From d07f0c93967d9a364952b35ee17a6c9e5060ad5f Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?J=C3=A9r=C3=B4me=20Duval?= Date: Mon, 25 Aug 2014 20:26:49 +0200 Subject: [PATCH] WebPTranslator: use the outsourced package. --- src/add-ons/translators/webp/Jamfile | 7 +- src/add-ons/translators/webp/libwebp/Jamfile | 4 - .../translators/webp/libwebp/dec/Jamfile | 15 - .../translators/webp/libwebp/dec/bits.c | 78 -- .../translators/webp/libwebp/dec/bits.h | 106 -- .../translators/webp/libwebp/dec/dsp.c | 694 ------------- .../translators/webp/libwebp/dec/frame.c | 414 -------- .../translators/webp/libwebp/dec/quant.c | 111 -- .../translators/webp/libwebp/dec/tree.c | 590 ----------- .../translators/webp/libwebp/dec/vp8.c | 655 ------------ .../translators/webp/libwebp/dec/vp8i.h | 317 ------ .../translators/webp/libwebp/dec/webp.c | 586 ----------- .../translators/webp/libwebp/dec/yuv.c | 46 - .../translators/webp/libwebp/dec/yuv.h | 66 -- .../translators/webp/libwebp/enc/Jamfile | 20 - .../translators/webp/libwebp/enc/analysis.c | 399 -------- .../translators/webp/libwebp/enc/bit_writer.c | 175 ---- .../translators/webp/libwebp/enc/bit_writer.h | 61 -- .../translators/webp/libwebp/enc/config.c | 107 -- .../translators/webp/libwebp/enc/cost.c | 491 --------- .../translators/webp/libwebp/enc/cost.h | 52 - .../translators/webp/libwebp/enc/dsp.c | 614 ----------- .../translators/webp/libwebp/enc/filter.c | 370 ------- .../translators/webp/libwebp/enc/frame.c | 695 ------------- .../translators/webp/libwebp/enc/iterator.c | 406 -------- .../translators/webp/libwebp/enc/picture.c | 316 ------ .../translators/webp/libwebp/enc/quant.c | 956 ------------------ .../translators/webp/libwebp/enc/syntax.c | 237 ----- .../translators/webp/libwebp/enc/tree.c | 507 ---------- .../translators/webp/libwebp/enc/vp8enci.h | 445 -------- .../translators/webp/libwebp/enc/webpenc.c | 307 ------ .../translators/webp/libwebp/webp/decode.h | 99 -- .../webp/libwebp/webp/decode_vp8.h | 139 --- .../translators/webp/libwebp/webp/encode.h | 216 ---- .../translators/webp/libwebp/webp/types.h | 29 - 35 files changed, 3 insertions(+), 10327 deletions(-) delete mode 100644 src/add-ons/translators/webp/libwebp/Jamfile delete mode 100644 src/add-ons/translators/webp/libwebp/dec/Jamfile delete mode 100644 src/add-ons/translators/webp/libwebp/dec/bits.c delete mode 100644 src/add-ons/translators/webp/libwebp/dec/bits.h delete mode 100644 src/add-ons/translators/webp/libwebp/dec/dsp.c delete mode 100644 src/add-ons/translators/webp/libwebp/dec/frame.c delete mode 100644 src/add-ons/translators/webp/libwebp/dec/quant.c delete mode 100644 src/add-ons/translators/webp/libwebp/dec/tree.c delete mode 100644 src/add-ons/translators/webp/libwebp/dec/vp8.c delete mode 100644 src/add-ons/translators/webp/libwebp/dec/vp8i.h delete mode 100644 src/add-ons/translators/webp/libwebp/dec/webp.c delete mode 100644 src/add-ons/translators/webp/libwebp/dec/yuv.c delete mode 100644 src/add-ons/translators/webp/libwebp/dec/yuv.h delete mode 100644 src/add-ons/translators/webp/libwebp/enc/Jamfile delete mode 100644 src/add-ons/translators/webp/libwebp/enc/analysis.c delete mode 100644 src/add-ons/translators/webp/libwebp/enc/bit_writer.c delete mode 100644 src/add-ons/translators/webp/libwebp/enc/bit_writer.h delete mode 100644 src/add-ons/translators/webp/libwebp/enc/config.c delete mode 100644 src/add-ons/translators/webp/libwebp/enc/cost.c delete mode 100644 src/add-ons/translators/webp/libwebp/enc/cost.h delete mode 100644 src/add-ons/translators/webp/libwebp/enc/dsp.c delete mode 100644 src/add-ons/translators/webp/libwebp/enc/filter.c delete mode 100644 src/add-ons/translators/webp/libwebp/enc/frame.c delete mode 100644 src/add-ons/translators/webp/libwebp/enc/iterator.c delete mode 100644 src/add-ons/translators/webp/libwebp/enc/picture.c delete mode 100644 src/add-ons/translators/webp/libwebp/enc/quant.c delete mode 100644 src/add-ons/translators/webp/libwebp/enc/syntax.c delete mode 100644 src/add-ons/translators/webp/libwebp/enc/tree.c delete mode 100644 src/add-ons/translators/webp/libwebp/enc/vp8enci.h delete mode 100644 src/add-ons/translators/webp/libwebp/enc/webpenc.c delete mode 100644 src/add-ons/translators/webp/libwebp/webp/decode.h delete mode 100644 src/add-ons/translators/webp/libwebp/webp/decode_vp8.h delete mode 100644 src/add-ons/translators/webp/libwebp/webp/encode.h delete mode 100644 src/add-ons/translators/webp/libwebp/webp/types.h diff --git a/src/add-ons/translators/webp/Jamfile b/src/add-ons/translators/webp/Jamfile index 51f226f8a0..42da9ad556 100644 --- a/src/add-ons/translators/webp/Jamfile +++ b/src/add-ons/translators/webp/Jamfile @@ -3,13 +3,14 @@ SubDir HAIKU_TOP src add-ons translators webp ; SetSubDirSupportedPlatformsBeOSCompatible ; SubDirHdrs [ FDirName $(SUBDIR) $(DOTDOT) shared ] ; -SubDirHdrs [ FDirName $(SUBDIR) libwebp ] ; AddResources WebPTranslator : WebPTranslator.rdef ; local architectureObject ; for architectureObject in [ MultiArchSubDirSetup ] { on $(architectureObject) { + UseBuildFeatureHeaders libwebp ; + Translator [ MultiArchDefaultGristFiles WebPTranslator ] : main.cpp @@ -18,9 +19,8 @@ for architectureObject in [ MultiArchSubDirSetup ] { ConfigView.cpp : - webpdecode.o - webpencode.o be translation [ MultiArchDefaultGristFiles libtranslatorsutils.a ] + [ BuildFeatureAttribute libwebp : library ] [ TargetLibsupc++ ] localestub : true ; @@ -35,4 +35,3 @@ DoCatalogs WebPTranslator : WebPTranslator.cpp ; -SubInclude HAIKU_TOP src add-ons translators webp libwebp ; diff --git a/src/add-ons/translators/webp/libwebp/Jamfile b/src/add-ons/translators/webp/libwebp/Jamfile deleted file mode 100644 index a22e8b4fc9..0000000000 --- a/src/add-ons/translators/webp/libwebp/Jamfile +++ /dev/null @@ -1,4 +0,0 @@ -SubDir HAIKU_TOP src add-ons translators webp libwebp ; - -SubInclude HAIKU_TOP src add-ons translators webp libwebp dec ; -SubInclude HAIKU_TOP src add-ons translators webp libwebp enc ; diff --git a/src/add-ons/translators/webp/libwebp/dec/Jamfile b/src/add-ons/translators/webp/libwebp/dec/Jamfile deleted file mode 100644 index c3781ae119..0000000000 --- a/src/add-ons/translators/webp/libwebp/dec/Jamfile +++ /dev/null @@ -1,15 +0,0 @@ -SubDir HAIKU_TOP src add-ons translators webp libwebp dec ; - -SubDirHdrs [ FDirName $(SUBDIR) $(DOTDOT) ] ; -SubDirHdrs [ FDirName $(SUBDIR) $(DOTDOT) webp ] ; - -MergeObject webpdecode.o : - bits.c - dsp.c - frame.c - quant.c - tree.c - vp8.c - webp.c - yuv.c -; diff --git a/src/add-ons/translators/webp/libwebp/dec/bits.c b/src/add-ons/translators/webp/libwebp/dec/bits.c deleted file mode 100644 index 94b8e99821..0000000000 --- a/src/add-ons/translators/webp/libwebp/dec/bits.c +++ /dev/null @@ -1,78 +0,0 @@ -// Copyright 2010 Google Inc. -// -// This code is licensed under the same terms as WebM: -// Software License Agreement: http://www.webmproject.org/license/software/ -// Additional IP Rights Grant: http://www.webmproject.org/license/additional/ -// ----------------------------------------------------------------------------- -// -// Boolean decoder -// -// Author: Skal (pascal.massimino@gmail.com) - -#include "bits.h" - -#if defined(__cplusplus) || defined(c_plusplus) -extern "C" { -#endif - -//----------------------------------------------------------------------------- -// VP8BitReader - -void VP8Init(VP8BitReader* const br, const uint8_t* buf, uint32_t size) { - assert(br); - assert(buf); - br->range_ = 255 - 1; - br->buf_ = buf; - br->buf_end_ = buf + size; - // Need two initial bytes. - br->value_ = (VP8GetByte(br) << 8) | VP8GetByte(br); - br->left_ = -8; - br->eof_ = 0; -} - -const uint8_t kVP8Log2Range[128] = { - 7, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, - 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 0 -}; - -// range = ((range + 1) << kVP8Log2Range[range]) - 1 -const uint8_t kVP8NewRange[128] = { - 127, 127, 191, 127, 159, 191, 223, 127, 143, 159, 175, 191, 207, 223, 239, - 127, 135, 143, 151, 159, 167, 175, 183, 191, 199, 207, 215, 223, 231, 239, - 247, 127, 131, 135, 139, 143, 147, 151, 155, 159, 163, 167, 171, 175, 179, - 183, 187, 191, 195, 199, 203, 207, 211, 215, 219, 223, 227, 231, 235, 239, - 243, 247, 251, 127, 129, 131, 133, 135, 137, 139, 141, 143, 145, 147, 149, - 151, 153, 155, 157, 159, 161, 163, 165, 167, 169, 171, 173, 175, 177, 179, - 181, 183, 185, 187, 189, 191, 193, 195, 197, 199, 201, 203, 205, 207, 209, - 211, 213, 215, 217, 219, 221, 223, 225, 227, 229, 231, 233, 235, 237, 239, - 241, 243, 245, 247, 249, 251, 253, 127 -}; - -//----------------------------------------------------------------------------- -// Higher-level calls - -uint32_t VP8GetValue(VP8BitReader* const br, int bits) { - uint32_t v = 0; - while (bits-- > 0) { - v |= VP8GetBit(br, 0x80) << bits; - } - return v; -} - -int32_t VP8GetSignedValue(VP8BitReader* const br, int bits) { - const int value = VP8GetValue(br, bits); - return VP8Get(br) ? -value : value; -} - -//----------------------------------------------------------------------------- - -#if defined(__cplusplus) || defined(c_plusplus) -} // extern "C" -#endif diff --git a/src/add-ons/translators/webp/libwebp/dec/bits.h b/src/add-ons/translators/webp/libwebp/dec/bits.h deleted file mode 100644 index 6bf9296aaa..0000000000 --- a/src/add-ons/translators/webp/libwebp/dec/bits.h +++ /dev/null @@ -1,106 +0,0 @@ -// Copyright 2010 Google Inc. -// -// This code is licensed under the same terms as WebM: -// Software License Agreement: http://www.webmproject.org/license/software/ -// Additional IP Rights Grant: http://www.webmproject.org/license/additional/ -// ----------------------------------------------------------------------------- -// -// Boolean decoder -// -// Author: Skal (pascal.massimino@gmail.com) - -#ifndef WEBP_DEC_BITS_H_ -#define WEBP_DEC_BITS_H_ - -#include -#include "webp/decode_vp8.h" - -#if defined(__cplusplus) || defined(c_plusplus) -extern "C" { -#endif - -//----------------------------------------------------------------------------- -// Bitreader and code-tree reader - -typedef struct { - const uint8_t* buf_; // next byte to be read - const uint8_t* buf_end_; // end of read buffer - int eof_; // true if input is exhausted - - // boolean decoder - uint32_t range_; // current range minus 1. In [127, 254] interval. - uint32_t value_; // current value - int left_; // how many unused bits (negated) -} VP8BitReader; - -// Initialize the bit reader and the boolean decoder. -void VP8Init(VP8BitReader* const br, const uint8_t* buf, uint32_t size); - -// return the next value made of 'num_bits' bits -uint32_t VP8GetValue(VP8BitReader* const br, int num_bits); -static inline uint32_t VP8Get(VP8BitReader* const br) { - return VP8GetValue(br, 1); -} - -// return the next value with sign-extension. -int32_t VP8GetSignedValue(VP8BitReader* const br, int num_bits); - -// Read a bit with proba 'prob'. Speed-critical function! -extern const uint8_t kVP8Log2Range[128]; -extern const uint8_t kVP8NewRange[128]; -static inline uint32_t VP8GetByte(VP8BitReader* const br) { - assert(br); - if (br->buf_ < br->buf_end_) { - assert(br->buf_); - return *br->buf_++; - } - br->eof_ = 1; - return 0x80; -} - -static inline void VP8Shift(VP8BitReader* const br) { - // range_ is in [0..127] interval here. - const int shift = kVP8Log2Range[br->range_]; - br->range_ = kVP8NewRange[br->range_]; - br->value_ <<= shift; - br->left_ += shift; - if (br->left_ > 0) { - br->value_ |= VP8GetByte(br) << br->left_; - br->left_ -= 8; - } -} - -static inline uint32_t VP8GetBit(VP8BitReader* const br, int prob) { - const uint32_t split = (br->range_ * prob) >> 8; - const uint32_t bit = ((br->value_ >> 8) > split); - if (bit) { - br->range_ -= split + 1; - br->value_ -= (split + 1) << 8; - } else { - br->range_ = split; - } - if (br->range_ < 0x7f) { - VP8Shift(br); - } - return bit; -} - -static inline int VP8GetSigned(VP8BitReader* const br, int v) { - const uint32_t split = br->range_ >> 1; - const uint32_t bit = ((br->value_ >> 8) > split); - if (bit) { - br->range_ -= split + 1; - br->value_ -= (split + 1) << 8; - v = -v; - } else { - br->range_ = split; - } - VP8Shift(br); - return v; -} - -#if defined(__cplusplus) || defined(c_plusplus) -} // extern "C" -#endif - -#endif // WEBP_DEC_BITS_H_ diff --git a/src/add-ons/translators/webp/libwebp/dec/dsp.c b/src/add-ons/translators/webp/libwebp/dec/dsp.c deleted file mode 100644 index a64a9be702..0000000000 --- a/src/add-ons/translators/webp/libwebp/dec/dsp.c +++ /dev/null @@ -1,694 +0,0 @@ -// Copyright 2010 Google Inc. -// -// This code is licensed under the same terms as WebM: -// Software License Agreement: http://www.webmproject.org/license/software/ -// Additional IP Rights Grant: http://www.webmproject.org/license/additional/ -// ----------------------------------------------------------------------------- -// -// speed-critical functions. -// -// Author: Skal (pascal.massimino@gmail.com) - -#include "vp8i.h" - -#if defined(__SSE2__) -#include -#endif - -#if defined(__cplusplus) || defined(c_plusplus) -extern "C" { -#endif - -//----------------------------------------------------------------------------- -// run-time tables (~4k) - -static uint8_t abs0[255 + 255 + 1]; // abs(i) -static uint8_t abs1[255 + 255 + 1]; // abs(i)>>1 -static int8_t sclip1[1020 + 1020 + 1]; // clips [-1020, 1020] to [-128, 127] -static int8_t sclip2[112 + 112 + 1]; // clips [-112, 112] to [-16, 15] -static uint8_t clip1[255 + 510 + 1]; // clips [-255,510] to [0,255] - -static int tables_ok = 0; - -void VP8DspInitTables() { - if (!tables_ok) { - int i; - for (i = -255; i <= 255; ++i) { - abs0[255 + i] = (i < 0) ? -i : i; - abs1[255 + i] = abs0[255 + i] >> 1; - } - for (i = -1020; i <= 1020; ++i) { - sclip1[1020 + i] = (i < -128) ? -128 : (i > 127) ? 127 : i; - } - for (i = -112; i <= 112; ++i) { - sclip2[112 + i] = (i < -16) ? -16 : (i > 15) ? 15 : i; - } - for (i = -255; i <= 255 + 255; ++i) { - clip1[255 + i] = (i < 0) ? 0 : (i > 255) ? 255 : i; - } - tables_ok = 1; - } -} - -static inline uint8_t clip_8b(int v) { - return (!(v & ~0xff)) ? v : (v < 0) ? 0 : 255; -} - -//----------------------------------------------------------------------------- -// Transforms (Paragraph 14.4) - -#define STORE(x, y, v) \ - dst[x + y * BPS] = clip_8b(dst[x + y * BPS] + ((v) >> 3)) - -static const int kC1 = 20091 + (1 << 16); -static const int kC2 = 35468; -#define MUL(a, b) (((a) * (b)) >> 16) - -static void Transform(const int16_t* in, uint8_t* dst) { - int C[4 * 4], *tmp; - int i; - tmp = C; - for (i = 0; i < 4; ++i) { // vertical pass - const int a = in[0] + in[8]; // [-4096, 4094] - const int b = in[0] - in[8]; // [-4095, 4095] - const int c = MUL(in[4], kC2) - MUL(in[12], kC1); // [-3783, 3783] - const int d = MUL(in[4], kC1) + MUL(in[12], kC2); // [-3785, 3781] - tmp[0] = a + d; // [-7881, 7875] - tmp[1] = b + c; // [-7878, 7878] - tmp[2] = b - c; // [-7878, 7878] - tmp[3] = a - d; // [-7877, 7879] - tmp += 4; - in++; - } - // Each pass is expanding the dynamic range by ~3.85 (upper bound). - // The exact value is (2. + (kC1 + kC2) / 65536). - // After the second pass, maximum interval is [-3794, 3794], assuming - // an input in [-2048, 2047] interval. We then need to add a dst value - // in the [0, 255] range. - // In the worst case scenario, the input to clip_8b() can be as large as - // [-60713, 60968]. - tmp = C; - for (i = 0; i < 4; ++i) { // horizontal pass - const int dc = tmp[0] + 4; - const int a = dc + tmp[8]; - const int b = dc - tmp[8]; - const int c = MUL(tmp[4], kC2) - MUL(tmp[12], kC1); - const int d = MUL(tmp[4], kC1) + MUL(tmp[12], kC2); - STORE(0, 0, a + d); - STORE(1, 0, b + c); - STORE(2, 0, b - c); - STORE(3, 0, a - d); - tmp++; - dst += BPS; - } -} -#undef MUL - -static void TransformUV(const int16_t* in, uint8_t* dst) { - Transform(in + 0 * 16, dst); - Transform(in + 1 * 16, dst + 4); - Transform(in + 2 * 16, dst + 4 * BPS); - Transform(in + 3 * 16, dst + 4 * BPS + 4); -} - -static void TransformDC(const int16_t *in, uint8_t* dst) { - const int DC = in[0] + 4; - int i, j; - for (j = 0; j < 4; ++j) { - for (i = 0; i < 4; ++i) { - STORE(i, j, DC); - } - } -} - -static void TransformDCUV(const int16_t* in, uint8_t* dst) { - if (in[0 * 16]) TransformDC(in + 0 * 16, dst); - if (in[1 * 16]) TransformDC(in + 1 * 16, dst + 4); - if (in[2 * 16]) TransformDC(in + 2 * 16, dst + 4 * BPS); - if (in[3 * 16]) TransformDC(in + 3 * 16, dst + 4 * BPS + 4); -} - -#undef STORE - -// default C implementations: -VP8Idct VP8Transform = Transform; -VP8Idct VP8TransformUV = TransformUV; -VP8Idct VP8TransformDC = TransformDC; -VP8Idct VP8TransformDCUV = TransformDCUV; - -//----------------------------------------------------------------------------- -// Paragraph 14.3 - -static void TransformWHT(const int16_t* in, int16_t* out) { - int tmp[16]; - int i; - for (i = 0; i < 4; ++i) { - const int a0 = in[0 + i] + in[12 + i]; - const int a1 = in[4 + i] + in[ 8 + i]; - const int a2 = in[4 + i] - in[ 8 + i]; - const int a3 = in[0 + i] - in[12 + i]; - tmp[0 + i] = a0 + a1; - tmp[8 + i] = a0 - a1; - tmp[4 + i] = a3 + a2; - tmp[12 + i] = a3 - a2; - } - for (i = 0; i < 4; ++i) { - const int dc = tmp[0 + i * 4] + 3; // w/ rounder - const int a0 = dc + tmp[3 + i * 4]; - const int a1 = tmp[1 + i * 4] + tmp[2 + i * 4]; - const int a2 = tmp[1 + i * 4] - tmp[2 + i * 4]; - const int a3 = dc - tmp[3 + i * 4]; - out[ 0] = (a0 + a1) >> 3; - out[16] = (a3 + a2) >> 3; - out[32] = (a0 - a1) >> 3; - out[48] = (a3 - a2) >> 3; - out += 64; - } -} - -void (*VP8TransformWHT)(const int16_t* in, int16_t* out) = TransformWHT; - -//----------------------------------------------------------------------------- -// Intra predictions - -#define OUT(x, y) dst[(x) + (y) * BPS] - -static inline void TrueMotion(uint8_t *dst, int size) { - const uint8_t* top = dst - BPS; - const uint8_t* const clip0 = clip1 + 255 - top[-1]; - int y; - for (y = 0; y < size; ++y) { - const uint8_t* const clip = clip0 + dst[-1]; - int x; - for (x = 0; x < size; ++x) { - dst[x] = clip[top[x]]; - } - dst += BPS; - } -} -static void TM4(uint8_t *dst) { TrueMotion(dst, 4); } -static void TM8uv(uint8_t *dst) { TrueMotion(dst, 8); } -static void TM16(uint8_t *dst) { TrueMotion(dst, 16); } - -//----------------------------------------------------------------------------- -// 16x16 - -static void VE16(uint8_t *dst) { // vertical - int j; - for (j = 0; j < 16; ++j) { - memcpy(dst + j * BPS, dst - BPS, 16); - } -} - -static void HE16(uint8_t *dst) { // horizontal - int j; - for (j = 16; j > 0; --j) { - memset(dst, dst[-1], 16); - dst += BPS; - } -} - -static inline void Put16(int v, uint8_t* dst) { - int j; - for (j = 0; j < 16; ++j) { - memset(dst + j * BPS, v, 16); - } -} - -static void DC16(uint8_t *dst) { // DC - int DC = 16; - int j; - for (j = 0; j < 16; ++j) { - DC += dst[-1 + j * BPS] + dst[j - BPS]; - } - Put16(DC >> 5, dst); -} - -static void DC16NoTop(uint8_t *dst) { // DC with top samples not available - int DC = 8; - int j; - for (j = 0; j < 16; ++j) { - DC += dst[-1 + j * BPS]; - } - Put16(DC >> 4, dst); -} - -static void DC16NoLeft(uint8_t *dst) { // DC with left samples not available - int DC = 8; - int i; - for (i = 0; i < 16; ++i) { - DC += dst[i - BPS]; - } - Put16(DC >> 4, dst); -} - -static void DC16NoTopLeft(uint8_t *dst) { // DC with no top and left samples - Put16(0x80, dst); -} - -//----------------------------------------------------------------------------- -// 4x4 - -#define AVG3(a, b, c) (((a) + 2 * (b) + (c) + 2) >> 2) -#define AVG2(a, b) (((a) + (b) + 1) >> 1) - -static void VE4(uint8_t *dst) { // vertical - const uint8_t* top = dst - BPS; - const uint8_t vals[4] = { - AVG3(top[-1], top[0], top[1]), - AVG3(top[ 0], top[1], top[2]), - AVG3(top[ 1], top[2], top[3]), - AVG3(top[ 2], top[3], top[4]) - }; - int i; - for (i = 0; i < 4; ++i) { - memcpy(dst + i * BPS, vals, sizeof(vals)); - } -} - -static void HE4(uint8_t *dst) { // horizontal - const int A = dst[-1 - BPS]; - const int B = dst[-1]; - const int C = dst[-1 + BPS]; - const int D = dst[-1 + 2 * BPS]; - const int E = dst[-1 + 3 * BPS]; - *(uint32_t*)(dst + 0 * BPS) = 0x01010101U * AVG3(A, B, C); - *(uint32_t*)(dst + 1 * BPS) = 0x01010101U * AVG3(B, C, D); - *(uint32_t*)(dst + 2 * BPS) = 0x01010101U * AVG3(C, D, E); - *(uint32_t*)(dst + 3 * BPS) = 0x01010101U * AVG3(D, E, E); -} - -static void DC4(uint8_t *dst) { // DC - uint32_t dc = 4; - int i; - for (i = 0; i < 4; ++i) dc += dst[i - BPS] + dst[-1 + i * BPS]; - dc >>= 3; - for (i = 0; i < 4; ++i) memset(dst + i * BPS, dc, 4); -} - -static void RD4(uint8_t *dst) { // Down-right - const int I = dst[-1 + 0 * BPS]; - const int J = dst[-1 + 1 * BPS]; - const int K = dst[-1 + 2 * BPS]; - const int L = dst[-1 + 3 * BPS]; - const int X = dst[-1 - BPS]; - const int A = dst[0 - BPS]; - const int B = dst[1 - BPS]; - const int C = dst[2 - BPS]; - const int D = dst[3 - BPS]; - OUT(0, 3) = AVG3(J, K, L); - OUT(0, 2) = OUT(1, 3) = AVG3(I, J, K); - OUT(0, 1) = OUT(1, 2) = OUT(2, 3) = AVG3(X, I, J); - OUT(0, 0) = OUT(1, 1) = OUT(2, 2) = OUT(3, 3) = AVG3(A, X, I); - OUT(1, 0) = OUT(2, 1) = OUT(3, 2) = AVG3(B, A, X); - OUT(2, 0) = OUT(3, 1) = AVG3(C, B, A); - OUT(3, 0) = AVG3(D, C, B); -} - -static void LD4(uint8_t *dst) { // Down-Left - const int A = dst[0 - BPS]; - const int B = dst[1 - BPS]; - const int C = dst[2 - BPS]; - const int D = dst[3 - BPS]; - const int E = dst[4 - BPS]; - const int F = dst[5 - BPS]; - const int G = dst[6 - BPS]; - const int H = dst[7 - BPS]; - OUT(0, 0) = AVG3(A, B, C); - OUT(1, 0) = OUT(0, 1) = AVG3(B, C, D); - OUT(2, 0) = OUT(1, 1) = OUT(0, 2) = AVG3(C, D, E); - OUT(3, 0) = OUT(2, 1) = OUT(1, 2) = OUT(0, 3) = AVG3(D, E, F); - OUT(3, 1) = OUT(2, 2) = OUT(1, 3) = AVG3(E, F, G); - OUT(3, 2) = OUT(2, 3) = AVG3(F, G, H); - OUT(3, 3) = AVG3(G, H, H); -} - -static void VR4(uint8_t *dst) { // Vertical-Right - const int I = dst[-1 + 0 * BPS]; - const int J = dst[-1 + 1 * BPS]; - const int K = dst[-1 + 2 * BPS]; - const int X = dst[-1 - BPS]; - const int A = dst[0 - BPS]; - const int B = dst[1 - BPS]; - const int C = dst[2 - BPS]; - const int D = dst[3 - BPS]; - OUT(0, 0) = OUT(1, 2) = AVG2(X, A); - OUT(1, 0) = OUT(2, 2) = AVG2(A, B); - OUT(2, 0) = OUT(3, 2) = AVG2(B, C); - OUT(3, 0) = AVG2(C, D); - - OUT(0, 3) = AVG3(K, J, I); - OUT(0, 2) = AVG3(J, I, X); - OUT(0, 1) = OUT(1, 3) = AVG3(I, X, A); - OUT(1, 1) = OUT(2, 3) = AVG3(X, A, B); - OUT(2, 1) = OUT(3, 3) = AVG3(A, B, C); - OUT(3, 1) = AVG3(B, C, D); -} - -static void VL4(uint8_t *dst) { // Vertical-Left - const int A = dst[0 - BPS]; - const int B = dst[1 - BPS]; - const int C = dst[2 - BPS]; - const int D = dst[3 - BPS]; - const int E = dst[4 - BPS]; - const int F = dst[5 - BPS]; - const int G = dst[6 - BPS]; - const int H = dst[7 - BPS]; - OUT(0, 0) = AVG2(A, B); - OUT(1, 0) = OUT(0, 2) = AVG2(B, C); - OUT(2, 0) = OUT(1, 2) = AVG2(C, D); - OUT(3, 0) = OUT(2, 2) = AVG2(D, E); - - OUT(0, 1) = AVG3(A, B, C); - OUT(1, 1) = OUT(0, 3) = AVG3(B, C, D); - OUT(2, 1) = OUT(1, 3) = AVG3(C, D, E); - OUT(3, 1) = OUT(2, 3) = AVG3(D, E, F); - OUT(3, 2) = AVG3(E, F, G); - OUT(3, 3) = AVG3(F, G, H); -} - -static void HU4(uint8_t *dst) { // Horizontal-Up - const int I = dst[-1 + 0 * BPS]; - const int J = dst[-1 + 1 * BPS]; - const int K = dst[-1 + 2 * BPS]; - const int L = dst[-1 + 3 * BPS]; - OUT(0, 0) = AVG2(I, J); - OUT(2, 0) = OUT(0, 1) = AVG2(J, K); - OUT(2, 1) = OUT(0, 2) = AVG2(K, L); - OUT(1, 0) = AVG3(I, J, K); - OUT(3, 0) = OUT(1, 1) = AVG3(J, K, L); - OUT(3, 1) = OUT(1, 2) = AVG3(K, L, L); - OUT(3, 2) = OUT(2, 2) = - OUT(0, 3) = OUT(1, 3) = OUT(2, 3) = OUT(3, 3) = L; -} - -static void HD4(uint8_t *dst) { // Horizontal-Down - const int I = dst[-1 + 0 * BPS]; - const int J = dst[-1 + 1 * BPS]; - const int K = dst[-1 + 2 * BPS]; - const int L = dst[-1 + 3 * BPS]; - const int X = dst[-1 - BPS]; - const int A = dst[0 - BPS]; - const int B = dst[1 - BPS]; - const int C = dst[2 - BPS]; - - OUT(0, 0) = OUT(2, 1) = AVG2(I, X); - OUT(0, 1) = OUT(2, 2) = AVG2(J, I); - OUT(0, 2) = OUT(2, 3) = AVG2(K, J); - OUT(0, 3) = AVG2(L, K); - - OUT(3, 0) = AVG3(A, B, C); - OUT(2, 0) = AVG3(X, A, B); - OUT(1, 0) = OUT(3, 1) = AVG3(I, X, A); - OUT(1, 1) = OUT(3, 2) = AVG3(J, I, X); - OUT(1, 2) = OUT(3, 3) = AVG3(K, J, I); - OUT(1, 3) = AVG3(L, K, J); -} - -#undef AVG3 -#undef AVG2 - -//----------------------------------------------------------------------------- -// Chroma - -static void VE8uv(uint8_t *dst) { // vertical - int j; - for (j = 0; j < 8; ++j) { - memcpy(dst + j * BPS, dst - BPS, 8); - } -} - -static void HE8uv(uint8_t *dst) { // horizontal - int j; - for (j = 0; j < 8; ++j) { - memset(dst, dst[-1], 8); - dst += BPS; - } -} - -// helper for chroma-DC predictions -static inline void Put8x8uv(uint64_t v, uint8_t* dst) { - int j; - for (j = 0; j < 8; ++j) { - *(uint64_t*)(dst + j * BPS) = v; - } -} - -static void DC8uv(uint8_t *dst) { // DC - int dc0 = 8; - int i; - for (i = 0; i < 8; ++i) { - dc0 += dst[i - BPS] + dst[-1 + i * BPS]; - } - Put8x8uv((uint64_t)((dc0 >> 4) * 0x0101010101010101ULL), dst); -} - -static void DC8uvNoLeft(uint8_t *dst) { // DC with no left samples - int dc0 = 4; - int i; - for (i = 0; i < 8; ++i) { - dc0 += dst[i - BPS]; - } - Put8x8uv((uint64_t)((dc0 >> 3) * 0x0101010101010101ULL), dst); -} - -static void DC8uvNoTop(uint8_t *dst) { // DC with no top samples - int dc0 = 4; - int i; - for (i = 0; i < 8; ++i) { - dc0 += dst[-1 + i * BPS]; - } - Put8x8uv((uint64_t)((dc0 >> 3) * 0x0101010101010101ULL), dst); -} - -static void DC8uvNoTopLeft(uint8_t *dst) { // DC with nothing - Put8x8uv(0x8080808080808080ULL, dst); -} - -//----------------------------------------------------------------------------- -// default C implementations - -VP8PredFunc VP8PredLuma4[11] = { - DC4, TM4, VE4, HE4, RD4, VR4, LD4, VL4, HD4, HU4 -}; - -VP8PredFunc VP8PredLuma16[7] = { - DC16, TM16, VE16, HE16, - DC16NoTop, DC16NoLeft, DC16NoTopLeft -}; - -VP8PredFunc VP8PredChroma8[7] = { - DC8uv, TM8uv, VE8uv, HE8uv, - DC8uvNoTop, DC8uvNoLeft, DC8uvNoTopLeft -}; - -//----------------------------------------------------------------------------- -// Edge filtering functions - -// 4 pixels in, 2 pixels out -static inline void do_filter2(uint8_t* p, int step) { - const int p1 = p[-2*step], p0 = p[-step], q0 = p[0], q1 = p[step]; - const int a = 3 * (q0 - p0) + sclip1[1020 + p1 - q1]; - const int a1 = sclip2[112 + ((a + 4) >> 3)]; - const int a2 = sclip2[112 + ((a + 3) >> 3)]; - p[-step] = clip1[255 + p0 + a2]; - p[ 0] = clip1[255 + q0 - a1]; -} - -// 4 pixels in, 4 pixels out -static inline void do_filter4(uint8_t* p, int step) { - const int p1 = p[-2*step], p0 = p[-step], q0 = p[0], q1 = p[step]; - const int a = 3 * (q0 - p0); - const int a1 = sclip2[112 + ((a + 4) >> 3)]; - const int a2 = sclip2[112 + ((a + 3) >> 3)]; - const int a3 = (a1 + 1) >> 1; - p[-2*step] = clip1[255 + p1 + a3]; - p[- step] = clip1[255 + p0 + a2]; - p[ 0] = clip1[255 + q0 - a1]; - p[ step] = clip1[255 + q1 - a3]; -} - -// 6 pixels in, 6 pixels out -static inline void do_filter6(uint8_t* p, int step) { - const int p2 = p[-3*step], p1 = p[-2*step], p0 = p[-step]; - const int q0 = p[0], q1 = p[step], q2 = p[2*step]; - const int a = sclip1[1020 + 3 * (q0 - p0) + sclip1[1020 + p1 - q1]]; - const int a1 = (27 * a + 63) >> 7; // eq. to ((3 * a + 7) * 9) >> 7 - const int a2 = (18 * a + 63) >> 7; // eq. to ((2 * a + 7) * 9) >> 7 - const int a3 = (9 * a + 63) >> 7; // eq. to ((1 * a + 7) * 9) >> 7 - p[-3*step] = clip1[255 + p2 + a3]; - p[-2*step] = clip1[255 + p1 + a2]; - p[- step] = clip1[255 + p0 + a1]; - p[ 0] = clip1[255 + q0 - a1]; - p[ step] = clip1[255 + q1 - a2]; - p[ 2*step] = clip1[255 + q2 - a3]; -} - -static inline int hev(const uint8_t* p, int step, int thresh) { - const int p1 = p[-2*step], p0 = p[-step], q0 = p[0], q1 = p[step]; - return (abs0[255 + p1 - p0] > thresh) || (abs0[255 + q1 - q0] > thresh); -} - -static inline int needs_filter(const uint8_t* p, int step, int thresh) { - const int p1 = p[-2*step], p0 = p[-step], q0 = p[0], q1 = p[step]; - return (2 * abs0[255 + p0 - q0] + abs1[255 + p1 - q1]) <= thresh; -} - -static inline int needs_filter2(const uint8_t* p, int step, int t, int it) { - const int p3 = p[-4*step], p2 = p[-3*step], p1 = p[-2*step], p0 = p[-step]; - const int q0 = p[0], q1 = p[step], q2 = p[2*step], q3 = p[3*step]; - if ((2 * abs0[255 + p0 - q0] + abs1[255 + p1 - q1]) > t) - return 0; - return abs0[255 + p3 - p2] <= it && abs0[255 + p2 - p1] <= it && - abs0[255 + p1 - p0] <= it && abs0[255 + q3 - q2] <= it && - abs0[255 + q2 - q1] <= it && abs0[255 + q1 - q0] <= it; -} - -//----------------------------------------------------------------------------- -// Simple In-loop filtering (Paragraph 15.2) - -static void SimpleVFilter16(uint8_t* p, int stride, int thresh) { - int i; - for (i = 0; i < 16; ++i) { - if (needs_filter(p + i, stride, thresh)) { - do_filter2(p + i, stride); - } - } -} - -static void SimpleHFilter16(uint8_t* p, int stride, int thresh) { - int i; - for (i = 0; i < 16; ++i) { - if (needs_filter(p + i * stride, 1, thresh)) { - do_filter2(p + i * stride, 1); - } - } -} - -static void SimpleVFilter16i(uint8_t* p, int stride, int thresh) { - int k; - for (k = 3; k > 0; --k) { - p += 4 * stride; - SimpleVFilter16(p, stride, thresh); - } -} - -static void SimpleHFilter16i(uint8_t* p, int stride, int thresh) { - int k; - for (k = 3; k > 0; --k) { - p += 4; - SimpleHFilter16(p, stride, thresh); - } -} - -//----------------------------------------------------------------------------- -// Complex In-loop filtering (Paragraph 15.3) - -static inline void FilterLoop26(uint8_t* p, int hstride, int vstride, int size, - int thresh, int ithresh, int hev_thresh) { - while (size-- > 0) { - if (needs_filter2(p, hstride, thresh, ithresh)) { - if (hev(p, hstride, hev_thresh)) { - do_filter2(p, hstride); - } else { - do_filter6(p, hstride); - } - } - p += vstride; - } -} - -static inline void FilterLoop24(uint8_t* p, int hstride, int vstride, int size, - int thresh, int ithresh, int hev_thresh) { - while (size-- > 0) { - if (needs_filter2(p, hstride, thresh, ithresh)) { - if (hev(p, hstride, hev_thresh)) { - do_filter2(p, hstride); - } else { - do_filter4(p, hstride); - } - } - p += vstride; - } -} - -// on macroblock edges -static void VFilter16(uint8_t* p, int stride, - int thresh, int ithresh, int hev_thresh) { - FilterLoop26(p, stride, 1, 16, thresh, ithresh, hev_thresh); -} - -static void HFilter16(uint8_t* p, int stride, - int thresh, int ithresh, int hev_thresh) { - FilterLoop26(p, 1, stride, 16, thresh, ithresh, hev_thresh); -} - -// on three inner edges -static void VFilter16i(uint8_t* p, int stride, - int thresh, int ithresh, int hev_thresh) { - int k; - for (k = 3; k > 0; --k) { - p += 4 * stride; - FilterLoop24(p, stride, 1, 16, thresh, ithresh, hev_thresh); - } -} - -static void HFilter16i(uint8_t* p, int stride, - int thresh, int ithresh, int hev_thresh) { - int k; - for (k = 3; k > 0; --k) { - p += 4; - FilterLoop24(p, 1, stride, 16, thresh, ithresh, hev_thresh); - } -} - -// 8-pixels wide variant, for chroma filtering -static void VFilter8(uint8_t* u, uint8_t* v, int stride, - int thresh, int ithresh, int hev_thresh) { - FilterLoop26(u, stride, 1, 8, thresh, ithresh, hev_thresh); - FilterLoop26(v, stride, 1, 8, thresh, ithresh, hev_thresh); -} - -static void HFilter8(uint8_t* u, uint8_t* v, int stride, - int thresh, int ithresh, int hev_thresh) { - FilterLoop26(u, 1, stride, 8, thresh, ithresh, hev_thresh); - FilterLoop26(v, 1, stride, 8, thresh, ithresh, hev_thresh); -} - -static void VFilter8i(uint8_t* u, uint8_t* v, int stride, - int thresh, int ithresh, int hev_thresh) { - FilterLoop24(u + 4 * stride, stride, 1, 8, thresh, ithresh, hev_thresh); - FilterLoop24(v + 4 * stride, stride, 1, 8, thresh, ithresh, hev_thresh); -} - -static void HFilter8i(uint8_t* u, uint8_t* v, int stride, - int thresh, int ithresh, int hev_thresh) { - FilterLoop24(u + 4, 1, stride, 8, thresh, ithresh, hev_thresh); - FilterLoop24(v + 4, 1, stride, 8, thresh, ithresh, hev_thresh); -} - -//----------------------------------------------------------------------------- - -void (*VP8VFilter16)(uint8_t*, int, int, int, int) = VFilter16; -void (*VP8HFilter16)(uint8_t*, int, int, int, int) = HFilter16; -void (*VP8VFilter8)(uint8_t*, uint8_t*, int, int, int, int) = VFilter8; -void (*VP8HFilter8)(uint8_t*, uint8_t*, int, int, int, int) = HFilter8; -void (*VP8VFilter16i)(uint8_t*, int, int, int, int) = VFilter16i; -void (*VP8HFilter16i)(uint8_t*, int, int, int, int) = HFilter16i; -void (*VP8VFilter8i)(uint8_t*, uint8_t*, int, int, int, int) = VFilter8i; -void (*VP8HFilter8i)(uint8_t*, uint8_t*, int, int, int, int) = HFilter8i; - -void (*VP8SimpleVFilter16)(uint8_t*, int, int) = SimpleVFilter16; -void (*VP8SimpleHFilter16)(uint8_t*, int, int) = SimpleHFilter16; -void (*VP8SimpleVFilter16i)(uint8_t*, int, int) = SimpleVFilter16i; -void (*VP8SimpleHFilter16i)(uint8_t*, int, int) = SimpleHFilter16i; - -//----------------------------------------------------------------------------- - -void VP8DspInit() { - // later we'll plug some SSE2 variant here -} - -#if defined(__cplusplus) || defined(c_plusplus) -} // extern "C" -#endif diff --git a/src/add-ons/translators/webp/libwebp/dec/frame.c b/src/add-ons/translators/webp/libwebp/dec/frame.c deleted file mode 100644 index beae6fc6ba..0000000000 --- a/src/add-ons/translators/webp/libwebp/dec/frame.c +++ /dev/null @@ -1,414 +0,0 @@ -// Copyright 2010 Google Inc. -// -// This code is licensed under the same terms as WebM: -// Software License Agreement: http://www.webmproject.org/license/software/ -// Additional IP Rights Grant: http://www.webmproject.org/license/additional/ -// ----------------------------------------------------------------------------- -// -// Frame-reconstruction function. Memory allocation. -// -// Author: Skal (pascal.massimino@gmail.com) - -#include -#include "vp8i.h" - -#if defined(__cplusplus) || defined(c_plusplus) -extern "C" { -#endif - -#define ALIGN_MASK (32 - 1) - -//----------------------------------------------------------------------------- -// Memory setup - -// how many extra luma lines are needed for caching, given a filtering level -static const uint8_t kFilterExtraRows[3] = { 0, 4, 8 }; - -int VP8InitFrame(VP8Decoder* const dec, VP8Io* io) { - const int mb_w = dec->mb_w_; - const int intra_pred_mode_size = 4 * mb_w * sizeof(uint8_t); - const int top_size = (16 + 8 + 8) * mb_w; - const int info_size = (mb_w + 1) * sizeof(VP8MB); - const int yuv_size = YUV_SIZE * sizeof(*dec->yuv_b_); - const int coeffs_size = 384 * sizeof(*dec->coeffs_); - const int cache_height = (16 + kFilterExtraRows[dec->filter_type_]) * 3 / 2; - const int cache_size = top_size * cache_height; - const int needed = intra_pred_mode_size - + top_size + info_size - + yuv_size + coeffs_size - + cache_size + ALIGN_MASK; - uint8_t* mem; - - if (needed > dec->mem_size_) { - free(dec->mem_); - dec->mem_size_ = 0; - dec->mem_ = (uint8_t*)malloc(needed); - if (dec->mem_ == NULL) { - return VP8SetError(dec, VP8_STATUS_OUT_OF_MEMORY, - "no memory during frame initialization."); - } - dec->mem_size_ = needed; - } - - mem = (uint8_t*)dec->mem_; - dec->intra_t_ = (uint8_t*)mem; - mem += intra_pred_mode_size; - - dec->y_t_ = (uint8_t*)mem; - mem += 16 * mb_w; - dec->u_t_ = (uint8_t*)mem; - mem += 8 * mb_w; - dec->v_t_ = (uint8_t*)mem; - mem += 8 * mb_w; - - dec->mb_info_ = ((VP8MB*)mem) + 1; - mem += info_size; - - mem = (uint8_t*)((uintptr_t)(mem + ALIGN_MASK) & ~ALIGN_MASK); - assert((yuv_size & ALIGN_MASK) == 0); - dec->yuv_b_ = (uint8_t*)mem; - mem += yuv_size; - - dec->coeffs_ = (int16_t*)mem; - mem += coeffs_size; - - dec->cache_y_stride_ = 16 * mb_w; - dec->cache_uv_stride_ = 8 * mb_w; - { - const int extra_rows = kFilterExtraRows[dec->filter_type_]; - const int extra_y = extra_rows * dec->cache_y_stride_; - const int extra_uv = (extra_rows / 2) * dec->cache_uv_stride_; - dec->cache_y_ = ((uint8_t*)mem) + extra_y; - dec->cache_u_ = dec->cache_y_ + 16 * dec->cache_y_stride_ + extra_uv; - dec->cache_v_ = dec->cache_u_ + 8 * dec->cache_uv_stride_ + extra_uv; - } - mem += cache_size; - - // note: left-info is initialized once for all. - memset(dec->mb_info_ - 1, 0, (mb_w + 1) * sizeof(*dec->mb_info_)); - - // initialize top - memset(dec->intra_t_, B_DC_PRED, intra_pred_mode_size); - - // prepare 'io' - io->width = dec->pic_hdr_.width_; - io->height = dec->pic_hdr_.height_; - io->mb_y = 0; - io->y = dec->cache_y_; - io->u = dec->cache_u_; - io->v = dec->cache_v_; - io->y_stride = dec->cache_y_stride_; - io->uv_stride = dec->cache_uv_stride_; - io->fancy_upscaling = 0; // default - - // Init critical function pointers and look-up tables. - VP8DspInitTables(); - VP8DspInit(); - - return 1; -} - -//----------------------------------------------------------------------------- -// Filtering - -static inline int hev_thresh_from_level(int level, int keyframe) { - if (keyframe) { - return (level >= 40) ? 2 : (level >= 15) ? 1 : 0; - } else { - return (level >= 40) ? 3 : (level >= 20) ? 2 : (level >= 15) ? 1 : 0; - } -} - -static void DoFilter(VP8Decoder* const dec, int mb_x, int mb_y) { - VP8MB* const mb = dec->mb_info_ + mb_x; - uint8_t* const y_dst = dec->cache_y_ + mb_x * 16; - const int y_bps = dec->cache_y_stride_; - const int level = mb->f_level_; - const int ilevel = mb->f_ilevel_; - const int limit = 2 * level + ilevel; - if (dec->filter_type_ == 1) { // simple - if (mb_x > 0) { - VP8SimpleHFilter16(y_dst, y_bps, limit + 4); - } - if (mb->f_inner_) { - VP8SimpleHFilter16i(y_dst, y_bps, limit); - } - if (mb_y > 0) { - VP8SimpleVFilter16(y_dst, y_bps, limit + 4); - } - if (mb->f_inner_) { - VP8SimpleVFilter16i(y_dst, y_bps, limit); - } - } else { // complex - uint8_t* const u_dst = dec->cache_u_ + mb_x * 8; - uint8_t* const v_dst = dec->cache_v_ + mb_x * 8; - const int uv_bps = dec->cache_uv_stride_; - const int hev_thresh = - hev_thresh_from_level(level, dec->frm_hdr_.key_frame_); - if (mb_x > 0) { - VP8HFilter16(y_dst, y_bps, limit + 4, ilevel, hev_thresh); - VP8HFilter8(u_dst, v_dst, uv_bps, limit + 4, ilevel, hev_thresh); - } - if (mb->f_inner_) { - VP8HFilter16i(y_dst, y_bps, limit, ilevel, hev_thresh); - VP8HFilter8i(u_dst, v_dst, uv_bps, limit, ilevel, hev_thresh); - } - if (mb_y > 0) { - VP8VFilter16(y_dst, y_bps, limit + 4, ilevel, hev_thresh); - VP8VFilter8(u_dst, v_dst, uv_bps, limit + 4, ilevel, hev_thresh); - } - if (mb->f_inner_) { - VP8VFilter16i(y_dst, y_bps, limit, ilevel, hev_thresh); - VP8VFilter8i(u_dst, v_dst, uv_bps, limit, ilevel, hev_thresh); - } - } -} - -void VP8StoreBlock(VP8Decoder* const dec) { - if (dec->filter_type_ > 0) { - VP8MB* const info = dec->mb_info_ + dec->mb_x_; - int level = dec->filter_levels_[dec->segment_]; - if (dec->filter_hdr_.use_lf_delta_) { - // TODO(skal): only CURRENT is handled for now. - level += dec->filter_hdr_.ref_lf_delta_[0]; - if (dec->is_i4x4_) { - level += dec->filter_hdr_.mode_lf_delta_[0]; - } - } - level = (level < 0) ? 0 : (level > 63) ? 63 : level; - info->f_level_ = level; - - if (dec->filter_hdr_.sharpness_ > 0) { - if (dec->filter_hdr_.sharpness_ > 4) { - level >>= 2; - } else { - level >>= 1; - } - if (level > 9 - dec->filter_hdr_.sharpness_) { - level = 9 - dec->filter_hdr_.sharpness_; - } - } - - info->f_ilevel_ = (level < 1) ? 1 : level; - info->f_inner_ = (!info->skip_ || dec->is_i4x4_); - } - { - // Transfer samples to row cache - int y; - uint8_t* const ydst = dec->cache_y_ + dec->mb_x_ * 16; - uint8_t* const udst = dec->cache_u_ + dec->mb_x_ * 8; - uint8_t* const vdst = dec->cache_v_ + dec->mb_x_ * 8; - for (y = 0; y < 16; ++y) { - memcpy(ydst + y * dec->cache_y_stride_, - dec->yuv_b_ + Y_OFF + y * BPS, 16); - } - for (y = 0; y < 8; ++y) { - memcpy(udst + y * dec->cache_uv_stride_, - dec->yuv_b_ + U_OFF + y * BPS, 8); - memcpy(vdst + y * dec->cache_uv_stride_, - dec->yuv_b_ + V_OFF + y * BPS, 8); - } - } -} - -int VP8FinishRow(VP8Decoder* const dec, VP8Io* io) { - const int extra_y_rows = kFilterExtraRows[dec->filter_type_]; - const int ysize = extra_y_rows * dec->cache_y_stride_; - const int uvsize = (extra_y_rows / 2) * dec->cache_uv_stride_; - const int first_row = (dec->mb_y_ == 0); - const int last_row = (dec->mb_y_ >= dec->mb_h_ - 1); - uint8_t* const ydst = dec->cache_y_ - ysize; - uint8_t* const udst = dec->cache_u_ - uvsize; - uint8_t* const vdst = dec->cache_v_ - uvsize; - if (dec->filter_type_ > 0) { - int mb_x; - for (mb_x = 0; mb_x < dec->mb_w_; ++mb_x) { - DoFilter(dec, mb_x, dec->mb_y_); - } - } - if (io->put) { - int y_start = dec->mb_y_ * 16; - int y_end = y_start + 16; - if (!first_row) { - y_start -= extra_y_rows; - io->y = ydst; - io->u = udst; - io->v = vdst; - } else { - io->y = dec->cache_y_; - io->u = dec->cache_u_; - io->v = dec->cache_v_; - } - if (!last_row) { - y_end -= extra_y_rows; - } - if (y_end > io->height) { - y_end = io->height; - } - io->mb_y = y_start; - io->mb_h = y_end - y_start; - if (!io->put(io)) { - return 0; - } - } - // rotate top samples - if (!last_row) { - memcpy(ydst, ydst + 16 * dec->cache_y_stride_, ysize); - memcpy(udst, udst + 8 * dec->cache_uv_stride_, uvsize); - memcpy(vdst, vdst + 8 * dec->cache_uv_stride_, uvsize); - } - return 1; -} - -//----------------------------------------------------------------------------- -// Main reconstruction function. - -static const int kScan[16] = { - 0 + 0 * BPS, 4 + 0 * BPS, 8 + 0 * BPS, 12 + 0 * BPS, - 0 + 4 * BPS, 4 + 4 * BPS, 8 + 4 * BPS, 12 + 4 * BPS, - 0 + 8 * BPS, 4 + 8 * BPS, 8 + 8 * BPS, 12 + 8 * BPS, - 0 + 12 * BPS, 4 + 12 * BPS, 8 + 12 * BPS, 12 + 12 * BPS -}; - -static inline int CheckMode(VP8Decoder* const dec, int mode) { - if (mode == B_DC_PRED) { - if (dec->mb_x_ == 0) { - return (dec->mb_y_ == 0) ? B_DC_PRED_NOTOPLEFT : B_DC_PRED_NOLEFT; - } else { - return (dec->mb_y_ == 0) ? B_DC_PRED_NOTOP : B_DC_PRED; - } - } - return mode; -} - -static inline void Copy32b(uint8_t* dst, uint8_t* src) { - *(uint32_t*)dst = *(uint32_t*)src; -} - -void VP8ReconstructBlock(VP8Decoder* const dec) { - uint8_t* const y_dst = dec->yuv_b_ + Y_OFF; - uint8_t* const u_dst = dec->yuv_b_ + U_OFF; - uint8_t* const v_dst = dec->yuv_b_ + V_OFF; - - // Rotate in the left samples from previously decoded block. We move four - // pixels at a time for alignment reason, and because of in-loop filter. - if (dec->mb_x_ > 0) { - int j; - for (j = -1; j < 16; ++j) { - Copy32b(&y_dst[j * BPS - 4], &y_dst[j * BPS + 12]); - } - for (j = -1; j < 8; ++j) { - Copy32b(&u_dst[j * BPS - 4], &u_dst[j * BPS + 4]); - Copy32b(&v_dst[j * BPS - 4], &v_dst[j * BPS + 4]); - } - } else { - int j; - for (j = 0; j < 16; ++j) { - y_dst[j * BPS - 1] = 129; - } - for (j = 0; j < 8; ++j) { - u_dst[j * BPS - 1] = 129; - v_dst[j * BPS - 1] = 129; - } - // Init top-left sample on left column too - if (dec->mb_y_ > 0) { - y_dst[-1 - BPS] = u_dst[-1 - BPS] = v_dst[-1 - BPS] = 129; - } - } - { - // bring top samples into the cache - uint8_t* const top_y = dec->y_t_ + dec->mb_x_ * 16; - uint8_t* const top_u = dec->u_t_ + dec->mb_x_ * 8; - uint8_t* const top_v = dec->v_t_ + dec->mb_x_ * 8; - const int16_t* coeffs = dec->coeffs_; - int n; - - if (dec->mb_y_ > 0) { - memcpy(y_dst - BPS, top_y, 16); - memcpy(u_dst - BPS, top_u, 8); - memcpy(v_dst - BPS, top_v, 8); - } else if (dec->mb_x_ == 0) { - // we only need to do this init once at block (0,0). - // Afterward, it remains valid for the whole topmost row. - memset(y_dst - BPS - 1, 127, 16 + 4 + 1); - memset(u_dst - BPS - 1, 127, 8 + 1); - memset(v_dst - BPS - 1, 127, 8 + 1); - } - - // predict and add residuals - - if (dec->is_i4x4_) { // 4x4 - uint32_t* const top_right = (uint32_t*)(y_dst - BPS + 16); - - if (dec->mb_y_ > 0) { - if (dec->mb_x_ >= dec->mb_w_ - 1) { // on rightmost border - top_right[0] = top_y[15] * 0x01010101u; - } else { - memcpy(top_right, top_y + 16, sizeof(*top_right)); - } - } - // replicate the top-right pixels below - top_right[BPS] = top_right[2 * BPS] = top_right[3 * BPS] = top_right[0]; - - // predict and add residues for all 4x4 blocks in turn. - for (n = 0; n < 16; n++) { - uint8_t* const dst = y_dst + kScan[n]; - VP8PredLuma4[dec->imodes_[n]](dst); - if (dec->non_zero_ & (1 << n)) { - VP8Transform(coeffs + n * 16, dst); - } else if (dec->non_zero_ & (1 << n)) { // only DC is present - VP8TransformDC(coeffs + n * 16, dst); - } - } - } else { // 16x16 - const int pred_func = CheckMode(dec, dec->imodes_[0]); - VP8PredLuma16[pred_func](y_dst); - if (dec->non_zero_) { - for (n = 0; n < 16; n++) { - uint8_t* const dst = y_dst + kScan[n]; - if (dec->non_zero_ac_ & (1 << n)) { - VP8Transform(coeffs + n * 16, dst); - } else if (dec->non_zero_ & (1 << n)) { // only DC is present - VP8TransformDC(coeffs + n * 16, dst); - } - } - } - } - { - // Chroma - const int pred_func = CheckMode(dec, dec->uvmode_); - VP8PredChroma8[pred_func](u_dst); - VP8PredChroma8[pred_func](v_dst); - - if (dec->non_zero_ & 0x0f0000) { // chroma-U - const int16_t* const u_coeffs = dec->coeffs_ + 16 * 16; - if (dec->non_zero_ac_ & 0x0f0000) { - VP8TransformUV(u_coeffs, u_dst); - } else { - VP8TransformDCUV(u_coeffs, u_dst); - } - } - if (dec->non_zero_ & 0xf00000) { // chroma-V - const int16_t* const v_coeffs = dec->coeffs_ + 20 * 16; - if (dec->non_zero_ac_ & 0xf00000) { - VP8TransformUV(v_coeffs, v_dst); - } else { - VP8TransformDCUV(v_coeffs, v_dst); - } - } - - // stash away top samples for next block - if (dec->mb_y_ < dec->mb_h_ - 1) { - memcpy(top_y, y_dst + 15 * BPS, 16); - memcpy(top_u, u_dst + 7 * BPS, 8); - memcpy(top_v, v_dst + 7 * BPS, 8); - } - } - } -} - -//----------------------------------------------------------------------------- - -#if defined(__cplusplus) || defined(c_plusplus) -} // extern "C" -#endif diff --git a/src/add-ons/translators/webp/libwebp/dec/quant.c b/src/add-ons/translators/webp/libwebp/dec/quant.c deleted file mode 100644 index 47edbf5d28..0000000000 --- a/src/add-ons/translators/webp/libwebp/dec/quant.c +++ /dev/null @@ -1,111 +0,0 @@ -// Copyright 2010 Google Inc. -// -// This code is licensed under the same terms as WebM: -// Software License Agreement: http://www.webmproject.org/license/software/ -// Additional IP Rights Grant: http://www.webmproject.org/license/additional/ -// ----------------------------------------------------------------------------- -// -// Quantizer initialization -// -// Author: Skal (pascal.massimino@gmail.com) - -#include "vp8i.h" - -#if defined(__cplusplus) || defined(c_plusplus) -extern "C" { -#endif - -static inline int clip(int v, int M) { - return v < 0 ? 0 : v > M ? M : v; -} - -// Paragraph 14.1 -static const uint8_t kDcTable[128] = { - 4, 5, 6, 7, 8, 9, 10, 10, - 11, 12, 13, 14, 15, 16, 17, 17, - 18, 19, 20, 20, 21, 21, 22, 22, - 23, 23, 24, 25, 25, 26, 27, 28, - 29, 30, 31, 32, 33, 34, 35, 36, - 37, 37, 38, 39, 40, 41, 42, 43, - 44, 45, 46, 46, 47, 48, 49, 50, - 51, 52, 53, 54, 55, 56, 57, 58, - 59, 60, 61, 62, 63, 64, 65, 66, - 67, 68, 69, 70, 71, 72, 73, 74, - 75, 76, 76, 77, 78, 79, 80, 81, - 82, 83, 84, 85, 86, 87, 88, 89, - 91, 93, 95, 96, 98, 100, 101, 102, - 104, 106, 108, 110, 112, 114, 116, 118, - 122, 124, 126, 128, 130, 132, 134, 136, - 138, 140, 143, 145, 148, 151, 154, 157 -}; - -static const uint16_t kAcTable[128] = { - 4, 5, 6, 7, 8, 9, 10, 11, - 12, 13, 14, 15, 16, 17, 18, 19, - 20, 21, 22, 23, 24, 25, 26, 27, - 28, 29, 30, 31, 32, 33, 34, 35, - 36, 37, 38, 39, 40, 41, 42, 43, - 44, 45, 46, 47, 48, 49, 50, 51, - 52, 53, 54, 55, 56, 57, 58, 60, - 62, 64, 66, 68, 70, 72, 74, 76, - 78, 80, 82, 84, 86, 88, 90, 92, - 94, 96, 98, 100, 102, 104, 106, 108, - 110, 112, 114, 116, 119, 122, 125, 128, - 131, 134, 137, 140, 143, 146, 149, 152, - 155, 158, 161, 164, 167, 170, 173, 177, - 181, 185, 189, 193, 197, 201, 205, 209, - 213, 217, 221, 225, 229, 234, 239, 245, - 249, 254, 259, 264, 269, 274, 279, 284 -}; - -//----------------------------------------------------------------------------- -// Paragraph 9.6 - -void VP8ParseQuant(VP8Decoder* const dec) { - VP8BitReader* const br = &dec->br_; - const int base_q0 = VP8GetValue(br, 7); - const int dqy1_dc = VP8Get(br) ? VP8GetSignedValue(br, 4) : 0; - const int dqy2_dc = VP8Get(br) ? VP8GetSignedValue(br, 4) : 0; - const int dqy2_ac = VP8Get(br) ? VP8GetSignedValue(br, 4) : 0; - const int dquv_dc = VP8Get(br) ? VP8GetSignedValue(br, 4) : 0; - const int dquv_ac = VP8Get(br) ? VP8GetSignedValue(br, 4) : 0; - - const VP8SegmentHeader* const hdr = &dec->segment_hdr_; - int i; - - for (i = 0; i < NUM_MB_SEGMENTS; ++i) { - int q; - if (hdr->use_segment_) { - q = hdr->quantizer_[i]; - if (!hdr->absolute_delta_) { - q += base_q0; - } - } else { - if (i > 0) { - dec->dqm_[i] = dec->dqm_[0]; - continue; - } else { - q = base_q0; - } - } - { - VP8QuantMatrix* const m = &dec->dqm_[i]; - m->y1_mat_[0] = kDcTable[clip(q + dqy1_dc, 127)]; - m->y1_mat_[1] = kAcTable[clip(q + 0, 127)]; - - m->y2_mat_[0] = kDcTable[clip(q + dqy2_dc, 127)] * 2; - // TODO(skal): make it another table? - m->y2_mat_[1] = kAcTable[clip(q + dqy2_ac, 127)] * 155 / 100; - if (m->y2_mat_[1] < 8) m->y2_mat_[1] = 8; - - m->uv_mat_[0] = kDcTable[clip(q + dquv_dc, 117)]; - m->uv_mat_[1] = kAcTable[clip(q + dquv_ac, 127)]; - } - } -} - -//----------------------------------------------------------------------------- - -#if defined(__cplusplus) || defined(c_plusplus) -} // extern "C" -#endif diff --git a/src/add-ons/translators/webp/libwebp/dec/tree.c b/src/add-ons/translators/webp/libwebp/dec/tree.c deleted file mode 100644 index 9c7074bb0e..0000000000 --- a/src/add-ons/translators/webp/libwebp/dec/tree.c +++ /dev/null @@ -1,590 +0,0 @@ -// Copyright 2010 Google Inc. -// -// This code is licensed under the same terms as WebM: -// Software License Agreement: http://www.webmproject.org/license/software/ -// Additional IP Rights Grant: http://www.webmproject.org/license/additional/ -// ----------------------------------------------------------------------------- -// -// Coding trees and probas -// -// Author: Skal (pascal.massimino@gmail.com) - -#include -#include "vp8i.h" - -#define USE_GENERIC_TREE - -#if defined(__cplusplus) || defined(c_plusplus) -extern "C" { -#endif - -#ifdef USE_GENERIC_TREE -static const int8_t kYModesIntra4[18] = { - -B_DC_PRED, 1, - -B_TM_PRED, 2, - -B_VE_PRED, 3, - 4, 6, - -B_HE_PRED, 5, - -B_RD_PRED, -B_VR_PRED, - -B_LD_PRED, 7, - -B_VL_PRED, 8, - -B_HD_PRED, -B_HU_PRED -}; -#endif - -#ifndef ONLY_KEYFRAME_CODE - -// inter prediction modes -enum { - LEFT4 = 0, ABOVE4 = 1, ZERO4 = 2, NEW4 = 3, - NEARESTMV, NEARMV, ZEROMV, NEWMV, SPLITMV }; - -static const int8_t kYModesInter[8] = { - -DC_PRED, 1, - 2, 3, - -V_PRED, -H_PRED, - -TM_PRED, -B_PRED -}; - -static const int8_t kMBSplit[6] = { - -3, 1, - -2, 2, - -0, -1 -}; - -static const int8_t kMVRef[8] = { - -ZEROMV, 1, - -NEARESTMV, 2, - -NEARMV, 3, - -NEWMV, -SPLITMV -}; - -static const int8_t kMVRef4[6] = { - -LEFT4, 1 - -ABOVE4, 2 - -ZERO4, -NEW4 -}; -#endif - -//----------------------------------------------------------------------------- -// Default probabilities - -// Inter -#ifndef ONLY_KEYFRAME_CODE -static const uint8_t kYModeProbaInter0[4] = { 112, 86, 140, 37 }; -static const uint8_t kUVModeProbaInter0[3] = { 162, 101, 204 }; -static const uint8_t kMVProba0[2][NUM_MV_PROBAS] = { - { 162, 128, 225, 146, 172, 147, 214, 39, - 156, 128, 129, 132, 75, 145, 178, 206, - 239, 254, 254 }, - { 164, 128, 204, 170, 119, 235, 140, 230, - 228, 128, 130, 130, 74, 148, 180, 203, - 236, 254, 254 } -}; -#endif - -// Paragraph 13.5 -static const uint8_t - CoeffsProba0[NUM_TYPES][NUM_BANDS][NUM_CTX][NUM_PROBAS] = { - // genereated using vp8_default_coef_probs() in entropy.c:129 - { { { 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128 }, - { 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128 }, - { 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128 } - }, - { { 253, 136, 254, 255, 228, 219, 128, 128, 128, 128, 128 }, - { 189, 129, 242, 255, 227, 213, 255, 219, 128, 128, 128 }, - { 106, 126, 227, 252, 214, 209, 255, 255, 128, 128, 128 } - }, - { { 1, 98, 248, 255, 236, 226, 255, 255, 128, 128, 128 }, - { 181, 133, 238, 254, 221, 234, 255, 154, 128, 128, 128 }, - { 78, 134, 202, 247, 198, 180, 255, 219, 128, 128, 128 }, - }, - { { 1, 185, 249, 255, 243, 255, 128, 128, 128, 128, 128 }, - { 184, 150, 247, 255, 236, 224, 128, 128, 128, 128, 128 }, - { 77, 110, 216, 255, 236, 230, 128, 128, 128, 128, 128 }, - }, - { { 1, 101, 251, 255, 241, 255, 128, 128, 128, 128, 128 }, - { 170, 139, 241, 252, 236, 209, 255, 255, 128, 128, 128 }, - { 37, 116, 196, 243, 228, 255, 255, 255, 128, 128, 128 } - }, - { { 1, 204, 254, 255, 245, 255, 128, 128, 128, 128, 128 }, - { 207, 160, 250, 255, 238, 128, 128, 128, 128, 128, 128 }, - { 102, 103, 231, 255, 211, 171, 128, 128, 128, 128, 128 } - }, - { { 1, 152, 252, 255, 240, 255, 128, 128, 128, 128, 128 }, - { 177, 135, 243, 255, 234, 225, 128, 128, 128, 128, 128 }, - { 80, 129, 211, 255, 194, 224, 128, 128, 128, 128, 128 } - }, - { { 1, 1, 255, 128, 128, 128, 128, 128, 128, 128, 128 }, - { 246, 1, 255, 128, 128, 128, 128, 128, 128, 128, 128 }, - { 255, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128 } - } - }, - { { { 198, 35, 237, 223, 193, 187, 162, 160, 145, 155, 62 }, - { 131, 45, 198, 221, 172, 176, 220, 157, 252, 221, 1 }, - { 68, 47, 146, 208, 149, 167, 221, 162, 255, 223, 128 } - }, - { { 1, 149, 241, 255, 221, 224, 255, 255, 128, 128, 128 }, - { 184, 141, 234, 253, 222, 220, 255, 199, 128, 128, 128 }, - { 81, 99, 181, 242, 176, 190, 249, 202, 255, 255, 128 } - }, - { { 1, 129, 232, 253, 214, 197, 242, 196, 255, 255, 128 }, - { 99, 121, 210, 250, 201, 198, 255, 202, 128, 128, 128 }, - { 23, 91, 163, 242, 170, 187, 247, 210, 255, 255, 128 } - }, - { { 1, 200, 246, 255, 234, 255, 128, 128, 128, 128, 128 }, - { 109, 178, 241, 255, 231, 245, 255, 255, 128, 128, 128 }, - { 44, 130, 201, 253, 205, 192, 255, 255, 128, 128, 128 } - }, - { { 1, 132, 239, 251, 219, 209, 255, 165, 128, 128, 128 }, - { 94, 136, 225, 251, 218, 190, 255, 255, 128, 128, 128 }, - { 22, 100, 174, 245, 186, 161, 255, 199, 128, 128, 128 } - }, - { { 1, 182, 249, 255, 232, 235, 128, 128, 128, 128, 128 }, - { 124, 143, 241, 255, 227, 234, 128, 128, 128, 128, 128 }, - { 35, 77, 181, 251, 193, 211, 255, 205, 128, 128, 128 } - }, - { { 1, 157, 247, 255, 236, 231, 255, 255, 128, 128, 128 }, - { 121, 141, 235, 255, 225, 227, 255, 255, 128, 128, 128 }, - { 45, 99, 188, 251, 195, 217, 255, 224, 128, 128, 128 } - }, - { { 1, 1, 251, 255, 213, 255, 128, 128, 128, 128, 128 }, - { 203, 1, 248, 255, 255, 128, 128, 128, 128, 128, 128 }, - { 137, 1, 177, 255, 224, 255, 128, 128, 128, 128, 128 } - } - }, - { { { 253, 9, 248, 251, 207, 208, 255, 192, 128, 128, 128 }, - { 175, 13, 224, 243, 193, 185, 249, 198, 255, 255, 128 }, - { 73, 17, 171, 221, 161, 179, 236, 167, 255, 234, 128 } - }, - { { 1, 95, 247, 253, 212, 183, 255, 255, 128, 128, 128 }, - { 239, 90, 244, 250, 211, 209, 255, 255, 128, 128, 128 }, - { 155, 77, 195, 248, 188, 195, 255, 255, 128, 128, 128 } - }, - { { 1, 24, 239, 251, 218, 219, 255, 205, 128, 128, 128 }, - { 201, 51, 219, 255, 196, 186, 128, 128, 128, 128, 128 }, - { 69, 46, 190, 239, 201, 218, 255, 228, 128, 128, 128 } - }, - { { 1, 191, 251, 255, 255, 128, 128, 128, 128, 128, 128 }, - { 223, 165, 249, 255, 213, 255, 128, 128, 128, 128, 128 }, - { 141, 124, 248, 255, 255, 128, 128, 128, 128, 128, 128 } - }, - { { 1, 16, 248, 255, 255, 128, 128, 128, 128, 128, 128 }, - { 190, 36, 230, 255, 236, 255, 128, 128, 128, 128, 128 }, - { 149, 1, 255, 128, 128, 128, 128, 128, 128, 128, 128 } - }, - { { 1, 226, 255, 128, 128, 128, 128, 128, 128, 128, 128 }, - { 247, 192, 255, 128, 128, 128, 128, 128, 128, 128, 128 }, - { 240, 128, 255, 128, 128, 128, 128, 128, 128, 128, 128 } - }, - { { 1, 134, 252, 255, 255, 128, 128, 128, 128, 128, 128 }, - { 213, 62, 250, 255, 255, 128, 128, 128, 128, 128, 128 }, - { 55, 93, 255, 128, 128, 128, 128, 128, 128, 128, 128 } - }, - { { 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128 }, - { 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128 }, - { 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128 } - } - }, - { { { 202, 24, 213, 235, 186, 191, 220, 160, 240, 175, 255 }, - { 126, 38, 182, 232, 169, 184, 228, 174, 255, 187, 128 }, - { 61, 46, 138, 219, 151, 178, 240, 170, 255, 216, 128 } - }, - { { 1, 112, 230, 250, 199, 191, 247, 159, 255, 255, 128 }, - { 166, 109, 228, 252, 211, 215, 255, 174, 128, 128, 128 }, - { 39, 77, 162, 232, 172, 180, 245, 178, 255, 255, 128 } - }, - { { 1, 52, 220, 246, 198, 199, 249, 220, 255, 255, 128 }, - { 124, 74, 191, 243, 183, 193, 250, 221, 255, 255, 128 }, - { 24, 71, 130, 219, 154, 170, 243, 182, 255, 255, 128 } - }, - { { 1, 182, 225, 249, 219, 240, 255, 224, 128, 128, 128 }, - { 149, 150, 226, 252, 216, 205, 255, 171, 128, 128, 128 }, - { 28, 108, 170, 242, 183, 194, 254, 223, 255, 255, 128 } - }, - { { 1, 81, 230, 252, 204, 203, 255, 192, 128, 128, 128 }, - { 123, 102, 209, 247, 188, 196, 255, 233, 128, 128, 128 }, - { 20, 95, 153, 243, 164, 173, 255, 203, 128, 128, 128 } - }, - { { 1, 222, 248, 255, 216, 213, 128, 128, 128, 128, 128 }, - { 168, 175, 246, 252, 235, 205, 255, 255, 128, 128, 128 }, - { 47, 116, 215, 255, 211, 212, 255, 255, 128, 128, 128 } - }, - { { 1, 121, 236, 253, 212, 214, 255, 255, 128, 128, 128 }, - { 141, 84, 213, 252, 201, 202, 255, 219, 128, 128, 128 }, - { 42, 80, 160, 240, 162, 185, 255, 205, 128, 128, 128 } - }, - { { 1, 1, 255, 128, 128, 128, 128, 128, 128, 128, 128 }, - { 244, 1, 255, 128, 128, 128, 128, 128, 128, 128, 128 }, - { 238, 1, 255, 128, 128, 128, 128, 128, 128, 128, 128 } - } - } -}; - -// Paragraph 11.5 -static const uint8_t kBModesProba[NUM_BMODES][NUM_BMODES][NUM_BMODES - 1] = { - { { 231, 120, 48, 89, 115, 113, 120, 152, 112 }, - { 152, 179, 64, 126, 170, 118, 46, 70, 95 }, - { 175, 69, 143, 80, 85, 82, 72, 155, 103 }, - { 56, 58, 10, 171, 218, 189, 17, 13, 152 }, - { 114, 26, 17, 163, 44, 195, 21, 10, 173 }, - { 121, 24, 80, 195, 26, 62, 44, 64, 85 }, - { 144, 71, 10, 38, 171, 213, 144, 34, 26 }, - { 170, 46, 55, 19, 136, 160, 33, 206, 71 }, - { 63, 20, 8, 114, 114, 208, 12, 9, 226 }, - { 81, 40, 11, 96, 182, 84, 29, 16, 36 } }, - { { 134, 183, 89, 137, 98, 101, 106, 165, 148 }, - { 72, 187, 100, 130, 157, 111, 32, 75, 80 }, - { 66, 102, 167, 99, 74, 62, 40, 234, 128 }, - { 41, 53, 9, 178, 241, 141, 26, 8, 107 }, - { 74, 43, 26, 146, 73, 166, 49, 23, 157 }, - { 65, 38, 105, 160, 51, 52, 31, 115, 128 }, - { 104, 79, 12, 27, 217, 255, 87, 17, 7 }, - { 87, 68, 71, 44, 114, 51, 15, 186, 23 }, - { 47, 41, 14, 110, 182, 183, 21, 17, 194 }, - { 66, 45, 25, 102, 197, 189, 23, 18, 22 } }, - { { 88, 88, 147, 150, 42, 46, 45, 196, 205 }, - { 43, 97, 183, 117, 85, 38, 35, 179, 61 }, - { 39, 53, 200, 87, 26, 21, 43, 232, 171 }, - { 56, 34, 51, 104, 114, 102, 29, 93, 77 }, - { 39, 28, 85, 171, 58, 165, 90, 98, 64 }, - { 34, 22, 116, 206, 23, 34, 43, 166, 73 }, - { 107, 54, 32, 26, 51, 1, 81, 43, 31 }, - { 68, 25, 106, 22, 64, 171, 36, 225, 114 }, - { 34, 19, 21, 102, 132, 188, 16, 76, 124 }, - { 62, 18, 78, 95, 85, 57, 50, 48, 51 } }, - { { 193, 101, 35, 159, 215, 111, 89, 46, 111 }, - { 60, 148, 31, 172, 219, 228, 21, 18, 111 }, - { 112, 113, 77, 85, 179, 255, 38, 120, 114 }, - { 40, 42, 1, 196, 245, 209, 10, 25, 109 }, - { 88, 43, 29, 140, 166, 213, 37, 43, 154 }, - { 61, 63, 30, 155, 67, 45, 68, 1, 209 }, - { 100, 80, 8, 43, 154, 1, 51, 26, 71 }, - { 142, 78, 78, 16, 255, 128, 34, 197, 171 }, - { 41, 40, 5, 102, 211, 183, 4, 1, 221 }, - { 51, 50, 17, 168, 209, 192, 23, 25, 82 } }, - { { 138, 31, 36, 171, 27, 166, 38, 44, 229 }, - { 67, 87, 58, 169, 82, 115, 26, 59, 179 }, - { 63, 59, 90, 180, 59, 166, 93, 73, 154 }, - { 40, 40, 21, 116, 143, 209, 34, 39, 175 }, - { 47, 15, 16, 183, 34, 223, 49, 45, 183 }, - { 46, 17, 33, 183, 6, 98, 15, 32, 183 }, - { 57, 46, 22, 24, 128, 1, 54, 17, 37 }, - { 65, 32, 73, 115, 28, 128, 23, 128, 205 }, - { 40, 3, 9, 115, 51, 192, 18, 6, 223 }, - { 87, 37, 9, 115, 59, 77, 64, 21, 47 } }, - { { 104, 55, 44, 218, 9, 54, 53, 130, 226 }, - { 64, 90, 70, 205, 40, 41, 23, 26, 57 }, - { 54, 57, 112, 184, 5, 41, 38, 166, 213 }, - { 30, 34, 26, 133, 152, 116, 10, 32, 134 }, - { 39, 19, 53, 221, 26, 114, 32, 73, 255 }, - { 31, 9, 65, 234, 2, 15, 1, 118, 73 }, - { 75, 32, 12, 51, 192, 255, 160, 43, 51 }, - { 88, 31, 35, 67, 102, 85, 55, 186, 85 }, - { 56, 21, 23, 111, 59, 205, 45, 37, 192 }, - { 55, 38, 70, 124, 73, 102, 1, 34, 98 } }, - { { 125, 98, 42, 88, 104, 85, 117, 175, 82 }, - { 95, 84, 53, 89, 128, 100, 113, 101, 45 }, - { 75, 79, 123, 47, 51, 128, 81, 171, 1 }, - { 57, 17, 5, 71, 102, 57, 53, 41, 49 }, - { 38, 33, 13, 121, 57, 73, 26, 1, 85 }, - { 41, 10, 67, 138, 77, 110, 90, 47, 114 }, - { 115, 21, 2, 10, 102, 255, 166, 23, 6 }, - { 101, 29, 16, 10, 85, 128, 101, 196, 26 }, - { 57, 18, 10, 102, 102, 213, 34, 20, 43 }, - { 117, 20, 15, 36, 163, 128, 68, 1, 26 } }, - { { 102, 61, 71, 37, 34, 53, 31, 243, 192 }, - { 69, 60, 71, 38, 73, 119, 28, 222, 37 }, - { 68, 45, 128, 34, 1, 47, 11, 245, 171 }, - { 62, 17, 19, 70, 146, 85, 55, 62, 70 }, - { 37, 43, 37, 154, 100, 163, 85, 160, 1 }, - { 63, 9, 92, 136, 28, 64, 32, 201, 85 }, - { 75, 15, 9, 9, 64, 255, 184, 119, 16 }, - { 86, 6, 28, 5, 64, 255, 25, 248, 1 }, - { 56, 8, 17, 132, 137, 255, 55, 116, 128 }, - { 58, 15, 20, 82, 135, 57, 26, 121, 40 } }, - { { 164, 50, 31, 137, 154, 133, 25, 35, 218 }, - { 51, 103, 44, 131, 131, 123, 31, 6, 158 }, - { 86, 40, 64, 135, 148, 224, 45, 183, 128 }, - { 22, 26, 17, 131, 240, 154, 14, 1, 209 }, - { 45, 16, 21, 91, 64, 222, 7, 1, 197 }, - { 56, 21, 39, 155, 60, 138, 23, 102, 213 }, - { 83, 12, 13, 54, 192, 255, 68, 47, 28 }, - { 85, 26, 85, 85, 128, 128, 32, 146, 171 }, - { 18, 11, 7, 63, 144, 171, 4, 4, 246 }, - { 35, 27, 10, 146, 174, 171, 12, 26, 128 } }, - { { 190, 80, 35, 99, 180, 80, 126, 54, 45 }, - { 85, 126, 47, 87, 176, 51, 41, 20, 32 }, - { 101, 75, 128, 139, 118, 146, 116, 128, 85 }, - { 56, 41, 15, 176, 236, 85, 37, 9, 62 }, - { 71, 30, 17, 119, 118, 255, 17, 18, 138 }, - { 101, 38, 60, 138, 55, 70, 43, 26, 142 }, - { 146, 36, 19, 30, 171, 255, 97, 27, 20 }, - { 138, 45, 61, 62, 219, 1, 81, 188, 64 }, - { 32, 41, 20, 117, 151, 142, 20, 21, 163 }, - { 112, 19, 12, 61, 195, 128, 48, 4, 24 } } -}; - -void VP8ResetProba(VP8Proba* const proba) { - memset(proba->segments_, 255u, sizeof(proba->segments_)); - memcpy(proba->coeffs_, CoeffsProba0, sizeof(CoeffsProba0)); -#ifndef ONLY_KEYFRAME_CODE - memcpy(proba->mv_, kMVProba0, sizeof(kMVProba0)); - memcpy(proba->ymode_, kYModeProbaInter0, sizeof(kYModeProbaInter0)); - memcpy(proba->uvmode_, kUVModeProbaInter0, sizeof(kUVModeProbaInter0)); -#endif -} - -void VP8ParseIntraMode(VP8BitReader* const br, VP8Decoder* const dec) { - uint8_t* const top = dec->intra_t_ + 4 * dec->mb_x_; - uint8_t* const left = dec->intra_l_; - // Hardcoded 16x16 intra-mode decision tree. - dec->is_i4x4_ = !VP8GetBit(br, 145); // decide for B_PRED first - if (!dec->is_i4x4_) { - const int ymode = - VP8GetBit(br, 156) ? (VP8GetBit(br, 128) ? TM_PRED : H_PRED) - : (VP8GetBit(br, 163) ? V_PRED : DC_PRED); - dec->imodes_[0] = ymode; - memset(top, ymode, 4 * sizeof(top[0])); - memset(left, ymode, 4 * sizeof(left[0])); - } else { - uint8_t* modes = dec->imodes_; - int y; - for (y = 0; y < 4; ++y) { - int ymode = left[y]; - int x; - for (x = 0; x < 4; ++x) { - const uint8_t* const prob = kBModesProba[top[x]][ymode]; -#ifdef USE_GENERIC_TREE - // Generic tree-parsing - int i = 0; - do { - i = kYModesIntra4[2 * i + VP8GetBit(br, prob[i])]; - } while (i > 0); - ymode = -i; -#else - // Hardcoded tree parsing - ymode = !VP8GetBit(br, prob[0]) ? B_DC_PRED : - !VP8GetBit(br, prob[1]) ? B_TM_PRED : - !VP8GetBit(br, prob[2]) ? B_VE_PRED : - !VP8GetBit(br, prob[3]) ? - (!VP8GetBit(br, prob[4]) ? B_HE_PRED : - (!VP8GetBit(br, prob[5]) ? B_RD_PRED : B_VR_PRED)) : - (!VP8GetBit(br, prob[6]) ? B_LD_PRED : - (!VP8GetBit(br, prob[7]) ? B_VL_PRED : - (!VP8GetBit(br, prob[8]) ? B_HD_PRED : B_HU_PRED))); -#endif // USE_GENERIC_TREE - top[x] = ymode; - *modes++ = ymode; - } - left[y] = ymode; - } - } - // Hardcoded UVMode decision tree - dec->uvmode_ = !VP8GetBit(br, 142) ? DC_PRED - : !VP8GetBit(br, 114) ? V_PRED - : VP8GetBit(br, 183) ? TM_PRED : H_PRED; -} - -//----------------------------------------------------------------------------- -// Paragraph 13 - -static const uint8_t - CoeffsUpdateProba[NUM_TYPES][NUM_BANDS][NUM_CTX][NUM_PROBAS] = { - { { { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } - }, - { { 176, 246, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 223, 241, 252, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 249, 253, 253, 255, 255, 255, 255, 255, 255, 255, 255 } - }, - { { 255, 244, 252, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 234, 254, 254, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 253, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } - }, - { { 255, 246, 254, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 239, 253, 254, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 254, 255, 254, 255, 255, 255, 255, 255, 255, 255, 255 } - }, - { { 255, 248, 254, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 251, 255, 254, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } - }, - { { 255, 253, 254, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 251, 254, 254, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 254, 255, 254, 255, 255, 255, 255, 255, 255, 255, 255 } - }, - { { 255, 254, 253, 255, 254, 255, 255, 255, 255, 255, 255 }, - { 250, 255, 254, 255, 254, 255, 255, 255, 255, 255, 255 }, - { 254, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } - }, - { { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } - } - }, - { { { 217, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 225, 252, 241, 253, 255, 255, 254, 255, 255, 255, 255 }, - { 234, 250, 241, 250, 253, 255, 253, 254, 255, 255, 255 } - }, - { { 255, 254, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 223, 254, 254, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 238, 253, 254, 254, 255, 255, 255, 255, 255, 255, 255 } - }, - { { 255, 248, 254, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 249, 254, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } - }, - { { 255, 253, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 247, 254, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } - }, - { { 255, 253, 254, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 252, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } - }, - { { 255, 254, 254, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 253, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } - }, - { { 255, 254, 253, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 250, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 254, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } - }, - { { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } - } - }, - { { { 186, 251, 250, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 234, 251, 244, 254, 255, 255, 255, 255, 255, 255, 255 }, - { 251, 251, 243, 253, 254, 255, 254, 255, 255, 255, 255 } - }, - { { 255, 253, 254, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 236, 253, 254, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 251, 253, 253, 254, 254, 255, 255, 255, 255, 255, 255 } - }, - { { 255, 254, 254, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 254, 254, 254, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } - }, - { { 255, 254, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 254, 254, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 254, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } - }, - { { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 254, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } - }, - { { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } - }, - { { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } - }, - { { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } - } - }, - { { { 248, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 250, 254, 252, 254, 255, 255, 255, 255, 255, 255, 255 }, - { 248, 254, 249, 253, 255, 255, 255, 255, 255, 255, 255 } - }, - { { 255, 253, 253, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 246, 253, 253, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 252, 254, 251, 254, 254, 255, 255, 255, 255, 255, 255 } - }, - { { 255, 254, 252, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 248, 254, 253, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 253, 255, 254, 254, 255, 255, 255, 255, 255, 255, 255 } - }, - { { 255, 251, 254, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 245, 251, 254, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 253, 253, 254, 255, 255, 255, 255, 255, 255, 255, 255 } - }, - { { 255, 251, 253, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 252, 253, 254, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 255, 254, 255, 255, 255, 255, 255, 255, 255, 255, 255 } - }, - { { 255, 252, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 249, 255, 254, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 255, 255, 254, 255, 255, 255, 255, 255, 255, 255, 255 } - }, - { { 255, 255, 253, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 250, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } - }, - { { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 254, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } - } - } -}; - -#ifndef ONLY_KEYFRAME_CODE -static const uint8_t MVUpdateProba[2][NUM_MV_PROBAS] = { - { 237, 246, 253, 253, 254, 254, 254, 254, - 254, 254, 254, 254, 254, 254, 250, 250, - 252, 254, 254 }, - { 231, 243, 245, 253, 254, 254, 254, 254, - 254, 254, 254, 254, 254, 254, 251, 251, - 254, 254, 254 } -}; -#endif - -// Paragraph 9.9 -void VP8ParseProba(VP8BitReader* const br, VP8Decoder* const dec) { - VP8Proba* const proba = &dec->proba_; - int t, b, c, p; - for (t = 0; t < NUM_TYPES; ++t) { - for (b = 0; b < NUM_BANDS; ++b) { - for (c = 0; c < NUM_CTX; ++c) { - for (p = 0; p < NUM_PROBAS; ++p) { - if (VP8GetBit(br, CoeffsUpdateProba[t][b][c][p])) { - proba->coeffs_[t][b][c][p] = VP8GetValue(br, 8); - } - } - } - } - } - dec->use_skip_proba_ = VP8Get(br); - if (dec->use_skip_proba_) { - dec->skip_p_ = VP8GetValue(br, 8); - } -#ifndef ONLY_KEYFRAME_CODE - if (!dec->frm_hdr_.key_frame_) { - int i; - dec->intra_p_ = VP8GetValue(br, 8); - dec->last_p_ = VP8GetValue(br, 8); - dec->golden_p_ = VP8GetValue(br, 8); - if (VP8Get(br)) { // update y-mode - for (i = 0; i < 4; ++i) { - proba->ymode_[i] = VP8GetValue(br, 8); - } - } - if (VP8Get(br)) { // update uv-mode - for (i = 0; i < 3; ++i) { - proba->uvmode_[i] = VP8GetValue(br, 8); - } - } - // update MV - for (i = 0; i < 2; ++i) { - int k; - for (k = 0; k < NUM_MV_PROBAS; ++k) { - if (VP8GetBit(br, MVUpdateProba[i][k])) { - const int v = VP8GetValue(br, 7); - proba->mv_[i][k] = v ? v << 1 : 1; - } - } - } - } -#endif -} - -#if defined(__cplusplus) || defined(c_plusplus) -} // extern "C" -#endif diff --git a/src/add-ons/translators/webp/libwebp/dec/vp8.c b/src/add-ons/translators/webp/libwebp/dec/vp8.c deleted file mode 100644 index 1b9819ceaf..0000000000 --- a/src/add-ons/translators/webp/libwebp/dec/vp8.c +++ /dev/null @@ -1,655 +0,0 @@ -// Copyright 2010 Google Inc. -// -// This code is licensed under the same terms as WebM: -// Software License Agreement: http://www.webmproject.org/license/software/ -// Additional IP Rights Grant: http://www.webmproject.org/license/additional/ -// ----------------------------------------------------------------------------- -// -// main entry for the decoder -// -// Author: Skal (pascal.massimino@gmail.com) - -#include -#include "vp8i.h" - -//----------------------------------------------------------------------------- -// VP8Decoder - -static void SetOk(VP8Decoder* const dec) { - dec->status_ = VP8_STATUS_OK; - dec->error_msg_ = "OK"; -} - -int VP8InitIoInternal(VP8Io* const io, int version) { - if (version != WEBP_DECODER_ABI_VERSION) - return 0; // mismatch error - if (io) { - memset(io, 0, sizeof(*io)); - } - return 1; -} - -VP8Decoder* VP8New() { - VP8Decoder* dec = (VP8Decoder*)calloc(1, sizeof(VP8Decoder)); - if (dec) { - SetOk(dec); - dec->ready_ = 0; - } - return dec; -} - -VP8StatusCode VP8Status(VP8Decoder* const dec) { - if (!dec) return VP8_STATUS_INVALID_PARAM; - return dec->status_; -} - -const char* VP8StatusMessage(VP8Decoder* const dec) { - if (!dec) return "no object"; - if (!dec->error_msg_) return "OK"; - return dec->error_msg_; -} - -void VP8Delete(VP8Decoder* const dec) { - if (dec) { - VP8Clear(dec); - free(dec); - } -} - -int VP8SetError(VP8Decoder* const dec, - VP8StatusCode error, const char * const msg) { - dec->status_ = error; - dec->error_msg_ = msg; - dec->ready_ = 0; - return 0; -} - -//----------------------------------------------------------------------------- -// Header parsing - -static void ResetSegmentHeader(VP8SegmentHeader* const hdr) { - assert(hdr); - hdr->use_segment_ = 0; - hdr->update_map_ = 0; - hdr->absolute_delta_ = 1; - memset(hdr->quantizer_, 0, sizeof(hdr->quantizer_)); - memset(hdr->filter_strength_, 0, sizeof(hdr->filter_strength_)); -} - -// Paragraph 9.3 -static int ParseSegmentHeader(VP8BitReader* br, - VP8SegmentHeader* hdr, VP8Proba* proba) { - assert(br); - assert(hdr); - hdr->use_segment_ = VP8Get(br); - if (hdr->use_segment_) { - hdr->update_map_ = VP8Get(br); - if (VP8Get(br)) { // update data - int s; - hdr->absolute_delta_ = VP8Get(br); - for (s = 0; s < NUM_MB_SEGMENTS; ++s) { - hdr->quantizer_[s] = VP8Get(br) ? VP8GetSignedValue(br, 7) : 0; - } - for (s = 0; s < NUM_MB_SEGMENTS; ++s) { - hdr->filter_strength_[s] = VP8Get(br) ? VP8GetSignedValue(br, 6) : 0; - } - } - if (hdr->update_map_) { - int s; - for (s = 0; s < MB_FEATURE_TREE_PROBS; ++s) { - proba->segments_[s] = VP8Get(br) ? VP8GetValue(br, 8) : 255u; - } - } - } else { - hdr->update_map_ = 0; - } - return !br->eof_; -} - -// Paragraph 9.5 -static int ParsePartitions(VP8Decoder* const dec, - const uint8_t* buf, uint32_t size) { - VP8BitReader* const br = &dec->br_; - const uint8_t* sz = buf; - int last_part; - uint32_t offset; - int p; - - dec->num_parts_ = 1 << VP8GetValue(br, 2); - last_part = dec->num_parts_ - 1; - offset = last_part * 3; - - if (size <= offset) { - return 0; - } - for (p = 0; p < last_part; ++p) { - const uint32_t psize = sz[0] | (sz[1] << 8) | (sz[2] << 16); - if (offset + psize > size) { - return 0; - } - VP8Init(dec->parts_ + p, buf + offset, psize); - offset += psize; - sz += 3; - } - size -= offset; - VP8Init(dec->parts_ + last_part, buf + offset, size); - return 1; -} - -// Paragraph 9.4 -static int ParseFilterHeader(VP8BitReader* br, VP8Decoder* const dec) { - VP8FilterHeader* const hdr = &dec->filter_hdr_; - hdr->simple_ = VP8Get(br); - hdr->level_ = VP8GetValue(br, 6); - hdr->sharpness_ = VP8GetValue(br, 3); - hdr->use_lf_delta_ = VP8Get(br); - if (hdr->use_lf_delta_) { - if (VP8Get(br)) { // update lf-delta? - int i; - for (i = 0; i < NUM_REF_LF_DELTAS; ++i) { - if (VP8Get(br)) { - hdr->ref_lf_delta_[i] = VP8GetSignedValue(br, 6); - } - } - for (i = 0; i < NUM_MODE_LF_DELTAS; ++i) { - if (VP8Get(br)) { - hdr->mode_lf_delta_[i] = VP8GetSignedValue(br, 6); - } - } - } - } - dec->filter_type_ = (hdr->level_ == 0) ? 0 : hdr->simple_ ? 1 : 2; - if (dec->filter_type_ > 0) { // precompute filter levels per segment - if (dec->segment_hdr_.use_segment_) { - int s; - for (s = 0; s < NUM_MB_SEGMENTS; ++s) { - int strength = dec->segment_hdr_.filter_strength_[s]; - if (!dec->segment_hdr_.absolute_delta_) { - strength += hdr->level_; - } - dec->filter_levels_[s] = strength; - } - } else { - dec->filter_levels_[0] = hdr->level_; - } - } - return !br->eof_; -} - -static inline uint32_t get_le32(const uint8_t* const data) { - return data[0] | (data[1] << 8) | (data[2] << 16) | (data[3] << 24); -} - -// Topmost call -int VP8GetHeaders(VP8Decoder* const dec, VP8Io* const io) { - uint8_t* buf; - uint32_t buf_size; - VP8FrameHeader* frm_hdr; - VP8PictureHeader* pic_hdr; - VP8BitReader* br; - - if (dec == NULL) { - return 0; - } - SetOk(dec); - if (io == NULL) { - return VP8SetError(dec, VP8_STATUS_INVALID_PARAM, - "null VP8Io passed to VP8GetHeaders()"); - } - - buf = (uint8_t *)io->data; - buf_size = io->data_size; - if (buf == NULL || buf_size <= 4) { - return VP8SetError(dec, VP8_STATUS_NOT_ENOUGH_DATA, - "Not enough data to parse frame header"); - } - - // Skip over valid RIFF headers - if (!memcmp(buf, "RIFF", 4)) { - uint32_t riff_size; - uint32_t chunk_size; - if (buf_size < 20 + 4) { - return VP8SetError(dec, VP8_STATUS_NOT_ENOUGH_DATA, - "RIFF: Truncated header."); - } - if (memcmp(buf + 8, "WEBP", 4)) { // wrong image file signature - return VP8SetError(dec, VP8_STATUS_BITSTREAM_ERROR, - "RIFF: WEBP signature not found."); - } - riff_size = get_le32(buf + 4); - if (riff_size < 12) { - return VP8SetError(dec, VP8_STATUS_NOT_ENOUGH_DATA, - "RIFF: Truncated header."); - } - if (memcmp(buf + 12, "VP8 ", 4)) { - return VP8SetError(dec, VP8_STATUS_BITSTREAM_ERROR, - "RIFF: Invalid compression format."); - } - chunk_size = get_le32(buf + 16); - if (chunk_size > riff_size - 12) { - return VP8SetError(dec, VP8_STATUS_BITSTREAM_ERROR, - "RIFF: Inconsistent size information."); - } - buf += 20; - buf_size -= 20; - } - - // Paragraph 9.1 - { - const uint32_t bits = buf[0] | (buf[1] << 8) | (buf[2] << 16); - frm_hdr = &dec->frm_hdr_; - frm_hdr->key_frame_ = !(bits & 1); - frm_hdr->profile_ = (bits >> 1) & 7; - frm_hdr->show_ = (bits >> 4) & 1; - frm_hdr->partition_length_ = (bits >> 5); - if (frm_hdr->profile_ > 3) - return VP8SetError(dec, VP8_STATUS_BITSTREAM_ERROR, - "Incorrect keyframe parameters."); - if (!frm_hdr->show_) - return VP8SetError(dec, VP8_STATUS_UNSUPPORTED_FEATURE, - "Frame not displayable."); - buf += 3; - buf_size -= 3; - } - - pic_hdr = &dec->pic_hdr_; - if (frm_hdr->key_frame_) { - // Paragraph 9.2 - if (buf_size < 7) { - return VP8SetError(dec, VP8_STATUS_NOT_ENOUGH_DATA, - "cannot parse picture header"); - } - if (buf[0] != 0x9d || buf[1] != 0x01 || buf[2] != 0x2a) { - return VP8SetError(dec, VP8_STATUS_BITSTREAM_ERROR, - "Bad code word"); - } - pic_hdr->width_ = ((buf[4] << 8) | buf[3]) & 0x3fff; - pic_hdr->xscale_ = buf[4] >> 6; // ratio: 1, 5/4 5/3 or 2 - pic_hdr->height_ = ((buf[6] << 8) | buf[5]) & 0x3fff; - pic_hdr->yscale_ = buf[6] >> 6; - buf += 7; - buf_size -= 7; - - dec->mb_w_ = (pic_hdr->width_ + 15) >> 4; - dec->mb_h_ = (pic_hdr->height_ + 15) >> 4; - io->width = pic_hdr->width_; - io->height = pic_hdr->height_; - - VP8ResetProba(&dec->proba_); - ResetSegmentHeader(&dec->segment_hdr_); - dec->segment_ = 0; // default for intra - } - - br = &dec->br_; - VP8Init(br, buf, buf_size); - if (frm_hdr->partition_length_ > buf_size) { - return VP8SetError(dec, VP8_STATUS_NOT_ENOUGH_DATA, - "bad partition length"); - } - buf += frm_hdr->partition_length_; - buf_size -= frm_hdr->partition_length_; - if (frm_hdr->key_frame_) { - pic_hdr->colorspace_ = VP8Get(br); - pic_hdr->clamp_type_ = VP8Get(br); - } - if (!ParseSegmentHeader(br, &dec->segment_hdr_, &dec->proba_)) { - return VP8SetError(dec, VP8_STATUS_BITSTREAM_ERROR, - "cannot parse segment header"); - } - // Filter specs - if (!ParseFilterHeader(br, dec)) { - return VP8SetError(dec, VP8_STATUS_BITSTREAM_ERROR, - "cannot parse filter header"); - } - if (!ParsePartitions(dec, buf, buf_size)) { - return VP8SetError(dec, VP8_STATUS_BITSTREAM_ERROR, - "cannot parse partitions"); - } - - // quantizer change - VP8ParseQuant(dec); - - // Frame buffer marking - if (!frm_hdr->key_frame_) { - // Paragraph 9.7 -#ifndef ONLY_KEYFRAME_CODE - dec->buffer_flags_ = VP8Get(br) << 0; // update golden - dec->buffer_flags_ |= VP8Get(br) << 1; // update alt ref - if (!(dec->buffer_flags_ & 1)) { - dec->buffer_flags_ |= VP8GetValue(br, 2) << 2; - } - if (!(dec->buffer_flags_ & 2)) { - dec->buffer_flags_ |= VP8GetValue(br, 2) << 4; - } - dec->buffer_flags_ |= VP8Get(br) << 6; // sign bias golden - dec->buffer_flags_ |= VP8Get(br) << 7; // sign bias alt ref -#else - return VP8SetError(dec, VP8_STATUS_UNSUPPORTED_FEATURE, - "Not a key frame."); -#endif - } else { - dec->buffer_flags_ = 0x003 | 0x100; - } - - // Paragraph 9.8 -#ifndef ONLY_KEYFRAME_CODE - dec->update_proba_ = VP8Get(br); - if (!dec->update_proba_) { // save for later restore - dec->proba_saved_ = dec->proba_; - } - dec->buffer_flags_ &= 1 << 8; - dec->buffer_flags_ |= - (frm_hdr->key_frame_ || VP8Get(br)) << 8; // refresh last frame -#else - VP8Get(br); // just ignore the value of update_proba_ -#endif - - VP8ParseProba(br, dec); - - // sanitized state - dec->ready_ = 1; - return 1; -} - -//----------------------------------------------------------------------------- -// Residual decoding (Paragraph 13.2 / 13.3) - -static const uint8_t kBands[16 + 1] = { - 0, 1, 2, 3, 6, 4, 5, 6, 6, 6, 6, 6, 6, 6, 6, 7, - 0 // extra entry as sentinel -}; - -static const uint8_t kCat3[] = { 173, 148, 140, 0 }; -static const uint8_t kCat4[] = { 176, 155, 140, 135, 0 }; -static const uint8_t kCat5[] = { 180, 157, 141, 134, 130, 0 }; -static const uint8_t kCat6[] = - { 254, 254, 243, 230, 196, 177, 153, 140, 133, 130, 129, 0 }; -static const uint8_t * const kCat3456[] = { kCat3, kCat4, kCat5, kCat6 }; -static const uint8_t kZigzag[16] = { - 0, 1, 4, 8, 5, 2, 3, 6, 9, 12, 13, 10, 7, 11, 14, 15 -}; - -typedef const uint8_t (*ProbaArray)[NUM_CTX][NUM_PROBAS]; // for const-casting - -// Returns 1 if there's non-zero coeffs, 0 otherwise -static int GetCoeffs(VP8BitReader* const br, ProbaArray prob, - int ctx, const uint16_t dq[2], int n, int16_t* out) { - const uint8_t* p = prob[kBands[n]][ctx]; - if (!VP8GetBit(br, p[0])) { // first EOB is more a 'CBP' bit. - return 0; - } - while (1) { - ++n; - if (!VP8GetBit(br, p[1])) { - p = prob[kBands[n]][0]; - } else { // non zero coeff - int v, j; - if (!VP8GetBit(br, p[2])) { - p = prob[kBands[n]][1]; - v = 1; - } else { - if (!VP8GetBit(br, p[3])) { - if (!VP8GetBit(br, p[4])) { - v = 2; - } else { - v = 3 + VP8GetBit(br, p[5]); - } - } else { - if (!VP8GetBit(br, p[6])) { - if (!VP8GetBit(br, p[7])) { - v = 5 + VP8GetBit(br, 159); - } else { - v = 7 + 2 * VP8GetBit(br, 165) + VP8GetBit(br, 145); - } - } else { - const uint8_t* tab; - const int bit1 = VP8GetBit(br, p[8]); - const int bit0 = VP8GetBit(br, p[9 + bit1]); - const int cat = 2 * bit1 + bit0; - v = 0; - for (tab = kCat3456[cat]; *tab; ++tab) { - v += v + VP8GetBit(br, *tab); - } - v += 3 + (8 << cat); - } - } - p = prob[kBands[n]][2]; - } - j = kZigzag[n - 1]; - out[j] = VP8GetSigned(br, v) * dq[j > 0]; - if (n == 16 || !VP8GetBit(br, p[0])) { // EOB - return 1; - } - } - if (n == 16) { - return 1; - } - } - return 0; -} - -// Table to unpack four bits into four bytes -static const uint8_t kUnpackTab[16][4] = { - {0, 0, 0, 0}, {1, 0, 0, 0}, {0, 1, 0, 0}, {1, 1, 0, 0}, - {0, 0, 1, 0}, {1, 0, 1, 0}, {0, 1, 1, 0}, {1, 1, 1, 0}, - {0, 0, 0, 1}, {1, 0, 0, 1}, {0, 1, 0, 1}, {1, 1, 0, 1}, - {0, 0, 1, 1}, {1, 0, 1, 1}, {0, 1, 1, 1}, {1, 1, 1, 1} }; - -// Macro to pack four LSB of four bytes into four bits. -#if defined(__PPC__) || defined(_M_PPC) || defined(_ARCH_PPC) || \ - defined(__BIG_ENDIAN__) -#define PACK_CST 0x08040201U -#else -#define PACK_CST 0x01020408U -#endif -#define PACK(X, S) ((((*(uint32_t*)(X)) * PACK_CST) & 0xff000000) >> (S)) - -static int ParseResiduals(VP8Decoder* const dec, - VP8MB* const mb, VP8BitReader* const token_br) { - int out_t_nz, out_l_nz, first; - ProbaArray ac_prob; - const VP8QuantMatrix* q = &dec->dqm_[dec->segment_]; - int16_t* dst = dec->coeffs_; - VP8MB* const left_mb = dec->mb_info_ - 1; - uint8_t nz_ac[4], nz_dc[4]; - uint32_t non_zero_ac = 0; - uint32_t non_zero_dc = 0; - uint8_t tnz[4], lnz[4]; - int x, y, ch; - - memset(dst, 0, 384 * sizeof(*dst)); - if (!dec->is_i4x4_) { // parse DC - int16_t dc[16] = { 0 }; - const int ctx = mb->dc_nz_ + left_mb->dc_nz_; - mb->dc_nz_ = left_mb->dc_nz_ = - GetCoeffs(token_br, (ProbaArray)dec->proba_.coeffs_[1], - ctx, q->y2_mat_, 0, dc); - first = 1; - ac_prob = (ProbaArray)dec->proba_.coeffs_[0]; - VP8TransformWHT(dc, dst); - } else { - first = 0; - ac_prob = (ProbaArray)dec->proba_.coeffs_[3]; - } - - memcpy(tnz, kUnpackTab[mb->nz_ & 0xf], sizeof(tnz)); - memcpy(lnz, kUnpackTab[left_mb->nz_ & 0xf], sizeof(lnz)); - for (y = 0; y < 4; ++y) { - int l = lnz[y]; - - for (x = 0; x < 4; ++x) { - const int ctx = l + tnz[x]; - l = GetCoeffs(token_br, ac_prob, ctx, - q->y1_mat_, first, dst); - nz_dc[x] = (dst[0] != 0); - nz_ac[x] = tnz[x] = l; - dst += 16; - } - lnz[y] = l; - non_zero_dc |= PACK(nz_dc, 24 - y * 4); - non_zero_ac |= PACK(nz_ac, 24 - y * 4); - } - out_t_nz = PACK(tnz, 24); - out_l_nz = PACK(lnz, 24); - - memcpy(tnz, kUnpackTab[mb->nz_ >> 4], sizeof(tnz)); - memcpy(lnz, kUnpackTab[left_mb->nz_ >> 4], sizeof(lnz)); - for (ch = 0; ch < 4; ch += 2) { - for (y = 0; y < 2; ++y) { - int l = lnz[ch + y]; - for (x = 0; x < 2; ++x) { - const int ctx = l + tnz[ch + x]; - l = GetCoeffs(token_br, (ProbaArray)dec->proba_.coeffs_[2], - ctx, q->uv_mat_, 0, dst); - nz_dc[y * 2 + x] = (dst[0] != 0); - nz_ac[y * 2 + x] = tnz[ch + x] = l; - dst += 16; - } - lnz[ch + y] = l; - } - non_zero_dc |= PACK(nz_dc, 8 - ch * 2); - non_zero_ac |= PACK(nz_ac, 8 - ch * 2); - } - out_t_nz |= PACK(tnz, 20); - out_l_nz |= PACK(lnz, 20); - mb->nz_ = out_t_nz; - left_mb->nz_ = out_l_nz; - - dec->non_zero_ac_ = non_zero_ac; - dec->non_zero_ = non_zero_ac | non_zero_dc; - mb->skip_ = !dec->non_zero_; - - return 1; -} -#undef PACK - -//----------------------------------------------------------------------------- -// Main loop - -static int ParseFrame(VP8Decoder* const dec, VP8Io* io) { - VP8BitReader* const br = &dec->br_; - VP8BitReader* token_br; - - for (dec->mb_y_ = 0; dec->mb_y_ < dec->mb_h_; ++dec->mb_y_) { - VP8MB* const left = dec->mb_info_ - 1; - - memset(dec->intra_l_, B_DC_PRED, sizeof(dec->intra_l_)); - - left->nz_ = 0; - left->dc_nz_ = 0; - token_br = &dec->parts_[dec->mb_y_ & (dec->num_parts_ - 1)]; - - for (dec->mb_x_ = 0; dec->mb_x_ < dec->mb_w_; dec->mb_x_++) { - VP8MB* const info = dec->mb_info_ + dec->mb_x_; - - // Note: we don't save segment map (yet), as we don't expect - // to decode more than 1 keyframe. - if (dec->segment_hdr_.update_map_) { - // Hardcoded tree parsing - dec->segment_ = !VP8GetBit(br, dec->proba_.segments_[0]) ? - VP8GetBit(br, dec->proba_.segments_[1]) : - 2 + VP8GetBit(br, dec->proba_.segments_[2]); - } - info->skip_ = dec->use_skip_proba_ ? VP8GetBit(br, dec->skip_p_) : 0; - - VP8ParseIntraMode(br, dec); - - if (!info->skip_) { - if (!ParseResiduals(dec, info, token_br)) { - return VP8SetError(dec, VP8_STATUS_BITSTREAM_ERROR, - "Residual parsing failed."); - } - } else { - left->nz_ = info->nz_ = 0; - if (!dec->is_i4x4_) { - left->dc_nz_ = info->dc_nz_ = 0; - } - dec->non_zero_ = 0; - dec->non_zero_ac_ = 0; - } - VP8ReconstructBlock(dec); - - // Store data and save block's filtering params - VP8StoreBlock(dec); - } - if (!VP8FinishRow(dec, io)) { - return VP8SetError(dec, VP8_STATUS_USER_ABORT, - "Output aborted."); - } - if (dec->br_.eof_ || token_br->eof_) { - return VP8SetError(dec, VP8_STATUS_NOT_ENOUGH_DATA, - "Premature end-of-file encountered."); - } - } - - // Finish -#ifndef ONLY_KEYFRAME_CODE - if (!dec->update_proba_) { - dec->proba_ = dec->proba_saved_; - } -#endif - - return 1; -} - -// Main entry point -int VP8Decode(VP8Decoder* const dec, VP8Io* const io) { - if (dec == NULL) { - return 0; - } - if (io == NULL) { - return VP8SetError(dec, VP8_STATUS_INVALID_PARAM, - "NULL VP8Io parameter in VP8Decode()."); - } - - if (!dec->ready_) { - if (!VP8GetHeaders(dec, io)) { - return 0; - } - } - assert(dec->ready_); - - // will allocate memory and prepare everything. - if (!VP8InitFrame(dec, io)) { - VP8Clear(dec); - return VP8SetError(dec, VP8_STATUS_OUT_OF_MEMORY, - "Allocation failed"); - } - - if (io->setup && !io->setup(io)) { - VP8Clear(dec); - return VP8SetError(dec, VP8_STATUS_USER_ABORT, - "Frame setup failed"); - } - - // Disable filtering per user request (_after_ setup() is called) - if (io->bypass_filtering) dec->filter_type_ = 0; - - // Main decoding loop - { - const int ret = ParseFrame(dec, io); - if (io->teardown) { - io->teardown(io); - } - if (!ret) { - VP8Clear(dec); - return 0; - } - } - - dec->ready_ = 0; - return 1; -} - -void VP8Clear(VP8Decoder* const dec) { - if (dec == NULL) { - return; - } - if (dec->mem_) { - free(dec->mem_); - } - dec->mem_ = NULL; - dec->mem_size_ = 0; - memset(&dec->br_, 0, sizeof(dec->br_)); - dec->ready_ = 0; -} diff --git a/src/add-ons/translators/webp/libwebp/dec/vp8i.h b/src/add-ons/translators/webp/libwebp/dec/vp8i.h deleted file mode 100644 index 3e5ee889f5..0000000000 --- a/src/add-ons/translators/webp/libwebp/dec/vp8i.h +++ /dev/null @@ -1,317 +0,0 @@ -// Copyright 2010 Google Inc. -// -// This code is licensed under the same terms as WebM: -// Software License Agreement: http://www.webmproject.org/license/software/ -// Additional IP Rights Grant: http://www.webmproject.org/license/additional/ -// ----------------------------------------------------------------------------- -// -// VP8 decoder: internal header. -// -// Author: Skal (pascal.massimino@gmail.com) - -#ifndef WEBP_DEC_VP8I_H_ -#define WEBP_DEC_VP8I_H_ - -#include // for memcpy() -#include "bits.h" - -#if defined(__cplusplus) || defined(c_plusplus) -extern "C" { -#endif - -//----------------------------------------------------------------------------- -// Various defines and enums - -#define ONLY_KEYFRAME_CODE // to remove any code related to P-Frames - -// intra prediction modes -enum { B_DC_PRED = 0, // 4x4 modes - B_TM_PRED, - B_VE_PRED, - B_HE_PRED, - B_RD_PRED, - B_VR_PRED, - B_LD_PRED, - B_VL_PRED, - B_HD_PRED, - B_HU_PRED, - NUM_BMODES = B_HU_PRED + 1 - B_DC_PRED, // = 10 - - // Luma16 or UV modes - DC_PRED = B_DC_PRED, V_PRED = B_VE_PRED, - H_PRED = B_HE_PRED, TM_PRED = B_TM_PRED, - B_PRED = NUM_BMODES, // refined I4x4 mode - - // special modes - B_DC_PRED_NOTOP = 4, - B_DC_PRED_NOLEFT = 5, - B_DC_PRED_NOTOPLEFT = 6 }; - -enum { MB_FEATURE_TREE_PROBS = 3, - NUM_MB_SEGMENTS = 4, - NUM_REF_LF_DELTAS = 4, - NUM_MODE_LF_DELTAS = 4, // I4x4, ZERO, *, SPLIT - MAX_NUM_PARTITIONS = 8, - // Probabilities - NUM_TYPES = 4, - NUM_BANDS = 8, - NUM_CTX = 3, - NUM_PROBAS = 11, - NUM_MV_PROBAS = 19 }; - -// YUV-cache parameters. -// Constraints are: We need to store one 16x16 block of luma samples (y), -// and two 8x8 chroma blocks (u/v). These are better be 16-bytes aligned, -// in order to be SIMD-friendly. We also need to store the top, left and -// top-left samples (from previously decoded blocks), along with four -// extra top-right samples for luma (intra4x4 prediction only). -// One possible layout is, using 32 * (17 + 9) bytes: -// -// .+------ <- only 1 pixel high -// .|yyyyt. -// .|yyyyt. -// .|yyyyt. -// .|yyyy.. -// .+--.+-- <- only 1 pixel high -// .|uu.|vv -// .|uu.|vv -// -// Every character is a 4x4 block, with legend: -// '.' = unused -// 'y' = y-samples 'u' = u-samples 'v' = u-samples -// '|' = left sample, '-' = top sample, '+' = top-left sample -// 't' = extra top-right sample for 4x4 modes -// With this layout, BPS (=Bytes Per Scan-line) is one cacheline size. -#define BPS 32 // this is the common stride used by yuv[] -#define YUV_SIZE (BPS * 17 + BPS * 9) -#define Y_SIZE (BPS * 17) -#define Y_OFF (BPS * 1 + 8) -#define U_OFF (Y_OFF + BPS * 16 + BPS) -#define V_OFF (U_OFF + 16) - -//----------------------------------------------------------------------------- -// Headers - -typedef struct { - uint8_t key_frame_; - uint8_t profile_; - uint8_t show_; - uint32_t partition_length_; -} VP8FrameHeader; - -typedef struct { - uint16_t width_; - uint16_t height_; - uint8_t xscale_; - uint8_t yscale_; - uint8_t colorspace_; // 0 = YCbCr - uint8_t clamp_type_; -} VP8PictureHeader; - -// segment features -typedef struct { - int use_segment_; - int update_map_; // whether to update the segment map or not - int absolute_delta_; // absolute or delta values for quantizer and filter - int8_t quantizer_[NUM_MB_SEGMENTS]; // quantization changes - int8_t filter_strength_[NUM_MB_SEGMENTS]; // filter strength for segments -} VP8SegmentHeader; - -// Struct collecting all frame-persistent probabilities. -typedef struct { - uint8_t segments_[MB_FEATURE_TREE_PROBS]; - // Type: 0:Intra16-AC 1:Intra16-DC 2:Chroma 3:Intra4 - uint8_t coeffs_[NUM_TYPES][NUM_BANDS][NUM_CTX][NUM_PROBAS]; -#ifndef ONLY_KEYFRAME_CODE - uint8_t ymode_[4], uvmode_[3]; - uint8_t mv_[2][NUM_MV_PROBAS]; -#endif -} VP8Proba; - -// Filter parameters -typedef struct { - int simple_; // 0=complex, 1=simple - int level_; // [0..63] - int sharpness_; // [0..7] - int use_lf_delta_; - int ref_lf_delta_[NUM_REF_LF_DELTAS]; - int mode_lf_delta_[NUM_MODE_LF_DELTAS]; -} VP8FilterHeader; - -//----------------------------------------------------------------------------- -// Informations about the macroblocks. - -typedef struct { - // block type - uint8_t skip_:1; - // filter specs - uint8_t f_level_:6; // filter strength: 0..63 - uint8_t f_ilevel_:6; // inner limit: 1..63 - uint8_t f_inner_:1; // do inner filtering? - // cbp - uint8_t nz_; // non-zero AC/DC coeffs - uint8_t dc_nz_; // non-zero DC coeffs -} VP8MB; - -// Dequantization matrices -typedef struct { - uint16_t y1_mat_[2], y2_mat_[2], uv_mat_[2]; // [DC / AC] -} VP8QuantMatrix; - -//----------------------------------------------------------------------------- -// VP8Decoder: the main opaque structure handed over to user - -struct VP8Decoder { - VP8StatusCode status_; - int ready_; // true if ready to decode a picture with VP8Decode() - const char* error_msg_; // set when status_ is not OK. - - // Main data source - VP8BitReader br_; - - // headers - VP8FrameHeader frm_hdr_; - VP8PictureHeader pic_hdr_; - VP8FilterHeader filter_hdr_; - VP8SegmentHeader segment_hdr_; - - // dimension, in macroblock units. - int mb_w_, mb_h_; - - // number of partitions. - int num_parts_; - // per-partition boolean decoders. - VP8BitReader parts_[MAX_NUM_PARTITIONS]; - - // buffer refresh flags - // bit 0: refresh Gold, bit 1: refresh Alt - // bit 2-3: copy to Gold, bit 4-5: copy to Alt - // bit 6: Gold sign bias, bit 7: Alt sign bias - // bit 8: refresh last frame - uint32_t buffer_flags_; - - // dequantization (one set of DC/AC dequant factor per segment) - VP8QuantMatrix dqm_[NUM_MB_SEGMENTS]; - - // probabilities - VP8Proba proba_; - int use_skip_proba_; - uint8_t skip_p_; -#ifndef ONLY_KEYFRAME_CODE - uint8_t intra_p_, last_p_, golden_p_; - VP8Proba proba_saved_; - int update_proba_; -#endif - - // Boundary data cache and persistent buffers. - uint8_t* intra_t_; // top intra modes values: 4 * mb_w_ - uint8_t intra_l_[4]; // left intra modes values - uint8_t *y_t_; // top luma samples: 16 * mb_w_ - uint8_t *u_t_, *v_t_; // top u/v samples: 8 * mb_w_ each - - VP8MB* mb_info_; // contextual macroblock infos (mb_w_ + 1) - uint8_t* yuv_b_; // main block for Y/U/V (size = YUV_SIZE) - int16_t* coeffs_; // 384 coeffs = (16+8+8) * 4*4 - - uint8_t* cache_y_; // macroblock row for storing unfiltered samples - uint8_t* cache_u_; - uint8_t* cache_v_; - int cache_y_stride_; - int cache_uv_stride_; - - // main memory chunk for the above data. Persistent. - void* mem_; - int mem_size_; - - // Per macroblock non-persistent infos. - int mb_x_, mb_y_; // current position, in macroblock units - uint8_t is_i4x4_; // true if intra4x4 - uint8_t imodes_[16]; // one 16x16 mode (#0) or sixteen 4x4 modes - uint8_t uvmode_; // chroma prediction mode - uint8_t segment_; // block's segment - - // bit-wise info about the content of each sub-4x4 blocks: there are 16 bits - // for luma (bits #0->#15), then 4 bits for chroma-u (#16->#19) and 4 bits for - // chroma-v (#20->#23), each corresponding to one 4x4 block in decoding order. - // If the bit is set, the 4x4 block contains some non-zero coefficients. - uint32_t non_zero_; - uint32_t non_zero_ac_; - - // Filtering side-info - int filter_type_; // 0=off, 1=simple, 2=complex - uint8_t filter_levels_[NUM_MB_SEGMENTS]; // precalculated per-segment -}; - -//----------------------------------------------------------------------------- -// internal functions. Not public. - -// in vp8.c -int VP8SetError(VP8Decoder* const dec, - VP8StatusCode error, const char * const msg); - -// in tree.c -void VP8ResetProba(VP8Proba* const proba); -void VP8ParseProba(VP8BitReader* const br, VP8Decoder* const dec); -void VP8ParseIntraMode(VP8BitReader* const br, VP8Decoder* const dec); - -// in quant.c -void VP8ParseQuant(VP8Decoder* const dec); - -// in frame.c -int VP8InitFrame(VP8Decoder* const dec, VP8Io* io); -// Predict a block and add residual -void VP8ReconstructBlock(VP8Decoder* const dec); -// Store a block, along with filtering params -void VP8StoreBlock(VP8Decoder* const dec); -// Finalize and transmit a complete row. Return false in case of user-abort. -int VP8FinishRow(VP8Decoder* const dec, VP8Io* io); - -// in dsp.c -typedef void (*VP8Idct)(const int16_t* coeffs, uint8_t* dst); -extern VP8Idct VP8Transform; -extern VP8Idct VP8TransformUV; -extern VP8Idct VP8TransformDC; -extern VP8Idct VP8TransformDCUV; -extern void (*VP8TransformWHT)(const int16_t* in, int16_t* out); - -// *dst is the destination block, with stride BPS. Boundary samples are -// assumed accessible when needed. -typedef void (*VP8PredFunc)(uint8_t *dst); -extern VP8PredFunc VP8PredLuma16[7]; -extern VP8PredFunc VP8PredChroma8[7]; -extern VP8PredFunc VP8PredLuma4[11]; - -void VP8DspInit(); // must be called before anything using the above -void VP8DspInitTables(); // needs to be called no matter what. - -// simple filter (only for luma) -typedef void (*VP8SimpleFilterFunc)(uint8_t* p, int stride, int thresh); -extern VP8SimpleFilterFunc VP8SimpleVFilter16; -extern VP8SimpleFilterFunc VP8SimpleHFilter16; -extern VP8SimpleFilterFunc VP8SimpleVFilter16i; // filter 3 inner edges -extern VP8SimpleFilterFunc VP8SimpleHFilter16i; - -// regular filter (on both macroblock edges and inner edges) -typedef void (*VP8LumaFilterFunc)(uint8_t* luma, int stride, - int thresh, int ithresh, int hev_t); -typedef void (*VP8ChromaFilterFunc)(uint8_t* u, uint8_t* v, int stride, - int thresh, int ithresh, int hev_t); -// on outter edge -extern VP8LumaFilterFunc VP8VFilter16; -extern VP8LumaFilterFunc VP8HFilter16; -extern VP8ChromaFilterFunc VP8VFilter8; -extern VP8ChromaFilterFunc VP8HFilter8; - -// on inner edge -extern VP8LumaFilterFunc VP8VFilter16i; // filtering 3 inner edges altogether -extern VP8LumaFilterFunc VP8HFilter16i; -extern VP8ChromaFilterFunc VP8VFilter8i; // filtering u and v altogether -extern VP8ChromaFilterFunc VP8HFilter8i; - -//----------------------------------------------------------------------------- - -#if defined(__cplusplus) || defined(c_plusplus) -} // extern "C" -#endif - -#endif // WEBP_DEC_VP8I_H_ diff --git a/src/add-ons/translators/webp/libwebp/dec/webp.c b/src/add-ons/translators/webp/libwebp/dec/webp.c deleted file mode 100644 index a3886d1138..0000000000 --- a/src/add-ons/translators/webp/libwebp/dec/webp.c +++ /dev/null @@ -1,586 +0,0 @@ -// Copyright 2010 Google Inc. -// -// This code is licensed under the same terms as WebM: -// Software License Agreement: http://www.webmproject.org/license/software/ -// Additional IP Rights Grant: http://www.webmproject.org/license/additional/ -// ----------------------------------------------------------------------------- -// -// Main decoding functions for WEBP images. -// -// Author: Skal (pascal.massimino@gmail.com) - -#include -#include "vp8i.h" -#include "yuv.h" - -#if defined(__cplusplus) || defined(c_plusplus) -extern "C" { -#endif - -#define FANCY_UPSCALING // undefined to remove fancy upscaling support - -//----------------------------------------------------------------------------- -// RIFF layout is: -// 0ffset tag -// 0...3 "RIFF" 4-byte tag -// 4...7 size of image data (including metadata) starting at offset 8 -// 8...11 "WEBP" our form-type signature -// 12..15 "VP8 ": 4-bytes tags, describing the raw video format used -// 16..19 size of the raw VP8 image data, starting at offset 20 -// 20.... the VP8 bytes -// There can be extra chunks after the "VP8 " chunk (ICMT, ICOP, ...) -// All 32-bits sizes are in little-endian order. -// Note: chunk data must be padded to multiple of 2 in size - -static inline uint32_t get_le32(const uint8_t* const data) { - return data[0] | (data[1] << 8) | (data[2] << 16) | (data[3] << 24); -} - -// If a RIFF container is detected, validate it and skip over it. -static uint32_t CheckRIFFHeader(const uint8_t** data_ptr, - uint32_t *data_size_ptr) { - uint32_t chunk_size = 0xffffffffu; - if (*data_size_ptr >= 10 + 20 && !memcmp(*data_ptr, "RIFF", 4)) { - if (memcmp(*data_ptr + 8, "WEBP", 4)) { - return 0; // wrong image file signature - } else { - const uint32_t riff_size = get_le32(*data_ptr + 4); - if (riff_size < 12) { - return 0; // we should have at least one chunk - } - if (memcmp(*data_ptr + 12, "VP8 ", 4)) { - return 0; // invalid compression format - } - chunk_size = get_le32(*data_ptr + 16); - if (chunk_size > riff_size - 12) { - return 0; // inconsistent size information. - } - // We have a RIFF container. Skip it. - *data_ptr += 20; - *data_size_ptr -= 20; - // Note: we don't report error for odd-sized chunks. - } - return chunk_size; - } - return *data_size_ptr; -} - -//----------------------------------------------------------------------------- -// Fancy upscaling - -typedef enum { MODE_RGB = 0, MODE_RGBA = 1, - MODE_BGR = 2, MODE_BGRA = 3, - MODE_YUV = 4 } CSP_MODE; - -#ifdef FANCY_UPSCALING - -// Given samples laid out in a square as: -// [a b] -// [c d] -// we interpolate u/v as: -// ([9*a + 3*b + 3*c + d 3*a + 9*b + 3*c + d] + [8 8]) / 16 -// ([3*a + b + 9*c + 3*d a + 3*b + 3*c + 9*d] [8 8]) / 16 - -// We process u and v together stashed into 32bit (16bit each). -#define LOAD_UV(u,v) ((u) | ((v) << 16)) - -#define UPSCALE_FUNC(FUNC_NAME, FUNC, XSTEP) \ -static inline void FUNC_NAME(const uint8_t* top_y, const uint8_t* bottom_y, \ - const uint8_t* top_u, const uint8_t* top_v, \ - const uint8_t* cur_u, const uint8_t* cur_v, \ - uint8_t* top_dst, uint8_t* bottom_dst, int len) { \ - int x; \ - const int last_pixel_pair = (len - 1) >> 1; \ - uint32_t tl_uv = LOAD_UV(top_u[0], top_v[0]); /* top-left sample */ \ - uint32_t l_uv = LOAD_UV(cur_u[0], cur_v[0]); /* left-sample */ \ - if (top_y) { \ - const uint32_t uv0 = (3 * tl_uv + l_uv + 0x00020002u) >> 2; \ - FUNC(top_y[0], uv0 & 0xff, (uv0 >> 16), top_dst); \ - } \ - if (bottom_y) { \ - const uint32_t uv0 = (3 * l_uv + tl_uv + 0x00020002u) >> 2; \ - FUNC(bottom_y[0], uv0 & 0xff, (uv0 >> 16), bottom_dst); \ - } \ - for (x = 1; x <= last_pixel_pair; ++x) { \ - const uint32_t t_uv = LOAD_UV(top_u[x], top_v[x]); /* top sample */ \ - const uint32_t uv = LOAD_UV(cur_u[x], cur_v[x]); /* sample */ \ - /* precompute invariant values associated with first and second diagonals*/\ - const uint32_t avg = tl_uv + t_uv + l_uv + uv + 0x00080008u; \ - const uint32_t diag_12 = (avg + 2 * (t_uv + l_uv)) >> 3; \ - const uint32_t diag_03 = (avg + 2 * (tl_uv + uv)) >> 3; \ - if (top_y) { \ - const uint32_t uv0 = (diag_12 + tl_uv) >> 1; \ - const uint32_t uv1 = (diag_03 + t_uv) >> 1; \ - FUNC(top_y[2 * x - 1], uv0 & 0xff, (uv0 >> 16), \ - top_dst + (2 * x - 1) * XSTEP); \ - FUNC(top_y[2 * x - 0], uv1 & 0xff, (uv1 >> 16), \ - top_dst + (2 * x - 0) * XSTEP); \ - } \ - if (bottom_y) { \ - const uint32_t uv0 = (diag_03 + l_uv) >> 1; \ - const uint32_t uv1 = (diag_12 + uv) >> 1; \ - FUNC(bottom_y[2 * x - 1], uv0 & 0xff, (uv0 >> 16), \ - bottom_dst + (2 * x - 1) * XSTEP); \ - FUNC(bottom_y[2 * x + 0], uv1 & 0xff, (uv1 >> 16), \ - bottom_dst + (2 * x + 0) * XSTEP); \ - } \ - tl_uv = t_uv; \ - l_uv = uv; \ - } \ - if (!(len & 1)) { \ - if (top_y) { \ - const uint32_t uv0 = (3 * tl_uv + l_uv + 0x00020002u) >> 2; \ - FUNC(top_y[len - 1], uv0 & 0xff, (uv0 >> 16), \ - top_dst + (len - 1) * XSTEP); \ - } \ - if (bottom_y) { \ - const uint32_t uv0 = (3 * l_uv + tl_uv + 0x00020002u) >> 2; \ - FUNC(bottom_y[len - 1], uv0 & 0xff, (uv0 >> 16), \ - bottom_dst + (len - 1) * XSTEP); \ - } \ - } \ -} - -// All variants implemented. -UPSCALE_FUNC(UpscaleRgbLinePair, VP8YuvToRgb, 3) -UPSCALE_FUNC(UpscaleBgrLinePair, VP8YuvToBgr, 3) -UPSCALE_FUNC(UpscaleRgbaLinePair, VP8YuvToRgba, 4) -UPSCALE_FUNC(UpscaleBgraLinePair, VP8YuvToBgra, 4) - -// Main driver function. -static inline -void UpscaleLinePair(const uint8_t* top_y, const uint8_t* bottom_y, - const uint8_t* top_u, const uint8_t* top_v, - const uint8_t* cur_u, const uint8_t* cur_v, - uint8_t* top_dst, uint8_t* bottom_dst, int len, - CSP_MODE mode) { - if (mode == MODE_RGB) { - UpscaleRgbLinePair(top_y, bottom_y, top_u, top_v, cur_u, cur_v, - top_dst, bottom_dst, len); - } else if (mode == MODE_BGR) { - UpscaleBgrLinePair(top_y, bottom_y, top_u, top_v, cur_u, cur_v, - top_dst, bottom_dst, len); - } else if (mode == MODE_RGBA) { - UpscaleRgbaLinePair(top_y, bottom_y, top_u, top_v, cur_u, cur_v, - top_dst, bottom_dst, len); - } else { - assert(mode == MODE_BGRA); - UpscaleBgraLinePair(top_y, bottom_y, top_u, top_v, cur_u, cur_v, - top_dst, bottom_dst, len); - } -} - -#undef LOAD_UV -#undef UPSCALE_FUNC - -#endif // FANCY_UPSCALING - -//----------------------------------------------------------------------------- -// Main conversion driver. - -typedef struct { - uint8_t* output; // rgb(a) or luma - uint8_t *u, *v; - uint8_t *top_y, *top_u, *top_v; - int stride; // rgb(a) stride or luma stride - int u_stride; - int v_stride; - CSP_MODE mode; -} Params; - -static int CustomPut(const VP8Io* io) { - Params *p = (Params*)io->opaque; - const int w = io->width; - const int mb_h = io->mb_h; - const int uv_w = (w + 1) / 2; - assert(!(io->mb_y & 1)); - - if (w <= 0 || mb_h <= 0) { - return 0; - } - - if (p->mode == MODE_YUV) { - uint8_t* const y_dst = p->output + io->mb_y * p->stride; - uint8_t* const u_dst = p->u + (io->mb_y >> 1) * p->u_stride; - uint8_t* const v_dst = p->v + (io->mb_y >> 1) * p->v_stride; - int j; - for (j = 0; j < mb_h; ++j) { - memcpy(y_dst + j * p->stride, io->y + j * io->y_stride, w); - } - for (j = 0; j < (mb_h + 1) / 2; ++j) { - memcpy(u_dst + j * p->u_stride, io->u + j * io->uv_stride, uv_w); - memcpy(v_dst + j * p->v_stride, io->v + j * io->uv_stride, uv_w); - } - } else { - uint8_t* dst = p->output + io->mb_y * p->stride; - if (io->fancy_upscaling) { -#ifdef FANCY_UPSCALING - const uint8_t* cur_y = io->y; - const uint8_t* cur_u = io->u; - const uint8_t* cur_v = io->v; - const uint8_t* top_u = p->top_u; - const uint8_t* top_v = p->top_v; - int y = io->mb_y; - int y_end = io->mb_y + io->mb_h; - if (y == 0) { - // First line is special cased. We mirror the u/v samples at boundary. - UpscaleLinePair(NULL, cur_y, cur_u, cur_v, cur_u, cur_v, - NULL, dst, w, p->mode); - } else { - // We can finish the left-over line from previous call - UpscaleLinePair(p->top_y, cur_y, top_u, top_v, cur_u, cur_v, - dst - p->stride, dst, w, p->mode); - } - // Loop over each output pairs of row. - for (; y + 2 < y_end; y += 2) { - top_u = cur_u; - top_v = cur_v; - cur_u += io->uv_stride; - cur_v += io->uv_stride; - dst += 2 * p->stride; - cur_y += 2 * io->y_stride; - UpscaleLinePair(cur_y - io->y_stride, cur_y, - top_u, top_v, cur_u, cur_v, - dst - p->stride, dst, w, p->mode); - } - // move to last row - cur_y += io->y_stride; - if (y_end != io->height) { - // Save the unfinished samples for next call (as we're not done yet). - memcpy(p->top_y, cur_y, w * sizeof(*p->top_y)); - memcpy(p->top_u, cur_u, uv_w * sizeof(*p->top_u)); - memcpy(p->top_v, cur_v, uv_w * sizeof(*p->top_v)); - } else { - // Process the very last row of even-sized picture - if (!(y_end & 1)) { - UpscaleLinePair(cur_y, NULL, cur_u, cur_v, cur_u, cur_v, - dst + p->stride, NULL, w, p->mode); - } - } -#else - assert(0); // shouldn't happen. -#endif - } else { - // Point-sampling U/V upscaler. - int j; - for (j = 0; j < mb_h; ++j) { - const uint8_t* y_src = io->y + j * io->y_stride; - int i; - for (i = 0; i < w; ++i) { - const int y = y_src[i]; - const int u = io->u[(j / 2) * io->uv_stride + (i / 2)]; - const int v = io->v[(j / 2) * io->uv_stride + (i / 2)]; - if (p->mode == MODE_RGB) { - VP8YuvToRgb(y, u, v, dst + i * 3); - } else if (p->mode == MODE_BGR) { - VP8YuvToBgr(y, u, v, dst + i * 3); - } else if (p->mode == MODE_RGBA) { - VP8YuvToRgba(y, u, v, dst + i * 4); - } else { - VP8YuvToBgra(y, u, v, dst + i * 4); - } - } - dst += p->stride; - } - } - } - return 1; -} - -//----------------------------------------------------------------------------- - -static int CustomSetup(VP8Io* io) { -#ifdef FANCY_UPSCALING - Params *p = (Params*)io->opaque; - p->top_y = p->top_u = p->top_v = NULL; - if (p->mode != MODE_YUV) { - const int uv_width = (io->width + 1) >> 1; - p->top_y = (uint8_t*)malloc(io->width + 2 * uv_width); - if (p->top_y == NULL) { - return 0; // memory error. - } - p->top_u = p->top_y + io->width; - p->top_v = p->top_u + uv_width; - io->fancy_upscaling = 1; // activate fancy upscaling - } -#endif - return 1; -} - -static void CustomTeardown(const VP8Io* io) { -#ifdef FANCY_UPSCALING - Params *p = (Params*)io->opaque; - if (p->top_y) { - free(p->top_y); - p->top_y = p->top_u = p->top_v = NULL; - } -#endif -} - -//----------------------------------------------------------------------------- -// "Into" variants - -static uint8_t* DecodeInto(CSP_MODE mode, - const uint8_t* data, uint32_t data_size, - Params* params, int output_size, - int output_u_size, int output_v_size) { - VP8Decoder* dec = VP8New(); - VP8Io io; - int ok = 1; - - if (dec == NULL) { - return NULL; - } - - VP8InitIo(&io); - io.data = data; - io.data_size = data_size; - - params->mode = mode; - io.opaque = params; - io.put = CustomPut; - io.setup = CustomSetup; - io.teardown = CustomTeardown; - - if (!VP8GetHeaders(dec, &io)) { - VP8Delete(dec); - return NULL; - } - // check output buffers - - ok &= (params->stride * io.height <= output_size); - if (mode == MODE_RGB || mode == MODE_BGR) { - ok &= (params->stride >= io.width * 3); - } else if (mode == MODE_RGBA || mode == MODE_BGRA) { - ok &= (params->stride >= io.width * 4); - } else { - // some extra checks for U/V - const int u_size = params->u_stride * ((io.height + 1) / 2); - const int v_size = params->v_stride * ((io.height + 1) / 2); - ok &= (params->stride >= io.width); - ok &= (params->u_stride >= (io.width + 1) / 2) && - (params->v_stride >= (io.width + 1) / 2); - ok &= (u_size <= output_u_size && v_size <= output_v_size); - } - if (!ok) { - VP8Delete(dec); - return NULL; - } - - if (mode != MODE_YUV) { - VP8YUVInit(); - } - - ok = VP8Decode(dec, &io); - VP8Delete(dec); - return ok ? params->output : NULL; -} - -uint8_t* WebPDecodeRGBInto(const uint8_t* data, uint32_t data_size, - uint8_t* output, int output_size, - int output_stride) { - Params params; - - if (output == NULL) { - return NULL; - } - - params.output = output; - params.stride = output_stride; - return DecodeInto(MODE_RGB, data, data_size, ¶ms, output_size, 0, 0); -} - -uint8_t* WebPDecodeRGBAInto(const uint8_t* data, uint32_t data_size, - uint8_t* output, int output_size, - int output_stride) { - Params params; - - if (output == NULL) { - return NULL; - } - - params.output = output; - params.stride = output_stride; - return DecodeInto(MODE_RGBA, data, data_size, ¶ms, output_size, 0, 0); -} - -uint8_t* WebPDecodeBGRInto(const uint8_t* data, uint32_t data_size, - uint8_t* output, int output_size, - int output_stride) { - Params params; - - if (output == NULL) { - return NULL; - } - - params.output = output; - params.stride = output_stride; - return DecodeInto(MODE_BGR, data, data_size, ¶ms, output_size, 0, 0); -} - -uint8_t* WebPDecodeBGRAInto(const uint8_t* data, uint32_t data_size, - uint8_t* output, int output_size, - int output_stride) { - Params params; - - if (output == NULL) { - return NULL; - } - - params.output = output; - params.stride = output_stride; - return DecodeInto(MODE_BGRA, data, data_size, ¶ms, output_size, 0, 0); -} - -uint8_t* WebPDecodeYUVInto(const uint8_t* data, uint32_t data_size, - uint8_t* luma, int luma_size, int luma_stride, - uint8_t* u, int u_size, int u_stride, - uint8_t* v, int v_size, int v_stride) { - Params params; - - if (luma == NULL) { - return NULL; - } - - params.output = luma; - params.stride = luma_stride; - params.u = u; - params.u_stride = u_stride; - params.v = v; - params.v_stride = v_stride; - return DecodeInto(MODE_YUV, data, data_size, ¶ms, - luma_size, u_size, v_size); -} - -//----------------------------------------------------------------------------- - -static uint8_t* Decode(CSP_MODE mode, const uint8_t* data, uint32_t data_size, - int* width, int* height, Params* params_out) { - int w, h, stride; - int uv_size = 0; - int uv_stride = 0; - int size; - uint8_t* output; - Params params = { 0 }; - - if (!WebPGetInfo(data, data_size, &w, &h)) { - return NULL; - } - if (width) *width = w; - if (height) *height = h; - - // initialize output buffer, now that dimensions are known. - stride = (mode == MODE_RGB || mode == MODE_BGR) ? 3 * w - : (mode == MODE_RGBA || mode == MODE_BGRA) ? 4 * w - : w; - size = stride * h; - - if (mode == MODE_YUV) { - uv_stride = (w + 1) / 2; - uv_size = uv_stride * ((h + 1) / 2); - } - - output = (uint8_t*)malloc(size + 2 * uv_size); - if (!output) { - return NULL; - } - - params.output = output; - params.stride = stride; - if (mode == MODE_YUV) { - params.u = output + size; - params.u_stride = uv_stride; - params.v = output + size + uv_size; - params.v_stride = uv_stride; - } - if (params_out) *params_out = params; - return DecodeInto(mode, data, data_size, ¶ms, size, uv_size, uv_size); -} - -uint8_t* WebPDecodeRGB(const uint8_t* data, uint32_t data_size, - int *width, int *height) { - return Decode(MODE_RGB, data, data_size, width, height, NULL); -} - -uint8_t* WebPDecodeRGBA(const uint8_t* data, uint32_t data_size, - int *width, int *height) { - return Decode(MODE_RGBA, data, data_size, width, height, NULL); -} - -uint8_t* WebPDecodeBGR(const uint8_t* data, uint32_t data_size, - int *width, int *height) { - return Decode(MODE_BGR, data, data_size, width, height, NULL); -} - -uint8_t* WebPDecodeBGRA(const uint8_t* data, uint32_t data_size, - int *width, int *height) { - return Decode(MODE_BGRA, data, data_size, width, height, NULL); -} - -uint8_t* WebPDecodeYUV(const uint8_t* data, uint32_t data_size, - int *width, int *height, uint8_t** u, uint8_t** v, - int *stride, int* uv_stride) { - Params params; - uint8_t* const out = Decode(MODE_YUV, data, data_size, - width, height, ¶ms); - - if (out) { - *u = params.u; - *v = params.v; - *stride = params.stride; - *uv_stride = params.u_stride; - assert(params.u_stride == params.v_stride); - } - return out; -} - -//----------------------------------------------------------------------------- -// WebPGetInfo() - -int WebPGetInfo(const uint8_t* data, uint32_t data_size, - int *width, int *height) { - const uint32_t chunk_size = CheckRIFFHeader(&data, &data_size); - if (!chunk_size) { - return 0; // unsupported RIFF header - } - // Validate raw video data - if (data_size < 10) { - return 0; // not enough data - } - // check signature - if (data[3] != 0x9d || data[4] != 0x01 || data[5] != 0x2a) { - return 0; // Wrong signature. - } else { - const uint32_t bits = data[0] | (data[1] << 8) | (data[2] << 16); - const int key_frame = !(bits & 1); - const int w = ((data[7] << 8) | data[6]) & 0x3fff; - const int h = ((data[9] << 8) | data[8]) & 0x3fff; - - if (!key_frame) { // Not a keyframe. - return 0; - } - - if (((bits >> 1) & 7) > 3) { - return 0; // unknown profile - } - if (!((bits >> 4) & 1)) { - return 0; // first frame is invisible! - } - if (((bits >> 5)) >= chunk_size) { // partition_length - return 0; // inconsistent size information. - } - - if (width) { - *width = w; - } - if (height) { - *height = h; - } - - return 1; - } -} - -#if defined(__cplusplus) || defined(c_plusplus) -} // extern "C" -#endif diff --git a/src/add-ons/translators/webp/libwebp/dec/yuv.c b/src/add-ons/translators/webp/libwebp/dec/yuv.c deleted file mode 100644 index 30f59c132d..0000000000 --- a/src/add-ons/translators/webp/libwebp/dec/yuv.c +++ /dev/null @@ -1,46 +0,0 @@ -// Copyright 2010 Google Inc. -// -// This code is licensed under the same terms as WebM: -// Software License Agreement: http://www.webmproject.org/license/software/ -// Additional IP Rights Grant: http://www.webmproject.org/license/additional/ -// ----------------------------------------------------------------------------- -// -// YUV->RGB conversion function -// -// Author: Skal (pascal.massimino@gmail.com) - -#include "yuv.h" - -#if defined(__cplusplus) || defined(c_plusplus) -extern "C" { -#endif - -enum { YUV_HALF = 1 << (YUV_FIX - 1) }; - -int16_t VP8kVToR[256], VP8kUToB[256]; -int32_t VP8kVToG[256], VP8kUToG[256]; -uint8_t VP8kClip[YUV_RANGE_MAX - YUV_RANGE_MIN]; - -static int done = 0; - -void VP8YUVInit() { - int i; - if (done) { - return; - } - for (i = 0; i < 256; ++i) { - VP8kVToR[i] = (89858 * (i - 128) + YUV_HALF) >> YUV_FIX; - VP8kUToG[i] = -22014 * (i - 128) + YUV_HALF; - VP8kVToG[i] = -45773 * (i - 128); - VP8kUToB[i] = (113618 * (i - 128) + YUV_HALF) >> YUV_FIX; - } - for (i = YUV_RANGE_MIN; i < YUV_RANGE_MAX; ++i) { - const int k = ((i - 16) * 76283 + YUV_HALF) >> YUV_FIX; - VP8kClip[i - YUV_RANGE_MIN] = (k < 0) ? 0 : (k > 255) ? 255 : k; - } - done = 1; -} - -#if defined(__cplusplus) || defined(c_plusplus) -} // extern "C" -#endif diff --git a/src/add-ons/translators/webp/libwebp/dec/yuv.h b/src/add-ons/translators/webp/libwebp/dec/yuv.h deleted file mode 100644 index 039427ba6f..0000000000 --- a/src/add-ons/translators/webp/libwebp/dec/yuv.h +++ /dev/null @@ -1,66 +0,0 @@ -// Copyright 2010 Google Inc. -// -// This code is licensed under the same terms as WebM: -// Software License Agreement: http://www.webmproject.org/license/software/ -// Additional IP Rights Grant: http://www.webmproject.org/license/additional/ -// ----------------------------------------------------------------------------- -// -// inline YUV->RGB conversion function -// -// Author: Skal (pascal.massimino@gmail.com) - -#ifndef WEBP_DEC_YUV_H_ -#define WEBP_DEC_YUV_H_ - -#include "webp/decode_vp8.h" - -#if defined(__cplusplus) || defined(c_plusplus) -extern "C" { -#endif - -enum { YUV_FIX = 16, // fixed-point precision - YUV_RANGE_MIN = -227, // min value of r/g/b output - YUV_RANGE_MAX = 256 + 226 // max value of r/g/b output -}; -extern int16_t VP8kVToR[256], VP8kUToB[256]; -extern int32_t VP8kVToG[256], VP8kUToG[256]; -extern uint8_t VP8kClip[YUV_RANGE_MAX - YUV_RANGE_MIN]; - -inline static void VP8YuvToRgb(uint8_t y, uint8_t u, uint8_t v, - uint8_t* const rgb) { - const int r_off = VP8kVToR[v]; - const int g_off = (VP8kVToG[v] + VP8kUToG[u]) >> YUV_FIX; - const int b_off = VP8kUToB[u]; - rgb[0] = VP8kClip[y + r_off - YUV_RANGE_MIN]; - rgb[1] = VP8kClip[y + g_off - YUV_RANGE_MIN]; - rgb[2] = VP8kClip[y + b_off - YUV_RANGE_MIN]; -} - -inline static void VP8YuvToRgba(int y, int u, int v, uint8_t* const rgba) { - VP8YuvToRgb(y, u, v, rgba); - rgba[3] = 0xff; -} - -inline static void VP8YuvToBgr(uint8_t y, uint8_t u, uint8_t v, - uint8_t* const bgr) { - const int r_off = VP8kVToR[v]; - const int g_off = (VP8kVToG[v] + VP8kUToG[u]) >> YUV_FIX; - const int b_off = VP8kUToB[u]; - bgr[0] = VP8kClip[y + b_off - YUV_RANGE_MIN]; - bgr[1] = VP8kClip[y + g_off - YUV_RANGE_MIN]; - bgr[2] = VP8kClip[y + r_off - YUV_RANGE_MIN]; -} - -inline static void VP8YuvToBgra(int y, int u, int v, uint8_t* const bgra) { - VP8YuvToBgr(y, u, v, bgra); - bgra[3] = 0xff; -} - -// Must be called before everything, to initialize the tables. -void VP8YUVInit(); - -#if defined(__cplusplus) || defined(c_plusplus) -} // extern "C" -#endif - -#endif // WEBP_DEC_YUV_H_ diff --git a/src/add-ons/translators/webp/libwebp/enc/Jamfile b/src/add-ons/translators/webp/libwebp/enc/Jamfile deleted file mode 100644 index 974ef57149..0000000000 --- a/src/add-ons/translators/webp/libwebp/enc/Jamfile +++ /dev/null @@ -1,20 +0,0 @@ -SubDir HAIKU_TOP src add-ons translators webp libwebp enc ; - -SubDirHdrs [ FDirName $(SUBDIR) $(DOTDOT) ] ; -SubDirHdrs [ FDirName $(SUBDIR) $(DOTDOT) webp ] ; - -MergeObject webpencode.o : - analysis.c - bit_writer.c - config.c - cost.c - dsp.c - filter.c - frame.c - iterator.c - picture.c - quant.c - syntax.c - tree.c - webpenc.c -; diff --git a/src/add-ons/translators/webp/libwebp/enc/analysis.c b/src/add-ons/translators/webp/libwebp/enc/analysis.c deleted file mode 100644 index 41e12e871f..0000000000 --- a/src/add-ons/translators/webp/libwebp/enc/analysis.c +++ /dev/null @@ -1,399 +0,0 @@ -// Copyright 2011 Google Inc. -// -// This code is licensed under the same terms as WebM: -// Software License Agreement: http://www.webmproject.org/license/software/ -// Additional IP Rights Grant: http://www.webmproject.org/license/additional/ -// ----------------------------------------------------------------------------- -// -// Macroblock analysis -// -// Author: Skal (pascal.massimino@gmail.com) - -#include -#include -#include - -#include "vp8enci.h" -#include "cost.h" - -#if defined(__cplusplus) || defined(c_plusplus) -extern "C" { -#endif - -#define MAX_COEFF_THRESH 64 -#define MAX_ITERS_K_MEANS 6 - -//----------------------------------------------------------------------------- -// Compute susceptibility based on DCT-coeff histograms: -// the higher, the "easier" the macroblock is to compress. - -static int ClipAlpha(int alpha) { - return alpha < 0 ? 0 : alpha > 255 ? 255 : alpha; -} - -static int GetAlpha(const int histo[MAX_COEFF_THRESH]) { - int num = 0, den = 0, val = 0; - int k; - int alpha; - for (k = 0; k < MAX_COEFF_THRESH; ++k) { - if (histo[k]) { - val += histo[k]; - num += val * (k + 1); - den += (k + 1) * (k + 1); - } - } - // we scale the value to a usable [0..255] range - alpha = den ? 10 * num / den - 5 : 0; - return ClipAlpha(alpha); -} - -static int CollectHistogram(const uint8_t* ref, const uint8_t* pred, - int start_block, int end_block) { - int histo[MAX_COEFF_THRESH] = { 0 }; - int16_t out[16]; - int j, k; - for (j = start_block; j < end_block; ++j) { - VP8FTransform(ref + VP8Scan[j], pred + VP8Scan[j], out); - for (k = 0; k < 16; ++k) { - const int v = abs(out[k]) >> 2; - if (v) { - const int bin = (v > MAX_COEFF_THRESH) ? MAX_COEFF_THRESH : v; - histo[bin - 1]++; - } - } - } - return GetAlpha(histo); -} - -//----------------------------------------------------------------------------- -// Smooth the segment map by replacing isolated block by the majority of its -// neighbours. - -static void SmoothSegmentMap(VP8Encoder* const enc) { - int n, x, y; - const int w = enc->mb_w_; - const int h = enc->mb_h_; - const int majority_cnt_3_x_3_grid = 5; - uint8_t* tmp = (uint8_t*)malloc(w * h * sizeof(uint8_t)); - - if (tmp == NULL) return; - for (y = 1; y < h - 1; ++y) { - for (x = 1; x < w - 1; ++x) { - int cnt[NUM_MB_SEGMENTS] = { 0 }; - const VP8MBInfo* const mb = &enc->mb_info_[x + w * y]; - int majority_seg = mb->segment_; - // Check the 8 neighbouring segment values. - cnt[mb[-w - 1].segment_]++; // top-left - cnt[mb[-w + 0].segment_]++; // top - cnt[mb[-w + 1].segment_]++; // top-right - cnt[mb[ - 1].segment_]++; // left - cnt[mb[ + 1].segment_]++; // right - cnt[mb[ w - 1].segment_]++; // bottom-left - cnt[mb[ w + 0].segment_]++; // bottom - cnt[mb[ w + 1].segment_]++; // bottom-right - for (n = 0; n < NUM_MB_SEGMENTS; ++n) { - if (cnt[n] >= majority_cnt_3_x_3_grid) { - majority_seg = n; - } - } - tmp[x + y * w] = majority_seg; - } - } - for (y = 1; y < h - 1; ++y) { - for (x = 1; x < w - 1; ++x) { - VP8MBInfo* const mb = &enc->mb_info_[x + w * y]; - mb->segment_ = tmp[x + y * w]; - } - } - free(tmp); -} - -//----------------------------------------------------------------------------- -// Finalize Segment probability based on the coding tree - -static int GetProba(int a, int b) { - int proba; - const int total = a + b; - if (total == 0) return 255; // that's the default probability. - proba = (255 * a + total / 2) / total; - return proba; -} - -static void SetSegmentProbas(VP8Encoder* const enc) { - int p[NUM_MB_SEGMENTS] = { 0 }; - int n; - - for (n = 0; n < enc->mb_w_ * enc->mb_h_; ++n) { - const VP8MBInfo* const mb = &enc->mb_info_[n]; - p[mb->segment_]++; - } - if (enc->pic_->stats) { - for (n = 0; n < NUM_MB_SEGMENTS; ++n) { - enc->pic_->stats->segment_size[n] = p[n]; - } - } - if (enc->segment_hdr_.num_segments_ > 1) { - uint8_t* const probas = enc->proba_.segments_; - probas[0] = GetProba(p[0] + p[1], p[2] + p[3]); - probas[1] = GetProba(p[0], p[1]); - probas[2] = GetProba(p[2], p[3]); - - enc->segment_hdr_.update_map_ = - (probas[0] != 255) || (probas[1] != 255) || (probas[2] != 255); - enc->segment_hdr_.size_ = - p[0] * (VP8BitCost(0, probas[0]) + VP8BitCost(0, probas[1])) + - p[1] * (VP8BitCost(0, probas[0]) + VP8BitCost(1, probas[1])) + - p[2] * (VP8BitCost(1, probas[0]) + VP8BitCost(0, probas[2])) + - p[3] * (VP8BitCost(1, probas[0]) + VP8BitCost(1, probas[2])); - } else { - enc->segment_hdr_.update_map_ = 0; - enc->segment_hdr_.size_ = 0; - } -} - -static inline int clip(int v, int m, int M) { - return v < m ? m : v > M ? M : v; -} - -static void SetSegmentAlphas(VP8Encoder* const enc, - const int centers[NUM_MB_SEGMENTS], - int mid) { - const int nb = enc->segment_hdr_.num_segments_; - int min = centers[0], max = centers[0]; - int n; - - if (nb > 1) { - for (n = 0; n < nb; ++n) { - if (min > centers[n]) min = centers[n]; - if (max < centers[n]) max = centers[n]; - } - } - if (max == min) max = min + 1; - assert(mid <= max && mid >= min); - for (n = 0; n < nb; ++n) { - const int alpha = 255 * (centers[n] - mid) / (max - min); - const int beta = 255 * (centers[n] - min) / (max - min); - enc->dqm_[n].alpha_ = clip(alpha, -127, 127); - enc->dqm_[n].beta_ = clip(beta, 0, 255); - } -} - -//----------------------------------------------------------------------------- -// Simplified k-Means, to assign Nb segments based on alpha-histogram - -static void AssignSegments(VP8Encoder* const enc, const int alphas[256]) { - const int nb = enc->segment_hdr_.num_segments_; - int centers[NUM_MB_SEGMENTS]; - int weighted_average; - int map[256]; - int a, n, k; - int min_a = 0, max_a = 255, range_a; - // 'int' type is ok for histo, and won't overflow - int accum[NUM_MB_SEGMENTS], dist_accum[NUM_MB_SEGMENTS]; - - // bracket the input - for (n = 0; n < 256 && alphas[n] == 0; ++n) {} - min_a = n; - for (n = 255; n > min_a && alphas[n] == 0; --n) {} - max_a = n; - range_a = max_a - min_a; - - // Spread initial centers evenly - for (n = 1, k = 0; n < 2 * nb; n += 2) { - centers[k++] = min_a + (n * range_a) / (2 * nb); - } - - for (k = 0; k < MAX_ITERS_K_MEANS; ++k) { // few iters are enough - int total_weight; - int displaced; - // Reset stats - for (n = 0; n < nb; ++n) { - accum[n] = 0; - dist_accum[n] = 0; - } - // Assign nearest center for each 'a' - n = 0; // track the nearest center for current 'a' - for (a = min_a; a <= max_a; ++a) { - if (alphas[a]) { - while (n < nb - 1 && abs(a - centers[n + 1]) < abs(a - centers[n])) { - n++; - } - map[a] = n; - // accumulate contribution into best centroid - dist_accum[n] += a * alphas[a]; - accum[n] += alphas[a]; - } - } - // All point are classified. Move the centroids to the - // center of their respective cloud. - displaced = 0; - weighted_average = 0; - total_weight = 0; - for (n = 0; n < nb; ++n) { - if (accum[n]) { - const int new_center = (dist_accum[n] + accum[n] / 2) / accum[n]; - displaced += abs(centers[n] - new_center); - centers[n] = new_center; - weighted_average += new_center * accum[n]; - total_weight += accum[n]; - } - } - weighted_average = (weighted_average + total_weight / 2) / total_weight; - if (displaced < 5) break; // no need to keep on looping... - } - - // Map each original value to the closest centroid - for (n = 0; n < enc->mb_w_ * enc->mb_h_; ++n) { - VP8MBInfo* const mb = &enc->mb_info_[n]; - const int a = mb->alpha_; - mb->segment_ = map[a]; - mb->alpha_ = centers[map[a]]; // just for the record. - } - - if (nb > 1) { - const int smooth = (enc->config_->preprocessing & 1); - if (smooth) SmoothSegmentMap(enc); - } - - SetSegmentProbas(enc); // Assign final proba - SetSegmentAlphas(enc, centers, weighted_average); // pick some alphas. -} - -//----------------------------------------------------------------------------- -// Macroblock analysis: collect histogram for each mode, deduce the maximal -// susceptibility and set best modes for this macroblock. -// Segment assignment is done later. - -// Number of modes to inspect for alpha_ evaluation. For high-quality settings, -// we don't need to test all the possible modes during the analysis phase. -#define MAX_INTRA16_MODE 2 -#define MAX_INTRA4_MODE 2 -#define MAX_UV_MODE 2 - -static int MBAnalyzeBestIntra16Mode(VP8EncIterator* const it) { - const int max_mode = (it->enc_->method_ >= 3) ? MAX_INTRA16_MODE : 4; - int mode; - int best_alpha = -1; - int best_mode = 0; - - VP8MakeLuma16Preds(it); - for (mode = 0; mode < max_mode; ++mode) { - const int alpha = CollectHistogram(it->yuv_in_ + Y_OFF, - it->yuv_p_ + VP8I16ModeOffsets[mode], - 0, 16); - if (alpha > best_alpha) { - best_alpha = alpha; - best_mode = mode; - } - } - VP8SetIntra16Mode(it, best_mode); - return best_alpha; -} - -static int MBAnalyzeBestIntra4Mode(VP8EncIterator* const it, - int best_alpha) { - int modes[16]; - const int max_mode = (it->enc_->method_ >= 3) ? MAX_INTRA4_MODE : NUM_BMODES; - int i4_alpha = 0; - VP8IteratorStartI4(it); - do { - int mode; - int best_mode_alpha = -1; - const uint8_t* const src = it->yuv_in_ + Y_OFF + VP8Scan[it->i4_]; - - VP8MakeIntra4Preds(it); - for (mode = 0; mode < max_mode; ++mode) { - const int alpha = CollectHistogram(src, - it->yuv_p_ + VP8I4ModeOffsets[mode], - 0, 1); - if (alpha > best_mode_alpha) { - best_mode_alpha = alpha; - modes[it->i4_] = mode; - } - } - i4_alpha += best_mode_alpha; - // Note: we reuse the original samples for predictors - } while (VP8IteratorRotateI4(it, it->yuv_in_ + Y_OFF)); - - if (i4_alpha > best_alpha) { - VP8SetIntra4Mode(it, modes); - best_alpha = ClipAlpha(i4_alpha); - } - return best_alpha; -} - -static int MBAnalyzeBestUVMode(VP8EncIterator* const it) { - int best_alpha = -1; - int best_mode = 0; - const int max_mode = (it->enc_->method_ >= 3) ? MAX_UV_MODE : 4; - int mode; - VP8MakeChroma8Preds(it); - for (mode = 0; mode < max_mode; ++mode) { - const int alpha = CollectHistogram(it->yuv_in_ + U_OFF, - it->yuv_p_ + VP8UVModeOffsets[mode], - 16, 16 + 4 + 4); - if (alpha > best_alpha) { - best_alpha = alpha; - best_mode = mode; - } - } - VP8SetIntraUVMode(it, best_mode); - return best_alpha; -} - -static void MBAnalyze(VP8EncIterator* const it, - int alphas[256], int* const uv_alpha) { - const VP8Encoder* const enc = it->enc_; - int best_alpha, best_uv_alpha; - - VP8SetIntra16Mode(it, 0); // default: Intra16, DC_PRED - VP8SetSkip(it, 0); // not skipped - VP8SetSegment(it, 0); // default segment, spec-wise. - - best_alpha = MBAnalyzeBestIntra16Mode(it); - if (enc->method_ != 3) { - // We go and make a fast decision for intra4/intra16. - // It's usually not a good and definitive pick, but helps seeding the stats - // about level bit-cost. - // TODO(skal): improve criterion. - best_alpha = MBAnalyzeBestIntra4Mode(it, best_alpha); - } - best_uv_alpha = MBAnalyzeBestUVMode(it); - - // Final susceptibility mix - best_alpha = (best_alpha + best_uv_alpha + 1) / 2; - alphas[best_alpha]++; - *uv_alpha += best_uv_alpha; - it->mb_->alpha_ = best_alpha; // Informative only. -} - -//----------------------------------------------------------------------------- -// Main analysis loop: -// Collect all susceptibilities for each macroblock and record their -// distribution in alphas[]. Segments is assigned a-posteriori, based on -// this histogram. -// We also pick an intra16 prediction mode, which shouldn't be considered -// final except for fast-encode settings. We can also pick some intra4 modes -// and decide intra4/intra16, but that's usually almost always a bad choice at -// this stage. - -int VP8EncAnalyze(VP8Encoder* const enc) { - int alphas[256] = { 0 }; - VP8EncIterator it; - - VP8IteratorInit(enc, &it); - enc->uv_alpha_ = 0; - do { - VP8IteratorImport(&it); - MBAnalyze(&it, alphas, &enc->uv_alpha_); - // Let's pretend we have perfect lossless reconstruction. - } while (VP8IteratorNext(&it, it.yuv_in_)); - enc->uv_alpha_ /= enc->mb_w_ * enc->mb_h_; - AssignSegments(enc, alphas); - - return 1; -} - -#if defined(__cplusplus) || defined(c_plusplus) -} // extern "C" -#endif diff --git a/src/add-ons/translators/webp/libwebp/enc/bit_writer.c b/src/add-ons/translators/webp/libwebp/enc/bit_writer.c deleted file mode 100644 index a40f9aeec9..0000000000 --- a/src/add-ons/translators/webp/libwebp/enc/bit_writer.c +++ /dev/null @@ -1,175 +0,0 @@ -// Copyright 2011 Google Inc. -// -// This code is licensed under the same terms as WebM: -// Software License Agreement: http://www.webmproject.org/license/software/ -// Additional IP Rights Grant: http://www.webmproject.org/license/additional/ -// ----------------------------------------------------------------------------- -// -// Bit writing and boolean coder -// -// Author: Skal (pascal.massimino@gmail.com) - -#include -#include -#include "vp8enci.h" - -#if defined(__cplusplus) || defined(c_plusplus) -extern "C" { -#endif - -//----------------------------------------------------------------------------- -// VP8BitWriter - -static int BitWriterResize(VP8BitWriter* const bw, size_t extra_size) { - uint8_t* new_buf; - size_t new_size; - const size_t needed_size = bw->pos_ + extra_size; - if (needed_size <= bw->max_pos_) return 1; - new_size = 2 * bw->max_pos_; - if (new_size < needed_size) - new_size = needed_size; - if (new_size < 1024) new_size = 1024; - new_buf = (uint8_t*)malloc(new_size); - if (new_buf == NULL) { - bw->error_ = 1; - return 0; - } - if (bw->pos_ > 0) memcpy(new_buf, bw->buf_, bw->pos_); - free(bw->buf_); - bw->buf_ = new_buf; - bw->max_pos_ = new_size; - return 1; -} - -static void kFlush(VP8BitWriter* const bw) { - const int s = 8 + bw->nb_bits_; - const int32_t bits = bw->value_ >> s; - assert(bw->nb_bits_ >= 0); - bw->value_ -= bits << s; - bw->nb_bits_ -= 8; - if ((bits & 0xff) != 0xff) { - size_t pos = bw->pos_; - if (pos + bw->run_ >= bw->max_pos_) { // reallocate - if (!BitWriterResize(bw, bw->run_ + 1)) { - return; - } - } - if (bits & 0x100) { // overflow -> propagate carry over pending 0xff's - if (pos > 0) bw->buf_[pos - 1]++; - } - if (bw->run_ > 0) { - const int value = (bits & 0x100) ? 0x00 : 0xff; - for (; bw->run_ > 0; --bw->run_) bw->buf_[pos++] = value; - } - bw->buf_[pos++] = bits; - bw->pos_ = pos; - } else { - bw->run_++; // delay writing of bytes 0xff, pending eventual carry. - } -} - -//----------------------------------------------------------------------------- -// renormalization - -static const uint8_t kNorm[128] = { // renorm_sizes[i] = 8 - log2(i) - 7, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, - 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 0 -}; - -// range = ((range + 1) << kVP8Log2Range[range]) - 1 -const uint8_t kNewRange[128] = { - 127, 127, 191, 127, 159, 191, 223, 127, 143, 159, 175, 191, 207, 223, 239, - 127, 135, 143, 151, 159, 167, 175, 183, 191, 199, 207, 215, 223, 231, 239, - 247, 127, 131, 135, 139, 143, 147, 151, 155, 159, 163, 167, 171, 175, 179, - 183, 187, 191, 195, 199, 203, 207, 211, 215, 219, 223, 227, 231, 235, 239, - 243, 247, 251, 127, 129, 131, 133, 135, 137, 139, 141, 143, 145, 147, 149, - 151, 153, 155, 157, 159, 161, 163, 165, 167, 169, 171, 173, 175, 177, 179, - 181, 183, 185, 187, 189, 191, 193, 195, 197, 199, 201, 203, 205, 207, 209, - 211, 213, 215, 217, 219, 221, 223, 225, 227, 229, 231, 233, 235, 237, 239, - 241, 243, 245, 247, 249, 251, 253, 127 -}; - -int VP8PutBit(VP8BitWriter* const bw, int bit, int prob) { - const int split = (bw->range_ * prob) >> 8; - if (bit) { - bw->value_ += split + 1; - bw->range_ -= split + 1; - } else { - bw->range_ = split; - } - if (bw->range_ < 127) { // emit 'shift' bits out and renormalize - const int shift = kNorm[bw->range_]; - bw->range_ = kNewRange[bw->range_]; - bw->value_ <<= shift; - bw->nb_bits_ += shift; - if (bw->nb_bits_ > 0) kFlush(bw); - } - return bit; -} - -int VP8PutBitUniform(VP8BitWriter* const bw, int bit) { - const int split = bw->range_ >> 1; - if (bit) { - bw->value_ += split + 1; - bw->range_ -= split + 1; - } else { - bw->range_ = split; - } - if (bw->range_ < 127) { - bw->range_ = kNewRange[bw->range_]; - bw->value_ <<= 1; - bw->nb_bits_ += 1; - if (bw->nb_bits_ > 0) kFlush(bw); - } - return bit; -} - -void VP8PutValue(VP8BitWriter* const bw, int value, int nb_bits) { - int mask; - for (mask = 1 << (nb_bits - 1); mask; mask >>= 1) - VP8PutBitUniform(bw, value & mask); -} - -void VP8PutSignedValue(VP8BitWriter* const bw, int value, int nb_bits) { - if (!VP8PutBitUniform(bw, value != 0)) - return; - if (value < 0) { - VP8PutValue(bw, ((-value) << 1) | 1, nb_bits + 1); - } else { - VP8PutValue(bw, value << 1, nb_bits + 1); - } -} - -//----------------------------------------------------------------------------- - -int VP8BitWriterInit(VP8BitWriter* const bw, size_t expected_size) { - bw->range_ = 255 - 1; - bw->value_ = 0; - bw->run_ = 0; - bw->nb_bits_ = -8; - bw->pos_ = 0; - bw->max_pos_ = 0; - bw->error_ = 0; - bw->buf_ = NULL; - return (expected_size > 0) ? BitWriterResize(bw, expected_size) : 1; -} - -uint8_t* VP8BitWriterFinish(VP8BitWriter* const bw) { - VP8PutValue(bw, 0, 8 - bw->nb_bits_); - bw->nb_bits_ = 0; // pad with zeroes - kFlush(bw); - return bw->buf_; -} - -//----------------------------------------------------------------------------- - -#if defined(__cplusplus) || defined(c_plusplus) -} // extern "C" -#endif diff --git a/src/add-ons/translators/webp/libwebp/enc/bit_writer.h b/src/add-ons/translators/webp/libwebp/enc/bit_writer.h deleted file mode 100644 index 3773c9cb3c..0000000000 --- a/src/add-ons/translators/webp/libwebp/enc/bit_writer.h +++ /dev/null @@ -1,61 +0,0 @@ -// Copyright 2011 Google Inc. -// -// This code is licensed under the same terms as WebM: -// Software License Agreement: http://www.webmproject.org/license/software/ -// Additional IP Rights Grant: http://www.webmproject.org/license/additional/ -// ----------------------------------------------------------------------------- -// -// Bit writing and boolean coder -// -// Author: Skal (pascal.massimino@gmail.com) - -#ifndef WEBP_ENC_BIT_WRITER_H_ -#define WEBP_ENC_BIT_WRITER_H_ - -#include "vp8enci.h" - -#if defined(__cplusplus) || defined(c_plusplus) -extern "C" { -#endif - -//----------------------------------------------------------------------------- -// Bit-writing - -typedef struct VP8BitWriter VP8BitWriter; -struct VP8BitWriter { - int32_t range_; // range-1 - int32_t value_; - int run_; // number of outstanding bits - int nb_bits_; // number of pending bits - uint8_t* buf_; - size_t pos_; - size_t max_pos_; - int error_; // true in case of error -}; - -int VP8BitWriterInit(VP8BitWriter* const bw, size_t expected_size); -uint8_t* VP8BitWriterFinish(VP8BitWriter* const bw); -int VP8PutBit(VP8BitWriter* const bw, int bit, int prob); -int VP8PutBitUniform(VP8BitWriter* const bw, int bit); -void VP8PutValue(VP8BitWriter* const bw, int value, int nb_bits); -void VP8PutSignedValue(VP8BitWriter* const bw, int value, int nb_bits); - -// return approximate write position (in bits) -static inline uint64_t VP8BitWriterPos(const VP8BitWriter* const bw) { - return (uint64_t)(bw->pos_ + bw->run_) * 8 + 8 + bw->nb_bits_; -} - -static inline uint8_t* VP8BitWriterBuf(const VP8BitWriter* const bw) { - return bw->buf_; -} -static inline size_t VP8BitWriterSize(const VP8BitWriter* const bw) { - return bw->pos_; -} - -//----------------------------------------------------------------------------- - -#if defined(__cplusplus) || defined(c_plusplus) -} // extern "C" -#endif - -#endif // WEBP_ENC_BIT_WRITER_H_ diff --git a/src/add-ons/translators/webp/libwebp/enc/config.c b/src/add-ons/translators/webp/libwebp/enc/config.c deleted file mode 100644 index 6a4cd1f999..0000000000 --- a/src/add-ons/translators/webp/libwebp/enc/config.c +++ /dev/null @@ -1,107 +0,0 @@ -// Copyright 2011 Google Inc. -// -// This code is licensed under the same terms as WebM: -// Software License Agreement: http://www.webmproject.org/license/software/ -// Additional IP Rights Grant: http://www.webmproject.org/license/additional/ -// ----------------------------------------------------------------------------- -// -// Coding tools configuration -// -// Author: Skal (pascal.massimino@gmail.com) - -#include -#include "webp/encode.h" - -//----------------------------------------------------------------------------- -// WebPConfig -//----------------------------------------------------------------------------- - -int WebPConfigInitInternal(WebPConfig* const config, - WebPPreset preset, float quality, int version) { - if (version != WEBP_ENCODER_ABI_VERSION) { - return 0; // caller/system version mismatch! - } - if (config == NULL) return 0; - - config->quality = quality; - config->target_size = 0; - config->target_PSNR = 0.; - config->method = 4; - config->sns_strength = 50; - config->filter_strength = 20; // default: light filtering - config->filter_sharpness = 0; - config->filter_type = 0; // default: simple - config->partitions = 0; - config->segments = 4; - config->pass = 1; - config->show_compressed = 0; - config->preprocessing = 0; - config->autofilter = 0; - - // TODO(skal): tune. - switch (preset) { - case WEBP_PRESET_PICTURE: - config->sns_strength = 80; - config->filter_sharpness = 4; - config->filter_strength = 35; - break; - case WEBP_PRESET_PHOTO: - config->sns_strength = 80; - config->filter_sharpness = 3; - config->filter_strength = 30; - break; - case WEBP_PRESET_DRAWING: - config->sns_strength = 25; - config->filter_sharpness = 6; - config->filter_strength = 10; - break; - case WEBP_PRESET_ICON: - config->sns_strength = 0; - config->filter_strength = 0; // disable filtering to retain sharpness - break; - case WEBP_PRESET_TEXT: - config->sns_strength = 0; - config->filter_strength = 0; // disable filtering to retain sharpness - config->segments = 2; - break; - case WEBP_PRESET_DEFAULT: - default: - break; - } - return WebPValidateConfig(config); -} - -int WebPValidateConfig(const WebPConfig* const config) { - if (config == NULL) return 0; - if (config->quality < 0 || config->quality > 100) - return 0; - if (config->target_size < 0) - return 0; - if (config->target_PSNR < 0) - return 0; - if (config->method < 0 || config->method > 6) - return 0; - if (config->segments < 1 || config->segments > 4) - return 0; - if (config->sns_strength < 0 || config->sns_strength > 100) - return 0; - if (config->filter_strength < 0 || config->filter_strength > 100) - return 0; - if (config->filter_sharpness < 0 || config->filter_sharpness > 7) - return 0; - if (config->filter_type < 0 || config->filter_type > 1) - return 0; - if (config->autofilter < 0 || config->autofilter > 1) - return 0; - if (config->pass < 1 || config->pass > 10) - return 0; - if (config->show_compressed < 0 || config->show_compressed > 1) - return 0; - if (config->preprocessing < 0 || config->preprocessing > 1) - return 0; - if (config->partitions < 0 || config->partitions > 3) - return 0; - return 1; -} - -//----------------------------------------------------------------------------- diff --git a/src/add-ons/translators/webp/libwebp/enc/cost.c b/src/add-ons/translators/webp/libwebp/enc/cost.c deleted file mode 100644 index f765598ac7..0000000000 --- a/src/add-ons/translators/webp/libwebp/enc/cost.c +++ /dev/null @@ -1,491 +0,0 @@ -// Copyright 2011 Google Inc. -// -// This code is licensed under the same terms as WebM: -// Software License Agreement: http://www.webmproject.org/license/software/ -// Additional IP Rights Grant: http://www.webmproject.org/license/additional/ -// ----------------------------------------------------------------------------- -// -// Cost tables for level and modes -// -// Author: Skal (pascal.massimino@gmail.com) - -#include - -#include "cost.h" - -#if defined(__cplusplus) || defined(c_plusplus) -extern "C" { -#endif - -//----------------------------------------------------------------------------- -// Boolean-cost cost table - -const uint16_t VP8EntropyCost[256] = { - 1792, 1792, 1792, 1536, 1536, 1408, 1366, 1280, 1280, 1216, - 1178, 1152, 1110, 1076, 1061, 1024, 1024, 992, 968, 951, - 939, 911, 896, 878, 871, 854, 838, 820, 811, 794, - 786, 768, 768, 752, 740, 732, 720, 709, 704, 690, - 683, 672, 666, 655, 647, 640, 631, 622, 615, 607, - 598, 592, 586, 576, 572, 564, 559, 555, 547, 541, - 534, 528, 522, 512, 512, 504, 500, 494, 488, 483, - 477, 473, 467, 461, 458, 452, 448, 443, 438, 434, - 427, 424, 419, 415, 410, 406, 403, 399, 394, 390, - 384, 384, 377, 374, 370, 366, 362, 359, 355, 351, - 347, 342, 342, 336, 333, 330, 326, 323, 320, 316, - 312, 308, 305, 302, 299, 296, 293, 288, 287, 283, - 280, 277, 274, 272, 268, 266, 262, 256, 256, 256, - 251, 248, 245, 242, 240, 237, 234, 232, 228, 226, - 223, 221, 218, 216, 214, 211, 208, 205, 203, 201, - 198, 196, 192, 191, 188, 187, 183, 181, 179, 176, - 175, 171, 171, 168, 165, 163, 160, 159, 156, 154, - 152, 150, 148, 146, 144, 142, 139, 138, 135, 133, - 131, 128, 128, 125, 123, 121, 119, 117, 115, 113, - 111, 110, 107, 105, 103, 102, 100, 98, 96, 94, - 92, 91, 89, 86, 86, 83, 82, 80, 77, 76, - 74, 73, 71, 69, 67, 66, 64, 63, 61, 59, - 57, 55, 54, 52, 51, 49, 47, 46, 44, 43, - 41, 40, 38, 36, 35, 33, 32, 30, 29, 27, - 25, 24, 22, 21, 19, 18, 16, 15, 13, 12, - 10, 9, 7, 6, 4, 3 -}; - -//----------------------------------------------------------------------------- -// Level cost tables - -// For each given level, the following table given the pattern of contexts -// to use for coding it (in [][0]) as well as the bit value to use for -// each context (in [][1]). -static const uint16_t kLevelCodes[MAX_VARIABLE_LEVEL][2] = { - {0x001, 0x000}, {0x007, 0x001}, {0x00f, 0x005}, - {0x00f, 0x00d}, {0x033, 0x003}, {0x033, 0x003}, {0x033, 0x023}, - {0x033, 0x023}, {0x033, 0x023}, {0x033, 0x023}, {0x0d3, 0x013}, - {0x0d3, 0x013}, {0x0d3, 0x013}, {0x0d3, 0x013}, {0x0d3, 0x013}, - {0x0d3, 0x013}, {0x0d3, 0x013}, {0x0d3, 0x013}, {0x0d3, 0x093}, - {0x0d3, 0x093}, {0x0d3, 0x093}, {0x0d3, 0x093}, {0x0d3, 0x093}, - {0x0d3, 0x093}, {0x0d3, 0x093}, {0x0d3, 0x093}, {0x0d3, 0x093}, - {0x0d3, 0x093}, {0x0d3, 0x093}, {0x0d3, 0x093}, {0x0d3, 0x093}, - {0x0d3, 0x093}, {0x0d3, 0x093}, {0x0d3, 0x093}, {0x153, 0x053}, - {0x153, 0x053}, {0x153, 0x053}, {0x153, 0x053}, {0x153, 0x053}, - {0x153, 0x053}, {0x153, 0x053}, {0x153, 0x053}, {0x153, 0x053}, - {0x153, 0x053}, {0x153, 0x053}, {0x153, 0x053}, {0x153, 0x053}, - {0x153, 0x053}, {0x153, 0x053}, {0x153, 0x053}, {0x153, 0x053}, - {0x153, 0x053}, {0x153, 0x053}, {0x153, 0x053}, {0x153, 0x053}, - {0x153, 0x053}, {0x153, 0x053}, {0x153, 0x053}, {0x153, 0x053}, - {0x153, 0x053}, {0x153, 0x053}, {0x153, 0x053}, {0x153, 0x053}, - {0x153, 0x053}, {0x153, 0x053}, {0x153, 0x053}, {0x153, 0x153} -}; - -// fixed costs for coding levels, deduce from the coding tree. -// This is only the part that doesn't depend on the probability state. -const uint16_t VP8LevelFixedCosts[2048] = { - 0, 256, 256, 256, 256, 432, 618, 630, - 731, 640, 640, 828, 901, 948, 1021, 1101, - 1174, 1221, 1294, 1042, 1085, 1115, 1158, 1202, - 1245, 1275, 1318, 1337, 1380, 1410, 1453, 1497, - 1540, 1570, 1613, 1280, 1295, 1317, 1332, 1358, - 1373, 1395, 1410, 1454, 1469, 1491, 1506, 1532, - 1547, 1569, 1584, 1601, 1616, 1638, 1653, 1679, - 1694, 1716, 1731, 1775, 1790, 1812, 1827, 1853, - 1868, 1890, 1905, 1727, 1733, 1742, 1748, 1759, - 1765, 1774, 1780, 1800, 1806, 1815, 1821, 1832, - 1838, 1847, 1853, 1878, 1884, 1893, 1899, 1910, - 1916, 1925, 1931, 1951, 1957, 1966, 1972, 1983, - 1989, 1998, 2004, 2027, 2033, 2042, 2048, 2059, - 2065, 2074, 2080, 2100, 2106, 2115, 2121, 2132, - 2138, 2147, 2153, 2178, 2184, 2193, 2199, 2210, - 2216, 2225, 2231, 2251, 2257, 2266, 2272, 2283, - 2289, 2298, 2304, 2168, 2174, 2183, 2189, 2200, - 2206, 2215, 2221, 2241, 2247, 2256, 2262, 2273, - 2279, 2288, 2294, 2319, 2325, 2334, 2340, 2351, - 2357, 2366, 2372, 2392, 2398, 2407, 2413, 2424, - 2430, 2439, 2445, 2468, 2474, 2483, 2489, 2500, - 2506, 2515, 2521, 2541, 2547, 2556, 2562, 2573, - 2579, 2588, 2594, 2619, 2625, 2634, 2640, 2651, - 2657, 2666, 2672, 2692, 2698, 2707, 2713, 2724, - 2730, 2739, 2745, 2540, 2546, 2555, 2561, 2572, - 2578, 2587, 2593, 2613, 2619, 2628, 2634, 2645, - 2651, 2660, 2666, 2691, 2697, 2706, 2712, 2723, - 2729, 2738, 2744, 2764, 2770, 2779, 2785, 2796, - 2802, 2811, 2817, 2840, 2846, 2855, 2861, 2872, - 2878, 2887, 2893, 2913, 2919, 2928, 2934, 2945, - 2951, 2960, 2966, 2991, 2997, 3006, 3012, 3023, - 3029, 3038, 3044, 3064, 3070, 3079, 3085, 3096, - 3102, 3111, 3117, 2981, 2987, 2996, 3002, 3013, - 3019, 3028, 3034, 3054, 3060, 3069, 3075, 3086, - 3092, 3101, 3107, 3132, 3138, 3147, 3153, 3164, - 3170, 3179, 3185, 3205, 3211, 3220, 3226, 3237, - 3243, 3252, 3258, 3281, 3287, 3296, 3302, 3313, - 3319, 3328, 3334, 3354, 3360, 3369, 3375, 3386, - 3392, 3401, 3407, 3432, 3438, 3447, 3453, 3464, - 3470, 3479, 3485, 3505, 3511, 3520, 3526, 3537, - 3543, 3552, 3558, 2816, 2822, 2831, 2837, 2848, - 2854, 2863, 2869, 2889, 2895, 2904, 2910, 2921, - 2927, 2936, 2942, 2967, 2973, 2982, 2988, 2999, - 3005, 3014, 3020, 3040, 3046, 3055, 3061, 3072, - 3078, 3087, 3093, 3116, 3122, 3131, 3137, 3148, - 3154, 3163, 3169, 3189, 3195, 3204, 3210, 3221, - 3227, 3236, 3242, 3267, 3273, 3282, 3288, 3299, - 3305, 3314, 3320, 3340, 3346, 3355, 3361, 3372, - 3378, 3387, 3393, 3257, 3263, 3272, 3278, 3289, - 3295, 3304, 3310, 3330, 3336, 3345, 3351, 3362, - 3368, 3377, 3383, 3408, 3414, 3423, 3429, 3440, - 3446, 3455, 3461, 3481, 3487, 3496, 3502, 3513, - 3519, 3528, 3534, 3557, 3563, 3572, 3578, 3589, - 3595, 3604, 3610, 3630, 3636, 3645, 3651, 3662, - 3668, 3677, 3683, 3708, 3714, 3723, 3729, 3740, - 3746, 3755, 3761, 3781, 3787, 3796, 3802, 3813, - 3819, 3828, 3834, 3629, 3635, 3644, 3650, 3661, - 3667, 3676, 3682, 3702, 3708, 3717, 3723, 3734, - 3740, 3749, 3755, 3780, 3786, 3795, 3801, 3812, - 3818, 3827, 3833, 3853, 3859, 3868, 3874, 3885, - 3891, 3900, 3906, 3929, 3935, 3944, 3950, 3961, - 3967, 3976, 3982, 4002, 4008, 4017, 4023, 4034, - 4040, 4049, 4055, 4080, 4086, 4095, 4101, 4112, - 4118, 4127, 4133, 4153, 4159, 4168, 4174, 4185, - 4191, 4200, 4206, 4070, 4076, 4085, 4091, 4102, - 4108, 4117, 4123, 4143, 4149, 4158, 4164, 4175, - 4181, 4190, 4196, 4221, 4227, 4236, 4242, 4253, - 4259, 4268, 4274, 4294, 4300, 4309, 4315, 4326, - 4332, 4341, 4347, 4370, 4376, 4385, 4391, 4402, - 4408, 4417, 4423, 4443, 4449, 4458, 4464, 4475, - 4481, 4490, 4496, 4521, 4527, 4536, 4542, 4553, - 4559, 4568, 4574, 4594, 4600, 4609, 4615, 4626, - 4632, 4641, 4647, 3515, 3521, 3530, 3536, 3547, - 3553, 3562, 3568, 3588, 3594, 3603, 3609, 3620, - 3626, 3635, 3641, 3666, 3672, 3681, 3687, 3698, - 3704, 3713, 3719, 3739, 3745, 3754, 3760, 3771, - 3777, 3786, 3792, 3815, 3821, 3830, 3836, 3847, - 3853, 3862, 3868, 3888, 3894, 3903, 3909, 3920, - 3926, 3935, 3941, 3966, 3972, 3981, 3987, 3998, - 4004, 4013, 4019, 4039, 4045, 4054, 4060, 4071, - 4077, 4086, 4092, 3956, 3962, 3971, 3977, 3988, - 3994, 4003, 4009, 4029, 4035, 4044, 4050, 4061, - 4067, 4076, 4082, 4107, 4113, 4122, 4128, 4139, - 4145, 4154, 4160, 4180, 4186, 4195, 4201, 4212, - 4218, 4227, 4233, 4256, 4262, 4271, 4277, 4288, - 4294, 4303, 4309, 4329, 4335, 4344, 4350, 4361, - 4367, 4376, 4382, 4407, 4413, 4422, 4428, 4439, - 4445, 4454, 4460, 4480, 4486, 4495, 4501, 4512, - 4518, 4527, 4533, 4328, 4334, 4343, 4349, 4360, - 4366, 4375, 4381, 4401, 4407, 4416, 4422, 4433, - 4439, 4448, 4454, 4479, 4485, 4494, 4500, 4511, - 4517, 4526, 4532, 4552, 4558, 4567, 4573, 4584, - 4590, 4599, 4605, 4628, 4634, 4643, 4649, 4660, - 4666, 4675, 4681, 4701, 4707, 4716, 4722, 4733, - 4739, 4748, 4754, 4779, 4785, 4794, 4800, 4811, - 4817, 4826, 4832, 4852, 4858, 4867, 4873, 4884, - 4890, 4899, 4905, 4769, 4775, 4784, 4790, 4801, - 4807, 4816, 4822, 4842, 4848, 4857, 4863, 4874, - 4880, 4889, 4895, 4920, 4926, 4935, 4941, 4952, - 4958, 4967, 4973, 4993, 4999, 5008, 5014, 5025, - 5031, 5040, 5046, 5069, 5075, 5084, 5090, 5101, - 5107, 5116, 5122, 5142, 5148, 5157, 5163, 5174, - 5180, 5189, 5195, 5220, 5226, 5235, 5241, 5252, - 5258, 5267, 5273, 5293, 5299, 5308, 5314, 5325, - 5331, 5340, 5346, 4604, 4610, 4619, 4625, 4636, - 4642, 4651, 4657, 4677, 4683, 4692, 4698, 4709, - 4715, 4724, 4730, 4755, 4761, 4770, 4776, 4787, - 4793, 4802, 4808, 4828, 4834, 4843, 4849, 4860, - 4866, 4875, 4881, 4904, 4910, 4919, 4925, 4936, - 4942, 4951, 4957, 4977, 4983, 4992, 4998, 5009, - 5015, 5024, 5030, 5055, 5061, 5070, 5076, 5087, - 5093, 5102, 5108, 5128, 5134, 5143, 5149, 5160, - 5166, 5175, 5181, 5045, 5051, 5060, 5066, 5077, - 5083, 5092, 5098, 5118, 5124, 5133, 5139, 5150, - 5156, 5165, 5171, 5196, 5202, 5211, 5217, 5228, - 5234, 5243, 5249, 5269, 5275, 5284, 5290, 5301, - 5307, 5316, 5322, 5345, 5351, 5360, 5366, 5377, - 5383, 5392, 5398, 5418, 5424, 5433, 5439, 5450, - 5456, 5465, 5471, 5496, 5502, 5511, 5517, 5528, - 5534, 5543, 5549, 5569, 5575, 5584, 5590, 5601, - 5607, 5616, 5622, 5417, 5423, 5432, 5438, 5449, - 5455, 5464, 5470, 5490, 5496, 5505, 5511, 5522, - 5528, 5537, 5543, 5568, 5574, 5583, 5589, 5600, - 5606, 5615, 5621, 5641, 5647, 5656, 5662, 5673, - 5679, 5688, 5694, 5717, 5723, 5732, 5738, 5749, - 5755, 5764, 5770, 5790, 5796, 5805, 5811, 5822, - 5828, 5837, 5843, 5868, 5874, 5883, 5889, 5900, - 5906, 5915, 5921, 5941, 5947, 5956, 5962, 5973, - 5979, 5988, 5994, 5858, 5864, 5873, 5879, 5890, - 5896, 5905, 5911, 5931, 5937, 5946, 5952, 5963, - 5969, 5978, 5984, 6009, 6015, 6024, 6030, 6041, - 6047, 6056, 6062, 6082, 6088, 6097, 6103, 6114, - 6120, 6129, 6135, 6158, 6164, 6173, 6179, 6190, - 6196, 6205, 6211, 6231, 6237, 6246, 6252, 6263, - 6269, 6278, 6284, 6309, 6315, 6324, 6330, 6341, - 6347, 6356, 6362, 6382, 6388, 6397, 6403, 6414, - 6420, 6429, 6435, 3515, 3521, 3530, 3536, 3547, - 3553, 3562, 3568, 3588, 3594, 3603, 3609, 3620, - 3626, 3635, 3641, 3666, 3672, 3681, 3687, 3698, - 3704, 3713, 3719, 3739, 3745, 3754, 3760, 3771, - 3777, 3786, 3792, 3815, 3821, 3830, 3836, 3847, - 3853, 3862, 3868, 3888, 3894, 3903, 3909, 3920, - 3926, 3935, 3941, 3966, 3972, 3981, 3987, 3998, - 4004, 4013, 4019, 4039, 4045, 4054, 4060, 4071, - 4077, 4086, 4092, 3956, 3962, 3971, 3977, 3988, - 3994, 4003, 4009, 4029, 4035, 4044, 4050, 4061, - 4067, 4076, 4082, 4107, 4113, 4122, 4128, 4139, - 4145, 4154, 4160, 4180, 4186, 4195, 4201, 4212, - 4218, 4227, 4233, 4256, 4262, 4271, 4277, 4288, - 4294, 4303, 4309, 4329, 4335, 4344, 4350, 4361, - 4367, 4376, 4382, 4407, 4413, 4422, 4428, 4439, - 4445, 4454, 4460, 4480, 4486, 4495, 4501, 4512, - 4518, 4527, 4533, 4328, 4334, 4343, 4349, 4360, - 4366, 4375, 4381, 4401, 4407, 4416, 4422, 4433, - 4439, 4448, 4454, 4479, 4485, 4494, 4500, 4511, - 4517, 4526, 4532, 4552, 4558, 4567, 4573, 4584, - 4590, 4599, 4605, 4628, 4634, 4643, 4649, 4660, - 4666, 4675, 4681, 4701, 4707, 4716, 4722, 4733, - 4739, 4748, 4754, 4779, 4785, 4794, 4800, 4811, - 4817, 4826, 4832, 4852, 4858, 4867, 4873, 4884, - 4890, 4899, 4905, 4769, 4775, 4784, 4790, 4801, - 4807, 4816, 4822, 4842, 4848, 4857, 4863, 4874, - 4880, 4889, 4895, 4920, 4926, 4935, 4941, 4952, - 4958, 4967, 4973, 4993, 4999, 5008, 5014, 5025, - 5031, 5040, 5046, 5069, 5075, 5084, 5090, 5101, - 5107, 5116, 5122, 5142, 5148, 5157, 5163, 5174, - 5180, 5189, 5195, 5220, 5226, 5235, 5241, 5252, - 5258, 5267, 5273, 5293, 5299, 5308, 5314, 5325, - 5331, 5340, 5346, 4604, 4610, 4619, 4625, 4636, - 4642, 4651, 4657, 4677, 4683, 4692, 4698, 4709, - 4715, 4724, 4730, 4755, 4761, 4770, 4776, 4787, - 4793, 4802, 4808, 4828, 4834, 4843, 4849, 4860, - 4866, 4875, 4881, 4904, 4910, 4919, 4925, 4936, - 4942, 4951, 4957, 4977, 4983, 4992, 4998, 5009, - 5015, 5024, 5030, 5055, 5061, 5070, 5076, 5087, - 5093, 5102, 5108, 5128, 5134, 5143, 5149, 5160, - 5166, 5175, 5181, 5045, 5051, 5060, 5066, 5077, - 5083, 5092, 5098, 5118, 5124, 5133, 5139, 5150, - 5156, 5165, 5171, 5196, 5202, 5211, 5217, 5228, - 5234, 5243, 5249, 5269, 5275, 5284, 5290, 5301, - 5307, 5316, 5322, 5345, 5351, 5360, 5366, 5377, - 5383, 5392, 5398, 5418, 5424, 5433, 5439, 5450, - 5456, 5465, 5471, 5496, 5502, 5511, 5517, 5528, - 5534, 5543, 5549, 5569, 5575, 5584, 5590, 5601, - 5607, 5616, 5622, 5417, 5423, 5432, 5438, 5449, - 5455, 5464, 5470, 5490, 5496, 5505, 5511, 5522, - 5528, 5537, 5543, 5568, 5574, 5583, 5589, 5600, - 5606, 5615, 5621, 5641, 5647, 5656, 5662, 5673, - 5679, 5688, 5694, 5717, 5723, 5732, 5738, 5749, - 5755, 5764, 5770, 5790, 5796, 5805, 5811, 5822, - 5828, 5837, 5843, 5868, 5874, 5883, 5889, 5900, - 5906, 5915, 5921, 5941, 5947, 5956, 5962, 5973, - 5979, 5988, 5994, 5858, 5864, 5873, 5879, 5890, - 5896, 5905, 5911, 5931, 5937, 5946, 5952, 5963, - 5969, 5978, 5984, 6009, 6015, 6024, 6030, 6041, - 6047, 6056, 6062, 6082, 6088, 6097, 6103, 6114, - 6120, 6129, 6135, 6158, 6164, 6173, 6179, 6190, - 6196, 6205, 6211, 6231, 6237, 6246, 6252, 6263, - 6269, 6278, 6284, 6309, 6315, 6324, 6330, 6341, - 6347, 6356, 6362, 6382, 6388, 6397, 6403, 6414, - 6420, 6429, 6435, 5303, 5309, 5318, 5324, 5335, - 5341, 5350, 5356, 5376, 5382, 5391, 5397, 5408, - 5414, 5423, 5429, 5454, 5460, 5469, 5475, 5486, - 5492, 5501, 5507, 5527, 5533, 5542, 5548, 5559, - 5565, 5574, 5580, 5603, 5609, 5618, 5624, 5635, - 5641, 5650, 5656, 5676, 5682, 5691, 5697, 5708, - 5714, 5723, 5729, 5754, 5760, 5769, 5775, 5786, - 5792, 5801, 5807, 5827, 5833, 5842, 5848, 5859, - 5865, 5874, 5880, 5744, 5750, 5759, 5765, 5776, - 5782, 5791, 5797, 5817, 5823, 5832, 5838, 5849, - 5855, 5864, 5870, 5895, 5901, 5910, 5916, 5927, - 5933, 5942, 5948, 5968, 5974, 5983, 5989, 6000, - 6006, 6015, 6021, 6044, 6050, 6059, 6065, 6076, - 6082, 6091, 6097, 6117, 6123, 6132, 6138, 6149, - 6155, 6164, 6170, 6195, 6201, 6210, 6216, 6227, - 6233, 6242, 6248, 6268, 6274, 6283, 6289, 6300, - 6306, 6315, 6321, 6116, 6122, 6131, 6137, 6148, - 6154, 6163, 6169, 6189, 6195, 6204, 6210, 6221, - 6227, 6236, 6242, 6267, 6273, 6282, 6288, 6299, - 6305, 6314, 6320, 6340, 6346, 6355, 6361, 6372, - 6378, 6387, 6393, 6416, 6422, 6431, 6437, 6448, - 6454, 6463, 6469, 6489, 6495, 6504, 6510, 6521, - 6527, 6536, 6542, 6567, 6573, 6582, 6588, 6599, - 6605, 6614, 6620, 6640, 6646, 6655, 6661, 6672, - 6678, 6687, 6693, 6557, 6563, 6572, 6578, 6589, - 6595, 6604, 6610, 6630, 6636, 6645, 6651, 6662, - 6668, 6677, 6683, 6708, 6714, 6723, 6729, 6740, - 6746, 6755, 6761, 6781, 6787, 6796, 6802, 6813, - 6819, 6828, 6834, 6857, 6863, 6872, 6878, 6889, - 6895, 6904, 6910, 6930, 6936, 6945, 6951, 6962, - 6968, 6977, 6983, 7008, 7014, 7023, 7029, 7040, - 7046, 7055, 7061, 7081, 7087, 7096, 7102, 7113, - 7119, 7128, 7134, 6392, 6398, 6407, 6413, 6424, - 6430, 6439, 6445, 6465, 6471, 6480, 6486, 6497, - 6503, 6512, 6518, 6543, 6549, 6558, 6564, 6575, - 6581, 6590, 6596, 6616, 6622, 6631, 6637, 6648, - 6654, 6663, 6669, 6692, 6698, 6707, 6713, 6724, - 6730, 6739, 6745, 6765, 6771, 6780, 6786, 6797, - 6803, 6812, 6818, 6843, 6849, 6858, 6864, 6875, - 6881, 6890, 6896, 6916, 6922, 6931, 6937, 6948, - 6954, 6963, 6969, 6833, 6839, 6848, 6854, 6865, - 6871, 6880, 6886, 6906, 6912, 6921, 6927, 6938, - 6944, 6953, 6959, 6984, 6990, 6999, 7005, 7016, - 7022, 7031, 7037, 7057, 7063, 7072, 7078, 7089, - 7095, 7104, 7110, 7133, 7139, 7148, 7154, 7165, - 7171, 7180, 7186, 7206, 7212, 7221, 7227, 7238, - 7244, 7253, 7259, 7284, 7290, 7299, 7305, 7316, - 7322, 7331, 7337, 7357, 7363, 7372, 7378, 7389, - 7395, 7404, 7410, 7205, 7211, 7220, 7226, 7237, - 7243, 7252, 7258, 7278, 7284, 7293, 7299, 7310, - 7316, 7325, 7331, 7356, 7362, 7371, 7377, 7388, - 7394, 7403, 7409, 7429, 7435, 7444, 7450, 7461, - 7467, 7476, 7482, 7505, 7511, 7520, 7526, 7537, - 7543, 7552, 7558, 7578, 7584, 7593, 7599, 7610, - 7616, 7625, 7631, 7656, 7662, 7671, 7677, 7688, - 7694, 7703, 7709, 7729, 7735, 7744, 7750, 7761 -}; - -static int VariableLevelCost(int level, const uint8_t probas[NUM_PROBAS]) { - int pattern = kLevelCodes[level - 1][0]; - int bits = kLevelCodes[level - 1][1]; - int cost = 0; - int i; - for (i = 2; pattern; ++i) { - if (pattern & 1) { - cost += VP8BitCost(bits & 1, probas[i]); - } - bits >>= 1; - pattern >>= 1; - } - return cost; -} - -//----------------------------------------------------------------------------- -// Pre-calc level costs once for all - -void VP8CalculateLevelCosts(VP8Proba* const proba) { - int ctype, band, ctx; - for (ctype = 0; ctype < NUM_TYPES; ++ctype) { - for (band = 0; band < NUM_BANDS; ++band) { - for(ctx = 0; ctx < NUM_CTX; ++ctx) { - const uint8_t* const p = proba->coeffs_[ctype][band][ctx]; - uint16_t* const table = proba->level_cost_[ctype][band][ctx]; - const int cost_base = VP8BitCost(1, p[1]); - int v; - table[0] = VP8BitCost(0, p[1]); - for (v = 1; v <= MAX_VARIABLE_LEVEL; ++v) { - table[v] = cost_base + VariableLevelCost(v, p); - } - // Starting at level 67 and up, the variable part of the cost is - // actually constant. - } - } - } -} - -//----------------------------------------------------------------------------- -// Mode cost tables. - -// These are the fixed probabilities (in the coding trees) turned into bit-cost -// by calling VP8BitCost(). -const uint16_t VP8FixedCostsUV[4] = { 302, 984, 439, 642 }; -const uint16_t VP8FixedCostsI16[4] = { 663, 919, 872, 919 }; -const uint16_t VP8FixedCostsI4[NUM_BMODES][NUM_BMODES][NUM_BMODES] = { - { { 251, 1362, 1934, 2085, 2314, 2230, 1839, 1988, 2437, 2348 }, - { 403, 680, 1507, 1519, 2060, 2005, 1992, 1914, 1924, 1733 }, - { 353, 1121, 973, 1895, 2060, 1787, 1671, 1516, 2012, 1868 }, - { 770, 852, 1581, 632, 1393, 1780, 1823, 1936, 1074, 1218 }, - { 510, 1270, 1467, 1319, 847, 1279, 1792, 2094, 1080, 1353 }, - { 488, 1322, 918, 1573, 1300, 883, 1814, 1752, 1756, 1502 }, - { 425, 992, 1820, 1514, 1843, 2440, 937, 1771, 1924, 1129 }, - { 363, 1248, 1257, 1970, 2194, 2385, 1569, 953, 1951, 1601 }, - { 723, 1257, 1631, 964, 963, 1508, 1697, 1824, 671, 1418 }, - { 635, 1038, 1573, 930, 1673, 1413, 1410, 1687, 1410, 749 } }, - { { 451, 613, 1345, 1702, 1870, 1716, 1728, 1766, 2190, 2310 }, - { 678, 453, 1171, 1443, 1925, 1831, 2045, 1781, 1887, 1602 }, - { 711, 666, 674, 1718, 1910, 1493, 1775, 1193, 2325, 2325 }, - { 883, 854, 1583, 542, 1800, 1878, 1664, 2149, 1207, 1087 }, - { 669, 994, 1248, 1122, 949, 1179, 1376, 1729, 1070, 1244 }, - { 715, 1026, 715, 1350, 1430, 930, 1717, 1296, 1479, 1479 }, - { 544, 841, 1656, 1450, 2094, 3883, 1010, 1759, 2076, 809 }, - { 610, 855, 957, 1553, 2067, 1561, 1704, 824, 2066, 1226 }, - { 833, 960, 1416, 819, 1277, 1619, 1501, 1617, 757, 1182 }, - { 711, 964, 1252, 879, 1441, 1828, 1508, 1636, 1594, 734 } }, - { { 605, 764, 734, 1713, 1747, 1192, 1819, 1353, 1877, 2392 }, - { 866, 641, 586, 1622, 2072, 1431, 1888, 1346, 2189, 1764 }, - { 901, 851, 456, 2165, 2281, 1405, 1739, 1193, 2183, 2443 }, - { 770, 1045, 952, 1078, 1342, 1191, 1436, 1063, 1303, 995 }, - { 901, 1086, 727, 1170, 884, 1105, 1267, 1401, 1739, 1337 }, - { 951, 1162, 595, 1488, 1388, 703, 1790, 1366, 2057, 1724 }, - { 534, 986, 1273, 1987, 3273, 1485, 1024, 1399, 1583, 866 }, - { 699, 1182, 695, 1978, 1726, 1986, 1326, 714, 1750, 1672 }, - { 951, 1217, 1209, 920, 1062, 1441, 1548, 999, 952, 932 }, - { 733, 1284, 784, 1256, 1557, 1098, 1257, 1357, 1414, 908 } }, - { { 316, 1075, 1653, 1220, 2145, 2051, 1730, 2131, 1884, 1790 }, - { 745, 516, 1404, 894, 1599, 2375, 2013, 2105, 1475, 1381 }, - { 516, 729, 1088, 1319, 1637, 3426, 1636, 1275, 1531, 1453 }, - { 894, 943, 2138, 468, 1704, 2259, 2069, 1763, 1266, 1158 }, - { 605, 1025, 1235, 871, 1170, 1767, 1493, 1500, 1104, 1258 }, - { 739, 826, 1207, 1151, 1412, 846, 1305, 2726, 1014, 1569 }, - { 558, 825, 1820, 1398, 3344, 1556, 1218, 1550, 1228, 878 }, - { 429, 951, 1089, 1816, 3861, 3861, 1556, 969, 1568, 1828 }, - { 883, 961, 1752, 769, 1468, 1810, 2081, 2346, 613, 1298 }, - { 803, 895, 1372, 641, 1303, 1708, 1686, 1700, 1306, 1033 } }, - { { 439, 1267, 1270, 1579, 963, 1193, 1723, 1729, 1198, 1993 }, - { 705, 725, 1029, 1153, 1176, 1103, 1821, 1567, 1259, 1574 }, - { 723, 859, 802, 1253, 972, 1202, 1407, 1665, 1520, 1674 }, - { 894, 960, 1254, 887, 1052, 1607, 1344, 1349, 865, 1150 }, - { 833, 1312, 1337, 1205, 572, 1288, 1414, 1529, 1088, 1430 }, - { 842, 1279, 1068, 1861, 862, 688, 1861, 1630, 1039, 1381 }, - { 766, 938, 1279, 1546, 3338, 1550, 1031, 1542, 1288, 640 }, - { 715, 1090, 835, 1609, 1100, 1100, 1603, 1019, 1102, 1617 }, - { 894, 1813, 1500, 1188, 789, 1194, 1491, 1919, 617, 1333 }, - { 610, 1076, 1644, 1281, 1283, 975, 1179, 1688, 1434, 889 } }, - { { 544, 971, 1146, 1849, 1221, 740, 1857, 1621, 1683, 2430 }, - { 723, 705, 961, 1371, 1426, 821, 2081, 2079, 1839, 1380 }, - { 783, 857, 703, 2145, 1419, 814, 1791, 1310, 1609, 2206 }, - { 997, 1000, 1153, 792, 1229, 1162, 1810, 1418, 942, 979 }, - { 901, 1226, 883, 1289, 793, 715, 1904, 1649, 1319, 3108 }, - { 979, 1478, 782, 2216, 1454, 455, 3092, 1591, 1997, 1664 }, - { 663, 1110, 1504, 1114, 1522, 3311, 676, 1522, 1530, 1024 }, - { 605, 1138, 1153, 1314, 1569, 1315, 1157, 804, 1574, 1320 }, - { 770, 1216, 1218, 1227, 869, 1384, 1232, 1375, 834, 1239 }, - { 775, 1007, 843, 1216, 1225, 1074, 2527, 1479, 1149, 975 } }, - { { 477, 817, 1309, 1439, 1708, 1454, 1159, 1241, 1945, 1672 }, - { 577, 796, 1112, 1271, 1618, 1458, 1087, 1345, 1831, 1265 }, - { 663, 776, 753, 1940, 1690, 1690, 1227, 1097, 3149, 1361 }, - { 766, 1299, 1744, 1161, 1565, 1106, 1045, 1230, 1232, 707 }, - { 915, 1026, 1404, 1182, 1184, 851, 1428, 2425, 1043, 789 }, - { 883, 1456, 790, 1082, 1086, 985, 1083, 1484, 1238, 1160 }, - { 507, 1345, 2261, 1995, 1847, 3636, 653, 1761, 2287, 933 }, - { 553, 1193, 1470, 2057, 2059, 2059, 833, 779, 2058, 1263 }, - { 766, 1275, 1515, 1039, 957, 1554, 1286, 1540, 1289, 705 }, - { 499, 1378, 1496, 1385, 1850, 1850, 1044, 2465, 1515, 720 } }, - { { 553, 930, 978, 2077, 1968, 1481, 1457, 761, 1957, 2362 }, - { 694, 864, 905, 1720, 1670, 1621, 1429, 718, 2125, 1477 }, - { 699, 968, 658, 3190, 2024, 1479, 1865, 750, 2060, 2320 }, - { 733, 1308, 1296, 1062, 1576, 1322, 1062, 1112, 1172, 816 }, - { 920, 927, 1052, 939, 947, 1156, 1152, 1073, 3056, 1268 }, - { 723, 1534, 711, 1547, 1294, 892, 1553, 928, 1815, 1561 }, - { 663, 1366, 1583, 2111, 1712, 3501, 522, 1155, 2130, 1133 }, - { 614, 1731, 1188, 2343, 1944, 3733, 1287, 487, 3546, 1758 }, - { 770, 1585, 1312, 826, 884, 2673, 1185, 1006, 1195, 1195 }, - { 758, 1333, 1273, 1023, 1621, 1162, 1351, 833, 1479, 862 } }, - { { 376, 1193, 1446, 1149, 1545, 1577, 1870, 1789, 1175, 1823 }, - { 803, 633, 1136, 1058, 1350, 1323, 1598, 2247, 1072, 1252 }, - { 614, 1048, 943, 981, 1152, 1869, 1461, 1020, 1618, 1618 }, - { 1107, 1085, 1282, 592, 1779, 1933, 1648, 2403, 691, 1246 }, - { 851, 1309, 1223, 1243, 895, 1593, 1792, 2317, 627, 1076 }, - { 770, 1216, 1030, 1125, 921, 981, 1629, 1131, 1049, 1646 }, - { 626, 1469, 1456, 1081, 1489, 3278, 981, 1232, 1498, 733 }, - { 617, 1201, 812, 1220, 1476, 1476, 1478, 970, 1228, 1488 }, - { 1179, 1393, 1540, 999, 1243, 1503, 1916, 1925, 414, 1614 }, - { 943, 1088, 1490, 682, 1112, 1372, 1756, 1505, 966, 966 } }, - { { 322, 1142, 1589, 1396, 2144, 1859, 1359, 1925, 2084, 1518 }, - { 617, 625, 1241, 1234, 2121, 1615, 1524, 1858, 1720, 1004 }, - { 553, 851, 786, 1299, 1452, 1560, 1372, 1561, 1967, 1713 }, - { 770, 977, 1396, 568, 1893, 1639, 1540, 2108, 1430, 1013 }, - { 684, 1120, 1375, 982, 930, 2719, 1638, 1643, 933, 993 }, - { 553, 1103, 996, 1356, 1361, 1005, 1507, 1761, 1184, 1268 }, - { 419, 1247, 1537, 1554, 1817, 3606, 1026, 1666, 1829, 923 }, - { 439, 1139, 1101, 1257, 3710, 1922, 1205, 1040, 1931, 1529 }, - { 979, 935, 1269, 847, 1202, 1286, 1530, 1535, 827, 1036 }, - { 516, 1378, 1569, 1110, 1798, 1798, 1198, 2199, 1543, 712 } }, -}; - -//----------------------------------------------------------------------------- - -#if defined(__cplusplus) || defined(c_plusplus) -} // extern "C" -#endif diff --git a/src/add-ons/translators/webp/libwebp/enc/cost.h b/src/add-ons/translators/webp/libwebp/enc/cost.h deleted file mode 100644 index b80bb1062d..0000000000 --- a/src/add-ons/translators/webp/libwebp/enc/cost.h +++ /dev/null @@ -1,52 +0,0 @@ -// Copyright 2011 Google Inc. -// -// This code is licensed under the same terms as WebM: -// Software License Agreement: http://www.webmproject.org/license/software/ -// Additional IP Rights Grant: http://www.webmproject.org/license/additional/ -// ----------------------------------------------------------------------------- -// -// Cost tables for level and modes. -// -// Author: Skal (pascal.massimino@gmail.com) - -#ifndef WEBP_ENC_COST_H_ -#define WEBP_ENC_COST_H_ - -#include "vp8enci.h" - -#if defined(__cplusplus) || defined(c_plusplus) -extern "C" { -#endif - -extern const uint16_t VP8LevelFixedCosts[2048]; // approximate cost per level -extern const uint16_t VP8EntropyCost[256]; // 8bit fixed-point log(p) - -// Cost of coding one event with probability 'proba'. -static inline int VP8BitCost(int bit, uint8_t proba) { - return !bit ? VP8EntropyCost[proba] : VP8EntropyCost[255 - proba]; -} - -// Cost of coding 'nb' 1's and 'total-nb' 0's using 'proba' probability. -static inline uint64_t VP8BranchCost(uint64_t nb, uint64_t total, uint8_t proba) { - return nb * VP8BitCost(1, proba) + (total - nb) * VP8BitCost(0, proba); -} - -// Level cost calculations -void VP8CalculateLevelCosts(VP8Proba* const proba); -static inline int VP8LevelCost(const uint16_t* const table, int level) { - return VP8LevelFixedCosts[level] - + table[level > MAX_VARIABLE_LEVEL ? MAX_VARIABLE_LEVEL : level]; -} - -// Mode costs -extern const uint16_t VP8FixedCostsUV[4]; -extern const uint16_t VP8FixedCostsI16[4]; -extern const uint16_t VP8FixedCostsI4[NUM_BMODES][NUM_BMODES][NUM_BMODES]; - -//----------------------------------------------------------------------------- - -#if defined(__cplusplus) || defined(c_plusplus) -} // extern "C" -#endif - -#endif // WEBP_ENC_COST_H_ diff --git a/src/add-ons/translators/webp/libwebp/enc/dsp.c b/src/add-ons/translators/webp/libwebp/enc/dsp.c deleted file mode 100644 index 1365a23e78..0000000000 --- a/src/add-ons/translators/webp/libwebp/enc/dsp.c +++ /dev/null @@ -1,614 +0,0 @@ -// Copyright 2011 Google Inc. -// -// This code is licensed under the same terms as WebM: -// Software License Agreement: http://www.webmproject.org/license/software/ -// Additional IP Rights Grant: http://www.webmproject.org/license/additional/ -// ----------------------------------------------------------------------------- -// -// speed-critical functions. -// -// Author: Skal (pascal.massimino@gmail.com) - -#include -#include "vp8enci.h" - -#if defined(__cplusplus) || defined(c_plusplus) -extern "C" { -#endif - -//----------------------------------------------------------------------------- -// run-time tables (~4k) - -static uint8_t clip1[255 + 510 + 1]; // clips [-255,510] to [0,255] - -static int tables_ok = 0; - -static void InitTables() { - if (!tables_ok) { - int i; - for (i = -255; i <= 255 + 255; ++i) { - clip1[255 + i] = (i < 0) ? 0 : (i > 255) ? 255 : i; - } - tables_ok = 1; - } -} - -static inline uint8_t clip_8b(int v) { - return (!(v & ~0xff)) ? v : v < 0 ? 0 : 255; -} - -//----------------------------------------------------------------------------- -// Transforms (Paragraph 14.4) - -#define STORE(x, y, v) \ - dst[(x) + (y) * BPS] = clip_8b(ref[(x) + (y) * BPS] + ((v) >> 3)) - -static const int kC1 = 20091 + (1 << 16); -static const int kC2 = 35468; -#define MUL(a, b) (((a) * (b)) >> 16) - -static void ITransform(const uint8_t* ref, const int16_t* in, uint8_t* dst) { - int C[4 * 4], *tmp; - int i; - tmp = C; - for (i = 0; i < 4; ++i) { // vertical pass - const int a = in[0] + in[8]; - const int b = in[0] - in[8]; - const int c = MUL(in[4], kC2) - MUL(in[12], kC1); - const int d = MUL(in[4], kC1) + MUL(in[12], kC2); - tmp[0] = a + d; - tmp[1] = b + c; - tmp[2] = b - c; - tmp[3] = a - d; - tmp += 4; - in++; - } - - tmp = C; - for (i = 0; i < 4; ++i) { // horizontal pass - const int dc = tmp[0] + 4; - const int a = dc + tmp[8]; - const int b = dc - tmp[8]; - const int c = MUL(tmp[4], kC2) - MUL(tmp[12], kC1); - const int d = MUL(tmp[4], kC1) + MUL(tmp[12], kC2); - STORE(0, i, a + d); - STORE(1, i, b + c); - STORE(2, i, b - c); - STORE(3, i, a - d); - tmp++; - } -} - -void FTransform(const uint8_t* src, const uint8_t* ref, int16_t* out) { - int i; - int tmp[16]; - for (i = 0; i < 4; ++i, src += BPS, ref += BPS) { - const int d0 = src[0] - ref[0]; - const int d1 = src[1] - ref[1]; - const int d2 = src[2] - ref[2]; - const int d3 = src[3] - ref[3]; - const int a0 = (d0 + d3) << 3; - const int a1 = (d1 + d2) << 3; - const int a2 = (d1 - d2) << 3; - const int a3 = (d0 - d3) << 3; - tmp[0 + i * 4] = (a0 + a1); - tmp[1 + i * 4] = (a2 * 2217 + a3 * 5352 + 14500) >> 12; - tmp[2 + i * 4] = (a0 - a1); - tmp[3 + i * 4] = (a3 * 2217 - a2 * 5352 + 7500) >> 12; - } - for (i = 0; i < 4; ++i) { - const int a0 = (tmp[0 + i] + tmp[12 + i]); - const int a1 = (tmp[4 + i] + tmp[ 8 + i]); - const int a2 = (tmp[4 + i] - tmp[ 8 + i]); - const int a3 = (tmp[0 + i] - tmp[12 + i]); - out[0 + i] = (a0 + a1 + 7) >> 4; - out[4 + i] = ((a2 * 2217 + a3 * 5352 + 12000) >> 16) + (a3 != 0); - out[8 + i] = (a0 - a1 + 7) >> 4; - out[12+ i] = ((a3 * 2217 - a2 * 5352 + 51000) >> 16); - } -} - -static void ITransformWHT(const int16_t* in, int16_t* out) { - int tmp[16]; - int i; - for (i = 0; i < 4; ++i) { - const int a0 = in[0 + i] + in[12 + i]; - const int a1 = in[4 + i] + in[ 8 + i]; - const int a2 = in[4 + i] - in[ 8 + i]; - const int a3 = in[0 + i] - in[12 + i]; - tmp[0 + i] = a0 + a1; - tmp[8 + i] = a0 - a1; - tmp[4 + i] = a3 + a2; - tmp[12 + i] = a3 - a2; - } - for (i = 0; i < 4; ++i) { - const int dc = tmp[0 + i * 4] + 3; // w/ rounder - const int a0 = dc + tmp[3 + i * 4]; - const int a1 = tmp[1 + i * 4] + tmp[2 + i * 4]; - const int a2 = tmp[1 + i * 4] - tmp[2 + i * 4]; - const int a3 = dc - tmp[3 + i * 4]; - out[ 0] = (a0 + a1) >> 3; - out[16] = (a3 + a2) >> 3; - out[32] = (a0 - a1) >> 3; - out[48] = (a3 - a2) >> 3; - out += 64; - } -} - -static void FTransformWHT(const int16_t* in, int16_t* out) { - int tmp[16]; - int i; - for (i = 0; i < 4; ++i, in += 64) { - const int a0 = (in[0 * 16] + in[2 * 16]) << 2; - const int a1 = (in[1 * 16] + in[3 * 16]) << 2; - const int a2 = (in[1 * 16] - in[3 * 16]) << 2; - const int a3 = (in[0 * 16] - in[2 * 16]) << 2; - tmp[0 + i * 4] = (a0 + a1) + (a0 != 0); - tmp[1 + i * 4] = a3 + a2; - tmp[2 + i * 4] = a3 - a2; - tmp[3 + i * 4] = a0 - a1; - } - for (i = 0; i < 4; ++i) { - const int a0 = (tmp[0 + i] + tmp[8 + i]); - const int a1 = (tmp[4 + i] + tmp[12+ i]); - const int a2 = (tmp[4 + i] - tmp[12+ i]); - const int a3 = (tmp[0 + i] - tmp[8 + i]); - const int b0 = a0 + a1; - const int b1 = a3 + a2; - const int b2 = a3 - a2; - const int b3 = a0 - a1; - out[ 0 + i] = (b0 + (b0 > 0) + 3) >> 3; - out[ 4 + i] = (b1 + (b1 > 0) + 3) >> 3; - out[ 8 + i] = (b2 + (b2 > 0) + 3) >> 3; - out[12 + i] = (b3 + (b3 > 0) + 3) >> 3; - } -} - -// default C implementations: -VP8Idct VP8ITransform = ITransform; -VP8Fdct VP8FTransform = FTransform; -VP8WHT VP8ITransformWHT = ITransformWHT; -VP8WHT VP8FTransformWHT = FTransformWHT; - -#undef MUL -#undef STORE - -//----------------------------------------------------------------------------- -// Intra predictions - -#define OUT(x, y) dst[(x) + (y) * BPS] - -static inline void Fill(uint8_t* dst, int value, int size) { - int j; - for (j = 0; j < size; ++j) { - memset(dst + j * BPS, value, size); - } -} - -static inline void VerticalPred(uint8_t* dst, const uint8_t* top, int size) { - int j; - if (top) { - for (j = 0; j < size; ++j) memcpy(dst + j * BPS, top, size); - } else { - Fill(dst, 127, size); - } -} - -static inline void HorizontalPred(uint8_t* dst, const uint8_t* left, int size) { - if (left) { - int j; - for (j = 0; j < size; ++j) { - memset(dst + j * BPS, left[j], size); - } - } else { - Fill(dst, 129, size); - } -} - -static inline void TrueMotion(uint8_t* dst, const uint8_t* left, - const uint8_t* top, int size) { - int y; - if (left) { - if (top) { - const uint8_t* const clip = clip1 + 255 - left[-1]; - for (y = 0; y < size; ++y) { - const uint8_t* const clip_table = clip + left[y]; - int x; - for (x = 0; x < size; ++x) { - dst[x] = clip_table[top[x]]; - } - dst += BPS; - } - } else { - HorizontalPred(dst, left, size); - } - } else { - // true motion without left samples (hence: with default 129 value) - // is equivalent to VE prediction where you just copy the top samples. - // Note that if top samples are not available, the default value is - // then 129, and not 127 as in the VerticalPred case. - if (top) { - VerticalPred(dst, top, size); - } else { - Fill(dst, 129, size); - } - } -} - -static inline void DCMode(uint8_t* dst, const uint8_t* left, - const uint8_t* top, - int size, int round, int shift) { - int DC = 0; - int j; - if (top) { - for (j = 0; j < size; ++j) DC += top[j]; - if (left) { // top and left present - for (j = 0; j < size; ++j) DC += left[j]; - } else { // top, but no left - DC += DC; - } - DC = (DC + round) >> shift; - } else if (left) { // left but no top - for (j = 0; j < size; ++j) DC += left[j]; - DC += DC; - DC = (DC + round) >> shift; - } else { // no top, no left, nothing. - DC = 0x80; - } - Fill(dst, DC, size); -} - -//----------------------------------------------------------------------------- -// Chroma 8x8 prediction (paragraph 12.2) - -static void IntraChromaPreds(uint8_t* dst, const uint8_t* left, - const uint8_t* top) { - // U block - DCMode(C8DC8 + dst, left, top, 8, 8, 4); - VerticalPred(C8VE8 + dst, top, 8); - HorizontalPred(C8HE8 + dst, left, 8); - TrueMotion(C8TM8 + dst, left, top, 8); - // V block - dst += 8; - if (top) top += 8; - if (left) left += 16; - DCMode(C8DC8 + dst, left, top, 8, 8, 4); - VerticalPred(C8VE8 + dst, top, 8); - HorizontalPred(C8HE8 + dst, left, 8); - TrueMotion(C8TM8 + dst, left, top, 8); -} - -//----------------------------------------------------------------------------- -// luma 16x16 prediction (paragraph 12.3) - -static void Intra16Preds(uint8_t* dst, - const uint8_t* left, const uint8_t* top) { - DCMode(I16DC16 + dst, left, top, 16, 16, 5); - VerticalPred(I16VE16 + dst, top, 16); - HorizontalPred(I16HE16 + dst, left, 16); - TrueMotion(I16TM16 + dst, left, top, 16); -} - -//----------------------------------------------------------------------------- -// luma 4x4 prediction - -#define AVG3(a, b, c) (((a) + 2 * (b) + (c) + 2) >> 2) -#define AVG2(a, b) (((a) + (b) + 1) >> 1) - -static void VE4(uint8_t* dst, const uint8_t* top) { // vertical - const uint8_t vals[4] = { - AVG3(top[-1], top[0], top[1]), - AVG3(top[ 0], top[1], top[2]), - AVG3(top[ 1], top[2], top[3]), - AVG3(top[ 2], top[3], top[4]) - }; - int i; - for (i = 0; i < 4; ++i) { - memcpy(dst + i * BPS, vals, 4); - } -} - -static void HE4(uint8_t* dst, const uint8_t* top) { // horizontal - const int X = top[-1]; - const int I = top[-2]; - const int J = top[-3]; - const int K = top[-4]; - const int L = top[-5]; - *(uint32_t*)(dst + 0 * BPS) = 0x01010101U * AVG3(X, I, J); - *(uint32_t*)(dst + 1 * BPS) = 0x01010101U * AVG3(I, J, K); - *(uint32_t*)(dst + 2 * BPS) = 0x01010101U * AVG3(J, K, L); - *(uint32_t*)(dst + 3 * BPS) = 0x01010101U * AVG3(K, L, L); -} - -static void DC4(uint8_t* dst, const uint8_t* top) { - uint32_t dc = 4; - int i; - for (i = 0; i < 4; ++i) dc += top[i] + top[-5 + i]; - Fill(dst, dc >> 3, 4); -} - -static void RD4(uint8_t* dst, const uint8_t* top) { - const int X = top[-1]; - const int I = top[-2]; - const int J = top[-3]; - const int K = top[-4]; - const int L = top[-5]; - const int A = top[0]; - const int B = top[1]; - const int C = top[2]; - const int D = top[3]; - OUT(0, 3) = AVG3(J, K, L); - OUT(0, 2) = OUT(1, 3) = AVG3(I, J, K); - OUT(0, 1) = OUT(1, 2) = OUT(2, 3) = AVG3(X, I, J); - OUT(0, 0) = OUT(1, 1) = OUT(2, 2) = OUT(3, 3) = AVG3(A, X, I); - OUT(1, 0) = OUT(2, 1) = OUT(3, 2) = AVG3(B, A, X); - OUT(2, 0) = OUT(3, 1) = AVG3(C, B, A); - OUT(3, 0) = AVG3(D, C, B); -} - -static void LD4(uint8_t* dst, const uint8_t* top) { - const int A = top[0]; - const int B = top[1]; - const int C = top[2]; - const int D = top[3]; - const int E = top[4]; - const int F = top[5]; - const int G = top[6]; - const int H = top[7]; - OUT(0, 0) = AVG3(A, B, C); - OUT(1, 0) = OUT(0, 1) = AVG3(B, C, D); - OUT(2, 0) = OUT(1, 1) = OUT(0, 2) = AVG3(C, D, E); - OUT(3, 0) = OUT(2, 1) = OUT(1, 2) = OUT(0, 3) = AVG3(D, E, F); - OUT(3, 1) = OUT(2, 2) = OUT(1, 3) = AVG3(E, F, G); - OUT(3, 2) = OUT(2, 3) = AVG3(F, G, H); - OUT(3, 3) = AVG3(G, H, H); -} - -static void VR4(uint8_t* dst, const uint8_t* top) { - const int X = top[-1]; - const int I = top[-2]; - const int J = top[-3]; - const int K = top[-4]; - const int A = top[0]; - const int B = top[1]; - const int C = top[2]; - const int D = top[3]; - OUT(0, 0) = OUT(1, 2) = AVG2(X, A); - OUT(1, 0) = OUT(2, 2) = AVG2(A, B); - OUT(2, 0) = OUT(3, 2) = AVG2(B, C); - OUT(3, 0) = AVG2(C, D); - - OUT(0, 3) = AVG3(K, J, I); - OUT(0, 2) = AVG3(J, I, X); - OUT(0, 1) = OUT(1, 3) = AVG3(I, X, A); - OUT(1, 1) = OUT(2, 3) = AVG3(X, A, B); - OUT(2, 1) = OUT(3, 3) = AVG3(A, B, C); - OUT(3, 1) = AVG3(B, C, D); -} - -static void VL4(uint8_t* dst, const uint8_t* top) { - const int A = top[0]; - const int B = top[1]; - const int C = top[2]; - const int D = top[3]; - const int E = top[4]; - const int F = top[5]; - const int G = top[6]; - const int H = top[7]; - OUT(0, 0) = AVG2(A, B); - OUT(1, 0) = OUT(0, 2) = AVG2(B, C); - OUT(2, 0) = OUT(1, 2) = AVG2(C, D); - OUT(3, 0) = OUT(2, 2) = AVG2(D, E); - - OUT(0, 1) = AVG3(A, B, C); - OUT(1, 1) = OUT(0, 3) = AVG3(B, C, D); - OUT(2, 1) = OUT(1, 3) = AVG3(C, D, E); - OUT(3, 1) = OUT(2, 3) = AVG3(D, E, F); - OUT(3, 2) = AVG3(E, F, G); - OUT(3, 3) = AVG3(F, G, H); -} - -static void HU4(uint8_t* dst, const uint8_t* top) { - const int I = top[-2]; - const int J = top[-3]; - const int K = top[-4]; - const int L = top[-5]; - OUT(0, 0) = AVG2(I, J); - OUT(2, 0) = OUT(0, 1) = AVG2(J, K); - OUT(2, 1) = OUT(0, 2) = AVG2(K, L); - OUT(1, 0) = AVG3(I, J, K); - OUT(3, 0) = OUT(1, 1) = AVG3(J, K, L); - OUT(3, 1) = OUT(1, 2) = AVG3(K, L, L); - OUT(3, 2) = OUT(2, 2) = - OUT(0, 3) = OUT(1, 3) = OUT(2, 3) = OUT(3, 3) = L; -} - -static void HD4(uint8_t* dst, const uint8_t* top) { - const int X = top[-1]; - const int I = top[-2]; - const int J = top[-3]; - const int K = top[-4]; - const int L = top[-5]; - const int A = top[0]; - const int B = top[1]; - const int C = top[2]; - - OUT(0, 0) = OUT(2, 1) = AVG2(I, X); - OUT(0, 1) = OUT(2, 2) = AVG2(J, I); - OUT(0, 2) = OUT(2, 3) = AVG2(K, J); - OUT(0, 3) = AVG2(L, K); - - OUT(3, 0) = AVG3(A, B, C); - OUT(2, 0) = AVG3(X, A, B); - OUT(1, 0) = OUT(3, 1) = AVG3(I, X, A); - OUT(1, 1) = OUT(3, 2) = AVG3(J, I, X); - OUT(1, 2) = OUT(3, 3) = AVG3(K, J, I); - OUT(1, 3) = AVG3(L, K, J); -} - -static void TM4(uint8_t* dst, const uint8_t* top) { - int x, y; - const uint8_t* const clip = clip1 + 255 - top[-1]; - for (y = 0; y < 4; ++y) { - const uint8_t* const clip_table = clip + top[-2 - y]; - for (x = 0; x < 4; ++x) { - dst[x] = clip_table[top[x]]; - } - dst += BPS; - } -} - -#undef AVG3 -#undef AVG2 - -// Left samples are top[-5 .. -2], top_left is top[-1], top are -// located at top[0..3], and top right is top[4..7] -static void Intra4Preds(uint8_t* dst, const uint8_t* top) { - DC4(I4DC4 + dst, top); - TM4(I4TM4 + dst, top); - VE4(I4VE4 + dst, top); - HE4(I4HE4 + dst, top); - RD4(I4RD4 + dst, top); - VR4(I4VR4 + dst, top); - LD4(I4LD4 + dst, top); - VL4(I4VL4 + dst, top); - HD4(I4HD4 + dst, top); - HU4(I4HU4 + dst, top); -} - -// default C implementations -VP8Intra4Preds VP8EncPredLuma4 = Intra4Preds; -VP8IntraPreds VP8EncPredLuma16 = Intra16Preds; -VP8IntraPreds VP8EncPredChroma8 = IntraChromaPreds; - -//----------------------------------------------------------------------------- -// Metric - -static inline int GetSSE(const uint8_t* a, const uint8_t* b, int w, int h) { - int count = 0; - int y, x; - for (y = 0; y < h; ++y) { - for (x = 0; x < w; ++x) { - const int diff = (int)a[x] - b[x]; - count += diff * diff; - } - a += BPS; - b += BPS; - } - return count; -} - -static int SSE16x16(const uint8_t* a, const uint8_t* b) { - return GetSSE(a, b, 16, 16); -} -static int SSE16x8(const uint8_t* a, const uint8_t* b) { - return GetSSE(a, b, 16, 8); -} -static int SSE8x8(const uint8_t* a, const uint8_t* b) { - return GetSSE(a, b, 8, 8); -} -static int SSE4x4(const uint8_t* a, const uint8_t* b) { - return GetSSE(a, b, 4, 4); -} - -// default C implementations -VP8Metric VP8SSE16x16 = SSE16x16; -VP8Metric VP8SSE8x8 = SSE8x8; -VP8Metric VP8SSE16x8 = SSE16x8; -VP8Metric VP8SSE4x4 = SSE4x4; - -//----------------------------------------------------------------------------- -// Texture distortion -// -// We try to match the spectral content (weighted) between source and -// reconstructed samples. - -// Hadamard transform -static void TTransform(const uint8_t* in, int16_t* out) { - int tmp[16]; - int i; - for (i = 0; i < 4; ++i, in += BPS) { - const int a0 = (in[0] + in[2]) << 2; - const int a1 = (in[1] + in[3]) << 2; - const int a2 = (in[1] - in[3]) << 2; - const int a3 = (in[0] - in[2]) << 2; - tmp[0 + i * 4] = a0 + a1 + (a0 != 0); - tmp[1 + i * 4] = a3 + a2; - tmp[2 + i * 4] = a3 - a2; - tmp[3 + i * 4] = a0 - a1; - } - for (i = 0; i < 4; ++i) { - const int a0 = (tmp[0 + i] + tmp[8 + i]); - const int a1 = (tmp[4 + i] + tmp[12+ i]); - const int a2 = (tmp[4 + i] - tmp[12+ i]); - const int a3 = (tmp[0 + i] - tmp[8 + i]); - const int b0 = a0 + a1; - const int b1 = a3 + a2; - const int b2 = a3 - a2; - const int b3 = a0 - a1; - out[ 0 + i] = (b0 + (b0 < 0) + 3) >> 3; - out[ 4 + i] = (b1 + (b1 < 0) + 3) >> 3; - out[ 8 + i] = (b2 + (b2 < 0) + 3) >> 3; - out[12 + i] = (b3 + (b3 < 0) + 3) >> 3; - } -} - -static int Disto4x4(const uint8_t* const a, const uint8_t* const b, - const uint16_t* const w) { - int16_t tmp1[16], tmp2[16]; - int k; - int D; - TTransform(a, tmp1); - TTransform(b, tmp2); - D = 0; - for (k = 0; k < 16; ++k) - D += w[k] * (abs(tmp2[k]) - abs(tmp1[k])); - return (abs(D) + 8) >> 4; -} - -static int Disto16x16(const uint8_t* const a, const uint8_t* const b, - const uint16_t* const w) { - int D = 0; - int x, y; - for (y = 0; y < 16 * BPS; y += 4 * BPS) { - for (x = 0; x < 16; x += 4) { - D += Disto4x4(a + x + y, b + x + y, w); - } - } - return D; -} - -VP8WMetric VP8TDisto4x4 = Disto4x4; -VP8WMetric VP8TDisto16x16 = Disto16x16; - -//----------------------------------------------------------------------------- -// Block copy - -static inline void Copy(const uint8_t* src, uint8_t* dst, int size) { - int y; - for (y = 0; y < size; ++y) { - memcpy(dst, src, size); - src += BPS; - dst += BPS; - } -} - -static void Copy4x4(const uint8_t* src, uint8_t* dst) { Copy(src, dst, 4); } -static void Copy8x8(const uint8_t* src, uint8_t* dst) { Copy(src, dst, 8); } -static void Copy16x16(const uint8_t* src, uint8_t* dst) { Copy(src, dst, 16); } - -// default C implementations -VP8BlockCopy VP8Copy4x4 = Copy4x4; -VP8BlockCopy VP8Copy8x8 = Copy8x8; -VP8BlockCopy VP8Copy16x16 = Copy16x16; - -//----------------------------------------------------------------------------- - -void VP8EncDspInit() { - InitTables(); - // later we'll plug some SSE2 variant here -} - -#if defined(__cplusplus) || defined(c_plusplus) -} // extern "C" -#endif diff --git a/src/add-ons/translators/webp/libwebp/enc/filter.c b/src/add-ons/translators/webp/libwebp/enc/filter.c deleted file mode 100644 index cf845e0dde..0000000000 --- a/src/add-ons/translators/webp/libwebp/enc/filter.c +++ /dev/null @@ -1,370 +0,0 @@ -// Copyright 2011 Google Inc. -// -// This code is licensed under the same terms as WebM: -// Software License Agreement: http://www.webmproject.org/license/software/ -// Additional IP Rights Grant: http://www.webmproject.org/license/additional/ -// ----------------------------------------------------------------------------- -// -// Selecting filter level -// -// Author: somnath@google.com (Somnath Banerjee) - -#include -#include "vp8enci.h" - -// NOTE: clip1, tables and InitTables are repeated entries of dsp.c -static uint8_t abs0[255 + 255 + 1]; // abs(i) -static uint8_t abs1[255 + 255 + 1]; // abs(i)>>1 -static int8_t sclip1[1020 + 1020 + 1]; // clips [-1020, 1020] to [-128, 127] -static int8_t sclip2[112 + 112 + 1]; // clips [-112, 112] to [-16, 15] -static uint8_t clip1[255 + 510 + 1]; // clips [-255,510] to [0,255] - -static int tables_ok = 0; - -static void InitTables() { - if (!tables_ok) { - int i; - for (i = -255; i <= 255; ++i) { - abs0[255 + i] = (i < 0) ? -i : i; - abs1[255 + i] = abs0[255 + i] >> 1; - } - for (i = -1020; i <= 1020; ++i) { - sclip1[1020 + i] = (i < -128) ? -128 : (i > 127) ? 127 : i; - } - for (i = -112; i <= 112; ++i) { - sclip2[112 + i] = (i < -16) ? -16 : (i > 15) ? 15 : i; - } - for (i = -255; i <= 255 + 255; ++i) { - clip1[255 + i] = (i < 0) ? 0 : (i > 255) ? 255 : i; - } - tables_ok = 1; - } -} - -//----------------------------------------------------------------------------- -// Edge filtering functions - -// 4 pixels in, 2 pixels out -static inline void do_filter2(uint8_t* p, int step) { - const int p1 = p[-2*step], p0 = p[-step], q0 = p[0], q1 = p[step]; - const int a = 3 * (q0 - p0) + sclip1[1020 + p1 - q1]; - const int a1 = sclip2[112 + ((a + 4) >> 3)]; - const int a2 = sclip2[112 + ((a + 3) >> 3)]; - p[-step] = clip1[255 + p0 + a2]; - p[ 0] = clip1[255 + q0 - a1]; -} - -// 4 pixels in, 4 pixels out -static inline void do_filter4(uint8_t* p, int step) { - const int p1 = p[-2*step], p0 = p[-step], q0 = p[0], q1 = p[step]; - const int a = 3 * (q0 - p0); - const int a1 = sclip2[112 + ((a + 4) >> 3)]; - const int a2 = sclip2[112 + ((a + 3) >> 3)]; - const int a3 = (a1 + 1) >> 1; - p[-2*step] = clip1[255 + p1 + a3]; - p[- step] = clip1[255 + p0 + a2]; - p[ 0] = clip1[255 + q0 - a1]; - p[ step] = clip1[255 + q1 - a3]; -} - -// high edge-variance -static inline int hev(const uint8_t* p, int step, int thresh) { - const int p1 = p[-2*step], p0 = p[-step], q0 = p[0], q1 = p[step]; - return (abs0[255 + p1 - p0] > thresh) || (abs0[255 + q1 - q0] > thresh); -} - -static inline int needs_filter(const uint8_t* p, int step, int thresh) { - const int p1 = p[-2*step], p0 = p[-step], q0 = p[0], q1 = p[step]; - return (2 * abs0[255 + p0 - q0] + abs1[255 + p1 - q1]) <= thresh; -} - -static inline int needs_filter2(const uint8_t* p, int step, int t, int it) { - const int p3 = p[-4*step], p2 = p[-3*step], p1 = p[-2*step], p0 = p[-step]; - const int q0 = p[0], q1 = p[step], q2 = p[2*step], q3 = p[3*step]; - if ((2 * abs0[255 + p0 - q0] + abs1[255 + p1 - q1]) > t) - return 0; - return abs0[255 + p3 - p2] <= it && abs0[255 + p2 - p1] <= it && - abs0[255 + p1 - p0] <= it && abs0[255 + q3 - q2] <= it && - abs0[255 + q2 - q1] <= it && abs0[255 + q1 - q0] <= it; -} - -//----------------------------------------------------------------------------- -// Simple In-loop filtering (Paragraph 15.2) - -static void SimpleVFilter16(uint8_t* p, int stride, int thresh) { - int i; - for (i = 0; i < 16; ++i) { - if (needs_filter(p + i, stride, thresh)) { - do_filter2(p + i, stride); - } - } -} - -static void SimpleHFilter16(uint8_t* p, int stride, int thresh) { - int i; - for (i = 0; i < 16; ++i) { - if (needs_filter(p + i * stride, 1, thresh)) { - do_filter2(p + i * stride, 1); - } - } -} - -static void SimpleVFilter16i(uint8_t* p, int stride, int thresh) { - int k; - for (k = 3; k > 0; --k) { - p += 4 * stride; - SimpleVFilter16(p, stride, thresh); - } -} - -static void SimpleHFilter16i(uint8_t* p, int stride, int thresh) { - int k; - for (k = 3; k > 0; --k) { - p += 4; - SimpleHFilter16(p, stride, thresh); - } -} - -//----------------------------------------------------------------------------- -// Complex In-loop filtering (Paragraph 15.3) - -static inline void FilterLoop24(uint8_t* p, int hstride, int vstride, int size, - int thresh, int ithresh, int hev_thresh) { - while (size-- > 0) { - if (needs_filter2(p, hstride, thresh, ithresh)) { - if (hev(p, hstride, hev_thresh)) { - do_filter2(p, hstride); - } else { - do_filter4(p, hstride); - } - } - p += vstride; - } -} - -// on three inner edges -static void VFilter16i(uint8_t* p, int stride, - int thresh, int ithresh, int hev_thresh) { - int k; - for (k = 3; k > 0; --k) { - p += 4 * stride; - FilterLoop24(p, stride, 1, 16, thresh, ithresh, hev_thresh); - } -} - -static void HFilter16i(uint8_t* p, int stride, - int thresh, int ithresh, int hev_thresh) { - int k; - for (k = 3; k > 0; --k) { - p += 4; - FilterLoop24(p, 1, stride, 16, thresh, ithresh, hev_thresh); - } -} - -static void VFilter8i(uint8_t* u, uint8_t* v, int stride, - int thresh, int ithresh, int hev_thresh) { - FilterLoop24(u + 4 * stride, stride, 1, 8, thresh, ithresh, hev_thresh); - FilterLoop24(v + 4 * stride, stride, 1, 8, thresh, ithresh, hev_thresh); -} - -static void HFilter8i(uint8_t* u, uint8_t* v, int stride, - int thresh, int ithresh, int hev_thresh) { - FilterLoop24(u + 4, 1, stride, 8, thresh, ithresh, hev_thresh); - FilterLoop24(v + 4, 1, stride, 8, thresh, ithresh, hev_thresh); -} - -//----------------------------------------------------------------------------- - -void (*VP8EncVFilter16i)(uint8_t*, int, int, int, int) = VFilter16i; -void (*VP8EncHFilter16i)(uint8_t*, int, int, int, int) = HFilter16i; -void (*VP8EncVFilter8i)(uint8_t*, uint8_t*, int, int, int, int) = VFilter8i; -void (*VP8EncHFilter8i)(uint8_t*, uint8_t*, int, int, int, int) = HFilter8i; - -void (*VP8EncSimpleVFilter16i)(uint8_t*, int, int) = SimpleVFilter16i; -void (*VP8EncSimpleHFilter16i)(uint8_t*, int, int) = SimpleHFilter16i; - -//----------------------------------------------------------------------------- -// Paragraph 15.4: compute the inner-edge filtering strength - -static int GetILevel(int sharpness, int level) { - if (sharpness > 0) { - if (sharpness > 4) { - level >>= 2; - } else { - level >>= 1; - } - if (level > 9 - sharpness) { - level = 9 - sharpness; - } - } - if (level < 1) level = 1; - return level; -} - -static void DoFilter(const VP8EncIterator* const it, int level) { - const VP8Encoder* const enc = it->enc_; - const int ilevel = GetILevel(enc->config_->filter_sharpness, level); - const int limit = 2 * level + ilevel; - - uint8_t* const y_dst = it->yuv_out2_ + Y_OFF; - uint8_t* const u_dst = it->yuv_out2_ + U_OFF; - uint8_t* const v_dst = it->yuv_out2_ + V_OFF; - - // copy current block to yuv_out2_ - memcpy(y_dst, it->yuv_out_, YUV_SIZE * sizeof(uint8_t)); - - if (enc->filter_hdr_.simple_ == 1) { // simple - VP8EncSimpleHFilter16i(y_dst, BPS, limit); - VP8EncSimpleVFilter16i(y_dst, BPS, limit); - } else { // complex - const int hev_thresh = (level >= 40) ? 2 : (level >= 15) ? 1 : 0; - VP8EncHFilter16i(y_dst, BPS, limit, ilevel, hev_thresh); - VP8EncHFilter8i(u_dst, v_dst, BPS, limit, ilevel, hev_thresh); - VP8EncVFilter16i(y_dst, BPS, limit, ilevel, hev_thresh); - VP8EncVFilter8i(u_dst, v_dst, BPS, limit, ilevel, hev_thresh); - } -} - -//----------------------------------------------------------------------------- -// SSIM metric - -enum { KERNEL = 3 }; -typedef struct { - double w, xm, ym, xxm, xym, yym; -} SSIMStats; - -static void Accumulate(const uint8_t* src1, int stride1, - const uint8_t* src2, int stride2, - int xo, int yo, int W, int H, - SSIMStats* const stats) { - const int ymin = (yo - KERNEL < 0) ? 0 : yo - KERNEL; - const int ymax = (yo + KERNEL > H - 1) ? H - 1 : yo + KERNEL; - const int xmin = (xo - KERNEL < 0) ? 0 : xo - KERNEL; - const int xmax = (xo + KERNEL > W - 1) ? W - 1 : xo + KERNEL; - int x, y; - src1 += ymin * stride1; - src2 += ymin * stride2; - for (y = ymin; y <= ymax; ++y, src1 += stride1, src2 += stride2) { - for (x = xmin; x <= xmax; ++x) { - const int s1 = src1[x]; - const int s2 = src2[x]; - stats->w += 1; - stats->xm += s1; - stats->ym += s2; - stats->xxm += s1 * s1; - stats->xym += s1 * s2; - stats->yym += s2 * s2; - } - } -} - -static double GetSSIM(const SSIMStats* const stats) { - const double xmxm = stats->xm * stats->xm; - const double ymym = stats->ym * stats->ym; - const double xmym = stats->xm * stats->ym; - const double w2 = stats->w * stats->w; - double sxx = stats->xxm * stats->w - xmxm; - double syy = stats->yym * stats->w - ymym; - double sxy = stats->xym * stats->w - xmym; - double C1, C2; - double fnum; - double fden; - // small errors are possible, due to rounding. Clamp to zero. - if (sxx < 0.) sxx = 0.; - if (syy < 0.) syy = 0.; - C1 = 6.5025 * w2; - C2 = 58.5225 * w2; - fnum = (2 * xmym + C1) * (2 * sxy + C2); - fden = (xmxm + ymym + C1) * (sxx + syy + C2); - return (fden != 0) ? fnum / fden : 0.; -} - -static double GetMBSSIM(const uint8_t* yuv1, const uint8_t* yuv2) { - int x, y; - SSIMStats s = { .0, .0, .0, .0, .0, .0 }; - - // compute SSIM in a 10 x 10 window - for (x = 3; x < 13; x++) { - for (y = 3; y < 13; y++) { - Accumulate(yuv1 + Y_OFF, BPS, yuv2 + Y_OFF, BPS, x, y, 16, 16, &s); - } - } - for (x = 1; x < 7; x++) { - for (y = 1; y < 7; y++) { - Accumulate(yuv1 + U_OFF, BPS, yuv2 + U_OFF, BPS, x, y, 8, 8, &s); - Accumulate(yuv1 + V_OFF, BPS, yuv2 + V_OFF, BPS, x, y, 8, 8, &s); - } - } - return GetSSIM(&s); -} - -//----------------------------------------------------------------------------- -// Exposed APIs: Encoder should call the following 3 functions to adjust -// loop filter strength - -void VP8InitFilter(VP8EncIterator* const it) { - int s, i; - if (!it->lf_stats_) return; - - InitTables(); - for (s = 0; s < NUM_MB_SEGMENTS; s++) { - for (i = 0; i < MAX_LF_LEVELS; i++) { - (*it->lf_stats_)[s][i] = 0; - } - } -} - -void VP8StoreFilterStats(VP8EncIterator* const it) { - int d; - const int s = it->mb_->segment_; - const int level0 = it->enc_->dqm_[s].fstrength_; // TODO: ref_lf_delta[] - - // explore +/-quant range of values around level0 - const int delta_min = -it->enc_->dqm_[s].quant_; - const int delta_max = it->enc_->dqm_[s].quant_; - const int step_size = (delta_max - delta_min >= 4) ? 4 : 1; - - if (!it->lf_stats_) return; - - // NOTE: Currently we are applying filter only across the sublock edges - // There are two reasons for that. - // 1. Applying filter on macro block edges will change the pixels in - // the left and top macro blocks. That will be hard to restore - // 2. Macro Blocks on the bottom and right are not yet compressed. So we - // cannot apply filter on the right and bottom macro block edges. - if (it->mb_->type_ == 1 && it->mb_->skip_) return; - - // Always try filter level zero - (*it->lf_stats_)[s][0] += GetMBSSIM(it->yuv_in_, it->yuv_out_); - - for (d = delta_min; d <= delta_max; d += step_size) { - const int level = level0 + d; - if (level <= 0 || level >= MAX_LF_LEVELS) { - continue; - } - DoFilter(it, level); - (*it->lf_stats_)[s][level] += GetMBSSIM(it->yuv_in_, it->yuv_out2_); - } -} - -void VP8AdjustFilterStrength(VP8EncIterator* const it) { - int s; - VP8Encoder* const enc = it->enc_; - - if (!it->lf_stats_) { - return; - } - for (s = 0; s < NUM_MB_SEGMENTS; s++) { - int i, best_level = 0; - // Improvement over filter level 0 should be at least 1e-5 (relatively) - double best_v = 1.00001 * (*it->lf_stats_)[s][0]; - for (i = 1; i < MAX_LF_LEVELS; i++) { - const double v = (*it->lf_stats_)[s][i]; - if (v > best_v) { - best_v = v; - best_level = i; - } - } - enc->dqm_[s].fstrength_ = best_level; - } -} diff --git a/src/add-ons/translators/webp/libwebp/enc/frame.c b/src/add-ons/translators/webp/libwebp/enc/frame.c deleted file mode 100644 index 9864c1d97c..0000000000 --- a/src/add-ons/translators/webp/libwebp/enc/frame.c +++ /dev/null @@ -1,695 +0,0 @@ -// Copyright 2011 Google Inc. -// -// This code is licensed under the same terms as WebM: -// Software License Agreement: http://www.webmproject.org/license/software/ -// Additional IP Rights Grant: http://www.webmproject.org/license/additional/ -// ----------------------------------------------------------------------------- -// -// frame coding and analysis -// -// Author: Skal (pascal.massimino@gmail.com) - -#include -#include -#include -#include - -#include "vp8enci.h" -#include "cost.h" - -#if defined(__cplusplus) || defined(c_plusplus) -extern "C" { -#endif - -#define SEGMENT_VISU 0 -#define DEBUG_SEARCH 0 // useful to track search convergence - -// On-the-fly info about the current set of residuals. Handy to avoid -// passing zillions of params. -typedef struct { - int first; - int last; - const int16_t* coeffs; - - int coeff_type; - ProbaArray* prob; - StatsArray* stats; - CostArray* cost; -} VP8Residual; - -//----------------------------------------------------------------------------- -// Tables for level coding - -const uint8_t VP8EncBands[16 + 1] = { - 0, 1, 2, 3, 6, 4, 5, 6, 6, 6, 6, 6, 6, 6, 6, 7, - 0 // sentinel -}; - -static const uint8_t kCat3[] = { 173, 148, 140 }; -static const uint8_t kCat4[] = { 176, 155, 140, 135 }; -static const uint8_t kCat5[] = { 180, 157, 141, 134, 130 }; -static const uint8_t kCat6[] = - { 254, 254, 243, 230, 196, 177, 153, 140, 133, 130, 129 }; - -//----------------------------------------------------------------------------- -// Reset the statistics about: number of skips, token proba, level cost,... - -static void ResetStats(VP8Encoder* const enc, int precalc_cost) { - VP8Proba* const proba = &enc->proba_; - if (precalc_cost) VP8CalculateLevelCosts(proba); - proba->nb_skip_ = 0; - proba->nb_i4_ = 0; - proba->nb_i16_ = 0; -} - -//----------------------------------------------------------------------------- -// Skip decision probability - -static int CalcSkipProba(uint64_t nb, uint64_t total) { - return (int)(total ? (total - nb) * 255 / total : 255); -} - -// Returns the bit-cost for coding the skip probability. -static int FinalizeSkipProba(VP8Encoder* const enc) { - VP8Proba* const proba = &enc->proba_; - const int nb_mbs = enc->mb_w_ * enc->mb_h_; - const int nb_events = proba->nb_skip_; - int size; - proba->skip_proba_ = CalcSkipProba(nb_events, nb_mbs); - proba->use_skip_proba_ = (proba->skip_proba_ < 250); - size = 256; // 'use_skip_proba' bit - if (proba->use_skip_proba_) { - size += nb_events * VP8BitCost(1, proba->skip_proba_) - + (nb_mbs - nb_events) * VP8BitCost(0, proba->skip_proba_); - size += 8 * 256; // cost of signaling the skip_proba_ itself. - } - return size; -} - -//----------------------------------------------------------------------------- -// Recording of token probabilities. - -static void ResetTokenStats(VP8Encoder* const enc) { - VP8Proba* const proba = &enc->proba_; - memset(proba->stats_, 0, sizeof(proba->stats_)); -} - -// Record proba context used -static int Record(int bit, uint64_t* const stats) { - stats[0] += bit; - stats[1] += 1; - return bit; -} - -// Simulate block coding, but only record statistics. -// Note: no need to record the fixed probas. -static int RecordCoeffs(int ctx, VP8Residual* res) { - int n = res->first; - uint64_t (*s)[2] = res->stats[VP8EncBands[n]][ctx]; - if (!Record(res->last >= 0, s[0])) { - return 0; - } - - while (1) { - const int v = abs(res->coeffs[n++]); - if (!Record(v != 0, s[1])) { - s = res->stats[VP8EncBands[n]][0]; - continue; - } - if (!Record(v > 1, s[2])) { - s = res->stats[VP8EncBands[n]][1]; - } else { - if (!Record(v > 4, s[3])) { - if (Record(v != 2, s[4])) - Record(v == 4, s[5]); - } else if (!Record(v > 10, s[6])) { - Record(v > 6, s[7]); - } else if (!Record((v >= 3 + (8 << 2)), s[8])) { - Record((v >= 3 + (8 << 1)), s[9]); - } else { - Record((v >= 3 + (8 << 3)), s[10]); - } - s = res->stats[VP8EncBands[n]][2]; - } - if (n == 16 || !Record(n <= res->last, s[0])) { - return 1; - } - } -} - -// Collect statistics and deduce probabilities for next coding pass. -// Return the total bit-cost for coding the probability updates. -static int CalcTokenProba(uint64_t nb, uint64_t total) { - return (int)(nb ? ((total - nb) * 255 + total / 2) / total : 255); -} - -static int FinalizeTokenProbas(VP8Encoder* const enc) { - VP8Proba* const proba = &enc->proba_; - int size = 0; - int t, b, c, p; - for (t = 0; t < NUM_TYPES; ++t) { - for (b = 0; b < NUM_BANDS; ++b) { - for (c = 0; c < NUM_CTX; ++c) { - for (p = 0; p < NUM_PROBAS; ++p) { - const uint64_t* const cnt = proba->stats_[t][b][c][p]; - const int update_proba = VP8CoeffsUpdateProba[t][b][c][p]; - const int old_p = VP8CoeffsProba0[t][b][c][p]; - const int new_p = CalcTokenProba(cnt[0], cnt[1]); - const uint64_t old_cost = VP8BranchCost(cnt[0], cnt[1], old_p) - + VP8BitCost(0, update_proba); - const uint64_t new_cost = VP8BranchCost(cnt[0], cnt[1], new_p) - + VP8BitCost(1, update_proba) + 8 * 256; - const int use_new_p = (old_cost > new_cost); - size += VP8BitCost(use_new_p, update_proba); - if (use_new_p) { // only use proba that seem meaningful enough. - proba->coeffs_[t][b][c][p] = new_p; - size += 8 * 256; - } else { - proba->coeffs_[t][b][c][p] = old_p; - } - } - } - } - } - return size; -} - -//----------------------------------------------------------------------------- -// helper functions for residuals struct VP8Residual. - -static void InitResidual(int first, int coeff_type, - VP8Encoder* const enc, VP8Residual* const res) { - res->coeff_type = coeff_type; - res->prob = enc->proba_.coeffs_[coeff_type]; - res->stats = enc->proba_.stats_[coeff_type]; - res->cost = enc->proba_.level_cost_[coeff_type]; - res->first = first; -} - -static void SetResidualCoeffs(const int16_t* const coeffs, - VP8Residual* const res) { - int n; - res->last = -1; - for (n = 15; n >= res->first; --n) { - if (coeffs[n]) { - res->last = n; - break; - } - } - res->coeffs = coeffs; -} - -//----------------------------------------------------------------------------- -// Mode costs - -static int GetResidualCost(int ctx, const VP8Residual* const res) { - int n = res->first; - const uint8_t* p = res->prob[VP8EncBands[n]][ctx]; - const uint16_t *t = res->cost[VP8EncBands[n]][ctx]; - int cost; - - cost = VP8BitCost(res->last >= 0, p[0]); - if (res->last < 0) { - return cost; - } - while (n <= res->last) { - const int v = abs(res->coeffs[n++]); - cost += VP8LevelCost(t, v); - if (v == 0) { - p = res->prob[VP8EncBands[n]][0]; - t = res->cost[VP8EncBands[n]][0]; - continue; - } else if (v == 1) { - p = res->prob[VP8EncBands[n]][1]; - t = res->cost[VP8EncBands[n]][1]; - } else { - p = res->prob[VP8EncBands[n]][2]; - t = res->cost[VP8EncBands[n]][2]; - } - if (n < 16) { - cost += VP8BitCost(n <= res->last, p[0]); - } - } - return cost; -} - -int VP8GetCostLuma4(VP8EncIterator* const it, const int16_t levels[16]) { - const int x = (it->i4_ & 3), y = (it->i4_ >> 2); - VP8Residual res; - int R = 0; - int ctx; - - InitResidual(0, 3, it->enc_, &res); - ctx = it->top_nz_[x] + it->left_nz_[y]; - SetResidualCoeffs(levels, &res); - R += GetResidualCost(ctx, &res); - return R; -} - -int VP8GetCostLuma16(VP8EncIterator* const it, const VP8ModeScore* const rd) { - VP8Residual res; - int x, y; - int R = 0; - - VP8IteratorNzToBytes(it); // re-import the non-zero context - - // DC - InitResidual(0, 1, it->enc_, &res); - SetResidualCoeffs(rd->y_dc_levels, &res); - R += GetResidualCost(it->top_nz_[8] + it->left_nz_[8], &res); - - // AC - InitResidual(1, 0, it->enc_, &res); - for (y = 0; y < 4; ++y) { - for (x = 0; x < 4; ++x) { - const int ctx = it->top_nz_[x] + it->left_nz_[y]; - SetResidualCoeffs(rd->y_ac_levels[x + y * 4], &res); - R += GetResidualCost(ctx, &res); - it->top_nz_[x] = it->left_nz_[y] = (res.last >= 0); - } - } - return R; -} - -int VP8GetCostUV(VP8EncIterator* const it, const VP8ModeScore* const rd) { - VP8Residual res; - int ch, x, y; - int R = 0; - - VP8IteratorNzToBytes(it); // re-import the non-zero context - - InitResidual(0, 2, it->enc_, &res); - for (ch = 0; ch <= 2; ch += 2) { - for (y = 0; y < 2; ++y) { - for (x = 0; x < 2; ++x) { - const int ctx = it->top_nz_[4 + ch + x] + it->left_nz_[4 + ch + y]; - SetResidualCoeffs(rd->uv_levels[ch * 2 + x + y * 2], &res); - R += GetResidualCost(ctx, &res); - it->top_nz_[4 + ch + x] = it->left_nz_[4 + ch + y] = (res.last >= 0); - } - } - } - return R; -} - -//----------------------------------------------------------------------------- -// Coefficient coding - -static int PutCoeffs(VP8BitWriter* const bw, int ctx, const VP8Residual* res) { - int n = res->first; - const uint8_t* p = res->prob[VP8EncBands[n]][ctx]; - if (!VP8PutBit(bw, res->last >= 0, p[0])) { - return 0; - } - - while (n < 16) { - const int c = res->coeffs[n++]; - const int sign = c < 0; - int v = sign ? -c : c; - if (!VP8PutBit(bw, v != 0, p[1])) { - p = res->prob[VP8EncBands[n]][0]; - continue; - } - if (!VP8PutBit(bw, v > 1, p[2])) { - p = res->prob[VP8EncBands[n]][1]; - } else { - if (!VP8PutBit(bw, v > 4, p[3])) { - if (VP8PutBit(bw, v != 2, p[4])) - VP8PutBit(bw, v == 4, p[5]); - } else if (!VP8PutBit(bw, v > 10, p[6])) { - if (!VP8PutBit(bw, v > 6, p[7])) { - VP8PutBit(bw, v == 6, 159); - } else { - VP8PutBit(bw, v >= 9, 165); - VP8PutBit(bw, !(v & 1), 145); - } - } else { - int mask; - const uint8_t* tab; - if (v < 3 + (8 << 1)) { // kCat3 (3b) - VP8PutBit(bw, 0, p[8]); - VP8PutBit(bw, 0, p[9]); - v -= 3 + (8 << 0); - mask = 1 << 2; - tab = kCat3; - } else if (v < 3 + (8 << 2)) { // kCat4 (4b) - VP8PutBit(bw, 0, p[8]); - VP8PutBit(bw, 1, p[9]); - v -= 3 + (8 << 1); - mask = 1 << 3; - tab = kCat4; - } else if (v < 3 + (8 << 3)) { // kCat5 (5b) - VP8PutBit(bw, 1, p[8]); - VP8PutBit(bw, 0, p[10]); - v -= 3 + (8 << 2); - mask = 1 << 4; - tab = kCat5; - } else { // kCat6 (11b) - VP8PutBit(bw, 1, p[8]); - VP8PutBit(bw, 1, p[10]); - v -= 3 + (8 << 3); - mask = 1 << 10; - tab = kCat6; - } - while (mask) { - VP8PutBit(bw, !!(v & mask), *tab++); - mask >>= 1; - } - } - p = res->prob[VP8EncBands[n]][2]; - } - VP8PutBitUniform(bw, sign); - if (n == 16 || !VP8PutBit(bw, n <= res->last, p[0])) { - return 1; // EOB - } - } - return 1; -} - -static void CodeResiduals(VP8BitWriter* const bw, - VP8EncIterator* const it, - const VP8ModeScore* const rd) { - int x, y, ch; - VP8Residual res; - uint64_t pos1, pos2, pos3; - const int i16 = (it->mb_->type_ == 1); - const int segment = it->mb_->segment_; - - VP8IteratorNzToBytes(it); - - pos1 = VP8BitWriterPos(bw); - if (i16) { - InitResidual(0, 1, it->enc_, &res); - SetResidualCoeffs(rd->y_dc_levels, &res); - it->top_nz_[8] = it->left_nz_[8] = - PutCoeffs(bw, it->top_nz_[8] + it->left_nz_[8], &res); - InitResidual(1, 0, it->enc_, &res); - } else { - InitResidual(0, 3, it->enc_, &res); - } - - // luma-AC - for (y = 0; y < 4; ++y) { - for (x = 0; x < 4; ++x) { - const int ctx = it->top_nz_[x] + it->left_nz_[y]; - SetResidualCoeffs(rd->y_ac_levels[x + y * 4], &res); - it->top_nz_[x] = it->left_nz_[y] = PutCoeffs(bw, ctx, &res); - } - } - pos2 = VP8BitWriterPos(bw); - - // U/V - InitResidual(0, 2, it->enc_, &res); - for (ch = 0; ch <= 2; ch += 2) { - for (y = 0; y < 2; ++y) { - for (x = 0; x < 2; ++x) { - const int ctx = it->top_nz_[4 + ch + x] + it->left_nz_[4 + ch + y]; - SetResidualCoeffs(rd->uv_levels[ch * 2 + x + y * 2], &res); - it->top_nz_[4 + ch + x] = it->left_nz_[4 + ch + y] = - PutCoeffs(bw, ctx, &res); - } - } - } - pos3 = VP8BitWriterPos(bw); - it->luma_bits_ = pos2 - pos1; - it->uv_bits_ = pos3 - pos2; - it->bit_count_[segment][i16] += it->luma_bits_; - it->bit_count_[segment][2] += it->uv_bits_; - VP8IteratorBytesToNz(it); -} - -// Same as CodeResiduals, but doesn't actually write anything. -// Instead, it just records the event distribution. -static void RecordResiduals(VP8EncIterator* const it, - const VP8ModeScore* const rd) { - int x, y, ch; - VP8Residual res; - - VP8IteratorNzToBytes(it); - - if (it->mb_->type_ == 1) { // i16x16 - InitResidual(0, 1, it->enc_, &res); - SetResidualCoeffs(rd->y_dc_levels, &res); - it->top_nz_[8] = it->left_nz_[8] = - RecordCoeffs(it->top_nz_[8] + it->left_nz_[8], &res); - InitResidual(1, 0, it->enc_, &res); - } else { - InitResidual(0, 3, it->enc_, &res); - } - - // luma-AC - for (y = 0; y < 4; ++y) { - for (x = 0; x < 4; ++x) { - const int ctx = it->top_nz_[x] + it->left_nz_[y]; - SetResidualCoeffs(rd->y_ac_levels[x + y * 4], &res); - it->top_nz_[x] = it->left_nz_[y] = RecordCoeffs(ctx, &res); - } - } - - // U/V - InitResidual(0, 2, it->enc_, &res); - for (ch = 0; ch <= 2; ch += 2) { - for (y = 0; y < 2; ++y) { - for (x = 0; x < 2; ++x) { - const int ctx = it->top_nz_[4 + ch + x] + it->left_nz_[4 + ch + y]; - SetResidualCoeffs(rd->uv_levels[ch * 2 + x + y * 2], &res); - it->top_nz_[4 + ch + x] = it->left_nz_[4 + ch + y] = - RecordCoeffs(ctx, &res); - } - } - } - - VP8IteratorBytesToNz(it); -} - -//----------------------------------------------------------------------------- -// ExtraInfo map / Debug function - -#if SEGMENT_VISU -static void SetBlock(uint8_t* p, int value, int size) { - int y; - for (y = 0; y < size; ++y) { - memset(p, value, size); - p += BPS; - } -} -#endif - -static void ResetSSE(VP8Encoder* const enc) { - memset(enc->sse_, 0, sizeof(enc->sse_)); - enc->sse_count_ = 0; -} - -static void StoreSSE(const VP8EncIterator* const it) { - VP8Encoder* const enc = it->enc_; - const uint8_t* const in = it->yuv_in_; - const uint8_t* const out = it->yuv_out_; - // Note: not totally accurate at boundary. And doesn't include in-loop filter. - enc->sse_[0] += VP8SSE16x16(in + Y_OFF, out + Y_OFF); - enc->sse_[1] += VP8SSE8x8(in + U_OFF, out + U_OFF); - enc->sse_[2] += VP8SSE8x8(in + V_OFF, out + V_OFF); - enc->sse_count_ += 16 * 16; -} - -static void StoreSideInfo(const VP8EncIterator* const it) { - VP8Encoder* const enc = it->enc_; - const VP8MBInfo* const mb = it->mb_; - WebPPicture* const pic = enc->pic_; - - if (pic->stats) { - StoreSSE(it); - enc->block_count_[0] += (mb->type_ == 0); - enc->block_count_[1] += (mb->type_ == 1); - enc->block_count_[2] += (mb->skip_ != 0); - } - - if (pic->extra_info) { - uint8_t* const info = &pic->extra_info[it->x_ + it->y_ * enc->mb_w_]; - switch(pic->extra_info_type) { - case 1: *info = mb->type_; break; - case 2: *info = mb->segment_; break; - case 3: *info = enc->dqm_[mb->segment_].quant_; break; - case 4: *info = (mb->type_ == 1) ? it->preds_[0] : 0xff; break; - case 5: *info = mb->uv_mode_; break; - case 6: { - const int b = (int)((it->luma_bits_ + it->uv_bits_ + 7) >> 3); - *info = (b > 255) ? 255 : b; break; - } - default: *info = 0; break; - }; - } -#if SEGMENT_VISU // visualize segments and prediction modes - SetBlock(it->yuv_out_ + Y_OFF, mb->segment_ * 64, 16); - SetBlock(it->yuv_out_ + U_OFF, it->preds_[0] * 64, 8); - SetBlock(it->yuv_out_ + V_OFF, mb->uv_mode_ * 64, 8); -#endif -} - -//----------------------------------------------------------------------------- -// Main loops -// -// VP8EncLoop(): does the final bitstream coding. - -static void ResetAfterSkip(VP8EncIterator* const it) { - if (it->mb_->type_ == 1) { - *it->nz_ = 0; // reset all predictors - it->left_nz_[8] = 0; - } else { - *it->nz_ &= (1 << 24); // preserve the dc_nz bit - } -} - -int VP8EncLoop(VP8Encoder* const enc) { - int i, s, p; - VP8EncIterator it; - VP8ModeScore info; - const int dont_use_skip = !enc->proba_.use_skip_proba_; - const int rd_opt = enc->rd_opt_level_; - const int kAverageBytesPerMB = 5; // TODO: have a kTable[quality/10] - const int bytes_per_parts = - enc->mb_w_ * enc->mb_h_ * kAverageBytesPerMB / enc->num_parts_; - - // Initialize the bit-writers - for (p = 0; p < enc->num_parts_; ++p) { - VP8BitWriterInit(enc->parts_ + p, bytes_per_parts); - } - - ResetStats(enc, rd_opt != 0); - ResetSSE(enc); - - VP8IteratorInit(enc, &it); - VP8InitFilter(&it); - do { - VP8IteratorImport(&it); - // Warning! order is important: first call VP8Decimate() and - // *then* decide how to code the skip decision if there's one. - if (!VP8Decimate(&it, &info, rd_opt) || dont_use_skip) { - CodeResiduals(it.bw_, &it, &info); - } else { // reset predictors after a skip - ResetAfterSkip(&it); - } - StoreSideInfo(&it); - VP8StoreFilterStats(&it); - VP8IteratorExport(&it); - } while (VP8IteratorNext(&it, it.yuv_out_)); - VP8AdjustFilterStrength(&it); - - // Finalize the partitions - for (p = 0; p < enc->num_parts_; ++p) { - VP8BitWriterFinish(enc->parts_ + p); - } - // and byte counters - if (enc->pic_->stats) { - for (i = 0; i <= 2; ++i) { - for (s = 0; s < NUM_MB_SEGMENTS; ++s) { - enc->residual_bytes_[i][s] = (int)((it.bit_count_[s][i] + 7) >> 3); - } - } - } - return 1; -} - -//----------------------------------------------------------------------------- -// VP8StatLoop(): only collect statistics (number of skips, token usage, ...) -// This is used for deciding optimal probabilities. It also -// modifies the quantizer value if some target (size, PNSR) -// was specified. - -#define kHeaderSizeEstimate (15 + 20 + 10) // TODO: fix better - -static int OneStatPass(VP8Encoder* const enc, float q, int rd_opt, int nb_mbs, - float* const PSNR) { - VP8EncIterator it; - uint64_t size = 0; - uint64_t distortion = 0; - const uint64_t pixel_count = nb_mbs * 384; - - // Make sure the quality parameter is inside valid bounds - if (q < 0.) { - q = 0; - } else if (q > 100.) { - q = 100; - } - - VP8SetSegmentParams(enc, q); // setup segment quantizations and filters - - ResetStats(enc, rd_opt != 0); - ResetTokenStats(enc); - - VP8IteratorInit(enc, &it); - do { - VP8ModeScore info; - VP8IteratorImport(&it); - if (VP8Decimate(&it, &info, rd_opt)) { - // Just record the number of skips and act like skip_proba is not used. - enc->proba_.nb_skip_++; - } - RecordResiduals(&it, &info); - size += info.R; - distortion += info.D; - } while (VP8IteratorNext(&it, it.yuv_out_) && --nb_mbs > 0); - size += FinalizeSkipProba(enc); - size += FinalizeTokenProbas(enc); - size += enc->segment_hdr_.size_; - size = ((size + 1024) >> 11) + kHeaderSizeEstimate; - - if (PSNR) { - *PSNR = (float)(10.* log10(255. * 255. * pixel_count / distortion)); - } - return (int)size; -} - -// successive refinement increments. -static const int dqs[] = { 20, 15, 10, 8, 6, 4, 2, 1, 0 }; - -int VP8StatLoop(VP8Encoder* const enc) { - const int do_search = - (enc->config_->target_size > 0 || enc->config_->target_PSNR > 0); - const int fast_probe = (enc->method_ < 2 && !do_search); - float q = enc->config_->quality; - int pass; - int nb_mbs; - - // Fast mode: quick analysis pass over few mbs. Better than nothing. - nb_mbs = enc->mb_w_ * enc->mb_h_; - if (fast_probe && nb_mbs > 100) nb_mbs = 100; - - // No target size: just do several pass without changing 'q' - if (!do_search) { - for (pass = 0; pass < enc->config_->pass; ++pass) { - const int rd_opt = (enc->method_ > 2); - OneStatPass(enc, q, rd_opt, nb_mbs, NULL); - } - return 1; - } - - // binary search for a size close to target - for (pass = 0; pass < enc->config_->pass || (dqs[pass] > 0); ++pass) { - const int rd_opt = 1; - float PSNR; - int criterion; - const int size = OneStatPass(enc, q, rd_opt, nb_mbs, &PSNR); -#if DEBUG_SEARCH - printf("#%d size=%d PSNR=%.2f q=%.2f\n", pass, size, PSNR, q); -#endif - - if (enc->config_->target_PSNR > 0) { - criterion = (PSNR < enc->config_->target_PSNR); - } else { - criterion = (size < enc->config_->target_size); - } - // dichotomize - if (criterion) { - q += dqs[pass]; - } else { - q -= dqs[pass]; - } - } - return 1; -} - -//----------------------------------------------------------------------------- - -#if defined(__cplusplus) || defined(c_plusplus) -} // extern "C" -#endif diff --git a/src/add-ons/translators/webp/libwebp/enc/iterator.c b/src/add-ons/translators/webp/libwebp/enc/iterator.c deleted file mode 100644 index 7cd9f0606f..0000000000 --- a/src/add-ons/translators/webp/libwebp/enc/iterator.c +++ /dev/null @@ -1,406 +0,0 @@ -// Copyright 2011 Google Inc. -// -// This code is licensed under the same terms as WebM: -// Software License Agreement: http://www.webmproject.org/license/software/ -// Additional IP Rights Grant: http://www.webmproject.org/license/additional/ -// ----------------------------------------------------------------------------- -// -// VP8Iterator: block iterator -// -// Author: Skal (pascal.massimino@gmail.com) - -#include -#include -#include "vp8enci.h" - -#if defined(__cplusplus) || defined(c_plusplus) -extern "C" { -#endif - -//----------------------------------------------------------------------------- -// VP8Iterator -//----------------------------------------------------------------------------- - -static void InitLeft(VP8EncIterator* const it) { - const VP8Encoder* const enc = it->enc_; - enc->y_left_[-1] = enc->u_left_[-1] = enc->v_left_[-1] = - (it->y_) > 0 ? 129 : 127; - memset(enc->y_left_, 129, 16); - memset(enc->u_left_, 129, 8); - memset(enc->v_left_, 129, 8); - it->left_nz_[8] = 0; -} - -static void InitTop(VP8EncIterator* const it) { - const VP8Encoder* const enc = it->enc_; - const int top_size = enc->mb_w_ * 16; - memset(enc->y_top_, 127, 2 * top_size); - memset(enc->nz_, 0, enc->mb_w_ * sizeof(*enc->nz_)); -} - -void VP8IteratorReset(VP8EncIterator* const it) { - VP8Encoder* const enc = it->enc_; - it->x_ = 0; - it->y_ = 0; - it->y_offset_ = 0; - it->uv_offset_ = 0; - it->mb_ = enc->mb_info_; - it->preds_ = enc->preds_; - it->nz_ = enc->nz_; - it->bw_ = &enc->parts_[0]; - it->done_ = enc->mb_w_* enc->mb_h_; - InitTop(it); - InitLeft(it); - memset(it->bit_count_, 0, sizeof(it->bit_count_)); - it->do_trellis_ = 0; -} - -void VP8IteratorInit(VP8Encoder* const enc, VP8EncIterator* const it) { - it->enc_ = enc; - it->y_stride_ = enc->pic_->y_stride; - it->uv_stride_ = enc->pic_->uv_stride; - // TODO(later): for multithreading, these should be owned by 'it'. - it->yuv_in_ = enc->yuv_in_; - it->yuv_out_ = enc->yuv_out_; - it->yuv_out2_ = enc->yuv_out2_; - it->yuv_p_ = enc->yuv_p_; - it->lf_stats_ = enc->lf_stats_; - VP8IteratorReset(it); -} - -//----------------------------------------------------------------------------- -// Import the source samples into the cache. Takes care of replicating -// boundary pixels if necessary. - -void VP8IteratorImport(const VP8EncIterator* const it) { - const VP8Encoder* const enc = it->enc_; - const int x = it->x_, y = it->y_; - const WebPPicture* const pic = enc->pic_; - const uint8_t* ysrc = pic->y + (y * pic->y_stride + x) * 16; - const uint8_t* usrc = pic->u + (y * pic->uv_stride + x) * 8; - const uint8_t* vsrc = pic->v + (y * pic->uv_stride + x) * 8; - uint8_t* ydst = it->yuv_in_ + Y_OFF; - uint8_t* udst = it->yuv_in_ + U_OFF; - uint8_t* vdst = it->yuv_in_ + V_OFF; - int w = (pic->width - x * 16); - int h = (pic->height - y * 16); - int i; - - if (w > 16) w = 16; - if (h > 16) h = 16; - // Luma plane - for (i = 0; i < h; ++i) { - memcpy(ydst, ysrc, w); - if (w < 16) memset(ydst + w, ydst[w - 1], 16 - w); - ydst += BPS; - ysrc += pic->y_stride; - } - for (i = h; i < 16; ++i) { - memcpy(ydst, ydst - BPS, 16); - ydst += BPS; - } - // U/V plane - w = (w + 1) / 2; - h = (h + 1) / 2; - for (i = 0; i < h; ++i) { - memcpy(udst, usrc, w); - memcpy(vdst, vsrc, w); - if (w < 8) { - memset(udst + w, udst[w - 1], 8 - w); - memset(vdst + w, vdst[w - 1], 8 - w); - } - udst += BPS; - vdst += BPS; - usrc += pic->uv_stride; - vsrc += pic->uv_stride; - } - for (i = h; i < 8; ++i) { - memcpy(udst, udst - BPS, 8); - memcpy(vdst, vdst - BPS, 8); - udst += BPS; - vdst += BPS; - } -} - -//----------------------------------------------------------------------------- -// Copy back the compressed samples into user space if requested. - -void VP8IteratorExport(const VP8EncIterator* const it) { - const VP8Encoder* const enc = it->enc_; - if (enc->config_->show_compressed) { - const int x = it->x_, y = it->y_; - const uint8_t* const ysrc = it->yuv_out_ + Y_OFF; - const uint8_t* const usrc = it->yuv_out_ + U_OFF; - const uint8_t* const vsrc = it->yuv_out_ + V_OFF; - const WebPPicture* const pic = enc->pic_; - uint8_t* ydst = pic->y + (y * pic->y_stride + x) * 16; - uint8_t* udst = pic->u + (y * pic->uv_stride + x) * 8; - uint8_t* vdst = pic->v + (y * pic->uv_stride + x) * 8; - int w = (pic->width - x * 16); - int h = (pic->height - y * 16); - int i; - - if (w > 16) w = 16; - if (h > 16) h = 16; - - // Luma plane - for (i = 0; i < h; ++i) { - memcpy(ydst + i * pic->y_stride, ysrc + i * BPS, w); - } - // U/V plane - w = (w + 1) / 2; - h = (h + 1) / 2; - for (i = 0; i < h; ++i) { - memcpy(udst + i * pic->uv_stride, usrc + i * BPS, w); - memcpy(vdst + i * pic->uv_stride, vsrc + i * BPS, w); - } - } -} - -//----------------------------------------------------------------------------- -// Non-zero contexts setup/teardown - -// Nz bits: -// 0 1 2 3 Y -// 4 5 6 7 -// 8 9 10 11 -// 12 13 14 15 -// 16 17 U -// 18 19 -// 20 21 V -// 22 23 -// 24 DC-intra16 - -// Convert packed context to byte array -#define BIT(nz, n) (!!((nz) & (1 << (n)))) - -void VP8IteratorNzToBytes(VP8EncIterator* const it) { - const int tnz = it->nz_[0], lnz = it->nz_[-1]; - - // Top-Y - it->top_nz_[0] = BIT(tnz, 12); - it->top_nz_[1] = BIT(tnz, 13); - it->top_nz_[2] = BIT(tnz, 14); - it->top_nz_[3] = BIT(tnz, 15); - // Top-U - it->top_nz_[4] = BIT(tnz, 18); - it->top_nz_[5] = BIT(tnz, 19); - // Top-V - it->top_nz_[6] = BIT(tnz, 22); - it->top_nz_[7] = BIT(tnz, 23); - // DC - it->top_nz_[8] = BIT(tnz, 24); - - // left-Y - it->left_nz_[0] = BIT(lnz, 3); - it->left_nz_[1] = BIT(lnz, 7); - it->left_nz_[2] = BIT(lnz, 11); - it->left_nz_[3] = BIT(lnz, 15); - // left-U - it->left_nz_[4] = BIT(lnz, 17); - it->left_nz_[5] = BIT(lnz, 19); - // left-V - it->left_nz_[6] = BIT(lnz, 21); - it->left_nz_[7] = BIT(lnz, 23); - // left-DC is special, iterated separately -} - -void VP8IteratorBytesToNz(VP8EncIterator* const it) { - uint32_t nz = 0; - // top - nz |= (it->top_nz_[0] << 12) | (it->top_nz_[1] << 13); - nz |= (it->top_nz_[2] << 14) | (it->top_nz_[3] << 15); - nz |= (it->top_nz_[4] << 18) | (it->top_nz_[5] << 19); - nz |= (it->top_nz_[6] << 22) | (it->top_nz_[7] << 23); - nz |= (it->top_nz_[8] << 24); // we propagate the _top_ bit, esp. for intra4 - // left - nz |= (it->left_nz_[0] << 3) | (it->left_nz_[1] << 7) | (it->left_nz_[2] << 11); - nz |= (it->left_nz_[4] << 17) | (it->left_nz_[6] << 21); - - *it->nz_ = nz; -} - -#undef BIT - -//----------------------------------------------------------------------------- -// Advance to the next position, doing the bookeeping. - -int VP8IteratorNext(VP8EncIterator* const it, - const uint8_t* const block_to_save) { - VP8Encoder* const enc = it->enc_; - if (block_to_save) { - const int x = it->x_, y = it->y_; - const uint8_t* const ysrc = block_to_save + Y_OFF; - const uint8_t* const usrc = block_to_save + U_OFF; - if (x < enc->mb_w_ - 1) { // left - int i; - for (i = 0; i < 16; ++i) { - enc->y_left_[i] = ysrc[15 + i * BPS]; - } - for (i = 0; i < 8; ++i) { - enc->u_left_[i] = usrc[7 + i * BPS]; - enc->v_left_[i] = usrc[15 + i * BPS]; - } - // top-left (before 'top'!) - enc->y_left_[-1] = enc->y_top_[x * 16 + 15]; - enc->u_left_[-1] = enc->uv_top_[x * 16 + 0 + 7]; - enc->v_left_[-1] = enc->uv_top_[x * 16 + 8 + 7]; - } - if (y < enc->mb_h_ - 1) { // top - memcpy(enc->y_top_ + x * 16, ysrc + 15 * BPS, 16); - memcpy(enc->uv_top_ + x * 16, usrc + 7 * BPS, 8 + 8); - } - } - - it->mb_++; - it->preds_ += 4; - it->nz_++; - it->x_++; - if (it->x_ == enc->mb_w_) { - it->x_ = 0; - it->y_++; - it->bw_ = &enc->parts_[it->y_ & (enc->num_parts_ - 1)]; - it->preds_ = enc->preds_ + it->y_ * 4 * enc->preds_w_; - it->nz_ = enc->nz_; - InitLeft(it); - } - return (0 < --it->done_); -} - -//----------------------------------------------------------------------------- -// Helper function to set mode properties - -void VP8SetIntra16Mode(const VP8EncIterator* it, int mode) { - int y; - uint8_t* preds = it->preds_; - for (y = 0; y < 4; ++y) { - memset(preds, mode, 4); - preds += it->enc_->preds_w_; - } - it->mb_->type_ = 1; -} - -void VP8SetIntra4Mode(const VP8EncIterator* const it, int modes[16]) { - int x, y; - uint8_t* preds = it->preds_; - for (y = 0; y < 4; ++y) { - for (x = 0; x < 4; ++x) { - preds[x] = modes[x + y * 4]; - } - preds += it->enc_->preds_w_; - } - it->mb_->type_ = 0; -} - -void VP8SetIntraUVMode(const VP8EncIterator* const it, int mode) { - it->mb_->uv_mode_ = mode; -} - -void VP8SetSkip(const VP8EncIterator* const it, int skip) { - it->mb_->skip_ = skip; -} - -void VP8SetSegment(const VP8EncIterator* const it, int segment) { - it->mb_->segment_ = segment; -} - -//----------------------------------------------------------------------------- -// Intra4x4 sub-blocks iteration -// -// We store and update the boundary samples into an array of 37 pixels. They -// are updated as we iterate and reconstructs each intra4x4 blocks in turn. -// The position of the samples has the following snake pattern: -// -// 16|17 18 19 20|21 22 23 24|25 26 27 28|29 30 31 32|33 34 35 36 <- Top-right -// --+-----------+-----------+-----------+-----------+ -// 15| 19| 23| 27| 31| -// 14| 18| 22| 26| 30| -// 13| 17| 21| 25| 29| -// 12|13 14 15 16|17 18 19 20|21 22 23 24|25 26 27 28| -// --+-----------+-----------+-----------+-----------+ -// 11| 15| 19| 23| 27| -// 10| 14| 18| 22| 26| -// 9| 13| 17| 21| 25| -// 8| 9 10 11 12|13 14 15 16|17 18 19 20|21 22 23 24| -// --+-----------+-----------+-----------+-----------+ -// 7| 11| 15| 19| 23| -// 6| 10| 14| 18| 22| -// 5| 9| 13| 17| 21| -// 4| 5 6 7 8| 9 10 11 12|13 14 15 16|17 18 19 20| -// --+-----------+-----------+-----------+-----------+ -// 3| 7| 11| 15| 19| -// 2| 6| 10| 14| 18| -// 1| 5| 9| 13| 17| -// 0| 1 2 3 4| 5 6 7 8| 9 10 11 12|13 14 15 16| -// --+-----------+-----------+-----------+-----------+ - -// Array to record the position of the top sample to pass to the prediction -// functions in dsp.c. -static const uint8_t VP8TopLeftI4[16] = { - 17, 21, 25, 29, - 13, 17, 21, 25, - 9, 13, 17, 21, - 5, 9, 13, 17 -}; - -void VP8IteratorStartI4(VP8EncIterator* const it) { - VP8Encoder* const enc = it->enc_; - int i; - - it->i4_ = 0; // first 4x4 sub-block - it->i4_top_ = it->i4_boundary_ + VP8TopLeftI4[0]; - - // Import the boundary samples - for (i = 0; i < 17; ++i) { // left - it->i4_boundary_[i] = enc->y_left_[15 - i]; - } - for (i = 0; i < 16; ++i) { // top - it->i4_boundary_[17 + i] = enc->y_top_[it->x_ * 16 + i]; - } - // top-right samples have a special case on the far right of the picture - if (it->x_ < enc->mb_w_ - 1) { - for (i = 16; i < 16 + 4; ++i) { - it->i4_boundary_[17 + i] = enc->y_top_[it->x_ * 16 + i]; - } - } else { // else, replicate the last valid pixel four times - for (i = 16; i < 16 + 4; ++i) { - it->i4_boundary_[17 + i] = it->i4_boundary_[17 + 15]; - } - } - VP8IteratorNzToBytes(it); // import the non-zero context -} - -int VP8IteratorRotateI4(VP8EncIterator* const it, - const uint8_t* const yuv_out) { - const uint8_t* const blk = yuv_out + VP8Scan[it->i4_]; - uint8_t* const top = it->i4_top_; - int i; - - // Update the cache with 7 fresh samples - for (i = 0; i <= 3; ++i) { - top[-4 + i] = blk[i + 3 * BPS]; // store future top samples - } - if ((it->i4_ & 3) != 3) { // if not on the right sub-blocks #3, #7, #11, #15 - for (i = 0; i <= 2; ++i) { // store future left samples - top[i] = blk[3 + (2 - i) * BPS]; - } - } else { // else replicate top-right samples, as says the specs. - for (i = 0; i <= 3; ++i) { - top[i] = top[i + 4]; - } - } - // move pointers to next sub-block - it->i4_++; - if (it->i4_ == 16) { // we're done - return 0; - } - - it->i4_top_ = it->i4_boundary_ + VP8TopLeftI4[it->i4_]; - return 1; -} - -//----------------------------------------------------------------------------- - -#if defined(__cplusplus) || defined(c_plusplus) -} // extern "C" -#endif diff --git a/src/add-ons/translators/webp/libwebp/enc/picture.c b/src/add-ons/translators/webp/libwebp/enc/picture.c deleted file mode 100644 index 5b8d98b9ce..0000000000 --- a/src/add-ons/translators/webp/libwebp/enc/picture.c +++ /dev/null @@ -1,316 +0,0 @@ -// Copyright 2011 Google Inc. -// -// This code is licensed under the same terms as WebM: -// Software License Agreement: http://www.webmproject.org/license/software/ -// Additional IP Rights Grant: http://www.webmproject.org/license/additional/ -// ----------------------------------------------------------------------------- -// -// WebPPicture utils: colorspace conversion, crop, ... -// -// Author: Skal (pascal.massimino@gmail.com) - -#include -#include "vp8enci.h" - -#if defined(__cplusplus) || defined(c_plusplus) -extern "C" { -#endif - -//----------------------------------------------------------------------------- -// WebPPicture -//----------------------------------------------------------------------------- - -int WebPPictureAlloc(WebPPicture* const picture) { - if (picture) { - const int width = picture->width; - const int height = picture->height; - const int uv_width = (width + 1) / 2; - const int uv_height = (height + 1) / 2; - const uint64_t y_size = (uint64_t)width * height; - const uint64_t uv_size = (uint64_t)uv_width * uv_height; - const uint64_t total_size = y_size + 2 * uv_size; - // Security and validation checks - if (uv_width <= 0 || uv_height <= 0 || // check param error - y_size >= (1ULL << 40) || // check for reasonable global size - (size_t)total_size != total_size) { // check for overflow on 32bit - return 0; - } - picture->y_stride = width; - picture->uv_stride = uv_width; - WebPPictureFree(picture); // erase previous buffer - picture->y = (uint8_t*)malloc(total_size); - if (picture->y == NULL) return 0; - picture->u = picture->y + y_size; - picture->v = picture->u + uv_size; - } - return 1; -} - -void WebPPictureFree(WebPPicture* const picture) { - if (picture) { - free(picture->y); - picture->y = picture->u = picture->v = NULL; - } -} - -//----------------------------------------------------------------------------- - -int WebPPictureCopy(const WebPPicture* const src, WebPPicture* const dst) { - int y; - if (src == NULL || dst == NULL) return 0; - if (src == dst) return 1; - *dst = *src; - dst->y = NULL; - if (!WebPPictureAlloc(dst)) return 0; - for (y = 0; y < dst->height; ++y) { - memcpy(dst->y + y * dst->y_stride, src->y + y * src->y_stride, src->width); - } - for (y = 0; y < (dst->height + 1) / 2; ++y) { - memcpy(dst->u + y * dst->uv_stride, - src->u + y * src->uv_stride, (src->width + 1) / 2); - memcpy(dst->v + y * dst->uv_stride, - src->v + y * src->uv_stride, (src->width + 1) / 2); - } - return 1; -} - -int WebPPictureCrop(WebPPicture* const pic, - int left, int top, int width, int height) { - WebPPicture tmp; - int y; - - if (pic == NULL) return 0; - if (width <= 0 || height <= 0) return 0; - if (left < 0 || ((left + width + 1) & ~1) > pic->width) return 0; - if (top < 0 || ((top + height + 1) & ~1) > pic->height) return 0; - - tmp = *pic; - tmp.y = NULL; - tmp.width = width; - tmp.height = height; - if (!WebPPictureAlloc(&tmp)) return 0; - - for (y = 0; y < height; ++y) { - memcpy(tmp.y + y * tmp.y_stride, - pic->y + (top + y) * pic->y_stride + left, width); - } - for (y = 0; y < (height + 1) / 2; ++y) { - const int offset = (y + top / 2) * pic->uv_stride + left / 2; - memcpy(tmp.u + y * tmp.uv_stride, pic->u + offset, (width + 1) / 2); - memcpy(tmp.v + y * tmp.uv_stride, pic->v + offset, (width + 1) / 2); - } - WebPPictureFree(pic); - *pic = tmp; - return 1; -} - -//----------------------------------------------------------------------------- -// Write-to-memory - -typedef struct { - uint8_t** mem; - size_t max_size; - size_t* size; -} WebPMemoryWriter; - -static void InitMemoryWriter(WebPMemoryWriter* const writer) { - *writer->mem = NULL; - *writer->size = 0; - writer->max_size = 0; -} - -static int WebPMemoryWrite(const uint8_t* data, size_t data_size, - const WebPPicture* const picture) { - WebPMemoryWriter* const w = (WebPMemoryWriter*)picture->custom_ptr; - size_t next_size; - if (w == NULL) { - return 1; - } - next_size = (*w->size) + data_size; - if (next_size > w->max_size) { - uint8_t* new_mem; - size_t next_max_size = w->max_size * 2; - if (next_max_size < next_size) next_max_size = next_size; - if (next_max_size < 8192) next_max_size = 8192; - new_mem = (uint8_t*)malloc(next_max_size); - if (new_mem == NULL) { - return 0; - } - if ((*w->size) > 0) { - memcpy(new_mem, *w->mem, *w->size); - } - free(*w->mem); - *w->mem = new_mem; - w->max_size = next_max_size; - } - if (data_size) { - memcpy((*w->mem) + (*w->size), data, data_size); - *w->size += data_size; - } - return 1; -} - -//----------------------------------------------------------------------------- -// RGB -> YUV conversion -// The exact naming is Y'CbCr, following the ITU-R BT.601 standard. -// More information at: http://en.wikipedia.org/wiki/YCbCr -// Y = 0.2569 * R + 0.5044 * G + 0.0979 * B + 16 -// U = -0.1483 * R - 0.2911 * G + 0.4394 * B + 128 -// V = 0.4394 * R - 0.3679 * G - 0.0715 * B + 128 -// We use 16bit fixed point operations. - -enum { YUV_FRAC = 16 }; - -static inline int clip_uv(int v) { - v = (v + (257 << (YUV_FRAC + 2 - 1))) >> (YUV_FRAC + 2); - return ((v & ~0xff) == 0) ? v : (v < 0) ? 0u : 255u; -} - -static inline int rgb_to_y(int r, int g, int b) { - const int kRound = (1 << (YUV_FRAC - 1)) + (16 << YUV_FRAC); - const int luma = 16839 * r + 33059 * g + 6420 * b; - return (luma + kRound) >> YUV_FRAC; // no need to clip -} - -static inline int rgb_to_u(int r, int g, int b) { - return clip_uv(-9719 * r - 19081 * g + 28800 * b); -} - -static inline int rgb_to_v(int r, int g, int b) { - return clip_uv(+28800 * r - 24116 * g - 4684 * b); -} - -// TODO: we can do better than simply 2x2 averaging on U/V samples. -#define SUM4(ptr) ((ptr)[0] + (ptr)[step] + \ - (ptr)[rgb_stride] + (ptr)[rgb_stride + step]) -#define SUM2H(ptr) (2 * (ptr)[0] + 2 * (ptr)[step]) -#define SUM2V(ptr) (2 * (ptr)[0] + 2 * (ptr)[rgb_stride]) -#define SUM1(ptr) (4 * (ptr)[0]) -#define RGB_TO_UV(x, y, SUM) { \ - const int src = (2 * (step * (x) + (y) * rgb_stride)); \ - const int dst = (x) + (y) * picture->uv_stride; \ - const int r = SUM(r_ptr + src); \ - const int g = SUM(g_ptr + src); \ - const int b = SUM(b_ptr + src); \ - picture->u[dst] = rgb_to_u(r, g, b); \ - picture->v[dst] = rgb_to_v(r, g, b); \ -} - -static int Import(WebPPicture* const picture, - const uint8_t* const rgb, int rgb_stride, - int step, int swap) { - int x, y; - const uint8_t* const r_ptr = rgb + (swap ? 2 : 0); - const uint8_t* const g_ptr = rgb + 1; - const uint8_t* const b_ptr = rgb + (swap ? 0 : 2); - - for (y = 0; y < picture->height; ++y) { - for (x = 0; x < picture->width; ++x) { - const int offset = step * x + y * rgb_stride; - picture->y[x + y * picture->y_stride] = - rgb_to_y(r_ptr[offset], g_ptr[offset], b_ptr[offset]); - } - } - for (y = 0; y < (picture->height >> 1); ++y) { - for (x = 0; x < (picture->width >> 1); ++x) { - RGB_TO_UV(x, y, SUM4); - } - if (picture->width & 1) { - RGB_TO_UV(x, y, SUM2V); - } - } - if (picture->height & 1) { - for (x = 0; x < (picture->width >> 1); ++x) { - RGB_TO_UV(x, y, SUM2H); - } - if (picture->width & 1) { - RGB_TO_UV(x, y, SUM1); - } - } - return 1; -} -#undef SUM4 -#undef SUM2V -#undef SUM2H -#undef SUM1 -#undef RGB_TO_UV - -int WebPPictureImportRGB(WebPPicture* const picture, - const uint8_t* const rgb, int rgb_stride) { - if (!WebPPictureAlloc(picture)) return 0; - return Import(picture, rgb, rgb_stride, 3, 0); -} - -int WebPPictureImportBGR(WebPPicture* const picture, - const uint8_t* const rgb, int rgb_stride) { - if (!WebPPictureAlloc(picture)) return 0; - return Import(picture, rgb, rgb_stride, 3, 1); -} - -int WebPPictureImportRGBA(WebPPicture* const picture, - const uint8_t* const rgba, int rgba_stride) { - if (!WebPPictureAlloc(picture)) return 0; - return Import(picture, rgba, rgba_stride, 4, 0); -} - -int WebPPictureImportBGRA(WebPPicture* const picture, - const uint8_t* const rgba, int rgba_stride) { - if (!WebPPictureAlloc(picture)) return 0; - return Import(picture, rgba, rgba_stride, 4, 1); -} - -//----------------------------------------------------------------------------- -// Simplest call: - -typedef int (*Importer)(WebPPicture* const, const uint8_t* const, int); - -static size_t Encode(const uint8_t* rgb, int width, int height, int stride, - Importer import, float quality_factor, uint8_t** output) { - size_t output_size = 0; - WebPPicture pic; - WebPConfig config; - WebPMemoryWriter wrt; - int ok; - - if (!WebPConfigPreset(&config, WEBP_PRESET_DEFAULT, quality_factor) || - !WebPPictureInit(&pic)) { - return 0; // shouldn't happen, except if system installation is broken - } - - pic.width = width; - pic.height = height; - pic.writer = WebPMemoryWrite; - pic.custom_ptr = &wrt; - - wrt.mem = output; - wrt.size = &output_size; - InitMemoryWriter(&wrt); - - ok = import(&pic, rgb, stride) && WebPEncode(&config, &pic); - WebPPictureFree(&pic); - if (!ok) { - free(*output); - *output = NULL; - return 0; - } - return output_size; -} - -#define ENCODE_FUNC(NAME, IMPORTER) \ -size_t NAME(const uint8_t* in, int w, int h, int bps, float q, \ - uint8_t** out) { \ - return Encode(in, w, h, bps, IMPORTER, q, out); \ -} - -ENCODE_FUNC(WebPEncodeRGB, WebPPictureImportRGB); -ENCODE_FUNC(WebPEncodeBGR, WebPPictureImportBGR); -ENCODE_FUNC(WebPEncodeRGBA, WebPPictureImportRGBA); -ENCODE_FUNC(WebPEncodeBGRA, WebPPictureImportBGRA); - -#undef ENCODE_FUNC - -//----------------------------------------------------------------------------- - -#if defined(__cplusplus) || defined(c_plusplus) -} // extern "C" -#endif diff --git a/src/add-ons/translators/webp/libwebp/enc/quant.c b/src/add-ons/translators/webp/libwebp/enc/quant.c deleted file mode 100644 index f3b99a0877..0000000000 --- a/src/add-ons/translators/webp/libwebp/enc/quant.c +++ /dev/null @@ -1,956 +0,0 @@ -// Copyright 2011 Google Inc. -// -// This code is licensed under the same terms as WebM: -// Software License Agreement: http://www.webmproject.org/license/software/ -// Additional IP Rights Grant: http://www.webmproject.org/license/additional/ -// ----------------------------------------------------------------------------- -// -// Quantization -// -// Author: Skal (pascal.massimino@gmail.com) - -#include -#include - -#include "vp8enci.h" -#include "cost.h" - -#define DO_TRELLIS_I4 1 -#define DO_TRELLIS_I16 1 // not a huge gain, but ok at low bitrate. -#define DO_TRELLIS_UV 0 // disable trellis for UV. Risky. Not worth. -#define USE_TDISTO 1 - -#define MID_ALPHA 64 // neutral value for susceptibility -#define MIN_ALPHA 30 // lowest usable value for susceptibility -#define MAX_ALPHA 100 // higher meaninful value for susceptibility - -#define SNS_TO_DQ 0.9 // Scaling constant between the sns value and the QP - // power-law modulation. Must be strictly less than 1. - -#define MULT_8B(a, b) (((a) * (b) + 128) >> 8) - -#if defined(__cplusplus) || defined(c_plusplus) -extern "C" { -#endif - -//----------------------------------------------------------------------------- - -static inline int clip(int v, int m, int M) { - return v < m ? m : v > M ? M : v; -} - -static const uint8_t kZigzag[16] = { - 0, 1, 4, 8, 5, 2, 3, 6, 9, 12, 13, 10, 7, 11, 14, 15 -}; - -static const uint8_t kDcTable[128] = { - 4, 5, 6, 7, 8, 9, 10, 10, - 11, 12, 13, 14, 15, 16, 17, 17, - 18, 19, 20, 20, 21, 21, 22, 22, - 23, 23, 24, 25, 25, 26, 27, 28, - 29, 30, 31, 32, 33, 34, 35, 36, - 37, 37, 38, 39, 40, 41, 42, 43, - 44, 45, 46, 46, 47, 48, 49, 50, - 51, 52, 53, 54, 55, 56, 57, 58, - 59, 60, 61, 62, 63, 64, 65, 66, - 67, 68, 69, 70, 71, 72, 73, 74, - 75, 76, 76, 77, 78, 79, 80, 81, - 82, 83, 84, 85, 86, 87, 88, 89, - 91, 93, 95, 96, 98, 100, 101, 102, - 104, 106, 108, 110, 112, 114, 116, 118, - 122, 124, 126, 128, 130, 132, 134, 136, - 138, 140, 143, 145, 148, 151, 154, 157 -}; - -static const uint16_t kAcTable[128] = { - 4, 5, 6, 7, 8, 9, 10, 11, - 12, 13, 14, 15, 16, 17, 18, 19, - 20, 21, 22, 23, 24, 25, 26, 27, - 28, 29, 30, 31, 32, 33, 34, 35, - 36, 37, 38, 39, 40, 41, 42, 43, - 44, 45, 46, 47, 48, 49, 50, 51, - 52, 53, 54, 55, 56, 57, 58, 60, - 62, 64, 66, 68, 70, 72, 74, 76, - 78, 80, 82, 84, 86, 88, 90, 92, - 94, 96, 98, 100, 102, 104, 106, 108, - 110, 112, 114, 116, 119, 122, 125, 128, - 131, 134, 137, 140, 143, 146, 149, 152, - 155, 158, 161, 164, 167, 170, 173, 177, - 181, 185, 189, 193, 197, 201, 205, 209, - 213, 217, 221, 225, 229, 234, 239, 245, - 249, 254, 259, 264, 269, 274, 279, 284 -}; - -static const uint16_t kAcTable2[128] = { - 8, 8, 9, 10, 12, 13, 15, 17, - 18, 20, 21, 23, 24, 26, 27, 29, - 31, 32, 34, 35, 37, 38, 40, 41, - 43, 44, 46, 48, 49, 51, 52, 54, - 55, 57, 58, 60, 62, 63, 65, 66, - 68, 69, 71, 72, 74, 75, 77, 79, - 80, 82, 83, 85, 86, 88, 89, 93, - 96, 99, 102, 105, 108, 111, 114, 117, - 120, 124, 127, 130, 133, 136, 139, 142, - 145, 148, 151, 155, 158, 161, 164, 167, - 170, 173, 176, 179, 184, 189, 193, 198, - 203, 207, 212, 217, 221, 226, 230, 235, - 240, 244, 249, 254, 258, 263, 268, 274, - 280, 286, 292, 299, 305, 311, 317, 323, - 330, 336, 342, 348, 354, 362, 370, 379, - 385, 393, 401, 409, 416, 424, 432, 440 -}; - -#define QFIX 17 -#define BIAS(b) ((b) << (QFIX - 8)) -static const uint16_t kCoeffThresh[16] = { - 0, 10, 20, 30, - 10, 20, 30, 30, - 20, 30, 30, 30, - 30, 30, 30, 30 -}; - -// TODO(skal): tune more. Coeff thresholding? -static const uint8_t kBiasMatrices[3][16] = { // [3] = [luma-ac,luma-dc,chroma] - { 96, 96, 96, 96, - 96, 96, 96, 96, - 96, 96, 96, 96, - 96, 96, 96, 96 }, - { 96, 96, 96, 96, - 96, 96, 96, 96, - 96, 96, 96, 96, - 96, 96, 96, 96 }, - { 96, 96, 96, 96, - 96, 96, 96, 96, - 96, 96, 96, 96, - 96, 96, 96, 96 } -}; - -// Sharpening by (slightly) raising the hi-frequency coeffs (only for trellis). -// Hack-ish but helpful for mid-bitrate range. Use with care. -static const uint8_t kFreqSharpening[16] = { - 0, 30, 60, 90, - 30, 60, 90, 90, - 60, 90, 90, 90, - 90, 90, 90, 90 -}; - -//----------------------------------------------------------------------------- -// Initialize quantization parameters in VP8Matrix - -// Returns the average quantizer -static int ExpandMatrix(VP8Matrix* const m, int type) { - int i; - int sum = 0; - for (i = 2; i < 16; ++i) { - m->q_[i] = m->q_[1]; - } - for (i = 0; i < 16; ++i) { - const int j = kZigzag[i]; - const int bias = kBiasMatrices[type][j]; - m->iq_[j] = (1 << QFIX) / m->q_[j]; - m->bias_[j] = BIAS(bias); - // TODO(skal): tune kCoeffThresh[] - m->zthresh_[j] = ((256 /*+ kCoeffThresh[j]*/ - bias) * m->q_[j] + 127) >> 8; - m->sharpen_[j] = (kFreqSharpening[j] * m->q_[j]) >> 11; - sum += m->q_[j]; - } - return (sum + 8) >> 4; -} - -static void SetupMatrices(VP8Encoder* enc) { - int i; - const int tlambda_scale = - (enc->method_ >= 4) ? enc->config_->sns_strength - : 0; - const int num_segments = enc->segment_hdr_.num_segments_; - for (i = 0; i < num_segments; ++i) { - VP8SegmentInfo* const m = &enc->dqm_[i]; - const int q = m->quant_; - int q4, q16, quv; - m->y1_.q_[0] = kDcTable[clip(q + enc->dq_y1_dc_, 0, 127)]; - m->y1_.q_[1] = kAcTable[clip(q, 0, 127)]; - - m->y2_.q_[0] = kDcTable[ clip(q + enc->dq_y2_dc_, 0, 127)] * 2; - m->y2_.q_[1] = kAcTable2[clip(q + enc->dq_y2_ac_, 0, 127)]; - - m->uv_.q_[0] = kDcTable[clip(q + enc->dq_uv_dc_, 0, 117)]; - m->uv_.q_[1] = kAcTable[clip(q + enc->dq_uv_ac_, 0, 127)]; - - q4 = ExpandMatrix(&m->y1_, 0); - q16 = ExpandMatrix(&m->y2_, 1); - quv = ExpandMatrix(&m->uv_, 2); - - // TODO: Switch to kLambda*[] tables? - { - m->lambda_i4_ = (3 * q4 * q4) >> 7; - m->lambda_i16_ = (3 * q16 * q16); - m->lambda_uv_ = (3 * quv * quv) >> 6; - m->lambda_mode_ = (1 * q4 * q4) >> 7; - m->lambda_trellis_i4_ = (7 * q4 * q4) >> 3; - m->lambda_trellis_i16_ = (q16 * q16) >> 2; - m->lambda_trellis_uv_ = (quv *quv) << 1; - m->tlambda_ = (tlambda_scale * q4) >> 5; - } - } -} - -//----------------------------------------------------------------------------- -// Initialize filtering parameters - -// Very small filter-strength values have close to no visual effect. So we can -// save a little decoding-CPU by turning filtering off for these. -#define FSTRENGTH_CUTOFF 3 - -static void SetupFilterStrength(VP8Encoder* const enc) { - int i; - const int level0 = enc->config_->filter_strength; - for (i = 0; i < NUM_MB_SEGMENTS; ++i) { - // Segments with lower quantizer will be less filtered. TODO: tune (wrt SNS) - const int level = level0 * 256 * enc->dqm_[i].quant_ / 128; - const int f = level / (256 + enc->dqm_[i].beta_); - enc->dqm_[i].fstrength_ = (f < FSTRENGTH_CUTOFF) ? 0 : (f > 63) ? 63 : f; - } - // We record the initial strength (mainly for the case of 1-segment only). - enc->filter_hdr_.level_ = enc->dqm_[0].fstrength_; - enc->filter_hdr_.simple_ = (enc->config_->filter_type == 0); - enc->filter_hdr_.sharpness_ = enc->config_->filter_sharpness; -} - -//----------------------------------------------------------------------------- - -// Note: if you change the values below, remember that the max range -// allowed by the syntax for DQ_UV is [-16,16]. -#define MAX_DQ_UV (6) -#define MIN_DQ_UV (-4) - -// We want to emulate jpeg-like behaviour where the expected "good" quality -// is around q=75. Internally, our "good" middle is around c=50. So we -// map accordingly using linear piece-wise function -static double QualityToCompression(double q) { - const double c = q / 100.; - return (c < 0.75) ? c * (2. / 3.) : 2. * c - 1.; -} - -void VP8SetSegmentParams(VP8Encoder* const enc, float quality) { - int i; - int dq_uv_ac, dq_uv_dc; - const int num_segments = enc->config_->segments; - const double amp = SNS_TO_DQ * enc->config_->sns_strength / 100. / 128.; - const double c_base = QualityToCompression(quality); - for (i = 0; i < num_segments; ++i) { - // The file size roughly scales as pow(quantizer, 3.). Actually, the - // exponent is somewhere between 2.8 and 3.2, but we're mostly interested - // in the mid-quant range. So we scale the compressibility inversely to - // this power-law: quant ~= compression ^ 1/3. This law holds well for - // low quant. Finer modelling for high-quant would make use of kAcTable[] - // more explicitely. - // Additionally, we modulate the base exponent 1/3 to accommodate for the - // quantization susceptibility and allow denser segments to be quantized - // more. - const double expn = (1. - amp * enc->dqm_[i].alpha_) / 3.; - const double c = pow(c_base, expn); - const int q = (int)(127. * (1. - c)); - assert(expn > 0.); - enc->dqm_[i].quant_ = clip(q, 0, 127); - } - - // purely indicative in the bitstream (except for the 1-segment case) - enc->base_quant_ = enc->dqm_[0].quant_; - - // fill-in values for the unused segments (required by the syntax) - for (i = num_segments; i < NUM_MB_SEGMENTS; ++i) { - enc->dqm_[i].quant_ = enc->base_quant_; - } - - // uv_alpha_ is normally spread around ~60. The useful range is - // typically ~30 (quite bad) to ~100 (ok to decimate UV more). - // We map it to the safe maximal range of MAX/MIN_DQ_UV for dq_uv. - dq_uv_ac = (enc->uv_alpha_ - MID_ALPHA) * (MAX_DQ_UV - MIN_DQ_UV) - / (MAX_ALPHA - MIN_ALPHA); - // we rescale by the user-defined strength of adaptation - dq_uv_ac = dq_uv_ac * enc->config_->sns_strength / 100; - // and make it safe. - dq_uv_ac = clip(dq_uv_ac, MIN_DQ_UV, MAX_DQ_UV); - // We also boost the dc-uv-quant a little, based on sns-strength, since - // U/V channels are quite more reactive to high quants (flat DC-blocks - // tend to appear, and are displeasant). - dq_uv_dc = -4 * enc->config_->sns_strength / 100; - dq_uv_dc = clip(dq_uv_dc, -15, 15); // 4bit-signed max allowed - - enc->dq_y1_dc_ = 0; // TODO(skal): dq-lum - enc->dq_y2_dc_ = 0; - enc->dq_y2_ac_ = 0; - enc->dq_uv_dc_ = dq_uv_dc; - enc->dq_uv_ac_ = dq_uv_ac; - - SetupMatrices(enc); - - SetupFilterStrength(enc); // initialize segments' filtering, eventually -} - -//----------------------------------------------------------------------------- -// Form the predictions in cache - -// Must be ordered using {DC_PRED, TM_PRED, V_PRED, H_PRED} as index -const int VP8I16ModeOffsets[4] = { I16DC16, I16TM16, I16VE16, I16HE16 }; -const int VP8UVModeOffsets[4] = { C8DC8, C8TM8, C8VE8, C8HE8 }; - -// Must be indexed using {B_DC_PRED -> B_HU_PRED} as index -const int VP8I4ModeOffsets[NUM_BMODES] = { - I4DC4, I4TM4, I4VE4, I4HE4, I4RD4, I4VR4, I4LD4, I4VL4, I4HD4, I4HU4 -}; - -void VP8MakeLuma16Preds(const VP8EncIterator* const it) { - VP8Encoder* const enc = it->enc_; - const uint8_t* left = it->x_ ? enc->y_left_ : NULL; - const uint8_t* top = it->y_ ? enc->y_top_ + it->x_ * 16 : NULL; - VP8EncPredLuma16(it->yuv_p_, left, top); -} - -void VP8MakeChroma8Preds(const VP8EncIterator* const it) { - VP8Encoder* const enc = it->enc_; - const uint8_t* left = it->x_ ? enc->u_left_ : NULL; - const uint8_t* top = it->y_ ? enc->uv_top_ + it->x_ * 16 : NULL; - VP8EncPredChroma8(it->yuv_p_, left, top); -} - -void VP8MakeIntra4Preds(const VP8EncIterator* const it) { - VP8EncPredLuma4(it->yuv_p_, it->i4_top_); -} - -//----------------------------------------------------------------------------- -// Quantize - -// Layout: -// +----+ -// |YYYY| 0 -// |YYYY| 4 -// |YYYY| 8 -// |YYYY| 12 -// +----+ -// |UUVV| 16 -// |UUVV| 20 -// +----+ - -const int VP8Scan[16 + 4 + 4] = { - // Luma - 0 + 0 * BPS, 4 + 0 * BPS, 8 + 0 * BPS, 12 + 0 * BPS, - 0 + 4 * BPS, 4 + 4 * BPS, 8 + 4 * BPS, 12 + 4 * BPS, - 0 + 8 * BPS, 4 + 8 * BPS, 8 + 8 * BPS, 12 + 8 * BPS, - 0 + 12 * BPS, 4 + 12 * BPS, 8 + 12 * BPS, 12 + 12 * BPS, - - 0 + 0 * BPS, 4 + 0 * BPS, 0 + 4 * BPS, 4 + 4 * BPS, // U - 8 + 0 * BPS, 12 + 0 * BPS, 8 + 4 * BPS, 12 + 4 * BPS // V -}; - -//----------------------------------------------------------------------------- -// Distortion measurement - -static const uint16_t kWeightY[16] = { - 38, 32, 20, 9, 32, 28, 17, 7, 20, 17, 10, 4, 9, 7, 4, 2 -}; - -static const uint16_t kWeightTrellis[16] = { -#if USE_TDISTO == 0 - 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16 -#else - 30, 27, 19, 11, - 27, 24, 17, 10, - 19, 17, 12, 8, - 11, 10, 8, 6 -#endif -}; - -// Init/Copy the common fields in score. -static void InitScore(VP8ModeScore* const rd) { - rd->D = 0; - rd->SD = 0; - rd->R = 0; - rd->nz = 0; - rd->score = MAX_COST; -} - -static void CopyScore(VP8ModeScore* const dst, const VP8ModeScore* const src) { - dst->D = src->D; - dst->SD = src->SD; - dst->R = src->R; - dst->nz = src->nz; // note that nz is not accumulated, but just copied. - dst->score = src->score; -} - -static void AddScore(VP8ModeScore* const dst, const VP8ModeScore* const src) { - dst->D += src->D; - dst->SD += src->SD; - dst->R += src->R; - dst->nz |= src->nz; // here, new nz bits are accumulated. - dst->score += src->score; -} - -//----------------------------------------------------------------------------- -// Performs simple and trellis-optimized quantization. - -// Fun fact: this is the _only_ line where we're actually being lossy and -// discarding bits. -static int DIV(int n, int iQ, int B) { - return (n * iQ + B) >> QFIX; -} - -// Simple quantization -static int QuantizeBlock(int16_t in[16], int16_t out[16], - int n, const VP8Matrix* const mtx) { - int last = -1; - for (; n < 16; ++n) { - const int j = kZigzag[n]; - const int sign = (in[j] < 0); - int coeff = (sign ? -in[j] : in[j]) + mtx->sharpen_[j]; - if (coeff > 2047) coeff = 2047; - if (coeff > mtx->zthresh_[j]) { - const int Q = mtx->q_[j]; - const int iQ = mtx->iq_[j]; - const int B = mtx->bias_[j]; - out[n] = DIV(coeff, iQ, B); - if (sign) out[n] = -out[n]; - in[j] = out[n] * Q; - if (out[n]) last = n; - } else { - out[n] = 0; - in[j] = 0; - } - } - return (last >= 0); -} - -// Trellis - -typedef struct { - int prev; // best previous - int level; // level - int sign; // sign of coeff_i - score_t cost; // bit cost - score_t error; // distortion = sum of (|coeff_i| - level_i * Q_i)^2 - int ctx; // context (only depends on 'level'. Could be spared.) -} Node; - -// If a coefficient was quantized to a value Q (using a neutral bias), -// we test all alternate possibilities between [Q-MIN_DELTA, Q+MAX_DELTA] -// We don't test negative values though. -#define MIN_DELTA 0 // how much lower level to try -#define MAX_DELTA 1 // how much higher -#define NUM_NODES (MIN_DELTA + 1 + MAX_DELTA) -#define NODE(n, l) (nodes[(n) + 1][(l) + MIN_DELTA]) - -static inline void SetRDScore(int lambda, VP8ModeScore* const rd) { - // TODO: incorporate the "* 256" in the tables? - rd->score = rd->R * lambda + 256 * (rd->D + rd->SD); -} - -static inline score_t RDScoreTrellis(int lambda, score_t rate, - score_t distortion) { - return rate * lambda + 256 * distortion; -} - -static int TrellisQuantizeBlock(const VP8EncIterator* const it, - int16_t in[16], int16_t out[16], - int ctx0, int coeff_type, - const VP8Matrix* const mtx, - int lambda) { - ProbaArray* const last_costs = it->enc_->proba_.coeffs_[coeff_type]; - CostArray* const costs = it->enc_->proba_.level_cost_[coeff_type]; - const int first = (coeff_type == 0) ? 1 : 0; - Node nodes[17][NUM_NODES]; - int best_path[3] = {-1, -1, -1}; // store best-last/best-level/best-previous - score_t best_score; - int best_node; - int last = first - 1; - int n, m, p, nz; - - { - score_t cost; - score_t max_error; - const int thresh = mtx->q_[1] * mtx->q_[1] / 4; - const int last_proba = last_costs[VP8EncBands[first]][ctx0][0]; - - // compute maximal distortion. - max_error = 0; - for (n = first; n < 16; ++n) { - const int j = kZigzag[n]; - const int err = in[j] * in[j]; - max_error += kWeightTrellis[j] * err; - if (err > thresh) last = n; - } - // we don't need to go inspect up to n = 16 coeffs. We can just go up - // to last + 1 (inclusive) without losing much. - if (last < 15) ++last; - - // compute 'skip' score. This is the max score one can do. - cost = VP8BitCost(0, last_proba); - best_score = RDScoreTrellis(lambda, cost, max_error); - - // initialize source node. - n = first - 1; - for (m = -MIN_DELTA; m <= MAX_DELTA; ++m) { - NODE(n, m).cost = 0; - NODE(n, m).error = max_error; - NODE(n, m).ctx = ctx0; - } - } - - // traverse trellis. - for (n = first; n <= last; ++n) { - const int j = kZigzag[n]; - const int Q = mtx->q_[j]; - const int iQ = mtx->iq_[j]; - const int B = BIAS(0x00); // neutral bias - // note: it's important to take sign of the _original_ coeff, - // so we don't have to consider level < 0 afterward. - const int sign = (in[j] < 0); - int coeff0 = (sign ? -in[j] : in[j]) + mtx->sharpen_[j]; - int level0; - if (coeff0 > 2047) coeff0 = 2047; - - level0 = DIV(coeff0, iQ, B); - // test all alternate level values around level0. - for (m = -MIN_DELTA; m <= MAX_DELTA; ++m) { - Node* const cur = &NODE(n, m); - int delta_error, new_error; - score_t cur_score = MAX_COST; - int level = level0 + m; - int last_proba; - - cur->sign = sign; - cur->level = level; - cur->ctx = (level == 0) ? 0 : (level == 1) ? 1 : 2; - if (level >= 2048 || level < 0) { // node is dead? - cur->cost = MAX_COST; - continue; - } - last_proba = last_costs[VP8EncBands[n + 1]][cur->ctx][0]; - - // Compute delta_error = how much coding this level will - // subtract as distortion to max_error - new_error = coeff0 - level * Q; - delta_error = - kWeightTrellis[j] * (coeff0 * coeff0 - new_error * new_error); - - // Inspect all possible non-dead predecessors. Retain only the best one. - for (p = -MIN_DELTA; p <= MAX_DELTA; ++p) { - const Node* const prev = &NODE(n - 1, p); - const int prev_ctx = prev->ctx; - const uint16_t* const tcost = costs[VP8EncBands[n]][prev_ctx]; - const score_t total_error = prev->error - delta_error; - score_t cost, base_cost, score; - - if (prev->cost >= MAX_COST) { // dead node? - continue; - } - - // Base cost of both terminal/non-terminal - base_cost = prev->cost + VP8LevelCost(tcost, level); - - // Examine node assuming it's a non-terminal one. - cost = base_cost; - if (level && n < 15) { - cost += VP8BitCost(1, last_proba); - } - score = RDScoreTrellis(lambda, cost, total_error); - if (score < cur_score) { - cur_score = score; - cur->cost = cost; - cur->error = total_error; - cur->prev = p; - } - - // Now, record best terminal node (and thus best entry in the graph). - if (level) { - cost = base_cost; - if (n < 15) cost += VP8BitCost(0, last_proba); - score = RDScoreTrellis(lambda, cost, total_error); - if (score < best_score) { - best_score = score; - best_path[0] = n; // best eob position - best_path[1] = m; // best level - best_path[2] = p; // best predecessor - } - } - } - } - } - - // Fresh start - memset(in + first, 0, (16 - first) * sizeof(*in)); - memset(out + first, 0, (16 - first) * sizeof(*out)); - if (best_path[0] == -1) { - return 0; // skip! - } - - // Unwind the best path. - // Note: best-prev on terminal node is not necessarily equal to the - // best_prev for non-terminal. So we patch best_path[2] in. - n = best_path[0]; - best_node = best_path[1]; - NODE(n, best_node).prev = best_path[2]; // force best-prev for terminal - nz = 0; - - for (; n >= first; --n) { - const Node* const node = &NODE(n, best_node); - const int j = kZigzag[n]; - out[n] = node->sign ? -node->level : node->level; - nz |= (node->level != 0); - in[j] = out[n] * mtx->q_[j]; - best_node = node->prev; - } - return nz; -} - -#undef NODE - -//----------------------------------------------------------------------------- -// Performs: difference, transform, quantize, back-transform, add -// all at once. Output is the reconstructed block in *yuv_out, and the -// quantized levels in *levels. - -static int ReconstructIntra16(VP8EncIterator* const it, - VP8ModeScore* const rd, - uint8_t* const yuv_out, - int mode) { - const VP8Encoder* const enc = it->enc_; - const uint8_t* const ref = it->yuv_p_ + VP8I16ModeOffsets[mode]; - const uint8_t* const src = it->yuv_in_ + Y_OFF; - const VP8SegmentInfo* const dqm = &enc->dqm_[it->mb_->segment_]; - int nz = 0; - int n; - int16_t tmp[16][16], dc_tmp[16]; - - for (n = 0; n < 16; ++n) { - VP8FTransform(src + VP8Scan[n], ref + VP8Scan[n], tmp[n]); - } - VP8FTransformWHT(tmp[0], dc_tmp); - nz |= QuantizeBlock(dc_tmp, rd->y_dc_levels, 0, &dqm->y2_) << 24; - - if (DO_TRELLIS_I16 && it->do_trellis_) { - int x, y; - VP8IteratorNzToBytes(it); - for (y = 0, n = 0; y < 4; ++y) { - for (x = 0; x < 4; ++x, ++n) { - const int ctx = it->top_nz_[x] + it->left_nz_[y]; - const int non_zero = - TrellisQuantizeBlock(it, tmp[n], rd->y_ac_levels[n], ctx, 0, - &dqm->y1_, dqm->lambda_trellis_i16_); - it->top_nz_[x] = it->left_nz_[y] = non_zero; - nz |= non_zero << n; - } - } - } else { - for (n = 0; n < 16; ++n) { - nz |= QuantizeBlock(tmp[n], rd->y_ac_levels[n], 1, &dqm->y1_) << n; - } - } - - // Transform back - VP8ITransformWHT(dc_tmp, tmp[0]); - for (n = 0; n < 16; ++n) { - VP8ITransform(ref + VP8Scan[n], tmp[n], yuv_out + VP8Scan[n]); - } - - return nz; -} - -static int ReconstructIntra4(VP8EncIterator* const it, - int16_t levels[16], - const uint8_t* const src, - uint8_t* const yuv_out, - int mode) { - const VP8Encoder* const enc = it->enc_; - const uint8_t* const ref = it->yuv_p_ + VP8I4ModeOffsets[mode]; - const VP8SegmentInfo* const dqm = &enc->dqm_[it->mb_->segment_]; - int nz = 0; - int16_t tmp[16]; - - VP8FTransform(src, ref, tmp); - if (DO_TRELLIS_I4 && it->do_trellis_) { - const int x = it->i4_ & 3, y = it->i4_ >> 2; - const int ctx = it->top_nz_[x] + it->left_nz_[y]; - nz = TrellisQuantizeBlock(it, tmp, levels, ctx, 3, &dqm->y1_, - dqm->lambda_trellis_i4_); - } else { - nz = QuantizeBlock(tmp, levels, 0, &dqm->y1_); - } - VP8ITransform(ref, tmp, yuv_out); - return nz; -} - -static int ReconstructUV(VP8EncIterator* const it, VP8ModeScore* const rd, - uint8_t* const yuv_out, int mode) { - const VP8Encoder* const enc = it->enc_; - const uint8_t* const ref = it->yuv_p_ + VP8UVModeOffsets[mode]; - const uint8_t* const src = it->yuv_in_ + U_OFF; - const VP8SegmentInfo* const dqm = &enc->dqm_[it->mb_->segment_]; - int nz = 0; - int n; - int16_t tmp[8][16]; - - for (n = 0; n < 8; ++n) { - VP8FTransform(src + VP8Scan[16 + n], ref + VP8Scan[16 + n], tmp[n]); - } - if (DO_TRELLIS_UV && it->do_trellis_) { - int ch, x, y; - for (ch = 0, n = 0; ch <= 2; ch += 2) { - for (y = 0; y < 2; ++y) { - for (x = 0; x < 2; ++x, ++n) { - const int ctx = it->top_nz_[4 + ch + x] + it->left_nz_[4 + ch + y]; - const int non_zero = - TrellisQuantizeBlock(it, tmp[n], rd->uv_levels[n], ctx, 2, &dqm->uv_, - dqm->lambda_trellis_uv_); - it->top_nz_[4 + ch + x] = it->left_nz_[4 + ch + y] = non_zero; - nz |= non_zero << n; - } - } - } - } else { - for (n = 0; n < 8; ++n) { - nz |= QuantizeBlock(tmp[n], rd->uv_levels[n], 0, &dqm->uv_) << n; - } - } - - for (n = 0; n < 8; ++n) { - VP8ITransform(ref + VP8Scan[16 + n], tmp[n], yuv_out + VP8Scan[16 + n]); - } - return (nz << 16); -} - -//----------------------------------------------------------------------------- -// RD-opt decision. Reconstruct each modes, evalue distortion and bit-cost. -// Pick the mode is lower RD-cost = Rate + lamba * Distortion. - -static void SwapPtr(uint8_t** a, uint8_t** b) { - uint8_t* const tmp = *a; - *a = *b; - *b = tmp; -} - -static void SwapOut(VP8EncIterator* const it) { - SwapPtr(&it->yuv_out_, &it->yuv_out2_); -} - -static void PickBestIntra16(VP8EncIterator* const it, VP8ModeScore* const rd) { - VP8Encoder* const enc = it->enc_; - const VP8SegmentInfo* const dqm = &enc->dqm_[it->mb_->segment_]; - const int lambda = dqm->lambda_i16_; - const int tlambda = dqm->tlambda_; - const uint8_t* const src = it->yuv_in_ + Y_OFF; - VP8ModeScore rd16; - int mode; - - rd->mode_i16 = -1; - for (mode = 0; mode < 4; ++mode) { - uint8_t* const tmp_dst = it->yuv_out2_ + Y_OFF; // scratch buffer - int nz; - - // Reconstruct - nz = ReconstructIntra16(it, &rd16, tmp_dst, mode); - - // Measure RD-score - rd16.D = VP8SSE16x16(src, tmp_dst); - rd16.SD = tlambda ? MULT_8B(tlambda, VP8TDisto16x16(src, tmp_dst, kWeightY)) - : 0; - rd16.R = VP8GetCostLuma16(it, &rd16); - rd16.R += VP8FixedCostsI16[mode]; - - // Since we always examine Intra16 first, we can overwrite *rd directly. - SetRDScore(lambda, &rd16); - if (mode == 0 || rd16.score < rd->score) { - CopyScore(rd, &rd16); - rd->mode_i16 = mode; - rd->nz = nz; - memcpy(rd->y_ac_levels, rd16.y_ac_levels, sizeof(rd16.y_ac_levels)); - memcpy(rd->y_dc_levels, rd16.y_dc_levels, sizeof(rd16.y_dc_levels)); - SwapOut(it); - } - } - SetRDScore(dqm->lambda_mode_, rd); // finalize score for mode decision. - VP8SetIntra16Mode(it, rd->mode_i16); -} - -//----------------------------------------------------------------------------- - -// return the cost array corresponding to the surrounding prediction modes. -static const uint16_t* GetCostModeI4(VP8EncIterator* const it, - const int modes[16]) { - const int preds_w = it->enc_->preds_w_; - const int x = (it->i4_ & 3), y = it->i4_ >> 2; - const int left = (x == 0) ? it->preds_[y * preds_w - 1] : modes[it->i4_ - 1]; - const int top = (y == 0) ? it->preds_[-preds_w + x] : modes[it->i4_ - 4]; - return VP8FixedCostsI4[top][left]; -} - -static int PickBestIntra4(VP8EncIterator* const it, VP8ModeScore* const rd) { - VP8Encoder* const enc = it->enc_; - const VP8SegmentInfo* const dqm = &enc->dqm_[it->mb_->segment_]; - const int lambda = dqm->lambda_i4_; - const int tlambda = dqm->tlambda_; - const uint8_t* const src0 = it->yuv_in_ + Y_OFF; - uint8_t* const best_blocks = it->yuv_out2_ + Y_OFF; - VP8ModeScore rd_best; - - InitScore(&rd_best); - rd_best.score = 0; - VP8IteratorStartI4(it); - do { - VP8ModeScore rd_i4; - int mode; - int best_mode = -1; - const uint8_t* const src = src0 + VP8Scan[it->i4_]; - const uint16_t* const mode_costs = GetCostModeI4(it, rd->modes_i4); - uint8_t* best_block = best_blocks + VP8Scan[it->i4_]; - uint8_t* tmp_dst = it->yuv_p_ + I4TMP; // scratch buffer. - - InitScore(&rd_i4); - VP8MakeIntra4Preds(it); - for (mode = 0; mode < NUM_BMODES; ++mode) { - VP8ModeScore rd_tmp; - int16_t tmp_levels[16]; - - // Reconstruct - rd_tmp.nz = - ReconstructIntra4(it, tmp_levels, src, tmp_dst, mode) << it->i4_; - - // Compute RD-score - rd_tmp.D = VP8SSE4x4(src, tmp_dst); - rd_tmp.SD = - tlambda ? MULT_8B(tlambda, VP8TDisto4x4(src, tmp_dst, kWeightY)) - : 0; - rd_tmp.R = VP8GetCostLuma4(it, tmp_levels); - rd_tmp.R += mode_costs[mode]; - - SetRDScore(lambda, &rd_tmp); - if (best_mode < 0 || rd_tmp.score < rd_i4.score) { - CopyScore(&rd_i4, &rd_tmp); - best_mode = mode; - SwapPtr(&tmp_dst, &best_block); - memcpy(rd_best.y_ac_levels[it->i4_], tmp_levels, sizeof(tmp_levels)); - } - } - SetRDScore(dqm->lambda_mode_, &rd_i4); - AddScore(&rd_best, &rd_i4); - if (rd_best.score >= rd->score) { - return 0; - } - // Copy selected samples if not in the right place already. - if (best_block != best_blocks + VP8Scan[it->i4_]) - VP8Copy4x4(best_block, best_blocks + VP8Scan[it->i4_]); - rd->modes_i4[it->i4_] = best_mode; - it->top_nz_[it->i4_ & 3] = it->left_nz_[it->i4_ >> 2] = (rd_i4.nz ? 1 : 0); - } while (VP8IteratorRotateI4(it, best_blocks)); - - // finalize state - CopyScore(rd, &rd_best); - VP8SetIntra4Mode(it, rd->modes_i4); - SwapOut(it); - memcpy(rd->y_ac_levels, rd_best.y_ac_levels, sizeof(rd->y_ac_levels)); - return 1; // select intra4x4 over intra16x16 -} - -//----------------------------------------------------------------------------- - -static void PickBestUV(VP8EncIterator* const it, VP8ModeScore* const rd) { - VP8Encoder* const enc = it->enc_; - const VP8SegmentInfo* const dqm = &enc->dqm_[it->mb_->segment_]; - const int lambda = dqm->lambda_uv_; - const uint8_t* const src = it->yuv_in_ + U_OFF; - uint8_t* const tmp_dst = it->yuv_out2_ + U_OFF; // scratch buffer - uint8_t* const dst0 = it->yuv_out_ + U_OFF; - VP8ModeScore rd_best; - int mode; - - rd->mode_uv = -1; - InitScore(&rd_best); - for (mode = 0; mode < 4; ++mode) { - VP8ModeScore rd_uv; - - // Reconstruct - rd_uv.nz = ReconstructUV(it, &rd_uv, tmp_dst, mode); - - // Compute RD-score - rd_uv.D = VP8SSE16x8(src, tmp_dst); - rd_uv.SD = 0; // TODO: should we call TDisto? it tends to flatten areas. - rd_uv.R = VP8GetCostUV(it, &rd_uv); - rd_uv.R += VP8FixedCostsUV[mode]; - - SetRDScore(lambda, &rd_uv); - if (mode == 0 || rd_uv.score < rd_best.score) { - CopyScore(&rd_best, &rd_uv); - rd->mode_uv = mode; - memcpy(rd->uv_levels, rd_uv.uv_levels, sizeof(rd->uv_levels)); - memcpy(dst0, tmp_dst, UV_SIZE); // TODO: SwapUVOut() ? - } - } - VP8SetIntraUVMode(it, rd->mode_uv); - AddScore(rd, &rd_best); -} - -//----------------------------------------------------------------------------- -// Final reconstruction and quantization. - -static void SimpleQuantize(VP8EncIterator* const it, VP8ModeScore* const rd) { - const VP8Encoder* const enc = it->enc_; - const int i16 = (it->mb_->type_ == 1); - int nz = 0; - - if (i16) { - nz = ReconstructIntra16(it, rd, it->yuv_out_ + Y_OFF, it->preds_[0]); - } else { - VP8IteratorStartI4(it); - do { - const int mode = - it->preds_[(it->i4_ & 3) + (it->i4_ >> 2) * enc->preds_w_]; - const uint8_t* const src = it->yuv_in_ + Y_OFF + VP8Scan[it->i4_]; - uint8_t* const dst = it->yuv_out_ + Y_OFF + VP8Scan[it->i4_]; - VP8MakeIntra4Preds(it); - nz |= ReconstructIntra4(it, rd->y_ac_levels[it->i4_], - src, dst, mode) << it->i4_; - } while (VP8IteratorRotateI4(it, it->yuv_out_ + Y_OFF)); - } - - nz |= ReconstructUV(it, rd, it->yuv_out_ + U_OFF, it->mb_->uv_mode_); - rd->nz = nz; -} - -//----------------------------------------------------------------------------- -// Entry point - -int VP8Decimate(VP8EncIterator* const it, VP8ModeScore* const rd, int rd_opt) { - int is_skipped; - - InitScore(rd); - - // We can perform predictions for Luma16x16 and Chroma8x8 already. - // Luma4x4 predictions needs to be done as-we-go. - VP8MakeLuma16Preds(it); - VP8MakeChroma8Preds(it); - - // for rd_opt = 2, we perform trellis-quant on the final decision only. - // for rd_opt > 2, we use it for every scoring (=much slower). - if (rd_opt > 0) { - it->do_trellis_ = (rd_opt > 2); - PickBestIntra16(it, rd); - if (it->enc_->method_ >= 2) { - PickBestIntra4(it, rd); - } - PickBestUV(it, rd); - if (rd_opt == 2) { - it->do_trellis_ = 1; - SimpleQuantize(it, rd); - } - } else { - // TODO: for method_ == 2, pick the best intra4/intra16 based on SSE - it->do_trellis_ = (it->enc_->method_ == 2); - SimpleQuantize(it, rd); - } - is_skipped = (rd->nz == 0); - VP8SetSkip(it, is_skipped); - return is_skipped; -} - -#if defined(__cplusplus) || defined(c_plusplus) -} // extern "C" -#endif diff --git a/src/add-ons/translators/webp/libwebp/enc/syntax.c b/src/add-ons/translators/webp/libwebp/enc/syntax.c deleted file mode 100644 index a788f3c32a..0000000000 --- a/src/add-ons/translators/webp/libwebp/enc/syntax.c +++ /dev/null @@ -1,237 +0,0 @@ -// Copyright 2011 Google Inc. -// -// This code is licensed under the same terms as WebM: -// Software License Agreement: http://www.webmproject.org/license/software/ -// Additional IP Rights Grant: http://www.webmproject.org/license/additional/ -// ----------------------------------------------------------------------------- -// -// Header syntax writing -// -// Author: Skal (pascal.massimino@gmail.com) - -#include -#include - -#include "vp8enci.h" - -#if defined(__cplusplus) || defined(c_plusplus) -extern "C" { -#endif - -#define KSIGNATURE 0x9d012a -#define KHEADER_SIZE 10 -#define KRIFF_SIZE 20 -#define KSIZE_OFFSET (KRIFF_SIZE - 8) - -#define MAX_PARTITION0_SIZE (1 << 19) // max size of mode partition -#define MAX_PARTITION_SIZE (1 << 24) // max size for token partition - -//----------------------------------------------------------------------------- -// Writers for header's various pieces (in order of appearance) - -// Main keyframe header - -static void PutLE32(uint8_t* const data, uint32_t val) { - data[0] = (val >> 0) & 0xff; - data[1] = (val >> 8) & 0xff; - data[2] = (val >> 16) & 0xff; - data[3] = (val >> 24) & 0xff; -} - -static int PutHeader(int profile, size_t size0, size_t total_size, - const WebPPicture* const pic) { - uint8_t buf[KHEADER_SIZE]; - uint8_t RIFF[KRIFF_SIZE] = { - 'R', 'I', 'F', 'F', 0, 0, 0, 0, 'W', 'E', 'B', 'P', 'V', 'P', '8', ' ' - }; - uint32_t bits; - - if (size0 >= MAX_PARTITION0_SIZE) { - return 0; // partition #0 is too big to fit - } - - PutLE32(RIFF + 4, total_size + KSIZE_OFFSET); - PutLE32(RIFF + 16, total_size); - if (!pic->writer(RIFF, sizeof(RIFF), pic)) - return 0; - - bits = 0 // keyframe (1b) - | (profile << 1) // profile (3b) - | (1 << 4) // visible (1b) - | (size0 << 5); // partition length (19b) - buf[0] = bits & 0xff; - buf[1] = (bits >> 8) & 0xff; - buf[2] = (bits >> 16) & 0xff; - // signature - buf[3] = (KSIGNATURE >> 16) & 0xff; - buf[4] = (KSIGNATURE >> 8) & 0xff; - buf[5] = (KSIGNATURE >> 0) & 0xff; - // dimensions - buf[6] = pic->width & 0xff; - buf[7] = pic->width >> 8; - buf[8] = pic->height & 0xff; - buf[9] = pic->height >> 8; - - return pic->writer(buf, sizeof(buf), pic); -} - -// Segmentation header -static void PutSegmentHeader(VP8BitWriter* const bw, - const VP8Encoder* const enc) { - const VP8SegmentHeader* const hdr = &enc->segment_hdr_; - const VP8Proba* const proba = &enc->proba_; - if (VP8PutBitUniform(bw, (hdr->num_segments_ > 1))) { - // We always 'update' the quant and filter strength values - const int update_data = 1; - int s; - VP8PutBitUniform(bw, hdr->update_map_); - if (VP8PutBitUniform(bw, update_data)) { - // we always use absolute values, not relative ones - VP8PutBitUniform(bw, 1); // (segment_feature_mode = 1. Paragraph 9.3.) - for (s = 0; s < NUM_MB_SEGMENTS; ++s) { - VP8PutSignedValue(bw, enc->dqm_[s].quant_, 7); - } - for (s = 0; s < NUM_MB_SEGMENTS; ++s) { - VP8PutSignedValue(bw, enc->dqm_[s].fstrength_, 6); - } - } - if (hdr->update_map_) { - for (s = 0; s < 3; ++s) { - if (VP8PutBitUniform(bw, (proba->segments_[s] != 255u))) { - VP8PutValue(bw, proba->segments_[s], 8); - } - } - } - } -} - -// Filtering parameters header -static void PutFilterHeader(VP8BitWriter* const bw, - const VP8FilterHeader* const hdr) { - const int use_lf_delta = (hdr->i4x4_lf_delta_ != 0); - VP8PutBitUniform(bw, hdr->simple_); - VP8PutValue(bw, hdr->level_, 6); - VP8PutValue(bw, hdr->sharpness_, 3); - if (VP8PutBitUniform(bw, use_lf_delta)) { - // '0' is the default value for i4x4_lf_delta_ at frame #0. - const int need_update = (hdr->i4x4_lf_delta_ != 0); - if (VP8PutBitUniform(bw, need_update)) { - // we don't use ref_lf_delta => emit four 0 bits - VP8PutValue(bw, 0, 4); - // we use mode_lf_delta for i4x4 - VP8PutSignedValue(bw, hdr->i4x4_lf_delta_, 6); - VP8PutValue(bw, 0, 3); // all others unused - } - } -} - -// Nominal quantization parameters -static void PutQuant(VP8BitWriter* const bw, - const VP8Encoder* const enc) { - VP8PutValue(bw, enc->base_quant_, 7); - VP8PutSignedValue(bw, enc->dq_y1_dc_, 4); - VP8PutSignedValue(bw, enc->dq_y2_dc_, 4); - VP8PutSignedValue(bw, enc->dq_y2_ac_, 4); - VP8PutSignedValue(bw, enc->dq_uv_dc_, 4); - VP8PutSignedValue(bw, enc->dq_uv_ac_, 4); -} - -// Partition sizes -static int EmitPartitionsSize(const VP8Encoder* const enc, - const WebPPicture* const pic) { - uint8_t buf[3 * (MAX_NUM_PARTITIONS - 1)]; - int p; - for (p = 0; p < enc->num_parts_ - 1; ++p) { - const size_t part_size = VP8BitWriterSize(enc->parts_ + p); - if (part_size >= MAX_PARTITION_SIZE) { - return 0; // partition is too big to fit - } - buf[3 * p + 0] = (part_size >> 0) & 0xff; - buf[3 * p + 1] = (part_size >> 8) & 0xff; - buf[3 * p + 2] = (part_size >> 16) & 0xff; - } - return p ? pic->writer(buf, 3 * p, pic) : 1; -} - -//----------------------------------------------------------------------------- - -static size_t GeneratePartition0(VP8Encoder* const enc) { - VP8BitWriter* const bw = &enc->bw_; - const int mb_size = enc->mb_w_ * enc->mb_h_; - uint64_t pos1, pos2, pos3; - - pos1 = VP8BitWriterPos(bw); - VP8BitWriterInit(bw, mb_size * 7 / 8); // ~7 bits per macroblock - VP8PutBitUniform(bw, 0); // colorspace - VP8PutBitUniform(bw, 0); // clamp type - - PutSegmentHeader(bw, enc); - PutFilterHeader(bw, &enc->filter_hdr_); - VP8PutValue(bw, enc->config_->partitions, 2); - PutQuant(bw, enc); - VP8PutBitUniform(bw, 0); // no proba update - VP8WriteProbas(bw, &enc->proba_); - pos2 = VP8BitWriterPos(bw); - VP8CodeIntraModes(enc); - VP8BitWriterFinish(bw); - pos3 = VP8BitWriterPos(bw); - - if (enc->pic_->stats) { - enc->pic_->stats->header_bytes[0] = (int)((pos2 - pos1 + 7) >> 3); - enc->pic_->stats->header_bytes[1] = (int)((pos3 - pos2 + 7) >> 3); - } - return !bw->error_; -} - -int VP8EncWrite(VP8Encoder* const enc) { - WebPPicture* const pic = enc->pic_; - VP8BitWriter* const bw = &enc->bw_; - int ok = 0; - size_t coded_size, pad; - int p; - - // Partition #0 with header and partition sizes - ok = GeneratePartition0(enc); - - // Compute total size (for the RIFF header) - coded_size = KHEADER_SIZE + VP8BitWriterSize(bw) + 3 * (enc->num_parts_ - 1); - for (p = 0; p < enc->num_parts_; ++p) { - coded_size += VP8BitWriterSize(enc->parts_ + p); - } - pad = coded_size & 1; - coded_size += pad; - - // Emit headers and partition #0 - { - const uint8_t* const part0 = VP8BitWriterBuf(bw); - const size_t size0 = VP8BitWriterSize(bw); - ok = ok && PutHeader(enc->profile_, size0, coded_size, pic) - && pic->writer(part0, size0, pic) - && EmitPartitionsSize(enc, pic); - free((void*)part0); - } - - // Token partitions - for (p = 0; p < enc->num_parts_; ++p) { - const uint8_t* const buf = VP8BitWriterBuf(enc->parts_ + p); - const size_t size = VP8BitWriterSize(enc->parts_ + p); - if (size) - ok = ok && pic->writer(buf, size, pic); - free((void*)buf); - } - - // Padding byte - if (ok && pad) { - const uint8_t pad_byte[1] = { 0 }; - ok = pic->writer(pad_byte, 1, pic); - } - - enc->coded_size_ = coded_size + KRIFF_SIZE; - return ok; -} - -//----------------------------------------------------------------------------- - -#if defined(__cplusplus) || defined(c_plusplus) -} // extern "C" -#endif diff --git a/src/add-ons/translators/webp/libwebp/enc/tree.c b/src/add-ons/translators/webp/libwebp/enc/tree.c deleted file mode 100644 index b1a9aa40eb..0000000000 --- a/src/add-ons/translators/webp/libwebp/enc/tree.c +++ /dev/null @@ -1,507 +0,0 @@ -// Copyright 2011 Google Inc. -// -// This code is licensed under the same terms as WebM: -// Software License Agreement: http://www.webmproject.org/license/software/ -// Additional IP Rights Grant: http://www.webmproject.org/license/additional/ -// ----------------------------------------------------------------------------- -// -// Token probabilities -// -// Author: Skal (pascal.massimino@gmail.com) - -#include "vp8enci.h" - -#if defined(__cplusplus) || defined(c_plusplus) -extern "C" { -#endif - -//----------------------------------------------------------------------------- -// Default probabilities - -// Paragraph 13.5 -const uint8_t - VP8CoeffsProba0[NUM_TYPES][NUM_BANDS][NUM_CTX][NUM_PROBAS] = { - // genereated using vp8_default_coef_probs() in entropy.c:129 - { { { 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128 }, - { 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128 }, - { 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128 } - }, - { { 253, 136, 254, 255, 228, 219, 128, 128, 128, 128, 128 }, - { 189, 129, 242, 255, 227, 213, 255, 219, 128, 128, 128 }, - { 106, 126, 227, 252, 214, 209, 255, 255, 128, 128, 128 } - }, - { { 1, 98, 248, 255, 236, 226, 255, 255, 128, 128, 128 }, - { 181, 133, 238, 254, 221, 234, 255, 154, 128, 128, 128 }, - { 78, 134, 202, 247, 198, 180, 255, 219, 128, 128, 128 }, - }, - { { 1, 185, 249, 255, 243, 255, 128, 128, 128, 128, 128 }, - { 184, 150, 247, 255, 236, 224, 128, 128, 128, 128, 128 }, - { 77, 110, 216, 255, 236, 230, 128, 128, 128, 128, 128 }, - }, - { { 1, 101, 251, 255, 241, 255, 128, 128, 128, 128, 128 }, - { 170, 139, 241, 252, 236, 209, 255, 255, 128, 128, 128 }, - { 37, 116, 196, 243, 228, 255, 255, 255, 128, 128, 128 } - }, - { { 1, 204, 254, 255, 245, 255, 128, 128, 128, 128, 128 }, - { 207, 160, 250, 255, 238, 128, 128, 128, 128, 128, 128 }, - { 102, 103, 231, 255, 211, 171, 128, 128, 128, 128, 128 } - }, - { { 1, 152, 252, 255, 240, 255, 128, 128, 128, 128, 128 }, - { 177, 135, 243, 255, 234, 225, 128, 128, 128, 128, 128 }, - { 80, 129, 211, 255, 194, 224, 128, 128, 128, 128, 128 } - }, - { { 1, 1, 255, 128, 128, 128, 128, 128, 128, 128, 128 }, - { 246, 1, 255, 128, 128, 128, 128, 128, 128, 128, 128 }, - { 255, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128 } - } - }, - { { { 198, 35, 237, 223, 193, 187, 162, 160, 145, 155, 62 }, - { 131, 45, 198, 221, 172, 176, 220, 157, 252, 221, 1 }, - { 68, 47, 146, 208, 149, 167, 221, 162, 255, 223, 128 } - }, - { { 1, 149, 241, 255, 221, 224, 255, 255, 128, 128, 128 }, - { 184, 141, 234, 253, 222, 220, 255, 199, 128, 128, 128 }, - { 81, 99, 181, 242, 176, 190, 249, 202, 255, 255, 128 } - }, - { { 1, 129, 232, 253, 214, 197, 242, 196, 255, 255, 128 }, - { 99, 121, 210, 250, 201, 198, 255, 202, 128, 128, 128 }, - { 23, 91, 163, 242, 170, 187, 247, 210, 255, 255, 128 } - }, - { { 1, 200, 246, 255, 234, 255, 128, 128, 128, 128, 128 }, - { 109, 178, 241, 255, 231, 245, 255, 255, 128, 128, 128 }, - { 44, 130, 201, 253, 205, 192, 255, 255, 128, 128, 128 } - }, - { { 1, 132, 239, 251, 219, 209, 255, 165, 128, 128, 128 }, - { 94, 136, 225, 251, 218, 190, 255, 255, 128, 128, 128 }, - { 22, 100, 174, 245, 186, 161, 255, 199, 128, 128, 128 } - }, - { { 1, 182, 249, 255, 232, 235, 128, 128, 128, 128, 128 }, - { 124, 143, 241, 255, 227, 234, 128, 128, 128, 128, 128 }, - { 35, 77, 181, 251, 193, 211, 255, 205, 128, 128, 128 } - }, - { { 1, 157, 247, 255, 236, 231, 255, 255, 128, 128, 128 }, - { 121, 141, 235, 255, 225, 227, 255, 255, 128, 128, 128 }, - { 45, 99, 188, 251, 195, 217, 255, 224, 128, 128, 128 } - }, - { { 1, 1, 251, 255, 213, 255, 128, 128, 128, 128, 128 }, - { 203, 1, 248, 255, 255, 128, 128, 128, 128, 128, 128 }, - { 137, 1, 177, 255, 224, 255, 128, 128, 128, 128, 128 } - } - }, - { { { 253, 9, 248, 251, 207, 208, 255, 192, 128, 128, 128 }, - { 175, 13, 224, 243, 193, 185, 249, 198, 255, 255, 128 }, - { 73, 17, 171, 221, 161, 179, 236, 167, 255, 234, 128 } - }, - { { 1, 95, 247, 253, 212, 183, 255, 255, 128, 128, 128 }, - { 239, 90, 244, 250, 211, 209, 255, 255, 128, 128, 128 }, - { 155, 77, 195, 248, 188, 195, 255, 255, 128, 128, 128 } - }, - { { 1, 24, 239, 251, 218, 219, 255, 205, 128, 128, 128 }, - { 201, 51, 219, 255, 196, 186, 128, 128, 128, 128, 128 }, - { 69, 46, 190, 239, 201, 218, 255, 228, 128, 128, 128 } - }, - { { 1, 191, 251, 255, 255, 128, 128, 128, 128, 128, 128 }, - { 223, 165, 249, 255, 213, 255, 128, 128, 128, 128, 128 }, - { 141, 124, 248, 255, 255, 128, 128, 128, 128, 128, 128 } - }, - { { 1, 16, 248, 255, 255, 128, 128, 128, 128, 128, 128 }, - { 190, 36, 230, 255, 236, 255, 128, 128, 128, 128, 128 }, - { 149, 1, 255, 128, 128, 128, 128, 128, 128, 128, 128 } - }, - { { 1, 226, 255, 128, 128, 128, 128, 128, 128, 128, 128 }, - { 247, 192, 255, 128, 128, 128, 128, 128, 128, 128, 128 }, - { 240, 128, 255, 128, 128, 128, 128, 128, 128, 128, 128 } - }, - { { 1, 134, 252, 255, 255, 128, 128, 128, 128, 128, 128 }, - { 213, 62, 250, 255, 255, 128, 128, 128, 128, 128, 128 }, - { 55, 93, 255, 128, 128, 128, 128, 128, 128, 128, 128 } - }, - { { 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128 }, - { 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128 }, - { 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128 } - } - }, - { { { 202, 24, 213, 235, 186, 191, 220, 160, 240, 175, 255 }, - { 126, 38, 182, 232, 169, 184, 228, 174, 255, 187, 128 }, - { 61, 46, 138, 219, 151, 178, 240, 170, 255, 216, 128 } - }, - { { 1, 112, 230, 250, 199, 191, 247, 159, 255, 255, 128 }, - { 166, 109, 228, 252, 211, 215, 255, 174, 128, 128, 128 }, - { 39, 77, 162, 232, 172, 180, 245, 178, 255, 255, 128 } - }, - { { 1, 52, 220, 246, 198, 199, 249, 220, 255, 255, 128 }, - { 124, 74, 191, 243, 183, 193, 250, 221, 255, 255, 128 }, - { 24, 71, 130, 219, 154, 170, 243, 182, 255, 255, 128 } - }, - { { 1, 182, 225, 249, 219, 240, 255, 224, 128, 128, 128 }, - { 149, 150, 226, 252, 216, 205, 255, 171, 128, 128, 128 }, - { 28, 108, 170, 242, 183, 194, 254, 223, 255, 255, 128 } - }, - { { 1, 81, 230, 252, 204, 203, 255, 192, 128, 128, 128 }, - { 123, 102, 209, 247, 188, 196, 255, 233, 128, 128, 128 }, - { 20, 95, 153, 243, 164, 173, 255, 203, 128, 128, 128 } - }, - { { 1, 222, 248, 255, 216, 213, 128, 128, 128, 128, 128 }, - { 168, 175, 246, 252, 235, 205, 255, 255, 128, 128, 128 }, - { 47, 116, 215, 255, 211, 212, 255, 255, 128, 128, 128 } - }, - { { 1, 121, 236, 253, 212, 214, 255, 255, 128, 128, 128 }, - { 141, 84, 213, 252, 201, 202, 255, 219, 128, 128, 128 }, - { 42, 80, 160, 240, 162, 185, 255, 205, 128, 128, 128 } - }, - { { 1, 1, 255, 128, 128, 128, 128, 128, 128, 128, 128 }, - { 244, 1, 255, 128, 128, 128, 128, 128, 128, 128, 128 }, - { 238, 1, 255, 128, 128, 128, 128, 128, 128, 128, 128 } - } - } -}; - -void VP8DefaultProbas(VP8Encoder* const enc) { - VP8Proba* const probas = &enc->proba_; - memset(probas->segments_, 255u, sizeof(probas->segments_)); - memcpy(probas->coeffs_, VP8CoeffsProba0, sizeof(VP8CoeffsProba0)); - probas->use_skip_proba_ = 0; -} - -// Paragraph 11.5. 900bytes. -static const uint8_t kBModesProba[NUM_BMODES][NUM_BMODES][NUM_BMODES - 1] = { - { { 231, 120, 48, 89, 115, 113, 120, 152, 112 }, - { 152, 179, 64, 126, 170, 118, 46, 70, 95 }, - { 175, 69, 143, 80, 85, 82, 72, 155, 103 }, - { 56, 58, 10, 171, 218, 189, 17, 13, 152 }, - { 114, 26, 17, 163, 44, 195, 21, 10, 173 }, - { 121, 24, 80, 195, 26, 62, 44, 64, 85 }, - { 144, 71, 10, 38, 171, 213, 144, 34, 26 }, - { 170, 46, 55, 19, 136, 160, 33, 206, 71 }, - { 63, 20, 8, 114, 114, 208, 12, 9, 226 }, - { 81, 40, 11, 96, 182, 84, 29, 16, 36 } }, - { { 134, 183, 89, 137, 98, 101, 106, 165, 148 }, - { 72, 187, 100, 130, 157, 111, 32, 75, 80 }, - { 66, 102, 167, 99, 74, 62, 40, 234, 128 }, - { 41, 53, 9, 178, 241, 141, 26, 8, 107 }, - { 74, 43, 26, 146, 73, 166, 49, 23, 157 }, - { 65, 38, 105, 160, 51, 52, 31, 115, 128 }, - { 104, 79, 12, 27, 217, 255, 87, 17, 7 }, - { 87, 68, 71, 44, 114, 51, 15, 186, 23 }, - { 47, 41, 14, 110, 182, 183, 21, 17, 194 }, - { 66, 45, 25, 102, 197, 189, 23, 18, 22 } }, - { { 88, 88, 147, 150, 42, 46, 45, 196, 205 }, - { 43, 97, 183, 117, 85, 38, 35, 179, 61 }, - { 39, 53, 200, 87, 26, 21, 43, 232, 171 }, - { 56, 34, 51, 104, 114, 102, 29, 93, 77 }, - { 39, 28, 85, 171, 58, 165, 90, 98, 64 }, - { 34, 22, 116, 206, 23, 34, 43, 166, 73 }, - { 107, 54, 32, 26, 51, 1, 81, 43, 31 }, - { 68, 25, 106, 22, 64, 171, 36, 225, 114 }, - { 34, 19, 21, 102, 132, 188, 16, 76, 124 }, - { 62, 18, 78, 95, 85, 57, 50, 48, 51 } }, - { { 193, 101, 35, 159, 215, 111, 89, 46, 111 }, - { 60, 148, 31, 172, 219, 228, 21, 18, 111 }, - { 112, 113, 77, 85, 179, 255, 38, 120, 114 }, - { 40, 42, 1, 196, 245, 209, 10, 25, 109 }, - { 88, 43, 29, 140, 166, 213, 37, 43, 154 }, - { 61, 63, 30, 155, 67, 45, 68, 1, 209 }, - { 100, 80, 8, 43, 154, 1, 51, 26, 71 }, - { 142, 78, 78, 16, 255, 128, 34, 197, 171 }, - { 41, 40, 5, 102, 211, 183, 4, 1, 221 }, - { 51, 50, 17, 168, 209, 192, 23, 25, 82 } }, - { { 138, 31, 36, 171, 27, 166, 38, 44, 229 }, - { 67, 87, 58, 169, 82, 115, 26, 59, 179 }, - { 63, 59, 90, 180, 59, 166, 93, 73, 154 }, - { 40, 40, 21, 116, 143, 209, 34, 39, 175 }, - { 47, 15, 16, 183, 34, 223, 49, 45, 183 }, - { 46, 17, 33, 183, 6, 98, 15, 32, 183 }, - { 57, 46, 22, 24, 128, 1, 54, 17, 37 }, - { 65, 32, 73, 115, 28, 128, 23, 128, 205 }, - { 40, 3, 9, 115, 51, 192, 18, 6, 223 }, - { 87, 37, 9, 115, 59, 77, 64, 21, 47 } }, - { { 104, 55, 44, 218, 9, 54, 53, 130, 226 }, - { 64, 90, 70, 205, 40, 41, 23, 26, 57 }, - { 54, 57, 112, 184, 5, 41, 38, 166, 213 }, - { 30, 34, 26, 133, 152, 116, 10, 32, 134 }, - { 39, 19, 53, 221, 26, 114, 32, 73, 255 }, - { 31, 9, 65, 234, 2, 15, 1, 118, 73 }, - { 75, 32, 12, 51, 192, 255, 160, 43, 51 }, - { 88, 31, 35, 67, 102, 85, 55, 186, 85 }, - { 56, 21, 23, 111, 59, 205, 45, 37, 192 }, - { 55, 38, 70, 124, 73, 102, 1, 34, 98 } }, - { { 125, 98, 42, 88, 104, 85, 117, 175, 82 }, - { 95, 84, 53, 89, 128, 100, 113, 101, 45 }, - { 75, 79, 123, 47, 51, 128, 81, 171, 1 }, - { 57, 17, 5, 71, 102, 57, 53, 41, 49 }, - { 38, 33, 13, 121, 57, 73, 26, 1, 85 }, - { 41, 10, 67, 138, 77, 110, 90, 47, 114 }, - { 115, 21, 2, 10, 102, 255, 166, 23, 6 }, - { 101, 29, 16, 10, 85, 128, 101, 196, 26 }, - { 57, 18, 10, 102, 102, 213, 34, 20, 43 }, - { 117, 20, 15, 36, 163, 128, 68, 1, 26 } }, - { { 102, 61, 71, 37, 34, 53, 31, 243, 192 }, - { 69, 60, 71, 38, 73, 119, 28, 222, 37 }, - { 68, 45, 128, 34, 1, 47, 11, 245, 171 }, - { 62, 17, 19, 70, 146, 85, 55, 62, 70 }, - { 37, 43, 37, 154, 100, 163, 85, 160, 1 }, - { 63, 9, 92, 136, 28, 64, 32, 201, 85 }, - { 75, 15, 9, 9, 64, 255, 184, 119, 16 }, - { 86, 6, 28, 5, 64, 255, 25, 248, 1 }, - { 56, 8, 17, 132, 137, 255, 55, 116, 128 }, - { 58, 15, 20, 82, 135, 57, 26, 121, 40 } }, - { { 164, 50, 31, 137, 154, 133, 25, 35, 218 }, - { 51, 103, 44, 131, 131, 123, 31, 6, 158 }, - { 86, 40, 64, 135, 148, 224, 45, 183, 128 }, - { 22, 26, 17, 131, 240, 154, 14, 1, 209 }, - { 45, 16, 21, 91, 64, 222, 7, 1, 197 }, - { 56, 21, 39, 155, 60, 138, 23, 102, 213 }, - { 83, 12, 13, 54, 192, 255, 68, 47, 28 }, - { 85, 26, 85, 85, 128, 128, 32, 146, 171 }, - { 18, 11, 7, 63, 144, 171, 4, 4, 246 }, - { 35, 27, 10, 146, 174, 171, 12, 26, 128 } }, - { { 190, 80, 35, 99, 180, 80, 126, 54, 45 }, - { 85, 126, 47, 87, 176, 51, 41, 20, 32 }, - { 101, 75, 128, 139, 118, 146, 116, 128, 85 }, - { 56, 41, 15, 176, 236, 85, 37, 9, 62 }, - { 71, 30, 17, 119, 118, 255, 17, 18, 138 }, - { 101, 38, 60, 138, 55, 70, 43, 26, 142 }, - { 146, 36, 19, 30, 171, 255, 97, 27, 20 }, - { 138, 45, 61, 62, 219, 1, 81, 188, 64 }, - { 32, 41, 20, 117, 151, 142, 20, 21, 163 }, - { 112, 19, 12, 61, 195, 128, 48, 4, 24 } } -}; - -static int PutI4Mode(VP8BitWriter* const bw, int mode, - const uint8_t* const prob) { - if (VP8PutBit(bw, mode != B_DC_PRED, prob[0])) { - if (VP8PutBit(bw, mode != B_TM_PRED, prob[1])) { - if (VP8PutBit(bw, mode != B_VE_PRED, prob[2])) { - if (!VP8PutBit(bw, mode >= B_LD_PRED, prob[3])) { - if (VP8PutBit(bw, mode != B_HE_PRED, prob[4])) { - VP8PutBit(bw, mode != B_RD_PRED, prob[5]); - } - } else { - if (VP8PutBit(bw, mode != B_LD_PRED, prob[6])) { - if (VP8PutBit(bw, mode != B_VL_PRED, prob[7])) { - VP8PutBit(bw, mode != B_HD_PRED, prob[8]); - } - } - } - } - } - } - return mode; -} - -static void PutI16Mode(VP8BitWriter* const bw, int mode) { - if (VP8PutBit(bw, (mode == TM_PRED || mode == H_PRED), 156)) { - VP8PutBit(bw, mode == TM_PRED, 128); // TM or HE - } else { - VP8PutBit(bw, mode == V_PRED, 163); // VE or DC - } -} - -static void PutUVMode(VP8BitWriter* const bw, int uv_mode) { - if (VP8PutBit(bw, uv_mode != DC_PRED, 142)) { - if (VP8PutBit(bw, uv_mode != V_PRED, 114)) { - VP8PutBit(bw, uv_mode != H_PRED, 183); // else: TM_PRED - } - } -} - -static void PutSegment(VP8BitWriter* const bw, int s, const uint8_t* p) { - if (VP8PutBit(bw, s >= 2, p[0])) p += 1; - VP8PutBit(bw, s & 1, p[1]); -} - -void VP8CodeIntraModes(VP8Encoder* const enc) { - VP8BitWriter* const bw = &enc->bw_; - VP8EncIterator it; - VP8IteratorInit(enc, &it); - do { - const VP8MBInfo* mb = it.mb_; - const uint8_t* preds = it.preds_; - if (enc->segment_hdr_.update_map_) { - PutSegment(bw, mb->segment_, enc->proba_.segments_); - } - if (enc->proba_.use_skip_proba_) { - VP8PutBit(bw, mb->skip_, enc->proba_.skip_proba_); - } - if (VP8PutBit(bw, (mb->type_ != 0), 145)) { // i16x16 - PutI16Mode(bw, preds[0]); - } else { - const int preds_w = enc->preds_w_; - const uint8_t* top_pred = preds - preds_w; - int x, y; - for (y = 0; y < 4; ++y) { - int left = preds[-1]; - for (x = 0; x < 4; ++x) { - const uint8_t* const probas = kBModesProba[top_pred[x]][left]; - left = PutI4Mode(bw, preds[x], probas); - } - top_pred = preds; - preds += preds_w; - } - } - PutUVMode(bw, mb->uv_mode_); - } while (VP8IteratorNext(&it, 0)); -} - -//----------------------------------------------------------------------------- -// Paragraph 13 - -const uint8_t - VP8CoeffsUpdateProba[NUM_TYPES][NUM_BANDS][NUM_CTX][NUM_PROBAS] = { - { { { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } - }, - { { 176, 246, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 223, 241, 252, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 249, 253, 253, 255, 255, 255, 255, 255, 255, 255, 255 } - }, - { { 255, 244, 252, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 234, 254, 254, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 253, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } - }, - { { 255, 246, 254, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 239, 253, 254, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 254, 255, 254, 255, 255, 255, 255, 255, 255, 255, 255 } - }, - { { 255, 248, 254, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 251, 255, 254, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } - }, - { { 255, 253, 254, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 251, 254, 254, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 254, 255, 254, 255, 255, 255, 255, 255, 255, 255, 255 } - }, - { { 255, 254, 253, 255, 254, 255, 255, 255, 255, 255, 255 }, - { 250, 255, 254, 255, 254, 255, 255, 255, 255, 255, 255 }, - { 254, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } - }, - { { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } - } - }, - { { { 217, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 225, 252, 241, 253, 255, 255, 254, 255, 255, 255, 255 }, - { 234, 250, 241, 250, 253, 255, 253, 254, 255, 255, 255 } - }, - { { 255, 254, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 223, 254, 254, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 238, 253, 254, 254, 255, 255, 255, 255, 255, 255, 255 } - }, - { { 255, 248, 254, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 249, 254, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } - }, - { { 255, 253, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 247, 254, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } - }, - { { 255, 253, 254, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 252, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } - }, - { { 255, 254, 254, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 253, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } - }, - { { 255, 254, 253, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 250, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 254, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } - }, - { { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } - } - }, - { { { 186, 251, 250, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 234, 251, 244, 254, 255, 255, 255, 255, 255, 255, 255 }, - { 251, 251, 243, 253, 254, 255, 254, 255, 255, 255, 255 } - }, - { { 255, 253, 254, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 236, 253, 254, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 251, 253, 253, 254, 254, 255, 255, 255, 255, 255, 255 } - }, - { { 255, 254, 254, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 254, 254, 254, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } - }, - { { 255, 254, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 254, 254, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 254, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } - }, - { { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 254, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } - }, - { { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } - }, - { { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } - }, - { { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } - } - }, - { { { 248, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 250, 254, 252, 254, 255, 255, 255, 255, 255, 255, 255 }, - { 248, 254, 249, 253, 255, 255, 255, 255, 255, 255, 255 } - }, - { { 255, 253, 253, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 246, 253, 253, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 252, 254, 251, 254, 254, 255, 255, 255, 255, 255, 255 } - }, - { { 255, 254, 252, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 248, 254, 253, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 253, 255, 254, 254, 255, 255, 255, 255, 255, 255, 255 } - }, - { { 255, 251, 254, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 245, 251, 254, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 253, 253, 254, 255, 255, 255, 255, 255, 255, 255, 255 } - }, - { { 255, 251, 253, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 252, 253, 254, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 255, 254, 255, 255, 255, 255, 255, 255, 255, 255, 255 } - }, - { { 255, 252, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 249, 255, 254, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 255, 255, 254, 255, 255, 255, 255, 255, 255, 255, 255 } - }, - { { 255, 255, 253, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 250, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } - }, - { { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 254, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, - { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } - } - } -}; - -void VP8WriteProbas(VP8BitWriter* const bw, const VP8Proba* const probas) { - int t, b, c, p; - for (t = 0; t < NUM_TYPES; ++t) { - for (b = 0; b < NUM_BANDS; ++b) { - for (c = 0; c < NUM_CTX; ++c) { - for (p = 0; p < NUM_PROBAS; ++p) { - const uint8_t p0 = probas->coeffs_[t][b][c][p]; - const int update = (p0 != VP8CoeffsProba0[t][b][c][p]); - if (VP8PutBit(bw, update, VP8CoeffsUpdateProba[t][b][c][p])) { - VP8PutValue(bw, p0, 8); - } - } - } - } - } - if (VP8PutBitUniform(bw, probas->use_skip_proba_)) { - VP8PutValue(bw, probas->skip_proba_, 8); - } -} - -#if defined(__cplusplus) || defined(c_plusplus) -} // extern "C" -#endif diff --git a/src/add-ons/translators/webp/libwebp/enc/vp8enci.h b/src/add-ons/translators/webp/libwebp/enc/vp8enci.h deleted file mode 100644 index 25f50eeda4..0000000000 --- a/src/add-ons/translators/webp/libwebp/enc/vp8enci.h +++ /dev/null @@ -1,445 +0,0 @@ -// Copyright 2011 Google Inc. -// -// This code is licensed under the same terms as WebM: -// Software License Agreement: http://www.webmproject.org/license/software/ -// Additional IP Rights Grant: http://www.webmproject.org/license/additional/ -// ----------------------------------------------------------------------------- -// -// WebP encoder: internal header. -// -// Author: Skal (pascal.massimino@gmail.com) - -#ifndef WEBP_ENC_VP8ENCI_H_ -#define WEBP_ENC_VP8ENCI_H_ - -#include "string.h" // for memcpy() -#include "webp/encode.h" -#include "bit_writer.h" - -#if defined(__cplusplus) || defined(c_plusplus) -extern "C" { -#endif - -//----------------------------------------------------------------------------- -// Various defines and enums - -// intra prediction modes -enum { B_DC_PRED = 0, // 4x4 modes - B_TM_PRED = 1, - B_VE_PRED = 2, - B_HE_PRED = 3, - B_RD_PRED = 4, - B_VR_PRED = 5, - B_LD_PRED = 6, - B_VL_PRED = 7, - B_HD_PRED = 8, - B_HU_PRED = 9, - NUM_BMODES = B_HU_PRED + 1 - B_DC_PRED, // = 10 - - // Luma16 or UV modes - DC_PRED = B_DC_PRED, V_PRED = B_VE_PRED, - H_PRED = B_HE_PRED, TM_PRED = B_TM_PRED - }; - -enum { NUM_MB_SEGMENTS = 4, - MAX_NUM_PARTITIONS = 8, - NUM_TYPES = 4, // 0: i16-AC, 1: i16-DC, 2:chroma-AC, 3:i4-AC - NUM_BANDS = 8, - NUM_CTX = 3, - NUM_PROBAS = 11, - MAX_LF_LEVELS = 64, // Maximum loop filter level - MAX_VARIABLE_LEVEL = 67 // last (inclusive) level with variable cost - }; - -// YUV-cache parameters. Cache is 16-pixels wide. -// The original or reconstructed samples can be accessed using VP8Scan[] -// The predicted blocks can be accessed using offsets to yuv_p_ and -// the arrays VP8*ModeOffsets[]; -// +----+ YUV Samples area. See VP8Scan[] for accessing the blocks. -// Y_OFF |YYYY| <- original samples (enc->yuv_in_) -// |YYYY| -// |YYYY| -// |YYYY| -// U_OFF |UUVV| V_OFF (=U_OFF + 8) -// |UUVV| -// +----+ -// Y_OFF |YYYY| <- compressed/decoded samples ('yuv_out_') -// |YYYY| There are two buffers like this ('yuv_out_'/'yuv_out2_') -// |YYYY| -// |YYYY| -// U_OFF |UUVV| V_OFF -// |UUVV| -// x2 (for yuv_out2_) -// +----+ Prediction area ('yuv_p_', size = PRED_SIZE) -// I16DC16 |YYYY| Intra16 predictions (16x16 block each) -// |YYYY| -// |YYYY| -// |YYYY| -// I16TM16 |YYYY| -// |YYYY| -// |YYYY| -// |YYYY| -// I16VE16 |YYYY| -// |YYYY| -// |YYYY| -// |YYYY| -// I16HE16 |YYYY| -// |YYYY| -// |YYYY| -// |YYYY| -// +----+ Chroma U/V predictions (16x8 block each) -// C8DC8 |UUVV| -// |UUVV| -// C8TM8 |UUVV| -// |UUVV| -// C8VE8 |UUVV| -// |UUVV| -// C8HE8 |UUVV| -// |UUVV| -// +----+ Intra 4x4 predictions (4x4 block each) -// |YYYY| I4DC4 I4TM4 I4VE4 I4HE4 -// |YYYY| I4RD4 I4VR4 I4LD4 I4VL4 -// |YY..| I4HD4 I4HU4 I4TMP -// +----+ -#define BPS 16 // this is the common stride -#define Y_SIZE (BPS * 16) -#define UV_SIZE (BPS * 8) -#define YUV_SIZE (Y_SIZE + UV_SIZE) -#define PRED_SIZE (6 * 16 * BPS + 12 * BPS) -#define Y_OFF (0) -#define U_OFF (Y_SIZE) -#define V_OFF (U_OFF + 8) -#define ALIGN_CST 15 -#define DO_ALIGN(PTR) ((uintptr_t)((PTR) + ALIGN_CST) & ~ALIGN_CST) - -extern const int VP8Scan[16 + 4 + 4]; // in quant.c -extern const int VP8UVModeOffsets[4]; // in analyze.c -extern const int VP8I16ModeOffsets[4]; -extern const int VP8I4ModeOffsets[NUM_BMODES]; - -// Layout of prediction blocks -// intra 16x16 -#define I16DC16 (0 * 16 * BPS) -#define I16TM16 (1 * 16 * BPS) -#define I16VE16 (2 * 16 * BPS) -#define I16HE16 (3 * 16 * BPS) -// chroma 8x8, two U/V blocks side by side (hence: 16x8 each) -#define C8DC8 (4 * 16 * BPS) -#define C8TM8 (4 * 16 * BPS + 8 * BPS) -#define C8VE8 (5 * 16 * BPS) -#define C8HE8 (5 * 16 * BPS + 8 * BPS) -// intra 4x4 -#define I4DC4 (6 * 16 * BPS + 0) -#define I4TM4 (6 * 16 * BPS + 4) -#define I4VE4 (6 * 16 * BPS + 8) -#define I4HE4 (6 * 16 * BPS + 12) -#define I4RD4 (6 * 16 * BPS + 4 * BPS + 0) -#define I4VR4 (6 * 16 * BPS + 4 * BPS + 4) -#define I4LD4 (6 * 16 * BPS + 4 * BPS + 8) -#define I4VL4 (6 * 16 * BPS + 4 * BPS + 12) -#define I4HD4 (6 * 16 * BPS + 8 * BPS + 0) -#define I4HU4 (6 * 16 * BPS + 8 * BPS + 4) -#define I4TMP (6 * 16 * BPS + 8 * BPS + 8) - -typedef int64_t score_t; // type used for scores, rate, distortion -#define MAX_COST ((score_t)0x7fffffffffffffLL) - -//----------------------------------------------------------------------------- -// Headers - -typedef uint8_t ProbaArray[NUM_CTX][NUM_PROBAS]; -typedef uint64_t StatsArray[NUM_CTX][NUM_PROBAS][2]; -typedef uint16_t CostArray[NUM_CTX][MAX_VARIABLE_LEVEL + 1]; -typedef double LFStats[NUM_MB_SEGMENTS][MAX_LF_LEVELS]; // filter stats - -typedef struct VP8Encoder VP8Encoder; - -// segment features -typedef struct { - int num_segments_; // Actual number of segments. 1 segment only = unused. - int update_map_; // whether to update the segment map or not. - // must be 0 if there's only 1 segment. - int size_; // bit-cost for transmitting the segment map -} VP8SegmentHeader; - -// Struct collecting all frame-persistent probabilities. -typedef struct { - uint8_t segments_[3]; // probabilities for segment tree - uint8_t skip_proba_; // final probability of being skipped. - ProbaArray coeffs_[NUM_TYPES][NUM_BANDS]; // 924 bytes - StatsArray stats_[NUM_TYPES][NUM_BANDS]; // 7.4k - CostArray level_cost_[NUM_TYPES][NUM_BANDS]; // 11.4k - int use_skip_proba_; // Note: we always use skip_proba for now. - int nb_skip_, nb_i4_, nb_i16_; // block type counters -} VP8Proba; - -// Filter parameters. Not actually used in the code (we don't perform -// the in-loop filtering), but filled from user's config -typedef struct { - int simple_; // filtering type: 0=complex, 1=simple - int level_; // base filter level [0..63] - int sharpness_; // [0..7] - int i4x4_lf_delta_; // delta filter level for i4x4 relative to i16x16 -} VP8FilterHeader; - -//----------------------------------------------------------------------------- -// Informations about the macroblocks. - -typedef struct { - // block type - uint8_t type_:2; // 0=i4x4, 1=i16x16 - uint8_t uv_mode_:2; - uint8_t skip_:1; - uint8_t segment_:2; - uint8_t alpha_; // quantization-susceptibility -} VP8MBInfo; - -typedef struct { - uint16_t q_[16]; // quantizer steps - uint16_t iq_[16]; // reciprocals, fixed point. - uint16_t bias_[16]; // rounding bias - uint16_t zthresh_[16]; // value under which a coefficient is zeroed - uint16_t sharpen_[16]; // frequency boosters for slight sharpening -} VP8Matrix; - -typedef struct { - VP8Matrix y1_, y2_, uv_; // quantization matrices - int alpha_; // quant-susceptibility, range [-127,127]. Zero is neutral. - // Lower values indicate a lower risk of blurriness. - int beta_; // filter-susceptibility, range [0,255]. - int quant_; // final segment quantizer. - int fstrength_; // final in-loop filtering strength - // reactivities - int lambda_i16_, lambda_i4_, lambda_uv_; - int lambda_mode_, lambda_trellis_, tlambda_; - int lambda_trellis_i16_, lambda_trellis_i4_, lambda_trellis_uv_; -} VP8SegmentInfo; - -// Handy transcient struct to accumulate score and info during RD-optimization -// and mode evaluation. -typedef struct { - score_t D, SD, R, score; // Distortion, spectral distortion, rate, score. - int16_t y_dc_levels[16]; // Quantized levels for luma-DC, luma-AC, chroma. - int16_t y_ac_levels[16][16]; - int16_t uv_levels[4 + 4][16]; - int mode_i16; // mode number for intra16 prediction - int modes_i4[16]; // mode numbers for intra4 predictions - int mode_uv; // mode number of chroma prediction - uint32_t nz; // non-zero blocks -} VP8ModeScore; - -// Iterator structure to iterate through macroblocks, pointing to the -// right neighbouring data (samples, predictions, contexts, ...) -typedef struct { - int x_, y_; // current macroblock - int y_offset_, uv_offset_; // offset to the luma / chroma planes - int y_stride_, uv_stride_; // respective strides - uint8_t* yuv_in_; // borrowed from enc_ (for now) - uint8_t* yuv_out_; // '' - uint8_t* yuv_out2_; // '' - uint8_t* yuv_p_; // '' - VP8Encoder* enc_; // back-pointer - VP8MBInfo* mb_; // current macroblock - VP8BitWriter* bw_; // current bit-writer - uint8_t* preds_; // intra mode predictors (4x4 blocks) - uint32_t* nz_; // non-zero pattern - uint8_t i4_boundary_[37]; // 32+5 boundary samples needed by intra4x4 - uint8_t* i4_top_; // pointer to the current *top boundary sample - int i4_; // current intra4x4 mode being tested - int top_nz_[9]; // top-non-zero context. - int left_nz_[9]; // left-non-zero. left_nz[8] is independent. - uint64_t bit_count_[4][3]; // bit counters for coded levels. - uint64_t luma_bits_; // macroblock bit-cost for luma - uint64_t uv_bits_; // macroblock bit-cost for chroma - LFStats* lf_stats_; // filter stats (borrowed from enc_) - int do_trellis_; // if true, perform extra level optimisation - int done_; // true when scan is finished -} VP8EncIterator; - - // in iterator.c -// must be called first. -void VP8IteratorInit(VP8Encoder* const enc, VP8EncIterator* const it); -// restart a scan. -void VP8IteratorReset(VP8EncIterator* const it); -// import samples from source -void VP8IteratorImport(const VP8EncIterator* const it); -// export decimated samples -void VP8IteratorExport(const VP8EncIterator* const it); -// go to next macroblock. Returns !done_. If *block_to_save is non-null, will -// save the boundary values to top_/left_ arrays. block_to_save can be -// it->yuv_out_ or it->yuv_in_. -int VP8IteratorNext(VP8EncIterator* const it, - const uint8_t* const block_to_save); -// Intra4x4 iterations -void VP8IteratorStartI4(VP8EncIterator* const it); -// returns true if not done. -int VP8IteratorRotateI4(VP8EncIterator* const it, - const uint8_t* const yuv_out); - -// Non-zero context setup/teardown -void VP8IteratorNzToBytes(VP8EncIterator* const it); -void VP8IteratorBytesToNz(VP8EncIterator* const it); - -// Helper functions to set mode properties -void VP8SetIntra16Mode(const VP8EncIterator* const it, int mode); -void VP8SetIntra4Mode(const VP8EncIterator* const it, int modes[16]); -void VP8SetIntraUVMode(const VP8EncIterator* const it, int mode); -void VP8SetSkip(const VP8EncIterator* const it, int skip); -void VP8SetSegment(const VP8EncIterator* const it, int segment); -void VP8IteratorResetCosts(VP8EncIterator* const it); - -//----------------------------------------------------------------------------- -// VP8Encoder - -struct VP8Encoder { - const WebPConfig* config_; // user configuration and parameters - WebPPicture* pic_; // input / output picture - - // headers - VP8FilterHeader filter_hdr_; // filtering information - VP8SegmentHeader segment_hdr_; // segment information - - int profile_; // VP8's profile, deduced from Config. - - // dimension, in macroblock units. - int mb_w_, mb_h_; - int preds_w_; // stride of the *preds_ prediction plane (=4*mb_w + 1) - - // number of partitions (1, 2, 4 or 8 = MAX_NUM_PARTITIONS) - int num_parts_; - - // per-partition boolean decoders. - VP8BitWriter bw_; // part0 - VP8BitWriter parts_[MAX_NUM_PARTITIONS]; // token partitions - - // quantization info (one set of DC/AC dequant factor per segment) - VP8SegmentInfo dqm_[NUM_MB_SEGMENTS]; - int base_quant_; // nominal quantizer value. Only used - // for relative coding of segments' quant. - int uv_alpha_; // U/V quantization susceptibility - // global offset of quantizers, shared by all segments - int dq_y1_dc_; - int dq_y2_dc_, dq_y2_ac_; - int dq_uv_dc_, dq_uv_ac_; - - // probabilities and statistics - VP8Proba proba_; - uint64_t sse_[3]; // sum of Y/U/V squared errors for all macroblocks - uint64_t sse_count_; // pixel count for the sse_[] stats - int coded_size_; - int residual_bytes_[3][4]; - int block_count_[3]; - - // quality/speed settings - int method_; // 0=fastest, 6=best/slowest. - int rd_opt_level_; // Deduced from method_. - - // Memory - VP8MBInfo* mb_info_; // contextual macroblock infos (mb_w_ + 1) - uint8_t* preds_; // predictions modes: (4*mb_w+1) * (4*mb_h+1) - uint32_t* nz_; // non-zero bit context: mb_w+1 - uint8_t* yuv_in_; // input samples - uint8_t* yuv_out_; // output samples - uint8_t* yuv_out2_; // secondary scratch out-buffer. swapped with yuv_out_. - uint8_t* yuv_p_; // scratch buffer for prediction - uint8_t *y_top_; // top luma samples. - uint8_t *uv_top_; // top u/v samples. - // U and V are packed into 16 pixels (8 U + 8 V) - uint8_t *y_left_; // left luma samples (adressable from index -1 to 15). - uint8_t *u_left_; // left u samples (adressable from index -1 to 7) - uint8_t *v_left_; // left v samples (adressable from index -1 to 7) - - LFStats *lf_stats_; // autofilter stats (if NULL, autofilter is off) -}; - -//----------------------------------------------------------------------------- -// internal functions. Not public. - - // in tree.c -extern const uint8_t VP8CoeffsProba0[NUM_TYPES][NUM_BANDS][NUM_CTX][NUM_PROBAS]; -extern const uint8_t - VP8CoeffsUpdateProba[NUM_TYPES][NUM_BANDS][NUM_CTX][NUM_PROBAS]; -// Reset the token probabilities to their initial (default) values -void VP8DefaultProbas(VP8Encoder* const enc); -// Write the token probabilities -void VP8WriteProbas(VP8BitWriter* const bw, const VP8Proba* const probas); -// Writes the partition #0 modes (that is: all intra modes) -void VP8CodeIntraModes(VP8Encoder* const enc); - - // in syntax.c -// Generates the final bitstream by coding the partition0 and headers, -// and appending an assembly of all the pre-coded token partitions. -// Return true if everything is ok. -int VP8EncWrite(VP8Encoder* const enc); - - // in frame.c -extern const uint8_t VP8EncBands[16 + 1]; -// Form all the four Intra16x16 predictions in the yuv_p_ cache -void VP8MakeLuma16Preds(const VP8EncIterator* const it); -// Form all the four Chroma8x8 predictions in the yuv_p_ cache -void VP8MakeChroma8Preds(const VP8EncIterator* const it); -// Form all the ten Intra4x4 predictions in the yuv_p_ cache -// for the 4x4 block it->i4_ -void VP8MakeIntra4Preds(const VP8EncIterator* const it); -// Rate calculation -int VP8GetCostLuma16(VP8EncIterator* const it, const VP8ModeScore* const rd); -int VP8GetCostLuma4(VP8EncIterator* const it, const int16_t levels[16]); -int VP8GetCostUV(VP8EncIterator* const it, const VP8ModeScore* const rd); -// Main stat / coding passes -int VP8EncLoop(VP8Encoder* const enc); -int VP8StatLoop(VP8Encoder* const enc); - - // in analysis.c -// Main analysis loop. Decides the segmentations and complexity. -// Assigns a first guess for Intra16 and uvmode_ prediction modes. -int VP8EncAnalyze(VP8Encoder* const enc); - - // in quant.c -// Sets up segment's quantization values, base_quant_ and filter strengths. -void VP8SetSegmentParams(VP8Encoder* const enc, float quality); -// Pick best modes and fills the levels. Returns true if skipped. -int VP8Decimate(VP8EncIterator* const it, VP8ModeScore* const rd, int rd_opt); - - // in dsp.c -// Transforms -typedef void (*VP8Idct)(const uint8_t* ref, const int16_t* in, uint8_t* dst); -typedef void (*VP8Fdct)(const uint8_t* src, const uint8_t* ref, int16_t* out); -typedef void (*VP8WHT)(const int16_t* in, int16_t* out); -extern VP8Idct VP8ITransform; -extern VP8Fdct VP8FTransform; -extern VP8WHT VP8ITransformWHT; -extern VP8WHT VP8FTransformWHT; -// Predictions -// *dst is the destination block. *top, *top_right and *left can be NULL. -typedef void (*VP8IntraPreds)(uint8_t *dst, const uint8_t* left, - const uint8_t* top); -typedef void (*VP8Intra4Preds)(uint8_t *dst, const uint8_t* top); -extern VP8Intra4Preds VP8EncPredLuma4; -extern VP8IntraPreds VP8EncPredLuma16; -extern VP8IntraPreds VP8EncPredChroma8; - -typedef int (*VP8Metric)(const uint8_t* pix, const uint8_t* ref); -extern VP8Metric VP8SSE16x16, VP8SSE16x8, VP8SSE8x8, VP8SSE4x4; -typedef int (*VP8WMetric)(const uint8_t* pix, const uint8_t* ref, - const uint16_t* const weights); -extern VP8WMetric VP8TDisto4x4, VP8TDisto16x16; - -typedef void (*VP8BlockCopy)(const uint8_t* src, uint8_t* dst); -extern VP8BlockCopy VP8Copy4x4; -extern VP8BlockCopy VP8Copy8x8; -extern VP8BlockCopy VP8Copy16x16; - -void VP8EncDspInit(); // must be called before using anything from the above. - - // in filter.c -extern void VP8InitFilter(VP8EncIterator* const it); -extern void VP8StoreFilterStats(VP8EncIterator* const it); -extern void VP8AdjustFilterStrength(VP8EncIterator* const it); - -//----------------------------------------------------------------------------- - -#if defined(__cplusplus) || defined(c_plusplus) -} // extern "C" -#endif - -#endif // WEBP_ENC_VP8ENCI_H_ diff --git a/src/add-ons/translators/webp/libwebp/enc/webpenc.c b/src/add-ons/translators/webp/libwebp/enc/webpenc.c deleted file mode 100644 index 5ca445efa3..0000000000 --- a/src/add-ons/translators/webp/libwebp/enc/webpenc.c +++ /dev/null @@ -1,307 +0,0 @@ -// Copyright 2011 Google Inc. -// -// This code is licensed under the same terms as WebM: -// Software License Agreement: http://www.webmproject.org/license/software/ -// Additional IP Rights Grant: http://www.webmproject.org/license/additional/ -// ----------------------------------------------------------------------------- -// -// WebP encoder: main entry point -// -// Author: Skal (pascal.massimino@gmail.com) - -#include -#include -#include - -#include "vp8enci.h" - -// #define PRINT_MEMORY_INFO - -#if defined(__cplusplus) || defined(c_plusplus) -extern "C" { -#endif - -#ifdef PRINT_MEMORY_INFO -#include -#endif - -#define MAX_DIMENSION 16384 // maximum width/height allowed by the spec - -//----------------------------------------------------------------------------- -// WebPPicture -//----------------------------------------------------------------------------- - -static int DummyWriter(const uint8_t* data, size_t data_size, - const WebPPicture* const picture) { - return 1; -} - -int WebPPictureInitInternal(WebPPicture* const picture, int version) { - if (version != WEBP_ENCODER_ABI_VERSION) { - return 0; // caller/system version mismatch! - } - if (picture) { - memset(picture, 0, sizeof(*picture)); - picture->writer = DummyWriter; - } - return 1; -} - -//----------------------------------------------------------------------------- -// VP8Encoder -//----------------------------------------------------------------------------- - -static void ResetSegmentHeader(VP8Encoder* const enc) { - VP8SegmentHeader* const hdr = &enc->segment_hdr_; - hdr->num_segments_ = enc->config_->segments; - hdr->update_map_ = (hdr->num_segments_ > 1); - hdr->size_ = 0; -} - -static void ResetFilterHeader(VP8Encoder* const enc) { - VP8FilterHeader* const hdr = &enc->filter_hdr_; - hdr->simple_ = 1; - hdr->level_ = 0; - hdr->sharpness_ = 0; - hdr->i4x4_lf_delta_ = 0; -} - -static void ResetBoundaryPredictions(VP8Encoder* const enc) { - // init boundary values once for all - // Note: actually, initializing the preds_[] is only needed for intra4. - int i; - uint8_t* const top = enc->preds_ - enc->preds_w_; - uint8_t* const left = enc->preds_ - 1; - for (i = -1; i < 4 * enc->mb_w_; ++i) { - top[i] = B_DC_PRED; - } - for (i = 0; i < 4 * enc->mb_h_; ++i) { - left[i * enc->preds_w_] = B_DC_PRED; - } - enc->nz_[-1] = 0; // constant -} - -// Map configured quality level to coding tools used. -//-------------+---+---+---+---+---+---+ -// Quality | 0 | 1 | 2 | 3 | 4 | 5 + -//-------------+---+---+---+---+---+---+ -// dynamic prob| ~ | x | x | x | x | x | -//-------------+---+---+---+---+---+---+ -// rd-opt modes| | | x | x | x | x | -//-------------+---+---+---+---+---+---+ -// fast i4/i16 | x | x | | | | | -//-------------+---+---+---+---+---+---+ -// rd-opt i4/16| | | x | x | x | x | -//-------------+---+---+---+---+---+---+ -// Trellis | | x | | | x | x | -//-------------+---+---+---+---+---+---+ -// full-SNS | | | | | | x | -//-------------+---+---+---+---+---+---+ - -static void MapConfigToTools(VP8Encoder* const enc) { - const int method = enc->config_->method; - enc->method_ = method; - enc->rd_opt_level_ = (method >= 6) ? 3 - : (method >= 5) ? 2 - : (method >= 3) ? 1 - : 0; -} - -// Memory scaling with dimensions: -// memory (bytes) ~= 2.25 * w + 0.0625 * w * h -// -// Typical memory footprint (768x510 picture) -// Memory used: -// encoder: 33919 -// block cache: 2880 -// info: 3072 -// preds: 24897 -// top samples: 1623 -// non-zero: 196 -// lf-stats: 2048 -// total: 68635 -// Transcient object sizes: -// VP8EncIterator: 352 -// VP8ModeScore: 912 -// VP8SegmentInfo: 532 -// VP8Proba: 31032 -// LFStats: 2048 -// Picture size (yuv): 589824 - -static VP8Encoder* InitEncoder(const WebPConfig* const config, - WebPPicture* const picture) { - const int use_filter = - (config->filter_strength > 0) || (config->autofilter > 0); - const int mb_w = (picture->width + 15) >> 4; - const int mb_h = (picture->height + 15) >> 4; - const int preds_w = 4 * mb_w + 1; - const int preds_h = 4 * mb_h + 1; - const size_t preds_size = preds_w * preds_h * sizeof(uint8_t); - const int top_stride = mb_w * 16; - const size_t nz_size = (mb_w + 1) * sizeof(uint32_t); - const size_t cache_size = (3 * YUV_SIZE + PRED_SIZE) * sizeof(uint8_t); - const size_t info_size = mb_w * mb_h * sizeof(VP8MBInfo); - const size_t samples_size = (2 * top_stride + // top-luma/u/v - 16 + 16 + 16 + 8 + 1 + // left y/u/v - 2 * ALIGN_CST) // align all - * sizeof(uint8_t); - const size_t lf_stats_size = config->autofilter ? sizeof(LFStats) : 0; - VP8Encoder* enc; - uint8_t* mem; - size_t size = sizeof(VP8Encoder) + ALIGN_CST // main struct - + cache_size // working caches - + info_size // modes info - + preds_size // prediction modes - + samples_size // top/left samples - + nz_size // coeff context bits - + lf_stats_size; // autofilter stats - -#ifdef PRINT_MEMORY_INFO - printf("===================================\n"); - printf("Memory used:\n" - " encoder: %ld\n" - " block cache: %ld\n" - " info: %ld\n" - " preds: %ld\n" - " top samples: %ld\n" - " non-zero: %ld\n" - " lf-stats: %ld\n" - " total: %ld\n", - sizeof(VP8Encoder) + ALIGN_CST, cache_size, info_size, - preds_size, samples_size, nz_size, lf_stats_size, size); - printf("Transcient object sizes:\n" - " VP8EncIterator: %ld\n" - " VP8ModeScore: %ld\n" - " VP8SegmentInfo: %ld\n" - " VP8Proba: %ld\n" - " LFStats: %ld\n", - sizeof(VP8EncIterator), sizeof(VP8ModeScore), - sizeof(VP8SegmentInfo), sizeof(VP8Proba), - sizeof(LFStats)); - printf("Picture size (yuv): %ld\n", - mb_w * mb_h * 384 * sizeof(uint8_t)); - printf("===================================\n"); -#endif - mem = (uint8_t*)malloc(size); - if (mem == NULL) return NULL; - enc = (VP8Encoder*)mem; - mem = (uint8_t*)DO_ALIGN(mem + sizeof(*enc)); - memset(enc, 0, sizeof(*enc)); - enc->num_parts_ = 1 << config->partitions; - enc->mb_w_ = mb_w; - enc->mb_h_ = mb_h; - enc->preds_w_ = preds_w; - enc->yuv_in_ = (uint8_t*)mem; - mem += YUV_SIZE; - enc->yuv_out_ = (uint8_t*)mem; - mem += YUV_SIZE; - enc->yuv_out2_ = (uint8_t*)mem; - mem += YUV_SIZE; - enc->yuv_p_ = (uint8_t*)mem; - mem += PRED_SIZE; - enc->mb_info_ = (VP8MBInfo*)mem; - mem += info_size; - enc->preds_ = ((uint8_t*)mem) + 1 + enc->preds_w_; - mem += preds_w * preds_h * sizeof(uint8_t); - enc->nz_ = 1 + (uint32_t*)mem; - mem += nz_size; - enc->lf_stats_ = lf_stats_size ? (LFStats*)mem : NULL; - mem += lf_stats_size; - - // top samples (all 16-aligned) - mem = (uint8_t*)DO_ALIGN(mem); - enc->y_top_ = (uint8_t*)mem; - enc->uv_top_ = enc->y_top_ + top_stride; - mem += 2 * top_stride; - mem = (uint8_t*)DO_ALIGN(mem + 1); - enc->y_left_ = (uint8_t*)mem; - mem += 16 + 16; - enc->u_left_ = (uint8_t*)mem; - mem += 16; - enc->v_left_ = (uint8_t*)mem; - mem += 8; - - enc->config_ = config; - enc->profile_ = use_filter ? ((config->filter_type == 1) ? 0 : 1) : 2; - enc->pic_ = picture; - - MapConfigToTools(enc); - VP8EncDspInit(); - VP8DefaultProbas(enc); - ResetSegmentHeader(enc); - ResetFilterHeader(enc); - ResetBoundaryPredictions(enc); - - return enc; -} - -static void DeleteEncoder(VP8Encoder* enc) { - free(enc); -} - -//----------------------------------------------------------------------------- - -static double GetPSNR(uint64_t err, uint64_t size) { - return err ? 10. * log10(255. * 255. * size / err) : 99.; -} - -static void FinalizePSNR(const VP8Encoder* const enc) { - WebPAuxStats* stats = enc->pic_->stats; - const uint64_t size = enc->sse_count_; - const uint64_t* const sse = enc->sse_; - stats->PSNR[0] = (float)GetPSNR(sse[0], size); - stats->PSNR[1] = (float)GetPSNR(sse[1], size / 4); - stats->PSNR[2] = (float)GetPSNR(sse[2], size / 4); - stats->PSNR[3] = (float)GetPSNR(sse[0] + sse[1] + sse[2], size * 3 / 2); -} - -static void StoreStats(VP8Encoder* const enc) { - WebPAuxStats* const stats = enc->pic_->stats; - if (stats) { - int i, s; - for (i = 0; i < NUM_MB_SEGMENTS; ++i) { - stats->segment_level[i] = enc->dqm_[i].fstrength_; - stats->segment_quant[i] = enc->dqm_[i].quant_; - for (s = 0; s <= 2; ++s) { - stats->residual_bytes[s][i] = enc->residual_bytes_[s][i]; - } - } - FinalizePSNR(enc); - stats->coded_size = enc->coded_size_; - for (i = 0; i < 3; ++i) { - stats->block_count[i] = enc->block_count_[i]; - } - } -} - -//----------------------------------------------------------------------------- - -int WebPEncode(const WebPConfig* const config, WebPPicture* const pic) { - VP8Encoder* enc; - int ok; - - if (config == NULL || pic == NULL) - return 0; // bad params - if (!WebPValidateConfig(config)) - return 0; // invalid config. - if (pic->width <= 0 || pic->height <= 0) - return 0; // invalid parameters - if (pic->y == NULL || pic->u == NULL || pic->v == NULL) - return 0; // invalid parameters - if (pic->width >= MAX_DIMENSION || pic->height >= MAX_DIMENSION) - return 0; // image is too big - - enc = InitEncoder(config, pic); - if (enc == NULL) return 0; - ok = VP8EncAnalyze(enc) - && VP8StatLoop(enc) - && VP8EncLoop(enc) - && VP8EncWrite(enc); - StoreStats(enc); - DeleteEncoder(enc); - return ok; -} - -#if defined(__cplusplus) || defined(c_plusplus) -} // extern "C" -#endif diff --git a/src/add-ons/translators/webp/libwebp/webp/decode.h b/src/add-ons/translators/webp/libwebp/webp/decode.h deleted file mode 100644 index 7099fb20fc..0000000000 --- a/src/add-ons/translators/webp/libwebp/webp/decode.h +++ /dev/null @@ -1,99 +0,0 @@ -// Copyright 2010 Google Inc. -// -// This code is licensed under the same terms as WebM: -// Software License Agreement: http://www.webmproject.org/license/software/ -// Additional IP Rights Grant: http://www.webmproject.org/license/additional/ -// ----------------------------------------------------------------------------- -// -// Main decoding functions for WEBP images. -// -// Author: Skal (pascal.massimino@gmail.com) - -#ifndef WEBP_WEBP_DECODE_H_ -#define WEBP_WEBP_DECODE_H_ - -#include "webp/types.h" - -#if defined(__cplusplus) || defined(c_plusplus) -extern "C" { -#endif - -// Retrieve basic header information: width, height. -// This function will also validate the header and return 0 in -// case of formatting error. -// Pointers *width/*height can be passed NULL if deemed irrelevant. -int WebPGetInfo(const uint8_t* data, uint32_t data_size, - int *width, int *height); - -// Decodes WEBP images pointed to by *data and returns RGB samples, along -// with the dimensions in *width and *height. -// The returned pointer should be deleted calling free(). -// Returns NULL in case of error. -uint8_t* WebPDecodeRGB(const uint8_t* data, uint32_t data_size, - int *width, int *height); - -// Same as WebPDecodeRGB, but returning RGBA data. -uint8_t* WebPDecodeRGBA(const uint8_t* data, uint32_t data_size, - int *width, int *height); - -// This variant decode to BGR instead of RGB. -uint8_t* WebPDecodeBGR(const uint8_t* data, uint32_t data_size, - int *width, int *height); -// This variant decodes to BGRA instead of RGBA. -uint8_t* WebPDecodeBGRA(const uint8_t* data, uint32_t data_size, - int *width, int *height); - -// Decode WEBP images stored in *data in Y'UV format(*). The pointer returned is -// the Y samples buffer. Upon return, *u and *v will point to the U and V -// chroma data. These U and V buffers need NOT be free()'d, unlike the returned -// Y luma one. The dimension of the U and V planes are both (*width + 1) / 2 -// and (*height + 1)/ 2. -// Upon return, the Y buffer has a stride returned as '*stride', while U and V -// have a common stride returned as '*uv_stride'. -// Return NULL in case of error. -// (*) Also named Y'CbCr. See: http://en.wikipedia.org/wiki/YCbCr -uint8_t* WebPDecodeYUV(const uint8_t* data, uint32_t data_size, - int *width, int *height, uint8_t** u, uint8_t** v, - int *stride, int* uv_stride); - -// These three functions are variants of the above ones, that decode the image -// directly into a pre-allocated buffer 'output_buffer'. The maximum storage -// available in this buffer is indicated by 'output_buffer_size'. If this -// storage is not sufficient (or an error occurred), NULL is returned. -// Otherwise, output_buffer is returned, for convenience. -// The parameter 'output_stride' specifies the distance (in bytes) -// between scanlines. Hence, output_buffer_size is expected to be at least -// output_stride x picture-height. -uint8_t* WebPDecodeRGBInto(const uint8_t* data, uint32_t data_size, - uint8_t* output_buffer, int output_buffer_size, - int output_stride); -uint8_t* WebPDecodeRGBAInto(const uint8_t* data, uint32_t data_size, - uint8_t* output_buffer, int output_buffer_size, - int output_stride); -// BGR variants -uint8_t* WebPDecodeBGRInto(const uint8_t* data, uint32_t data_size, - uint8_t* output_buffer, int output_buffer_size, - int output_stride); -uint8_t* WebPDecodeBGRAInto(const uint8_t* data, uint32_t data_size, - uint8_t* output_buffer, int output_buffer_size, - int output_stride); - -// WebPDecodeYUVInto() is a variant of WebPDecodeYUV() that operates directly -// into pre-allocated luma/chroma plane buffers. This function requires the -// strides to be passed: one for the luma plane and one for each of the -// chroma ones. The size of each plane buffer is passed as 'luma_size', -// 'u_size' and 'v_size' respectively. -// Pointer to the luma plane ('*luma') is returned or NULL if an error occurred -// during decoding (or because some buffers were found to be too small). -uint8_t* WebPDecodeYUVInto(const uint8_t* data, uint32_t data_size, - uint8_t* luma, int luma_size, int luma_stride, - uint8_t* u, int u_size, int u_stride, - uint8_t* v, int v_size, int v_stride); - -//----------------------------------------------------------------------------- - -#if defined(__cplusplus) || defined(c_plusplus) -} // extern "C" -#endif - -#endif /* WEBP_WEBP_DECODE_H_ */ diff --git a/src/add-ons/translators/webp/libwebp/webp/decode_vp8.h b/src/add-ons/translators/webp/libwebp/webp/decode_vp8.h deleted file mode 100644 index 08c6f69b3e..0000000000 --- a/src/add-ons/translators/webp/libwebp/webp/decode_vp8.h +++ /dev/null @@ -1,139 +0,0 @@ -// Copyright 2010 Google Inc. -// -// This code is licensed under the same terms as WebM: -// Software License Agreement: http://www.webmproject.org/license/software/ -// Additional IP Rights Grant: http://www.webmproject.org/license/additional/ -// ----------------------------------------------------------------------------- -// -// Low-level API for VP8 decoder -// -// Author: Skal (pascal.massimino@gmail.com) - -#ifndef WEBP_WEBP_DECODE_VP8_H_ -#define WEBP_WEBP_DECODE_VP8_H_ - -#include "decode.h" - -#if defined(__cplusplus) || defined(c_plusplus) -extern "C" { -#endif - -#define WEBP_DECODER_ABI_VERSION 0x0001 - -//----------------------------------------------------------------------------- -// Lower-level API -// -// Thes functions provide fine-grained control of the decoding process. -// The call flow should resemble: -// -// VP8Io io; -// VP8InitIo(&io); -// io.data = data; -// io.data_size = size; -// /* customize io's functions (setup()/put()/teardown()) if needed. */ -// -// VP8Decoder* dec = VP8New(); -// bool ok = VP8Decode(dec); -// if (!ok) printf("Error: %s\n", VP8StatusMessage(dec)); -// VP8Delete(dec); -// return ok; - -// Input / Output -typedef struct VP8Io VP8Io; -struct VP8Io { - // set by VP8GetHeaders() - int width, height; // picture dimensions, in pixels - - // set before calling put() - int mb_y; // position of the current rows (in pixels) - int mb_h; // number of rows in the sample - const uint8_t *y, *u, *v; // rows to copy (in yuv420 format) - int y_stride; // row stride for luma - int uv_stride; // row stride for chroma - - void* opaque; // user data - - // called when fresh samples are available. Currently, samples are in - // YUV420 format, and can be up to width x 24 in size (depending on the - // in-loop filtering level, e.g.). Should return false in case of error - // or abort request. - int (*put)(const VP8Io* io); - - // called just before starting to decode the blocks. - // Should returns 0 in case of error. - int (*setup)(VP8Io* io); - - // called just after block decoding is finished (or when an error occurred). - void (*teardown)(const VP8Io* io); - - // this is a recommendation for the user-side yuv->rgb converter. This flag - // is set when calling setup() hook and can be overwritten by it. It then - // can be taken into consideration during the put() method. - int fancy_upscaling; - - // Input buffer. - uint32_t data_size; - const uint8_t* data; - - // If true, in-loop filtering will not be performed even if present in the - // bitstream. Switching off filtering may speed up decoding at the expense - // of more visible blocking. Note that output will also be non-compliant - // with the VP8 specifications. - int bypass_filtering; -}; - -// Internal, version-checked, entry point -extern int VP8InitIoInternal(VP8Io* const, int); - -// Main decoding object. This is an opaque structure. -typedef struct VP8Decoder VP8Decoder; - -// Create a new decoder object. -VP8Decoder* VP8New(); - -// Must be called to make sure 'io' is initialized properly. -// Returns false in case of version mismatch. Upon such failure, no other -// decoding function should be called (VP8Decode, VP8GetHeaders, ...) -static inline int VP8InitIo(VP8Io* const io) { - return VP8InitIoInternal(io, WEBP_DECODER_ABI_VERSION); -} - -// Start decoding a new picture. Returns true if ok. -int VP8GetHeaders(VP8Decoder* const dec, VP8Io* const io); - -// Decode a picture. Will call VP8GetHeaders() if it wasn't done already. -// Returns false in case of error. -int VP8Decode(VP8Decoder* const dec, VP8Io* const io); - -// Enumeration of the codes returned by VP8Status() -typedef enum { - VP8_STATUS_OK = 0, - VP8_STATUS_OUT_OF_MEMORY, - VP8_STATUS_INVALID_PARAM, - VP8_STATUS_BITSTREAM_ERROR, - VP8_STATUS_UNSUPPORTED_FEATURE, - VP8_STATUS_SUSPENDED, - VP8_STATUS_USER_ABORT, - VP8_STATUS_NOT_ENOUGH_DATA, -} VP8StatusCode; - -// Return current status of the decoder: -VP8StatusCode VP8Status(VP8Decoder* const dec); - -// return readable string corresponding to the last status. -const char* VP8StatusMessage(VP8Decoder* const dec); - -// Resets the decoder in its initial state, reclaiming memory. -// Not a mandatory call between calls to VP8Decode(). -void VP8Clear(VP8Decoder* const dec); - -// Destroy the decoder object. -void VP8Delete(VP8Decoder* const dec); - -//----------------------------------------------------------------------------- - -#if defined(__cplusplus) || defined(c_plusplus) -} // extern "C" -#endif - -#endif /* WEBP_WEBP_DECODE_VP8_H_ */ diff --git a/src/add-ons/translators/webp/libwebp/webp/encode.h b/src/add-ons/translators/webp/libwebp/webp/encode.h deleted file mode 100644 index 797b4c6194..0000000000 --- a/src/add-ons/translators/webp/libwebp/webp/encode.h +++ /dev/null @@ -1,216 +0,0 @@ -// Copyright 2011 Google Inc. -// -// This code is licensed under the same terms as WebM: -// Software License Agreement: http://www.webmproject.org/license/software/ -// Additional IP Rights Grant: http://www.webmproject.org/license/additional/ -// ----------------------------------------------------------------------------- -// -// WebP encoder: main interface -// -// Author: Skal (pascal.massimino@gmail.com) - -#ifndef WEBP_WEBP_ENCODE_H_ -#define WEBP_WEBP_ENCODE_H_ - -#include - -#include "webp/types.h" - -#if defined(__cplusplus) || defined(c_plusplus) -extern "C" { -#endif - -#define WEBP_ENCODER_ABI_VERSION 0x0001 - -//----------------------------------------------------------------------------- -// One-stop-shop call! No questions asked: - -// Returns the size of the compressed data (pointed to by *output), or 0 if -// an error occurred. The compressed data must be released by the caller -// using the call 'free(*output)'. -// Currently, alpha values are discarded. -size_t WebPEncodeRGB(const uint8_t* rgb, int width, int height, int stride, - float quality_factor, uint8_t** output); -size_t WebPEncodeBGR(const uint8_t* bgr, int width, int height, int stride, - float quality_factor, uint8_t** output); -size_t WebPEncodeRGBA(const uint8_t* rgba, int width, int height, int stride, - float quality_factor, uint8_t** output); -size_t WebPEncodeBGRA(const uint8_t* bgra, int width, int height, int stride, - float quality_factor, uint8_t** output); - -//----------------------------------------------------------------------------- -// Coding parameters - -typedef struct { - float quality; // between 0 (smallest file) and 100 (biggest) - int target_size; // if non-zero, set the desired target size in bytes. - // Takes precedence over the 'compression' parameter. - float target_PSNR; // if non-zero, specifies the minimal distortion to - // try to achieve. Takes precedence over target_size. - int method; // quality/speed trade-off (0=fast, 6=slower-better) - int segments; // maximum number of segments to use, in [1..4] - int sns_strength; // Spatial Noise Shaping. 0=off, 100=maximum. - int filter_strength; // range: [0 = off .. 100 = strongest] - int filter_sharpness; // range: [0 = off .. 7 = least sharp] - int filter_type; // filtering type: 0 = simple, 1 = strong - // (only used if filter_strength > 0 or autofilter > 0) - int autofilter; // Auto adjust filter's strength [0 = off, 1 = on] - int pass; // number of entropy-analysis passes (in [1..10]). - - int show_compressed; // if true, export the compressed picture back. - // In-loop filtering is not applied. - int preprocessing; // preprocessing filter (0=none, 1=segment-smooth) - int partitions; // log2(number of token partitions) in [0..3] - // Default is set to 0 for easier progressive decoding. -} WebPConfig; - -// Enumerate some predefined settings for WebPConfig, depending on the type -// of source picture. These presets are used when calling WebPConfigPreset(). -typedef enum { - WEBP_PRESET_DEFAULT = 0, // default preset. - WEBP_PRESET_PICTURE, // digital picture, like portrait, inner shot - WEBP_PRESET_PHOTO, // outdoor photograph, with natural lighting - WEBP_PRESET_DRAWING, // hand or line drawing, with high-contrast details - WEBP_PRESET_ICON, // small-sized colorful images - WEBP_PRESET_TEXT // text-like -} WebPPreset; - -// Internal, version-checked, entry point -int WebPConfigInitInternal(WebPConfig* const, WebPPreset, float, int); - -// Should always be called, to initialize a fresh WebPConfig structure before -// modification. Returns 0 in case of version mismatch. WebPConfigInit() must -// have succeeded before using the 'config' object. -static inline int WebPConfigInit(WebPConfig* const config) { - return WebPConfigInitInternal(config, WEBP_PRESET_DEFAULT, 75.f, - WEBP_ENCODER_ABI_VERSION); -} - -// This function will initialize the configuration according to a predefined -// set of parameters (referred to by 'preset') and a given quality factor. -// This function can be called as a replacement to WebPConfigInit(). Will -// return 0 in case of error. -static inline int WebPConfigPreset(WebPConfig* const config, - WebPPreset preset, float quality) { - return WebPConfigInitInternal(config, preset, quality, - WEBP_ENCODER_ABI_VERSION); -} - -// Returns 1 if all parameters are in valid range and the configuration is OK. -int WebPValidateConfig(const WebPConfig* const config); - -//----------------------------------------------------------------------------- -// Input / Output - -typedef struct WebPPicture WebPPicture; // main structure for I/O - -// non-essential structure for storing auxilliary statistics -typedef struct { - float PSNR[4]; // peak-signal-to-noise ratio for Y/U/V/All - int coded_size; // final size - int block_count[3]; // number of intra4/intra16/skipped macroblocks - int header_bytes[2]; // approximative number of bytes spent for header - // and mode-partition #0 - int residual_bytes[3][4]; // approximative number of bytes spent for - // DC/AC/uv coefficients for each (0..3) segments. - int segment_size[4]; // number of macroblocks in each segments - int segment_quant[4]; // quantizer values for each segments - int segment_level[4]; // filtering strength for each segments [0..63] -} WebPAuxStats; - -// Signature for output function. Should return 1 if writing was successful. -// data/data_size is the segment of data to write, and 'picture' is for -// reference (and so one can make use of picture->custom_ptr). -typedef int (*WebPWriterFunction)(const uint8_t* data, size_t data_size, - const WebPPicture* const picture); - -struct WebPPicture { - // input - int colorspace; // colorspace: should be 0 for now (=Y'CbCr). - int width, height; // dimensions. - uint8_t *y, *u, *v; // pointers to luma/chroma planes. - int y_stride, uv_stride; // luma/chroma strides. - uint8_t *a; // pointer to the alpha plane (unused for now). - - // output - WebPWriterFunction writer; // can be NULL - void* custom_ptr; // can be used by the writer. - - // map for extra information - int extra_info_type; // 1: intra type, 2: segment, 3: quant - // 4: intra-16 prediction mode, - // 5: chroma prediction mode, - // 6: bit cost, 7: distortion - uint8_t* extra_info; // if not NULL, points to an array of size - // ((width + 15) / 16) * ((height + 15) / 16) that - // will be filled with a macroblock map, depending - // on extra_info_type. - - // where to store statistics, if not NULL: - WebPAuxStats* stats; -}; - -// Internal, version-checked, entry point -int WebPPictureInitInternal(WebPPicture* const, int); - -// Should always be called, to initialize the structure. Returns 0 in case of -// version mismatch. WebPPictureInit() must have succeeded before using the -// 'picture' object. -static inline int WebPPictureInit(WebPPicture* const picture) { - return WebPPictureInitInternal(picture, WEBP_ENCODER_ABI_VERSION); -} - -//----------------------------------------------------------------------------- -// WebPPicture utils - -// Convenience allocation / deallocation based on picture->width/height: -// Allocate y/u/v buffers as per width/height specification. -// Note! This function will free the previous buffer if needed. -// Returns 0 in case of memory error. -int WebPPictureAlloc(WebPPicture* const picture); - -// Release memory allocated by WebPPictureAlloc() or WebPPictureImport*() -// Note that this function does _not_ free the memory pointed to by 'picture'. -void WebPPictureFree(WebPPicture* const picture); - -// Copy the pixels of *src into *dst, using WebPPictureAlloc. -// Returns 0 in case of memory allocation error. -int WebPPictureCopy(const WebPPicture* const src, WebPPicture* const dst); - -// self-crops a picture to the rectangle defined by top/left/width/height. -// Returns 0 in case of memory allocation error, or if the rectangle is -// outside of the source picture. -int WebPPictureCrop(WebPPicture* const picture, - int left, int top, int width, int height); - -// Colorspace conversion function. Previous buffer will be free'd, if any. -// *rgb buffer should have a size of at least height * rgb_stride. -// Returns 0 in case of memory error. -int WebPPictureImportRGB(WebPPicture* const picture, - const uint8_t* const rgb, int rgb_stride); -// Same, but for RGBA buffer. Alpha information is ignored. -int WebPPictureImportRGBA(WebPPicture* const picture, - const uint8_t* const rgba, int rgba_stride); - -// Variant of the above, but taking BGR input: -int WebPPictureImportBGR(WebPPicture* const picture, - const uint8_t* const bgr, int bgr_stride); -int WebPPictureImportBGRA(WebPPicture* const picture, - const uint8_t* const bgra, int bgra_stride); - -//----------------------------------------------------------------------------- -// Main call - -// Main encoding call, after config and picture have been initialiazed. -// 'picture' must be less than 16384x16384 in dimension, and the 'config' object -// must be a valid one. -// Returns false in case of error, true otherwise. -int WebPEncode(const WebPConfig* const config, WebPPicture* const picture); - -//----------------------------------------------------------------------------- - -#if defined(__cplusplus) || defined(c_plusplus) -} // extern "C" -#endif - -#endif /* WEBP_WEBP_ENCODE_H_ */ diff --git a/src/add-ons/translators/webp/libwebp/webp/types.h b/src/add-ons/translators/webp/libwebp/webp/types.h deleted file mode 100644 index a6d2cd4cb3..0000000000 --- a/src/add-ons/translators/webp/libwebp/webp/types.h +++ /dev/null @@ -1,29 +0,0 @@ -// Copyright 2010 Google Inc. -// -// This code is licensed under the same terms as WebM: -// Software License Agreement: http://www.webmproject.org/license/software/ -// Additional IP Rights Grant: http://www.webmproject.org/license/additional/ -// ----------------------------------------------------------------------------- -// -// Common types -// -// Author: Skal (pascal.massimino@gmail.com) - -#ifndef WEBP_WEBP_TYPES_H_ -#define WEBP_WEBP_TYPES_H_ - -#ifndef _MSC_VER -#include -#else -typedef signed char int8_t; -typedef unsigned char uint8_t; -typedef signed short int16_t; -typedef unsigned short uint16_t; -typedef signed int int32_t; -typedef unsigned int uint32_t; -typedef unsigned long long int uint64_t; -typedef long long int int64_t; -#define inline __forceinline -#endif /* _MSC_VER */ - -#endif /* WEBP_WEBP_TYPES_H_ */