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TrackerReader: style fixes, no functional changes intended

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This commit is contained in:
Philippe Saint-Pierre
2013-07-17 16:58:41 -04:00
parent cd15d8c3d0
commit a71f2ed86a
1 changed files with 31 additions and 21 deletions
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src/kits/media/TrackReader.cpp
+31 -21
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@@ -31,10 +31,10 @@
* The undocumented BTrackReader class, * The undocumented BTrackReader class,
* used by BSound and the GameSound classes * used by BSound and the GameSound classes
*/ */
#include <File.h>
#include <MediaTrack.h> #include <MediaTrack.h>
#include <MediaFile.h> #include <MediaFile.h>
#include <File.h>
#include <string.h> #include <string.h>
#include "TrackReader.h" #include "TrackReader.h"
#include "debug.h" #include "debug.h"
@@ -69,6 +69,7 @@ BTrackReader::BTrackReader(BMediaTrack *track, media_raw_audio_format const &for
TRACE("BTrackReader::BTrackReader successful\n"); TRACE("BTrackReader::BTrackReader successful\n");
} }
BTrackReader::BTrackReader(BFile *file, media_raw_audio_format const &format) : BTrackReader::BTrackReader(BFile *file, media_raw_audio_format const &format) :
fFrameSize(0), fFrameSize(0),
fBuffer(0), fBuffer(0),
@@ -129,16 +130,17 @@ BTrackReader::BTrackReader(BFile *file, media_raw_audio_format const &format) :
TRACE("BTrackReader::BTrackReader successful\n"); TRACE("BTrackReader::BTrackReader successful\n");
} }
void void
BTrackReader::SetToTrack(BMediaTrack *track) BTrackReader::SetToTrack(BMediaTrack *track)
{ {
media_format fmt; media_format fmt;
memset(&fmt,0,sizeof(fmt)); //wildcard memset(&fmt, 0, sizeof(fmt)); //wildcard
memcpy(&fmt.u.raw_audio,&fFormat,sizeof(fFormat)); memcpy(&fmt.u.raw_audio, &fFormat, sizeof(fFormat));
fmt.type = B_MEDIA_RAW_AUDIO; fmt.type = B_MEDIA_RAW_AUDIO;
//try to find a output format //try to find a output format
if (B_OK == track->DecodedFormat(&fmt)) { if (track->DecodedFormat(&fmt) == B_OK) {
memcpy(&fFormat,&fmt.u.raw_audio,sizeof(fFormat)); memcpy(&fFormat, &fmt.u.raw_audio, sizeof(fFormat));
fMediaTrack = track; fMediaTrack = track;
return; return;
} }
@@ -146,8 +148,8 @@ BTrackReader::SetToTrack(BMediaTrack *track)
//try again //try again
fmt.u.raw_audio.buffer_size = 2 * 4096; fmt.u.raw_audio.buffer_size = 2 * 4096;
fmt.u.raw_audio.format = media_raw_audio_format::B_AUDIO_FLOAT; fmt.u.raw_audio.format = media_raw_audio_format::B_AUDIO_FLOAT;
if (B_OK == track->DecodedFormat(&fmt)) { if (track->DecodedFormat(&fmt) == B_OK) {
memcpy(&fFormat,&fmt.u.raw_audio,sizeof(fFormat)); memcpy(&fFormat, &fmt.u.raw_audio, sizeof(fFormat));
fMediaTrack = track; fMediaTrack = track;
return; return;
} }
@@ -155,8 +157,8 @@ BTrackReader::SetToTrack(BMediaTrack *track)
//try again //try again
fmt.u.raw_audio.buffer_size = 4096; fmt.u.raw_audio.buffer_size = 4096;
fmt.u.raw_audio.format = media_raw_audio_format::B_AUDIO_SHORT; fmt.u.raw_audio.format = media_raw_audio_format::B_AUDIO_SHORT;
if (B_OK == track->DecodedFormat(&fmt)) { if (track->DecodedFormat(&fmt) == B_OK) {
memcpy(&fFormat,&fmt.u.raw_audio,sizeof(fFormat)); memcpy(&fFormat, &fmt.u.raw_audio, sizeof(fFormat));
fMediaTrack = track; fMediaTrack = track;
return; return;
} }
@@ -165,15 +167,17 @@ BTrackReader::SetToTrack(BMediaTrack *track)
ERROR("BTrackReader::SetToTrack failed\n"); ERROR("BTrackReader::SetToTrack failed\n");
} }
BTrackReader::~BTrackReader() BTrackReader::~BTrackReader()
{ {
CALLED(); CALLED();
if (fMediaFile && fMediaTrack) if (fMediaFile && fMediaTrack)
fMediaFile->ReleaseTrack(fMediaTrack); fMediaFile->ReleaseTrack(fMediaTrack);
delete fMediaFile; delete fMediaFile;
delete [] fBuffer; delete[] fBuffer;
} }
status_t status_t
BTrackReader::InitCheck() BTrackReader::InitCheck()
{ {
@@ -181,6 +185,7 @@ BTrackReader::InitCheck()
return fMediaTrack ? fMediaTrack->InitCheck() : B_ERROR; return fMediaTrack ? fMediaTrack->InitCheck() : B_ERROR;
} }
int64 int64
BTrackReader::CountFrames(void) BTrackReader::CountFrames(void)
{ {
@@ -188,6 +193,7 @@ BTrackReader::CountFrames(void)
return fMediaTrack ? fMediaTrack->CountFrames() : 0; return fMediaTrack ? fMediaTrack->CountFrames() : 0;
} }
const media_raw_audio_format & const media_raw_audio_format &
BTrackReader::Format(void) const BTrackReader::Format(void) const
{ {
@@ -195,6 +201,7 @@ BTrackReader::Format(void) const
return fFormat; return fFormat;
} }
int32 int32
BTrackReader::FrameSize(void) BTrackReader::FrameSize(void)
{ {
@@ -202,19 +209,20 @@ BTrackReader::FrameSize(void)
return fFrameSize; return fFrameSize;
} }
status_t status_t
BTrackReader::ReadFrames(void *in_buffer, int32 frame_count) BTrackReader::ReadFrames(void* in_buffer, int32 frame_count)
{ {
CALLED(); CALLED();
uint8 *buffer = static_cast<uint8 *>(in_buffer); uint8* buffer = static_cast<uint8*>(in_buffer);
int32 bytes_to_read = frame_count * fFrameSize; int32 bytes_to_read = frame_count * fFrameSize;
status_t last_status = B_OK; status_t last_status = B_OK;
while (bytes_to_read > 0) { while (bytes_to_read > 0) {
int32 bytes_to_copy = min_c(fBufferUsedSize,bytes_to_read); int32 bytes_to_copy = min_c(fBufferUsedSize, bytes_to_read);
if (bytes_to_copy > 0) { if (bytes_to_copy > 0) {
memcpy(buffer,fBuffer + fBufferOffset,bytes_to_copy); memcpy(buffer, fBuffer + fBufferOffset, bytes_to_copy);
buffer += bytes_to_copy; buffer += bytes_to_copy;
bytes_to_read -= bytes_to_copy; bytes_to_read -= bytes_to_copy;
fBufferOffset += bytes_to_copy; fBufferOffset += bytes_to_copy;
@@ -224,21 +232,22 @@ BTrackReader::ReadFrames(void *in_buffer, int32 frame_count)
break; break;
if (fBufferUsedSize == 0) { if (fBufferUsedSize == 0) {
int64 outFrameCount; int64 outFrameCount;
last_status = fMediaTrack->ReadFrames(fBuffer,&outFrameCount); last_status = fMediaTrack->ReadFrames(fBuffer,
&outFrameCount);
fBufferOffset = 0; fBufferOffset = 0;
fBufferUsedSize = outFrameCount * fFrameSize; fBufferUsedSize = outFrameCount * fFrameSize;
} }
} }
if (bytes_to_read > 0) { if (bytes_to_read > 0) {
memset(buffer,0,bytes_to_read); memset(buffer, 0, bytes_to_read);
return B_LAST_BUFFER_ERROR; return B_LAST_BUFFER_ERROR;
} else {
return B_OK;
} }
return B_OK;
} }
status_t status_t
BTrackReader::SeekToFrame(int64 *in_out_frame) BTrackReader::SeekToFrame(int64* in_out_frame)
{ {
CALLED(); CALLED();
status_t s = fMediaTrack->SeekToFrame(in_out_frame, B_MEDIA_SEEK_CLOSEST_BACKWARD); status_t s = fMediaTrack->SeekToFrame(in_out_frame, B_MEDIA_SEEK_CLOSEST_BACKWARD);
@@ -249,7 +258,8 @@ BTrackReader::SeekToFrame(int64 *in_out_frame)
return B_OK; return B_OK;
} }
BMediaTrack *
BMediaTrack*
BTrackReader::Track(void) BTrackReader::Track(void)
{ {
CALLED(); CALLED();