* Added test application written by Krzysztof Ćwiertnia for the BPushGameSound

that shows that something is obviously broken right now (I fixed some coding
  style violations, though).


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@34689 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/tests/kits/game/Jamfile

@@ -1,11 +1,12 @@
 SubDir HAIKU_TOP src tests kits game ;
 
-SubInclude HAIKU_TOP src tests kits game file_game_sound_test ;
+SubInclude HAIKU_TOP src tests kits game chart ;
-SubInclude HAIKU_TOP src tests kits game set_mouse_position_test ;
-SubInclude HAIKU_TOP src tests kits game simple_game_sound_test ;
 SubInclude HAIKU_TOP src tests kits game direct_window_test ;
 SubInclude HAIKU_TOP src tests kits game direct_window_info_test ;
+SubInclude HAIKU_TOP src tests kits game file_game_sound_test ;
+SubInclude HAIKU_TOP src tests kits game push_game_sound_test ;
+SubInclude HAIKU_TOP src tests kits game set_mouse_position_test ;
+SubInclude HAIKU_TOP src tests kits game simple_game_sound_test ;
 SubInclude HAIKU_TOP src tests kits game page_flipper ;
-SubInclude HAIKU_TOP src tests kits game chart ;
 SubInclude HAIKU_TOP src tests kits game ParticlesII ;
 

src/tests/kits/game/push_game_sound_test/Jamfile

@@ -0,0 +1,6 @@
+SubDir HAIKU_TOP src tests kits game push_game_sound_test ;
+
+SimpleTest push_game_sound_test
+	: push_game_sound_test.cpp
+	: game media be $(TARGET_LIBSUPC++)
+;

src/tests/kits/game/push_game_sound_test/push_game_sound_test.cpp

@@ -0,0 +1,189 @@
+/*
+ * Copyright 2009, Krzysztof Ćwiertnia (krzysiek.bmkx_gmail_com).
+ * All Rights Reserved. Distributed under the terms of the MIT License.
+ */
+
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <Entry.h>
+#include <InterfaceDefs.h>
+#include <MediaFile.h>
+#include <MediaTrack.h>
+#include <PushGameSound.h>
+
+
+int
+main(int argc, char *argv[])
+{
+	// 256 frames * 4 buffer parts * 2 channels * 2 bytes per sample
+	// will give us internal buffer of 4096 bytes
+	size_t framesPerBufferPart = 256;
+	size_t bufferPartCount = 4;
+
+	if (argc != 2 && argc != 4) {
+		printf("Usage: %s <sound file name> [<frames per part> <parts>]\n",
+			argv[0]);
+		return 0;
+	}
+
+	if (argc == 4) {
+		size_t size = strtoul(argv[2], NULL, 10);
+		if (0 < size)
+			framesPerBufferPart = size;
+		size = strtoul(argv[3], NULL,  10);
+		if (size == 1) {
+			printf("at least 2 buffer parts are needed\n");
+			return 0;
+		}
+		if (0 < size)
+			bufferPartCount = size;
+	}
+
+	printf("frames per buffer part: %ld\n", framesPerBufferPart);
+	printf("buffer part count: %ld\n", bufferPartCount);
+
+	BEntry entry(argv[1]);
+	if (entry.InitCheck() != B_OK || !entry.Exists()) {
+		printf("cannot open input file\n");
+		return 0;
+	}
+
+	entry_ref entryRef;
+	entry.GetRef(&entryRef);
+
+	BMediaFile mediaFile(&entryRef);
+	if (mediaFile.InitCheck() != B_OK) {
+		printf("file not supported\n");
+		return 0;
+	}
+
+	if (mediaFile.CountTracks() == 0) {
+		printf("no tracks found in file\n");
+		return 0;
+	}
+
+	BMediaTrack *mediaTrack = mediaFile.TrackAt(0);
+	if (mediaTrack == NULL) {
+		printf("problem getting track from file\n");
+		return 0;
+	}
+
+	// propose format, let it decide frame rate, channels number and buf size
+	media_format format;
+	memset(&format, 0, sizeof(format));
+	format.type = B_MEDIA_RAW_AUDIO;
+	format.u.raw_audio.format = media_raw_audio_format::B_AUDIO_SHORT;
+	format.u.raw_audio.byte_order = B_MEDIA_LITTLE_ENDIAN;
+
+	if (mediaTrack->DecodedFormat(&format) != B_OK) {
+		printf("cannot set decoder output format\n");
+		return 0;
+	}
+
+	printf("negotiated format:\n");
+	printf("frame rate: %g Hz\n", format.u.raw_audio.frame_rate);
+	printf("channel count: %ld\n", format.u.raw_audio.channel_count);
+	printf("buffer size: %ld bytes\n", format.u.raw_audio.buffer_size);
+
+	gs_audio_format gsFormat;
+	memset(&gsFormat, 0, sizeof(gsFormat));
+	gsFormat.frame_rate = format.u.raw_audio.frame_rate;
+	gsFormat.channel_count = format.u.raw_audio.channel_count;
+	gsFormat.format = format.u.raw_audio.format;
+	gsFormat.byte_order = format.u.raw_audio.byte_order;
+
+	BPushGameSound pushGameSound(framesPerBufferPart, &gsFormat,
+		bufferPartCount);
+	if (pushGameSound.InitCheck() != B_OK) {
+		printf("trouble initializing push game sound\n");
+	}
+
+	uint8 *buffer;
+	size_t bufferSize;
+	if (pushGameSound.LockForCyclic((void **)&buffer, &bufferSize)
+			!= BPushGameSound::lock_ok) {
+		printf("cannot lock buffer\n");
+		return 0;
+	}
+	memset(buffer, 0, bufferSize);
+
+	if (pushGameSound.StartPlaying() != B_OK) {
+		printf("cannot start playback\n");
+		return 0;
+	}
+
+	printf("playing, press [esc] to exit...\n");
+
+	uint8 decoded[format.u.raw_audio.buffer_size * 2];
+	size_t bufferPartSize = framesPerBufferPart
+		* format.u.raw_audio.channel_count
+		* (format.u.raw_audio.format
+			& media_raw_audio_format::B_AUDIO_SIZE_MASK);
+	size_t decodedSize = 0;
+	size_t partPos = 0;
+	size_t pos = pushGameSound.CurrentPosition();
+	key_info keyInfo;
+
+	while (true) {
+		// fill buffer part with data from decoded buffer
+		while (partPos < bufferPartSize && decodedSize) {
+			size_t size = min_c(bufferPartSize - partPos, decodedSize);
+
+			memcpy(buffer + pos + partPos, decoded, size);
+			partPos += size;
+
+			decodedSize -= size;
+			memmove(decoded, decoded + size, decodedSize);
+		}
+
+		// if there are too little data to fill next buffer part
+		// read next decoded frames
+		if (partPos < bufferPartSize) {
+			int64 frameCount;
+			if (mediaTrack->ReadFrames(decoded + decodedSize, &frameCount)
+					!= B_OK)
+				break;
+			if (frameCount == 0)
+				break;
+
+			decodedSize += frameCount * format.u.raw_audio.channel_count
+				* (format.u.raw_audio.format
+					& media_raw_audio_format::B_AUDIO_SIZE_MASK);
+
+			printf("\rtime: %.2f", (double) mediaTrack->CurrentTime()
+					/ 1000000LL);
+			fflush(stdout);
+			continue;
+		}
+
+		// this buffer part is done
+		partPos = 0;
+		pos += bufferPartSize;
+		if (bufferSize <= pos)
+			pos = 0;
+
+		// playback sync
+		while (pushGameSound.CurrentPosition() == pos)
+			snooze(100);
+
+		// check escape key state
+		if (get_key_info(&keyInfo) != B_OK) {
+			printf("\nkeyboard state read error\n");
+			break;
+		}
+		if ((keyInfo.key_states[0] & 0x40) != 0)
+			break;
+	}
+
+	pushGameSound.StopPlaying();
+
+	mediaFile.ReleaseTrack(mediaTrack);
+	mediaFile.CloseFile();
+
+	printf("\nfinished.\n");
+
+	return 0;
+}