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FAudioGMS
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load OGG into memory to avoid disk bottleneck

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cosmonaut 2021-12-14 19:57:45 -08:00
parent 30cb6959e0
commit 4a3d2e25d4
2 changed files with 26 additions and 18 deletions
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gamemaker/extensions/FAudioGMS/FAudioGMS.dll (Stored with Git LFS)
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38
src/FAudioGMS.c
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@ -180,7 +180,8 @@ typedef struct FAudioGMS_StaticSound
typedef struct FAudioGMS_StreamingSound
{
stb_vorbis *fileHandle;
stb_vorbis *vorbisHandle;
void *vorbisData;
stb_vorbis_info info;
float *streamBuffer[STREAMING_BUFFER_COUNT];
uint32_t streamBufferSize;
@ -357,7 +358,7 @@ static void FAudioGMS_INTERNAL_OnBufferEndCallback(
instance->soundData.streamingSound.mostRecentSampleOffset %= instance->playLength;
if (stb_vorbis_get_sample_offset(instance->soundData.streamingSound.fileHandle) >= stb_vorbis_stream_length_in_samples(instance->soundData.streamingSound.fileHandle))
if (stb_vorbis_get_sample_offset(instance->soundData.streamingSound.vorbisHandle) >= stb_vorbis_stream_length_in_samples(instance->soundData.streamingSound.vorbisHandle))
{
FAudioGMS_INTERNAL_SoundInstance_Stop(instance);
}
@ -1004,13 +1005,13 @@ static void FAudioGMS_INTERNAL_SoundInstance_AddBuffers(FAudioGMS_SoundInstance
{
uint32_t distanceToEndPoint =
(instance->playBegin + instance->playLength) -
stb_vorbis_get_sample_offset(instance->soundData.streamingSound.fileHandle);
stb_vorbis_get_sample_offset(instance->soundData.streamingSound.vorbisHandle);
requestedSampleCount = SDL_min(requestedSampleCount, distanceToEndPoint);
}
/* NOTE: this function returns samples per channel, not total samples */
uint32_t sampleCount = stb_vorbis_get_samples_float_interleaved(
instance->soundData.streamingSound.fileHandle,
instance->soundData.streamingSound.vorbisHandle,
instance->format.nChannels,
instance->soundData.streamingSound
.streamBuffer[instance->soundData.streamingSound.nextStreamBufferIndex],
@ -1020,10 +1021,10 @@ static void FAudioGMS_INTERNAL_SoundInstance_AddBuffers(FAudioGMS_SoundInstance
if (instance->loop && sampleCount < defaultRequestedSampleCount)
{
uint32_t fillInSampleCount = defaultRequestedSampleCount - sampleCount;
stb_vorbis_seek(instance->soundData.streamingSound.fileHandle, instance->playBegin);
stb_vorbis_seek(instance->soundData.streamingSound.vorbisHandle, instance->playBegin);
uint32_t remainingSampleCount = stb_vorbis_get_samples_float_interleaved(
instance->soundData.streamingSound.fileHandle,
instance->soundData.streamingSound.vorbisHandle,
instance->format.nChannels,
&instance->soundData.streamingSound
.streamBuffer[instance->soundData.streamingSound.nextStreamBufferIndex][sampleCount * instance->format.nChannels],
@ -1060,7 +1061,12 @@ double FAudioGMS_StreamingSound_LoadOGG(char *filePath, double bufferSizeInBytes
uint32_t i;
int error = 0;
uint32_t bufferSizeInBytesInt = (uint32_t)bufferSizeInBytes;
stb_vorbis *fileHandle = stb_vorbis_open_filename(filePath, &error, NULL);
/* load entire vorbis file into memory first */
size_t vorbisSize;
void *vorbisData = SDL_LoadFile(filePath, &vorbisSize);
stb_vorbis *vorbisHandle = stb_vorbis_open_memory(vorbisData, (int)vorbisSize, &error, NULL);
if (error != 0)
{
@ -1074,12 +1080,13 @@ double FAudioGMS_StreamingSound_LoadOGG(char *filePath, double bufferSizeInBytes
bufferSizeInBytesInt = DEFAULT_STREAMING_BUFFER_SIZE; /* A reasonable default! */
}
stb_vorbis_info info = stb_vorbis_get_info(fileHandle);
stb_vorbis_info info = stb_vorbis_get_info(vorbisHandle);
FAudioGMS_SoundInstance *instance =
FAudioGMS_INTERNAL_SoundInstance_Init(info.channels, info.sample_rate, 32, 0);
instance->soundData.streamingSound.fileHandle = fileHandle;
instance->soundData.streamingSound.vorbisData = vorbisData;
instance->soundData.streamingSound.vorbisHandle = vorbisHandle;
instance->soundData.streamingSound.info = info;
for (i = 0; i < STREAMING_BUFFER_COUNT; i += 1)
{
@ -1091,7 +1098,7 @@ double FAudioGMS_StreamingSound_LoadOGG(char *filePath, double bufferSizeInBytes
instance->soundData.streamingSound.nextStreamBufferIndex = 0;
instance->soundData.streamingSound.buffersLoadedCount = 0;
instance->playLength = stb_vorbis_stream_length_in_samples(fileHandle);
instance->playLength = stb_vorbis_stream_length_in_samples(vorbisHandle);
return instance->id;
}
@ -1268,7 +1275,7 @@ static void FAudioGMS_INTERNAL_SoundInstance_Stop(FAudioGMS_SoundInstance *insta
instance->soundData.streamingSound.buffersLoadedCount = 0;
stb_vorbis_seek(
instance->soundData.streamingSound.fileHandle,
instance->soundData.streamingSound.vorbisHandle,
instance->playBegin); /* back to the start */
}
}
@ -1449,7 +1456,7 @@ void FAudioGMS_SoundInstance_SetTrackPositionInSeconds(
else
{
instance->soundData.streamingSound.buffersLoadedCount = 0;
stb_vorbis_seek(instance->soundData.streamingSound.fileHandle, sampleFrame);
stb_vorbis_seek(instance->soundData.streamingSound.vorbisHandle, sampleFrame);
FAudioGMS_INTERNAL_SoundInstance_AddBuffers(instance);
}
@ -1521,7 +1528,7 @@ void FAudioGMS_SoundInstance_SetPlayRegion(
{
FAudioSourceVoice_FlushSourceBuffers(instance->voice.handle);
instance->soundData.streamingSound.buffersLoadedCount = 0;
stb_vorbis_seek(instance->soundData.streamingSound.fileHandle, instance->playBegin);
stb_vorbis_seek(instance->soundData.streamingSound.vorbisHandle, instance->playBegin);
FAudioGMS_INTERNAL_SoundInstance_AddBuffers(instance);
}
}
@ -1604,7 +1611,7 @@ double FAudioGMS_SoundInstance_GetTrackLengthInSeconds(double soundInstanceID)
else
{
return stb_vorbis_stream_length_in_seconds(
instance->soundData.streamingSound.fileHandle);
instance->soundData.streamingSound.vorbisHandle);
}
}
else
@ -1685,7 +1692,8 @@ void FAudioGMS_SetListenerOrientation(
{
SDL_free(instance->soundData.streamingSound.streamBuffer[i]);
}
stb_vorbis_close(instance->soundData.streamingSound.fileHandle);
stb_vorbis_close(instance->soundData.streamingSound.vorbisHandle);
SDL_free(instance->soundData.streamingSound.vorbisData);
}
if (instance->is3D)
{