FskErr FskAudioDecompressFrames(FskAudioDecompress deco, const void *data, UInt32 dataSize, UInt32 frameCount, UInt32 *frameSizes, void **samples, UInt32 *audioFormat, UInt32 *sampleCount, UInt32 *channelCount)
{
FskErr err;
UInt32 samplesSize = 0;
#if SUPPORT_INSTRUMENTATION
FskTimeRecord start, now;
if (FskInstrumentedItemHasListenersForLevel(deco, kFskInstrumentationLevelDebug))
FskTimeGetNow(&start);
else
start.seconds = start.useconds = 0;
#endif
*samples = 0;
*sampleCount = 0;
err = (deco->decoder->doDecompressFrames)(deco->state, deco, data, dataSize, frameCount, frameSizes, samples, &samplesSize);
if (err) {
FskInstrumentedItemSendMessageMinimal(deco, kFskAudioDecompressInstrDecompressFailed, (void *)err);
goto bail;
}
deco->frameNumber += frameCount;
*sampleCount = samplesSize / (2 * deco->outputChannelCount);
if (audioFormat) *audioFormat = deco->outputFormat;
if (channelCount) *channelCount = deco->outputChannelCount;
#if SUPPORT_INSTRUMENTATION
if (FskInstrumentedItemHasListenersForLevel(deco, kFskInstrumentationLevelMinimal)) {
void *msgData[5];
msgData[0] = (void *)data;
msgData[1] = (void *)dataSize;
msgData[2] = (void *)frameCount;
msgData[3] = (void *)*sampleCount;
if (!start.seconds)
msgData[4] = (void *)0;
else {
FskTimeGetNow(&now);
FskTimeSub(&start, &now);
msgData[4] = (void *)FskTimeInMS(&now);
}
FskInstrumentedItemSendMessageForLevel(deco, kFskAudioDecompressInstrDecompress, msgData, kFskInstrumentationLevelMinimal);
}
#endif
bail:
return err;
}
FskErr FskAudioFilterProcessSamples(FskAudioFilter filter, void *input, UInt32 inputSampleCount,
void *output, UInt32 *outputSampleCount, UInt32 *outputSize)
{
FskErr err;
err = (filter->dispatch->doProcessSamples)(filter, filter->state, input, inputSampleCount, output, outputSampleCount, outputSize);
#if SUPPORT_INSTRUMENTATION
if (FskInstrumentedItemHasListenersForLevel(filter, kFskInstrumentationLevelNormal)) {
void *msgData[3];
msgData[0] = (void *)inputSampleCount;
msgData[1] = (void *)*outputSampleCount;
msgData[2] = (void *)err;
FskInstrumentedItemSendMessageForLevel(filter, kFskAudioFilterInstrProcess, msgData, kFskInstrumentationLevelNormal);
}
#endif
return err;
}