jyapayne/moonlight-qt
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Switch to 32-bit floating point audio

Browse source 
Excluding Steam Link due to CPU and API limitations
This commit is contained in:
Cameron Gutman 2024-07-17 20:37:50 -05:00
commit 7f009a4b8e
8 changed files with 69 additions and 17 deletions
Download patch file Download diff file Expand all files Collapse all files

36
app/streaming/audio/audio.cpp
View file

@ -205,29 +205,41 @@ void Session::arDecodeAndPlaySample(char* sampleData, int sampleLength)
}
if (s_ActiveSession->m_AudioRenderer != nullptr) {
int desiredSize = sizeof(short) * s_ActiveSession->m_ActiveAudioConfig.samplesPerFrame * s_ActiveSession->m_ActiveAudioConfig.channelCount;
void* buffer = s_ActiveSession->m_AudioRenderer->getAudioBuffer(&desiredSize);
int sampleSize = s_ActiveSession->m_AudioRenderer->getAudioBufferSampleSize();
int frameSize = sampleSize * s_ActiveSession->m_ActiveAudioConfig.channelCount;
int desiredBufferSize = frameSize * s_ActiveSession->m_ActiveAudioConfig.samplesPerFrame;
void* buffer = s_ActiveSession->m_AudioRenderer->getAudioBuffer(&desiredBufferSize);
if (buffer == nullptr) {
return;
}
samplesDecoded = opus_multistream_decode(s_ActiveSession->m_OpusDecoder,
(unsigned char*)sampleData,
sampleLength,
(short*)buffer,
desiredSize / sizeof(short) / s_ActiveSession->m_ActiveAudioConfig.channelCount,
0);
if (s_ActiveSession->m_AudioRenderer->getAudioBufferFormat() == IAudioRenderer::AudioFormat::Float32NE) {
samplesDecoded = opus_multistream_decode_float(s_ActiveSession->m_OpusDecoder,
(unsigned char*)sampleData,
sampleLength,
(float*)buffer,
desiredBufferSize / frameSize,
0);
}
else {
samplesDecoded = opus_multistream_decode(s_ActiveSession->m_OpusDecoder,
(unsigned char*)sampleData,
sampleLength,
(short*)buffer,
desiredBufferSize / frameSize,
0);
}
// Update desiredSize with the number of bytes actually populated by the decoding operation
if (samplesDecoded > 0) {
SDL_assert(desiredSize >= (int)(sizeof(short) * samplesDecoded * s_ActiveSession->m_ActiveAudioConfig.channelCount));
desiredSize = sizeof(short) * samplesDecoded * s_ActiveSession->m_ActiveAudioConfig.channelCount;
SDL_assert(desiredBufferSize >= frameSize * samplesDecoded);
desiredBufferSize = frameSize * samplesDecoded;
}
else {
desiredSize = 0;
desiredBufferSize = 0;
}
if (!s_ActiveSession->m_AudioRenderer->submitAudio(desiredSize)) {
if (!s_ActiveSession->m_AudioRenderer->submitAudio(desiredBufferSize)) {
SDL_LogWarn(SDL_LOG_CATEGORY_APPLICATION,
"Reinitializing audio renderer after failure");