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XAudio2: Try orignal sound format first, and fallback to 16bit mono on failure

This commit is contained in:
wangqr 2019-11-01 21:58:11 -04:00
parent 2ca9cf0de0
commit 2929b9db37
1 changed files with 19 additions and 17 deletions
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36
src/audio_player_xaudio2.cpp
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@ -297,31 +297,33 @@ void XAudio2Thread::Run() {
REPORT_ERROR("Failed initializing XAudio2 MasteringVoice")
}
#ifdef XAUDIO2_SAFE_FORMATS_ONLY
const bool original = provider->GetChannels() <= 2 && provider->AreSamplesFloat() ? provider->GetBytesPerSample() == 4 : provider->GetBytesPerSample() <= 2;
#else
const bool original = true;
#endif
// Describe the wave format
WAVEFORMATEX wfx;
wfx.nSamplesPerSec = provider->GetSampleRate();
wfx.cbSize = 0;
if (original) {
wfx.wFormatTag = provider->AreSamplesFloat() ? WAVE_FORMAT_IEEE_FLOAT : WAVE_FORMAT_PCM;
wfx.nChannels = provider->GetChannels();
wfx.wBitsPerSample = provider->GetBytesPerSample() * 8;
}
else {
wfx.wFormatTag = WAVE_FORMAT_PCM;
wfx.nChannels = 1;
wfx.wBitsPerSample = sizeof(int16_t) * 8;
}
bool original = true;
wfx.wFormatTag = provider->AreSamplesFloat() ? WAVE_FORMAT_IEEE_FLOAT : WAVE_FORMAT_PCM;
wfx.nChannels = provider->GetChannels();
wfx.wBitsPerSample = provider->GetBytesPerSample() * 8;
wfx.nBlockAlign = wfx.nChannels * wfx.wBitsPerSample / 8;
wfx.nAvgBytesPerSec = wfx.nSamplesPerSec * wfx.nBlockAlign;
if (FAILED(hr = pXAudio2->CreateSourceVoice(&pSourceVoice, &wfx, 0, 2, this))) {
REPORT_ERROR("Failed initializing XAudio2 SourceVoice")
if (hr == XAUDIO2_E_INVALID_CALL) {
// Retry with 16bit mono
original = false;
wfx.wFormatTag = WAVE_FORMAT_PCM;
wfx.nChannels = 1;
wfx.wBitsPerSample = sizeof(int16_t) * 8;
wfx.nBlockAlign = wfx.nChannels * wfx.wBitsPerSample / 8;
wfx.nAvgBytesPerSec = wfx.nSamplesPerSec * wfx.nBlockAlign;
if (FAILED(hr = pXAudio2->CreateSourceVoice(&pSourceVoice, &wfx, 0, 2, this))) {
REPORT_ERROR("Failed initializing XAudio2 SourceVoice")
}
}
else {
REPORT_ERROR("Failed initializing XAudio2 SourceVoice")
}
}
// Now we're ready to roll!