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Fix surround sound channel mapping on ALSA

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This commit is contained in:
Cameron Gutman
2018-10-01 18:46:16 -07:00
parent b14a0fa2ce
commit 209b4a1b02
6 changed files with 58 additions and 7 deletions
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18
app/streaming/audio/audio.cpp
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@@ -59,23 +59,27 @@ int Session::arInit(int /* audioConfiguration */,
SDL_memcpy(&s_ActiveSession->m_AudioConfig, opusConfig, sizeof(*opusConfig));
s_ActiveSession->m_AudioRenderer = s_ActiveSession->createAudioRenderer();
if (s_ActiveSession->m_AudioRenderer == nullptr) {
return -1;
}
// Allow the audio renderer to adjust the channel mapping to fit its
// preferred channel order
s_ActiveSession->m_AudioRenderer->adjustOpusChannelMapping(&s_ActiveSession->m_AudioConfig);
s_ActiveSession->m_OpusDecoder =
opus_multistream_decoder_create(opusConfig->sampleRate,
opusConfig->channelCount,
opusConfig->streams,
opusConfig->coupledStreams,
opusConfig->mapping,
s_ActiveSession->m_AudioConfig.mapping,
&error);
if (s_ActiveSession->m_OpusDecoder == NULL) {
delete s_ActiveSession->m_AudioRenderer;
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"Failed to create decoder: %d",
error);
return -1;
}
s_ActiveSession->m_AudioRenderer = s_ActiveSession->createAudioRenderer();
if (s_ActiveSession->m_AudioRenderer == nullptr) {
opus_multistream_decoder_destroy(s_ActiveSession->m_OpusDecoder);
return -2;
}