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Audio Queue Services now queries user-configured sample rate from device

This commit is contained in:
Jack Andersen 2016-06-08 15:51:21 -10:00
parent 65a63bcab5
commit e62e8952b5
1 changed files with 20 additions and 2 deletions
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22
lib/audiodev/AQS.cpp
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@ -559,11 +559,29 @@ struct AQSAudioVoiceEngine : BaseAudioVoiceEngine
Log.report(logvisor::Fatal, "unable to create output audio queue"); Log.report(logvisor::Fatal, "unable to create output audio queue");
return; return;
} }
Float64 actualSampleRate;
UInt32 argSize = 8;
err = AudioQueueGetProperty(m_queue, kAudioQueueDeviceProperty_SampleRate, &actualSampleRate, &argSize);
AudioQueueDispose(m_queue, true);
if (err)
{
Log.report(logvisor::Fatal, "unable to get native sample rate from audio queue");
return;
}
desc.mSampleRate = actualSampleRate;
if ((err = AudioQueueNewOutput(&desc, AudioQueueOutputCallback(Callback),
this, nullptr, nullptr, 0, &m_queue)))
{
Log.report(logvisor::Fatal, "unable to create output audio queue");
return;
}
m_mixInfo.m_sampleRate = 96000.0; m_mixInfo.m_sampleRate = actualSampleRate;
m_mixInfo.m_sampleFormat = SOXR_INT32_I; m_mixInfo.m_sampleFormat = SOXR_INT32_I;
m_mixInfo.m_bitsPerSample = 32; m_mixInfo.m_bitsPerSample = 32;
m_5msFrames = 96000 * 5 / 1000; m_5msFrames = actualSampleRate * 5 / 1000;
ChannelMap& chMapOut = m_mixInfo.m_channelMap; ChannelMap& chMapOut = m_mixInfo.m_channelMap;
if (chCount > 2) if (chCount > 2)