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Fixes for missing audio device.

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This commit is contained in:
Andrzej Kapolka 2014-12-15 22:41:35 -08:00
parent 78a61cd48b
commit 50c1e9fb40
2 changed files with 7 additions and 2 deletions
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7
interface/src/Audio.cpp
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@ -450,7 +450,9 @@ void Audio::start() {
qDebug() << "Unable to set up audio output because of a problem with output format.";
}
_inputFrameBuffer.initialize( _inputFormat.channelCount(), _audioInput->bufferSize() * 8 );
if (_audioInput) {
_inputFrameBuffer.initialize( _inputFormat.channelCount(), _audioInput->bufferSize() * 8 );
}
_inputGain.initialize();
_sourceGain.initialize();
_noiseSource.initialize();
@ -1935,6 +1937,9 @@ int Audio::calculateNumberOfFrameSamples(int numBytes) const {
}
float Audio::getAudioOutputMsecsUnplayed() const {
if (!_audioOutput) {
return 0.0f;
}
int bytesAudioOutputUnplayed = _audioOutput->bufferSize() - _audioOutput->bytesFree();
float msecsAudioOutputUnplayed = bytesAudioOutputUnplayed / (float)_outputFormat.bytesForDuration(USECS_PER_MSEC);
return msecsAudioOutputUnplayed;

2
libraries/audio/src/AudioRingBuffer.h
View file

@ -62,7 +62,7 @@ public:
float getNextOutputFrameLoudness() const;
int samplesAvailable() const;
int framesAvailable() const { return samplesAvailable() / _numFrameSamples; }
int framesAvailable() const { return (_numFrameSamples == 0) ? 0 : samplesAvailable() / _numFrameSamples; }
int getNumFrameSamples() const { return _numFrameSamples; }