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don't crash if there is no output

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This commit is contained in:
Stephen Birarda 2013-12-06 13:22:07 -08:00
parent 349b7b493b
commit 098010e099
1 changed files with 7 additions and 8 deletions
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15
interface/src/Audio.cpp
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@ -142,15 +142,15 @@ void Audio::start() {
qDebug() << "The format for audio I/O is" << audioFormat << "\n";
QAudioDeviceInfo inputAudioDevice = defaultAudioDeviceForMode(QAudio::AudioInput);
QAudioDeviceInfo inputDeviceInfo = defaultAudioDeviceForMode(QAudio::AudioInput);
qDebug() << "Audio input device is" << inputAudioDevice.deviceName() << "\n";
if (!inputAudioDevice.isFormatSupported(audioFormat)) {
qDebug() << "Audio input device is" << inputDeviceInfo.deviceName() << "\n";
if (!inputDeviceInfo.isFormatSupported(audioFormat)) {
qDebug() << "The desired audio input format is not supported by this device. Not starting audio input.\n";
return;
}
_audioInput = new QAudioInput(inputAudioDevice, audioFormat, this);
_audioInput = new QAudioInput(inputDeviceInfo, audioFormat, this);
_audioInput->setBufferSize(CALLBACK_IO_BUFFER_SIZE);
_inputDevice = _audioInput->start();
@ -158,8 +158,6 @@ void Audio::start() {
QAudioDeviceInfo outputDeviceInfo = defaultAudioDeviceForMode(QAudio::AudioOutput);
qDebug() << outputDeviceInfo.supportedSampleRates() << "\n";
qDebug() << "Audio output device is" << outputDeviceInfo.deviceName() << "\n";
if (!outputDeviceInfo.isFormatSupported(audioFormat)) {
@ -350,8 +348,9 @@ void Audio::handleAudioInput() {
}
}
_outputDevice->write(stereoOutputBuffer);
if (_outputDevice) {
_outputDevice->write(stereoOutputBuffer);
}
// add output (@speakers) data just written to the scope
QMetaObject::invokeMethod(_scope, "addStereoSamples", Qt::QueuedConnection,