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Replace QAudioDeviceInfo with CAudioDeviceInfo where possible

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QAudioDeviceInfo is a low level technical class, which shouldn't be used in higher level code. Remove it from all APIs
where possible and just create it in order to interface with QAudio
This commit is contained in:
Roland Rossgotterer
2019-10-02 14:50:37 +02:00
committed by Mat Sutcliffe
parent 8656131eb1
commit a2e3700739
18 changed files with 141 additions and 863 deletions
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32
src/blackcore/afv/audio/output.cpp
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@@ -17,6 +17,7 @@
#include <cmath>
using namespace BlackMisc;
using namespace BlackMisc::Audio;
using namespace BlackSound;
using namespace BlackSound::SampleProvider;
@@ -81,11 +82,32 @@ namespace BlackCore
Output::Output(QObject *parent) : QObject(parent)
{ }
void Output::start(const QAudioDeviceInfo &outputDevice, ISampleProvider *sampleProvider)
void Output::start(const CAudioDeviceInfo &outputDevice, ISampleProvider *sampleProvider)
{
if (m_started) { return; }
m_audioOutputBuffer = new CAudioOutputBuffer(sampleProvider, this);
connect(m_audioOutputBuffer, &CAudioOutputBuffer::outputVolumeStream, this, &Output::outputVolumeStream);
m_device = outputDevice;
QAudioDeviceInfo selectedDevice;
if (outputDevice.isDefault())
{
selectedDevice = QAudioDeviceInfo::defaultOutputDevice();
}
else
{
// TODO: Add smart algorithm to find the device with lowest latency
const QList<QAudioDeviceInfo> outputDevices = QAudioDeviceInfo::availableDevices(QAudio::AudioOutput);
for (const QAudioDeviceInfo &d : outputDevices)
{
if (d.deviceName() == outputDevice.getName())
{
selectedDevice = d;
}
}
}
QAudioFormat outputFormat;
outputFormat.setSampleRate(48000);
outputFormat.setChannelCount(1);
@@ -94,11 +116,11 @@ namespace BlackCore
outputFormat.setByteOrder(QAudioFormat::LittleEndian);
outputFormat.setCodec("audio/pcm");
if (!outputDevice.isFormatSupported(outputFormat))
if (!selectedDevice.isFormatSupported(outputFormat))
{
outputFormat = outputDevice.nearestFormat(outputFormat);
outputFormat = selectedDevice.nearestFormat(outputFormat);
const QString w =
outputDevice.deviceName() %
selectedDevice.deviceName() %
": Default OUTPUT format not supported - trying to use nearest" %
" Sample rate: " % QString::number(outputFormat.sampleRate()) %
" Sample size: " % QString::number(outputFormat.sampleSize()) %
@@ -109,7 +131,7 @@ namespace BlackCore
CLogMessage(this).warning(w);
}
m_audioOutputCom.reset(new QAudioOutput(outputDevice, outputFormat));
m_audioOutputCom.reset(new QAudioOutput(selectedDevice, outputFormat));
// m_audioOutput->setBufferSize(bufferSize);
m_audioOutputBuffer->open(QIODevice::ReadWrite | QIODevice::Unbuffered);
m_audioOutputBuffer->setAudioFormat(outputFormat);