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[AFV] Select audio device based on situational need

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For AFV itself, a low latency device is required (which on Windows most likely will pick WASAPI).
For notifications and effects, the most compatible device is required (which on Windows will most likely fall back to QWindowsAudio).
This commit is contained in:
Roland Rossgotterer
2019-10-02 17:09:15 +02:00
committed by Mat Sutcliffe
parent 18ec101391
commit 90e87835fc
5 changed files with 119 additions and 95 deletions
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38
src/blacksound/threadedtonepairplayer.cpp
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@@ -8,11 +8,13 @@
#include "threadedtonepairplayer.h"
#include "blackmisc/logmessage.h"
#include "blacksound/audioutilities.h"
#include <QTimer>
using namespace BlackMisc;
using namespace BlackMisc::Audio;
using namespace BlackSound;
namespace BlackSound
{
@@ -38,36 +40,14 @@ namespace BlackSound
{
CLogMessage(this).info(u"CThreadedTonePairPlayer for device '%1'") << m_deviceInfo.getName();
QAudioDeviceInfo selectedDevice;
if (m_deviceInfo.isDefault())
{
selectedDevice = QAudioDeviceInfo::defaultOutputDevice();
}
else
{
// TODO: Add smart algorithm to find the device with exactly supports the audio format below
const QList<QAudioDeviceInfo> outputDevices = QAudioDeviceInfo::availableDevices(QAudio::AudioOutput);
for (const QAudioDeviceInfo &d : outputDevices)
{
if (d.deviceName() == m_deviceInfo.getName())
{
selectedDevice = d;
}
}
}
m_audioFormat.setSampleRate(44100);
m_audioFormat.setChannelCount(1);
m_audioFormat.setSampleSize(16); // 8 or 16 works
m_audioFormat.setCodec("audio/pcm");
m_audioFormat.setByteOrder(QAudioFormat::LittleEndian);
m_audioFormat.setSampleType(QAudioFormat::SignedInt);
QAudioFormat format;
format.setSampleRate(44100);
format.setChannelCount(1);
format.setSampleSize(16); // 8 or 16 works
format.setCodec("audio/pcm");
format.setByteOrder(QAudioFormat::LittleEndian);
format.setSampleType(QAudioFormat::SignedInt);
if (!selectedDevice.isFormatSupported(format))
{
format = selectedDevice.nearestFormat(format);
}
m_audioFormat = format;
QAudioDeviceInfo selectedDevice = getHighestCompatibleOutputDevice(m_deviceInfo, m_audioFormat);
m_audioOutput = new QAudioOutput(selectedDevice, m_audioFormat, this);
connect(m_audioOutput, &QAudioOutput::stateChanged, this, &CThreadedTonePairPlayer::handleStateChanged);
}