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Audio output device: added volume control

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This commit is contained in:
f4exb 2020-11-21 09:41:35 +01:00
parent 8a335aa277
commit b3476e4757
2 changed files with 13 additions and 0 deletions
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11
sdrbase/audio/audiooutputdevice.cpp
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@ -33,6 +33,7 @@ AudioOutputDevice::AudioOutputDevice() :
m_udpChannelCodec(UDPCodecL16),
m_audioUsageCount(0),
m_onExit(false),
m_volume(1.0),
m_audioFifos()
{
}
@ -114,6 +115,7 @@ bool AudioOutputDevice::start(int device, int rate)
m_audioOutput = new QAudioOutput(devInfo, m_audioFormat);
m_audioNetSink = new AudioNetSink(0, m_audioFormat.sampleRate(), false);
m_audioOutput->setVolume(m_volume);
QIODevice::open(QIODevice::ReadOnly);
@ -341,3 +343,12 @@ qint64 AudioOutputDevice::writeData(const char* data, qint64 len)
Q_UNUSED(len);
return 0;
}
void AudioOutputDevice::setVolume(float volume)
{
m_volume = volume;
if (m_audioOutput) {
m_audioOutput->setVolume(m_volume);
}
}

2
sdrbase/audio/audiooutputdevice.h
View File

@ -71,6 +71,7 @@ public:
void setUdpChannelMode(UDPChannelMode udpChannelMode);
void setUdpChannelFormat(UDPChannelCodec udpChannelCodec, bool stereo, int sampleRate);
void setUdpDecimation(uint32_t decimation);
void setVolume(float volume);
private:
QMutex m_mutex;
@ -81,6 +82,7 @@ private:
UDPChannelCodec m_udpChannelCodec;
uint m_audioUsageCount;
bool m_onExit;
float m_volume;
std::list<AudioFifo*> m_audioFifos;
std::vector<qint32> m_mixBuffer;