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User configurable audio device buffer sizes

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Adjusting these may help with  audio drop-outs, particularly on slower
CPU systems or heavily loaded systems. Smaller buffer sizes leave less
margin for  process interruptions,  larger sizes waste  resources that
could impact other processes.
This commit is contained in:
Bill Somerville
2020-08-08 16:25:14 +01:00
parent f975f2c181
commit a0ceace5b4
8 changed files with 201 additions and 95 deletions
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widgets/mainwindow.cpp
+13 -12
View File
@@ -394,8 +394,6 @@ MainWindow::MainWindow(QDir const& temp_directory, bool multiple,
},
m_sfx {"P", "0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "A"},
mem_jt9 {shdmem},
m_msAudioOutputBuffered (0u),
m_framesAudioInputBuffered (RX_SAMPLE_RATE / 10),
m_downSampleFactor (downSampleFactor),
m_audioThreadPriority (QThread::HighPriority),
m_bandEdited {false},
@@ -937,8 +935,12 @@ MainWindow::MainWindow(QDir const& temp_directory, bool multiple,
connect (&m_wav_future_watcher, &QFutureWatcher<void>::finished, this, &MainWindow::diskDat);
connect(&watcher3, SIGNAL(finished()),this,SLOT(fast_decode_done()));
Q_EMIT startAudioInputStream (m_config.audio_input_device (), m_framesAudioInputBuffered, m_detector, m_downSampleFactor, m_config.audio_input_channel ());
Q_EMIT initializeAudioOutputStream (m_config.audio_output_device (), AudioDevice::Mono == m_config.audio_output_channel () ? 1 : 2, m_msAudioOutputBuffered);
Q_EMIT startAudioInputStream (m_config.audio_input_device ()
, m_config.audio_input_buffer_size ()
, m_detector, m_downSampleFactor, m_config.audio_input_channel ());
Q_EMIT initializeAudioOutputStream (m_config.audio_output_device ()
, AudioDevice::Mono == m_config.audio_output_channel () ? 1 : 2
, m_config.audio_output_buffer_size ());
Q_EMIT transmitFrequency (ui->TxFreqSpinBox->value () - m_XIT);
enable_DXCC_entity (m_config.DXCC ()); // sets text window proportions and (re)inits the logbook
@@ -1277,8 +1279,6 @@ void MainWindow::readSettings()
// use these initialisation settings to tune the audio o/p buffer
// size and audio thread priority
m_settings->beginGroup ("Tune");
m_msAudioOutputBuffered = m_settings->value ("Audio/OutputBufferMs").toInt ();
m_framesAudioInputBuffered = m_settings->value ("Audio/InputBufferFrames", RX_SAMPLE_RATE / 10).toInt ();
m_audioThreadPriority = static_cast<QThread::Priority> (m_settings->value ("Audio/ThreadPriority", QThread::HighPriority).toInt () % 8);
m_settings->endGroup ();
@@ -1799,15 +1799,16 @@ void MainWindow::on_actionSettings_triggered() //Setup Dialog
if(m_config.spot_to_psk_reporter ()) pskSetLocal ();
if(m_config.restart_audio_input ()) {
Q_EMIT startAudioInputStream (m_config.audio_input_device (),
m_framesAudioInputBuffered, m_detector, m_downSampleFactor,
m_config.audio_input_channel ());
Q_EMIT startAudioInputStream (m_config.audio_input_device ()
, m_config.audio_input_buffer_size ()
, m_detector, m_downSampleFactor
, m_config.audio_input_channel ());
}
if(m_config.restart_audio_output ()) {
Q_EMIT initializeAudioOutputStream (m_config.audio_output_device (),
AudioDevice::Mono == m_config.audio_output_channel () ? 1 : 2,
m_msAudioOutputBuffered);
Q_EMIT initializeAudioOutputStream (m_config.audio_output_device ()
, AudioDevice::Mono == m_config.audio_output_channel () ? 1 : 2
, m_config.audio_output_buffer_size ());
}
displayDialFrequency ();