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Use CWorker to play sound in background

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This commit is contained in:
Roland Rossgotterer
2019-03-01 17:09:00 +01:00
committed by Mat Sutcliffe
parent 6dfd0aff12
commit 77a8c46790
2 changed files with 12 additions and 54 deletions
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52
src/blacksound/soundgenerator.cpp
View File

@@ -9,6 +9,7 @@
#include "blacksound/soundgenerator.h"
#include "blackmisc/directoryutils.h"
#include "blackmisc/filedeleter.h"
#include "blackmisc/worker.h"
#include <QtCore/qendian.h>
#include <math.h>
#include <qmath.h>
@@ -82,25 +83,6 @@ namespace BlackSound
}
}
void CSoundGenerator::startInOwnThread(int volume)
{
m_ownThread = new QThread(); // deleted by signals, hence no parent
this->moveToThread(m_ownThread);
// connect(this, &CSoundGenerator::startThread, this, &CSoundGenerator::start);
connect(m_ownThread, &QThread::started, this, [ = ]() { this->start(volume, false); });
connect(this, &CSoundGenerator::stopping, m_ownThread, &QThread::quit);
// in auto delete mode force deleteLater when thread is finished
if (m_playMode == CNotificationSounds::SingleWithAutomaticDeletion)
{
connect(m_ownThread, &QThread::finished, this, &CSoundGenerator::deleteLater);
}
// start thread and begin processing by calling start via signal startThread
m_ownThread->start();
}
void CSoundGenerator::stop(bool destructor)
{
// m_audioOutput->setVolume(0); // Bug or feature, killing the applicaions volume?
@@ -431,34 +413,22 @@ namespace BlackSound
return generator;
}
CSoundGenerator *CSoundGenerator::playSignalInBackground(int volume, const QList<CSoundGenerator::Tone> &tones, const QAudioDeviceInfo &device)
void CSoundGenerator::playSignalInBackground(int volume, const QList<CSoundGenerator::Tone> &tones, const QAudioDeviceInfo &device)
{
CSoundGenerator *generator = new CSoundGenerator(device, CSoundGenerator::defaultAudioFormat(), tones, CNotificationSounds::SingleWithAutomaticDeletion);
if (tones.isEmpty()) { return generator; } // that was easy
if (volume < 1) { return generator; }
if (generator->singleCyleDurationMs() < 10) { return generator; } // unable to hear
// play, and maybe clean up when done
generator->startInOwnThread(volume);
return generator;
}
void CSoundGenerator::playSignalRecorded(int volume, const QList<CSoundGenerator::Tone> &tones, const QAudioDeviceInfo &device)
{
if (tones.isEmpty()) { return; } // that was easy
if (volume < 1) { return; }
if (generator->singleCyleDurationMs() < 10) { return; } // unable to hear
CSoundGenerator *generator = new CSoundGenerator(device, CSoundGenerator::defaultAudioFormat(), tones, CNotificationSounds::SingleWithAutomaticDeletion);
if (generator->singleCyleDurationMs() > 10)
CWorker *worker = CWorker::fromTask(QCoreApplication::instance(), "CSoundGenerator::playSignalInBackground", [generator, volume]()
{
// play, and maybe clean up when done
QString fileName = QString("blacksound").append(QString::number(QDateTime::currentMSecsSinceEpoch())).append(".wav");
fileName = QDir::temp().filePath(fileName);
generator->generateData();
generator->saveToWavFile(fileName);
CSoundGenerator::playFile(volume, fileName, true);
}
generator->deleteLater();
generator->start(volume, false);
});
worker->then([generator]()
{
generator->deleteLater();
});
}
void CSoundGenerator::playSelcal(int volume, const CSelcal &selcal, const QAudioDeviceInfo &device)

14
src/blacksound/soundgenerator.h
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@@ -130,14 +130,7 @@ namespace BlackSound
//! \param volume 0-100
//! \param tones list of tones
//! \param device device to be used
//! \return generator used, important with SingleWithAutomaticDeletion automatically deleted
static CSoundGenerator *playSignalInBackground(int volume, const QList<CSoundGenerator::Tone> &tones, const QAudioDeviceInfo &device);
//! Record the tones to a wav file, then play the wav file
//! \param volume 0-100
//! \param tones list of tones
//! \param device device to be used
static void playSignalRecorded(int volume, const QList<CSoundGenerator::Tone> &tones, const QAudioDeviceInfo &device);
static void playSignalInBackground(int volume, const QList<CSoundGenerator::Tone> &tones, const QAudioDeviceInfo &device);
//! Play SELCAL tone
//! \param volume 0-100
@@ -187,11 +180,6 @@ namespace BlackSound
//! \param pull pull/push, if false push mode
void start(int volume, bool pull = true);
//! Play sound in own thread, open device
//! \remarks always push mode
//! \param volume 0..100
void startInOwnThread(int volume);
private slots:
//! Push mode, timer expired
void pushTimerExpired();