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#ifndef GILAUDIO_H
#define GILAUDIO_H
#include <QAudioOutput>
#include <QFile>
#include <QDebug>
#include <QFileDialog>
#include <QBuffer>
class GilAudio : public QObject
{
Q_OBJECT
public:
GilAudio(QString fileName)
{
isLoop=false;
sourceFile.setFileName(fileName);
QAudioFormat format;
// Set up the format, eg.
format.setSampleRate(22050);
format.setChannelCount(1);
format.setSampleSize(16);
format.setCodec("audio/pcm");
format.setByteOrder(QAudioFormat::LittleEndian);
format.setSampleType(QAudioFormat::UnSignedInt);
QAudioDeviceInfo info(QAudioDeviceInfo::defaultOutputDevice());
if (!info.isFormatSupported(format)) {
qWarning() << "Raw audio format not supported by backend, cannot play audio.";
return;
}
audio = new QAudioOutput(format, this);
connect(audio, SIGNAL(stateChanged(QAudio::State)), this, SLOT(handleStateChanged(QAudio::State)));
}
private:
QFile sourceFile; // class member.
QAudioOutput* audio; // class member.
bool isLoop;
public Q_SLOTS:
void playSound()
{
if(sourceFile.isOpen()==false)
{
audio->stop();
sourceFile.close();
sourceFile.open(QIODevice::ReadOnly);
audio->start(&sourceFile);
}
}
void stopSound()
{
audio->stop();
}
void setRepeat(bool rp)
{
isLoop=rp;
}
void handleStateChanged(QAudio::State newState)
{
switch (newState) {
case QAudio::IdleState:
// Finished playing (no more data)
audio->stop();
sourceFile.close();
if(isLoop==true)
{
playSound();
return;
}
//delete audio;
break;
case QAudio::StoppedState:
// Stopped for other reasons
if (audio->error() != QAudio::NoError) {
// Error handling
}
break;
default:
// ... other cases as appropriate
break;
}
}
};
#endif // GILAUDIO_H |
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