tdesktop/Telegram/SourceFiles/media/audio/media_audio_capture.h

91 lines
1.5 KiB
C++

/*
This file is part of Telegram Desktop,
the official desktop application for the Telegram messaging service.
For license and copyright information please follow this link:
https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
*/
#pragma once
#include <QtCore/QTimer>
struct AVFrame;
namespace Media {
namespace Capture {
void Start();
void Finish();
class Instance : public QObject {
Q_OBJECT
public:
Instance();
void check();
bool available() const {
return _available;
}
~Instance();
signals:
void start();
void stop(bool needResult);
void done(QByteArray data, VoiceWaveform waveform, qint32 samples);
void updated(quint16 level, qint32 samples);
void error();
private:
class Inner;
friend class Inner;
bool _available = false;
QThread _thread;
Inner *_inner;
};
Instance *instance();
class Instance::Inner : public QObject {
Q_OBJECT
public:
Inner(QThread *thread);
~Inner();
signals:
void error();
void updated(quint16 level, qint32 samples);
void done(QByteArray data, VoiceWaveform waveform, qint32 samples);
public slots:
void onInit();
void onStart();
void onStop(bool needResult);
void onTimeout();
private:
void processFrame(int32 offset, int32 framesize);
void writeFrame(AVFrame *frame);
// Writes the packets till EAGAIN is got from av_receive_packet()
// Returns number of packets written or -1 on error
int writePackets();
struct Private;
Private *d;
QTimer _timer;
QByteArray _captured;
};
} // namespace Capture
} // namespace Media