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