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// Copyright (C) 2021 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#ifndef QFFMPEGSTREAMDECODER_P_H
#define QFFMPEGSTREAMDECODER_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include "playbackengine/qffmpegplaybackengineobject_p.h"
#include "qffmpegdecoder_p.h" // to be removed
#include <optional>
QT_BEGIN_NAMESPACE
namespace QFFmpeg::PlaybackEngineInternal {
class StreamDecoder : public PlaybackEngineObject
{
Q_OBJECT
public:
StreamDecoder(const Codec &codec, qint64 seekPos);
~StreamDecoder();
QPlatformMediaPlayer::TrackType trackType() const;
public slots:
void decode(Packet);
void onFinalPacketReceived();
void onFrameProcessed(Frame frame);
signals:
void requestHandleFrame(Frame frame);
void packetProcessed(Packet);
protected:
bool canDoNextStep() const override;
void doNextStep() override;
private:
void decodeMedia(Packet);
void decodeSubtitle(Packet);
void onFrameFound(Frame frame);
int sendAVPacket(Packet);
void receiveAVFrames();
private:
Codec m_codec;
qint64 m_seekPos = 0;
const QPlatformMediaPlayer::TrackType m_trackType;
qint32 m_pendingFramesCount = 0;
QQueue<Packet> m_packets;
};
}
QT_END_NAMESPACE
#endif // QFFMPEGSTREAMDECODER_P_H
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