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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 QFFMPEGDEMUXER_P_H
#define QFFMPEGDEMUXER_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 "private/qplatformmediaplayer_p.h"
#include "playbackengine/qffmpegpacket_p.h"
#include "playbackengine/qffmpegpositionwithoffset_p.h"
#include <unordered_map>
QT_BEGIN_NAMESPACE
namespace QFFmpeg {
class Demuxer : public PlaybackEngineObject
{
Q_OBJECT
public:
Demuxer(AVFormatContext *context, const PositionWithOffset &posWithOffset,
const StreamIndexes &streamIndexes, int loops);
using RequestingSignal = void (Demuxer::*)(Packet);
static RequestingSignal signalByTrackType(QPlatformMediaPlayer::TrackType trackType);
void setLoops(int loopsCount);
public slots:
void onPacketProcessed(Packet);
signals:
void requestProcessAudioPacket(Packet);
void requestProcessVideoPacket(Packet);
void requestProcessSubtitlePacket(Packet);
void firstPacketFound(TimePoint tp, qint64 trackPos);
void packetsBuffered();
private:
bool canDoNextStep() const override;
void doNextStep() override;
void ensureSeeked();
private:
struct StreamData
{
QPlatformMediaPlayer::TrackType trackType = QPlatformMediaPlayer::TrackType::NTrackTypes;
qint64 bufferingTime = 0;
qint64 bufferingSize = 0;
};
AVFormatContext *m_context = nullptr;
bool m_seeked = false;
bool m_firstPacketFound = false;
std::unordered_map<int, StreamData> m_streams;
PositionWithOffset m_posWithOffset;
qint64 m_endPts = 0;
QAtomicInt m_loops = QMediaPlayer::Once;
bool m_buffered = false;
};
} // namespace QFFmpeg
QT_END_NAMESPACE // QFFMPEGDEMUXER_P_H
#endif
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