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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
//
// 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.
//
#ifndef QFFMPEGMEDIAPLAYER_H
#define QFFMPEGMEDIAPLAYER_H
#include <private/qplatformmediaplayer_p.h>
#include <qmediametadata.h>
#include <qtimer.h>
#include <qpointer.h>
#include <qfuture.h>
#include "qffmpeg_p.h"
#include "playbackengine/qffmpegmediadataholder_p.h"
QT_BEGIN_NAMESPACE
namespace QFFmpeg {
class CancelToken;
class PlaybackEngine;
}
class QPlatformAudioOutput;
class QFFmpegMediaPlayer : public QObject, public QPlatformMediaPlayer
{
Q_OBJECT
public:
QFFmpegMediaPlayer(QMediaPlayer *player);
~QFFmpegMediaPlayer();
qint64 duration() const override;
void setPosition(qint64 position) override;
float bufferProgress() const override;
QMediaTimeRange availablePlaybackRanges() const override;
qreal playbackRate() const override;
void setPlaybackRate(qreal rate) override;
QUrl media() const override;
const QIODevice *mediaStream() const override;
void setMedia(const QUrl &media, QIODevice *stream) override;
void play() override;
void pause() override;
void stop() override;
void setAudioOutput(QPlatformAudioOutput *) override;
QMediaMetaData metaData() const override;
void setVideoSink(QVideoSink *sink) override;
QVideoSink *videoSink() const;
int trackCount(TrackType) override;
QMediaMetaData trackMetaData(TrackType type, int streamNumber) override;
int activeTrack(TrackType) override;
void setActiveTrack(TrackType, int streamNumber) override;
void setLoops(int loops) override;
private:
void runPlayback();
void handleIncorrectMedia(QMediaPlayer::MediaStatus status);
void setMediaAsync(QFFmpeg::MediaDataHolder::Maybe mediaDataHolder,
const std::shared_ptr<QFFmpeg::CancelToken> &cancelToken);
void mediaStatusChanged(QMediaPlayer::MediaStatus);
private slots:
void updatePosition();
void endOfStream();
void error(int error, const QString &errorString)
{
QPlatformMediaPlayer::error(error, errorString);
}
void onLoopChanged();
void onBuffered();
private:
QTimer m_positionUpdateTimer;
QMediaPlayer::PlaybackState m_requestedStatus = QMediaPlayer::StoppedState;
using PlaybackEngine = QFFmpeg::PlaybackEngine;
std::unique_ptr<PlaybackEngine> m_playbackEngine;
QPlatformAudioOutput *m_audioOutput = nullptr;
QPointer<QVideoSink> m_videoSink;
QUrl m_url;
QPointer<QIODevice> m_device;
float m_playbackRate = 1.;
float m_bufferProgress = 0.f;
QFuture<void> m_loadMedia;
std::shared_ptr<QFFmpeg::CancelToken> m_cancelToken; // For interrupting ongoing
// network connection attempt
};
QT_END_NAMESPACE
#endif // QMEDIAPLAYERCONTROL_H
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