| 1 | // Copyright (C) 2021 The Qt Company Ltd. |
|---|---|
| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
| 3 | |
| 4 | // |
| 5 | // W A R N I N G |
| 6 | // ------------- |
| 7 | // |
| 8 | // This file is not part of the Qt API. It exists purely as an |
| 9 | // implementation detail. This header file may change from version to |
| 10 | // version without notice, or even be removed. |
| 11 | // |
| 12 | // We mean it. |
| 13 | // |
| 14 | |
| 15 | #ifndef QFFMPEGMEDIAPLAYER_H |
| 16 | #define QFFMPEGMEDIAPLAYER_H |
| 17 | |
| 18 | #include <private/qplatformmediaplayer_p.h> |
| 19 | #include <qmediametadata.h> |
| 20 | #include <qtimer.h> |
| 21 | #include <qpointer.h> |
| 22 | #include <qfuture.h> |
| 23 | #include "qffmpeg_p.h" |
| 24 | #include "playbackengine/qffmpegmediadataholder_p.h" |
| 25 | |
| 26 | QT_BEGIN_NAMESPACE |
| 27 | |
| 28 | namespace QFFmpeg { |
| 29 | class CancelToken; |
| 30 | |
| 31 | class PlaybackEngine; |
| 32 | } |
| 33 | |
| 34 | class QPlatformAudioOutput; |
| 35 | |
| 36 | class QFFmpegMediaPlayer : public QObject, public QPlatformMediaPlayer |
| 37 | { |
| 38 | Q_OBJECT |
| 39 | public: |
| 40 | QFFmpegMediaPlayer(QMediaPlayer *player); |
| 41 | ~QFFmpegMediaPlayer(); |
| 42 | |
| 43 | qint64 duration() const override; |
| 44 | |
| 45 | void setPosition(qint64 position) override; |
| 46 | |
| 47 | float bufferProgress() const override; |
| 48 | |
| 49 | QMediaTimeRange availablePlaybackRanges() const override; |
| 50 | |
| 51 | qreal playbackRate() const override; |
| 52 | void setPlaybackRate(qreal rate) override; |
| 53 | |
| 54 | QUrl media() const override; |
| 55 | const QIODevice *mediaStream() const override; |
| 56 | void setMedia(const QUrl &media, QIODevice *stream) override; |
| 57 | |
| 58 | void play() override; |
| 59 | void pause() override; |
| 60 | void stop() override; |
| 61 | |
| 62 | void setAudioOutput(QPlatformAudioOutput *) override; |
| 63 | |
| 64 | void setAudioBufferOutput(QAudioBufferOutput *) override; |
| 65 | |
| 66 | QMediaMetaData metaData() const override; |
| 67 | |
| 68 | void setVideoSink(QVideoSink *sink) override; |
| 69 | QVideoSink *videoSink() const; |
| 70 | |
| 71 | int trackCount(TrackType) override; |
| 72 | QMediaMetaData trackMetaData(TrackType type, int streamNumber) override; |
| 73 | int activeTrack(TrackType) override; |
| 74 | void setActiveTrack(TrackType, int streamNumber) override; |
| 75 | void setLoops(int loops) override; |
| 76 | |
| 77 | private: |
| 78 | void runPlayback(); |
| 79 | void handleIncorrectMedia(QMediaPlayer::MediaStatus status); |
| 80 | void setMediaAsync(QFFmpeg::MediaDataHolder::Maybe mediaDataHolder, |
| 81 | const std::shared_ptr<QFFmpeg::CancelToken> &cancelToken); |
| 82 | |
| 83 | void mediaStatusChanged(QMediaPlayer::MediaStatus); |
| 84 | |
| 85 | private slots: |
| 86 | void updatePosition(); |
| 87 | void endOfStream(); |
| 88 | void error(int error, const QString &errorString) |
| 89 | { |
| 90 | QPlatformMediaPlayer::error(error, errorString); |
| 91 | } |
| 92 | void onLoopChanged(); |
| 93 | void onBuffered(); |
| 94 | |
| 95 | private: |
| 96 | QTimer m_positionUpdateTimer; |
| 97 | QMediaPlayer::PlaybackState m_requestedStatus = QMediaPlayer::StoppedState; |
| 98 | |
| 99 | using PlaybackEngine = QFFmpeg::PlaybackEngine; |
| 100 | |
| 101 | std::unique_ptr<PlaybackEngine> m_playbackEngine; |
| 102 | QPlatformAudioOutput *m_audioOutput = nullptr; |
| 103 | QPointer<QAudioBufferOutput> m_audioBufferOutput; |
| 104 | QPointer<QVideoSink> m_videoSink; |
| 105 | |
| 106 | QUrl m_url; |
| 107 | QPointer<QIODevice> m_device; |
| 108 | float m_playbackRate = 1.; |
| 109 | float m_bufferProgress = 0.f; |
| 110 | QFuture<void> m_loadMedia; |
| 111 | std::shared_ptr<QFFmpeg::CancelToken> m_cancelToken; // For interrupting ongoing |
| 112 | // network connection attempt |
| 113 | }; |
| 114 | |
| 115 | QT_END_NAMESPACE |
| 116 | |
| 117 | |
| 118 | #endif // QMEDIAPLAYERCONTROL_H |
| 119 | |
| 120 |