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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QGSTREAMERMEDIAPLAYER_P_H
#define QGSTREAMERMEDIAPLAYER_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 <QtCore/qstack.h>
#include <qplatformmediaplayer_p.h>
#include <private/qtmultimediaglobal_p.h>
#include <qurl.h>
#include <private/qgst_p.h>
QT_BEGIN_NAMESPACE
class QNetworkAccessManager;
class QGstreamerPlayerSession;
class QGstreamerStreamsControl;
class QGstreamerVideoRenderer;
class QGstreamerBusHelper;
class QGstreamerMessage;
class QGstAppSrc;
class Q_MULTIMEDIA_EXPORT QGstreamerMediaPlayer : public QPlatformMediaPlayer
{
Q_OBJECT
public:
QGstreamerMediaPlayer(QObject *parent = 0);
~QGstreamerMediaPlayer();
QMediaPlayer::State state() const override;
QMediaPlayer::MediaStatus mediaStatus() const override;
qint64 position() const override;
qint64 duration() const override;
int bufferStatus() const override;
int volume() const override;
bool isMuted() const override;
bool isAudioAvailable() const override;
bool isVideoAvailable() const override;
bool isSeekable() 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&, QIODevice *) override;
bool streamPlaybackSupported() const override { return true; }
bool setAudioOutput(const QAudioDeviceInfo &) override;
QAudioDeviceInfo audioOutput() const override;
QMediaMetaData metaData() const override;
void setVideoSurface(QAbstractVideoSurface *surface) override;
QMediaStreamsControl *mediaStreams() override;
public Q_SLOTS:
void setPosition(qint64 pos) override;
void play() override;
void pause() override;
void stop() override;
void setVolume(int volume) override;
void setMuted(bool muted) override;
void busMessage(const QGstreamerMessage& message);
private:
friend class QGstreamerStreamsControl;
void decoderPadAdded(const QGstElement &src, const QGstPad &pad);
void decoderPadRemoved(const QGstElement &src, const QGstPad &pad);
void prepareAudioOutputChange(const QGstPad &pad);
bool changeAudioOutput();
void updateVideoSink();
void setSeekable(bool seekable);
QGstreamerStreamsControl *m_streamsControl = nullptr;
QMediaMetaData m_metaData;
QMediaPlayer::State m_state = QMediaPlayer::StoppedState;
QMediaPlayer::MediaStatus m_mediaStatus = QMediaPlayer::NoMedia;
int m_bufferProgress = -1;
QUrl m_url;
QNetworkAccessManager *networkManager = nullptr;
QIODevice *m_stream = nullptr;
bool ownStream = false;
int m_volume = 100.;
bool m_muted = false;
double m_playbackRate = 1.;
bool m_seekable = false;
qint64 m_duration = 0;
QAudioDeviceInfo m_audioOutput;
QAbstractVideoSurface *m_videoSurface = nullptr;
QGstreamerVideoRenderer *m_videoOutput = nullptr;
QGstreamerBusHelper *busHelper;
QGstAppSrc *m_appSrc;
// Gst elements
QGstPipeline playerPipeline;
QGstElement src;
QGstElement decoder;
QGstElement audioInputSelector;
QGstElement videoInputSelector;
QGstElement subTitleInputSelector;
// QGstElement streamSynchronizer;
QGstElement audioQueue;
QGstElement audioConvert;
QGstElement audioResample;
QGstElement audioVolume;
QGstElement audioSink;
QGstElement videoQueue;
QGstElement videoConvert;
QGstElement videoScale;
QGstElement videoSink;
QHash<QByteArray, QGstPad> decoderOutputMap;
};
QT_END_NAMESPACE
#endif
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