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/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** 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 Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/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 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QGSTREAMERPLAYERSESSION_H
#define QGSTREAMERPLAYERSESSION_H
#include <QObject>
#include <QtCore/qmutex.h>
#include <QtNetwork/qnetworkrequest.h>
#include "qgstreamerplayercontrol.h"
#include <private/qgstreamerbushelper_p.h>
#include <qmediaplayer.h>
#include <qmediastreamscontrol.h>
#include <qaudioformat.h>
#if defined(HAVE_GST_APPSRC)
#include <private/qgstappsrc_p.h>
#endif
#include <gst/gst.h>
QT_BEGIN_NAMESPACE
class QGstreamerBusHelper;
class QGstreamerMessage;
class QGstreamerVideoRendererInterface;
class QGstreamerVideoProbeControl;
class QGstreamerAudioProbeControl;
typedef enum {
GST_AUTOPLUG_SELECT_TRY,
GST_AUTOPLUG_SELECT_EXPOSE,
GST_AUTOPLUG_SELECT_SKIP
} GstAutoplugSelectResult;
class QGstreamerPlayerSession : public QObject,
public QGstreamerBusMessageFilter
{
Q_OBJECT
Q_INTERFACES(QGstreamerBusMessageFilter)
public:
QGstreamerPlayerSession(QObject *parent);
virtual ~QGstreamerPlayerSession();
GstElement *playbin() const;
QGstreamerBusHelper *bus() const { return m_busHelper; }
QNetworkRequest request() const;
QMediaPlayer::State state() const { return m_state; }
QMediaPlayer::State pendingState() const { return m_pendingState; }
qint64 duration() const;
qint64 position() const;
int volume() const;
bool isMuted() const;
bool isAudioAvailable() const;
void setVideoRenderer(QObject *renderer);
bool isVideoAvailable() const;
bool isSeekable() const;
qreal playbackRate() const;
void setPlaybackRate(qreal rate);
QMediaTimeRange availablePlaybackRanges() const;
QMap<QByteArray ,QVariant> tags() const { return m_tags; }
QMap<QString,QVariant> streamProperties(int streamNumber) const { return m_streamProperties[streamNumber]; }
int streamCount() const { return m_streamProperties.count(); }
QMediaStreamsControl::StreamType streamType(int streamNumber) { return m_streamTypes.value(streamNumber, QMediaStreamsControl::UnknownStream); }
int activeStream(QMediaStreamsControl::StreamType streamType) const;
void setActiveStream(QMediaStreamsControl::StreamType streamType, int streamNumber);
bool processBusMessage(const QGstreamerMessage &message);
#if defined(HAVE_GST_APPSRC)
QGstAppSrc *appsrc() const { return m_appSrc; }
static void configureAppSrcElement(GObject*, GObject*, GParamSpec*,QGstreamerPlayerSession* _this);
#endif
bool isLiveSource() const;
void addProbe(QGstreamerVideoProbeControl* probe);
void removeProbe(QGstreamerVideoProbeControl* probe);
static gboolean padVideoBufferProbe(GstPad *pad, GstBuffer *buffer, gpointer user_data);
void addProbe(QGstreamerAudioProbeControl* probe);
void removeProbe(QGstreamerAudioProbeControl* probe);
static gboolean padAudioBufferProbe(GstPad *pad, GstBuffer *buffer, gpointer user_data);
void endOfMediaReset();
public slots:
void loadFromUri(const QNetworkRequest &url);
void loadFromStream(const QNetworkRequest &url, QIODevice *stream);
bool play();
bool pause();
void stop();
bool seek(qint64 pos);
void setVolume(int volume);
void setMuted(bool muted);
void showPrerollFrames(bool enabled);
signals:
void durationChanged(qint64 duration);
void positionChanged(qint64 position);
void stateChanged(QMediaPlayer::State state);
void volumeChanged(int volume);
void mutedStateChanged(bool muted);
void audioAvailableChanged(bool audioAvailable);
void videoAvailableChanged(bool videoAvailable);
void bufferingProgressChanged(int percentFilled);
void playbackFinished();
void tagsChanged();
void streamsChanged();
void seekableChanged(bool);
void error(int error, const QString &errorString);
void invalidMedia();
void playbackRateChanged(qreal);
private slots:
void getStreamsInfo();
void setSeekable(bool);
void finishVideoOutputChange();
void updateVideoRenderer();
void updateVideoResolutionTag();
void updateVolume();
void updateMuted();
void updateDuration();
private:
static void playbinNotifySource(GObject *o, GParamSpec *p, gpointer d);
static void handleVolumeChange(GObject *o, GParamSpec *p, gpointer d);
static void handleMutedChange(GObject *o, GParamSpec *p, gpointer d);
static void insertColorSpaceElement(GstElement *element, gpointer data);
static void handleElementAdded(GstBin *bin, GstElement *element, QGstreamerPlayerSession *session);
static void handleStreamsChange(GstBin *bin, gpointer user_data);
static GstAutoplugSelectResult handleAutoplugSelect(GstBin *bin, GstPad *pad, GstCaps *caps, GstElementFactory *factory, QGstreamerPlayerSession *session);
void processInvalidMedia(QMediaPlayer::Error errorCode, const QString& errorString);
void removeVideoBufferProbe();
void addVideoBufferProbe();
void removeAudioBufferProbe();
void addAudioBufferProbe();
void flushVideoProbes();
void resumeVideoProbes();
static void playlistTypeFindFunction(GstTypeFind *find, gpointer userData);
QNetworkRequest m_request;
QMediaPlayer::State m_state;
QMediaPlayer::State m_pendingState;
QGstreamerBusHelper* m_busHelper;
GstElement* m_playbin;
GstElement* m_videoOutputBin;
GstElement* m_videoIdentity;
GstElement* m_colorSpace;
bool m_usingColorspaceElement;
GstElement* m_videoSink;
GstElement* m_pendingVideoSink;
GstElement* m_nullVideoSink;
GstElement* m_audioSink;
GstElement* m_volumeElement;
GstBus* m_bus;
QObject *m_videoOutput;
QGstreamerVideoRendererInterface *m_renderer;
#if defined(HAVE_GST_APPSRC)
QGstAppSrc *m_appSrc;
#endif
QMap<QByteArray, QVariant> m_tags;
QList< QMap<QString,QVariant> > m_streamProperties;
QList<QMediaStreamsControl::StreamType> m_streamTypes;
QMap<QMediaStreamsControl::StreamType, int> m_playbin2StreamOffset;
QList<QGstreamerVideoProbeControl*> m_videoProbes;
QMutex m_videoProbeMutex;
int m_videoBufferProbeId;
QList<QGstreamerAudioProbeControl*> m_audioProbes;
QMutex m_audioProbeMutex;
int m_audioBufferProbeId;
int m_volume;
qreal m_playbackRate;
bool m_muted;
bool m_audioAvailable;
bool m_videoAvailable;
bool m_seekable;
mutable qint64 m_lastPosition;
qint64 m_duration;
int m_durationQueries;
bool m_displayPrerolledFrame;
enum SourceType
{
UnknownSrc,
SoupHTTPSrc,
UDPSrc,
MMSSrc,
RTSPSrc,
};
SourceType m_sourceType;
bool m_everPlayed;
bool m_isLiveSource;
bool m_isPlaylist;
};
QT_END_NAMESPACE
#endif // QGSTREAMERPLAYERSESSION_H
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