summaryrefslogtreecommitdiff
path: root/src/plugins/gstreamer/mediaplayer/qgstreamerplayersession.h
blob: 23e70315b8c62cfa6e0f9b173522b0d8263aa86b (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
/****************************************************************************
**
** 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