summaryrefslogtreecommitdiffstats
path: root/src/plugins/mediaservices/gstreamer/mediaplayer/qgstreamerplayercontrol.h
blob: 0c53945bf387cb47e3805f02d9fb394095c047bb (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
/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the plugins of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** 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, Nokia gives you certain additional
** rights.  These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef QGSTREAMERPLAYERCONTROL_H
#define QGSTREAMERPLAYERCONTROL_H

#include <QtCore/qobject.h>

#include <QtMultimedia/qmediaplayercontrol.h>
#include <QtMultimedia/qmediaplayer.h>

#include <limits.h>


QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

class QMediaPlaylist;
class QGstreamerPlayerSession;
class QGstreamerPlayerService;
class QMediaPlaylistNavigator;
class QSocketNotifier;

class QGstreamerPlayerControl : public QMediaPlayerControl
{
    Q_OBJECT

public:
    QGstreamerPlayerControl(QGstreamerPlayerSession *session, QObject *parent = 0);
    ~QGstreamerPlayerControl();

    QMediaPlayer::State state() const;
    QMediaPlayer::MediaStatus mediaStatus() const;

    qint64 position() const;
    qint64 duration() const;

    int bufferStatus() const;

    int volume() const;
    bool isMuted() const;

    bool isAudioAvailable() const;
    bool isVideoAvailable() const;
    void setVideoOutput(QObject *output);

    bool isSeekable() const;
    QMediaTimeRange availablePlaybackRanges() const;

    qreal playbackRate() const;
    void setPlaybackRate(qreal rate);

    QMediaContent media() const;
    const QIODevice *mediaStream() const;
    void setMedia(const QMediaContent&, QIODevice *);

public Q_SLOTS:
    void setPosition(qint64 pos);

    void play();
    void pause();
    void stop();

    void setVolume(int volume);
    void setMuted(bool muted);

private Q_SLOTS:
    void writeFifo();
    void fifoReadyWrite(int socket);

    void updateState(QMediaPlayer::State);
    void processEOS();
    void setBufferProgress(int progress);

private:
    bool openFifo();
    void closeFifo();

    QGstreamerPlayerSession *m_session;
    QMediaPlayer::State m_state;
    QMediaPlayer::MediaStatus m_mediaStatus;
    int m_bufferProgress;
    QMediaContent m_currentResource;
    QIODevice *m_stream;
    QSocketNotifier *m_fifoNotifier;
    int m_fifoFd[2];
    bool m_fifoCanWrite;
    int m_bufferSize;
    int m_bufferOffset;
    char m_buffer[PIPE_BUF];
};

QT_END_NAMESPACE

QT_END_HEADER

#endif