summaryrefslogtreecommitdiffstats
path: root/src/plugins/mediaservices/directshow/mediaplayer/directshowplayerservice.h
blob: a3f94e19bfc27f5242976aed58e6970227fc0ed3 (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
/****************************************************************************
**
** 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 DIRECTSHOWPLAYERSERVICE_H
#define DIRECTSHOWPLAYERSERVICE_H

#include <QtMediaServices/qmediaplayer.h>
#include <QtMediaServices/qmediaresource.h>
#include <QtMediaServices/qmediaservice.h>
#include <QtMediaServices/qmediatimerange.h>

#include "directshoweventloop.h"
#include "directshowglobal.h"

#include <QtCore/qcoreevent.h>
#include <QtCore/qmutex.h>
#include <QtCore/qurl.h>
#include <QtCore/qwaitcondition.h>

#include <QtCore/private/qwineventnotifier_p.h>

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

class DirectShowAudioEndpointControl;
class DirectShowMetaDataControl;
class DirectShowPlayerControl;
class DirectShowVideoOutputControl;
class DirectShowVideoRendererControl;
class Vmr9VideoWindowControl;

class DirectShowPlayerService : public QMediaService
{
    Q_OBJECT
public:
    enum StreamType
    {
        AudioStream = 0x01,
        VideoStream = 0x02
    };

    DirectShowPlayerService(QObject *parent = 0);
    ~DirectShowPlayerService();

    QMediaControl* control(const char *name) const;

    void load(const QMediaContent &media, QIODevice *stream);
    void play();
    void pause();
    void stop();

    qint64 position() const;
    QMediaTimeRange availablePlaybackRanges() const;

    void seek(qint64 position);
    void setRate(qreal rate);

    int bufferStatus() const;

    void setAudioOutput(IBaseFilter *filter);
    void setVideoOutput(IBaseFilter *filter);

protected:
    void customEvent(QEvent *event);

private Q_SLOTS:
    void videoOutputChanged();

private:
    void releaseGraph();
    void updateStatus();

    int findStreamTypes(IBaseFilter *source) const;
    int findStreamType(IPin *pin) const;

    bool isConnected(IBaseFilter *filter, PIN_DIRECTION direction) const;
    IBaseFilter *getConnected(IBaseFilter *filter, PIN_DIRECTION direction) const;

    void run();

    void doSetUrlSource(QMutexLocker *locker);
    void doSetStreamSource(QMutexLocker *locker);
    void doRender(QMutexLocker *locker);
    void doFinalizeLoad(QMutexLocker *locker);
    void doSetRate(QMutexLocker *locker);
    void doSeek(QMutexLocker *locker);
    void doPlay(QMutexLocker *locker);
    void doPause(QMutexLocker *locker);
    void doStop(QMutexLocker *locker);
    void doReleaseAudioOutput(QMutexLocker *locker);
    void doReleaseVideoOutput(QMutexLocker *locker);
    void doReleaseGraph(QMutexLocker *locker);

    void graphEvent(QMutexLocker *locker);

    enum Task
    {
        Shutdown           = 0x0001,
        SetUrlSource       = 0x0002,
        SetStreamSource    = 0x0004,
        SetSource          = SetUrlSource | SetStreamSource,
        SetAudioOutput     = 0x0008,
        SetVideoOutput     = 0x0010,
        SetOutputs         = SetAudioOutput | SetVideoOutput,
        Render             = 0x0020,
        FinalizeLoad       = 0x0040,
        SetRate            = 0x0080,
        Seek               = 0x0100,
        Play               = 0x0200,
        Pause              = 0x0400,
        Stop               = 0x0800,
        ReleaseGraph       = 0x1000,
        ReleaseAudioOutput = 0x2000,
        ReleaseVideoOutput = 0x4000,
        ReleaseFilters     = ReleaseGraph | ReleaseAudioOutput | ReleaseVideoOutput
    };

    enum Event
    {
        FinalizedLoad = QEvent::User,
        Error,
        RateChange,
        Started,
        Paused,
        DurationChange,
        StatusChange,
        EndOfMedia,
        PositionChange,
        VideoOutputChange
    };

    enum GraphStatus
    {
        NoMedia,
        Loading,
        Loaded,
        InvalidMedia
    };

    DirectShowPlayerControl *m_playerControl;
    DirectShowMetaDataControl *m_metaDataControl;
    DirectShowVideoOutputControl *m_videoOutputControl;
    DirectShowVideoRendererControl *m_videoRendererControl;
    Vmr9VideoWindowControl *m_videoWindowControl;
    DirectShowAudioEndpointControl *m_audioEndpointControl;

    QThread *m_taskThread;
    DirectShowEventLoop *m_loop;
    int m_pendingTasks;
    int m_executingTask;
    int m_executedTasks;
    HANDLE m_taskHandle;
    HANDLE m_eventHandle;
    GraphStatus m_graphStatus;
    QMediaPlayer::Error m_error;
    QIODevice *m_stream;
    IFilterGraph2 *m_graph;
    IBaseFilter *m_source;
    IBaseFilter *m_audioOutput;
    IBaseFilter *m_videoOutput;
    int m_streamTypes;
    qreal m_rate;
    qint64 m_position;
    qint64 m_duration;
    bool m_buffering;
    bool m_seekable;
    bool m_atEnd;
    QMediaTimeRange m_playbackRange;
    QUrl m_url;
    QMediaResourceList m_resources;
    QString m_errorString;
    QMutex m_mutex;

    friend class DirectShowPlayerServiceThread;
};

QT_END_NAMESPACE

QT_END_HEADER

#endif