source: trunk/src/3rdparty/phonon/qt7/mediaobject.h

Last change on this file was 846, checked in by Dmitry A. Kuminov, 15 years ago

trunk: Merged in qt 4.7.2 sources from branches/vendor/nokia/qt.
File size: 5.6 KB
Line 
1/* This file is part of the KDE project.
2
3 Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
4
5 This library is free software: you can redistribute it and/or modify
6 it under the terms of the GNU Lesser General Public License as published by
7 the Free Software Foundation, either version 2.1 or 3 of the License.
8
9 This library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU Lesser General Public License for more details.
13
14 You should have received a copy of the GNU Lesser General Public License
15 along with this library. If not, see <http://www.gnu.org/licenses/>.
16*/
17
18#ifndef Phonon_QT7_MEDIAOBJECT_H
19#define Phonon_QT7_MEDIAOBJECT_H
20
21#include <QtCore/QStringList>
22#include <QtCore/QTime>
23#include <phonon/mediaobjectinterface.h>
24#include <phonon/addoninterface.h>
25
26#include "medianode.h"
27
28QT_BEGIN_NAMESPACE
29
30namespace Phonon
31{
32namespace QT7
33{
34 class QuickTimeVideoPlayer;
35 class QuickTimeAudioPlayer;
36 class QuickTimeMetaData;
37 class AudioGraph;
38 class MediaObjectAudioNode;
39
40 class MediaObject : public MediaNode,
41 public Phonon::MediaObjectInterface, public Phonon::AddonInterface
42 {
43 Q_OBJECT
44 Q_INTERFACES(Phonon::MediaObjectInterface Phonon::AddonInterface)
45
46 public:
47 MediaObject(QObject *parent);
48 ~MediaObject();
49
50 QStringList availableAudioStreams() const;
51 QStringList availableVideoStreams() const;
52 QStringList availableSubtitleStreams() const;
53 QString currentAudioStream(const QObject *audioPath) const;
54 QString currentVideoStream(const QObject *videoPath) const;
55 QString currentSubtitleStream(const QObject *videoPath) const;
56
57 void setCurrentAudioStream(const QString &streamName,const QObject *audioPath);
58 void setCurrentVideoStream(const QString &streamName,const QObject *videoPath);
59 void setCurrentSubtitleStream(const QString &streamName,const QObject *videoPath);
60
61 void play();
62 void pause();
63 void stop();
64 void seek(qint64 milliseconds);
65
66 qint32 tickInterval() const;
67 void setTickInterval(qint32 interval);
68 bool hasVideo() const;
69 bool isSeekable() const;
70 qint64 currentTime() const;
71 Phonon::State state() const;
72
73 QString errorString() const;
74 Phonon::ErrorType errorType() const;
75
76 qint64 totalTime() const;
77 MediaSource source() const;
78 void setSource(const MediaSource &);
79 void setNextSource(const MediaSource &source);
80 qint32 prefinishMark() const;
81 void setPrefinishMark(qint32);
82 qint32 transitionTime() const;
83 void setTransitionTime(qint32);
84 bool hasInterface(Interface interface) const;
85 QVariant interfaceCall(Interface interface, int command, const QList<QVariant> &arguments = QList<QVariant>());
86
87 QuickTimeVideoPlayer* videoPlayer() const;
88 QuickTimeAudioPlayer* audioPlayer() const;
89
90 void setVolumeOnMovie(float volume);
91 bool setAudioDeviceOnMovie(int id);
92
93 int videoOutputCount();
94
95 signals:
96 void stateChanged(Phonon::State,Phonon::State);
97 void tick(qint64);
98 void seekableChanged(bool);
99 void hasVideoChanged(bool);
100 void bufferStatus(int);
101 void finished();
102 void aboutToFinish();
103 void prefinishMarkReached(qint32);
104 void totalTimeChanged(qint64);
105 void metaDataChanged(QMultiMap<QString,QString>);
106 void currentSourceChanged(const MediaSource &newSource);
107
108 protected:
109 void mediaNodeEvent(const MediaNodeEvent *event);
110 bool event(QEvent *event);
111
112 private:
113 enum AudioSystem {AS_Unset, AS_Video, AS_Graph, AS_Silent} m_audioSystem;
114 Phonon::State m_state;
115
116 QuickTimeVideoPlayer *m_videoPlayer;
117 QuickTimeAudioPlayer *m_audioPlayer;
118 QuickTimeVideoPlayer *m_nextVideoPlayer;
119 QuickTimeAudioPlayer *m_nextAudioPlayer;
120 MediaObjectAudioNode *m_mediaObjectAudioNode;
121 QuickTimeMetaData *m_metaData;
122
123 qint32 m_tickInterval;
124 qint32 m_transitionTime;
125 quint32 m_prefinishMark;
126 quint32 m_currentTime;
127 float m_percentageLoaded;
128
129 int m_tickTimer;
130 int m_bufferTimer;
131 int m_rapidTimer;
132
133 bool m_waitNextSwap;
134 int m_swapTimeLeft;
135 QTime m_swapTime;
136
137 void synchAudioVideo();
138 void updateCurrentTime();
139 void swapCurrentWithNext(qint32 transitionTime);
140 bool setState(Phonon::State state);
141 void pause_internal();
142 void play_internal();
143 void setupAudioSystem();
144 void updateTimer(int &timer, int interval);
145 void bufferAudioVideo();
146 void updateRapidly();
147 void updateCrossFade();
148 void updateAudioBuffers();
149 void updateLipSynch(int allowedOffset);
150 void updateVideoFrames();
151 void updateBufferStatus();
152 void setMute(bool mute);
153 void inspectAudioGraphRecursive(AudioConnection *connection, int &effectCount, int &outputCount);
154 void inspectVideoGraphRecursive(MediaNode *node, int &effectCount, int &outputCount);
155 void inspectGraph();
156 bool isCrossFading();
157
158 QString m_errorString;
159 Phonon::ErrorType m_errorType;
160 bool checkForError();
161
162 int m_audioEffectCount;
163 int m_audioOutputCount;
164 int m_videoEffectCount;
165 int m_videoOutputCount;
166 };
167
168}} //namespace Phonon::QT7
169
170QT_END_NAMESPACE
171#endif // Phonon_QT7_MEDIAOBJECT_H
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