blob: 698b899e964f2b7354e9f22fdf80c4b98dd3e25a (
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
|
/* This file is part of the KDE project.
Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
This library is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 2.1 or 3 of the License.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef PHONON_MMF_ABSTRACTMEDIAPLAYER_H
#define PHONON_MMF_ABSTRACTMEDIAPLAYER_H
#include <QTimer>
#include <QScopedPointer>
#include <e32std.h>
#include "abstractplayer.h"
class RFile;
QT_BEGIN_NAMESPACE
namespace Phonon
{
namespace MMF
{
class AudioOutput;
/**
* Interface via which MMF client APIs for both audio and video can be
* accessed.
*/
class AbstractMediaPlayer : public AbstractPlayer
{
Q_OBJECT
protected:
AbstractMediaPlayer();
explicit AbstractMediaPlayer(const AbstractPlayer& player);
public:
// MediaObjectInterface
virtual void play();
virtual void pause();
virtual void stop();
virtual void seek(qint64 milliseconds);
virtual bool isSeekable() const;
virtual MediaSource source() const;
virtual void setFileSource(const Phonon::MediaSource&, RFile&);
virtual void setNextSource(const MediaSource &source);
// VolumeObserver
virtual void volumeChanged(qreal volume);
protected:
// AbstractPlayer
virtual void doSetTickInterval(qint32 interval);
virtual void doPlay() = 0;
virtual void doPause() = 0;
virtual void doStop() = 0;
virtual void doSeek(qint64 pos) = 0;
virtual int setDeviceVolume(int mmfVolume) = 0;
virtual int openFile(RFile& file) = 0;
virtual void close() = 0;
/**
* Changes state and emits stateChanged()
*/
virtual void changeState(PrivateState newState);
protected:
bool tickTimerRunning() const;
void startTickTimer();
void stopTickTimer();
void maxVolumeChanged(int maxVolume);
static qint64 toMilliSeconds(const TTimeIntervalMicroSeconds &);
private:
void doVolumeChanged();
private Q_SLOTS:
/**
* Receives signal from m_tickTimer
*/
void tick();
private:
/**
* This flag is set to true if play is called when the object is
* in a Loading state. Once loading is complete, playback will
* be started.
*/
bool m_playPending;
QScopedPointer<QTimer> m_tickTimer;
int m_mmfMaxVolume;
MediaSource m_source;
MediaSource m_nextSource;
};
}
}
QT_END_NAMESPACE
#endif
|
