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
|
/*
* Copyright (C) 2013 Nokia Corporation and/or its subsidiary(-ies).
* Copyright (C) 2015 Ericsson AB. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef MediaStreamTrackPrivate_h
#define MediaStreamTrackPrivate_h
#if ENABLE(MEDIA_STREAM)
#include "RealtimeMediaSource.h"
#include <wtf/RefCounted.h>
#include <wtf/text/AtomicString.h>
namespace WebCore {
class AudioSourceProvider;
class GraphicsContext;
class MediaSourceSettings;
class RealtimeMediaSourceCapabilities;
class MediaStreamTrackPrivate : public RefCounted<MediaStreamTrackPrivate>, public RealtimeMediaSource::Observer {
public:
class Observer {
public:
virtual ~Observer() { }
virtual void trackEnded(MediaStreamTrackPrivate&) = 0;
virtual void trackMutedChanged(MediaStreamTrackPrivate&) = 0;
virtual void trackSettingsChanged(MediaStreamTrackPrivate&) = 0;
virtual void trackEnabledChanged(MediaStreamTrackPrivate&) = 0;
};
static RefPtr<MediaStreamTrackPrivate> create(RefPtr<RealtimeMediaSource>&&);
static RefPtr<MediaStreamTrackPrivate> create(RefPtr<RealtimeMediaSource>&&, const String& id);
virtual ~MediaStreamTrackPrivate();
const String& id() const { return m_id; }
const String& label() const;
bool ended() const { return m_isEnded; }
void startProducingData() { m_source->startProducingData(); }
void stopProducingData() { m_source->stopProducingData(); }
bool isProducingData() { return m_source->isProducingData(); }
bool muted() const;
void setMuted(bool muted) const { m_source->setMuted(muted); }
bool readonly() const;
bool remote() const;
bool enabled() const { return m_isEnabled; }
void setEnabled(bool);
RefPtr<MediaStreamTrackPrivate> clone();
RealtimeMediaSource& source() const { return *m_source.get(); }
RealtimeMediaSource::Type type() const;
void endTrack();
void addObserver(Observer&);
void removeObserver(Observer&);
const RealtimeMediaSourceSettings& settings() const;
RefPtr<RealtimeMediaSourceCapabilities> capabilities() const;
RefPtr<MediaConstraints> constraints() const;
void applyConstraints(const MediaConstraints&);
AudioSourceProvider* audioSourceProvider();
void paintCurrentFrameInContext(GraphicsContext&, const FloatRect&);
private:
explicit MediaStreamTrackPrivate(const MediaStreamTrackPrivate&);
MediaStreamTrackPrivate(RefPtr<RealtimeMediaSource>&&, const String& id);
// RealtimeMediaSourceObserver
void sourceStopped() override final;
void sourceMutedChanged() override final;
void sourceSettingsChanged() override final;
bool preventSourceFromStopping() override final;
Vector<Observer*> m_observers;
RefPtr<RealtimeMediaSource> m_source;
RefPtr<MediaConstraints> m_constraints;
String m_id;
bool m_isEnabled;
bool m_isEnded;
};
typedef Vector<RefPtr<MediaStreamTrackPrivate>> MediaStreamTrackPrivateVector;
} // namespace WebCore
#endif // ENABLE(MEDIA_STREAM)
#endif // MediaStreamTrackPrivate_h
|
