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| 1 /* | |
| 2 * Copyright (C) 2011 Ericsson AB. All rights reserved. | |
| 3 * Copyright (C) 2012 Google Inc. All rights reserved. | |
| 4 * | |
| 5 * Redistribution and use in source and binary forms, with or without | |
| 6 * modification, are permitted provided that the following conditions | |
| 7 * are met: | |
| 8 * | |
| 9 * 1. Redistributions of source code must retain the above copyright | |
| 10 * notice, this list of conditions and the following disclaimer. | |
| 11 * 2. Redistributions in binary form must reproduce the above copyright | |
| 12 * notice, this list of conditions and the following disclaimer | |
| 13 * in the documentation and/or other materials provided with the | |
| 14 * distribution. | |
| 15 * 3. Neither the name of Ericsson nor the names of its contributors | |
| 16 * may be used to endorse or promote products derived from this | |
| 17 * software without specific prior written permission. | |
| 18 * | |
| 19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| 20 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| 21 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
| 22 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
| 23 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| 24 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
| 25 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
| 26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
| 27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 29 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 30 */ | |
| 31 | |
| 32 #ifndef MediaStreamSource_h | |
| 33 #define MediaStreamSource_h | |
| 34 | |
| 35 #include "platform/audio/AudioDestinationConsumer.h" | |
| 36 #include "platform/mediastream/MediaConstraints.h" | |
| 37 #include "wtf/OwnPtr.h" | |
| 38 #include "wtf/PassOwnPtr.h" | |
| 39 #include "wtf/RefCounted.h" | |
| 40 #include "wtf/ThreadingPrimitives.h" | |
| 41 #include "wtf/Vector.h" | |
| 42 #include "wtf/text/WTFString.h" | |
| 43 | |
| 44 namespace WebCore { | |
| 45 | |
| 46 class MediaStreamSource : public RefCounted<MediaStreamSource> { | |
| 47 public: | |
| 48 class Observer { | |
| 49 public: | |
| 50 virtual ~Observer() { } | |
| 51 virtual void sourceChangedState() = 0; | |
| 52 }; | |
| 53 | |
| 54 class ExtraData { | |
| 55 public: | |
| 56 virtual ~ExtraData() { } | |
| 57 }; | |
| 58 | |
| 59 enum Type { | |
| 60 TypeAudio, | |
| 61 TypeVideo | |
| 62 }; | |
| 63 | |
| 64 enum ReadyState { | |
| 65 ReadyStateLive = 0, | |
| 66 ReadyStateMuted = 1, | |
| 67 ReadyStateEnded = 2 | |
| 68 }; | |
| 69 | |
| 70 static PassRefPtr<MediaStreamSource> create(const String& id, Type, const St
ring& name, ReadyState = ReadyStateLive, bool requiresConsumer = false); | |
| 71 | |
| 72 const String& id() const { return m_id; } | |
| 73 Type type() const { return m_type; } | |
| 74 const String& name() const { return m_name; } | |
| 75 | |
| 76 void setReadyState(ReadyState); | |
| 77 ReadyState readyState() const { return m_readyState; } | |
| 78 | |
| 79 void addObserver(Observer*); | |
| 80 void removeObserver(Observer*); | |
| 81 | |
| 82 ExtraData* extraData() const { return m_extraData.get(); } | |
| 83 void setExtraData(ExtraData* extraData) { m_extraData = adoptPtr(extraData);
} | |
| 84 | |
| 85 void setConstraints(PassRefPtr<MediaConstraints> constraints) { m_constraint
s = constraints; } | |
| 86 MediaConstraints* constraints() { return m_constraints.get(); } | |
| 87 | |
| 88 const String& deviceId() { return m_deviceId; } | |
| 89 void setDeviceId(const String& deviceId) { m_deviceId = deviceId; } | |
| 90 | |
| 91 void setAudioFormat(size_t numberOfChannels, float sampleRate); | |
| 92 void consumeAudio(AudioBus*, size_t numberOfFrames); | |
| 93 | |
| 94 bool requiresAudioConsumer() const { return m_requiresConsumer; } | |
| 95 void addAudioConsumer(PassRefPtr<AudioDestinationConsumer>); | |
| 96 bool removeAudioConsumer(AudioDestinationConsumer*); | |
| 97 const Vector<RefPtr<AudioDestinationConsumer> >& audioConsumers() { return m
_audioConsumers; } | |
| 98 | |
| 99 private: | |
| 100 MediaStreamSource(const String& id, Type, const String& name, ReadyState, bo
ol requiresConsumer); | |
| 101 | |
| 102 String m_id; | |
| 103 Type m_type; | |
| 104 String m_name; | |
| 105 ReadyState m_readyState; | |
| 106 String m_deviceId; | |
| 107 bool m_requiresConsumer; | |
| 108 Vector<Observer*> m_observers; | |
| 109 Mutex m_audioConsumersLock; | |
| 110 Vector<RefPtr<AudioDestinationConsumer> > m_audioConsumers; | |
| 111 OwnPtr<ExtraData> m_extraData; | |
| 112 RefPtr<MediaConstraints> m_constraints; | |
| 113 }; | |
| 114 | |
| 115 typedef Vector<RefPtr<MediaStreamSource> > MediaStreamSourceVector; | |
| 116 | |
| 117 } // namespace WebCore | |
| 118 | |
| 119 #endif // MediaStreamSource_h | |
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Chromium Code Reviews
Issue 64593002:
Move MediaStreamSource to platform/ (Closed)
Base URL: svn://svn.chromium.org/blink/trunk