2 * Copyright (C) 2011 Ericsson AB. All rights reserved.
3 * Copyright (C) 2012 Google Inc. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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
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13 * in the documentation and/or other materials provided with the
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16 * may be used to endorse or promote products derived from this
17 * software without specific prior written permission.
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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32 #ifndef MediaStreamDescriptor_h
33 #define MediaStreamDescriptor_h
35 #include "platform/mediastream/MediaStreamComponent.h"
36 #include "platform/mediastream/MediaStreamSource.h"
37 #include "wtf/PassOwnPtr.h"
38 #include "wtf/RefCounted.h"
39 #include "wtf/Vector.h"
43 class MediaStreamDescriptorClient {
45 virtual ~MediaStreamDescriptorClient() { }
47 virtual void streamEnded() = 0;
48 virtual void addRemoteTrack(MediaStreamComponent*) = 0;
49 virtual void removeRemoteTrack(MediaStreamComponent*) = 0;
52 class PLATFORM_EXPORT MediaStreamDescriptor FINAL : public RefCounted<MediaStreamDescriptor> {
56 virtual ~ExtraData() { }
59 // Only used for AudioDestinationNode.
60 static PassRefPtr<MediaStreamDescriptor> create(const MediaStreamSourceVector& audioSources, const MediaStreamSourceVector& videoSources);
62 static PassRefPtr<MediaStreamDescriptor> create(const MediaStreamComponentVector& audioComponents, const MediaStreamComponentVector& videoComponents);
64 static PassRefPtr<MediaStreamDescriptor> create(const String& id, const MediaStreamComponentVector& audioComponents, const MediaStreamComponentVector& videoComponents);
66 MediaStreamDescriptorClient* client() const { return m_client; }
67 void setClient(MediaStreamDescriptorClient* client) { m_client = client; }
69 String id() const { return m_id; }
71 unsigned numberOfAudioComponents() const { return m_audioComponents.size(); }
72 MediaStreamComponent* audioComponent(unsigned index) const { return m_audioComponents[index].get(); }
74 unsigned numberOfVideoComponents() const { return m_videoComponents.size(); }
75 MediaStreamComponent* videoComponent(unsigned index) const { return m_videoComponents[index].get(); }
77 void addComponent(PassRefPtr<MediaStreamComponent>);
78 void removeComponent(PassRefPtr<MediaStreamComponent>);
80 void addRemoteTrack(MediaStreamComponent*);
81 void removeRemoteTrack(MediaStreamComponent*);
83 bool ended() const { return m_ended; }
84 void setEnded() { m_ended = true; }
86 ExtraData* extraData() const { return m_extraData.get(); }
87 void setExtraData(PassOwnPtr<ExtraData> extraData) { m_extraData = extraData; }
90 MediaStreamDescriptor(const String& id, const MediaStreamSourceVector& audioSources, const MediaStreamSourceVector& videoSources);
91 MediaStreamDescriptor(const String& id, const MediaStreamComponentVector& audioComponents, const MediaStreamComponentVector& videoComponents);
93 MediaStreamDescriptorClient* m_client;
95 Vector<RefPtr<MediaStreamComponent> > m_audioComponents;
96 Vector<RefPtr<MediaStreamComponent> > m_videoComponents;
99 OwnPtr<ExtraData> m_extraData;
102 typedef Vector<RefPtr<MediaStreamDescriptor> > MediaStreamDescriptorVector;
106 #endif // MediaStreamDescriptor_h