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 MediaStreamDescriptor_h 33 #define MediaStreamDescriptor_h 34 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" 40 41 namespace WebCore { 42 43 class MediaStreamDescriptorClient { 44 public: ~MediaStreamDescriptorClient()45 virtual ~MediaStreamDescriptorClient() { } 46 47 virtual void streamEnded() = 0; 48 virtual void addRemoteTrack(MediaStreamComponent*) = 0; 49 virtual void removeRemoteTrack(MediaStreamComponent*) = 0; 50 }; 51 52 class PLATFORM_EXPORT MediaStreamDescriptor FINAL : public RefCounted<MediaStreamDescriptor> { 53 public: 54 class ExtraData { 55 public: ~ExtraData()56 virtual ~ExtraData() { } 57 }; 58 59 // Only used for AudioDestinationNode. 60 static PassRefPtr<MediaStreamDescriptor> create(const MediaStreamSourceVector& audioSources, const MediaStreamSourceVector& videoSources); 61 62 static PassRefPtr<MediaStreamDescriptor> create(const MediaStreamComponentVector& audioComponents, const MediaStreamComponentVector& videoComponents); 63 64 static PassRefPtr<MediaStreamDescriptor> create(const String& id, const MediaStreamComponentVector& audioComponents, const MediaStreamComponentVector& videoComponents); 65 client()66 MediaStreamDescriptorClient* client() const { return m_client; } setClient(MediaStreamDescriptorClient * client)67 void setClient(MediaStreamDescriptorClient* client) { m_client = client; } 68 id()69 String id() const { return m_id; } 70 numberOfAudioComponents()71 unsigned numberOfAudioComponents() const { return m_audioComponents.size(); } audioComponent(unsigned index)72 MediaStreamComponent* audioComponent(unsigned index) const { return m_audioComponents[index].get(); } 73 numberOfVideoComponents()74 unsigned numberOfVideoComponents() const { return m_videoComponents.size(); } videoComponent(unsigned index)75 MediaStreamComponent* videoComponent(unsigned index) const { return m_videoComponents[index].get(); } 76 77 void addComponent(PassRefPtr<MediaStreamComponent>); 78 void removeComponent(PassRefPtr<MediaStreamComponent>); 79 80 void addRemoteTrack(MediaStreamComponent*); 81 void removeRemoteTrack(MediaStreamComponent*); 82 ended()83 bool ended() const { return m_ended; } setEnded()84 void setEnded() { m_ended = true; } 85 extraData()86 ExtraData* extraData() const { return m_extraData.get(); } setExtraData(PassOwnPtr<ExtraData> extraData)87 void setExtraData(PassOwnPtr<ExtraData> extraData) { m_extraData = extraData; } 88 89 private: 90 MediaStreamDescriptor(const String& id, const MediaStreamSourceVector& audioSources, const MediaStreamSourceVector& videoSources); 91 MediaStreamDescriptor(const String& id, const MediaStreamComponentVector& audioComponents, const MediaStreamComponentVector& videoComponents); 92 93 MediaStreamDescriptorClient* m_client; 94 String m_id; 95 Vector<RefPtr<MediaStreamComponent> > m_audioComponents; 96 Vector<RefPtr<MediaStreamComponent> > m_videoComponents; 97 bool m_ended; 98 99 OwnPtr<ExtraData> m_extraData; 100 }; 101 102 typedef Vector<RefPtr<MediaStreamDescriptor> > MediaStreamDescriptorVector; 103 104 } // namespace WebCore 105 106 #endif // MediaStreamDescriptor_h 107