1 /* 2 * Copyright (C) 2013 Google Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 15 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 16 * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY 17 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 18 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 19 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON 20 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 22 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 23 */ 24 25 #include "config.h" 26 27 #include "public/platform/WebMediaStream.h" 28 29 #include "platform/UUID.h" 30 #include "platform/mediastream/MediaStreamComponent.h" 31 #include "platform/mediastream/MediaStreamDescriptor.h" 32 #include "platform/mediastream/MediaStreamSource.h" 33 #include "public/platform/WebMediaStreamSource.h" 34 #include "public/platform/WebMediaStreamTrack.h" 35 #include "public/platform/WebString.h" 36 #include "wtf/OwnPtr.h" 37 #include "wtf/PassOwnPtr.h" 38 #include "wtf/Vector.h" 39 40 namespace blink { 41 42 namespace { 43 44 class ExtraDataContainer : public MediaStreamDescriptor::ExtraData { 45 public: 46 ExtraDataContainer(PassOwnPtr<WebMediaStream::ExtraData> extraData) : m_extraData(extraData) { } 47 48 WebMediaStream::ExtraData* extraData() { return m_extraData.get(); } 49 50 private: 51 OwnPtr<WebMediaStream::ExtraData> m_extraData; 52 }; 53 54 } // namespace 55 56 WebMediaStream::WebMediaStream(const PassRefPtr<MediaStreamDescriptor>& mediaStreamDescriptor) 57 : m_private(mediaStreamDescriptor) 58 { 59 } 60 61 WebMediaStream::WebMediaStream(MediaStreamDescriptor* mediaStreamDescriptor) 62 : m_private(mediaStreamDescriptor) 63 { 64 } 65 66 void WebMediaStream::reset() 67 { 68 m_private.reset(); 69 } 70 71 WebString WebMediaStream::id() const 72 { 73 return m_private->id(); 74 } 75 76 WebMediaStream::ExtraData* WebMediaStream::extraData() const 77 { 78 MediaStreamDescriptor::ExtraData* data = m_private->extraData(); 79 if (!data) 80 return 0; 81 return static_cast<ExtraDataContainer*>(data)->extraData(); 82 } 83 84 void WebMediaStream::setExtraData(ExtraData* extraData) 85 { 86 m_private->setExtraData(adoptPtr(new ExtraDataContainer(adoptPtr(extraData)))); 87 } 88 89 void WebMediaStream::audioTracks(WebVector<WebMediaStreamTrack>& webTracks) const 90 { 91 size_t numberOfTracks = m_private->numberOfAudioComponents(); 92 WebVector<WebMediaStreamTrack> result(numberOfTracks); 93 for (size_t i = 0; i < numberOfTracks; ++i) 94 result[i] = m_private->audioComponent(i); 95 webTracks.swap(result); 96 } 97 98 void WebMediaStream::videoTracks(WebVector<WebMediaStreamTrack>& webTracks) const 99 { 100 size_t numberOfTracks = m_private->numberOfVideoComponents(); 101 WebVector<WebMediaStreamTrack> result(numberOfTracks); 102 for (size_t i = 0; i < numberOfTracks; ++i) 103 result[i] = m_private->videoComponent(i); 104 webTracks.swap(result); 105 } 106 107 void WebMediaStream::addTrack(const WebMediaStreamTrack& track) 108 { 109 ASSERT(!isNull()); 110 m_private->addRemoteTrack(track); 111 } 112 113 void WebMediaStream::removeTrack(const WebMediaStreamTrack& track) 114 { 115 ASSERT(!isNull()); 116 m_private->removeRemoteTrack(track); 117 } 118 119 WebMediaStream& WebMediaStream::operator=(const PassRefPtr<MediaStreamDescriptor>& mediaStreamDescriptor) 120 { 121 m_private = mediaStreamDescriptor; 122 return *this; 123 } 124 125 WebMediaStream::operator PassRefPtr<MediaStreamDescriptor>() const 126 { 127 return m_private.get(); 128 } 129 130 WebMediaStream::operator MediaStreamDescriptor*() const 131 { 132 return m_private.get(); 133 } 134 135 void WebMediaStream::initialize(const WebVector<WebMediaStreamTrack>& audioTracks, const WebVector<WebMediaStreamTrack>& videoTracks) 136 { 137 initialize(createCanonicalUUIDString(), audioTracks, videoTracks); 138 } 139 140 void WebMediaStream::initialize(const WebString& label, const WebVector<WebMediaStreamTrack>& audioTracks, const WebVector<WebMediaStreamTrack>& videoTracks) 141 { 142 MediaStreamComponentVector audio, video; 143 for (size_t i = 0; i < audioTracks.size(); ++i) { 144 MediaStreamComponent* component = audioTracks[i]; 145 audio.append(component); 146 } 147 for (size_t i = 0; i < videoTracks.size(); ++i) { 148 MediaStreamComponent* component = videoTracks[i]; 149 video.append(component); 150 } 151 m_private = MediaStreamDescriptor::create(label, audio, video); 152 } 153 154 void WebMediaStream::assign(const WebMediaStream& other) 155 { 156 m_private = other.m_private; 157 } 158 159 } // namespace blink 160
