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 40namespace blink { 41 42namespace { 43 44class ExtraDataContainer : public MediaStreamDescriptor::ExtraData { 45public: 46 ExtraDataContainer(PassOwnPtr<WebMediaStream::ExtraData> extraData) : m_extraData(extraData) { } 47 48 WebMediaStream::ExtraData* extraData() { return m_extraData.get(); } 49 50private: 51 OwnPtr<WebMediaStream::ExtraData> m_extraData; 52}; 53 54} // namespace 55 56WebMediaStream::WebMediaStream(const PassRefPtr<MediaStreamDescriptor>& mediaStreamDescriptor) 57 : m_private(mediaStreamDescriptor) 58{ 59} 60 61WebMediaStream::WebMediaStream(MediaStreamDescriptor* mediaStreamDescriptor) 62 : m_private(mediaStreamDescriptor) 63{ 64} 65 66void WebMediaStream::reset() 67{ 68 m_private.reset(); 69} 70 71WebString WebMediaStream::id() const 72{ 73 return m_private->id(); 74} 75 76WebMediaStream::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 84void WebMediaStream::setExtraData(ExtraData* extraData) 85{ 86 m_private->setExtraData(adoptPtr(new ExtraDataContainer(adoptPtr(extraData)))); 87} 88 89void 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 98void 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 107void WebMediaStream::addTrack(const WebMediaStreamTrack& track) 108{ 109 ASSERT(!isNull()); 110 m_private->addRemoteTrack(track); 111} 112 113void WebMediaStream::removeTrack(const WebMediaStreamTrack& track) 114{ 115 ASSERT(!isNull()); 116 m_private->removeRemoteTrack(track); 117} 118 119WebMediaStream& WebMediaStream::operator=(const PassRefPtr<MediaStreamDescriptor>& mediaStreamDescriptor) 120{ 121 m_private = mediaStreamDescriptor; 122 return *this; 123} 124 125WebMediaStream::operator PassRefPtr<MediaStreamDescriptor>() const 126{ 127 return m_private.get(); 128} 129 130WebMediaStream::operator MediaStreamDescriptor*() const 131{ 132 return m_private.get(); 133} 134 135void WebMediaStream::initialize(const WebVector<WebMediaStreamTrack>& audioTracks, const WebVector<WebMediaStreamTrack>& videoTracks) 136{ 137 initialize(createCanonicalUUIDString(), audioTracks, videoTracks); 138} 139 140void 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 154void WebMediaStream::assign(const WebMediaStream& other) 155{ 156 m_private = other.m_private; 157} 158 159} // namespace blink 160