1/* 2 * Copyright (C) 2011 Ericsson AB. All rights reserved. 3 * Copyright (C) 2013 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 are 7 * met: 8 * 9 * * Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * * Redistributions in binary form must reproduce the above 12 * copyright notice, this list of conditions and the following disclaimer 13 * in the documentation and/or other materials provided with the 14 * distribution. 15 * * Neither the name of Google Inc. nor the names of its 16 * contributors may be used to endorse or promote products derived from 17 * this 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#include "config.h" 33 34#include "core/platform/mediastream/MediaStreamDescriptor.h" 35 36#include "platform/UUID.h" 37 38namespace WebCore { 39 40PassRefPtr<MediaStreamDescriptor> MediaStreamDescriptor::create(const MediaStreamSourceVector& audioSources, const MediaStreamSourceVector& videoSources) 41{ 42 return adoptRef(new MediaStreamDescriptor(createCanonicalUUIDString(), audioSources, videoSources)); 43} 44 45PassRefPtr<MediaStreamDescriptor> MediaStreamDescriptor::create(const String& id, const MediaStreamComponentVector& audioComponents, const MediaStreamComponentVector& videoComponents) 46{ 47 return adoptRef(new MediaStreamDescriptor(id, audioComponents, videoComponents)); 48} 49 50void MediaStreamDescriptor::addComponent(PassRefPtr<MediaStreamComponent> component) 51{ 52 switch (component->source()->type()) { 53 case MediaStreamSource::TypeAudio: 54 if (m_audioComponents.find(component) == kNotFound) 55 m_audioComponents.append(component); 56 break; 57 case MediaStreamSource::TypeVideo: 58 if (m_videoComponents.find(component) == kNotFound) 59 m_videoComponents.append(component); 60 break; 61 } 62} 63 64void MediaStreamDescriptor::removeComponent(PassRefPtr<MediaStreamComponent> component) 65{ 66 size_t pos = kNotFound; 67 switch (component->source()->type()) { 68 case MediaStreamSource::TypeAudio: 69 pos = m_audioComponents.find(component); 70 if (pos != kNotFound) 71 m_audioComponents.remove(pos); 72 break; 73 case MediaStreamSource::TypeVideo: 74 pos = m_videoComponents.find(component); 75 if (pos != kNotFound) 76 m_videoComponents.remove(pos); 77 break; 78 } 79} 80 81void MediaStreamDescriptor::addRemoteTrack(MediaStreamComponent* component) 82{ 83 if (m_client) 84 m_client->addRemoteTrack(component); 85 else 86 addComponent(component); 87} 88 89void MediaStreamDescriptor::removeRemoteTrack(MediaStreamComponent* component) 90{ 91 if (m_client) 92 m_client->removeRemoteTrack(component); 93 else 94 removeComponent(component); 95} 96 97MediaStreamDescriptor::MediaStreamDescriptor(const String& id, const MediaStreamSourceVector& audioSources, const MediaStreamSourceVector& videoSources) 98 : m_client(0) 99 , m_id(id) 100 , m_ended(false) 101{ 102 ASSERT(m_id.length()); 103 for (size_t i = 0; i < audioSources.size(); i++) 104 m_audioComponents.append(MediaStreamComponent::create(this, audioSources[i])); 105 106 for (size_t i = 0; i < videoSources.size(); i++) 107 m_videoComponents.append(MediaStreamComponent::create(this, videoSources[i])); 108} 109 110MediaStreamDescriptor::MediaStreamDescriptor(const String& id, const MediaStreamComponentVector& audioComponents, const MediaStreamComponentVector& videoComponents) 111 : m_client(0) 112 , m_id(id) 113 , m_ended(false) 114{ 115 ASSERT(m_id.length()); 116 for (MediaStreamComponentVector::const_iterator iter = audioComponents.begin(); iter != audioComponents.end(); ++iter) { 117 (*iter)->setStream(this); 118 m_audioComponents.append((*iter)); 119 } 120 for (MediaStreamComponentVector::const_iterator iter = videoComponents.begin(); iter != videoComponents.end(); ++iter) { 121 (*iter)->setStream(this); 122 m_videoComponents.append((*iter)); 123 } 124} 125 126MediaStreamDescriptor::~MediaStreamDescriptor() 127{ 128 for (MediaStreamComponentVector::iterator iter = m_audioComponents.begin(); iter != m_audioComponents.end(); ++iter) 129 (*iter)->setStream(0); 130 131 for (MediaStreamComponentVector::iterator iter = m_videoComponents.begin(); iter != m_videoComponents.end(); ++iter) 132 (*iter)->setStream(0); 133} 134 135} // namespace WebCore 136 137