Interface RTCRtpReceiver and RTCPeerConnection.getReceivers() added.

third_party/WebKit/Source/platform/exported/WebMediaStream.cpp

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
  *     notice, this list of conditions and the following disclaimer in the
  *     documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND
  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR
  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "public/platform/WebMediaStream.h"
 
+#include <memory>
 #include "platform/UUID.h"
 #include "platform/mediastream/MediaStreamComponent.h"
 #include "platform/mediastream/MediaStreamDescriptor.h"
 #include "platform/mediastream/MediaStreamSource.h"
+#include "platform/wtf/PtrUtil.h"
+#include "platform/wtf/Vector.h"
+#include "platform/wtf/text/WTFString.h"
 #include "public/platform/WebMediaStreamSource.h"
 #include "public/platform/WebMediaStreamTrack.h"
 #include "public/platform/WebString.h"
-#include "wtf/PtrUtil.h"
-#include "wtf/Vector.h"
-#include <memory>
 
 namespace blink {
 
 namespace {
 
 class ExtraDataContainer : public MediaStreamDescriptor::ExtraData {
  public:
   ExtraDataContainer(std::unique_ptr<WebMediaStream::ExtraData> extraData)
       : m_extraData(std::move(extraData)) {}
 
@@ skipping 39 matching lines @@
 
 void WebMediaStream::videoTracks(
     WebVector<WebMediaStreamTrack>& webTracks) const {
   size_t numberOfTracks = m_private->numberOfVideoComponents();
   WebVector<WebMediaStreamTrack> result(numberOfTracks);
   for (size_t i = 0; i < numberOfTracks; ++i)
     result[i] = m_private->videoComponent(i);
   webTracks.swap(result);
 }
 
+WebMediaStreamTrack WebMediaStream::getAudioTrack(
+    const WebString& trackId) const {
+  size_t numberOfTracks = m_private->numberOfAudioComponents();
+  String id = trackId;
+  for (size_t i = 0; i < numberOfTracks; ++i) {
+    MediaStreamComponent* audioComponent = m_private->audioComponent(i);
+    DCHECK(audioComponent);
+    if (audioComponent->id() == id)
+      return m_private->audioComponent(i);
+  }
+  return nullptr;
+}
+
+WebMediaStreamTrack WebMediaStream::getVideoTrack(
+    const WebString& trackId) const {
+  size_t numberOfTracks = m_private->numberOfVideoComponents();
+  String id = trackId;
+  for (size_t i = 0; i < numberOfTracks; ++i) {
+    MediaStreamComponent* videoComponent = m_private->videoComponent(i);
+    DCHECK(videoComponent);
+    if (videoComponent->id() == id)
+      return m_private->videoComponent(i);
+  }
+  return nullptr;
+}
+
 void WebMediaStream::addTrack(const WebMediaStreamTrack& track) {
   ASSERT(!isNull());
   m_private->addRemoteTrack(track);
 }
 
 void WebMediaStream::removeTrack(const WebMediaStreamTrack& track) {
   ASSERT(!isNull());
   m_private->removeRemoteTrack(track);
 }
 
@@ skipping 27 matching lines @@
     video.push_back(component);
   }
   m_private = MediaStreamDescriptor::create(label, audio, video);
 }
 
 void WebMediaStream::assign(const WebMediaStream& other) {
   m_private = other.m_private;
 }
 
 }  // namespace blink