Add VideoTrackSink interface to content/public

content/renderer/media/media_stream_impl.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/renderer/media/media_stream_impl.h"
 
 #include <utility>
 
 #include "base/logging.h"
 #include "base/strings/string_util.h"
@@ skipping 230 matching lines @@
     const VideoFrameProvider::RepaintCB& repaint_cb) {
   DCHECK(CalledOnValidThread());
   blink::WebMediaStream web_stream(GetMediaStream(url));
 
   if (web_stream.isNull() || !web_stream.extraData())
     return NULL;  // This is not a valid stream.
 
   DVLOG(1) << "MediaStreamImpl::GetVideoFrameProvider stream:"
            << UTF16ToUTF8(web_stream.id());
 
-  webrtc::MediaStreamInterface* stream = GetNativeMediaStream(web_stream);
-  if (stream)
-    return CreateVideoFrameProvider(stream, error_cb, repaint_cb);
-  NOTREACHED();
-  return NULL;
+  blink::WebVector<blink::WebMediaStreamTrack> video_tracks;
+  web_stream.videoTracks(video_tracks);
+  if (video_tracks.isEmpty())
+    return NULL;
+
+  return new RTCVideoRenderer(video_tracks[0], error_cb, repaint_cb);
 }
 
 scoped_refptr<MediaStreamAudioRenderer>
 MediaStreamImpl::GetAudioRenderer(const GURL& url) {
   DCHECK(CalledOnValidThread());
   blink::WebMediaStream web_stream(GetMediaStream(url));
 
   if (web_stream.isNull() || !web_stream.extraData())
     return NULL;  // This is not a valid stream.
 
@@ skipping 493 matching lines @@
   while (source_it != local_sources_.end()) {
     if (!FindSourceInRequests(source_it->source)) {
       StopLocalSource(source_it->source, notify_dispatcher);
       source_it = local_sources_.erase(source_it);
     } else {
       ++source_it;
     }
   }
 }
 
-scoped_refptr<VideoFrameProvider>
-MediaStreamImpl::CreateVideoFrameProvider(
-    webrtc::MediaStreamInterface* stream,
-    const base::Closure& error_cb,
-    const VideoFrameProvider::RepaintCB& repaint_cb) {
-  if (stream->GetVideoTracks().empty())
-    return NULL;
-
-  DVLOG(1) << "MediaStreamImpl::CreateRemoteVideoFrameProvider label:"
-           << stream->label();
-
-  return new RTCVideoRenderer(
-      stream->GetVideoTracks()[0],
-      error_cb,
-      repaint_cb);
-}
-
 scoped_refptr<WebRtcAudioRenderer> MediaStreamImpl::CreateRemoteAudioRenderer(
     webrtc::MediaStreamInterface* stream) {
   if (stream->GetAudioTracks().empty())
     return NULL;
 
   DVLOG(1) << "MediaStreamImpl::CreateRemoteAudioRenderer label:"
            << stream->label();
 
   // TODO(tommi): Change the default value of session_id to be
   // StreamDeviceInfo::kNoId.  Also update AudioOutputDevice etc.
@@ skipping 95 matching lines @@
       enable_automatic_output_device_selection(
           enable_automatic_output_device_selection),
       frame(frame),
       request(request) {
 }
 
 MediaStreamImpl::UserMediaRequestInfo::~UserMediaRequestInfo() {
 }
 
 }  // namespace content