content/public/renderer/media_stream_video_sink.cc

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "content/public/renderer/media_stream_video_sink.h"
   6
   7 #include "base/logging.h"
   8 #include "content/renderer/media/media_stream_video_track.h"
   9 #include "third_party/WebKit/public/platform/WebMediaStreamTrack.h"
  10
  11 namespace content {
  12
  13 void MediaStreamVideoSink::AddToVideoTrack(
  14     MediaStreamVideoSink* sink,
  15     const VideoCaptureDeliverFrameCB& callback,
  16     const blink::WebMediaStreamTrack& track) {
  17   DCHECK_EQ(blink::WebMediaStreamSource::TypeVideo, track.source().type());
  18   MediaStreamVideoTrack* const video_track =
  19       static_cast<MediaStreamVideoTrack*>(track.extraData());
  20   video_track->AddSink(sink, callback);
  21 }
  22
  23 void MediaStreamVideoSink::RemoveFromVideoTrack(
  24     MediaStreamVideoSink* sink,
  25     const blink::WebMediaStreamTrack& track) {
  26   DCHECK_EQ(blink::WebMediaStreamSource::TypeVideo, track.source().type());
  27   MediaStreamVideoTrack* const video_track =
  28       static_cast<MediaStreamVideoTrack*>(track.extraData());
  29   video_track->RemoveSink(sink);
  30 }
  31
  32 }  // namespace content