src/content/renderer/media/remote_media_stream_impl.h

   1 // Copyright (c) 2012 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 #ifndef CONTENT_RENDERER_MEDIA_REMOTE_MEDIA_STREAM_IMPL_H_
   6 #define CONTENT_RENDERER_MEDIA_REMOTE_MEDIA_STREAM_IMPL_H_
   7
   8 #include "base/basictypes.h"
   9 #include "base/compiler_specific.h"
  10 #include "base/memory/ref_counted.h"
  11 #include "base/memory/scoped_vector.h"
  12 #include "base/threading/non_thread_safe.h"
  13 #include "content/common/content_export.h"
  14 #include "third_party/libjingle/source/talk/app/webrtc/mediastreaminterface.h"
  15 #include "third_party/WebKit/public/platform/WebMediaStream.h"
  16 #include "third_party/WebKit/public/platform/WebMediaStreamSource.h"
  17 #include "third_party/WebKit/public/platform/WebMediaStreamTrack.h"
  18
  19 namespace content {
  20
  21 class RemoteMediaStreamTrackObserver;
  22
  23 // RemoteMediaStreamImpl serves as a container and glue between remote webrtc
  24 // MediaStreams and WebKit MediaStreams. For each remote MediaStream received
  25 // on a PeerConnection a RemoteMediaStreamImpl instance is created and
  26 // owned by RtcPeerConnection.
  27 class CONTENT_EXPORT RemoteMediaStreamImpl
  28     : NON_EXPORTED_BASE(public webrtc::ObserverInterface),
  29       NON_EXPORTED_BASE(public base::NonThreadSafe) {
  30  public:
  31   explicit RemoteMediaStreamImpl(
  32       webrtc::MediaStreamInterface* webrtc_stream);
  33   virtual ~RemoteMediaStreamImpl();
  34
  35   const blink::WebMediaStream& webkit_stream() { return webkit_stream_; }
  36
  37  private:
  38   // webrtc::ObserverInterface implementation.
  39   virtual void OnChanged() OVERRIDE;
  40
  41   scoped_refptr<webrtc::MediaStreamInterface> webrtc_stream_;
  42   ScopedVector<RemoteMediaStreamTrackObserver> audio_track_observers_;
  43   ScopedVector<RemoteMediaStreamTrackObserver> video_track_observers_;
  44   blink::WebMediaStream webkit_stream_;
  45
  46   DISALLOW_COPY_AND_ASSIGN(RemoteMediaStreamImpl);
  47 };
  48
  49 }  // namespace content
  50
  51 #endif  // CONTENT_RENDERER_MEDIA_REMOTE_MEDIA_STREAM_IMPL_H_