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// Copyright 2013 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.
#ifndef CONTENT_RENDERER_MEDIA_MEDIA_STREAM_VIDEO_TRACK_H_
#define CONTENT_RENDERER_MEDIA_MEDIA_STREAM_VIDEO_TRACK_H_
#include "base/compiler_specific.h"
#include "base/memory/scoped_vector.h"
#include "base/threading/thread_checker.h"
#include "content/common/content_export.h"
#include "content/public/renderer/media_stream_video_sink.h"
#include "content/renderer/media/media_stream_track_extra_data.h"
namespace webrtc {
class VideoTrackInterface;
}
namespace content {
class WebRtcVideoSinkAdapter;
// MediaStreamVideoTrack is a video specific representation of a
// blink::WebMediaStreamTrack in content. It is owned by the blink object
// and can be retrieved from a blink object using
// WebMediaStreamTrack::extraData()
class CONTENT_EXPORT MediaStreamVideoTrack : public MediaStreamTrackExtraData {
public:
MediaStreamVideoTrack(webrtc::VideoTrackInterface* track,
bool is_local_track);
virtual ~MediaStreamVideoTrack();
void AddSink(MediaStreamVideoSink* sink);
void RemoveSink(MediaStreamVideoSink* sink);
private:
// Used to DCHECK that we are called on the correct thread.
base::ThreadChecker thread_checker_;
// The webrtc video track.
// TODO(perkj): Make this class independent of webrtc as part of project
// Piranha Plant.
webrtc::VideoTrackInterface* video_track_;
ScopedVector<WebRtcVideoSinkAdapter> sinks_;
DISALLOW_COPY_AND_ASSIGN(MediaStreamVideoTrack);
};
} // namespace content
#endif // CONTENT_RENDERER_MEDIA_MEDIA_STREAM_VIDEO_TRACK_H_
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