Define the interface for MediaStreamVideoSource.

content/renderer/media/media_stream_video_source.h

Index: content/renderer/media/media_stream_video_source.h
===================================================================
--- content/renderer/media/media_stream_video_source.h	(revision 0)
+++ content/renderer/media/media_stream_video_source.h	(revision 0)
@@ -0,0 +1,42 @@
+// 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_SOURCE_H_
+#define CONTENT_RENDERER_MEDIA_MEDIA_STREAM_VIDEO_SOURCE_H_
+
+#include "base/compiler_specific.h"
+#include "base/memory/ref_counted.h"
+#include "content/common/content_export.h"
+#include "content/renderer/media/media_stream_source_extra_data.h"
+#include "third_party/WebKit/public/platform/WebMediaConstraints.h"
+#include "third_party/WebKit/public/platform/WebMediaStreamTrack.h"
+
+namespace media {
+class VideoFrame;
+}
+
+namespace content {
+
+// MediaStreamVideoSource is an interface used for sending video frames to a
+// MediaStreamVideoTrack.
+// http://dev.w3.org/2011/webrtc/editor/getusermedia.html
+// All methods calls will be done from the main render thread.
+class CONTENT_EXPORT MediaStreamVideoSource
+    : public MediaStreamSourceExtraData {
+ public:
+  void AddTrack(const blink::WebMediaStreamTrack& track,
+                const blink::WebMediaConstraints& constrains);
+
+  void RemoveTrack(const blink::WebMediaStreamTrack& track);
+
+  // Delivers |frame| to registered tracks according to their constraints.
+  virtual void PutVideoFrame(const scoped_refptr<media::VideoFrame>& frame);
+
+  virtual ~MediaStreamVideoSource();
+};
+
+

[Jói, 2013/12/19 12:06:23]

nit: Just one blank line.

[Ronghua Wu (Left Chromium), 2013/12/19 20:04:16]

Done.

+}  // namespace content
+
+#endif  // CONTENT_RENDERER_MEDIA_MEDIA_STREAM_VIDEO_SOURCE_H_
Property changes on: content/renderer/media/media_stream_video_source.h
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Added: svn:eol-style
   + LF