Index: content/renderer/media/video_destination_handler.h |
=================================================================== |
--- content/renderer/media/video_destination_handler.h (revision 0) |
+++ content/renderer/media/video_destination_handler.h (revision 0) |
@@ -0,0 +1,79 @@ |
+// Copyright (c) 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_VIDEO_DESTINATION_HANDLER_H_ |
+#define CONTENT_RENDERER_MEDIA_VIDEO_DESTINATION_HANDLER_H_ |
+ |
+#include <string> |
+#include <vector> |
+ |
+#include "base/compiler_specific.h" |
+#include "content/common/content_export.h" |
+#include "third_party/libjingle/source/talk/media/base/videocapturer.h" |
+#include "third_party/WebKit/Source/Platform/chromium/public/WebMediaStream.h" |
+ |
+namespace content { |
+ |
+class MediaStreamDependencyFactory; |
+class MediaStreamRegistryInterface; |
+ |
+// Interface used by the effects pepper plugin to output the processed frame |
+// to the video track. |
+class CONTENT_EXPORT FrameWriterInterface { |
+ public: |
+ // The ownership of the |frame| deosn't transfer. So the implementation of |
+ // this interface should make a copy of the |frame| before return. |
+ virtual void PutFrame(cricket::CapturedFrame* frame) = 0; |
+ |
+ protected: |
+ virtual ~FrameWriterInterface() {} |
+}; |
+ |
+// PpFrameWriter implements cricket::VideoCapturer so that it can be used in |
+// the native video track's video source. It also implements |
+// FrameWriterInterface, which will be used by the effects pepper plugin to |
+// inject the processed frame. |
+class CONTENT_EXPORT PpFrameWriter |
+ : public NON_EXPORTED_BASE(cricket::VideoCapturer), |
+ public FrameWriterInterface { |
+ public: |
+ PpFrameWriter(); |
+ virtual ~PpFrameWriter(); |
+ |
+ // cricket::VideoCapturer implementation. |
+ // These methods are accessed from a libJingle worker thread. |
+ virtual cricket::CaptureState Start( |
+ const cricket::VideoFormat& capture_format) OVERRIDE; |
+ virtual void Stop() OVERRIDE; |
+ virtual bool IsRunning() OVERRIDE; |
+ virtual bool GetPreferredFourccs(std::vector<uint32>* fourccs) OVERRIDE; |
+ virtual bool GetBestCaptureFormat(const cricket::VideoFormat& desired, |
+ cricket::VideoFormat* best_format) OVERRIDE; |
+ virtual bool IsScreencast() const OVERRIDE; |
+ |
+ // FrameWriterInterface implementation. |
+ virtual void PutFrame(cricket::CapturedFrame* frame) OVERRIDE; |
+ |
+ private: |
+ bool started_; |
+}; |
+ |
+// VideoDestinationHandler is a glue class between the webrtc MediaStream and |
+// the effects pepper plugin host. |
+class CONTENT_EXPORT VideoDestinationHandler { |
+ public: |
+ VideoDestinationHandler(MediaStreamDependencyFactory* factory, |
+ MediaStreamRegistryInterface* registry); |
+ bool Open(const std::string& url, FrameWriterInterface** frame_writer); |
wjia(left Chromium)
2013/04/30 18:32:11
Please add detailed comments for API functions.
Ronghua Wu (Left Chromium)
2013/04/30 22:42:17
Done.
|
+ virtual ~VideoDestinationHandler(); |
+ |
+ private: |
+ MediaStreamDependencyFactory* factory_; |
+ MediaStreamRegistryInterface* registry_; |
+}; |
+ |
+} // namespace content |
+ |
+#endif // CONTENT_RENDERER_MEDIA_VIDEO_DESTINATION_HANDLER_H_ |
+ |
Property changes on: content/renderer/media/video_destination_handler.h |
___________________________________________________________________ |
Added: svn:eol-style |
+ LF |