Reorganize modules/video_render.

The usual elimination of main/source etc.

Review URL: https://webrtc-codereview.appspot.com/929011

git-svn-id: http://webrtc.googlecode.com/svn/trunk@3027 4adac7df-926f-26a2-2b94-8c16560cd09d

webrtc/modules/video_render/video_render_frames.h

@@ -0,0 +1,62 @@
+/*
+ *  Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+#ifndef WEBRTC_MODULES_VIDEO_RENDER_MAIN_SOURCE_VIDEO_RENDER_FRAMES_H_  // NOLINT
+#define WEBRTC_MODULES_VIDEO_RENDER_MAIN_SOURCE_VIDEO_RENDER_FRAMES_H_  // NOLINT
+
+#include "webrtc/modules/video_render/include/video_render.h"
+#include "system_wrappers/interface/list_wrapper.h"
+
+namespace webrtc {
+
+// Class definitions
+class VideoRenderFrames {
+ public:
+  VideoRenderFrames();
+  ~VideoRenderFrames();
+
+  // Add a frame to the render queue
+  WebRtc_Word32 AddFrame(I420VideoFrame* new_frame);
+
+  // Get a frame for rendering, if it's time to render.
+  I420VideoFrame* FrameToRender();
+
+  // Return an old frame
+  WebRtc_Word32 ReturnFrame(I420VideoFrame* old_frame);
+
+  // Releases all frames
+  WebRtc_Word32 ReleaseAllFrames();
+
+  // Returns the number of ms to next frame to render
+  WebRtc_UWord32 TimeToNextFrameRelease();
+
+  // Sets estimates delay in renderer
+  WebRtc_Word32 SetRenderDelay(const WebRtc_UWord32 render_delay);
+
+ private:
+  // 10 seconds for 30 fps.
+  enum { KMaxNumberOfFrames = 300 };
+  // Don't render frames with timestamp older than 500ms from now.
+  enum { KOldRenderTimestampMS = 500 };
+  // Don't render frames with timestamp more than 10s into the future.
+  enum { KFutureRenderTimestampMS = 10000 };
+
+  // Sorted list with framed to be rendered, oldest first.
+  ListWrapper incoming_frames_;
+  // Empty frames.
+  ListWrapper empty_frames_;
+
+  // Estimated delay from a frame is released until it's rendered.
+  WebRtc_UWord32 render_delay_ms_;
+};
+
+}  // namespace webrtc
+
+#endif  // WEBRTC_MODULES_VIDEO_RENDER_MAIN_SOURCE_VIDEO_RENDER_FRAMES_H_  // NOLINT