Remove frame time scheduing in IncomingVideoStream

webrtc/video_renderer.h

 /*
  *  Copyright (c) 2013 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_VIDEO_ENGINE_NEW_INCLUDE_VIDEO_RENDERER_H_
 #define WEBRTC_VIDEO_ENGINE_NEW_INCLUDE_VIDEO_RENDERER_H_
 
 namespace webrtc {
 
 class VideoFrame;
 
 class VideoRenderer {
  public:
   // This function should return as soon as possible and not block until it's
   // time to render the frame.
   // TODO(mflodman) Remove time_to_render_ms when VideoFrame contains NTP.
   virtual void RenderFrame(const VideoFrame& video_frame,
                            int time_to_render_ms) = 0;
 
   virtual bool IsTextureSupported() const = 0;
 
+  // This function returns true if the renderer has the ability to schedule
+  // frames for rendering smoothness.
+  virtual bool CanScheduleFrame() const { return false; }
+
  protected:
   virtual ~VideoRenderer() {}
 };
 }  // namespace webrtc
 
 #endif  // WEBRTC_VIDEO_ENGINE_NEW_INCLUDE_VIDEO_RENDERER_H_