New method CreateScaledFrame in the VideoFrameFactory interface.

webrtc/media/base/videocapturer.cc

 /*
  *  Copyright (c) 2010 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.
  */
 
@@ skipping 220 matching lines @@
     }
     adapted_width = adapted_format.width;
     adapted_height = adapted_format.height;
   }
 
   if (!frame_factory_) {
     LOG(LS_ERROR) << "No video frame factory.";
     return;
   }
 
   // TODO(nisse): Reorganize frame factory methods, deleting crop

[perkj_webrtc, 2016/05/11 10:05:17]

remove this todo? 

[nisse-webrtc, 2016/05/12 12:23:06]

Done.

   // support there too.
-  std::unique_ptr<VideoFrame> adapted_frame(frame_factory_->CreateAliasedFrame(
-      captured_frame, captured_frame->width, captured_frame->height,
-      adapted_width, adapted_height));
+  std::unique_ptr<VideoFrame> adapted_frame = frame_factory_->CreateScaledFrame(
+      captured_frame, adapted_width, adapted_height);
 
   if (!adapted_frame) {
     // TODO(fbarchard): LOG more information about captured frame attributes.
     LOG(LS_ERROR) << "Couldn't convert to I420! "
                   << "From " << ToString(captured_frame) << " To "
                   << adapted_width << " x " << adapted_height;
     return;
   }
 
   OnFrame(this, adapted_frame.get());
@@ skipping 145 matching lines @@
 void VideoCapturer::UpdateInputSize(const CapturedFrame* captured_frame) {
   // Update stats protected from fetches from different thread.
   rtc::CritScope cs(&frame_stats_crit_);
 
   input_size_valid_ = true;
   input_width_ = captured_frame->width;
   input_height_ = captured_frame->height;
 }
 
 }  // namespace cricket