Memory copy the VideoFrame to match the requirement for HW encoders.

media/cast/sender/size_adaptable_video_encoder_base.cc

 // Copyright 2015 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.
 
 #include "media/cast/sender/size_adaptable_video_encoder_base.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/location.h"
@@ skipping 61 matching lines @@
   if (encoder_)
     encoder_->SetBitRate(new_bit_rate);
 }
 
 void SizeAdaptableVideoEncoderBase::GenerateKeyFrame() {
   DCHECK(cast_environment_->CurrentlyOn(CastEnvironment::MAIN));
   if (encoder_)
     encoder_->GenerateKeyFrame();
 }
 
-scoped_ptr<VideoFrameFactory>
-    SizeAdaptableVideoEncoderBase::CreateVideoFrameFactory() {
+std::unique_ptr<VideoFrameFactory>
+SizeAdaptableVideoEncoderBase::CreateVideoFrameFactory() {
   DCHECK(cast_environment_->CurrentlyOn(CastEnvironment::MAIN));
   return nullptr;
 }
 
 void SizeAdaptableVideoEncoderBase::EmitFrames() {
   DCHECK(cast_environment_->CurrentlyOn(CastEnvironment::MAIN));
   if (encoder_)
     encoder_->EmitFrames();
 }
 
@@ skipping 51 matching lines @@
       status == STATUS_INITIALIZED) {
     // Begin using the replacement encoder.
     frames_in_encoder_ = 0;
     OnEncoderReplaced(encoder_.get());
   }
   status_change_cb_.Run(status);
 }
 
 void SizeAdaptableVideoEncoderBase::OnEncodedVideoFrame(
     const FrameEncodedCallback& frame_encoded_callback,
-    scoped_ptr<SenderEncodedFrame> encoded_frame) {
+    std::unique_ptr<SenderEncodedFrame> encoded_frame) {
   DCHECK(cast_environment_->CurrentlyOn(CastEnvironment::MAIN));
   --frames_in_encoder_;
   DCHECK_GE(frames_in_encoder_, 0);
+  // Encoding was exited with errors.

[miu, 2016/05/03 19:05:43]

nit: Simplify:

  if (encoded_frame)
    last_frame_id_ = encoded_frame->frame_id;
  frame_encoded_callback.Run(std::move(encoded_frame));

[xjz, 2016/05/03 23:30:15]

Done.

+  if (!encoded_frame) {
+    frame_encoded_callback.Run(std::move(encoded_frame));
+    return;
+  }
+
   last_frame_id_ = encoded_frame->frame_id;
   frame_encoded_callback.Run(std::move(encoded_frame));
 }
 
 }  // namespace cast
 }  // namespace media