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

media/cast/sender/video_sender.cc

 // Copyright 2014 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/video_sender.h"
 
 #include <stdint.h>
 #include <algorithm>
 #include <cmath>
 #include <cstring>
@@ skipping 306 matching lines @@
 
 void VideoSender::OnEncodedVideoFrame(
     const scoped_refptr<media::VideoFrame>& video_frame,
     int encoder_bitrate,
     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.
+  if (!encoded_frame)
+    return;
+
   duration_in_encoder_ =
       last_enqueued_frame_reference_time_ - encoded_frame->reference_time;
 
   last_reported_deadline_utilization_ = encoded_frame->deadline_utilization;
   last_reported_lossy_utilization_ = encoded_frame->lossy_utilization;
 
   TRACE_EVENT_ASYNC_END2("cast.stream", "Video Encode", video_frame.get(),
       "deadline_utilization", last_reported_deadline_utilization_,
       "lossy_utilization", last_reported_lossy_utilization_);
 
@@ skipping 12 matching lines @@
         media::VideoFrameMetadata::RESOURCE_UTILIZATION,
         encoded_frame->dependency == EncodedFrame::KEY ?
             std::min(1.0, attenuated_utilization) : attenuated_utilization);
   }
 
   SendEncodedFrame(encoder_bitrate, std::move(encoded_frame));
 }
 
 }  // namespace cast
 }  // namespace media