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

media/cast/sender/size_adaptable_video_encoder_base.h

 // 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.
 
 #ifndef MEDIA_CAST_SENDER_SIZE_ADAPTABLE_VIDEO_ENCODER_BASE_H_
 #define MEDIA_CAST_SENDER_SIZE_ADAPTABLE_VIDEO_ENCODER_BASE_H_
 
 #include <stdint.h>
 
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "media/cast/cast_config.h"
 #include "media/cast/cast_environment.h"
 #include "media/cast/constants.h"
 #include "media/cast/sender/video_encoder.h"
 #include "ui/gfx/geometry/size.h"
 
 namespace media {
 namespace cast {
 
@@ skipping 11 matching lines @@
 
   ~SizeAdaptableVideoEncoderBase() override;
 
   // VideoEncoder implementation.
   bool EncodeVideoFrame(
       const scoped_refptr<media::VideoFrame>& video_frame,
       const base::TimeTicks& reference_time,
       const FrameEncodedCallback& frame_encoded_callback) final;
   void SetBitRate(int new_bit_rate) final;
   void GenerateKeyFrame() final;
-  scoped_ptr<VideoFrameFactory> CreateVideoFrameFactory() final;
+  std::unique_ptr<VideoFrameFactory> CreateVideoFrameFactory() final;
   void EmitFrames() final;
 
  protected:
   // Accessors for subclasses.
   CastEnvironment* cast_environment() const {
     return cast_environment_.get();
   }
   const VideoSenderConfig& video_config() const {
     return video_config_;
   }
   const gfx::Size& frame_size() const {
     return frame_size_;
   }
   uint32_t last_frame_id() const { return last_frame_id_; }
 
   // Returns a callback that calls OnEncoderStatusChange().  The callback is
   // canceled by invalidating its bound weak pointer just before a replacement
   // encoder is instantiated.  In this scheme, OnEncoderStatusChange() can only
   // be called by the most-recent encoder.
   StatusChangeCallback CreateEncoderStatusChangeCallback();
 
   // Overridden by subclasses to create a new encoder instance that handles
   // frames of the size specified by |frame_size()|.
-  virtual scoped_ptr<VideoEncoder> CreateEncoder() = 0;
+  virtual std::unique_ptr<VideoEncoder> CreateEncoder() = 0;
 
   // Overridden by subclasses to perform additional steps when
   // |replacement_encoder| becomes the active encoder.
   virtual void OnEncoderReplaced(VideoEncoder* replacement_encoder);
 
   // Overridden by subclasses to perform additional steps before/after the
   // current encoder is destroyed.
   virtual void DestroyEncoder();
 
  private:
   // Create and initialize a replacement video encoder, if this not already
   // in-progress.  The replacement will call back to OnEncoderStatusChange()
   // with success/fail status.
   void TrySpawningReplacementEncoder(const gfx::Size& size_needed);
 
   // Called when a status change is received from an encoder.
   void OnEncoderStatusChange(OperationalStatus status);
 
   // Called by the |encoder_| with the next EncodedFrame.
   void OnEncodedVideoFrame(const FrameEncodedCallback& frame_encoded_callback,
-                           scoped_ptr<SenderEncodedFrame> encoded_frame);
+                           std::unique_ptr<SenderEncodedFrame> encoded_frame);
 
   const scoped_refptr<CastEnvironment> cast_environment_;
 
   // This is not const since |video_config_.starting_bitrate| is modified by
   // SetBitRate(), for when a replacement encoder is spawned.
   VideoSenderConfig video_config_;
 
   // Run whenever the underlying encoder reports a status change.
   const StatusChangeCallback status_change_cb_;
 
   // The underlying platform video encoder and the frame size it expects.
-  scoped_ptr<VideoEncoder> encoder_;
+  std::unique_ptr<VideoEncoder> encoder_;
   gfx::Size frame_size_;
 
   // The number of frames in |encoder_|'s pipeline.  If this is set to
   // kEncoderIsInitializing, |encoder_| is not yet ready to accept frames.
   enum { kEncoderIsInitializing = -1 };
   int frames_in_encoder_;
 
   // The ID of the last frame that was emitted from |encoder_|.
   uint32_t last_frame_id_;
 
   // NOTE: Weak pointers must be invalidated before all other member variables.
   base::WeakPtrFactory<SizeAdaptableVideoEncoderBase> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(SizeAdaptableVideoEncoderBase);
 };
 
 }  // namespace cast
 }  // namespace media
 
 #endif  // MEDIA_CAST_SENDER_SIZE_ADAPTABLE_VIDEO_ENCODER_BASE_H_