Introducing a helper wrapper for YUV-to-RGB convertion and/or scaling.

remoting/base/decoder_vp8.h

 // Copyright (c) 2012 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 REMOTING_BASE_DECODER_VP8_H_
 #define REMOTING_BASE_DECODER_VP8_H_
 
 #include "remoting/base/decoder.h"
 
 typedef struct vpx_codec_ctx vpx_codec_ctx_t;
@@ skipping 17 matching lines @@
   virtual void SetClipRect(const SkIRect& clip_rect) OVERRIDE;
   virtual void RefreshRegion(const SkRegion& region) OVERRIDE;
 
  private:
   enum State {
     kUninitialized,
     kReady,
     kError,
   };
 
-  // Return true if scaling is enabled
-  bool DoScaling() const;
-
-  // Perform color space conversion on the specified region.
-  // Writes the updated region to |output_region|.
-  void ConvertRegion(const SkRegion& region,
-                     SkRegion* output_region);
-
-  // Perform scaling and color space conversion on the specified
-  // region.  Writes the updated rectangles to |output_region|.
-  void ScaleAndConvertRegion(const SkRegion& region,
-                             SkRegion* output_region);
-
   // The internal state of the decoder.
   State state_;
 
   // The video frame to write to.
   scoped_refptr<media::VideoFrame> frame_;
 
   vpx_codec_ctx_t* codec_;
 
   // Pointer to the last decoded image.
   vpx_image_t* last_image_;
 
   // The region updated by the most recent decode.
   SkRegion updated_region_;
 
   // Clipping rect for the output of the decoder.
   SkIRect clip_rect_;
 
   // Output dimensions.
   SkISize output_size_;
 
   DISALLOW_COPY_AND_ASSIGN(DecoderVp8);
 };
 
 }  // namespace remoting
 
 #endif  // REMOTING_BASE_DECODER_VP8_H_