1 files changed, 28 insertions, 0 deletions
diff --git a/remoting/base/decoder_vp8.h b/remoting/base/decoder_vp8.h
index 08f60e2..7aab0fb 100644
--- a/remoting/base/decoder_vp8.h
+++ b/remoting/base/decoder_vp8.h
@@ -8,6 +8,7 @@
 #include "remoting/base/decoder.h"
 
 typedef struct vpx_codec_ctx vpx_codec_ctx_t;
+typedef struct vpx_image vpx_image_t;
 
 namespace remoting {
 
@@ -23,6 +24,9 @@ class DecoderVp8 : public Decoder {
   virtual bool IsReadyForData();
   virtual void Reset();
   virtual VideoPacketFormat::Encoding Encoding();
+  virtual void SetScaleRatios(double horizontal_ratio, double vertical_ratio);
+  virtual void SetClipRect(const gfx::Rect& clip_rect);
+  virtual void RefreshRects(const std::vector<gfx::Rect>& rects);
 
  private:
   enum State {
@@ -31,6 +35,20 @@ class DecoderVp8 : public Decoder {
     kError,
   };
 
+  // Return true if scaling is enabled
+  bool DoScaling() const;
+
+  // Perform color space conversion on the specified rectangles.
+  // Write the updated rectangles to |output_rects|.
+  void ConvertRects(const UpdatedRects& rects,
+                    UpdatedRects* output_rects);
+
+  // Perform scaling and color space conversion on the specified
+  // rectangles.
+  // Write the updated rectangles to |output_rects|.
+  void ScaleAndConvertRects(const UpdatedRects& rects,
+                            UpdatedRects* output_rects);
+
   // The internal state of the decoder.
   State state_;
 
@@ -39,9 +57,19 @@ class DecoderVp8 : public Decoder {
 
   vpx_codec_ctx_t* codec_;
 
+  // Pointer to the last decoded image.
+  vpx_image_t* last_image_;
+
   // Record the updated rects in the last decode.
   UpdatedRects updated_rects_;
 
+  // Clipping rect for the output of the decoder.
+  gfx::Rect clip_rect_;
+
+  // Scale factors of the decoded output.
+  double horizontal_scale_ratio_;
+  double vertical_scale_ratio_;
+
   DISALLOW_COPY_AND_ASSIGN(DecoderVp8);
 };