Improving the decoder pipeline.

remoting/base/decoder_row_based.h

Index: remoting/base/decoder_row_based.h
diff --git a/remoting/base/decoder_row_based.h b/remoting/base/decoder_row_based.h
index 183086cea6c6039567932e2f85d75cc2a4c600ae..e7ad9386ebd03ae4fa96de781e24ea4b5a4e9d03 100644
--- a/remoting/base/decoder_row_based.h
+++ b/remoting/base/decoder_row_based.h
@@ -20,11 +20,16 @@ class DecoderRowBased : public Decoder {
 
   // Decoder implementation.
   virtual bool IsReadyForData() OVERRIDE;
-  virtual void Initialize(scoped_refptr<media::VideoFrame> frame) OVERRIDE;
+  virtual void Initialize(const SkISize& screen_size) OVERRIDE;
   virtual DecodeResult DecodePacket(const VideoPacket* packet) OVERRIDE;
-  virtual void GetUpdatedRegion(SkRegion* region) OVERRIDE;
   virtual void Reset() OVERRIDE;
   virtual VideoPacketFormat::Encoding Encoding() OVERRIDE;
+  virtual void UpdateRegion(const SkRegion& region) OVERRIDE;
+  virtual void Draw(const SkISize& view_size,
+                    const SkIRect& clip_area,
+                    uint8* image_buffer,
+                    int image_stride,
+                    SkRegion* output_region) OVERRIDE;
 
  private:
   enum State {
@@ -48,9 +53,6 @@ class DecoderRowBased : public Decoder {
   // Keeps track of the updating rect.
   SkIRect clip_;
 
-  // The video frame to write to.
-  scoped_refptr<media::VideoFrame> frame_;
-
   // The compression for the input byte stream.
   scoped_ptr<Decompressor> decompressor_;
 
@@ -63,8 +65,15 @@ class DecoderRowBased : public Decoder {
   // The current row in the rect that we are updaing.
   int row_y_;
 
+  // The region updated that hasn't been copied to the screen yet.
   SkRegion updated_region_;
 
+  // Size of the remote screen.
+  SkISize screen_size_;
+
+  // The bitmap holding the remote screen bits.
+  scoped_array<uint8> screen_buffer_;
+
   DISALLOW_COPY_AND_ASSIGN(DecoderRowBased);
 };