Merge 117748 - Linear sub-rectangle scaler for use in Chromoting.

media/base/yuv_convert.h

-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// 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 MEDIA_BASE_YUV_CONVERT_H_
 #define MEDIA_BASE_YUV_CONVERT_H_
 
 #include "base/basictypes.h"
 
 namespace media {
 
@@ skipping 48 matching lines @@
                      int source_height,
                      int width,
                      int height,
                      int ystride,
                      int uvstride,
                      int rgbstride,
                      YUVType yuv_type,
                      Rotate view_rotate,
                      ScaleFilter filter);
 
+// Biliner Scale a frame of YV12 to 32 bits ARGB on a specified rectangle.
+// |yplane|, etc and |rgbframe| should point to the top-left pixels of the
+// source and destination buffers.
+void ScaleYUVToRGB32WithRect(const uint8* yplane,
+                             const uint8* uplane,
+                             const uint8* vplane,
+                             uint8* rgbframe,
+                             int source_width,
+                             int source_height,
+                             int dest_width,
+                             int dest_height,
+                             int dest_rect_left,
+                             int dest_rect_top,
+                             int dest_rect_right,
+                             int dest_rect_bottom,
+                             int ystride,
+                             int uvstride,
+                             int rgbstride);
+
 void ConvertRGB32ToYUV(const uint8* rgbframe,
                        uint8* yplane,
                        uint8* uplane,
                        uint8* vplane,
                        int width,
                        int height,
                        int rgbstride,
                        int ystride,
                        int uvstride);
 
@@ skipping 14 matching lines @@
                       int width,
                       int height);
 
 // Empty SIMD register state after calling optimized scaler functions.
 // This method is only used in unit test after calling SIMD functions.
 void EmptyRegisterState();
 
 }  // namespace media
 
 #endif  // MEDIA_BASE_YUV_CONVERT_H_