Implement VP9/I444 encode support in the Chromoting host.

remoting/base/util.cc

 // 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.
 
 #include "remoting/base/util.h"
 
 #include <math.h>
 
 #include "base/logging.h"
 #include "base/strings/stringprintf.h"
@@ skipping 27 matching lines @@
 int CalculateYOffset(int x, int y, int stride) {
   DCHECK(((x & 1) == 0) && ((y & 1) == 0));
   return stride * y + x;
 }
 
 int CalculateUVOffset(int x, int y, int stride) {
   DCHECK(((x & 1) == 0) && ((y & 1) == 0));
   return stride * y / 2 + x / 2;
 }
 
-void ConvertRGB32ToYUVWithRect(const uint8* rgb_plane,
-                               uint8* y_plane,
-                               uint8* u_plane,
-                               uint8* v_plane,
-                               int x,
-                               int y,
-                               int width,
-                               int height,
-                               int rgb_stride,
-                               int y_stride,
-                               int uv_stride) {
-  int rgb_offset = CalculateRGBOffset(x, y, rgb_stride);
-  int y_offset = CalculateYOffset(x, y, y_stride);
-  int uv_offset = CalculateUVOffset(x, y, uv_stride);;
-
-  libyuv::ARGBToI420(rgb_plane + rgb_offset, rgb_stride,
-                     y_plane + y_offset, y_stride,
-                     u_plane + uv_offset, uv_stride,
-                     v_plane + uv_offset, uv_stride,
-                     width, height);
-}
-
 void ConvertAndScaleYUVToRGB32Rect(
     const uint8* source_yplane,
     const uint8* source_uplane,
     const uint8* source_vplane,
     int source_ystride,
     int source_uvstride,
     const webrtc::DesktopSize& source_size,
     const webrtc::DesktopRect& source_buffer_rect,
     uint8* dest_buffer,
     int dest_stride,
@@ skipping 228 matching lines @@
 }
 
 bool DoesRectContain(const webrtc::DesktopRect& a,
                      const webrtc::DesktopRect& b) {
   webrtc::DesktopRect intersection(a);
   intersection.IntersectWith(b);
   return intersection.equals(b);
 }
 
 }  // namespace remoting