Fix RGB->YUV conversion: input is BGR instead of RGB.

remoting/base/encoder_vp8.cc

 // Copyright (c) 2010 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/encoder_vp8.h"
 
 #include "base/logging.h"
 #include "media/base/callback.h"
 #include "media/base/media.h"
 #include "remoting/base/capture_data.h"
@@ skipping 109 matching lines @@
   uint8* in = capture_data->data_planes().data[0];
   const int in_stride = capture_data->data_planes().strides[0];
   uint8* y_out = yuv_image_.get();
   uint8* u_out = yuv_image_.get() + plane_size;
   uint8* v_out = yuv_image_.get() + plane_size + plane_size / 4;
   const int out_stride = image_->stride[0];
   for (int i = 0; i < capture_data->height(); ++i) {
     for (int j = 0; j < capture_data->width(); ++j) {
       // Since the input pixel format is RGB32, there are 4 bytes per pixel.
       uint8* pixel = in + 4 * j;
-      y_out[j] = clip_byte(((pixel[0] * 66 + pixel[1] * 129 +
-                             pixel[2] * 25 + 128) >> 8) + 16);
+      y_out[j] = clip_byte(((pixel[2] * 66 + pixel[1] * 129 +
+                             pixel[0] * 25 + 128) >> 8) + 16);
       if (i % 2 == 0 && j % 2 == 0) {
-        u_out[j / 2] = clip_byte(((pixel[0] * -38 + pixel[1] * -74 +
-                                   pixel[2] * 112 + 128) >> 8) + 128);
-        v_out[j / 2] = clip_byte(((pixel[0] * 112 + pixel[1] * -94 +
-                                   pixel[2] * -18 + 128) >> 8) + 128);
+        u_out[j / 2] = clip_byte(((pixel[2] * -38 + pixel[1] * -74 +
+                                   pixel[0] * 112 + 128) >> 8) + 128);
+        v_out[j / 2] = clip_byte(((pixel[2] * 112 + pixel[1] * -94 +
+                                   pixel[1] * -18 + 128) >> 8) + 128);
       }
     }
     in += in_stride;
     y_out += out_stride;
     if (i % 2 == 0) {
       u_out += out_stride / 2;
       v_out += out_stride / 2;
     }
   }
   return true;
@@ skipping 50 matching lines @@
   }
 
   message->mutable_format()->set_encoding(VideoPacketFormat::ENCODING_VP8);
   message->set_flags(VideoPacket::FIRST_PACKET | VideoPacket::LAST_PACKET);
 
   data_available_callback->Run(message);
   delete data_available_callback;
 }
 
 }  // namespace remoting