Reorganize YUV scalers (Continued)

media/base/simd/convert_rgb_to_yuv.h

Index: media/base/simd/convert_rgb_to_yuv.h
diff --git a/media/base/simd/convert_rgb_to_yuv.h b/media/base/simd/convert_rgb_to_yuv.h
index e16fa51526ef9b7a3f88f3dfb608a53dd5377351..03fe1140c47990cc65f20eeb2b867d191cbd77a8 100644
--- a/media/base/simd/convert_rgb_to_yuv.h
+++ b/media/base/simd/convert_rgb_to_yuv.h
@@ -35,6 +35,52 @@ void ConvertRGB24ToYUV_SSSE3(const uint8* rgbframe,
                              int ystride,
                              int uvstride);
 
+// SSE2 version of converting RGBA to YV12.
+void ConvertRGB32ToYUV_SSE2(const uint8* rgbframe,
+                            uint8* yplane,
+                            uint8* uplane,
+                            uint8* vplane,
+                            int width,
+                            int height,
+                            int rgbstride,
+                            int ystride,
+                            int uvstride);
+
+// This is a C reference implementation of the above routine.
+// This method should only be used in unit test.
+// TODO(hclam): Should use this as the C version of RGB to YUV.
+void ConvertRGB32ToYUV_SSE2_Reference(const uint8* rgbframe,
+                                      uint8* yplane,
+                                      uint8* uplane,
+                                      uint8* vplane,
+                                      int width,
+                                      int height,
+                                      int rgbstride,
+                                      int ystride,
+                                      int uvstride);
+
+// C version of converting RGBA to YV12.
+void ConvertRGB32ToYUV_C(const uint8* rgbframe,
+                         uint8* yplane,
+                         uint8* uplane,
+                         uint8* vplane,
+                         int width,
+                         int height,
+                         int rgbstride,
+                         int ystride,
+                         int uvstride);
+
+// C version of converting RGB24 to YV12.
+void ConvertRGB24ToYUV_C(const uint8* rgbframe,
+                         uint8* yplane,
+                         uint8* uplane,
+                         uint8* vplane,
+                         int width,
+                         int height,
+                         int rgbstride,
+                         int ystride,
+                         int uvstride);
+
 }  // namespace media
 
 #endif  // MEDIA_BASE_SIMD_CONVERT_RGB_TO_YUV_H_