Add SplitUVPlanes and MergeUVPlanes

include/libyuv/convert.h

Index: include/libyuv/convert.h
diff --git a/include/libyuv/convert.h b/include/libyuv/convert.h
index fcfcf544e1285533738e7ca5da14987de992f6ba..71ced19be6e9ea17883adb2bf1a12bd884f08169 100644
--- a/include/libyuv/convert.h
+++ b/include/libyuv/convert.h
@@ -201,6 +201,13 @@ int ARGB4444ToI420(const uint8* src_frame, int src_stride_frame,
                    uint8* dst_v, int dst_stride_v,
                    int width, int height);
 
+// Split interleaved UV plane into separate U and V planes.
+LIBYUV_API
+int SplitUVPlane(const uint8* src_uv, int src_stride_uv,

[fbarchard1, 2016/08/24 17:42:23]

prefer SplitPlane function name function name for consistency with other planar
functions.

[fbarchard1, 2016/08/24 17:42:23]

Should be moved to planar_functions.h

+                 uint8* dst_u, int dst_stride_u,
+                 uint8* dst_v, int dst_stride_v,
+                 int width, int height);
+
 #ifdef HAVE_JPEG
 // src_width/height provided by capture.
 // dst_width/height for clipping determine final size.