Add SplitUVPlanes and MergeUVPlanes

include/libyuv/convert_from.h

Index: include/libyuv/convert_from.h
diff --git a/include/libyuv/convert_from.h b/include/libyuv/convert_from.h
index 39e1578a0e33343ceb3eaf5e5804b9fef726f50e..bf93b543c3f2f6feae7ab5c17ce497bdf71d629b 100644
--- a/include/libyuv/convert_from.h
+++ b/include/libyuv/convert_from.h
@@ -160,6 +160,13 @@ int I420ToARGB4444(const uint8* src_y, int src_stride_y,
                    uint8* dst_frame, int dst_stride_frame,
                    int width, int height);
 
+// Merge separate U and V planes into one interleaved UV plane.
+LIBYUV_API
+int MergeUVPlanes(const uint8* src_u, int src_stride_u,

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

move to planar_functions.h
functions in convert from are for I420To other formats.

+                  const uint8* src_v, int src_stride_v,
+                  uint8* dst_uv, int dst_stride_uv,
+                  int width, int height);
+
 // Convert I420 to specified format.
 // "dst_sample_stride" is bytes in a row for the destination. Pass 0 if the
 //    buffer has contiguous rows. Can be negative. A multiple of 16 is optimal.