Don't try to interpolate the chroma samples, the used algorithm only
works for horizontal cositing. Let's switch to a faster and safer
version until we handle chroma siting correctly in the fastpaths.
subb r, y, c128
splatbw wy, r
-loadupib r, u
+loadupdb r, u
subb r, r, c128
splatbw wu, r
-loadupib r, v
+loadupdb r, v
subb r, r, c128
splatbw wv, r
in_matrix = convert->in_info.colorimetry.matrix;
out_matrix = convert->out_info.colorimetry.matrix;
-// return FALSE;
-
interlaced = GST_VIDEO_INFO_IS_INTERLACED (&convert->in_info);
interlaced |= GST_VIDEO_INFO_IS_INTERLACED (&convert->out_info);