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| -rw-r--r-- | DOCS/tech/colorspaces.txt | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/DOCS/tech/colorspaces.txt b/DOCS/tech/colorspaces.txt index b1d7d6f22e..4a68a43ad2 100644 --- a/DOCS/tech/colorspaces.txt +++ b/DOCS/tech/colorspaces.txt @@ -43,6 +43,9 @@ doesn't matter what is they order in memory: planes[0] = Y = luminance planes[1] = U = Cb = blue planes[2] = V = Cr = red + Note: planes[1] is ALWAYS U, and planes[2] is V, the fourcc + (YV12 vs. I420) doesn't matter here! So, every codecs using 3 pointers + (not only the first one) normally supports YV12 and I420 (=IYUV) too! But there are some codecs (vfw, dshow) and vo drivers (xv) ignoring the 2nd and 3rd pointer, and use only a single pointer to the planar yuv image. In |