From b130cdb92332f94f9006544f8a47970d85013b46 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Wed, 18 Jul 2018 22:22:35 +0200 Subject: [PATCH] avutil/pixfmt: Document chroma plane size for odd resolutions Signed-off-by: Michael Niedermayer (cherry picked from commit be0b77e6e83b61c2da338201b5ddfae1c9acedc5) Signed-off-by: Michael Niedermayer --- libavutil/pixfmt.h | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/libavutil/pixfmt.h b/libavutil/pixfmt.h index 7a3f68be7e..2b8f8129eb 100644 --- a/libavutil/pixfmt.h +++ b/libavutil/pixfmt.h @@ -42,6 +42,10 @@ * This is stored as BGRA on little-endian CPU architectures and ARGB on * big-endian CPUs. * + * @note + * If the resolution is not a multiple of the chroma subsampling factor + * then the chroma plane resolution must be rounded up. + * * @par * When the pixel format is palettized RGB32 (AV_PIX_FMT_PAL8), the palettized * image data is stored in AVFrame.data[0]. The palette is transported in