aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorMichael Niedermayer <michael@niedermayer.cc>2018-07-18 22:22:35 +0200
committerMichael Niedermayer <michael@niedermayer.cc>2018-07-20 13:15:48 +0200
commit56b188941fd34d1d139f77c330d36baf66c9bc09 (patch)
tree811e4f2198d911b808ec805daba8972383387b47
parent48e104a8240d773f66a62969680a93d3c952e45b (diff)
downloadffmpeg-56b188941fd34d1d139f77c330d36baf66c9bc09.tar.gz
avutil/pixfmt: Document chroma plane size for odd resolutions
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> (cherry picked from commit be0b77e6e83b61c2da338201b5ddfae1c9acedc5) Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
-rw-r--r--libavutil/pixfmt.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/libavutil/pixfmt.h b/libavutil/pixfmt.h
index 029c911d49..025f96be88 100644
--- a/libavutil/pixfmt.h
+++ b/libavutil/pixfmt.h
@@ -43,6 +43,10 @@
* 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