X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavutil%2Fpixdesc.h;h=3bb10f777a92f9051d122a1ef9cd602e4700eb88;hb=74b1bf632f125a795e66e5fd0a060b9c7c55b7a3;hp=aea1e38cf64d4311e0cd87ebe758591be9b3ea0d;hpb=d336bfcf69fee159e9dba5e5e486ddb1aba61aab;p=ffmpeg

diff --git a/libavutil/pixdesc.h b/libavutil/pixdesc.h
index aea1e38cf64..3bb10f777a9 100644
--- a/libavutil/pixdesc.h
+++ b/libavutil/pixdesc.h
@@ -84,16 +84,16 @@ typedef struct AVPixFmtDescriptor {
     /**
      * Amount to shift the luma width right to find the chroma width.
      * For YV12 this is 1 for example.
-     * chroma_width = -((-luma_width) >> log2_chroma_w)
+     * chroma_width = AV_CEIL_RSHIFT(luma_width, log2_chroma_w)
      * The note above is needed to ensure rounding up.
      * This value only refers to the chroma components.
      */
-    uint8_t log2_chroma_w;  ///< chroma_width = -((-luma_width )>>log2_chroma_w)
+    uint8_t log2_chroma_w;
 
     /**
      * Amount to shift the luma height right to find the chroma height.
      * For YV12 this is 1 for example.
-     * chroma_height= -((-luma_height) >> log2_chroma_h)
+     * chroma_height= AV_CEIL_RSHIFT(luma_height, log2_chroma_h)
      * The note above is needed to ensure rounding up.
      * This value only refers to the chroma components.
      */