better motion_subsample_log2 docs

Originally committed as revision 3762 to svn://svn.ffmpeg.org/ffmpeg/trunk
20 years ago · f0b77c69c1
parent 55c7e4ad5d
commit f0b77c69c1
1 changed files with 2 additions and 1 deletions
--- a/libavcodec/avcodec.h
+++ b/libavcodec/avcodec.h
@ -491,7 +491,8 @@ typedef struct AVPanScan{
    uint32_t *mb_type;\
 \
    /**\
-     * Macroblock size: (0->16x16, 1->8x8, 2-> 4x4, 3-> 2x2)\
+     * log2 of the size of the block which a single vector in motion_val represents: \
+     * (4->16x16, 3->8x8, 2-> 4x4, 1-> 2x2)\
     * - encoding: unused\
     * - decoding: set by lavc\
     */\