[SCM] libav/experimental: better motion_subsample_log2 docs

[siretart at users.alioth.debian.org]

The following commit has been merged in the experimental branch:
commit f0b77c69c120321f6abcb922cbb62358f446753c
Author: Michael Niedermayer <michaelni at gmx.at>
Date:   Sun Dec 19 12:26:54 2004 +0000

    better motion_subsample_log2 docs
    
    Originally committed as revision 3762 to svn://svn.ffmpeg.org/ffmpeg/trunk

diff --git a/libavcodec/avcodec.h b/libavcodec/avcodec.h
index 8d1ecfa..f53e62a 100644
--- 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\
      */\

-- 
Libav/FFmpeg packaging