Optimize state transition table sorting in ffv1

Originally committed as revision 25561 to svn://svn.ffmpeg.org/ffmpeg/trunk
14 years ago · 98d2f7a47f
parent bc29ae4a77
commit 98d2f7a47f
1 changed files with 1 additions and 1 deletions
--- a/libavcodec/ffv1.c
+++ b/libavcodec/ffv1.c
@ -885,7 +885,7 @@ static av_cold int encode_init(AVCodecContext *avctx)
        do{
            changed=0;
            for(i=12; i<244; i++){
-                for(i2=i+1; i2<245; i2++){
+                for(i2=i+1; i2<245 && i2<i+4; i2++){
 #define COST(old, new) \
    s->rc_stat[old][0]*-log2((256-(new))/256.0)\
   +s->rc_stat[old][1]*-log2(     (new) /256.0)