[FFmpeg-cvslog] r16232 - trunk/libavcodec/h264.c

[michael]

Author: michael
Date: Fri Dec 19 03:00:33 2008
New Revision: 16232

Log:
Simplify ctx update in decode_cabac_mb_dqp().
no speed change


Modified:
   trunk/libavcodec/h264.c

Modified: trunk/libavcodec/h264.c
==============================================================================
--- trunk/libavcodec/h264.c	(original)
+++ trunk/libavcodec/h264.c	Fri Dec 19 03:00:33 2008
@@ -4959,10 +4959,7 @@ static int decode_cabac_mb_dqp( H264Cont
     int   val = 0;
 
     while( get_cabac_noinline( &h->cabac, &h->cabac_state[60 + ctx] ) ) {
-        if( ctx < 2 )
-            ctx = 2;
-        else
-            ctx = 3;
+        ctx= 2+(ctx>>1);
         val++;
         if(val > 102) //prevent infinite loop
             return INT_MIN;