[Ffmpeg-cvslog] CVS: ffmpeg/libavcodec snow.c,1.51,1.52
Michael Niedermayer CVS
michael
Thu Apr 14 20:33:28 CEST 2005
Update of /cvsroot/ffmpeg/ffmpeg/libavcodec
In directory mail:/var2/tmp/cvs-serv12096
Modified Files:
snow.c
Log Message:
optimizing unpack_coeffs()
Index: snow.c
===================================================================
RCS file: /cvsroot/ffmpeg/ffmpeg/libavcodec/snow.c,v
retrieving revision 1.51
retrieving revision 1.52
diff -u -d -r1.51 -r1.52
--- snow.c 13 Apr 2005 01:57:19 -0000 1.51
+++ snow.c 14 Apr 2005 18:33:26 -0000 1.52
@@ -1817,10 +1817,21 @@
int context= av_log2(/*ABS(ll) + */3*(l>>1) + (lt>>1) + (t&~1) + (rt>>1) + (p>>1));
v=get_rac(&s->c, &b->state[0][context]);
+ if(v){
+ v= 2*(get_symbol2(&s->c, b->state[context + 2], context-4) + 1);
+ v+=get_rac(&s->c, &b->state[0][16 + 1 + 3 + quant3bA[l&0xFF] + 3*quant3bA[t&0xFF]]);
+
+ b->x_coeff[index].x=x;
+ b->x_coeff[index++].coeff= v;
+ }
}else{
if(!run){
run= get_symbol2(&s->c, b->state[1], 3);
- v=1;
+ v= 2*(get_symbol2(&s->c, b->state[0 + 2], 0-4) + 1);
+ v+=get_rac(&s->c, &b->state[0][16 + 1 + 3]);
+
+ b->x_coeff[index].x=x;
+ b->x_coeff[index++].coeff= v;
}else{
run--;
v=0;
@@ -1835,14 +1846,6 @@
}
}
}
- if(v){
- int context= av_log2(/*ABS(ll) + */3*(l>>1) + (lt>>1) + (t&~1) + (rt>>1) + (p>>1));
- v= 2*(get_symbol2(&s->c, b->state[context + 2], context-4) + 1);
- v+=get_rac(&s->c, &b->state[0][16 + 1 + 3 + quant3bA[l&0xFF] + 3*quant3bA[t&0xFF]]);
-
- b->x_coeff[index].x=x;
- b->x_coeff[index++].coeff= v;
- }
}
b->x_coeff[index++].x= w+1; //end marker
prev_index= prev2_index;
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