Originally committed as revision 6607 to svn://svn.ffmpeg.org/ffmpeg/trunk
c->mps_state[2*i+3]= 2*mps_state[i]+3;
if( i ){
+#ifdef BRANCHLESS_CABAD
+ c->mps_state[-2*i-3]= 2*lps_state[i]+2; //FIXME yes this is not valid C but iam lazy, cleanup welcome
+ c->mps_state[-2*i-4]= 2*lps_state[i]+3;
+ }else{
+ c->mps_state[-2*i-3]= 3;
+ c->mps_state[-2*i-4]= 2;
+#else
c->lps_state[2*i+2]= 2*lps_state[i]+2;
c->lps_state[2*i+3]= 2*lps_state[i]+3;
}else{
c->lps_state[2*i+2]= 3;
c->lps_state[2*i+3]= 2;
+#endif
}
}
}
int bit, lps_mask attribute_unused;
c->range -= RangeLPS;
-#if 1
+#ifndef BRANCHLESS_CABAD
if(c->low < c->range){
bit= s&1;
*state= c->mps_state[s];
c->low -= c->range & lps_mask;
c->range += (RangeLPS - c->range) & lps_mask;
- bit= (s^lps_mask)&1;
- *state= c->mps_state[s - (130&lps_mask)];
+ s^=lps_mask;
+ *state= c->mps_state[s];
+ bit= s&1;
lps_mask= ff_h264_norm_shift[c->range>>(CABAC_BITS+3)];
c->range<<= lps_mask;