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replace a few hardcoded numbers with their correct named ones

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Originally committed as revision 7441 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2007-01-13 01:00:37 +00:00
parent 6de062957b
commit 3b6dc9ca6d
1 changed files with 8 additions and 8 deletions
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16
libavcodec/cabac.h
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@ -539,26 +539,26 @@ static int av_always_inline get_cabac_inline(CABACContext *c, uint8_t * const st
c->range -= RangeLPS;
#ifndef BRANCHLESS_CABAC_DECODER
if(c->low < (c->range<<17)){
if(c->low < (c->range<<(CABAC_BITS+1))){
bit= s&1;
*state= ff_h264_mps_state[s];
renorm_cabac_decoder_once(c);
}else{
bit= ff_h264_norm_shift[RangeLPS];
c->low -= (c->range<<17);
c->low -= (c->range<<(CABAC_BITS+1));
*state= ff_h264_lps_state[s];
c->range = RangeLPS<<bit;
c->low <<= bit;
bit= (s&1)^1;
if(!(c->low & 0xFFFF)){
if(!(c->low & CABAC_MASK)){
refill2(c);
}
}
#else /* BRANCHLESS_CABAC_DECODER */
lps_mask= ((c->range<<17) - c->low)>>31;
lps_mask= ((c->range<<(CABAC_BITS+1)) - c->low)>>31;
c->low -= (c->range<<17) & lps_mask;
c->low -= (c->range<<(CABAC_BITS+1)) & lps_mask;
c->range += (RangeLPS - c->range) & lps_mask;
s^=lps_mask;
@ -620,7 +620,7 @@ static int get_cabac_bypass(CABACContext *c){
if(!(c->low & CABAC_MASK))
refill(c);
range= c->range<<17;
range= c->range<<(CABAC_BITS+1);
if(c->low < range){
return 0;
}else{
@ -669,7 +669,7 @@ static av_always_inline int get_cabac_bypass_sign(CABACContext *c, int val){
if(!(c->low & CABAC_MASK))
refill(c);
range= c->range<<17;
range= c->range<<(CABAC_BITS+1);
c->low -= range;
mask= c->low >> 31;
range &= mask;
@ -794,7 +794,7 @@ static int decode_significance_8x8_x86(CABACContext *c, uint8_t *significant_coe
*/
static int get_cabac_terminate(CABACContext *c){
c->range -= 2;
if(c->low < c->range<<17){
if(c->low < c->range<<(CABAC_BITS+1)){
renorm_cabac_decoder_once(c);
return 0;
}else{