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tremor: update to 91decb5f1b

Browse source 
since upstream(i.e. xiph) doesn't update it since 2018.

locally added NOMINMAX guard as well.
This commit is contained in:
roytam1 2023-08-27 18:05:50 +08:00
commit f1d0742012
14 changed files with 91 additions and 79 deletions
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10
media/libtremor/lib/tremor_sharedbook.c
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@ -16,7 +16,6 @@
********************************************************************/
#include <stdlib.h>
#include <math.h>
#include <string.h>
#include <ogg/ogg.h>
#include "misc.h"
@ -330,7 +329,7 @@ static int sort32a(const void *a,const void *b){
/* decode codebook arrangement is more heavily optimized than encode */
int vorbis_book_init_decode(codebook *c,const static_codebook *s){
int i,j,n=0,tabn;
int *sortindex;
memset(c,0,sizeof(*c));
/* count actually used entries */
@ -355,7 +354,7 @@ int vorbis_book_init_decode(codebook *c,const static_codebook *s){
/* perform sort */
ogg_uint32_t *codes=_make_words(s->lengthlist,s->entries,c->used_entries);
ogg_uint32_t **codep=(ogg_uint32_t **)alloca(sizeof(*codep)*n);
VAR_STACK(ogg_uint32_t *, codep, n);
if(codes==NULL)goto err_out;
@ -366,7 +365,7 @@ int vorbis_book_init_decode(codebook *c,const static_codebook *s){
qsort(codep,n,sizeof(*codep),sort32a);
sortindex=(int *)alloca(n*sizeof(*sortindex));
{ VAR_STACK(int, sortindex, n);
c->codelist=(ogg_uint32_t *)_ogg_malloc(n*sizeof(*c->codelist));
/* the index is a reverse index */
for(i=0;i<n;i++){
@ -391,7 +390,7 @@ int vorbis_book_init_decode(codebook *c,const static_codebook *s){
for(n=0,i=0;i<s->entries;i++)
if(s->lengthlist[i]>0)
c->dec_codelengths[sortindex[n++]]=s->lengthlist[i];
}
c->dec_firsttablen=_ilog(c->used_entries)-4; /* this is magic */
if(c->dec_firsttablen<5)c->dec_firsttablen=5;
if(c->dec_firsttablen>8)c->dec_firsttablen=8;
@ -444,4 +443,3 @@ int vorbis_book_init_decode(codebook *c,const static_codebook *s){
vorbis_book_clear(c);
return(-1);
}