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Update libvorbis from 1.3.4 to 1.3.5

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This commit is contained in:
Zack Middleton 2017-05-23 10:11:30 -05:00
parent d87bd792c3
commit bba263d634
15 changed files with 342 additions and 263 deletions
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43
code/libvorbis-1.3.4/lib/floor1.c
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@ -5,13 +5,13 @@
* GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2009 *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2015 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* *
********************************************************************
function: floor backend 1 implementation
last mod: $Id: floor1.c 19031 2013-12-03 19:20:50Z tterribe $
last mod: $Id: floor1.c 19457 2015-03-03 00:15:29Z giles $
********************************************************************/
@ -72,25 +72,6 @@ static void floor1_free_look(vorbis_look_floor *i){
}
}
static int ilog(unsigned int v){
int ret=0;
while(v){
ret++;
v>>=1;
}
return(ret);
}
static int ilog2(unsigned int v){
int ret=0;
if(v)--v;
while(v){
ret++;
v>>=1;
}
return(ret);
}
static void floor1_pack (vorbis_info_floor *i,oggpack_buffer *opb){
vorbis_info_floor1 *info=(vorbis_info_floor1 *)i;
int j,k;
@ -117,8 +98,10 @@ static void floor1_pack (vorbis_info_floor *i,oggpack_buffer *opb){
/* save out the post list */
oggpack_write(opb,info->mult-1,2); /* only 1,2,3,4 legal now */
oggpack_write(opb,ilog2(maxposit),4);
rangebits=ilog2(maxposit);
/* maxposit cannot legally be less than 1; this is encode-side, we
can assume our setup is OK */
oggpack_write(opb,ov_ilog(maxposit-1),4);
rangebits=ov_ilog(maxposit-1);
for(j=0,k=0;j<info->partitions;j++){
count+=info->class_dim[info->partitionclass[j]];
@ -854,9 +837,9 @@ int floor1_encode(oggpack_buffer *opb,vorbis_block *vb,
/* beginning/end post */
look->frames++;
look->postbits+=ilog(look->quant_q-1)*2;
oggpack_write(opb,out[0],ilog(look->quant_q-1));
oggpack_write(opb,out[1],ilog(look->quant_q-1));
look->postbits+=ov_ilog(look->quant_q-1)*2;
oggpack_write(opb,out[0],ov_ilog(look->quant_q-1));
oggpack_write(opb,out[1],ov_ilog(look->quant_q-1));
/* partition by partition */
@ -872,7 +855,9 @@ int floor1_encode(oggpack_buffer *opb,vorbis_block *vb,
/* generate the partition's first stage cascade value */
if(csubbits){
int maxval[8] = {0};
int maxval[8]={0,0,0,0,0,0,0,0}; /* gcc's static analysis
issues a warning without
initialization */
for(k=0;k<csub;k++){
int booknum=info->class_subbook[class][k];
if(booknum<0){
@ -980,8 +965,8 @@ static void *floor1_inverse1(vorbis_block *vb,vorbis_look_floor *in){
if(oggpack_read(&vb->opb,1)==1){
int *fit_value=_vorbis_block_alloc(vb,(look->posts)*sizeof(*fit_value));
fit_value[0]=oggpack_read(&vb->opb,ilog(look->quant_q-1));
fit_value[1]=oggpack_read(&vb->opb,ilog(look->quant_q-1));
fit_value[0]=oggpack_read(&vb->opb,ov_ilog(look->quant_q-1));
fit_value[1]=oggpack_read(&vb->opb,ov_ilog(look->quant_q-1));
/* partition by partition */
for(i=0,j=2;i<info->partitions;i++){