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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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24
code/libvorbis-1.3.4/lib/mapping0.c
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@ -11,7 +11,7 @@
********************************************************************
function: channel mapping 0 implementation
last mod: $Id: mapping0.c 17022 2010-03-25 03:45:42Z xiphmont $
last mod: $Id: mapping0.c 19441 2015-01-21 01:17:41Z xiphmont $
********************************************************************/
@ -45,16 +45,6 @@ static void mapping0_free_info(vorbis_info_mapping *i){
}
}
static int ilog(unsigned int v){
int ret=0;
if(v)--v;
while(v){
ret++;
v>>=1;
}
return(ret);
}
static void mapping0_pack(vorbis_info *vi,vorbis_info_mapping *vm,
oggpack_buffer *opb){
int i;
@ -78,8 +68,8 @@ static void mapping0_pack(vorbis_info *vi,vorbis_info_mapping *vm,
oggpack_write(opb,info->coupling_steps-1,8);
for(i=0;i<info->coupling_steps;i++){
oggpack_write(opb,info->coupling_mag[i],ilog(vi->channels));
oggpack_write(opb,info->coupling_ang[i],ilog(vi->channels));
oggpack_write(opb,info->coupling_mag[i],ov_ilog(vi->channels-1));
oggpack_write(opb,info->coupling_ang[i],ov_ilog(vi->channels-1));
}
}else
oggpack_write(opb,0,1);
@ -104,6 +94,7 @@ static vorbis_info_mapping *mapping0_unpack(vorbis_info *vi,oggpack_buffer *opb)
vorbis_info_mapping0 *info=_ogg_calloc(1,sizeof(*info));
codec_setup_info *ci=vi->codec_setup;
memset(info,0,sizeof(*info));
if(vi->channels<=0)goto err_out;
b=oggpack_read(opb,1);
if(b<0)goto err_out;
@ -119,8 +110,11 @@ static vorbis_info_mapping *mapping0_unpack(vorbis_info *vi,oggpack_buffer *opb)
info->coupling_steps=oggpack_read(opb,8)+1;
if(info->coupling_steps<=0)goto err_out;
for(i=0;i<info->coupling_steps;i++){
int testM=info->coupling_mag[i]=oggpack_read(opb,ilog(vi->channels));
int testA=info->coupling_ang[i]=oggpack_read(opb,ilog(vi->channels));
/* vi->channels > 0 is enforced in the caller */
int testM=info->coupling_mag[i]=
oggpack_read(opb,ov_ilog(vi->channels-1));
int testA=info->coupling_ang[i]=
oggpack_read(opb,ov_ilog(vi->channels-1));
if(testM<0 ||
testA<0 ||