devs/foxbox
1
0
Fork 0
forked from len0rd/rockbox
Code Pull requests Activity

libtremor: merge upstream revisions 17541, 17542, 17543, 17544, 17545, 17546, 17547, 17555, 17572, bringing in various fixes and finally bringing our libtremor up to date, for now.

Browse source 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@28773 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Nils Wallménius 2010-12-08 17:28:17 +00:00
parent aff90a9db7
commit 2aa511f6bd
5 changed files with 25 additions and 15 deletions
Download patch file Download diff file Expand all files Collapse all files

16
apps/codecs/libtremor/codebook.c
View file

@ -380,6 +380,7 @@ long vorbis_book_decode(codebook *book, oggpack_buffer *b){
}
/* returns 0 on OK or -1 on eof *************************************/
/* decode vector / dim granularity gaurding is done in the upper layer */
long vorbis_book_decodevs_add(codebook *book,ogg_int32_t *a,
oggpack_buffer *b,int n,int point){
if(book->used_entries>0){
@ -412,6 +413,7 @@ long vorbis_book_decodevs_add(codebook *book,ogg_int32_t *a,
return(0);
}
/* decode vector / dim granularity gaurding is done in the upper layer */
long vorbis_book_decodev_add(codebook *book,ogg_int32_t *a,
oggpack_buffer *b,int n,int point){
if(book->used_entries>0){
@ -441,6 +443,9 @@ long vorbis_book_decodev_add(codebook *book,ogg_int32_t *a,
return(0);
}
/* unlike the others, we guard against n not being an integer number
of <dim> internally rather than in the upper layer (called only by
floor0) */
long vorbis_book_decodev_set(codebook *book,ogg_int32_t *a,
oggpack_buffer *b,int n,int point){
if(book->used_entries>0){
@ -454,7 +459,7 @@ long vorbis_book_decodev_set(codebook *book,ogg_int32_t *a,
entry = decode_packed_entry_number(book,b);
if(entry==-1)return(-1);
t = book->valuelist+entry*book->dim;
for (j=0;j<book->dim;){
for (j=0;i<n && j<book->dim;){
a[i++]=t[j++]>>shift;
}
}
@ -464,23 +469,22 @@ long vorbis_book_decodev_set(codebook *book,ogg_int32_t *a,
entry = decode_packed_entry_number(book,b);
if(entry==-1)return(-1);
t = book->valuelist+entry*book->dim;
for (j=0;j<book->dim;){
for (j=0;i<n && j<book->dim;){
a[i++]=t[j++]<<shift;
}
}
}
}else{
int i,j;
int i;
for(i=0;i<n;){
for (j=0;j<book->dim;){
a[i++]=0;
}
a[i++]=0;
}
}
return(0);
}
/* decode vector / dim granularity gaurding is done in the upper layer */
static long vorbis_book_decodevv_add_2ch_even(codebook *book,ogg_int32_t **a,
long offset,oggpack_buffer *b,
unsigned int n,int point){

7
apps/codecs/libtremor/floor0.c
View file

@ -330,6 +330,8 @@ static vorbis_info_floor *floor0_unpack (vorbis_info *vi,oggpack_buffer *opb){
for(j=0;j<info->numbooks;j++){
info->books[j]=oggpack_read(opb,8);
if(info->books[j]<0 || info->books[j]>=ci->books)goto err_out;
if(ci->book_param[info->books[j]]->maptype==0)goto err_out;
if(ci->book_param[info->books[j]]->dim<1)goto err_out;
}
return(info);
@ -400,10 +402,9 @@ static void *floor0_inverse1(vorbis_block *vb,vorbis_look_floor *i){
ogg_int32_t last=0;
ogg_int32_t *lsp=(ogg_int32_t *)_vorbis_block_alloc(vb,sizeof(*lsp)*(look->m+1));
for(j=0;j<look->m;j+=b->dim)
if(vorbis_book_decodev_set(b,lsp+j,&vb->opb,b->dim,-24)==-1)goto eop;
if(vorbis_book_decodev_set(b,lsp,&vb->opb,look->m,-24)==-1)goto eop;
for(j=0;j<look->m;){
for(k=0;k<b->dim;k++,j++)lsp[j]+=last;
for(k=0;j<look->m && k<b->dim;k++,j++)lsp[j]+=last;
last=lsp[j-1];
}

9
apps/codecs/libtremor/floor1.c
View file

@ -361,7 +361,7 @@ static void *floor1_inverse1(vorbis_block *vb,vorbis_look_floor *in){
}
}
fit_value[i]=val+predicted;
fit_value[i]=(val+predicted)&0x7fff;;
fit_value[look->loneighbor[i-2]]&=0x7fff;
fit_value[look->hineighbor[i-2]]&=0x7fff;
@ -393,13 +393,18 @@ static int floor1_inverse2(vorbis_block *vb,vorbis_look_floor *in,void *memo,
int hx=0;
int lx=0;
int ly=fit_value[0]*info->mult;
/* guard lookup against out-of-range values */
ly=(ly<0?0:ly>255?255:ly);
for(j=1;j<look->posts;j++){
int current=look->forward_index[j];
int hy=fit_value[current]&0x7fff;
if(hy==fit_value[current]){
hx=info->postlist[current];
hy*=info->mult;
hx=info->postlist[current];
/* guard lookup against out-of-range values */
hy=(hy<0?0:hy>255?255:hy);
render_line(lx, ly, hx, hy, out);

3
apps/codecs/libtremor/res012.c
View file

@ -135,6 +135,7 @@ static vorbis_info_residue *res0_unpack(vorbis_info *vi,oggpack_buffer *opb){
int entries = ci->book_param[info->groupbook]->entries;
int dim = ci->book_param[info->groupbook]->dim;
int partvals = 1;
if (dim<1) goto errout;
while(dim>0){
partvals *= info->partitions;
if(partvals > entries) goto errout;
@ -322,7 +323,7 @@ int res2_inverse(vorbis_block *vb,vorbis_look_residue *vl,
if(s==0){
/* fetch the partition word */
int temp=vorbis_book_decode(look->phrasebook,&vb->opb);
if(temp==-1 || temp>info->partvals)goto eopbreak;
if(temp==-1 || temp>=info->partvals)goto eopbreak;
partword[l]=look->decodemap[temp];
if(partword[l]==NULL)goto errout;
}

3
apps/codecs/libtremor/vorbisfile.c
View file

@ -902,7 +902,7 @@ static int _ov_open1(void *f,OggVorbis_File *vf,const char *initial,
for second stage of seekable stream open; this saves having to
seek/reread first link's serialnumber data then. */
vf->serialnos=_ogg_calloc(serialno_list_size+2,sizeof(*vf->serialnos));
vf->serialnos[0]=vf->current_serialno;
vf->serialnos[0]=vf->current_serialno=vf->os.serialno;
vf->serialnos[1]=serialno_list_size;
memcpy(vf->serialnos+2,serialno_list,serialno_list_size*sizeof(*vf->serialnos));
@ -910,7 +910,6 @@ static int _ov_open1(void *f,OggVorbis_File *vf,const char *initial,
vf->dataoffsets=_ogg_calloc(1,sizeof(*vf->dataoffsets));
vf->offsets[0]=0;
vf->dataoffsets[0]=vf->offset;
vf->current_serialno=vf->os.serialno;
vf->ready_state=PARTOPEN;
}