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authorThomas Daede <daede003@umn.edu>2018-03-15 21:47:09 -0700
committerwolfbeast <mcwerewolf@gmail.com>2018-04-19 11:22:17 +0200
commite0013ce52296653ec8cef594e568c9981e5d4a63 (patch)
tree95c90e9a599edec3f134d461dc60d238d6c34dc9 /media/libtremor/lib
parentcfc10b6a6e2f7d2f7153f957bdb59a94be103a03 (diff)
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Bug 1446062: libtremor Vorbis fix. r=jmspeex a=dveditz
--HG-- extra : transplant_source : %D3%CE8%8D%D3%C0%D3%C7%BE%7D%F2m%5DM%E3%A0%E4%0CW%F3
Diffstat (limited to 'media/libtremor/lib')
-rw-r--r--media/libtremor/lib/tremor_codebook.c18
1 files changed, 9 insertions, 9 deletions
diff --git a/media/libtremor/lib/tremor_codebook.c b/media/libtremor/lib/tremor_codebook.c
index f8b798384..1e1ae8a91 100644
--- a/media/libtremor/lib/tremor_codebook.c
+++ b/media/libtremor/lib/tremor_codebook.c
@@ -258,7 +258,7 @@ long vorbis_book_decodevs_add(codebook *book,ogg_int32_t *a,
t[i] = book->valuelist+entry[i]*book->dim;
}
for(i=0,o=0;i<book->dim;i++,o+=step)
- for (j=0;j<step;j++)
+ for (j=0;o+j<n && j<step;j++)
a[o+j]+=t[j][i]>>shift;
}else{
for (i = 0; i < step; i++) {
@@ -267,7 +267,7 @@ long vorbis_book_decodevs_add(codebook *book,ogg_int32_t *a,
t[i] = book->valuelist+entry[i]*book->dim;
}
for(i=0,o=0;i<book->dim;i++,o+=step)
- for (j=0;j<step;j++)
+ for (j=0;o+j<n && j<step;j++)
a[o+j]+=t[j][i]<<-shift;
}
}
@@ -287,7 +287,7 @@ long vorbis_book_decodev_add(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{
@@ -295,7 +295,7 @@ long vorbis_book_decodev_add(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;
}
}
@@ -352,15 +352,15 @@ long vorbis_book_decodevv_add(codebook *book,ogg_int32_t **a,\
long i,j,entry;
int chptr=0;
int shift=point-book->binarypoint;
-
+ int m=offset+n;
if(shift>=0){
- for(i=offset;i<offset+n;){
+ for(i=offset;i<m;){
entry = decode_packed_entry_number(book,b);
if(entry==-1)return(-1);
{
const ogg_int32_t *t = book->valuelist+entry*book->dim;
- for (j=0;j<book->dim;j++){
+ for (j=0;i<m && j<book->dim;j++){
a[chptr++][i]+=t[j]>>shift;
if(chptr==ch){
chptr=0;
@@ -371,12 +371,12 @@ long vorbis_book_decodevv_add(codebook *book,ogg_int32_t **a,\
}
}else{
- for(i=offset;i<offset+n;){
+ for(i=offset;i<m;){
entry = decode_packed_entry_number(book,b);
if(entry==-1)return(-1);
{
const ogg_int32_t *t = book->valuelist+entry*book->dim;
- for (j=0;j<book->dim;j++){
+ for (j=0;i<m && j<book->dim;j++){
a[chptr++][i]+=t[j]<<-shift;
if(chptr==ch){
chptr=0;