virtualenv/FFmpeg
1
0
Fork 0
mirror of https://github.com/FFmpeg/FFmpeg.git synced 2024-12-23 12:43:46 +02:00
Code Issues Releases Activity

ff_lag_rac_init: fix signedness error leading to out of array read.

Browse Source 
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2012-04-15 16:40:49 +02:00
parent 20335598f2
commit 3118e3b137
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
libavcodec/lagarithrac.c
View File

@ -45,7 +45,7 @@ void ff_lag_rac_init(lag_rac *l, GetBitContext *gb, int length)
l->range = 0x80; l->range = 0x80;
l->low = *l->bytestream >> 1; l->low = *l->bytestream >> 1;
l->hash_shift = FFMAX(l->scale - 8, 0); l->hash_shift = FFMAX((int)l->scale - 8, 0);
for (i = j = 0; i < 256; i++) { for (i = j = 0; i < 256; i++) {
unsigned r = i << l->hash_shift; unsigned r = i << l->hash_shift;