RepoMirrors
/
ffmpeg
mirror of https://git.ffmpeg.org/ffmpeg.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

vc1dec: use get_bits_long and limit the read bits to 32 

get_bits should not be used with more than 25 bits.

Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
This commit is contained in:
Andreas Cadhalpun 2015-06-25 22:54:17 +02:00 committed by Luca Barbato
parent 5dbd491eb3
commit 072756cdd2
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/vc1dec.c
View File

@ -444,7 +444,7 @@ static av_cold int vc1_decode_init(AVCodecContext *avctx)
count = avctx->extradata_size*8 - get_bits_count(&gb);
if (count > 0) {
av_log(avctx, AV_LOG_INFO, "Extra data: %i bits left, value: %X\n",
count, get_bits(&gb, count));
count, get_bits_long(&gb, FFMIN(count, 32)));
} else if (count < 0) {
av_log(avctx, AV_LOG_INFO, "Read %i bits in overflow\n", -count);
}