virtualenv/FFmpeg
1
0
Fork 0
mirror of https://github.com/FFmpeg/FFmpeg.git synced 2024-12-28 20:53:54 +02:00
Code Issues Releases Activity

avcodec/dcadec: Check nchans

Browse Source 
Fixes CID1239110

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2015-05-14 20:49:25 +02:00
parent cc5e4bb484
commit a6a45774d0
1 changed files with 8 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
libavcodec/dcadec.c
View File

@ -229,6 +229,14 @@ static int dca_parse_audio_coding_header(DCAContext *s, int base_channel,
}
nchans = get_bits(&s->gb, 3) + 1;
if (xxch && nchans >= 3) {
av_log(s->avctx, AV_LOG_ERROR, "nchans %d is too large\n", nchans);
return AVERROR_INVALIDDATA;
} else if (nchans + base_channel > DCA_PRIM_CHANNELS_MAX) {
av_log(s->avctx, AV_LOG_ERROR, "channel sum %d + %d is too large\n", nchans, base_channel);
return AVERROR_INVALIDDATA;
}
s->total_channels = nchans + base_channel;
s->prim_channels = s->total_channels;