RepoMirrors/ffmpeg
1
0
Fork 0
mirror of https://git.ffmpeg.org/ffmpeg.git synced 2024-12-23 15:53:08 +00:00
Code Issues Projects Releases Wiki Activity

wav: Add check for 'fmt' tag in SMV code

Browse Source 
If there is a 'SMV0' tag, but no 'fmt' tag, it is possible that
'st' got used as NULL.

Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
This commit is contained in:
Derek Buitenhuis 2012-07-16 14:17:52 -04:00
parent 4f4eb380f0
commit 5ab855777d
1 changed files with 4 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
libavformat/wav.c
View File

@ -480,6 +480,10 @@ static int wav_read_header(AVFormatContext *s)
return ret;
break;
case MKTAG('S','M','V','0'):
if (!got_fmt) {
av_log(s, AV_LOG_ERROR, "found no 'fmt ' tag before the 'SMV0' tag\n");
return AVERROR_INVALIDDATA;
}
// SMV file, a wav file with video appended.
if (size != MKTAG('0','2','0','0')) {
av_log(s, AV_LOG_ERROR, "Unknown SMV version found\n");