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

ffmpeg: Add sanity check on frame duplication 

This prevents long loops and OOM in case of damaged timestamps in some
cases

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2012-07-04 03:48:36 +02:00
parent a54bc1ebb8
commit df3a96c497
1 changed files with 5 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
ffmpeg.c
View File

@ -1770,6 +1770,11 @@ static void do_video_out(AVFormatContext *s,
av_log(NULL, AV_LOG_VERBOSE, "*** drop!\n");
return;
} else if (nb_frames > 1) {
if (nb_frames > dts_error_threshold * 30) {
av_log(NULL, AV_LOG_ERROR, "%d frame duplication too large, skiping\n", nb_frames - 1);
nb_frames_drop++;
return;
}
nb_frames_dup += nb_frames - 1;
av_log(NULL, AV_LOG_VERBOSE, "*** %d dup!\n", nb_frames - 1);
}