highperfocused/ffmpeg
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

avformat/mpegts: make sure mpegts_resync do not run out of the initially requested probe buffer

Browse Source 
Signed-off-by: Marton Balint <cus@passwd.hu>
This commit is contained in:
Marton Balint 2020-09-26 20:30:27 +02:00
parent a3943c4847
commit 2933ee8ff0
1 changed files with 2 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
libavformat/mpegts.c
View File

@ -3051,10 +3051,11 @@ static int mpegts_read_header(AVFormatContext *s)
MpegTSContext *ts = s->priv_data;
AVIOContext *pb = s->pb;
int64_t pos, probesize = s->probesize;
int64_t seekback = FFMAX(s->probesize, (int64_t)ts->resync_size + PROBE_PACKET_MAX_BUF);
s->internal->prefer_codec_framerate = 1;
if (ffio_ensure_seekback(pb, probesize) < 0)
if (ffio_ensure_seekback(pb, seekback) < 0)
av_log(s, AV_LOG_WARNING, "Failed to allocate buffers for seekback\n");
pos = avio_tell(pb);