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avformat/pjsdec: Fix memleak upon read header failure 

The already parsed subtitles (contained in an FFDemuxSubtitlesQueue)
would leak if an error happened upon reading a subsequent subtitle.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
(cherry picked from commit 9df560e898)
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
This commit is contained in:
Andreas Rheinhardt 2020-06-14 03:21:03 +02:00
parent 9542691e95
commit bdde2f25ed
1 changed files with 3 additions and 1 deletions
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4
libavformat/pjsdec.c
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@ -94,8 +94,10 @@ static int pjs_read_header(AVFormatContext *s)
p[strcspn(p, "\"")] = 0;
sub = ff_subtitles_queue_insert(&pjs->q, p, strlen(p), 0);
if (!sub)
if (!sub) {
ff_subtitles_queue_clean(&pjs->q);
return AVERROR(ENOMEM);
}
sub->pos = pos;
sub->pts = pts_start;
sub->duration = duration;