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avformat/lrcdec: 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 d38694cea9)
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
This commit is contained in:
Andreas Rheinhardt 2020-06-14 03:12:00 +02:00
parent 3ccbb8c104
commit 24dc184409
1 changed files with 1 additions and 0 deletions
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libavformat/lrcdec.c
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@ -202,6 +202,7 @@ static int lrc_read_header(AVFormatContext *s)
sub = ff_subtitles_queue_insert(&lrc->q, line.str + ts_strlength,
line.len - ts_strlength, 0);
if(!sub) {
ff_subtitles_queue_clean(&lrc->q);
return AVERROR(ENOMEM);
}
sub->pos = pos;