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avformat/assdec: 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
or if creating the extradata failed.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
(cherry picked from commit 5ab39c2d8c)
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
This commit is contained in:
Andreas Rheinhardt 2020-06-14 03:07:28 +02:00
parent 24ef2a85a3
commit b0bdd9f16e
1 changed files with 2 additions and 0 deletions
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2
libavformat/assdec.c
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@ -160,6 +160,8 @@ static int ass_read_header(AVFormatContext *s)
ff_subtitles_queue_finalize(s, &ass->q);
end:
if (res < 0)
ass_read_close(s);
av_bprint_finalize(&header, NULL);
av_bprint_finalize(&line, NULL);
av_bprint_finalize(&rline, NULL);