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avformat/subviewerdec: 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 a708f65273)
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
This commit is contained in:
Andreas Rheinhardt 2020-06-14 03:27:11 +02:00
parent 1e6a52841c
commit 8bfc38893b
1 changed files with 2 additions and 0 deletions
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2
libavformat/subviewerdec.c
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@ -162,6 +162,8 @@ static int subviewer_read_header(AVFormatContext *s)
ff_subtitles_queue_finalize(s, &subviewer->q);
end:
if (res < 0)
ff_subtitles_queue_clean(&subviewer->q);
av_bprint_finalize(&header, NULL);
return res;
}