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avformat/sccdec: 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 f3c63e67bb)
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
This commit is contained in:
Andreas Rheinhardt 2020-06-14 03:22:32 +02:00
parent c334959666
commit 7f46b16cb2
1 changed files with 4 additions and 1 deletions
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5
libavformat/sccdec.c
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@ -132,7 +132,7 @@ static int scc_read_header(AVFormatContext *s)
sub = ff_subtitles_queue_insert(&scc->q, out, i, 0);
if (!sub)
return AVERROR(ENOMEM);
goto fail;
sub->pos = pos;
sub->pts = ts_start;
@ -144,6 +144,9 @@ static int scc_read_header(AVFormatContext *s)
ff_subtitles_queue_finalize(s, &scc->q);
return ret;
fail:
ff_subtitles_queue_clean(&scc->q);
return AVERROR(ENOMEM);
}
static int scc_read_packet(AVFormatContext *s, AVPacket *pkt)