[FFmpeg-cvslog] avformat/subviewer1dec: Fix memleak upon read header failure
Andreas Rheinhardt
git at videolan.org
Fri Jul 3 16:09:30 EEST 2020
ffmpeg | branch: release/3.3 | Andreas Rheinhardt <andreas.rheinhardt at gmail.com> | Sun Jun 14 03:26:40 2020 +0200| [1cf9ba634e0ddc4763e4956a637578e7cb8700fe] | committer: Andreas Rheinhardt
avformat/subviewer1dec: 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 at gmail.com>
(cherry picked from commit 9751d7515222c7b58d0c6fb31aec6e0464c0f338)
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt at gmail.com>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=1cf9ba634e0ddc4763e4956a637578e7cb8700fe
---
libavformat/subviewer1dec.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/libavformat/subviewer1dec.c b/libavformat/subviewer1dec.c
index e579d1ca9a..90a430404b 100644
--- a/libavformat/subviewer1dec.c
+++ b/libavformat/subviewer1dec.c
@@ -77,8 +77,10 @@ static int subviewer1_read_header(AVFormatContext *s)
sub->duration = pts_start - sub->pts;
} else {
sub = ff_subtitles_queue_insert(&subviewer1->q, line, len, 0);
- if (!sub)
+ if (!sub) {
+ ff_subtitles_queue_clean(&subviewer1->q);
return AVERROR(ENOMEM);
+ }
sub->pos = pos;
sub->pts = pts_start;
sub->duration = -1;
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