[FFmpeg-cvslog] Close ogg stream upon error when using AV_EF_EXPLODE.

[Dale Curtis]

ffmpeg | branch: release/3.4 | Dale Curtis <dalecurtis at chromium.org> | Mon Nov 20 12:07:57 2017 -0800| [35c7a1df8ae57b7c913f656f594a87bc9e7fab0c] | committer: Michael Niedermayer

Close ogg stream upon error when using AV_EF_EXPLODE.

Without this there can be multiple memory leaks for unrecognized
ogg streams.

Signed-off-by: Dale Curtis <dalecurtis at chromium.org>
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
(cherry picked from commit bce8fc0754c4b31f574a4372c6d7996ed29f7c2a)
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=35c7a1df8ae57b7c913f656f594a87bc9e7fab0c
---

 libavformat/oggdec.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/libavformat/oggdec.c b/libavformat/oggdec.c
index 97ad1a27d1..193a286e43 100644
--- a/libavformat/oggdec.c
+++ b/libavformat/oggdec.c
@@ -719,8 +719,10 @@ static int ogg_read_header(AVFormatContext *s)
                    "Headers mismatch for stream %d: "
                    "expected %d received %d.\n",
                    i, os->codec->nb_header, os->nb_header);
-            if (s->error_recognition & AV_EF_EXPLODE)
+            if (s->error_recognition & AV_EF_EXPLODE) {
+                ogg_read_close(s);
                 return AVERROR_INVALIDDATA;
+            }
         }
         if (os->start_granule != OGG_NOGRANULE_VALUE)
             os->lastpts = s->streams[i]->start_time =