[FFmpeg-cvslog] avformat/oggparseopus: Free opus extradata before reallocating.

[Dale Curtis]

ffmpeg | branch: master | Dale Curtis <dalecurtis at chromium.org> | Tue Nov 28 13:44:49 2017 -0800| [a3a0b5bd0aaae314619d5b41fb918aacd908a5ae] | committer: Michael Niedermayer

avformat/oggparseopus: Free opus extradata before reallocating.

Otherwise ff_alloc_extradata() just leaks any existing allocated
memory.

Signed-off-by: Dale Curtis <dalecurtis at chromium.org>
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=a3a0b5bd0aaae314619d5b41fb918aacd908a5ae
---

 libavformat/oggparseopus.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/libavformat/oggparseopus.c b/libavformat/oggparseopus.c
index f45ad84874..cd34cf23ba 100644
--- a/libavformat/oggparseopus.c
+++ b/libavformat/oggparseopus.c
@@ -62,6 +62,7 @@ static int opus_header(AVFormatContext *avf, int idx)
         /*gain                = AV_RL16(packet + 16);*/
         /*channel_map         = AV_RL8 (packet + 18);*/
 
+        av_freep(&st->codecpar->extradata);
         if (ff_alloc_extradata(st->codecpar, os->psize))
             return AVERROR(ENOMEM);