[vlc-commits] demux: ogg: don't use incomplete vorbis headers (fix #12270)

Francois Cartegnie git at videolan.org
Tue Sep 23 15:31:45 CEST 2014


vlc | branch: master | Francois Cartegnie <fcvlcdev at free.fr> | Tue Sep 23 14:58:29 2014 +0200| [35133fe70b28dc91b38a650ee9398cf68d8f119d] | committer: Francois Cartegnie

demux: ogg: don't use incomplete vorbis headers (fix #12270)

> http://git.videolan.org/gitweb.cgi/vlc.git/?a=commit;h=35133fe70b28dc91b38a650ee9398cf68d8f119d
---

 modules/demux/ogg.c |    5 +++++
 1 file changed, 5 insertions(+)

diff --git a/modules/demux/ogg.c b/modules/demux/ogg.c
index d4b84c2..bd3b449 100644
--- a/modules/demux/ogg.c
+++ b/modules/demux/ogg.c
@@ -516,6 +516,11 @@ static int Demux( demux_t * p_demux )
 #ifdef HAVE_LIBVORBIS
                 case VLC_CODEC_VORBIS:
                 {
+                    if( p_stream->special.vorbis.b_invalid )
+                    {
+                        msg_Err( p_demux, "missing vorbis headers, can't compute block size" );
+                        break;
+                    }
                     long i_blocksize = vorbis_packet_blocksize(
                                 p_stream->special.vorbis.p_info, &dumb_packet );
                     if ( i_prev_blocksize )



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