oggdec: fix demuxing chained audio streams

Chained ogg served by icecast and mpd should demux
properly now.

Fixes issue2337

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>

1 files changed, 1 insertions, 0 deletions

diff --git a/libavformat/oggdec.h b/libavformat/oggdec.h
index 7d66cd5638..785cd812f9 100644
--- a/libavformat/oggdec.h
+++ b/libavformat/oggdec.h
@@ -75,6 +75,7 @@ struct ogg_stream {
     int incomplete; ///< whether we're expecting a continuation in the next page
     int page_end;   ///< current packet is the last one completed in the page
     int keyframe_seek;
+    int page_begin; ///< set to 1 if the stream only received a begin-of-stream packet, otherwise 0
     void *private;
 };