oggstream: vorbis has a preroll of 2

https://bugzilla.gnome.org/show_bug.cgi?id=656775

diff --git a/ext/ogg/gstoggstream.c b/ext/ogg/gstoggstream.c
index 1b859a2b27ccc5db1dc8a8b354b72d8c71ace445..a0b4e687c626a6f7dba19448f6fb264173732dad 100644 (file)
--- a/ext/ogg/gstoggstream.c
+++ b/ext/ogg/gstoggstream.c
@@ -717,6 +717,7 @@ setup_vorbis_mapper (GstOggStream * pad, ogg_packet * packet)
   pad->granulerate_n = GST_READ_UINT32_LE (data);
   pad->granulerate_d = 1;
   pad->granuleshift = 0;
+  pad->preroll = 2;
   pad->last_size = 0;
   GST_LOG ("sample rate: %d", pad->granulerate_n);