ffmpeg binaries for chromium ogg data patch ...

patches/from_upstream/20_r25798_ogg_data_offset.patch

+diff -wurp -N orig/libavformat/oggdec.c ffmpeg-mt/libavformat/oggdec.c
+--- orig/libavformat/oggdec.c   2010-11-29 08:28:58 -0800
++++ ffmpeg-mt/libavformat/oggdec.c      2010-11-29 08:29:07 -0800
+@@ -383,9 +383,27 @@ ogg_packet (AVFormatContext * s, int *st
+         if (!os->header){
+             os->segp = segp;
+             os->psize = psize;
+-            if (!ogg->headers)
+-                s->data_offset = os->sync_pos;
++
++            // We've reached the first non-header packet. All header
++            // packets must be complete before the first non-header
++            // one, so everything that follows must be non-header.
+             ogg->headers = 1;
++
++            // Update the header state for all streams and
++            // compute the data_offset.
++            s->data_offset = os->sync_pos;
++            for (i = 0; i < ogg->nstreams; i++) {
++                struct ogg_stream *cur_os = ogg->streams + i;
++                // Set stream header state to 0 if its last packet
++                // was a header.
++                if (cur_os->header > 0)
++                    cur_os->header = 0;
++
++                // if we have a partial non-header packet, its start is
++                // obviously at or after the data start.
++                if (cur_os->incomplete)
++                    s->data_offset = FFMIN(s->data_offset, cur_os->sync_pos);
++            }
+         }else{
+             os->pstart += os->psize;
+             os->psize = 0;