PeerStreamer

            if (ff_find_stream_index(s, sid) < 0) {

                ff_asf_guid mediatype, subtype, formattype;

                int size;

                    ff_get_guid(pb, &mediatype);

                    ff_get_guid(pb, &subtype);

                    url_fskip(pb, 12);

                    ff_get_guid(pb, &formattype);

                    size = get_le32(pb);

                    parse_media_type(s, 0, sid, mediatype, subtype, formattype, size);

            }

        } else if (!ff_guidcmp(g, stream2_guid)) {

            int stream_index = ff_find_stream_index(s, sid);