SD_GESN_MEDIA_CLASS
pkt->pkt_cdbp[4] = 1 << SD_GESN_MEDIA_CLASS;
((data[2] & SD_GESN_HEADER_CLASS) == SD_GESN_MEDIA_CLASS) &&
((data[3] & (1 << SD_GESN_MEDIA_CLASS)) != 0));
out_data_gesn, gesn_len, 1 << SD_GESN_MEDIA_CLASS);