av_des_mac        159 libavformat/omadec.c     av_des_mac(av_des, oc->sm_val, &enc_header[pos], (oc->i_size >> 3));
av_des_mac         71 libavutil/des.h void av_des_mac(struct AVDES *d, uint8_t *dst, const uint8_t *src, int count);