Lines Matching refs:enc_header
142 static int rprobe(AVFormatContext *s, uint8_t *enc_header, unsigned size,
149 if (!enc_header || !r_val ||
160 av_des_crypt(av_des, oc->m_val, &enc_header[48], 1, NULL, 1);
169 av_des_mac(av_des, oc->sm_val, &enc_header[pos], (oc->i_size >> 3));
175 return memcmp(&enc_header[pos], oc->sm_val, 8) ? -1 : 0;
178 static int nprobe(AVFormatContext *s, uint8_t *enc_header, unsigned size,
186 if (!enc_header || !n_val ||
191 if (!memcmp(&enc_header[pos], "EKB ", 4))
197 if (AV_RB32(&enc_header[pos]) != oc->rid)
200 taglen = AV_RB32(&enc_header[pos + 32]);
201 datalen = AV_RB32(&enc_header[pos + 36]) >> 4;
214 av_des_crypt(av_des, oc->r_val, &enc_header[pos], 2, NULL, 1);
216 if (!rprobe(s, enc_header, size, oc->r_val)) {