197                     ft->header_idx = find_header_idx(s, par, -1, key_frame);  in build_frame_code()
223                     ft->header_idx = find_header_idx(s, par, frame_bytes + pred, key_frame);  in build_frame_code()
270                     ft->header_idx = find_header_idx(s, par, -1, key_frame);  in build_frame_code()
381         if (tmp_head_idx != nut->frame_code[i].header_idx) tmp_fields = 8;  in write_mainheader()
389         tmp_head_idx = nut->frame_code[i].header_idx;  in write_mainheader()
402                 nut->frame_code[i].header_idx != tmp_head_idx)  in write_mainheader()
801     if (fc->header_idx)  in get_needed_flags()
802         if (pkt->size < nut->header_len[fc->header_idx] ||  in get_needed_flags()
804             memcmp(pkt->data, nut->header    [fc->header_idx],  in get_needed_flags()
805                               nut->header_len[fc->header_idx]))  in get_needed_flags()
960     int best_length, frame_code, flags, needed_flags, i, header_idx;  in nut_write_packet()  local
1103             && nut->header_len[best_header_idx] > nut->header_len[fc->header_idx] + 1) {  in nut_write_packet()
1110             length -= nut->header_len[fc->header_idx];  in nut_write_packet()
1127     header_idx   = fc->header_idx;  in nut_write_packet()
1138     if (flags & FLAG_HEADER_IDX) put_v(bc, header_idx = best_header_idx);  in nut_write_packet()
1146 …  avio_write(bc, pkt->data + nut->header_len[header_idx], pkt->size - nut->header_len[header_idx]);  in nut_write_packet()