825     int min_order, max_order, opt_order, omethod;  in encode_residual_ch()  local
856     max_order  = s->options.max_prediction_order;  in encode_residual_ch()
862         s->options.lpc_type == FF_LPC_TYPE_FIXED || n <= max_order) {  in encode_residual_ch()
864         if (max_order > MAX_FIXED_ORDER)  in encode_residual_ch()
865             max_order = MAX_FIXED_ORDER;  in encode_residual_ch()
868         for (i = min_order; i <= max_order; i++) {  in encode_residual_ch()
876         if (sub->order != max_order) {  in encode_residual_ch()
885     opt_order = ff_lpc_calc_coefs(&s->lpc_ctx, smp, n, min_order, max_order,  in encode_residual_ch()
897         opt_order       = max_order-1;  in encode_residual_ch()
901             order = min_order + (((max_order-min_order+1) * (i+1)) / levels)-1;  in encode_residual_ch()
902             order = av_clip(order, min_order - 1, max_order - 1);  in encode_residual_ch()
924         for (i = min_order-1; i < max_order; i++) {  in encode_residual_ch()
939         opt_order = min_order - 1 + (max_order-min_order)/3;  in encode_residual_ch()
945                 if (i < min_order-1 || i >= max_order || bits[i] < UINT32_MAX)  in encode_residual_ch()