int *sizes = (int *)malloc(sizeof(int));
      sizes[0] = 63;
      
      /* Intra Y */
      pbi->quant_info.qi_ranges[0][0].base_matrices = (th_quant_base *)malloc(sizeof(th_quant_base));
      memcpy(pbi->quant_info.qi_ranges[0][0].base_matrices, Y_coeffs, sizeof(Y_coeffs));
      pbi->quant_info.qi_ranges[0][0].sizes = sizes;
      pbi->quant_info.qi_ranges[0][0].nranges = 0;