subband_coeffs    877 libavcodec/diracdec.c         coef_num = subband_coeffs(s, slice->slice_x, slice->slice_y, i, coeffs_num);
subband_coeffs    953 libavcodec/diracdec.c     coef_buf_size = subband_coeffs(s, s->num_x - 1, s->num_y - 1, 0, tmp) + 8;