s->decoded[channel][i] = get_bits(&s->gb, s->curr_bps); printf("    %d: %d\n", i, s->decoded[channel][i]);
s->decoded[channel][i] = get_sbits(&s->gb, s->curr_bps);
static int decode_subframe_lpc(FLACContext *s, int channel, int pred_order){    int sum, i, j;    int coeff_prec, qlevel;    int coeffs[pred_order];            printf("  SUBFRAME LPC\n");            /* warm up samples */    printf("   warm up samples: %d\n", pred_order);            for (i = 0; i < pred_order; i++)    {        s->decoded[channel][i] = get_bits(&s->gb, s->curr_bps);        printf("    %d: %d\n", i, s->decoded[channel][i]);    }        coeff_prec = get_bits(&s->gb, 4) + 1;    if (coeff_prec == 16)    {        printf("invalid coeff precision\n");        return -1;    }    printf("   qlp coeff prec: %d\n", coeff_prec);    qlevel = get_bits(&s->gb, 5);    printf("   quant level: %d\n", qlevel);        for (i = 0; i < pred_order; i++)    {        coeffs[i] = get_bits(&s->gb, coeff_prec);        printf("    %d: %d\n", i, coeffs[i]);    }        if (decode_residuals(s, channel, pred_order) < 0)        return -1;    for (i = pred_order; i < s->blocksize; i++)    {        sum = 0;        for (j = 0; j < pred_order; j++)            sum += coeffs[j] * s->decoded[channel][i-j-1];        s->decoded[channel][i] = s->residual[channel][i] + (sum >> qlevel);    }        return 0;}