else
temp1.mant = 0x20000000;
temp1.exp = (temp1.exp >> 1) + 1;
+ if (temp1.exp > 66) { // temp1 > 1E20
+ av_log(NULL, AV_LOG_ERROR, "envelope scalefactor overflow in dequant\n");
+ temp1 = FLOAT_1;
+ }
temp2.exp = (pan_offset - sbr->data[1].env_facs[e][k].mant) * alpha;
if (temp2.exp & 1)
SoftFloat temp1, temp2, fac;
temp1.exp = NOISE_FLOOR_OFFSET - \
- sbr->data[0].noise_facs[e][k].mant + 2;
+ sbr->data[0].noise_facs_q[e][k] + 2;
temp1.mant = 0x20000000;
- temp2.exp = 12 - sbr->data[1].noise_facs[e][k].mant + 1;
+ av_assert0(temp1.exp <= 66);
+ temp2.exp = 12 - sbr->data[1].noise_facs_q[e][k] + 1;
temp2.mant = 0x20000000;
fac = av_div_sf(temp1, av_add_sf(FLOAT_1, temp2));
sbr->data[0].noise_facs[e][k] = fac;
else
temp1.mant = 0x20000000;
temp1.exp = (temp1.exp >> 1) + 1;
-
+ if (temp1.exp > 66) { // temp1 > 1E20
+ av_log(NULL, AV_LOG_ERROR, "envelope scalefactor overflow in dequant\n");
+ temp1 = FLOAT_1;
+ }
sbr->data[ch].env_facs[e][k] = temp1;
}
for (e = 1; e <= sbr->data[ch].bs_num_noise; e++)
for (k = 0; k < sbr->n_q; k++){
sbr->data[ch].noise_facs[e][k].exp = NOISE_FLOOR_OFFSET - \
- sbr->data[ch].noise_facs[e][k].mant + 1;
+ sbr->data[ch].noise_facs_q[e][k] + 1;
sbr->data[ch].noise_facs[e][k].mant = 0x20000000;
}
}