memcpy(statbuf, work + 40, 20);
}
-static unsigned int rms(const int *data, int f)
+static unsigned int rms(const int *data, int f, RA144Context *ractx)
{
int x;
unsigned int res = 0x10000;
if (res == 0)
return 0;
- if (res > 0x10000)
- return 0; /* We're screwed, might as well go out with a bang. :P */
+ if (res > 0x10000) {
+ av_log(ractx, AV_LOG_ERROR, "Overflow. Broken sample?\n");
+ return 0;
+ }
while (res <= 0x3fff) {
b++;
* @return 1 if one of the reflection coefficients is of magnitude greater than
* 4095, 0 if not.
*/
-static int eval_refl(const int16_t *coefs, int *refl)
+static int eval_refl(const int16_t *coefs, int *refl, RA144Context *ractx)
{
int retval = 0;
int b, c, i;
u = refl[9] = bp2[9];
- if (u + 0x1000 > 0x1fff)
- return 0; /* We're screwed, might as well go out with a bang. :P */
+ if (u + 0x1000 > 0x1fff) {
+ av_log(ractx, AV_LOG_ERROR, "Overflow. Broken sample?\n");
+ return 0;
+ }
for (c=8; c >= 0; c--) {
if (u == 0x1000)
for (x=0; x<30; x++)
decsp[x] = (a * ractx->lpc_coef[x] + b * ractx->lpc_coef_old[x])>> 2;
- if (eval_refl(decsp, work)) {
+ if (eval_refl(decsp, work, ractx)) {
// The interpolated coefficients are unstable, copy either new or old
// coefficients
if (copynew) {
int_to_int16(decsp, ractx->lpc_coef);
- return rms(ractx->lpc_refl, energy);
+ return rms(ractx->lpc_refl, energy, ractx);
} else {
int_to_int16(decsp, ractx->lpc_coef_old);
- return rms(ractx->lpc_refl_old, energy);
+ return rms(ractx->lpc_refl_old, energy, ractx);
}
} else {
- return rms(work, energy);
+ return rms(work, energy, ractx);
}
}
refl_rms[1] = interp(ractx, block_coefs[1], 1, energy > ractx->old_energy,
t_sqrt(energy*ractx->old_energy) >> 12);
refl_rms[2] = interp(ractx, block_coefs[2], 2, 1, energy);
- refl_rms[3] = rms(ractx->lpc_refl, energy);
+ refl_rms[3] = rms(ractx->lpc_refl, energy, ractx);
int_to_int16(block_coefs[3], ractx->lpc_coef);