Integrate latest SVOX code drop that affects output signal generation
in the pico library.
diff --git a/pico/lib/picosig2.c b/pico/lib/picosig2.c
index 52943e6..5fb6f1d 100644
--- a/pico/lib/picosig2.c
+++ b/pico/lib/picosig2.c
@@ -412,29 +412,14 @@
* @callgraph
* @callergraph
*/
-void sigDspInitialize(sig_innerobj_t *sig_inObj, picoos_int32 r_mode)
+void sigDspInitialize(sig_innerobj_t *sig_inObj, picoos_int32 resetMode)
{
picoos_int32 i, j;
picoos_int32 *pnt;
- if (r_mode == PICO_RESET_SOFT) {
+ if (resetMode == PICO_RESET_SOFT) {
/*minimal initialization when receiving a soft reset */
return;
- /*
- sig_inObj->voxbnd_p = (picoos_int32) ((picoos_single) sig_inObj->hfftsize_p
- / ((picoos_single) sig_inObj->Fs_p / (picoos_single) 2)
- * (picoos_single) sig_inObj->VCutoff_p);
- sig_inObj->voxbnd2_p
- = (picoos_int32) ((picoos_single) sig_inObj->hfftsize_p
- / ((picoos_single) sig_inObj->Fs_p / (picoos_single) 2)
- * (picoos_single) sig_inObj->UVCutoff_p);
- sig_inObj->nextPeak_p = (((int) (PICODSP_FFTSIZE))
- / ((int) PICODSP_DISPLACE) - 1) * sig_inObj->hop_p;
- for (i = 0; i < 2 * PICODSP_FFTSIZE; i++) {
- sig_inObj->int_vec26[i] = 0;
- }
- return;
- */
}
/*-----------------------------------------------------------------
* Initialization
@@ -794,6 +779,8 @@
picoos_int32 *norm_window; /* - fixed point */
picoos_int32 *fr, *Fr, *Fi, *t1, ff; /* - fixed point */
+ picoos_int32 mx,mn, rat;
+
/*Link local variables with sig object*/
m2 = sig_inObj->m2_p;
m4 = m2 >> 1;
@@ -818,16 +805,56 @@
/*window, normalize and differentiate*/
*E = norm_result(m2, fr, norm_window);
- if (*E > 0)
+ if (*E > 0) {
f = *E * PICODSP_FIXRESP_NORM;
- else
+ } else {
f = 20; /*PICODSP_FIXRESP_NORM*/
+ }
ff = (picoos_int32) f;
if (ff < 1)
ff = 1;
/*normalize impulse response*/
t1 = fr;FAST_DEVICE(PICODSP_FFTSIZE,*(t1++) /= ff;); /* - fixed point */
+
+ mx = mn = 0;
+ t1 = fr;
+ FAST_DEVICE(PICODSP_FFTSIZE,if (*t1>mx) mx=*t1; if (*t1<mn) mn=*t1; t1++;);
+ mn = -mn;
+ if (mx>mn) {
+ rat = mx / (mn>>5); /* ratio * 32*/
+ if (rat > 40) rat = 40; /* 1.25 * 32 */
+ /* now rat is between 32 and 40 */
+ switch (rat) {
+ case 32: /* do nothing */
+ break;
+ case 33:
+ t1 = fr;FAST_DEVICE(PICODSP_FFTSIZE,if (*t1<0) *t1-=(-*t1)>>5; t1++;);
+ break;
+ case 34:
+ t1 = fr;FAST_DEVICE(PICODSP_FFTSIZE,if (*t1<0) *t1-=(-*t1)>>4; t1++;);
+ break;
+ case 35:
+ t1 = fr;FAST_DEVICE(PICODSP_FFTSIZE,if (*t1<0) *t1-=(((-*t1)>>5)+((-*t1)>>4)); t1++;);
+ break;
+ case 36:
+ t1 = fr;FAST_DEVICE(PICODSP_FFTSIZE,if (*t1<0) *t1-=(-*t1)>>3; t1++;);
+ break;
+ case 37:
+ t1 = fr;FAST_DEVICE(PICODSP_FFTSIZE,if (*t1<0) *t1-=(((-*t1)>>5)+((-*t1)>>3)); t1++;);
+ break;
+ case 38:
+ t1 = fr;FAST_DEVICE(PICODSP_FFTSIZE,if (*t1<0) *t1-=(((-*t1)>>4)+((-*t1)>>3)); t1++;);
+ break;
+ case 39:
+ t1 = fr;FAST_DEVICE(PICODSP_FFTSIZE,if (*t1<0) *t1-=(((-*t1)>>5)+((-*t1)>>4) + ((-*t1)>>3)); t1++;);
+ break;
+ case 40:
+ t1 = fr;FAST_DEVICE(PICODSP_FFTSIZE,if (*t1<0) *t1-=(-*t1)>>2; t1++;);
+ break;
+ }
+ }
+
} /* impulse_response */
/**
@@ -4037,6 +4064,10 @@
F0 = sig_inObj->F0_p;
voiced = sig_inObj->voiced_p;
+ if (E>5) E = 4;
+ if (E>1) E *= 2;
+
+
/* shift previous excitation window by hop samples*/
for (nI = 0; nI < sig_inObj->nV; nI++) {
sig_inObj->LocV[nI] = sig_inObj->LocV[nI] - hop;
