void mixer::send_sample(uint32_t permchan, sample_number_t sample)
{
filter_number_t _sample = upconvert(sample) * get_input_volume(permchan);
accumulator = accumulator + get_input_filter(permchan)(_sample);
}
int image2xy_run(simplexy_t* s,
int downsample, int downsample_as_required) {
int newW, newH;
anbool free_fimage = FALSE;
// the factor by which to downsample.
int S = downsample ? downsample : 1;
int jj;
anbool tryagain;
int rtn = -1;
if (downsample && downsample > 1) {
logmsg("Downsampling by %i...\n", S);
if (!s->image) {
s->image = upconvert(s->image_u8, s->nx, s->ny);
free_fimage = TRUE;
}
if (!s->image)
goto bailout;
rebin(&s->image, s->nx, s->ny, S, &newW, &newH);
s->nx = newW;
s->ny = newH;
}
do {
simplexy_run(s);
tryagain = FALSE;
if (s->npeaks == 0 &&
downsample_as_required) {
logmsg("Downsampling by 2...\n");
if (s->image_u8) {
s->image = upconvert(s->image_u8, s->nx, s->ny);
if (!s->image)
goto bailout;
free_fimage = TRUE;
s->image_u8 = NULL;
}
rebin(&s->image, s->nx, s->ny, 2, &newW, &newH);
s->nx = newW;
s->ny = newH;
S *= 2;
tryagain = TRUE;
downsample_as_required--;
}
} while (tryagain);
for (jj=0; jj<s->npeaks; jj++) {
assert(isfinite((s->x)[jj]));
assert(isfinite((s->y)[jj]));
// shift the origin to the FITS standard:
// center of the lower-left pixel is (1,1).
(s->x)[jj] = ((s->x)[jj] + 0.5) * (double)S + 0.5;
(s->y)[jj] = ((s->y)[jj] + 0.5) * (double)S + 0.5;
}
dselip_cleanup();
rtn = 0;
bailout:
if (free_fimage) {
free(s->image);
s->image = NULL;
}
return rtn;
}
