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premiere version de l'upscaling qui fonctionne

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Tonton Th
2019-09-03 15:37:49 +02:00
parent d3c1a1f0a2
commit b67d023f0c
4 changed files with 45 additions and 26 deletions
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16
v4l2/rgb2fimg.c
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@@ -5,15 +5,17 @@
#include "funcs.h"
extern int verbosity;
/*
* Be careful, these functions are not yet fireproof,
* and calling conventions are fluctuating.
*/
/* --------------------------------------------------------------------- */
int x_upscaler(unsigned char *src, int w, int h, FloatImg *d)
int x_upscaler_0(unsigned char *src, int w, int h, FloatImg *d)
{
int x, y, xx, yy;
int x, y, xx, yy, ox, oy;
// float *rp, *gp, *bp;
float r, g, b;
static unsigned short modz;
@@ -26,12 +28,16 @@ if ( d->width != w*2 || d->height != h*2 ) {
return -2;
}
// rp = d->R, gp = d->G, bp = d->B;
ox = ! (modz & 2);
oy = ! (modz & 1);
if (verbosity>2) fprintf(stderr, "%s %5d %d %d\n", __func__,
modz, ox, oy);
for (y=0; y<h; y++) {
yy = (y*2) + ! (modz & 1);
yy = (y*2) + oy;
for (x=0; x<w; x++) {
xx = (x*2) + ! (modz & 2);
xx = (x*2) + ox;
r = (float)*src++;
g = (float)*src++;
b = (float)*src++;