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optimize cumul videograb

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Tonton Th
2019-08-15 05:50:40 +02:00
parent 4ea5294009
commit d11947bd7c
3 changed files with 28 additions and 3 deletions
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21
v4l2/rgb2fimg.c
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@@ -9,11 +9,11 @@
int x_upscaler(unsigned char *src, int w, int h, FloatImg *d)
{
int x, y, xx, yy;
float *rp, *gp, *bp;
// float *rp, *gp, *bp;
float r, g, b;
static unsigned short modz;
rp = d->R, gp = d->G, bp = d->B;
// rp = d->R, gp = d->G, bp = d->B;
for (y=0; y<h; y++) {
yy = (y*2) + ! (modz & 1);
@@ -49,6 +49,23 @@ for (iter=0; iter<size; iter++) {
return 0;
}
/* --------------------------------------------------------------------- */
/* --------------------------------------------------------------------- */
int x_add_rgb2fimg(unsigned char *src, int w, int h, FloatImg *d)
{
int iter, size;
float *rp, *gp, *bp;
size = w * h;
rp = d->R, gp = d->G, bp = d->B;
for (iter=0; iter<size; iter++) {
*rp++ += (float)*src++;
*gp++ += (float)*src++;
*bp++ += (float)*src++;
}
return 0;
}
int x_rgb2file(unsigned char *src, int w, int h, char *fname)
{
FloatImg buff;