tTh/FloatImg
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don't know how to make the upscaler

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Tonton Th
2019-08-12 01:53:17 +02:00
parent 5d91e0b73b
commit 411aad94d7
5 changed files with 36 additions and 9 deletions
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4
v4l2/Makefile
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@@ -1,6 +1,6 @@
COPT = -Wall -fpic -g -pg -DDEBUG_LEVEL=1
COPT = -Wall -fpic -g -pg -no-pie -DDEBUG_LEVEL=1
DEPS = ../floatimg.h ../libfloatimg.a Makefile
all: grabvidseq t
@@ -18,7 +18,7 @@ v4l2_pr_structs.o: v4l2_pr_structs.c v4l2_pr_structs.h Makefile
gcc ${COPT} -c $<
grabvidseq: grabvidseq.c Makefile rgb2fimg.o
gcc ${COPT} $< rgb2fimg.o ../libfloatimg.a -lm -lv4l2 -o $@
gcc ${COPT} $< rgb2fimg.o ../libfloatimg.a -lm -lv4l2 -o $@
video-infos: video-infos.c Makefile funcs.o v4l2_pr_structs.o
gcc -Wall -g $< funcs.o v4l2_pr_structs.o -o $@

8
v4l2/grabvidseq.c
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@@ -38,13 +38,8 @@
/* --------------------------------------------------------------------- */
#define CLEAR(x) memset(&(x), 0, sizeof(x))
struct buffer {
void *start;
size_t length;
@@ -194,6 +189,9 @@ foo = fimg_create(&cumul,
fimg_clear(&cumul);
#endif
type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
xioctl(fd, VIDIOC_STREAMON, &type);

26
v4l2/rgb2fimg.c
View File

@@ -5,6 +5,32 @@
#include "funcs.h"
/* --------------------------------------------------------------------- */
int x_upscaler(unsigned char *src, int w, int h, FloatImg *d)
{
int x, y, xx, yy;
float *rp, *gp, *bp;
float r, g, b;
static unsigned short modz;
rp = d->R, gp = d->G, bp = d->B;
for (y=0; y<h; y++) {
yy = (y*2) + ! (modz & 1);
for (x=0; x<w; x++) {
xx = (x*2) + ! (modz & 2);
r = (float)*src++;
g = (float)*src++;
b = (float)*src++;
fimg_plot_rgb(d, xx, yy, r, g, b);
}
}
modz++;
return -1;
}
/* --------------------------------------------------------------------- */
int x_rgb2fimg(unsigned char *src, int w, int h, FloatImg *d)
{