forked from tTh/FloatImg
don't know how to make the upscaler
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@ -242,7 +242,8 @@ sur la provenance de ces données prétendant être des images.
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En fait, notre désir secret est la découverte des choses cachées du
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monde qui nous entoure. Nous voulons des images du \textbf{réel} et
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pour cela, l'outil le plus commun, le plus répandu,
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est la webcam\index{webcam}. L'universelle webcam.
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est la webcam\index{webcam}. L'universelle webcam. Et l'incontournable
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v4l2.
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% -------------------------------------------------------------------
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\section{Et pour la suite ?}
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@ -7,7 +7,7 @@
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/* --------------------------------------------------------------------- */
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int main(int argc, char *argv[])
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{
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int foo;
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// int foo;
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if (3 != argc) {
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fimg_print_version(1);
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@ -15,6 +15,8 @@ if (3 != argc) {
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exit(1);
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}
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fprintf(stderr, "ah ah ah, no working code here !\n");
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return 0;
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}
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/* --------------------------------------------------------------------- */
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@ -1,6 +1,6 @@
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COPT = -Wall -fpic -g -pg -DDEBUG_LEVEL=1
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COPT = -Wall -fpic -g -pg -no-pie -DDEBUG_LEVEL=1
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DEPS = ../floatimg.h ../libfloatimg.a Makefile
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all: grabvidseq t
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@ -18,7 +18,7 @@ v4l2_pr_structs.o: v4l2_pr_structs.c v4l2_pr_structs.h Makefile
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gcc ${COPT} -c $<
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grabvidseq: grabvidseq.c Makefile rgb2fimg.o
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gcc ${COPT} $< rgb2fimg.o ../libfloatimg.a -lm -lv4l2 -o $@
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gcc ${COPT} $< rgb2fimg.o ../libfloatimg.a -lm -lv4l2 -o $@
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video-infos: video-infos.c Makefile funcs.o v4l2_pr_structs.o
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gcc -Wall -g $< funcs.o v4l2_pr_structs.o -o $@
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@ -38,13 +38,8 @@
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/* --------------------------------------------------------------------- */
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#define CLEAR(x) memset(&(x), 0, sizeof(x))
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struct buffer {
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void *start;
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size_t length;
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@ -194,6 +189,9 @@ foo = fimg_create(&cumul,
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fimg_clear(&cumul);
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#endif
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type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
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xioctl(fd, VIDIOC_STREAMON, &type);
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@ -5,6 +5,32 @@
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#include "funcs.h"
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/* --------------------------------------------------------------------- */
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int x_upscaler(unsigned char *src, int w, int h, FloatImg *d)
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{
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int x, y, xx, yy;
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float *rp, *gp, *bp;
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float r, g, b;
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static unsigned short modz;
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rp = d->R, gp = d->G, bp = d->B;
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for (y=0; y<h; y++) {
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yy = (y*2) + ! (modz & 1);
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for (x=0; x<w; x++) {
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xx = (x*2) + ! (modz & 2);
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r = (float)*src++;
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g = (float)*src++;
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b = (float)*src++;
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fimg_plot_rgb(d, xx, yy, r, g, b);
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}
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}
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modz++;
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return -1;
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}
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/* --------------------------------------------------------------------- */
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int x_rgb2fimg(unsigned char *src, int w, int h, FloatImg *d)
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{
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