added FITS support to grabvidseq

.gitignore

@@ -40,6 +40,7 @@ v4l2/grabvidseq
 v4l2/*.o
 v4l2/*.ppm
 v4l2/*.png
+v4l2/*.fits
 v4l2/video-infos
 v4l2/nc-camcontrol
 

funcs/misc-plots.c

@@ -51,8 +51,9 @@ for (x=0; x<fimg->width; x++) {
 	val =  ((double)x / (double)fimg->width) * dval;
 	for (y=0; y<20; y++) {
 		fimg_plot_rgb(fimg, x, k+y, val, val, val);
-		fimg_plot_rgb(fimg, x, k+y+20, 1-val, 1-val, 1-val);
+		fimg_plot_rgb(fimg, x, k+y+20, dval-val, dval-val, dval-val);
 		}
+	// fprintf(stderr, " %6d   %f\n", x, val);
 	}
 
 

v4l2/Makefile

@@ -19,7 +19,8 @@ v4l2_pr_structs.o:	v4l2_pr_structs.c v4l2_pr_structs.h Makefile
 	gcc ${COPT} -c $<
 
 grabvidseq: grabvidseq.c ${DEPS} rgb2fimg.o 
-	gcc ${COPT} $<  rgb2fimg.o ../libfloatimg.a -lpnglite -lz -lm -lv4l2 -o $@
+	gcc ${COPT} $<  rgb2fimg.o ../libfloatimg.a -lpnglite -lz -lm 	\
+		-lcfitsio -lv4l2 -o $@
 
 video-infos: video-infos.c Makefile funcs.o v4l2_pr_structs.o
 	gcc -Wall -g $<  ${LOBJ} ../libfloatimg.a -o $@

v4l2/grabvidseq.c

@@ -51,9 +51,9 @@ int		verbosity;
 
 static void xioctl(int fh, int request, void *arg)
 {
-int r;
+int	r;
 
-do {
+do	{
 	r = v4l2_ioctl(fh, request, arg);
 	} while (r == -1 && ((errno == EINTR) || (errno == EAGAIN)));
 
@@ -393,6 +393,9 @@ switch (foo) {
 	case FILE_TYPE_PNG:
 		foo = fimg_save_as_png(to_save, outfile, 0);
 		break;
+	case FILE_TYPE_FITS:
+		foo = fimg_save_R_as_fits(to_save, outfile, 0);
+		break;
 	default:
 		fprintf(stderr, "can't save as %s\n", outfile);
 		break;

v4l2/t.c

@@ -22,9 +22,9 @@ int		verbosity;
 /* --------------------------------------------------------------------- */
 int essai_get_fmt(char *dev, int k)
 {
-int				vfd, idx, foo;
+int				vfd, foo;
 struct v4l2_format		fmt;
-struct v4l2_requestbuffers      reqbuf;
+// struct v4l2_requestbuffers      reqbuf;
 
 fprintf(stderr, ">>> %s ( '%s' %d )\n", __func__, dev, k);