adding v4l2 support

v4l2/Makefile

@@ -0,0 +1,9 @@
+
+
+COPT = -Wall -fpic -g -DDEBUG_LEVEL=1
+DEPS = ../floatimg.h  ../libfloatimg.a Makefile
+
+
+
+t:	t.c Makefile ${DEPS}
+	gcc ${COPT} $< ../libfloatimg.a -o $@

v4l2/t.c

@@ -0,0 +1,46 @@
+/*
+ *		tests pour capturer les webcams
+ */
+
+#include  <stdio.h>
+#include  <stdlib.h>
+#include  <unistd.h>
+#include  <math.h>
+#include  <string.h>
+
+#include  "floatimg.h"
+
+int		verbosity;
+
+/* --------------------------------------------------------------------- */
+void help(int k)
+{
+puts("Options :");
+puts("\t-d WxH\timage size");
+puts("\t-v\tincrease verbosity");
+exit(0);
+}
+/* --------------------------------------------------------------------- */
+
+int main(int argc, char *argv[])
+{
+int		foo, opt;
+int		W = 800, H = 600;
+double		tb;
+int		K = 0;
+
+while ((opt = getopt(argc, argv, "hK:v")) != -1) {
+	switch(opt) {
+		case 'h':	help(0);		break;
+		case 'K':	K = atol(optarg);	break;
+		case 'v':	verbosity++;		break;
+		}
+	}
+
+if (verbosity) fimg_print_version(0);
+
+return 0;
+}
+/* --------------------------------------------------------------------- */
+
+