allons plutot boire un casanis...

.gitignore

@@ -25,3 +25,4 @@ tools/mkfimg
 tools/png2fimg
 tools/addtga2fimg
 tools/addpnm2fimg
+tools/cumulfimgs

floatimg.h

@@ -2,7 +2,7 @@
  *	floatimg.h
  */
 
-#define		FIMG_VERSION	60
+#define		FIMG_VERSION	61
 
 /*
  *	in memory descriptor

tools/Makefile

@@ -3,34 +3,37 @@
 #	use with caution
 #
 
-COPT = -Wall -fpic -g -DDEBUG_LEVEL=1
+COPT = -Wall -fpic -g -DDEBUG_LEVEL=0
 DEPS = ../floatimg.h  ../libfloatimg.a Makefile
 
 # 			----------
 
 all:	fimg2pnm addtga2fimg mkfimg png2fimg fimgstats fimg2png	\
-	addpnm2fimg
+	addpnm2fimg cumulfimgs
 
 fimgstats:	fimgstats.c $(DEPS)
-	gcc -g $< ../libfloatimg.a -o $@ 
+	gcc $(COPT) $< ../libfloatimg.a -o $@ 
+
+cumulfimgs:	cumulfimgs.c $(DEPS)
+	gcc $(COPT) $< ../libfloatimg.a -o $@ 
 
 mkfimg:		mkfimg.c  $(DEPS)
-	gcc -g $< ../libfloatimg.a -o $@ 
+	gcc $(COPT) $< ../libfloatimg.a -o $@ 
 
 fimg2pnm:	fimg2pnm.c  $(DEPS)
-	gcc -g $< ../libfloatimg.a -o $@ 
+	gcc $(COPT) $< ../libfloatimg.a -o $@ 
 
 fimg2png:	fimg2png.c  $(DEPS)
-	gcc -g $< ../libfloatimg.a -o $@ 
+	gcc $(COPT) $< ../libfloatimg.a -o $@ 
 
 addtga2fimg:	addtga2fimg.c  $(DEPS)
-	gcc -g $< ../libfloatimg.a -limageSO -lm -o $@
+	gcc $(COPT) $< ../libfloatimg.a -limageSO -lm -o $@
 
 addpnm2fimg:	addpnm2fimg.c  $(DEPS)
-	gcc -g $< ../libfloatimg.a -lm -o $@
+	gcc $(COPT) $< ../libfloatimg.a -lm -o $@
 
 
 # if "undefined reference to crc32" then "use -lz"
 png2fimg:	png2fimg.c  $(DEPS)
-	gcc -g $< ../libfloatimg.a -lpnglite -o $@
+	gcc $(COPT) $< ../libfloatimg.a -lpnglite -o $@
 

tools/cumulfimgs.c

@@ -0,0 +1,34 @@
+#include  <stdio.h>
+#include  <stdlib.h>
+#include  <unistd.h>
+
+#include  "../floatimg.h"
+
+int		verbosity;
+/* --------------------------------------------------------------------- */
+void help(int v)
+{
+puts("options :");
+puts("\t-v\tincrease verbosity");
+puts("\t-o\tname of output file");
+
+if (verbosity) { puts(""); fimg_print_version(1); }
+}
+/* --------------------------------------------------------------------- */
+int main(int argc, char *argv[])
+{
+int		foo;
+int		opt;
+char		*output_file = "noname.fimg";
+
+while ((opt = getopt(argc, argv, "ho:v")) != -1) {
+	switch(opt) {
+		case 'h':	help(0);			break;
+		case 'o':	output_file = optarg;		break;
+		case 'v':	verbosity++;			break;
+		}
+	}
+
+return 0;
+}
+/* --------------------------------------------------------------------- */

tools/fimg2pnm.c

@@ -1,3 +1,7 @@
+/*
+ *	conversion vers le format PNM 
+ *
+ */
 #include  <stdio.h>
 #include  <stdlib.h>
 #include  <unistd.h>
@@ -60,3 +64,4 @@ if (foo) fprintf(stderr, "conversion -> %d\n", foo);
 
 return 0;
 }
+/* --------------------------------------------------------------------- */

tools/mkfimg.c

@@ -20,14 +20,13 @@ if (4 != argc) {
 	}
 fname = argv[1];
 width = atoi(argv[2]);		height = atoi(argv[3]);	
-fprintf(stderr, "making  %s  %d x %d\n", fname, width, height);
+fprintf(stderr, "making  '%s'  %d x %d\n", fname, width, height);
 
 foo = fimg_create(&fimg, width, height, 3);
 if (foo) {
 	fprintf(stderr, "create floatimg -> %d\n", foo);
 	exit(1);
 	}
-// fimg_describe(&fimg, "just a black flimg");
 fimg_clear(&fimg);
 
 foo = fimg_dump_to_file(&fimg, fname, 0);

v4l2/t.c

@@ -7,6 +7,7 @@
 #include  <unistd.h>
 #include  <math.h>
 #include  <string.h>
+#include  <sys/ioctl.h>
 
 #include  <linux/videodev2.h>
 
@@ -23,6 +24,7 @@ int essai(char *dev, int k)
 {
 int				vfd, foo;
 struct v4l2_format		fmt;
+struct v4l2_requestbuffers      reqbuf;
 
 fprintf(stderr, ">>> %s ( '%s' %d )\n", __func__, dev, k);
 
@@ -40,6 +42,19 @@ fmt.fmt.pix.field       = V4L2_FIELD_INTERLACED;
 
 pr_v4l2_format("before ioctl", &fmt);
 
+foo = ioctl(vfd, VIDIOC_S_FMT, &fmt);
+fprintf(stderr, "ioctl -> %d\n", foo);
+if (foo < 0)	{
+	perror("ioctl S_FMT");
+	exit(1);
+	}
+
+pr_v4l2_format("after ioctl", &fmt);
+
+/*        todo V4L2_BUF_TYPE_VIDEO_CAPTURE */
+memset(&reqbuf, 0, sizeof(reqbuf));
+pr_v4l2_requestbuffers("after 0", &reqbuf);
+
 
 return k;
 }
@@ -58,6 +73,9 @@ puts("\t-d\tselect the video device");
 puts("\t-K\tset the K parameter");
 puts("\t-l\tlist video devices");
 puts("\t-v\tincrease verbosity");
+
+if (verbosity) { puts(""); fimg_print_version(1); }
+
 exit(0);
 }
 /* --------------------------------------------------------------------- */

v4l2/v4l2_pr_structs.c

@@ -52,7 +52,7 @@ return 0;
 /* --------------------------------------------------------------------- */
 int pr_v4l2_requestbuffers(char *txt, struct v4l2_requestbuffers *ptr)
 {
-fprintf(FP, "-- v4l2_requestbuffers, at %p\n", ptr);
+fprintf(FP, "-- v4l2_requestbuffers, %s %p\n", txt, ptr);
 fprintf(FP, "   type %d\n", ptr->type);		/* enum v4l2_buf_type */