gros manquements ergonomiques

doc/the_floatimg_hack.tex

@@ -200,9 +200,10 @@ dans \texttt{floatimg.h}. Les codes d'erreur sont disparates
 et non documenté.
 \vspace{1em}
 
-Bon, vous avez une image latente, et vous souhaitez dessiner dessus
-(ou dedans ?) avec vos encres flottantes ?
-Il y a une fonction pour ça.
+
+Bon, vous avez une image latente, et
+vous souhaité dessiner dessus (ou dedans ?) avec vos encres
+flottantes ?
 
 \subsection{funcs/}\index{funcs/}\label{funcs}
 

essai.c

@@ -14,11 +14,21 @@
 int		verbosity;
 
 /* --------------------------------------------------------------------- */
-void fait_un_dessin(FloatImg *dessin)
+void fait_un_dessin(char *fname)
 {
+FloatImg	dessin;
+double		tb;
 
-fimg_draw_something(dessin);
+puts("");
+fimg_timer_set(0);
+fimg_create(&dessin, 3200, 2400, 3);
+fimg_draw_something(&dessin);
+fimg_dump_to_file(&dessin, "dessin.fimg", 0);
+fimg_destroy(&dessin);
+tb = fimg_timer_get(0);
+fprintf(stderr, "%s = %f seconds\n", __func__, tb);
 
+puts("");
 }
 /* --------------------------------------------------------------------- */
 void help(int k)
@@ -50,17 +60,10 @@ if (verbosity) fimg_print_version(0);
 fimg_create(&fimgA, W, H, 3);
 fimg_create(&fimgB, W, H, 3);
 
-fimg_drand48(&fimgB, 100.0);
 fimg_timer_set(0);
-#define NBP 500
-for (foo=0; foo<NBP; foo++) {
-	if (verbosity) {
-		printf("%5d / %5d\n", foo, NBP);
-		}
-	fait_un_dessin(&fimgB);
+fimg_drand48(&fimgB, 100.0);
+fimg_drand48(&fimgA, 100.0);
 fimg_add(&fimgA, &fimgB, &fimgA);
-	fimg_mul(&fimgA, &fimgB, &fimgA);
-	}
 tb = fimg_timer_get(0);
 fprintf(stderr, "%s = %f seconds\n", __func__, tb);
 foo = fimg_save_as_pnm(&fimgA, "drand48.pnm", 0);

funcs/fimg-tiff.c

@@ -9,11 +9,4 @@
 
 /* --------------------------------------------------------------------- */
 /* --------------------------------------------------------------------- */
-int essai_ecrire_tiff(FloatImg *src, char *fname)
-{
-
-		/* bon, tout cela semble bien tortueux ! */
-
-return 0;
-}
 /* --------------------------------------------------------------------- */

lib/Makefile

@@ -2,7 +2,7 @@
 #	building the base library
 #
 
-COPT = -Wall -fpic -g -no-pie -pg  -DDEBUG_LEVEL=0
+COPT = -Wall -fpic -g -no-pie  -DDEBUG_LEVEL=0
 OBJS = fimg-core.o fimg-pnm.o fimg-file.o fimg-math.o	\
 	fimg-timers.o operators.o fimg-2gray.o
 DEPS = Makefile ../floatimg.h

lib/fimg-math.c

@@ -117,16 +117,9 @@ int		nbre, idx;
 fprintf(stderr, ">>> %s ( %p %g )\n", __func__, fi, kmul);
 #endif
 
-if (fi->type != FIMG_TYPE_RGB) {
-	fprintf(stderr, "%s : type %d invalide\n",
-				__func__, fi->type);
-	return;
-	}
-nbre = fi->width * fi->height;
+nbre = fi->width * fi->height * fi->type;
 for (idx=0; idx<nbre; idx++) {
 	fi->R[idx] = drand48() * kmul;
-	fi->G[idx] = drand48() * kmul;
-	fi->B[idx] = drand48() * kmul;
 	}
 
 }

tools/Makefile

@@ -26,8 +26,8 @@ fimg2pnm:	fimg2pnm.c  $(DEPS)
 fimg2png:	fimg2png.c  $(DEPS)
 	gcc $(COPT) $< ../libfloatimg.a -o $@ 
 
-# addtga2fimg:	addtga2fimg.c  $(DEPS)
-#	gcc $(COPT) $< ../libfloatimg.a -limageSO -lm -o $@
+addtga2fimg:	addtga2fimg.c  $(DEPS)
+	gcc $(COPT) $< ../libfloatimg.a -limageSO -lm -o $@
 
 addpnm2fimg:	addpnm2fimg.c  $(DEPS)
 	gcc $(COPT) $< ../libfloatimg.a -lm -o $@

v4l2/exemple.txt

@@ -0,0 +1,42 @@
+-- v4l2_capability, /dev/video0      0x7ffeee718100
+   driver          cx231xx
+   card            Pixelview Xcapture USB
+   bus info        usb-0000:00:1a.0-1.2
+   version         0x41325
+   capabilities    0x85200011
+     vcapt vbicapt extpix rwsysc stream 
+   device caps     0x5200001
+-- inputs enumeration 'on peut voir quoi ?'
+Composite1                       | camera    
+S-Video                          | camera    
+-- v4l2_format, Experimental     0x7ffeee718030
+   type 1          video capture
+   dims            720x576
+   pixformat       [YUYV]
+   field           4
+   padding         1440
+   sizeimage       829440
+   colorspace      1  smpte170m
+-- image formats enumeration (Experimental)
+  0  vidcapt    0x00   [YUYV]   YUYV 4:2:2                       
+-- controls enumeration 'is that working ?'
+  Brightness                         integer     [0..255]
+  Contrast                           integer     [0..127]
+  Saturation                         integer     [0..127]
+  Hue                                integer     [-128..127]
+  Volume                             integer     [0..65535]
+  Balance                            integer     [0..65535]
+  Bass                               integer     [0..65535]
+  Treble                             integer     [0..65535]
+  Mute                               boolean     [0..1]
+-- extended controls enumeration 'looking for extended'
+  User Controls                      ctrl-class  [0..0]
+  Brightness                         integer     [0..255]
+  Contrast                           integer     [0..127]
+  Saturation                         integer     [0..127]
+  Hue                                integer     [-128..127]
+  Volume                             integer     [0..65535]
+  Balance                            integer     [0..65535]
+  Bass                               integer     [0..65535]
+  Treble                             integer     [0..65535]
+  Mute                               boolean     [0..1]

v4l2/grabvidseq.c

@@ -36,6 +36,9 @@
 #define SAVE_AS_PNM	0
 #define SAVE_AS_FIMG	0
 
+#define		WIDTH		720
+#define		HEIGHT		576
+
 /* --------------------------------------------------------------------- */
 
 #define CLEAR(x) memset(&(x), 0, sizeof(x))
@@ -71,12 +74,10 @@ if (verbosity) {
 	}
 puts("options :");
 puts("\t-d /dev/?\tselect video device");
-puts("\t-g\t\tconvert to gray");
 puts("\t-n NNN\t\thow many frames ?");
 puts("\t-O ./\t\tset Output dir");
 puts("\t-o bla\t\tset output filename");
 puts("\t-p NNN\t\tperiod in seconds");
-puts("\t-s WxH\t\tsize of capture");
 puts("\t-v\t\tincrease verbosity");
 exit(0);
 }
@@ -101,10 +102,7 @@ int		foo, bar;
 double		period = 10.0;		/* delai entre les captures */
 int		nbre_capt = 1;		/* nombre de captures */
 int		opt;
-int		width = 640;
-int		height = 480;
 double		t_final;
-int		to_gray = 0;
 char		*dest_dir = ".";	/* no trailing slash */
 char		*outfile = "out.pnm";
 
@@ -112,16 +110,14 @@ char		*outfile = "out.pnm";
 FloatImg	grab, cumul;
 #endif
 
-while ((opt = getopt(argc, argv, "d:ghn:o:O:p:s:v")) != -1) {
+while ((opt = getopt(argc, argv, "d:hn:o:O:p:v")) != -1) {
 	switch(opt) {
 		case 'd':	dev_name = optarg;		break;
-		case 'g':	to_gray = 1;			break;
 		case 'h':	help(0);			break;
 		case 'n':	nbre_capt = atoi(optarg);	break;
 		case 'O':	dest_dir = optarg;		break;
 		case 'o':	outfile = optarg;		break;
 		case 'p':	period = 1e6*atof(optarg);	break;
-		case 's':	parse_WxH(optarg, &width, &height);	break;
 		case 'v':	verbosity++;			break;
 		}
 	}
@@ -129,7 +125,6 @@ while ((opt = getopt(argc, argv, "d:ghn:o:O:p:s:v")) != -1) {
 if (verbosity) {
 	fprintf(stderr, "running %s  pid=%d\n", argv[0], getpid());
 	fprintf(stderr, "period is %.3f microseconds\n", period);
-	fprintf(stderr, "framesize is %dx%d\n", width, height);
 	}
 
 fd = v4l2_open(dev_name, O_RDWR | O_NONBLOCK, 0);
@@ -140,17 +135,16 @@ if (fd < 0) {
 
 CLEAR(fmt);
 fmt.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
-fmt.fmt.pix.width       = width;
-fmt.fmt.pix.height      = height;
+fmt.fmt.pix.width       = WIDTH;
+fmt.fmt.pix.height      = HEIGHT;
 fmt.fmt.pix.pixelformat = V4L2_PIX_FMT_RGB24;
 fmt.fmt.pix.field       = V4L2_FIELD_INTERLACED;
 xioctl(fd, VIDIOC_S_FMT, &fmt);
 if (fmt.fmt.pix.pixelformat != V4L2_PIX_FMT_RGB24) {
-	/* are others formats usable ? */
 	printf("Libv4l didn't accept RGB24 format. Can't proceed.\n");
 	exit(EXIT_FAILURE);
 	}
-if ((fmt.fmt.pix.width != width) || (fmt.fmt.pix.height != height)) {
+if ((fmt.fmt.pix.width != WIDTH) || (fmt.fmt.pix.height != HEIGHT)) {
 	printf("Warning: driver is sending image at %dx%d\n",
 			    fmt.fmt.pix.width, fmt.fmt.pix.height);
 	}
@@ -201,10 +195,11 @@ foo = fimg_create(&cumul,
 		FIMG_TYPE_RGB);
 fimg_clear(&cumul);
 cumul.fval = 255.0;
-cumul.count = 0;
 #endif
 
 
+
+
 type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
 xioctl(fd, VIDIOC_STREAMON, &type);
 
@@ -285,10 +280,6 @@ fprintf(stderr, "pid %d : elapsed time %g s\n", getpid(), t_final);
 fprintf(stderr, "\t%.2f fps\n", (double)nbre_capt / t_final);
 
 #if SAVE_AS_CUMUL
-if (to_gray) {
-	if (verbosity)	fputs("converting to gray\n", stderr);
-	foo = fimg_to_gray(&cumul);
-	}
 	// save cumul to file
 foo = fimg_save_as_pnm(&cumul, outfile, 0);
 	// free buffers

v4l2/video-infos.c

@@ -19,38 +19,6 @@
 
 int		verbosity;
 
-/* --------------------------------------------------------------------- */
-/*
- *	this code was written from a strace output :)
- */
-int enum_image_framesizes(int fd, char *txt, int k)
-{
-int				foo, idx;
-struct v4l2_frmsizeenum		fmtsz;
-
-printf("-- image framesizes enumeration (%s)\n", txt);
-
-for (idx=0; ; idx++) {
-	memset(&fmtsz, 0, sizeof(fmtsz));
-	fmtsz.index = idx;
-	foo = ioctl(fd, VIDIOC_ENUM_FRAMESIZES, &fmtsz);
-
-	if (foo) {
-		if (EINVAL==errno) {
-			break;
-			}
-		else	{
-			perror(__func__);
-			break;
-			}
-		}
-
-	printf("%4d   %4d   %4d\n", idx, fmtsz.pixel_format, fmtsz.type);
-
-	}
-
-return 0;
-}
 /* --------------------------------------------------------------------- */
 int enum_image_formats(int fd, char *txt, int k)
 {
@@ -93,7 +61,7 @@ int 				index, foo;
 struct v4l2_input		input;
 char				ligne[50];
 
-printf("-- inputs enumeration (%s)\n", txt);
+printf("-- inputs enumeration '%s'\n", txt);
 
 index = 0;
 for(;;)	{
@@ -251,7 +219,6 @@ foo = enum_controls(vfd, "is that working ?", 0);
 
 foo = enum_extended_controls(vfd, "looking for extended", 0);
 
-enum_image_framesizes(vfd, "code pas fini", 0);
 
 close(vfd);