static void load_image(Job *job)
{
int pnm_type;
if (!job->input_path)
{
fprintf(stderr, "You must specify a path to input image\n");
usage();
}
pnm_type = load_pnm(job->input_path, &job->pixels, &job->width, &job->height);
if (pnm_type != PBM)
{
fprintf(stderr, "The image is not a PBM file\n");
exit(1);
}
}
int main(int argc, char *argv[]) {
GtkWidget *window;
GtkWidget *main_vbox;
GtkWidget *menubar;
GtkWidget *vbox;
g_thread_init(NULL);
gtk_init(&argc, &argv);
gdk_init (&argc, &argv);
gdk_rgb_init();
// buf= (unsigned char *)malloc (ROWS * COLS * DEPTH * sizeof (unsigned char));
//if (!buf) {
// perror ("malloc buf");
// exit(0);
// }
open_dev(); /* abre e inicializa video */
window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
gtk_signal_connect(GTK_OBJECT(window), "destroy",
GTK_SIGNAL_FUNC(gtk_main_quit), "WM destroy");
gtk_window_set_title(GTK_WINDOW(window), "NutoScope");
//gtk_widget_set_usize(GTK_WIDGET(window), COLS, ROWS);
main_vbox = gtk_vbox_new(FALSE, 1);
gtk_container_border_width(GTK_CONTAINER(main_vbox), 1);
gtk_container_add(GTK_CONTAINER(window), main_vbox);
gtk_widget_show(main_vbox);
get_main_menu(window, &menubar);
gtk_box_pack_start(GTK_BOX(main_vbox), menubar, FALSE, TRUE, 0);
gtk_widget_show(menubar);
darea = gtk_drawing_area_new();
gtk_box_pack_start (GTK_BOX (main_vbox), darea, FALSE, FALSE, 0);
gtk_signal_connect (GTK_OBJECT (darea), "expose-event", GTK_SIGNAL_FUNC (on_darea_expose), (gpointer) darea);
gtk_drawing_area_size (GTK_DRAWING_AREA (darea), COLS, ROWS);
gtk_widget_show(darea);
status = gtk_statusbar_new ();
gtk_box_pack_start (GTK_BOX (main_vbox), status, FALSE, FALSE, 0);
context_id = gtk_statusbar_get_context_id(
GTK_STATUSBAR(status), "Ready");
gtk_widget_show (status);
gtk_widget_show(window);
// load 50x50x3 logo
logo_image=malloc(50*50*3);
if (!logo_image) {
perror("malloc logo ");
exit;
}
load_pnm("logo.pnm", logo_image);
// Queue frames
for(frame=0; frame<grab_vm.frames; frame++) {
grab_buf.frame = frame;
if(ioctl(grab_fd, VIDIOCMCAPTURE, &grab_buf)<0) {
perror("VIDIOCMCAPTURE");
exit(-1);
}
}
gtk_timeout_add(25, send_expose, NULL);
gdk_threads_enter();
gtk_main();
gdk_threads_leave();
return (0);
}
int grab_loop(struct vd_video *vd){
#ifdef STAMP
time_t t;
struct tm *tm;
char stringo[128];
#endif
#ifdef BENCH
time_t ini,fim;
int a=0;
#endif
#ifdef MOTION
struct image_motion _ref_image, _cur_image, mask;
int avg=0;
#endif
int frame=0, i;
#ifdef MOTION
/* initialize _ref_image, our reference image */
if ((_ref_image.image=malloc(vd->x * vd->y * vd->w))==NULL) {
perror("grab_loop: malloc _ref_image");
exit(-1);
}
memset (_ref_image.image, 0, vd->grab_size);
_ref_image.x=vd->x;
_ref_image.y=vd->y;
_ref_image.depth=vd->w;
if ((mask.image=malloc(vd->x * vd->y * vd->w))==NULL) {
perror("grab_loop: malloc mask");
exit(-1);
}
load_pnm ("mask.pnm", &mask);
#endif
/* Query the actual buffers available */
if(ioctl(vd->grab_fd, VIDIOCGMBUF, &(vd->grab_vm)) < 0) {
perror("VIDIOCGMBUF");
exit(-1);
}
#ifdef DEBUG
fprintf (stderr,"vm.size=%d ; grab_size= %d\n", vd->grab_vm.size, vd->grab_size);
#endif
for(frame=0; frame < vd->grab_vm.frames; frame++) {
vd->grab_buf.frame = frame;
if(ioctl(vd->grab_fd, VIDIOCMCAPTURE, &(vd->grab_buf))<0) {
perror("VIDIOCMCAPTURE");
exit(-1);
}
}
frame = 0;
#ifdef BENCH
time(&ini);
#endif
while(1) {
i = -1;
/* waits for the frame sync */
while ((ioctl(vd->grab_fd, VIDIOCSYNC, &frame)) < 0) {
#ifdef BENCH
fprintf(stderr, "Waiting frame: %d\n", frame);
#endif
}
/* refer the frame */
vd->frame=frame;
vd->image=vd->grab_data + vd->grab_vm.offsets[frame];
//vd->image=vd->grab_data;
if (vd->w == 3 && vd->grab_data) {
/* original or faster swap function */
#ifdef BGR2RGB
bgr2rgb(vd->image, vd->grab_buf.width * vd->grab_buf.height);
#else
swap_rgb24(vd->image, vd->grab_buf.width * vd->grab_buf.height);
#endif
#ifdef DEBUG
fprintf (stderr,"rgb swap for frame (%d)\n", frame);
fprintf (stderr,"image addr %p\n", vd->image);
fprintf (stderr,"offset %d \n", vd->grab_vm.offsets[frame]);
#endif
}
// change channel. it needs to keep each channel
// properties
if (vd->cycleinput) cycle_channel(vd);
/* HOOK for effects */
/* save it */
#ifdef MOTION
/* test for motion */
_cur_image.image=vd->image;
_cur_image.x=vd->x;
_cur_image.y=vd->y;
_cur_image.depth=vd->w;
avg=detect_motion_mask(&_ref_image, &_cur_image, &mask, 10); // our tolerance at +-10 pixels
//avg=subtract_motion(&_ref_image, &_cur_image, 50); // our tolerance at +-10 pixels
//fprintf(stderr,"Average changes: %d ", avg);
//if (_ref_image.left > _cur_image.right ) fprintf (stderr, " - left (l: %d r: %d) ", _ref_image.left, _cur_image.right);
//if (_ref_image.right > _cur_image.left ) fprintf (stderr, " - right (l: %d r: %d) ", _cur_image.left, _ref_image.right);
//fprintf(stderr,"\r");
#ifdef STAMP
/* initial tests for the timestamp function */
time (&t);
tm = localtime (&t);
if (vd->stamp) {
// validation
/* if (vd->stamp_scale_w <= 0) vd->stamp_scale_w=1;
if (vd->stamp_scale_h <= 0) vd->stamp_scale_h=1;
*/
strftime (stringo, sizeof (stringo), vd->stamp, tm);
rgb24_printf(vd->stamp_pos_x, vd->stamp_pos_y, vd->stamp_scale_w, vd->stamp_scale_h, vd, "%s -> %d", stringo, vd->channel);
}
#endif
// threshold
//threshold (vd, 127);
//median_filter(vd);
//mark_areas(vd);
// sensibility
// if (avg > ((vd->grab_size/vd->w)/10)) loop_img(vd); // saves when there are more than ~5% of elements have changed.
#endif
loop_img(vd);
/* Once buf is no longer in use by the application... */
vd->grab_buf.frame = frame;
if(ioctl(vd->grab_fd, VIDIOCMCAPTURE, &(vd->grab_buf))<0) {
perror("VIDIOCMCAPTURE");
exit(-1);
}
/* next frame */
frame++;
/* reset to the 1st frame */
if (frame>=vd->grab_vm.frames) {
#ifdef DEBUG
fprintf(stderr,"Max buffers %d\n", frame -1);
#endif
frame = 0;
}
#ifdef BENCH
if (a == 30) {
time (&fim);
fprintf (stderr, "30 frames/%lu sec\n", (unsigned long)fim -ini);
a=0;
ini=fim;
} else a++;
#endif
} // loop
}
