static void
mjpg_bgr_compress(void *handle, struct ng_video_buf *out,
struct ng_video_buf *in)
{
swap_rgb24(in->data,in->fmt.width*in->fmt.height); /* FIXME */
return mjpg_rgb_compress(handle,out,in);
}
void on_darea_expose (GtkWidget *widget) {
GdkRectangle rect_oi;
// static time_t init, end;
// static frames;
// unsigned char title[20];
// if (!frames) {
// time (&init);
// }
if (!buf) {
return;
}
//brilho(buf);
//rect_oi.x
//rect_oi.y
// rect_oi.width=COLS;
// rect_oi.height=ROWS;
// bgr2rgb(buf, COLS*ROWS);
// gdk_threads_enter();
swap_rgb24(buf, grab_size);
gdk_draw_rgb_image (widget->window,
//widget->style->white_gc, 0, 0,
widget->style->fg_gc[GTK_WIDGET_STATE(widget)], 0, 0,
COLS, ROWS, GDK_RGB_DITHER_NORMAL,
buf, COLS * DEPTH);
// gtk_widget_draw(widget, &rect_oi);
// gdk_threads_leave();
// frames++;
// time (&end);
// if (end - init >= 1) {
// global_frames=frames;
// frames=0;
// sprintf(title, "FPS %d - %d", global_frames, end - init);
// gtk_statusbar_push (GTK_STATUSBAR (status), 1, title);
// fprintf(stderr,"%s\n", title);
// }
}
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
}
int grab_one(struct vd_video *vd) {
char bufo[256];
char xten[4][5] = {"-","raw", "pnm", "jpg"};
#ifdef STAMP
time_t t;
struct tm *tm;
char stringo[128];
#endif
/* gamma test */
/*
unsigned char g_table[256];
gamma_lookup(0.2, g_table);
*/
if (-1 == ioctl(vd->grab_fd,VIDIOCMCAPTURE,&(vd->grab_buf))) {
perror("ioctl VIDIOCMCAPTURE");
exit(-1);
}
if (-1 == ioctl(vd->grab_fd,VIDIOCSYNC,&(vd->grab_buf))) {
perror("ioctl VIDIOCSYNC");
exit(-1);
}
vd->image=vd->grab_data;
if (vd->w == 3 && vd->grab_data && (vd->img_format != VD_TGA_24)) {
/* original or faster swap function */
#ifdef BGR2RGB
bgr2rgb(vd->grab_data, vd->grab_buf.width * vd->grab_buf.height);
#else
swap_rgb24(vd->grab_data, vd->grab_buf.width * vd->grab_buf.height);
#endif
}
/* HOOK for effects */
/* Uncomment and test the effects */
/* try another order and parameters */
/* effects test */
/* threshold (vd, 30); */
//sobel(vd);
/*gamma_apply(vd, g_table); */
/* laplace(vd); */
/* noise (vd, 0.05); */
//negative(vd);
/* mirror(vd); */
/* lowpass(vd); */
/* highpass(vd); */
/* channel_threshold(vd); */
/* predator(vd); */
/* posterize(vd, 3); */
//threshold (vd, 200);
// sobel(vd);
//negative(vd);
//mark_areas(vd);
/* end test */
#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", stringo);
}
#endif
/*
* timestamp
*
*/
if (vd->tstampname) {
sprintf(bufo, "%d-0.%s", (unsigned int)t, xten[vd->img_format]);
#ifdef DEBUG
fprintf (stderr,"filename: %s \n", bufo);
#endif
strncpy (vd->v_filename, bufo, strlen(bufo));
}
vd->image=vd->grab_data; /* compatability */
switch (vd->img_format) {
case VD_RAW:
create_raw(vd);
break;
case VD_PNM:
create_pnm(vd);
break;
#ifdef HASJPEG
case VD_JPG:
create_jpeg(vd);
break;
#endif
case VD_TGA_24:
create_targa24(vd);
break;
}
return 1;
}
