//start the tracker
void MainWindow::start_tracking()
{
cvNamedWindow("binary");
cvNamedWindow("vid");
IplImage* image=NULL;
IplImage* binary_image = NULL;
//int k = 0; //skipped frame count
clock_t start_time = clock();
while(tracker_state == STATE_STARTED_TRACKING &&
((image = video_loader.next_frame())!= NULL))
{
tracker->next_image(image);
binary_image = tracker->get_binary_model();
draw_targets(image);
//Record when there is substantial motion
if (config->record_activity) {
cout << "RECORDING" << endl;
record_activity(image);
}
cvShowImage("binary", binary_image);
cvShowImage("vid", image);
cvWaitKey(1);
}
clock_t elapsed_time = clock() - start_time;
cout << "clock ticks = " << elapsed_time << endl;
cout << "seconds = " << (float)elapsed_time/(float)CLOCKS_PER_SEC << endl;
if (tracker_state == STATE_STARTED_TRACKING && !image)
{
//video is over, terminate tracking.
tracker->end_tracking();
ReleaseVideoWriter();
ReleaseVideoBuffer();
tracker_state = STATE_NOT_STARTED;
//Update the trace table
update_trace_list();
//Update the target table
update_target_list();
//Update the elevator list table
update_event_list();
update_gui();
}
}
int main(){
int i,count=0;
cairo_surface_t *cs = cairo_image_surface_create (CAIRO_FORMAT_ARGB32,
W,H);
int s=(W+SPACING-1)/SPACING+1;
float *data = calloc((W+SPACING-1)/SPACING,sizeof(*data));
for(i=0;i<s;i++)
data[i] = -sin((i-.35)/s*2*M_PI)*.9;
clear_surface(cs);
draw_quant(cs);
draw_axis(cs,0);
draw_samples(cs,data,0);
write_frame(cs,"quant",count++);
/* fade in lines */
for(i=0;i<FRAMES;i++){
clear_surface(cs);
draw_quant(cs);
draw_axis(cs,0);
draw_targets(cs,data,(float)i/FRAMES);
draw_samples(cs,data,0);
write_frame(cs,"quant",count++);
}
/* fade in arrows */
for(i=0;i<FRAMES;i++){
clear_surface(cs);
draw_quant(cs);
draw_axis(cs,0);
draw_targets(cs,data,1);
draw_samples(cs,data,0);
draw_arrows(cs,data,0,(float)i/FRAMES);
write_frame(cs,"quant",count++);
}
/* move */
for(i=0;i<FRAMES;i++){
clear_surface(cs);
draw_quant(cs);
draw_axis(cs,0);
draw_targets(cs,data,1);
draw_samples(cs,data,(float)i/FRAMES);
draw_arrows(cs,data,(float)i/FRAMES,1);
write_frame(cs,"quant",count++);
}
/* fade out all */
for(i=0;i<FRAMES;i++){
clear_surface(cs);
draw_quant(cs);
draw_axis(cs,0);
draw_targets(cs,data,1.-(float)i/FRAMES);
draw_samples(cs,data,1);
draw_arrows(cs,data,1,1-(float)i/FRAMES);
write_frame(cs,"quant",count++);
}
clear_surface(cs);
draw_quant(cs);
draw_axis(cs,0);
draw_samples(cs,data,1);
write_frame(cs,"quant",count++);
cairo_surface_destroy(cs);
return 0;
}
