void check_area_motion(Area *area) {
// printf("FRAME: check motion in area id #%d...\n", area->id);
area->trig = 0;
bool debug = false;// area->id == 1;
// for directional support compare diff against x/y-offset average images and pick the one with least diff.
int diff_sum = 0;
for(int j=0; j<area->height; j++) {
int o = ((area->y + j) * frame_width + area->x) * 3;
for(int i=0; i<area->width; i++) {
diff_sum += (diff_frame[o] + diff_frame[o+1] + diff_frame[o+2]) / 3;
// diff_sum += (current_frame[o] - average_frame[o]);
if (debug) {
int sh = (diff_frame[o] * 7) / 255;
printf("%c", shades[sh]);
}
o += 3;
}
if (debug) printf("\n");
}
area->value = diff_sum;
int diff_max = area->width * area->height * 255;
area->percent_motion = 100.0f * (float)diff_sum / (float)diff_max;
if (area->percent_motion > area->treshold_percent) {
double t = current_time();
if (t > area->lasttrig + area->mininterval) {
area->trig = 1;
area->lasttrig = t;
}
}
for(int i=99; i>=1; i--) {
area->percent_history[i] = area->percent_history[i-1];
area->trig_history[i] = area->trig_history[i-1];
}
area->percent_history[0] = area->percent_motion;
area->trig_history[0] = area->trig;
if (area->trig) {
// printf("MOTION: area triggered - diff_sum=%6d/%6d percent=%1.2f %1.2f\n", diff_sum, diff_max, area->percent_motion, area->treshold_percent);
osc_send(area->message, area->percent_motion - area->treshold_percent);
}
}
int osc_client( int port)
{
char sport[8];
int msg_size = 32;
char msg[msg_size];
int get_vector = 0;
int send_vector = 0;
if( !port)
{
printf("[OSC CLIENT] No valid port\n");
return 0;
}
else
{
snprintf( sport, 8, "%d", port);
printf("[OSC CLIENT] Init server at %d\n", port);
}
while( 1)
{
if( get_vector)
{
printf("vector:");
get_vector = 0;
send_vector = 1;
}
else
{
printf("msg:");
}
scanf( "%31s", msg);
if( is( msg, "q"))
{
osc_send_quit( sport);
return 1;
}
else if( is( msg, "vector")) get_vector = 1;
if( get_vector)
{
}
else if( send_vector)
{
osc_send_vector( sport, msg);
send_vector = 0;
}
else
{
printf("quad!!\n");
osc_send( sport, "/quad", "iffff", 1, .1, .2, .3, .4);
}
usleep(1000);
}
return 1;
}
