add refresh rate to vicons + a bunch of bug fixes
[goodguy/history.git] / cinelerra-5.0 / guicast / vicon.C
index 269c96a2b23c18438366aa774a6cf6642bcfa060..428ed4c70ccfcf3b0abaccaeb94f016cb4388b6e 100644 (file)
@@ -12,9 +12,10 @@ VIcon(int vw, int vh, double rate)
 {
        this->vw = vw;
        this->vh = vh;
-       this->period = 1000./rate;
+       this->frame_rate = rate;
+       this->cycle_start = 0;
        this->age = 0;
-        this->seq_no = 0;
+       this->seq_no = 0;
        this->in_use = 1;
 }
 
@@ -73,6 +74,7 @@ VIconThread(BC_WindowBase *wdw, int vw, int vh)
        this->viewing = 0;
        draw_lock = new Condition(0, "VIconThread::draw_lock", 1);
        timer = new Timer();
+       this->refresh_rate = VICON_RATE;
        done = 0;
        interrupted = 1;
 }
@@ -175,14 +177,14 @@ ViewPopup *VIconThread::new_view_window(VFrame *frame)
 void VIconThread::
 reset_images()
 {
-       for( int i=t_heap.size(); --i>=0; ) t_heap[i]->age = 0;
+       for( int i=t_heap.size(); --i>=0; ) t_heap[i]->reset();
        timer->update();
        img_dirty = win_dirty = 0;
 }
 
-void VIconThread::add_vicon(VIcon *vip, double age)
+void VIconThread::add_vicon(VIcon *vip)
 {
-       vip->age = age;
+       double age = vip->age;
        int i = t_heap.size();  t_heap.append(vip);
        for( int k; i>0 && age<t_heap[(k=(i-1)/2)]->age; i=k )
                t_heap[i] = t_heap[k];
@@ -272,7 +274,7 @@ run()
                        if( !next ) break;
                        int64_t now = timer->get_difference();
                        if( next == first || (draw_flash && now >= draw_flash) ) {
-                               add_vicon(next, next->age);
+                               add_vicon(next);
                                if( !draw_flash ) draw_flash = now + 100;
                                else if( now >= draw_flash ) draw_flash = now + 1; 
                                wdw->unlock_window();
@@ -295,12 +297,14 @@ run()
                        if( draw(next) && !draw_flash )
                                draw_flash = next->age;
                        now = timer->get_difference();
-                       int64_t late = now - next->age;
-                       int count = late / next->period;
-                       int nfrms = count > 0 ? count : 1;
-                       if( !next->next_frame(nfrms) )
+                       if( !next->seq_no ) next->cycle_start = now;
+                       int64_t ref_no = (now - next->cycle_start) / 1000 * refresh_rate;
+                       int count = ref_no - next->seq_no;
+                       if( count < 1 ) count = 1;
+                       next->age += count * 1000 / refresh_rate;
+                       if( !next->set_seq_no(next->seq_no + count) )
                                next->age = now + 1000;
-                       add_vicon(next, next->age);
+                       add_vicon(next);
                }
                if( viewing != vicon )
                        update_view();