add timelapse video generation on iOS and mac , fix history memory

PanoPainter-OSX/main.cpp

@@ -141,6 +141,7 @@ static CVReturn MyDisplayLinkCallback(CVDisplayLinkRef displayLink, const CVTime
             App::I.clear();
             App::I.update(now - _prevTime);
             CGLFlushDrawable([glctx CGLContextObj]);
+            _prevTime = now;
         }
         
         //[[self openGLContext] flushBuffer];
@@ -156,7 +157,7 @@ static CVReturn MyDisplayLinkCallback(CVDisplayLinkRef displayLink, const CVTime
         // return YES to have your layer redrawn
         return YES;
     }
-    
+
     return kCVReturnSuccess;
 }
 
@@ -328,6 +329,7 @@ static CVReturn MyDisplayLinkCallback(CVDisplayLinkRef displayLink, const CVTime
 @end @implementation Controller
 - (void)windowWillClose:(NSNotification *)notification
 {
+    App::I.terminate();
     [[NSApplication sharedApplication] terminate:nil];
 }
 @end