add focus centroid to masking, mod mask reset/mode btns, add sticky to mask fade...

[goodguy/cinelerra.git] / cinelerra-5.1 / cinelerra / playbackengine.C

diff --git a/cinelerra-5.1/cinelerra/playbackengine.C b/cinelerra-5.1/cinelerra/playbackengine.C
index 71126cf82810c6fce05b7c2a1aa9dae7ce4c273b..b59e609b189c4e28f63b6078033953f344f8dc0d 100644 (file)
--- a/cinelerra-5.1/cinelerra/playbackengine.C
+++ b/cinelerra-5.1/cinelerra/playbackengine.C
@@ -130,7 +130,11 @@ int PlaybackEngine::create_render_engine()
 void PlaybackEngine::delete_render_engine()
 {
        renderengine_lock->lock("PlaybackEngine::delete_render_engine");
-       delete render_engine;  render_engine = 0;
+       if( render_engine ) {
+               render_engine->interrupt_playback();
+               render_engine->wait_done();
+               delete render_engine;  render_engine = 0;
+       }
        renderengine_lock->unlock();
 }
 
@@ -407,7 +411,8 @@ void PlaybackEngine::run()
 // Start tracking after arming so the tracking position doesn't change.
 // The tracking for a single frame command occurs during PAUSE
                        init_tracking();
-                       clear_output();
+                       if( !command->single_frame() )
+                               clear_output();
 // Dispatch the command
                        start_render_engine();
                        break;