X-Git-Url: https://git.cinelerra-gg.org/git/?a=blobdiff_plain;f=cinelerra-5.1%2Fcinelerra%2Fplaybackengine.C;h=3b2b9ed4313f2ac01699179015e7fd61a85c9bf4;hb=6e058b1be47637093ace2a835f965a5c56961c5b;hp=82bd7bb6587b930b77caa7f4da7673255539b3a3;hpb=f5725c7e12def18fec49a295dad688652edaa4b3;p=goodguy%2Fcinelerra.git

diff --git a/cinelerra-5.1/cinelerra/playbackengine.C b/cinelerra-5.1/cinelerra/playbackengine.C
index 82bd7bb6..3b2b9ed4 100644
--- a/cinelerra-5.1/cinelerra/playbackengine.C
+++ b/cinelerra-5.1/cinelerra/playbackengine.C
@@ -71,6 +71,7 @@ PlaybackEngine::PlaybackEngine(MWindow *mwindow, Canvas *output)
 	tracking_done = new Condition(1, "PlaybackEngine::tracking_done");
 	pause_lock = new Condition(0, "PlaybackEngine::pause_lock");
 	start_lock = new Condition(0, "PlaybackEngine::start_lock");
+	cache_lock = new Mutex("PlaybackEngine::cache_lock");
 	input_lock = new Condition(1, "PlaybackEngine::input_lock");
 	output_lock = new Condition(0, "PlaybackEngine::output_lock", 1);
 
@@ -83,8 +84,8 @@ PlaybackEngine::~PlaybackEngine()
 	done = 1;
 	output_lock->unlock();
 	Thread::join();
-	delete preferences;
 	delete_render_engine();
+	delete preferences;
 	if( audio_cache )
 		audio_cache->remove_user();
 	if( video_cache )
@@ -93,6 +94,7 @@ PlaybackEngine::~PlaybackEngine()
 	delete tracking_done;
 	delete pause_lock;
 	delete start_lock;
+	delete cache_lock;
 	delete renderengine_lock;
 	delete command;
 	delete next_command;
@@ -145,14 +147,18 @@ void PlaybackEngine::delete_render_engine()
 
 void PlaybackEngine::arm_render_engine()
 {
+	renderengine_lock->lock("PlaybackEngine::arm_render_engine");
 	if( render_engine )
 		render_engine->arm_command(command);
+	renderengine_lock->unlock();
 }
 
 void PlaybackEngine::start_render_engine()
 {
+	renderengine_lock->lock("PlaybackEngine::start_render_engine");
 	if( render_engine )
 		render_engine->start_command();
+	renderengine_lock->unlock();
 }
 
 void PlaybackEngine::wait_render_engine()
@@ -164,26 +170,35 @@ void PlaybackEngine::wait_render_engine()
 
 void PlaybackEngine::create_cache()
 {
+	cache_lock->lock("PlaybackEngine::create_cache");
 	if( audio_cache )
 		audio_cache->remove_user();
 	if( video_cache )
 		video_cache->remove_user();
 	audio_cache = new CICache(preferences);
 	video_cache = new CICache(preferences);
+	cache_lock->unlock();
 }
 
 
 void PlaybackEngine::perform_change()
 {
 	switch( command->change_type ) {
-		case CHANGE_ALL:
-			create_cache();
-		case CHANGE_EDL:
-			create_render_engine();
-			break;
-		case CHANGE_PARAMS:
-			render_engine->get_edl()->synchronize_params(command->get_edl());
-		case CHANGE_NONE:
+	case CHANGE_ALL:
+		create_cache();
+	case CHANGE_EDL:
+		create_render_engine();
+		break;
+	case CHANGE_PARAMS: {
+		renderengine_lock->lock("PlaybackEngine::perform_change");
+		EDL *edl = render_engine ? render_engine->get_edl() : 0;
+		if( edl ) edl->add_user();
+		renderengine_lock->unlock();
+		if( !edl ) break;
+		edl->synchronize_params(command->get_edl());
+		edl->remove_user();
+		}
+	case CHANGE_NONE:
 			break;
 	}
 }
@@ -462,6 +477,12 @@ int PlaybackEngine::get_direction()
 	return TransportCommand::get_direction(curr_command);
 }
 
+void PlaybackEngine::update_preferences(Preferences *prefs)
+{
+	preferences->copy_from(prefs);
+	create_render_engine();
+}
+
 void PlaybackEngine::send_command(int command, EDL *edl, int wait_tracking, int use_inout)
 {
 //printf("PlaybackEngine::send_command 1 %d\n", command);