X-Git-Url: http://git.cinelerra-gg.org/git/?a=blobdiff_plain;f=cinelerra-5.1%2Fcinelerra%2Frenderengine.C;h=628255b56a814c5a44996ed8cfb84e4fc21e7566;hb=38cb4182e11e57fc426bede3825e825e9d61433b;hp=6ad6629c00719f9bce155cff2a680e768ee3d34d;hpb=ed1cab1d6cbde6129bbd09b9609f7bba03ab610f;p=goodguy%2Fhistory.git

diff --git a/cinelerra-5.1/cinelerra/renderengine.C b/cinelerra-5.1/cinelerra/renderengine.C
index 6ad6629c..628255b5 100644
--- a/cinelerra-5.1/cinelerra/renderengine.C
+++ b/cinelerra-5.1/cinelerra/renderengine.C
@@ -66,12 +66,7 @@ RenderEngine::RenderEngine(PlaybackEngine *playback_engine,
 
 	audio_cache = 0;
 	video_cache = 0;
-	if(playback_engine && playback_engine->mwindow)
-		mwindow = playback_engine->mwindow;
-	else
-		mwindow = 0;
-	show_tc = 0;
-
+	mwindow = !playback_engine ? 0 : playback_engine->mwindow;
 
 	input_lock = new Condition(1, "RenderEngine::input_lock");
 	start_lock = new Condition(1, "RenderEngine::start_lock");
@@ -91,6 +86,7 @@ RenderEngine::~RenderEngine()
 	delete input_lock;
 	delete start_lock;
 	delete output_lock;
+	delete render_active;
 	delete interrupt_lock;
 	delete first_frame_lock;
 	delete config;
@@ -194,11 +190,11 @@ void RenderEngine::get_duty()
 	do_video = 0;
 
 //printf("RenderEngine::get_duty %d\n", __LINE__);
-	if(!command->single_frame() &&
-		get_edl()->tracks->playable_audio_tracks() &&
-		get_edl()->session->audio_channels)
+	if( get_edl()->tracks->playable_audio_tracks() &&
+	    get_edl()->session->audio_channels )
 	{
-		do_audio = 1;
+		do_audio = !command->single_frame() ? 1 : 0;
+		if( command->audio_toggle ) do_audio = !do_audio;
 	}
 
 //printf("RenderEngine::get_duty %d\n", __LINE__);
@@ -548,6 +544,12 @@ void RenderEngine::run()
 				}
 			}
 
+			if( playback_engine->is_playing_back && command->displacement ) {
+				double position = playback_engine->tracking_position -
+					1./command->get_edl()->session->frame_rate;
+				playback_engine->tracking_position = position >= 0 ? position : 0;
+			}
+
 			if(!interrupted) playback_engine->command->command = STOP;
 			playback_engine->stop_tracking();