X-Git-Url: https://cinelerra-gg.org/git/?a=blobdiff_plain;f=cinelerra-5.1%2Fcinelerra%2Fplaybackengine.C;h=b15edd62c1636d0de0b135b479d35d97fb4c7071;hb=22c6251d37911a11e322bf7518e6a992ea0bb6c7;hp=82bd7bb6587b930b77caa7f4da7673255539b3a3;hpb=3836e2ca418201dccf1101947269fb26debb3cb4;p=goodguy%2Fcinelerra.git

diff --git a/cinelerra-5.1/cinelerra/playbackengine.C b/cinelerra-5.1/cinelerra/playbackengine.C
index 82bd7bb6..b15edd62 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);
 
@@ -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;
@@ -164,12 +166,14 @@ 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();
 }