diff --git a/apps/DeepFaceLive/DeepFaceLiveApp.py b/apps/DeepFaceLive/DeepFaceLiveApp.py
index 8436525..dec3381 100644
--- a/apps/DeepFaceLive/DeepFaceLiveApp.py
+++ b/apps/DeepFaceLive/DeepFaceLiveApp.py
@@ -41,7 +41,7 @@ class QLiveSwap(qtx.QXWidget):
 
         # Construct backend config
         backend_db          = self.backend_db          = backend.BackendDB( settings_dirpath / 'states.dat' )
-        backed_weak_heap    = self.backed_weak_heap    = backend.BackendWeakHeap(size_mb=1024)
+        backend_weak_heap   = self.backend_weak_heap   = backend.BackendWeakHeap(size_mb=2048)
         reemit_frame_signal = self.reemit_frame_signal = backend.BackendSignal()
 
         multi_sources_bc_out  = backend.BackendConnection(multi_producer=True)
@@ -52,17 +52,17 @@ class QLiveSwap(qtx.QXWidget):
         frame_adjuster_bc_out = backend.BackendConnection()
         face_merger_bc_out    = backend.BackendConnection()
 
-        file_source    = self.file_source    = backend.FileSource   (weak_heap=backed_weak_heap, reemit_frame_signal=reemit_frame_signal, bc_out=multi_sources_bc_out, backend_db=backend_db)
-        camera_source  = self.camera_source  = backend.CameraSource (weak_heap=backed_weak_heap, bc_out=multi_sources_bc_out, backend_db=backend_db)
-        face_detector  = self.face_detector  = backend.FaceDetector (weak_heap=backed_weak_heap, reemit_frame_signal=reemit_frame_signal, bc_in=multi_sources_bc_out, bc_out=face_detector_bc_out, backend_db=backend_db )
-        face_marker    = self.face_marker    = backend.FaceMarker   (weak_heap=backed_weak_heap, reemit_frame_signal=reemit_frame_signal, bc_in=face_detector_bc_out, bc_out=face_marker_bc_out, backend_db=backend_db)
-        face_aligner   = self.face_aligner   = backend.FaceAligner  (weak_heap=backed_weak_heap, reemit_frame_signal=reemit_frame_signal, bc_in=face_marker_bc_out, bc_out=face_aligner_bc_out, backend_db=backend_db )
-        face_animator  = self.face_animator  = backend.FaceAnimator (weak_heap=backed_weak_heap, reemit_frame_signal=reemit_frame_signal, bc_in=face_aligner_bc_out, bc_out=face_merger_bc_out, animatables_path=animatables_path, backend_db=backend_db )
+        file_source    = self.file_source    = backend.FileSource   (weak_heap=backend_weak_heap, reemit_frame_signal=reemit_frame_signal, bc_out=multi_sources_bc_out, backend_db=backend_db)
+        camera_source  = self.camera_source  = backend.CameraSource (weak_heap=backend_weak_heap, bc_out=multi_sources_bc_out, backend_db=backend_db)
+        face_detector  = self.face_detector  = backend.FaceDetector (weak_heap=backend_weak_heap, reemit_frame_signal=reemit_frame_signal, bc_in=multi_sources_bc_out, bc_out=face_detector_bc_out, backend_db=backend_db )
+        face_marker    = self.face_marker    = backend.FaceMarker   (weak_heap=backend_weak_heap, reemit_frame_signal=reemit_frame_signal, bc_in=face_detector_bc_out, bc_out=face_marker_bc_out, backend_db=backend_db)
+        face_aligner   = self.face_aligner   = backend.FaceAligner  (weak_heap=backend_weak_heap, reemit_frame_signal=reemit_frame_signal, bc_in=face_marker_bc_out, bc_out=face_aligner_bc_out, backend_db=backend_db )
+        face_animator  = self.face_animator  = backend.FaceAnimator (weak_heap=backend_weak_heap, reemit_frame_signal=reemit_frame_signal, bc_in=face_aligner_bc_out, bc_out=face_merger_bc_out, animatables_path=animatables_path, backend_db=backend_db )
 
-        face_swapper   = self.face_swapper   = backend.FaceSwapper  (weak_heap=backed_weak_heap, reemit_frame_signal=reemit_frame_signal, bc_in=face_aligner_bc_out, bc_out=face_swapper_bc_out, dfm_models_path=dfm_models_path, backend_db=backend_db )
-        frame_adjuster = self.frame_adjuster = backend.FrameAdjuster(weak_heap=backed_weak_heap, reemit_frame_signal=reemit_frame_signal, bc_in=face_swapper_bc_out, bc_out=frame_adjuster_bc_out, backend_db=backend_db )
-        face_merger    = self.face_merger    = backend.FaceMerger   (weak_heap=backed_weak_heap, reemit_frame_signal=reemit_frame_signal, bc_in=frame_adjuster_bc_out, bc_out=face_merger_bc_out, backend_db=backend_db )
-        stream_output  = self.stream_output  = backend.StreamOutput (weak_heap=backed_weak_heap, reemit_frame_signal=reemit_frame_signal, bc_in=face_merger_bc_out, save_default_path=userdata_path, backend_db=backend_db)
+        face_swapper   = self.face_swapper   = backend.FaceSwapper  (weak_heap=backend_weak_heap, reemit_frame_signal=reemit_frame_signal, bc_in=face_aligner_bc_out, bc_out=face_swapper_bc_out, dfm_models_path=dfm_models_path, backend_db=backend_db )
+        frame_adjuster = self.frame_adjuster = backend.FrameAdjuster(weak_heap=backend_weak_heap, reemit_frame_signal=reemit_frame_signal, bc_in=face_swapper_bc_out, bc_out=frame_adjuster_bc_out, backend_db=backend_db )
+        face_merger    = self.face_merger    = backend.FaceMerger   (weak_heap=backend_weak_heap, reemit_frame_signal=reemit_frame_signal, bc_in=frame_adjuster_bc_out, bc_out=face_merger_bc_out, backend_db=backend_db )
+        stream_output  = self.stream_output  = backend.StreamOutput (weak_heap=backend_weak_heap, reemit_frame_signal=reemit_frame_signal, bc_in=face_merger_bc_out, save_default_path=userdata_path, backend_db=backend_db)
 
         self.all_backends : List[backend.BackendHost] = [file_source, camera_source, face_detector, face_marker, face_aligner, face_animator, face_swapper, frame_adjuster, face_merger, stream_output]
 
@@ -77,10 +77,10 @@ class QLiveSwap(qtx.QXWidget):
         self.q_face_merger    = QFaceMerger(self.face_merger)
         self.q_stream_output  = QStreamOutput(self.stream_output)
 
-        self.q_ds_frame_viewer = QBCFrameViewer(backed_weak_heap, multi_sources_bc_out)
-        self.q_ds_fa_viewer    = QBCFaceAlignViewer(backed_weak_heap, face_aligner_bc_out, preview_width=256)
-        self.q_ds_fc_viewer    = QBCFaceSwapViewer(backed_weak_heap, face_merger_bc_out, preview_width=256)
-        self.q_ds_merged_frame_viewer = QBCMergedFrameViewer(backed_weak_heap, face_merger_bc_out)
+        self.q_ds_frame_viewer = QBCFrameViewer(backend_weak_heap, multi_sources_bc_out)
+        self.q_ds_fa_viewer    = QBCFaceAlignViewer(backend_weak_heap, face_aligner_bc_out, preview_width=256)
+        self.q_ds_fc_viewer    = QBCFaceSwapViewer(backend_weak_heap, face_merger_bc_out, preview_width=256)
+        self.q_ds_merged_frame_viewer = QBCMergedFrameViewer(backend_weak_heap, face_merger_bc_out)
 
         q_nodes = qtx.QXWidgetHBox([    qtx.QXWidgetVBox([self.q_file_source, self.q_camera_source], spacing=5, fixed_width=256),
                                         qtx.QXWidgetVBox([self.q_face_detector,  self.q_face_aligner,], spacing=5, fixed_width=256),