Update ui/ui_components.py

ui/ui_components.py

@@ -6,7 +6,7 @@
 * All callbacks live in ui/callbacks.py
 * Adds live previews for the first frame of the uploaded video
   and for the custom background image
-* UPDATED: Background preview persists during processing
+* FIXED: Background preview NOT touched by process button
 """
 
 from __future__ import annotations
@@ -36,11 +36,6 @@
 .sm { font-size: 13px; opacity: 0.85; }
 #statusbox { min-height: 120px; }
 .preview-img { border-radius: var(--radius); border: 1px solid rgba(0,0,0,.08); }
-.bg-preview-persistent { 
-    border: 2px solid rgba(0,120,255,0.3); 
-    background: rgba(0,120,255,0.05);
-    min-height: 200px;
-}
 """
 
 # Keep in sync with utils/cv_processing.PROFESSIONAL_BACKGROUNDS
@@ -206,7 +201,7 @@ def create_interface() -> gr.Blocks:
         # ------------------------------------------------------------------
         btn_load.click(cb_load_models, outputs=statusbox)
 
-        # CRITICAL FIX: Process button now expects THREE outputs from callback
+        # FIXED: Process button only updates what needs to change
         btn_run.click(
             cb_process_video,
             inputs=[
@@ -219,13 +214,13 @@ def create_interface() -> gr.Blocks:
                 preview_mask,
                 preview_greenscreen,
             ],
-            outputs=[out_video, statusbox, custom_bg_preview_img],  # THREE outputs now!
+            outputs=[out_video, statusbox],  # Only 2 outputs - NOT touching preview!
         )
 
         btn_cancel.click(cb_cancel, outputs=statusbox)
         btn_refresh.click(cb_status, outputs=[model_status, cache_status])
         
-        # Clear button - adjusted for 5 outputs from callback
+        # Clear button - only clears what it needs to
         btn_clear.click(
             cb_clear, 
             outputs=[out_video, statusbox, gen_preview, gen_path, custom_bg_preview_img]
@@ -240,7 +235,7 @@ def create_interface() -> gr.Blocks:
         
         use_gen_as_custom.click(cb_use_gen_bg, inputs=[gen_path], outputs=[custom_bg])
 
-        # Live previews
+        # Live previews - only update when actually changing backgrounds
         video.change(cb_video_changed, inputs=[video], outputs=[video_preview])
         custom_bg.change(cb_custom_bg_preview, inputs=[custom_bg], outputs=[custom_bg_preview_img])