Allows to set the upscale factor for gfpgan face_enhancer

modules/core.py

@@ -71,6 +71,9 @@ def parse_args() -> None:
     program.add_argument('--execution-threads', help='Number of execution threads', dest='execution_threads', type=int,
                          default=suggest_execution_threads())
     program.add_argument('--headless', help='Run in headless mode', dest='headless', default=False, action='store_true')
+    program.add_argument('--enhancer_upscale_factor',
+                         help='Sets the upscale factor for the enhancer. Only applies if `face_enhancer` is set as a frame_processor',
+                         dest='enhancer_upscale_factor', type=int, default=1)
     program.add_argument('-v', '--version', action='version',
                          version=f'{modules.metadata.name} {modules.metadata.version}')
 
@@ -100,7 +103,7 @@ def parse_args() -> None:
     modules.globals.execution_providers = decode_execution_providers(args.execution_provider)
     modules.globals.execution_threads = args.execution_threads
     modules.globals.headless = args.headless
-
+    modules.globals.enhancer_upscale_factor = args.enhancer_upscale_factor
     # Handle face enhancer tumbler
     modules.globals.fp_ui['face_enhancer'] = 'face_enhancer' in args.frame_processor
 

modules/globals.py

@@ -30,3 +30,4 @@ fp_ui: Dict[str, bool] = {}
 nsfw = None
 camera_input_combobox = None
 webcam_preview_running = False
+enhancer_upscale_factor = 1

modules/processors/frame/face_enhancer.py

@@ -33,7 +33,10 @@ def get_face_enhancer() -> Any:
     with THREAD_LOCK:
         if FACE_ENHANCER is None:
             model_path = resolve_relative_path('../models/GFPGANv1.4.pth')
-            FACE_ENHANCER = gfpgan.GFPGANer(model_path=model_path, upscale=1)  # type: ignore[attr-defined]
+            FACE_ENHANCER = gfpgan.GFPGANer(
+                model_path=model_path,
+                upscale=modules.globals.enhancer_upscale_factor
+            )  # type: ignore[attr-defined]
     return FACE_ENHANCER
 
 def enhance_face(temp_frame: Frame) -> Frame: