Define default retargeting values to avoid errors if UI is not fully ready when calling backend

Author: dimitribarbot

liveportrait/gradio_pipeline.py

@@ -250,26 +250,26 @@ def execute_video(
     @torch.no_grad()
     def execute_image_retargeting(
         self,
-        input_eye_ratio: float,
-        input_lip_ratio: float,
-        input_head_pitch_variation: float,
-        input_head_yaw_variation: float,
-        input_head_roll_variation: float,
-        mov_x: float,
-        mov_y: float,
-        mov_z: float,
-        lip_variation_zero: float,
-        lip_variation_one: float,
-        lip_variation_two: float,
-        lip_variation_three: float,
-        smile: float,
-        wink: float,
-        eyebrow: float,
-        eyeball_direction_x: float,
-        eyeball_direction_y: float,
-        input_image,
-        source_face_index: float,
-        retargeting_source_scale: float,
+        input_eye_ratio: float=0.0,
+        input_lip_ratio: float=0.0,
+        input_head_pitch_variation: float=0.0,
+        input_head_yaw_variation: float=0.0,
+        input_head_roll_variation: float=0.0,
+        mov_x: float=0.0,
+        mov_y: float=0.0,
+        mov_z: float=1.0,
+        lip_variation_zero: float=0.0,
+        lip_variation_one: float=0.0,
+        lip_variation_two: float=0.0,
+        lip_variation_three: float=0.0,
+        smile: float=0.0,
+        wink: float=0.0,
+        eyebrow: float=0.0,
+        eyeball_direction_x: float=0.0,
+        eyeball_direction_y: float=0.0,
+        input_image=None,
+        source_face_index: float=0.0,
+        retargeting_source_scale: float=2.5,
         flag_stitching_retargeting_input=True,
         flag_do_crop_input_retargeting_image=True):
         """ for single image retargeting