fix path conflict

app.py

@@ -112,7 +112,9 @@ def audio2video(input_audio, ref_img, headpose_video=None, size=512, steps=25, l
     time_str = datetime.now().strftime("%H%M")
     save_dir_name = f"{time_str}--seed_{seed}-{size}x{size}"
 
-    save_dir = Path(f"output/{date_str}/{save_dir_name}")
+    save_dir = Path(f"a2v_output/{date_str}/{save_dir_name}")
+    while os.path.exists(save_dir):
+        save_dir = Path(f"a2v_output/{date_str}/{save_dir_name}_{np.random.randint(10000):04d}")
     save_dir.mkdir(exist_ok=True, parents=True)
 
     ref_image_np = cv2.cvtColor(ref_img, cv2.COLOR_RGB2BGR)
@@ -220,7 +222,9 @@ def video2video(ref_img, source_video, size=512, steps=25, length=60, seed=42):
     time_str = datetime.now().strftime("%H%M")
     save_dir_name = f"{time_str}--seed_{seed}-{size}x{size}"
 
-    save_dir = Path(f"output/{date_str}/{save_dir_name}")
+    save_dir = Path(f"v2v_output/{date_str}/{save_dir_name}")
+    while os.path.exists(save_dir):
+        save_dir = Path(f"v2v_output/{date_str}/{save_dir_name}_{np.random.randint(10000):04d}")
     save_dir.mkdir(exist_ok=True, parents=True)
     
     ref_image_np = cv2.cvtColor(ref_img, cv2.COLOR_RGB2BGR)