Update result path of video

src/gradio_demo.py

@@ -6,6 +6,8 @@ from src.test_audio2coeff import Audio2Coeff
 from src.facerender.animate import AnimateFromCoeff
 from src.generate_batch import get_data
 from src.generate_facerender_batch import get_facerender_data
+from datetime import datetime
+
 
 from src.utils.init_path import init_path
 
@@ -63,7 +65,7 @@ class SadTalker():
             raise(RuntimeError('Unknown model: {}'.format(facerender)))
             
 
-        time_tag = str(uuid.uuid4())
+        time_tag = datetime.now().strftime("%Y%m%d_%H%M%S") + "_" + str(uuid.uuid4())
         save_dir = os.path.join(result_dir, time_tag)
         os.makedirs(save_dir, exist_ok=True)