添加util.flask；video_clip编辑逻辑

workflow/video.py

@@ -52,6 +52,12 @@ def handle_ffmpeg_output(stderr: IO[bytes]) -> None:
             print("Speed", speed.strip())
 
 
+
+def duration_str_to_float(duration_str) -> float:
+    _duration = datetime.strptime(duration_str, "%H:%M:%S.%f") - datetime(1900, 1, 1)
+    return _duration.total_seconds()
+
+
 def quick_split_video(file):
     if not os.path.isfile(file):
         raise FileNotFoundError(file)
@@ -59,8 +65,7 @@ def quick_split_video(file):
     _create_dt = os.path.splitext(file_name)[0]
     create_dt = datetime.strptime(_create_dt, "%Y%m%d_%H%M")
     _duration_str = get_video_real_duration(file)
-    _duration = datetime.strptime(_duration_str, "%H:%M:%S.%f") - datetime(1900, 1, 1)
-    duration = _duration.total_seconds()
+    duration = duration_str_to_float(_duration_str)
     current_sec = 0
     while current_sec < duration:
         current_dt = (create_dt + timedelta(seconds=current_sec)).strftime("%Y%m%d_%H%M_")