Update app.py

app.py

@@ -80,6 +80,8 @@ def make_video(video_path, outdir='./vis_video_depth', encoder='vits'):
         raw_video = cv2.VideoCapture(filename)
         frame_width, frame_height = int(raw_video.get(cv2.CAP_PROP_FRAME_WIDTH)), int(raw_video.get(cv2.CAP_PROP_FRAME_HEIGHT))
         frame_rate = int(raw_video.get(cv2.CAP_PROP_FPS))
+        if frame_rate < 1:
+            frame_rate = 1
         cframes = int(raw_video.get(cv2.CAP_PROP_FRAME_COUNT))
         print(f'frames: {cframes}, fps: {frame_rate}')
         # output_width = frame_width * 2 + margin_width