Update track.py

track.py

@@ -336,7 +336,7 @@ def parse_opt():
     parser.add_argument('--save-conf', action='store_true', help='save confidences in --save-txt labels')
     parser.add_argument('--save-crop', action='store_true', help='save cropped prediction boxes')
     parser.add_argument('--save-trajectories', action='store_true', help='save trajectories for each track')
-    parser.add_argument('--save-vid', action='store_true', help='save video tracking results')
+    parser.add_argument('--save-vid', action='store_true',default=True, help='save video tracking results')
     parser.add_argument('--nosave', action='store_true', help='do not save images/videos')
     # class 0 is person, 1 is bycicle, 2 is car... 79 is oven
     parser.add_argument('--classes', nargs='+', type=int, help='filter by class: --classes 0, or --classes 0 2 3')