Issues in skeleton running main.py

[OliviaNocentini]

Hi! Thank you for this repository, it is really nice. I have one question. I recorded a video with my phone with format .mp4, run the main.py and everything works well. Then I obtained a second video (.mp4) converting the video from a bag file obtained from the Realsense Viewer program. When I run the video with main.py, the video with the skeleton tracking jumps some frames randomly and the program closed before the video is finished. Why something like this is happening? My video last about 5 minutes.