A primary challenge stems from the fact that most video surveillance software relies on the FFmpeg libraries. While FFmpeg is universal, it requires specific parameters and decoding streams, which vary depending on the IP camera model. Every camera manufacturer might need different parameters set, such as frames per second, resolution, and audio and video codecs. This makes the system inherently complicated.
VLC is a more or less universal RTSP stream player. However, its limitations and drawbacks, especially in the realm of video surveillance, are apparent. When using FFmpeg for video stream re-streaming or for adjusting video resolutions, significant computer resources are required.