: Qt cannot find the plugin or the plugin is incompatible with your Qt version.
However, if you are starting a new project in 2025 or beyond, consider this plugin as a “last resort.” The industry is moving toward WebRTC, LL-HLS, and SRT (Secure Reliable Transport). That said, for maintaining existing systems or for hobbyist tinkerers connecting a few IP cameras to a simple player, Rtspvideoplugin.zip offers a lightweight, no-fuss solution. Rtspvideoplugin.zip