I believe gstreamer has support for fMP4: https://gstreamer.freedesktop.org/documentation/fmp4/index.html https://gstreamer.freedesktop.org/documentation/fmp4/i

I believe gstreamer has support for fMP4: https://gstreamer.freedesktop.org/documentation/fmp4/index.html https://gstreamer.freedesktop.org/documentation/fmp4/index.h... I stumbled upon a MoQ video by kixelated a couple months ago and have been meaning to give the above a try, but haven't gotten around to it yet so not sure if it will do the trick.