The VideoLAN Forums

Yes, RTCP can be used if trying to sync multiple streams, like video and audio. In fact, it is the way to accomplish that. But, it is optional, and if absent leaves it up to the client to figure out something, or nothing, and just hope. What I am running into is that sending a single RTP video only ...

I know this is ancient, but I want to clarify a misleading earlier response, having just encountered the same warning. It is a permission error in the sense that no permission can be granted for accessing the resource that doesn't exist. But there is unlikely a permissions available to be granted to...