Possible to 'prime' pipeline with frame size/etc?

[Michael Tyson]

Hello!

I’m putting together a realtime video monitoring application with a cairo overlay, in C.

Until the first RTP video packets arrive, there’s no visual - the pipeline’s got no video format information, so it’s waiting to receive the first frames.

I’d ideally like to display a blank screen, but primed with the expected screen resolution, ideally with something like a “waiting for video” caption. Is something like this at all possible with GStreamer?

Cheers,
Michael





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