Question / Help Minimizing delay?

[Fyren]

I set up my own RTMP server using nginx and the RTMP plugin. With a basic setup I get roughly 3s delay, whether the server is running remotely (Linux; about 85ms ping time to server) or locally (on the same machine I'm running OBS on; native Windows and not using a VM).

I tried playing with the video encoding options and using tune=zerolatency slightly improves things to maybe 2s delay, but looks horrible. Nothing else seemed to make a noticable difference.

Is there a reasonable way to reduce this, or is this about the best I'm going to get?

 

[dodgepong]

That's pretty much the best you're going to get. RTMP isn't meant to be a real-time video delivery system, and 3 seconds of delay seems pretty consistent with my experience.

 

[Fyren]

Do you happen to know of any alternatives I could play with, whether or not OBS is involved? I don't really know of any besides maybe ffmpeg/ffserver.

 

[dodgepong]

Skype? I mean, it sounds like you're trying to use streaming for a purpose that it's not designed for.

 

[Fyren]

Since Twitch's recent changes to their end increased delay substantially (seems like my friend and I get like 15s of delay), I was wondering if I can do better. I'm only streaming for a few friends at most my server can handle the bandwidth. I'm basically on vacation for a while so I have time to spend on it.

 

[hilalpro]

You can also try reducing the client buffering length, OBS's scenes buffering time to around 400ms and the encoder bufsize which when all combined should allow for up to 1 second less delay.