> > Streaming setup > --------------- > > I had a very productive chat with markvandenborre, member of the FOSDEM > team. > They use nginx with the RTMP module to get the feeds out of the rooms into > HLS, > then a bunch of nginx caching frontends to back video.fosdem.org. I think > that's a setup that we will be able to easily replicate. > > I adapted the Debian nginx package to build the RTMP module, and then set > that > up to get video from the encoder cube and stream to YouTube (and locally). > The > result is what you get on the link above, i.e. 8.5 hours of uninterrupted > streaming. CPU usage was pretty low, I think thanks to hardware > acceleration of > H264 on the i7 of the cube. nginx-rtmp-module does the multiplexing, so we > can > stream to our own CDN and to YouTube in parallel if we wish to. > > The behavior is miles ahead from icecast: the most egregious example is : > clients will not drop out when the stream fails to push to nginx, while > icecast > would hang up on people. > > There's still a bunch of things to figure out (most notably, what CDN we > use to > deliver to users), but it seems that the way forward is clear. >
How are you streaming to rtmp? Using gstreamer I assume? xfxf (Ryan) at LCA2017, thaytan had a pipeline which was using Intel's VA-API / VDPAU for acceleration which seem to drastically improve encode performance. * https://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer-vaapi-plugins/html/ch01.html * https://github.com/GStreamer/gst-plugins-bad/tree/master/sys/vdpau Tim 'mithro' Ansell
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