We need to set this for fast encoding and low-latency streaming setting required by our host/cdn. Currently using vMix with the OBS application and would like to eliminate the OBS application if possible.

-tune zerolatency

Is there a way to do this with vMix (even recently released 24x version) streaming settings with Application: ffmpeg ?

Currently using vMix 21.0.0.61


More info for FFmpeg's -tune
film – intended for high-bitrate/high-quality movie content. Lower deblocking is used here.
animation – intended for cartoons, etc., where deblocking is boosted to compensate for larger, flat areas. More reference frames are used.
grain – this should be used for material that is already grainy. Here, the grain won't be filtered out as much.
stillimage – like the name says, it optimizes for still image encoding by lowering the deblocking filter.
psnr and ssim – these are debugging modes[**debug] to optimize for good PSNR and SSIM values only. Better metrics don't necessarily mean better quality though.
fastdecode – disables CABAC and the in-loop deblocking filter to allow for faster decoding on devices with lower computational power.
zerolatency – optimization for fast encoding and low latency streaming

You can see the detailed options applied with each tune with x264 --fullhelp:

--tune <string> Tune the settings for a particular type of source
or situation
Overridden by user settings.
Multiple tunings are separated by commas.
Only one psy tuning can be used at a time.

- film (psy tuning):
--deblock -1:-1 --psy-rd <unset>:0.15
- animation (psy tuning):
--bframes {+2} --deblock 1:1
--psy-rd 0.4:<unset> --aq-strength 0.6
--ref {Double if >1 else 1}
- grain (psy tuning):
--aq-strength 0.5 --no-dct-decimate
--deadzone-inter 6 --deadzone-intra 6
--deblock -2:-2 --ipratio 1.1
--pbratio 1.1 --psy-rd <unset>:0.25
--qcomp 0.8
- stillimage (psy tuning):
--aq-strength 1.2 --deblock -3:-3
--psy-rd 2.0:0.7

- psnr** (psy tuning):
--aq-mode 0 --no-psy
- ssim** (psy tuning):
--aq-mode 2 --no-psy

- fastdecode:
--no-cabac --no-deblock --no-weightb
--weightp 0
- zerolatency:
--bframes 0 --force-cfr --no-mbtree
--sync-lookahead 0 --sliced-threads
--rc-lookahead 0

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