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Stream BG and recording - How to record cams without the streaming layout
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ukcpw  
#1 Posted : Thursday, September 12, 2019 1:31:41 AM(UTC)
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Hi everyone

I have to Stream a live show, and the final output will be a BG loop video (100% of the screen) with the cam switched over it (80% of the screen).

What would be the best way to do this ? I need to keep tally with cams.

How can I record my switching 100% without the BG loop ?

Thanks for your time, and long live vMix !
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doggy  
#2 Posted : Thursday, September 12, 2019 2:40:00 AM(UTC)
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think one has to think a bit in reverse here sort of

do your regular switching as normal (output1) and record that
Load as input a NDI from output 1 ( you could also record that one)
Have your BG input multilayered with the NDI input (@ 80%), specify output 2 as that input and stream that

if you have the proper license for multiple outputs
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ukcpw  
#3 Posted : Thursday, September 12, 2019 6:01:49 AM(UTC)
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Yes I have the 4K version, that should work.

Thanks !
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ukcpw  
#4 Posted : Thursday, September 12, 2019 7:50:14 PM(UTC)
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Hi Doggy,

It works, but I have a large delay between my switching output (1) and my mdi input of this output, around a 1/2 second... which is a problem with the screen of the event (is on output 2)...

It seems weird that there is so much delay...
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doggy  
#5 Posted : Thursday, September 12, 2019 8:16:14 PM(UTC)
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I know it works as i always check before suggesting ;-)

but is indeed NOT normal that you have a 1/2 second delay

btw you only mentioned for streaming not displaying locally , maybe there is a bottleneck there or does the same happens without streaming or displaying on eventscreen ?
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ukcpw  
#6 Posted : Thursday, September 12, 2019 10:34:40 PM(UTC)
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Actually the NDI input itself is delayed. So when I create the multiview input with it it's already delayed.
As I'm just testing now, I didn't Stream, just watching on a HDMI screen to see if everything works first.
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doggy  
#7 Posted : Thursday, September 12, 2019 11:05:05 PM(UTC)
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My i suggest you create a new post in the NDI section regarding this latency/delay

specify as much as you can about your hardware, graphics card used, video settings etc

Something is delaying it and it's not supposed to be delayed , definitely locally on the same computer

You can also check the NDI signal with the Studio Monitor from the NDI tools
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ukcpw  
#8 Posted : Thursday, September 12, 2019 11:51:00 PM(UTC)
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Will do that. Same issue watching NDI Monitor on output 1... and a lot worse watching output 2...
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