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Hardware encoder availability check
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niemi  
#1 Posted : Wednesday, September 19, 2018 9:30:34 AM(UTC)
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Most graphics cards used in vMix builds support up to two concurrent hardware encodings.

On such a system you can still select up to five "Use Hardware Encoder" sessions (counting both recordings streams).

If vMix could

1) determine the number of available hardware encode sessions on the graphics card in use, and
2) then prevent the user from enabling too many hardware encoding sessions

This would potentially help users avoid misconfiguring vMix, and to avoid a critical error when starting recordings / streams.
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JoseL  
#2 Posted : Wednesday, September 19, 2018 11:12:36 AM(UTC)
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+1
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mavik  
#3 Posted : Wednesday, September 19, 2018 3:18:42 PM(UTC)
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Send out a note might be ok. Preventing a user to setup too many encodes is maybe bad. I know I hate the Wirecast USB bandwidth check. I block the usage of an device. The intention is good but I want to warn not to shoot over the top.
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mjgraves  
#4 Posted : Wednesday, September 19, 2018 4:12:02 PM(UTC)
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It might be difficult to know precisely what the GPU can sustain.

As an alternative, how about showing a running count of how many places are set to "User Hardware Encoder?"
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JoseL  
#5 Posted : Wednesday, September 19, 2018 5:44:06 PM(UTC)
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Problem is for example.
I have a quadro p4000, i can encode infinite streams with hardware, but when is set more than 7-8 streams at 1080 50p, it start to drop frames because gpu is full. But no any stream are encoded into cpu. How i can use multicorder for more than 7?.

I think vmix must have a limit of hardware encoded streams, maybe user can set this limit if can not be auto.
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