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	Video capture devices, DirectShow and vMix
	 
	
        
            
            
    
        
	Rank: Newbie
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 Joined: 3/2/2025(UTC) Posts: 1   
	 
	
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                Hi everyone, 
  I am trying to understand a bit more in depth how video capture is working in vMix. I saw on the supported hardware page that different video capture cards from different manufacturers are listed, and also that "any capture hardware not listed below may work with vMix as long as the hardware provides DirectShow compatible drivers". So I was wondering if vMix's team implemented the different SDKs from the different manufacturers (Decklink SDK for BMD products, AJA's SDK for theirs, VideoMaster SDK from Deltacast, etc) into vMix or if the compatible cards simply got DirectShow drivers that use standard DirectShow filters from which vMix can read video and to which it can output video (like in YUV 4:2:2 10-bit). 
  Also, in the case of NDI, does it also go through DirectShow at some point for vMix being able to receive video from NDI devices or is it managed differently?
  Thank you a lot in advance for the explanations,
  L. 
            
	  
         
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	Rank: Advanced Member
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 Joined: 10/31/2020(UTC) Posts: 186  Thanks: 4 times Was thanked: 42 time(s) in 41 post(s)
  
	 
	
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                I'm 90+% sur vMix uses the actual SDKs for the capture devices mentioned, and uses DirectShow as a fallback, because I see the DLLs for those device manufacturers in the vMix programs folder. Same with NDI. 
            
	  
         
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