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Troubleshooting CPU overload in Vmix with 3 cameras and Blackmagic capture card
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GameWithSasha  
#1 Posted : Wednesday, March 27, 2024 8:03:39 AM(UTC)
GameWithSasha

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I encountered a problem when adding 3 SDI cameras through the Decklink Duo 2 to Vmix. Strangely, when each camera is added, the CPU starts to heavily stutter. After the first camera, it's at 5%, after the second, it's at 50%, and after the third, it jumps to 100%. Interestingly, when performing similar actions in OBS, the CPU load is only at 3%, and all cameras work simultaneously without issues. The problem is likely in the settings, and high-performance mode is enabled in Vmix. All drivers are up to date, and connections are correct.
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kross  
#2 Posted : Wednesday, March 27, 2024 10:29:02 AM(UTC)
kross

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You're going to need to provide a lot more detail than that.

What is your hardware? CPU, motherboard, etc.
What video format? What are all the settings on the input properties when you add the camera to vmix? (resolution, frame rate, interlaced, video format)
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GameWithSasha  
#3 Posted : Monday, May 27, 2024 11:01:42 PM(UTC)
GameWithSasha

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Ukraine
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Windows 10 Pro 64-bit
Intel Core i7 8700K 3.7Ghz
GTX 1080TI 11gb

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32(8GB*4)GB DDR4 2133GHz
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Intel Cannon Point z390, Intel Coffee Lake-S

Format: 1920/1080 30p SDI
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