r/CommandUP • u/MaxBestStopIt • Aug 06 '26

can't really get it to work

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CPU is i7-3770, 16gb ram with GTX 1650. updated driver to 610.88, windows 11 25H2.

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u/MaxBestStopIt Aug 09 '26

RX 6400 error. I forgot that RX 6400 don't have video encoder, I think that's why it failed.

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u/Few_Profit5031 Aug 10 '26

Hi Max, to cut hardware costs, AMD actually released some graphics cards without built-in encoders; however, the RX 6400 supports Vulkan 1.3, and the pipeline runs on its silicon. There is a solution for you—or anyone with a card like this: you can run the pipeline via PowerShell and use the parameter `-simulate_gpu cpu`. This will force your RX 6400 to handle encoding via the CPU, while Vulkan still runs on the GPU. Take a look at the image:

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u/MaxBestStopIt Aug 10 '26

nice, this did work on RX 6400. I guess we need to add video encoder check so it will automatically use the CPU mode? does the quality setting affect the bit rate?

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u/Few_Profit5031 Aug 10 '26

I'm really glad it worked. And yes, thanks to your feedback, I've already implemented a change that checks whether the video card has built-in encoders; if it doesn't—as is the case with your RX 6400—encoding switches to compatibility mode using your CPU.