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Cake day: June 10th, 2023

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  • Ah I did some more research and what I said only applies to the older Elgato devices. They did use h264 as the format over usb and you could use that directly without recoding. But they moved to a custom format due to delay and decoding overhead. And ofc you’d want stream ovelays and such which also requires reencoding.



  • You are correct that the Elgato does video encoding. And that if you use your GPU it’s putting a little bit of extra load on the GPU. But it’s negligible since the video encoding is a separate part of the chip. Maybe you’ll lose a percentage of FPS due to power usage snd bandwidth, but honestly the same is probably true for the CPU load caused by USB bandwidth.