ffmpeg supports various hardware decoders/encoders: https://trac.ffmpeg.org/wiki/HWAccelIntro https://trac.ffmpeg.org/wiki/HWAccelIntro I use the h264_videotoo

ffmpeg supports various hardware decoders/encoders: https://trac.ffmpeg.org/wiki/HWAccelIntro https://trac.ffmpeg.org/wiki/HWAccelIntro I use the h264_videotoolbox hardware encoder on macOS all the time! But in my experience, CPU based encoding is always better and offers more fine tune control. It's just slow. And there's all sorts of filters and transformations that aren't possible in hardware. FFmpeg's Nvidia hardware support seems pretty good too. There's an official support doc on using ffmpeg: https://docs.nvidia.com/video-technologies/video-codec-sdk/ffmpeg-with-nvidia-gpu/ https://docs.nvidia.com/video-technologies/video-codec-sdk/f...