Created
February 26, 2019 22:47
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Screen capture with webcam overlay using ffmpeg
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| ffmpeg -f x11grab -thread_queue_size 64 -video_size 1920x1080 -framerate 30 -i :1 \ | |
| -f v4l2 -thread_queue_size 64 -video_size 320x180 -framerate 30 -i /dev/video0 \ | |
| -filter_complex 'overlay=main_w-overlay_w:main_h-overlay_h:format=yuv444' \ | |
| -vcodec libx264 -preset ultrafast -qp 0 -pix_fmt yuv444p \ | |
| video.mkv |
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Source: https://unix.stackexchange.com/questions/73622/how-to-get-near-perfect-screen-recording-quality