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pavel-kirienko/capture.sh

Created April 16, 2021 14:54
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Capture high-frame-rate, high-resolution video of the desktop using ffmpeg
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capture.sh
# Capture high-frame-rate, high-resolution video of the desktop using ffmpeg.
# The key options are: -c:v libx264 -f flv -vb 1000M -deadline realtime -cpu-used 12
# Without these, the output video peaks at ~5 fps or so.
ffmpeg -video_size 3840x2080 -f x11grab -i :0.0+3840,0 -c:v libx264 -f flv -vb 1000M -deadline realtime -cpu-used 12 output.mp4 -y
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