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@CAFxX
Created March 1, 2021 02:04
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ffmpeg screencast for macos
# there's a bunch of things that don't work properly:
# - can't capture computer audio output - it desyncs
# - need to change the input devices (`-i "v:a"`) based on the output of `ffmpeg -f avfoundation -list_devices true -i ""`
ffmpeg \
-thread_queue_size 150 -f avfoundation -probesize 50M -framerate 30 -pix_fmt uyvy422 -i "2:3" \
-thread_queue_size 150 -f avfoundation -probesize 50M -framerate 30 -pix_fmt uyvy422 -capture_cursor 1 -capture_mouse_clicks 1 -i "4" \
-filter_complex '
[1]fps=fps=30[scr],
[scr]scale=-1:1440[scr],
[0]fps=fps=30[cam],
[cam]crop=ih/1.6180339887:ih[cam],
[cam]scale=-1:1440[cam],
[scr][cam]hstack[vout],
[0:a]afftdn[aout]
' \
-map '[vout]' -c:v hevc_videotoolbox -b:v 5000k \
-map '[aout]' -c:a libopus -b:a 256k \
-y output.mkv
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