Got black screen when recording screen from xvfb by ffmpeg x11grab device
- by shawnzhu
I'm trying to record video from a firefox run by xvfb-run but it always output nothing in the video file except black screen.
Here's what I did:
start a firefox, open google.com:
$ xvfb-run firefox https://google.com
Then it will use the default display server number 99. I can see the display information by command xdpyinfo -display :99.
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