sudo apt-get update sudo apt-get install -y libgbm-dev
# ffmpeg 3.4.1 conda install ffmpeg x264=20131218 -c conda-forge # ffmpeg 4 conda install x264=='1!152.20180717' ffmpeg=4.0.2 -c conda-forge
conda update ffmpeg
sudo apt-get install libaio1 libaio-dev