ffmpeg¶

wget https://www.ffmpeg.org/releases/ffmpeg-7.0.tar.gz
tar -zxvf ffmpeg-7.0.tar.gz

cd ffmpeg-7.0
./configure --prefix=/usr/local/ffmpeg --enable-openssl --disable-x86asm
make && make install

vim ~/.bashrc
export PATH=$PATH:/usr/local/ffmpeg/bin
source ~/.bashrc

ffmpeg -version

ffmpeg -i ./data/data_classroom/classroom.mov -qscale:v 1 -qmin 1 -vf fps=8 /path/to/data/input/%04d.jpg