take snapshot on ffmpeg with rpos (https://github.com/BreeeZe/rpos)
#How to: Install Only SnapShot Function:
*login to your pi via ssh
curl -L https://raw.githubusercontent.com/imonology/snapshot_with_ffmpeg/master/setup_snapshot_with_ffmpeg.sh | bash
#enjoy
Install With rpos:
*login to your pi via ssh
curl -L https://raw.githubusercontent.com/imonology/snapshot_with_ffmpeg/master/setup_rpos_with_snapshot.sh | bash
#enjoy