% ffprobe, ffmpeg
# Info zu Video anzeigen
ffprobe -i <input-file>

% ffmpeg, flv, mpeg
# .flv zu mpeg konvertieren
ffmpeg -i <prefix>.flv -ab <audio-bitrate> -ar <sample-rate> -b <bitrate> -s <size> <prefix>.mpg
$ audio-bitrate: echo -e "56\n32k" --- --fzf-overrides '--no-select-1'
$ sample-rate: echo -e "44100\n22050\n16000\n8000" --- --fzf-overrides '--no-select-1'
$ bitrate: echo "500" --- --fzf-overrides '--no-select-1'
$ size: echo -e "320x240\n176x144" --- --fzf-overrides '--no-select-1'

% ffmpeg, 3gp
@ ffmpeg, flv, mpeg
# zu 3gp konvertieren
ffmpeg \
    -i <input-file> \
    -f 3gp \
    -vcodec h263 \
    -s 176x144 \
    -qscale <qscale> \
    -acodec <audio-codec> \
    -ab <audio-bitrate> \
    -ar <sample-rate> \
    <output-file-prefix>.3gp
$ video-codec: echo "h263" --- --fzf-overrides '--no-select-1'
$ qscale: echo "2" --- --fzf-overrides '--no-select-1'
$ audio-codec: echo "aac" --- --fzf-overrides '--no-select-1'

% ffmpeg, rotate
# um 90° im Uhrzeigersinn drehen
ffmpeg -i <input-file> -vf "transpose=1" <output-file>

% ffmpeg, video-cut
# Video schneiden
ffmpeg -i <input-file> -ss <start-time> -t <dauer> -acodec copy -vcodec copy -async 1 <output-file>
$ start-time: echo "00:00:00" --- --fzf-overrides '--no-select-1'
$ dauer: echo "00:01:00" --- --fzf-overrides '--no-select-1'