ffmpeg examples

ffmpeg-examples.txt

## mp4 to ogv

   ffmpeg -i VIDEO.mp4 -acodec vorbis -aq 3 -strict -2 -qscale:v 18 VIDEO.ogv


## PAL VIDEO CD (VCD)

  ffmpeg -i /path/file.avi -target pal-vcd -s 352x192 -padtop 32 -padbottom 32 -ab 128 /path/output.mpg

  vcdimager -t vcd2 -l "LABEL" -c videocd.cue -b videocd.bin output.mpg

  cdrecord -dao cuefile=videocd.cue speed=8 (..)

ffmpeg_webcam.sh

#!/bin/bash 
while true; do  
  if [[ $(df / -m --output=avail | grep -v Avail) -gt "500" ]]; then
        ffmpeg -an \
        -f video4linux2 \
        -i /dev/video1 \
        -video_size 320x240 \
        -t 00:10:00 \
        -framerate 8 \
        -vf "hflip,vflip,format=yuv420p" \
        -metadata:s:v rotate=0 \
        -qscale:v 6 \
        -n \
        -loglevel quiet \
        /tmp/$(date +%s-%N).ogv
        sleep 2s
    else 
        exit 1
    fi
done