stdin

stdin.txt

#!/bin/bash

# http://www.cyberciti.biz/tips/howto-linux-create-video-dvds.html
# http://www.linuxtv.org/wiki/index.php/MEncoder
# http://www.mplayerhq.hu/DOCS/HTML/en/menc-feat-vcd-dvd.html

if [[ -f ~/.hvtrc ]]
then
  source ~/.hvtrc
fi

usage()
{
cat << EOF
usage: $0 options

This script is used for capturing home videos and should produce files small enough to fit on a 4.7gb dvd.

CONFIGURATION

  Set configuration variables inside the config file: ~/.hvtrc

ENVIRONMENT VARIABLES

  AUDIO_DEVICE : The audio device to record from. Accepted format looks like this "hw.2,0".
                 Use "arecord -l" to find out which card you wish to record from.

  RECORDING_PATH: This is a path to the directory you wish to store the recordings.
                  Acceptable format is: "~/path/to/dir" or "/path/to/dir"


  OPTIONS:
     -h      Show this message
     -n      The name of home video you are working on (required)
     -v      Verbose
EOF
}

while getopts “n:vh” OPTION
do
     case $OPTION in
         h)
             usage
             exit 1
             ;;
         n)
             NAME=$OPTARG
             FILE=$RECORDING_PATH/$NAME.mpg
             ;;
         v)
             VERBOSE=1
             ;;
         ?)
             usage
             exit
             ;;
     esac
done


if [[ -z $NAME ]] || [[ -z $RECORDING_PATH ]]
then
     usage
     exit 1
fi

mencoder -endpos 03:00:00 \
  -tv driver=v4l2:norm=ntsc:forceaudio:alsa:audiorate=48000:adevice=$AUDIO_DEVICE tv:// \
  -vf pp=ci \
  -srate 48000 \
  -af lavcresample=48000 \
  -lavcopts vcodec=mpeg2video:vrc_buf_size=1835:vrc_maxrate=8000:vbitrate=3700:keyint=15:trell:mbd=2:precmp=2:subcmp=2:dia=-10:predia=-10:cbp:mv0:dc=10:vqmin=1:lmin=1:vstrict=0:acodec=ac3:abitrate=192:aspect=4/3:threads=8 \
  -ofps 30000/1001 \
  -ovc lavc \
  -oac lavc \
  -of mpeg \
  -mpegopts format=dvd:tsaf \
  -o $FILE