#!/bin/bash
encoder="/home/xero/misc/scripts/timed-copy"
savedir="/home/xero/tmp/video"
statfile="/home/xero/misc/scripts/.tvstat"
channel="32"
timer="29.9"
input=0
card=0
sat=72
cont=68
bright=134

#brighter
#sat="72"
#cont="72"
#bright="152"

#default
#sat="64"
#cont="64"
#bright="128"

#kouga
#sat="90"
#cont="64"
#bright="120"

while getopts c:o:t:plkdsqh name
do
  case $name in
    c) channel="$OPTARG";;
    o) filename="$OPTARG";;
    t) timer="$OPTARG";;
    p) play=1;;
    l) listrec=1;;
    k) kill=1;;
    d) card=1;input=1;;
    s) card=1;;
    q) quiet=1;;
    h|?) help=1;;
  esac
done

device="/dev/video$card"

if [ $help ]; then
  echo -e "Usage: `basename $0` [OPTIONS] [-l|-k|-p|-o FILE]"
  echo -e "  -c	channel 1-125"
  echo -e "  -o	output file name"
  echo -e "  -t	record duration <[[hh:]mm:]ss[.ms]|size[b|kb|mb]>"
  echo -e "  -p	play instead of record"
  echo -e "  -l	list currently recording"
  echo -e "  -k	kill recording"
  echo -e "  -s	use second card"
  echo -e "  -d	use dvr on second card"
  echo -e "  -q	quiet recording output"
  echo -e "  -h	display this help and exit"
  exit 0
elif [ $listrec ]; then
  if [ -e $statfile.0 -o -e $statfile.1 ]; then
    cat $statfile.*
    exit $?
  fi
  echo "No instances found" 
  exit 1
elif [ $kill ]; then
  if [ -e $statfile.$card ]; then
    pid=`tail -n1 $statfile.$card`
    kill -TERM `ps -ef| awk '$3 == '$pid' { print $2 }'`
    exit $?
  fi
  echo "No instance found to kill"
  exit 1
elif [ $play ]; then
  v4l2-ctl -d$card -csaturation=$sat,contrast=$cont,brightness=$bright \
  -ctemporal_filter_mode=1,spatial_filter_mode=1,median_filter_type=3 -i$input
  ivtv-tune -d$device -c$channel
  mplayer $device -vf crop=698:472:12:2,pp=lb,dsize=4/3 -framedrop -nocache
  exit $?
elif [ ! $filename ]; then
  echo "Must specify filename. See -h:"
  $0 -h
  exit 1
fi

date=`date +%b%d-%H.%M`
filename="$filename-$date"

while [ -e "$savedir/$filename.mpg" ]; do
  filename="${filename%-$date}-1-$date"
done

if fuser $device >/dev/null 2>&1; then
  echo -e "Subject: TV Recording Error\n$filename\nInstance found, killing\n`fuser -vk15 $device >/dev/stdout 2>&1`"|/usr/lib/sendmail xero@xeron.cc
  sleep 5
  if fuser $device >/dev/null 2>&1; then
    echo -e "Subject: TV Recording Error\n$filename\nInstance didn't die, forcing\n`fuser -vk $device >/dev/stdout 2>&1`"|/usr/lib/sendmail xero@xeron.cc
    sleep 2
  fi
fi

record() {
#min=`echo $timer|egrep -o .*: || echo 0:`
#timer=$(( ${min/:/} * 60 + ${timer/$min/} ))

v4l2-ctl -d$card -csaturation=$sat,contrast=$cont,brightness=$bright \
-ctemporal_filter_mode=1,spatial_filter_mode=1,median_filter_type=3 -i$input
ivtv-tune -d$device -c $channel
$encoder -v -m $timer < $device > $savedir/$filename.mpg

#cat $device > $savedir/$filename.mpg < /dev/tty &
#recpid=$!
#sleep $timer
#kill $recpid
}

echo -e "Recording ${filename%-$date} on channel $channel at $date for $timer on card $card\n$$" > $statfile.$card 

if [ $quiet ]; then
  record >/dev/null 2>&1 
else
  record
fi

rm -f $statfile.$card