#!/bin/sh

# 
# Author: Nicolas GUILLAUME <ng@ngsoft-fr.com>
#
# usage: mplayer-scan-dvb zone where zone is something like fr-Nancy (for Nancy in France...)
#  Zones are in /usr/share/dvb/dvb-t/
#  Scan only if the channels.conf file for the zone does not exist.
#

ZPREFIX=dvb-t
ZPATH="/usr/share/dvb/$ZPREFIX/$1"
CPATH="channels.$1.conf"

if [ "$1" = "" ]
then
  echo "usage: mplayer-scan-dvb <zone>" >&2
  echo "        where zone is in " >&2
  cd $ZPATH
  ls
  exit
fi

cd ~/.mplayer

[ -s "$CPATH" ] || rm "$CPATH"

if ! [ -r "$CPATH" ]
then
  echo "Scanning $1..."
  if ! [ -r "$ZPATH" ]
  then
    echo "unable to open $ZPATH" >&2
    exit 1
  fi
  dvbscan "$ZPATH" > "$CPATH"
else
  echo "Scan already done."
fi

rm channels.conf
ln -s "$CPATH" channels.conf

echo "$1 activated. Available services:"
grep BANDWIDTH "$CPATH" | cut -d: -f1