#!/bin/sh
# Copyright © 2001, 2005 Jamie Zawinski <jwz@dnalounge.com>
#
# Permission to use, copy, modify, distribute, and sell this software and its
# documentation for any purpose is hereby granted without fee, provided that
# the above copyright notice appear in all copies and that both that
# copyright notice and this permission notice appear in supporting
# documentation.  No representations are made about the suitability of this
# software for any purpose.  It is provided "as is" without express or 
# implied warranty.
#
# Created: 23-May-01.

PATH=/usr/local/bin:$PATH
PATH=/home/jwz/src/slideshow:$PATH
export PATH

progname=slideshow-grab

delay=1

grab_init() {
  echo "started at `date`"

  # make sure the kernel module is loaded
  echo "loading bttv module"
  modprobe bttv
  v4lctl setnorm ntsc

  # settle down
  echo "pausing..."
  sleep 5
}

grab_loop() {
  grab_init
  echo "looping..."
  while true ; do
    slideshow-grab.sh
    sleep $delay
  done
}

# log all stdout/stderr text to syslog
log_lines() {
  while read line ; do
    logger -st "$progname" "$line"
  done
}

grab_loop 2>&1 | log_lines

exit 0