#!/bin/bash
#MythIPod v.1 http://www.chiefhacker.com/                                                 
#Copyright 2007 Chris Lorenzo et al                 
#This software is licensed under the CC-GNU LGPL
#<http://creativecommons.org/licenses/LGPL/2.1/>
#Additionally modified 2007 Doug Johnson
#Changed again by Too Many Secrets 2008
#vid2ipod v.01


if [ ! $# == 2 ]; then
  echo "Usage: $0 directory file"
  exit
fi

directory="$1";
file="$2";

#Find video info
video_info=`mplayer -vo null -ao null -frames 10 -identify "${directory}/${file}" 2>/dev/null`

#Determine aspect and other details
aspect=`echo $video_info | egrep -oe "Movie-Aspect is [0-9:.]+" | egrep -o "[0-9:.]+"`
framerate=`echo $video_info | egrep -oe "[0-9.]+ fps" | egrep -o "[0-9.]+"`

#Set resolution based on aspect

if [ "$aspect" == "1.78:1" ]
then
  width=432
  height=240
  vbitrate=480k
else
  width=480
  height=360
  vbitrate=378k
fi

abitrate=128k

#Create .mp4 file in /myth/ipodfeed/ directory.
#Change -map 0.1:0.1 as needed to find desired audio stream.

ffmpeg -i "${directory}/${file}"  -s ${width}x${height} -map 0.0:0.0 -vcodec mpeg4 -b ${vbitrate} -flags +aic+mv4+trell -mbd 2 -cmp 2 -subcmp 2 -g 250 -maxrate 512k -bufsize 2M -map 0.1:0.1 -ab ${abitrate} -title "${file}" "/myth/ipodfeed/${file}.ipod.mp4"

#Create xml file in /myth/ipodfeed/ directory.

echo "Creating xml file"
echo "<item>" > /myth/ipodfeed/"${file}".ipod.xml
echo "<title>${file}</title>" >> /myth/ipodfeed/"${file}".ipod.xml
echo "<itunes:author>MythTV</itunes:author>" >> /myth/ipodfeed/"${file}".ipod.xml
echo "<author>MythTV</author>" >> /myth/ipodfeed/"${file}".ipod.xml
echo "<itunes:category text='"TV Shows"'></itunes:category>" >> /myth/ipodfeed/"${file}".ipod.xml
echo "<comments></comments>" >> /myth/ipodfeed/"${file}".ipod.xml
echo "<description></description>" >> /myth/ipodfeed/"${file}".ipod.xml
echo "<pubDate>date</pubDate>" >> /myth/ipodfeed/"${file}".ipod.xml
echo "<enclosure url='"http://your_ip_address/ipodfeed/${file}.ipod.mp4"' type='"video/quicktime"' />" >> /myth/ipodfeed/"${file}".ipod.xml
echo "<itunes:duration></itunes:duration>" >> /myth/ipodfeed/"${file}".ipod.xml
echo "<itunes:keywords>'"${file}"'</itunes:keywords>" >> /myth/ipodfeed/"${file}".ipod.xml
echo "<category></category>" >> /myth/ipodfeed/"${file}".ipod.xml
echo "</item>" >> /myth/ipodfeed/"${file}".ipod.xml
echo "xml file finished :)"