XSLT-template to output a VLC playlist suitable to convert to MP4 files

aplan.xslt

<stylesheet version="1.0" 
	    xmlns="http://www.w3.org/1999/XSL/Transform" 
	    xmlns:strings="http://exslt.org/strings"
	    xmlns:xspf="http://xspf.org/ns/0/">

  <output method="text" encoding="utf-8"/>

  <variable name="apos">'</variable>

  <param name="outdir" select="'/data1/var/tmp'"/>
  <param name="pre"    select="'avconv -ec guess_mvs -i '"/>
  <param name="mid1"   select="' -preset veryslow -tune film -acodec libfdk_aac -metadata title='"/>
  <param name="mid2"   select="' -metadata:s:a language=ger -threads auto -f mp4 -y '"/>
  <param name="post"   select="'&#xa;&#xa;'"/>

  <template match="/">
    <text>&#xa;</text>
    <apply-templates select="xspf:playlist/xspf:trackList/xspf:track"/>
  </template>

  <template match="xspf:track">
    <apply-templates select="xspf:location"/>
  </template>
  
  <template match="*">
    <param name="input"  select="normalize-space(strings:replace(strings:decode-uri(.), 'file://', ''))"/>
    <param name="output" select="concat($outdir, '/', strings:split(strings:replace(strings:replace(strings:replace(strings:replace(strings:replace(strings:replace(strings:replace(strings:replace(strings:replace($input, ':', ' -'), '?', ''), 'ß', 'ss'), 'ä', 'ae'), 'ö', 'oe'), 'ü', 'ue'), '. ', 'te '), ',', ''), '&amp;', 'and'), '/')[last()])"/>
    <param name="title"  select="strings:replace(strings:split($input, '/')[last()], '.mpg', '')"/>
    <value-of select="concat($pre, $apos, $input, $apos, $mid1, $apos, $title, $apos, $mid2, $apos, strings:replace($output, '.mpg', '.mp4'), $apos, $post)"/>
  </template>
  
</stylesheet>