I could not find a good config online, so I experimented a bit.
This config transcodes as little as possible, play, pause, forward, rewind works for Media not transcoded.
Using the latest git version of Mediatomb pause is possible in transcoded streams:
git://mediatomb.git.sourceforge.net/gitroot/mediatomb/mediatomb
commit 27da70598ba9b1d9c4431f3b03bc5e460480abb2
Date: Tue Dec 24 21:07:23 2013 +0100
Add support for play/pause/chapters in transcoded streams
<?xml version="1.0" encoding="UTF-8"?>
<config version="2" xmlns="http://mediatomb.cc/config/2" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://mediatomb.cc/config/2 http://mediatomb.cc/config/2.xsd">
<server>
<interface>alc0</interface>
<port>50000</port>
<ui enabled="yes" show-tooltips="yes">
<accounts enabled="no" session-timeout="30">
<account user="mediatomb" password="mediatomb"/>
</accounts>
</ui>
<name>MediaTomb</name>
<udn>uuid:9bf4f28f-0f37-4ccc-bacb-f6cdf8eadd5a</udn>
<home>/var/mediatomb</home>
<webroot>/usr/local/share/mediatomb/web</webroot>
<storage caching="yes">
<sqlite3 enabled="yes">
<database-file>mediatomb.db</database-file>
</sqlite3>
<mysql enabled="no">
<host>localhost</host>
<username>mediatomb</username>
<database>mediatomb</database>
</mysql>
</storage>
<protocolInfo extend="yes"/>
<extended-runtime-options>
<ffmpegthumbnailer enabled="yes">
<thumbnail-size>128</thumbnail-size>
<seek-percentage>5</seek-percentage>
<filmstrip-overlay>yes</filmstrip-overlay>
<workaround-bugs>no</workaround-bugs>
<image-quality>8</image-quality>
</ffmpegthumbnailer>
<mark-played-items enabled="no" suppress-cds-updates="yes">
<string mode="prepend">*</string>
<mark>
<content>video</content>
</mark>
</mark-played-items>
</extended-runtime-options>
</server>
<import hidden-files="no">
<scripting script-charset="UTF-8">
<common-script>/usr/local/share/mediatomb/js/common.js</common-script>
<playlist-script>/usr/local/share/mediatomb/js/playlists.js</playlist-script>
<virtual-layout type="builtin">
<import-script>/usr/local/share/mediatomb/js/import.js</import-script>
</virtual-layout>
</scripting>
<mappings>
<extension-mimetype ignore-unknown="no">
<map from="mp3" to="audio/mpeg"/>
<map from="ogg" to="application/ogg"/>
<map from="mpg" to="video/mpeg"/>
<map from="mpeg" to="video/mpeg"/>
<map from="vob" to="video/mpeg"/>
<map from="vro" to="video/mpeg"/>
<map from="m2ts" to="video/avc"/>
<map from="mts" to="video/avc"/>
<map from="asf" to="video/x-ms-asf"/>
<map from="asx" to="video/x-ms-asf"/>
<map from="wma" to="audio/x-ms-wma"/>
<map from="wax" to="audio/x-ms-wax"/>
<map from="wmv" to="video/x-ms-wmv"/>
<map from="wvx" to="video/x-ms-wvx"/>
<map from="wm" to="video/x-ms-wm"/>
<map from="wmx" to="video/x-ms-wmx"/>
<map from="m3u" to="audio/x-mpegurl"/>
<map from="pls" to="audio/x-scpls"/>
<map from="flv" to="video/x-flv"/>
</extension-mimetype>
<mimetype-upnpclass>
<map from="audio/*" to="object.item.audioItem.musicTrack"/>
<map from="video/*" to="object.item.videoItem"/>
<map from="image/*" to="object.item.imageItem"/>
</mimetype-upnpclass>
<mimetype-contenttype>
<treat mimetype="audio/mpeg" as="mp3"/>
<treat mimetype="application/ogg" as="ogg"/>
<treat mimetype="audio/x-flac" as="flac"/>
<treat mimetype="image/jpeg" as="jpg"/>
<treat mimetype="audio/x-mpegurl" as="playlist"/>
<treat mimetype="audio/x-scpls" as="playlist"/>
<treat mimetype="audio/x-wav" as="pcm"/>
<treat mimetype="video/x-msvideo" as="avi"/>
</mimetype-contenttype>
</mappings>
</import>
<transcoding enabled="yes">
<mimetype-profile-mappings>
<transcode mimetype="video/divx" using="multifunctional"/>
<transcode mimetype="video/x-msvideo" using="multifunctional"/>
</mimetype-profile-mappings>
<profiles>
<profile name="multifunctional" enabled="yes" type="external">
<mimetype>video/mpeg</mimetype>
<first-resource>yes</first-resource>
<hide-original-resource>yes</hide-original-resource>
<avi-fourcc-list mode="process">
<fourcc>DX50</fourcc>
</avi-fourcc-list>
<agent command="/usr/local/bin/mediatomb-multifunctional.sh" arguments="%in %out"/>
<buffer size="102400" chunk-size="51200" fill-size="20480"/>
</profile>
</profiles>
</transcoding>
<custom-http-headers>
<add header="transferMode.dlna.org: Streaming"/>
<add header="contentFeatures.dlna.org: DLNA.ORG_OP=01;DLNA.ORG_CI=0;DLNA.ORG_FLAGS=025000 00000000000000000000000000"/>
</custom-http-headers>
</config>
I use mediatomb-multifunctional.sh from https://vanalboom.org/node/16.