<?xml version="1.0" encoding="UTF-8"?>

<!DOCTYPE SystemDefinition [

<!ELEMENT SystemDefinition ( systemModel )>

<!ATTLIST SystemDefinition

  name CDATA #REQUIRED

  schema CDATA #REQUIRED

>

<!-- all paths are relative to the environment variable specified by the root attribute, or SOURCEROOT if not.  -->

<!-- System Model Section of DTD -->

<!ELEMENT systemModel (layer+)>

<!ELEMENT layer (block* | collection*)*>

<!-- Kernel Services, Base Services, OS Services, Etc -->

<!ATTLIST layer

  name CDATA #REQUIRED

  long-name CDATA #IMPLIED

  levels NMTOKENS #IMPLIED

  span CDATA #IMPLIED

>

<!ELEMENT block (subblock* | collection*)*>

 <!-- Generic OS services, Comms Services, etc -->

<!ATTLIST block

  levels NMTOKENS #IMPLIED

  span CDATA #IMPLIED

  level NMTOKEN #IMPLIED

  name CDATA #REQUIRED

  long-name CDATA #IMPLIED

>

<!ELEMENT subblock (collection)*>

<!-- Cellular Baseband Services, Networking Services, etc -->

<!ATTLIST subblock

  name CDATA #REQUIRED

  long-name CDATA #IMPLIED

>

<!ELEMENT collection (component)*>

<!-- Screen Driver, Content Handling, etc -->

<!ATTLIST collection

  name CDATA #REQUIRED

  long-name CDATA #IMPLIED

  level NMTOKEN #IMPLIED

>

<!ELEMENT component (unit)*>

<!-- contains units or is a  package or prebuilt -->

<!ATTLIST component

  name CDATA #REQUIRED

  long-name CDATA #IMPLIED

  deprecated CDATA #IMPLIED

  introduced CDATA #IMPLIED

  contract CDATA #IMPLIED

  plugin (Y|N) "N"

  filter CDATA #IMPLIED

  class NMTOKENS #IMPLIED

  supports CDATA #IMPLIED

  purpose ( optional | mandatory | development ) "optional"

>

<!ELEMENT unit EMPTY >

<!-- must be buildable (bld.inf) -->

<!-- bldFile  may someday be removed in favour of mrp -->

<!ATTLIST unit

  mrp CDATA #IMPLIED

  filter CDATA #IMPLIED

  bldFile CDATA #IMPLIED

  root CDATA #IMPLIED

  version NMTOKEN #IMPLIED

  prebuilt NMTOKEN #IMPLIED

  late (Y|N) #IMPLIED

  priority CDATA #IMPLIED

>

]>

<SystemDefinition name="Symbian^4" schema="2.0.1">

  <systemModel>

    <layer name="app" long-name="Applications" levels="services apps">

      <block name="videotelephony" level="apps" long-name="Video Telephony Apps" levels="engine plugin prot ui">

        <collection name="videotelephony_plat" long-name="VT Apps Platform Interfaces" level="ui">

          <component name="video_telephony_control_mediator_api" long-name="Video Telephony Control Mediator API" filter="s60" class="api">

            <unit bldFile="/sf/app/videotelephony/videotelephony_plat/video_telephony_control_mediator_api/group"/>

          </component>

          <component name="video_telephony_media_configuration_api" long-name="Video Telephony Media Configuration API" filter="s60" class="api">

            <unit bldFile="/sf/app/videotelephony/videotelephony_plat/video_telephony_media_configuration_api/group"/>

          </component>

        </collection>

        <collection name="vtengines" long-name="Video Telephony Engines" level="engine">

          <component name="videoteleng" filter="s60" long-name="Video Telephony Engine">

            <unit bldFile="/sf/app/videotelephony/vtengines/videoteleng/Group"/>

          </component>

          <component name="vtmediatorplugin" filter="s60" long-name="VT Mediator Plugin" plugin="Y">

            <unit bldFile="/sf/app/videotelephony/vtengines/vtmediatorplugin/group"/>

          </component>

        </collection>

        <collection name="vtuis" long-name="Video Telephony UIs" level="ui">

          <component name="videotelui" filter="s60" long-name="Video Telephony UI">

            <unit bldFile="/sf/app/videotelephony/vtuis/videotelui/group"/>

          </component>

        </collection>

        <collection name="vtprotocolplugins" long-name="VT Protocol Plugins" level="plugin">

          <component name="displaysink" filter="s60" long-name="Display Sink" introduced="^2">

            <unit bldFile="/sf/app/videotelephony/vtprotocolplugins/DisplaySink/group"/>

          </component>

          <component name="videosource" filter="s60" long-name="Video Source" introduced="^2">

            <unit bldFile="/sf/app/videotelephony/vtprotocolplugins/VideoSource/group"/>

          </component>

        </collection>

        <collection name="vtprotocolsstub" long-name="VT Protocols Stub" level="prot">

          <!--  this collection is really a component, move down a directory -->

          <component name="videotelproto" filter="s60" long-name="Video Telephony Protocol">

            <unit bldFile="/sf/app/videotelephony/vtprotocolsstub/group" filter="sf_build"/>

          </component>

        </collection>

      </block>

    </layer>

  </systemModel>

</SystemDefinition>