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<? wireshark:protocol
proto_name="smil"
media="application/smil"
description="Synchronized Multimedia Integration Language"
?>
<!--
This is the XML document type definition (DTD) for SMIL 1.0.
Date: 1998/06/15 08:56:30
Authors:
Jacco van Ossenbruggen <jrvosse@cwi.nl>
Sjoerd Mullender <sjoerd@cwi.nl>
Further information about SMIL is available at:
http://www.w3.org/AudioVideo/
-->
<!-- Generally useful entities -->
<!ENTITY % id-attr "id ID #IMPLIED">
<!ENTITY % title-attr "title CDATA #IMPLIED">
<!ENTITY % skip-attr "skip-content (true|false) 'true'">
<!ENTITY % desc-attr "
%title-attr;
abstract CDATA #IMPLIED
author CDATA #IMPLIED
copyright CDATA #IMPLIED
">
<!--=================== SMIL Document =====================================-->
<!--
The root element SMIL contains all other elements.
-->
<!ELEMENT smil (head?,body?)>
<!ATTLIST smil
%id-attr;
>
<!--=================== The Document Head =================================-->
<!ENTITY % layout-section "layout|switch">
<!ENTITY % head-element "(meta*,((%layout-section;), meta*))?">
<!ELEMENT head %head-element;>
<!ATTLIST head %id-attr;>
<!--=================== Layout Element ====================================-->
<!--
Layout contains the region and root-layout elements defined by
smil-basic-layout or other elements defined an external layout
mechanism.
-->
<!ELEMENT layout (region|root-layout)>
<!ATTLIST layout
%id-attr;
type CDATA "text/smil-basic-layout"
>
<!--=================== Region Element ===================================-->
<!ENTITY % viewport-attrs "
height CDATA #IMPLIED
width CDATA #IMPLIED
background-color CDATA #IMPLIED
">
<!ELEMENT region EMPTY>
<!ATTLIST region
%id-attr;
%title-attr;
%viewport-attrs;
left CDATA "0"
top CDATA "0"
z-index CDATA "0"
fit (hidden|fill|meet|scroll|slice) "hidden"
%skip-attr;
>
<!--=================== Root-layout Element ================================-->
<!ELEMENT root-layout EMPTY>
<!ATTLIST root-layout
%id-attr;
%title-attr;
%viewport-attrs;
%skip-attr;
>
<!--=================== Meta Element=======================================-->
<!ELEMENT meta EMPTY>
<!ATTLIST meta
name NMTOKEN #REQUIRED
content CDATA #REQUIRED
%skip-attr;
>
<!--=================== The Document Body =================================-->
<!ENTITY % media-object "audio|video|text|img|animation|textstream|ref">
<!ENTITY % schedule "par|seq|(%media-object;)">
<!ENTITY % inline-link "a">
<!ENTITY % assoc-link "anchor">
<!ENTITY % link "%inline-link;">
<!ENTITY % container-content "(%schedule;)|switch|(%link;)">
<!ENTITY % body-content "(%container-content;)">
<!ELEMENT body (%body-content;)*>
<!ATTLIST body %id-attr;>
<!--=================== Synchronization Attributes ========================-->
<!ENTITY % sync-attributes "
begin CDATA #IMPLIED
end CDATA #IMPLIED
">
<!--=================== Switch Parameter Attributes =======================-->
<!ENTITY % system-attribute "
system-bitrate CDATA #IMPLIED
system-language CDATA #IMPLIED
system-required NMTOKEN #IMPLIED
system-screen-size CDATA #IMPLIED
system-screen-depth CDATA #IMPLIED
system-captions (on|off) #IMPLIED
system-overdub-or-caption (caption|overdub) #IMPLIED
">
<!--=================== Fill Attribute ====================================-->
<!ENTITY % fill-attribute "
fill (remove|freeze) 'remove'
">
<!--=================== The Parallel Element ==============================-->
<!ENTITY % par-content "%container-content;">
<!ELEMENT par (%par-content;)*>
<!ATTLIST par
%id-attr;
%desc-attr;
endsync CDATA "last"
dur CDATA #IMPLIED
repeat CDATA "1"
region IDREF #IMPLIED
%sync-attributes;
%system-attribute;
>
<!--=================== The Sequential Element ============================-->
<!ENTITY % seq-content "%container-content;">
<!ELEMENT seq (%seq-content;)*>
<!ATTLIST seq
%id-attr;
%desc-attr;
dur CDATA #IMPLIED
repeat CDATA "1"
region IDREF #IMPLIED
%sync-attributes;
%system-attribute;
>
<!--=================== The Switch Element ================================-->
<!-- In the head, a switch may contain only layout elements,
in the body, only container elements. However, this
constraint cannot be expressed in the DTD (?), so
we allow both:
-->
<!ENTITY % switch-content "layout|(%container-content;)">
<!ELEMENT switch (%switch-content;)*>
<!ATTLIST switch
%id-attr;
%title-attr;
>
<!--=================== Media Object Elements =============================-->
<!-- SMIL only defines the structure. The real media data is
referenced by the src attribute of the media objects.
-->
<!-- Furthermore, they have the following attributes as defined
in the SMIL specification:
-->
<!ENTITY % mo-attributes "
%id-attr;
%desc-attr;
region IDREF #IMPLIED
alt CDATA #IMPLIED
longdesc CDATA #IMPLIED
src CDATA #IMPLIED
type CDATA #IMPLIED
dur CDATA #IMPLIED
repeat CDATA '1'
%fill-attribute;
%sync-attributes;
%system-attribute;
">
<!--
Most info is in the attributes, media objects are empty or
contain associated link elements:
-->
<!ENTITY % mo-content "(%assoc-link;)*">
<!ENTITY % clip-attrs "
clip-begin CDATA #IMPLIED
clip-end CDATA #IMPLIED
">
<!ELEMENT ref %mo-content;>
<!ELEMENT audio %mo-content;>
<!ELEMENT img %mo-content;>
<!ELEMENT video %mo-content;>
<!ELEMENT text %mo-content;>
<!ELEMENT textstream %mo-content;>
<!ELEMENT animation %mo-content;>
<!ATTLIST ref %mo-attributes; %clip-attrs;>
<!ATTLIST audio %mo-attributes; %clip-attrs;>
<!ATTLIST video %mo-attributes; %clip-attrs;>
<!ATTLIST animation %mo-attributes; %clip-attrs;>
<!ATTLIST textstream %mo-attributes; %clip-attrs;>
<!ATTLIST text %mo-attributes;>
<!ATTLIST img %mo-attributes;>
<!--=================== Link Elements =====================================-->
<!ENTITY % smil-link-attributes "
%id-attr;
%title-attr;
href CDATA #REQUIRED
show (replace|new|pause) 'replace'
">
<!--=================== Inline Link Element ===============================-->
<!ELEMENT a (%schedule;|switch)*>
<!ATTLIST a
%smil-link-attributes;
>
<!--=================== Associated Link Element ===========================-->
<!ELEMENT anchor EMPTY>
<!ATTLIST anchor
%skip-attr;
%smil-link-attributes;
%sync-attributes;
coords CDATA #IMPLIED
>
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