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0.6 

git-svn-id: file:///home/ksmith/gitmigration/svn/xmpp/trunk@2138 4b5297f7-1745-476d-ba37-a9c6900126ab
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Peter Saint-Andre 2008-08-06 22:29:59 +00:00
parent 76d24423d4
commit 384c3a2fa2
1 changed files with 8 additions and 7 deletions
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15
xep-0221.xml
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@ -22,6 +22,12 @@
<shortname>NOT_YET_ASSIGNED</shortname>
&ianpaterson;
&stpeter;
<revision>
<version>0.6</version>
<date>2008-08-06</date>
<initials>psa</initials>
<remark><p>Further modified examples to track changes to XEP-0231.</p></remark>
</revision>
<revision>
<version>0.5</version>
<date>2008-08-06</date>
@ -61,9 +67,8 @@
<section1 topic='Media Element' anchor='media'>
<p>The root element for media data is &lt;media/&gt;. This element MUST be qualified by the "urn:xmpp:tmp:media-element' namespace &NSNOTE;. The &lt;media/&gt; element MUST be contained within a &lt;field/&gt; element qualified by the 'jabber:x:data' namespace.</p>
<p>If the media is an image or video then the &lt;media/&gt; element SHOULD include 'height' and 'width' attributes specifying the recommended display size of the media in pixels.</p>
<p>The &lt;media/&gt; element SHOULD contain at least one &lt;uri/&gt; element to specify the out-of-band location of the media data. <note>Constrained execution environments prevent some clients (e.g., Web clients) from rendering media unless it has been received out-of-band.</note> If included, the &lt;uri/&gt; element MUST contain a URI that indicates the location and MUST include a 'type' attribute that specifies the MIME type of the media.</p>
<p>The &lt;media/&gt; element SHOULD contain at least one &lt;uri/&gt; element to specify the out-of-band location of the media data. <note>Constrained execution environments prevent some clients (e.g., Web clients) from rendering media unless it has been received out-of-band.</note> If included, the &lt;uri/&gt; element MUST contain a URI that indicates the location and MUST include a 'type' attribute that specifies the MIME type of the media. If the URI scheme is cid: then the identifier MUST refer to a bit of binary data as described in &xep0231;.</p>
<p>The 'type' attribute of the &lt;uri/&gt; element is REQUIRED. The value of the 'type' attribute MUST match the syntax specified in &rfc2045;. That is, the value MUST include a top-level media type, the "/" character, and a subtype; in addition, it MAY include one or more optional parameters (e.g., the "audio/ogg" MIME type in the example shown below includes a "codecs" parameter as specified in &rfc4281;). The "type/subtype" string SHOULD be registered in the &ianamedia;, but MAY be an unregistered or yet-to-be-registered value.</p>
<p>The &lt;media/&gt; element MAY also contain one or more &lt;data/&gt; elements for distributing the media in-band. The &lt;data/&gt; element MUST be qualified by the 'urn:xmpp:tmp:data-element' as defined in &xep0231;. The <em>encoded</em> data SHOULD NOT be larger than 8 kilobytes. <note>If a stanza contains more than one &lt;data/&gt; element, the sending entity MUST take care not to trigger server-defined bandwidth limits.</note></p>
<example caption='Audio Media Element'><![CDATA[
<media xmlns='urn:xmpp:tmp:media-element'>
<uri type='audio/x-wav'>
@ -123,14 +128,10 @@
xmlns='urn:xmpp:tmp:media-element'
elementFormDefault='qualified'>
<xs:import
namespace='urn:xmpp:tmp:data-element'/>
<xs:element name='media'>
<xs:complexType>
<xs:sequence xmlns:data='urn:xmpp:tmp:data-element'>
<xs:sequence>
<xs:element ref='uri' minOccurs='0' maxOccurs='unbounded'/>
<xs:element ref='data:data' minOccurs='0' maxOccurs='unbounded'/>
</xs:sequence>
<xs:attribute name='height' type='xs:unsignedShort' use='optional'/>
<xs:attribute name='width' type='xs:unsignedShort' use='optional'/>