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Code Issues Releases Wiki Activity

XEP-0167: add rtcp-mux element

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This commit is contained in:
Daniel Gultsch 2020-04-20 21:28:25 +02:00
parent 71ea00d59b
commit 1b89aa4e00
2 changed files with 6 additions and 0 deletions
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5
xep-0167.xml
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@ -341,12 +341,14 @@
<payload-type id='0' name='PCMU' clockrate='16000'/>
<payload-type id='8' name='PCMA'/>
<payload-type id='13' name='CN'/>
<rtcp-mux/>
</description>
]]></code>
<p>The &DESCRIPTION; element is intended to be a child of a Jingle &CONTENT; element as specified in <cite>XEP-0166</cite>.</p>
<p>The &DESCRIPTION; element MUST possess a 'media' attribute that specifies the media type, such as "audio" or "video", where the media type SHOULD be as registered at &ianamedia;.</p>
<p>The &DESCRIPTION; element MAY possess a 'ssrc' attribute that specifies the 32-bit synchronization source for this media stream, as defined in <cite>RFC 3550</cite>.</p>
<p>After inclusion of one or more &PAYLOADTYPE; child elements, the &DESCRIPTION; element MAY also contain a &lt;bandwidth/&gt; element that specifies the allowable or preferred bandwidth for use by this application type. The 'type' attribute of the &lt;bandwidth/&gt; element SHOULD be a value for the SDP "bwtype" parameter as listed in the &ianasdp;. For RTP sessions, often the &lt;bandwidth/&gt; element will specify the "session bandwidth" as described in Section 6.2 of <cite>RFC 3550</cite>, measured in kilobits per second as described in Section 5.2 of <cite>RFC 4566</cite>.</p>
<p>Also, the &DESCRIPTION; element MAY contain a &lt;rtcp-mux/&gt; element that specifies the ability to multiplex RTP Data and Control Packets on a single port as described in &rfc5761;.</p>
<p>The encodings SHOULD be provided in order of preference by placing the most-preferred payload type as the first &PAYLOADTYPE; child of the &DESCRIPTION; element and the least-preferred payload type as the last child.</p>
<p>The attributes of the &PAYLOADTYPE; element are as follows:</p>
<table caption='Payload-Type Attributes'>
@ -1759,6 +1761,9 @@ Romeo Juliet
type='payloadElementType'
minOccurs='0'
maxOccurs='unbounded'/>
<xs:element name='rtcp-mux'
minOccurs='0'
maxOccurs='1'/>
<xs:element name='encryption'
type='encryptionElementType'
minOccurs='0'

1
xep.ent
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@ -637,6 +637,7 @@ THE SOFTWARE.
<!ENTITY rfc5574 "<span class='ref'><link url='http://tools.ietf.org/html/rfc5574'>RFC 5574</link></span> <note>RFC 5574: RTP Payload Format for the Speex Codec &lt;<link url='http://tools.ietf.org/html/rfc5574'>http://tools.ietf.org/html/rfc5574</link>&gt;.</note>" >
<!ENTITY rfc5576 "<span class='ref'><link url='http://tools.ietf.org/html/rfc5576'>RFC 5576</link></span> <note>RFC 5576: Source-Specific Media Attributes in the Session Description Protocol (SDP) &lt;<link url='http://tools.ietf.org/html/rfc5576'>http://tools.ietf.org/html/rfc5576</link>&gt;.</note>" >
<!ENTITY rfc5646 "<span class='ref'><link url='http://tools.ietf.org/html/rfc5646'>RFC 5646</link></span> <note>RFC 5646: Tags for Identifying Languages &lt;<link url='http://tools.ietf.org/html/rfc5646'>http://tools.ietf.org/html/rfc5646</link>&gt;.</note>" >
<!ENTITY rfc5761 "<span class='ref'><link url='http://tools.ietf.org/html/rfc5761'>RFC 5761</link></span> <note>RFC 5761: Multiplexing RTP Data and Control Packets on a Single Port &lt;<link url='http://tools.ietf.org/html/rfc5761'>http://tools.ietf.org/html/rfc5761</link>&gt;.</note>" >
<!ENTITY rfc5763 "<span class='ref'><link url='http://tools.ietf.org/html/rfc5763'>RFC 5763</link></span> <note>RFC 5763: Framework for Establishing a Secure Real-time Transport Protocol (SRTP) Security Context Using Datagram Transport Layer Security (DTLS) &lt;<link url='http://tools.ietf.org/html/rfc5763'>http://tools.ietf.org/html/rfc5763</link>&gt;.</note>" >
<!ENTITY rfc5766 "<span class='ref'><link url='http://tools.ietf.org/html/rfc5766'>RFC 5766</link></span> <note>RFC 5766: Traversal Using Relays around NAT (TURN): Relay Extensions to Session Traversal Utilities for NAT (STUN) &lt;<link url='http://tools.ietf.org/html/rfc5766'>http://tools.ietf.org/html/rfc5766</link>&gt;.</note>" >
<!ENTITY rfc5785 "<span class='ref'><link url='http://tools.ietf.org/html/rfc5785'>RFC 5785</link></span> <note>RFC 5785: Defining Well-Known Uniform Resource Identifiers (URIs) &lt;<link url='http://tools.ietf.org/html/rfc5785'>http://tools.ietf.org/html/rfc5785</link>&gt;.</note>" >