Internet Assigned Numbers Authority

Media Type Sub-Parameter Registries

Created
2003-10-31
Last Updated
2023-07-19
Available Formats

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Registries included below

Sub-Parameter Registry video/mpeg4-generic, audio/mpeg4-generic and application/mpeg4-generic

Registration Procedure(s)
Specification Required
Expert(s)
Unassigned
Reference
[RFC3640]
Available Formats

CSV
Modes Reference
mode=generic [RFC3640]
mode=CELP-cbr [RFC3640]
mode=CELP-vbr [RFC3640]
mode=AAC-lbr [RFC3640]
mode=AAC-hbr [RFC3640]
mode=rtp-midi [RFC6295]

Sub-Parameter Registry for mode=rtp-midi of audio/mpeg4-generic

Registration Procedure(s)
See sub-registries below
Reference
[RFC6295]

j_sec Values

Registration Procedure(s)
Standards Action
Reference
[RFC6295]
Available Formats

CSV
j_sec Value Reference
j_sec=none [RFC6295]
j_sec=recj [RFC6295]

j_update Values

Registration Procedure(s)
Standards Action
Reference
[RFC6295]
Available Formats

CSV
j_update Value Reference
j_update=anchor [RFC6295]
j_update=open-loop [RFC6295]
j_update=closed-loop [RFC6295]

render Values

Registration Procedure(s)
Specification Required
Expert(s)
Unassigned
Reference
[RFC6295]
Available Formats

CSV
render Value Reference
render=unknown [RFC6295]
render=synthetic [RFC6295]
render=null [RFC6295]

subrender Values

Registration Procedure(s)
Specification Required
Expert(s)
Unassigned
Reference
[RFC6295]
Available Formats

CSV
subrender Value Reference
subrender=default [RFC6295]

smf_info Values

Registration Procedure(s)
Specification Required
Expert(s)
Unassigned
Reference
[RFC6295]
Available Formats

CSV
smf_info Value Reference
smf_info=ignore [RFC6295]
smf_info=sdp_start [RFC6295]
smf_info=identity [RFC6295]

Sub-Parameter Registry for audio/rtp-midi

Registration Procedure(s)
See sub-registries below
Reference
[RFC6295]

j_sec Values

Registration Procedure(s)
Standards Action
Reference
[RFC6295]
Available Formats

CSV
j_sec Value Reference
j_sec=none [RFC6295]
j_sec=recj [RFC6295]

j_update Values

Registration Procedure(s)
Standards Action
Reference
[RFC6295]
Available Formats

CSV
j_update Value Reference
j_update=anchor [RFC6295]
j_update=open-loop [RFC6295]
j_update=closed-loop [RFC6295]

render Values

Registration Procedure(s)
Specification Required
Expert(s)
Unassigned
Reference
[RFC6295]
Available Formats

CSV
render Value Reference
render=unknown [RFC6295]
render=synthetic [RFC6295]
render=api [RFC6295]
render=null [RFC6295]

subrender Values

Registration Procedure(s)
Specification Required
Expert(s)
Unassigned
Reference
[RFC6295]
Available Formats

CSV
subrender Value Reference
subrender=default [RFC6295]

smf_info Value

Registration Procedure(s)
Specification Required
Expert(s)
Unassigned
Reference
[RFC6295]
Available Formats

CSV
smf_info Value Reference
smf_info=ignore [RFC6295]
smf_info=sdp_start [RFC6295]
smf_info=identity [RFC6295]

Sub-Parameter Registry for video/raw

Registration Procedure(s)
See sub-registries below
Reference
[RFC4175]

Color (sub-)sampling

Registration Procedure(s)
Specification Required
Expert(s)
Roni Even, Ali Begen
Reference
[RFC4175]
Available Formats

CSV
Color (sub-)sampling Reference
sampling=RGB [RFC4175]
sampling=RGBA [RFC4175]
sampling=BGR [RFC4175]
sampling=BGRA [RFC4175]
sampling=YCbCr-4:4:4 [RFC4175]
sampling=YCbCr-4:2:2 [RFC4175]
sampling=YCbCr-4:2:0 [RFC4175]
sampling=YCbCr-4:1:1 [RFC4175]
sampling=RGB+ [RFC4421]
sampling=RG+B [RFC4421]
sampling=R+GB [RFC4421]
sampling=BGR+ [RFC4421]
sampling=BG+R [RFC4421]
sampling=B+GR [RFC4421]

Colorimetry

Registration Procedure(s)
Specification Required
Expert(s)
Roni Even, Ali Begen
Reference
[RFC4175]
Available Formats

CSV
Colorimetry Reference
colorimetry=BT601-5 [RFC4175]
colorimetry=BT709-2 [RFC4175]
colorimetry=SMPTE240M [RFC4175]

Sub-parameter Registry for application/mbox

Registration Procedure(s)
Specification Required
Expert(s)
Unassigned
Reference
[RFC4155]
Available Formats

CSV
Format Value Reference
format=default [RFC4155]

Parameter Values for the smime-type Parameter

Registration Procedure(s)
Specification Required
Expert(s)
Russ Housley, Sean Turner (secondary)
Reference
[RFC7114]
Available Formats

CSV
smime-type Value Reference
authEnveloped-data [RFC8551, Section 3.2.2]
certs-only [RFC8551, Section 3.2.2]
CMC-Request [RFC5273, Section 3]
CMC-Response [RFC5273, Section 3]
compressed-data [RFC8551, Section 3.2.2]
enveloped-data [RFC8551, Section 3.2.2]
enveloped-x400 [RFC3854, Section 3.3.1]
server-generated-key [RFC7030, Section 4.4.2]
signed-data [RFC8551, Section 3.2.2]
signed-receipt [RFC2634, Section 2.4]
signed-x400 [RFC3854, Section 3.2.1]

CMS Encapsulating Content Types

Registration Procedure(s)
Expert Review
Expert(s)
Russ Housley, Sean Turner
Reference
[RFC7193]
Available Formats

CSV
Name Object Identifier Reference
authData 1.2.840.113549.1.9.16.1.2 [RFC5652]
compressedData 1.2.840.113549.1.9.16.1.9 [RFC3274]
contentCollection 1.2.840.113549.1.9.16.1.19 [RFC4073]
contentInfo 1.2.840.113549.1.9.16.1.6 [RFC5652]
contentWithAttrs 1.2.840.113549.1.9.16.1.20 [RFC4073]
authEnvelopedData 1.2.840.113549.1.9.16.1.23 [RFC5083]
encryptedKeyPkg 2.16.840.1.101.2.1.2.78.2 [RFC6032]
digestData 1.2.840.113549.1.7.5 [RFC5652]
encryptedData 1.2.840.113549.1.7.6 [RFC5652]
envelopedData 1.2.840.113549.1.7.3 [RFC5652]
signedData 1.2.840.113549.1.7.2 [RFC5652]

CMS Inner Content Types

Registration Procedure(s)
Expert Review
Expert(s)
Russ Housley, Sean Turner
Reference
[RFC7193]
Available Formats

CSV
Name Object Identifier Reference
firmwarePackage 1.2.840.113549.1.9.16.1.16 [RFC4108]
firmwareLoadReceipt 1.2.840.113549.1.9.16.1.17 [RFC4108]
firmwareLoadError 1.2.840.113549.1.9.16.1.18 [RFC4108]
aKeyPackage 2.16.840.1.101.2.1.2.78.5 [RFC5958]
sKeyPackage 1.2.840.113549.1.9.16.1.25 [RFC6031]
trustAnchorList 1.2.840.113549.1.9.16.1.34 [RFC5914]
TAMP-statusQuery 2.16.840.1.101.2.1.2.77.1 [RFC5934]
TAMP-statusResponse 2.16.840.1.101.2.1.2.77.2 [RFC5934]
TAMP-update 2.16.840.1.101.2.1.2.77.3 [RFC5934]
TAMP-updateConfirm 2.16.840.1.101.2.1.2.77.4 [RFC5934]
TAMP-apexUpdate 2.16.840.1.101.2.1.2.77.5 [RFC5934]
TAMP-apexUpdateConfirm 2.16.840.1.101.2.1.2.77.6 [RFC5934]
TAMP-communityUpdate 2.16.840.1.101.2.1.2.77.7 [RFC5934]
TAMP-communityUpdateConfirm 2.16.840.1.101.2.1.2.77.8 [RFC5934]
TAMP-seqNumAdjust 2.16.840.1.101.2.1.2.77.10 [RFC5934]
TAMP-seqNumAdjustConfirm 2.16.840.1.101.2.1.2.77.11 [RFC5934]
TAMP-error 2.16.840.1.101.2.1.2.77.9 [RFC5934]
keyPackageReceipt 2.16.840.1.101.2.1.2.78.3 [RFC7191]
keyPackageError 2.16.840.1.101.2.1.2.78.6 [RFC7191]
cbor 1.2.840.113549.1.9.16.1.44 [RFC8769]
cborSequence 1.2.840.113549.1.9.16.1.45 [RFC8769]

Report Types

Registration Procedure(s)
Specification Required
Expert(s)
Murray Kucherawy
Reference
[RFC8460]
Available Formats

CSV
Report-Type Media Type Reference Comment
tlsrpt application/tlsrpt+gzip, application/tlsrpt+json [RFC8460] Media types suitable for use with this report-type are defined in Sections 6.4 and 6.5 of [RFC8460]
disposition-notification message/disposition-notification [RFC8098, Section 10]
disposition-notification message/global-disposition-notification [RFC6533, Section 6]
delivery-status message/delivery-status [RFC3464, Section 2.1]
delivery-status message/global-delivery-status [RFC6533, Section 6]

Sub-Parameter Registry for application/aif+cbor and application/aif+json

Registration Procedure(s)
Specification Required
Expert(s)
Göran Selander, Cigdem Sengul
Reference
[RFC9237]
Available Formats

CSV
Parameter Name Description/Specification Reference
Toid URI-local-part local-part of URI [RFC9237]
Tperm REST-method-set set of REST methods represented [RFC9237]
Toid mqtt-topic-filter Topic Filter, as defined in Section 2.3 of [RFC9431]. [RFC9431, Section 2.3]
Tperm mqtt-permissions Permissions for the MQTT Client, as defined in Section 2.3 of [RFC9431]. Tperm is an array of one or more text strings that each have a value of either "pub" or "sub". [RFC9431, Section 2.3]