RTP payload formats: Difference between revisions

Revision as of 08:43, 17 April 2025

Revision as of 09:02, 17 April 2025

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The technical parameters of payload formats for audio and video streams are standardised.

The standard also describes the process of registering new payload types with IANA.

* {{Sum RFC|3550|ref=yes}}

* {{Sum RFC|3551|ref=yes}}

* {{Sum RFC|3611|ref=yes}}

* {{Sum RFC|4856|ref=yes}}

Additional payload formats and payload types are defined in the following specifications:

* {{Sum RFC|2029|ref=yes}}

* {{Sum RFC|2190|ref=yes}}

* {{Sum RFC|2250|ref=yes}}

* {{Sum RFC|2435|ref=yes}}

* {{Sum RFC|2658|ref=yes}}

* {{Sum RFC|3190|ref=yes}}

* {{Sum RFC|3389|ref=yes}}

* {{Sum RFC|3640|ref=yes}}

* {{Sum RFC|4175|ref=yes}}

* {{Sum RFC|4587|ref=yes}}

* {{Sum RFC|4629|ref=yes}}

* {{Sum RFC|6184|ref=yes}}

* {{Sum RFC|6190|ref=yes}}

* {{Sum RFC|6416|ref=yes}}

* {{Sum RFC|7587|ref=yes}}

Line 178 ⟶ 185:

|20

|[[QCELP|Qualcomm Code Excited Linear Prediction]]

|{{SumIETF RFC|2658|titlelink=no|ref=yes}}, {{IETF RFC|3551|link=no}}{{Rp|p=28}}

|-

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|[[Comfort noise]]. Payload type used with audio codecs that do not support comfort noise as part of the codec itself such as [[G.711]], [[G.722.1]], [[G.722]], [[G.726]], [[G.727]], [[G.728]], [[GSM 06.10]], [[Siren (codec)|Siren]], and RTAudio.

|{{SumIETF RFC|3389|titlelink=no|ref=yes}}

|-

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|[[MPEG-1]] or [[MPEG-2]] audio only

|{{IETF RFC|35512250|link=no}}, {{SumIETF RFC|22503551|titlelink=no|ref=yes}}

|-

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|20

|ITU-T [[G.729]] and G.729a audio 8&nbsp;kbit/s; Annex B is implied unless the <code>annexb=no</code> parameter is used

|{{IETF RFC|3551|link=no}}{{Rp|p=20}}, {{SumIETF RFC|4856|titlelink=no|ref=yes}}{{Rp|p=12}}

|-

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|

|[[Sun Microsystems|Sun]] CellB video<ref>[https://docs.oracle.com/cd/E19504-01/802-5863/802-5863.pdf XIL Programmer's Guide], Chapter 22 "CellB Codec". August 1997. Retrieved on 2014-07-19.</ref>

|{{SumIETF RFC|2029|titlelink=no|ref=yes}}

|-

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|[[JPEG]] video

|{{SumIETF RFC|2435|titlelink=no|ref=yes}}

|-

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|ITU-T [[H.261]] video

|{{SumIETF RFC|4587|titlelink=no|ref=yes}}

|-

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|MPEG-1 and MPEG-2 video

|{{SumIETF RFC|2250|titlelink=no}}

|-

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|MPEG-2 [[MPEG transport stream|transport stream]]

|{{SumIETF RFC|2250|titlelink=no}}

|-

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|[[H.263]] video, first version (1996)

|{{IETF RFC|35512190|link=no}}, {{SumIETF RFC|21903551|titlelink=no|ref=yes}}

|-

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|reserved because RTCP packet types 200&ndash;204 would otherwise be indistinguishable from RTP payload types 72&ndash;76 with the marker bit set

|{{SumIETF RFC|3550|titlelink=no|ref=yes}}, {{IETF RFC|3551|link=no}}

|-

Line 354 ⟶ 361:

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|note that RTCP packet type 207 (XR, Extended Reports) would be indistinguishable from RTP payload types 79 with the marker bit set

|{{IETF RFC|3551|link=no}}, {{SumIETF RFC|3611|titlelink=no}}

|-

Line 365 ⟶ 372:

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|[[H.263]] video, second version (1998)

|{{IETF RFC|35512190|link=no}}, {{SumIETF RFC|46293551|titlelink=no|ref=yes}}, {{SumIETF RFC|21904629|titlelink=no}}

|-

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|[[H.263]] video, third version (2000)

|{{SumIETF RFC|4629|titlelink=no}}

|-

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|[[H.264]] video (MPEG-4 Part 10)

|{{SumIETF RFC|6184|titlelink=no|ref=yes}}

|-