RFC 2032 (rfc2032) - Page 1 of 11
RTP Payload Format for H
Alternative Format: Original Text Document
Network Working Group T. Turletti
Request for Comments: 2032 MIT
Category: Standards Track C. Huitema
Bellcore
October 1996
RTP Payload Format for H.261 Video Streams
Status of this Memo
This document specifies an Internet standards track protocol for the
Internet community, and requests discussion and suggestions for
improvements. Please refer to the current edition of the "Internet
Official Protocol Standards" (STD 1) for the standardization state
and status of this protocol. Distribution of this memo is unlimited.
Table of Contents
1. Abstract ............................................. 1
2. Purpose of this document ............................. 2
3. Structure of the packet stream ....................... 2
3.1 Overview of the ITU-T recommendation H.261 .......... 2
3.2 Considerations for packetization .................... 3
4. Specification of the packetization scheme ............ 4
4.1 Usage of RTP ........................................ 4
4.2 Recommendations for operation with hardware codecs .. 6
5. Packet loss issues ................................... 7
5.1 Use of optional H.261-specific control packets ...... 8
5.2 H.261 control packets definition .................... 9
5.2.1 Full INTRA-frame Request (FIR) packet ............. 9
5.2.2 Negative ACKnowledgements (NACK) packet ........... 9
6. Security Considerations .............................. 10
Authors' Addresses ..................................... 10
Acknowledgements ....................................... 10
References ............................................. 11
1. Abstract
This memo describes a scheme to packetize an H.261 video stream for
transport using the Real-time Transport Protocol, RTP, with any of
the underlying protocols that carry RTP.
This specification is a product of the Audio/Video Transport working
group within the Internet Engineering Task Force. Comments are
solicited and should be addressed to the working group's mailing list
at and/or the authors.
Turletti & Huitema Standards Track