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Status: Verified (1)

RFC 9328, "RTP Payload Format for Versatile Video Coding (VVC)", December 2022

Source of RFC: avtcore (wit)

Errata ID: 8111
Status: Verified
Type: Editorial
Publication Format(s) : TEXT

Reported By: Magnus Westerlund
Date Reported: 2024-09-20
Verifier Name: RFC Editor
Date Verified: 2024-09-23

Section 4.3.3 says:

The FU header consists of an S bit, an E bit, an R bit, and a 5-bit
   FuType field, as shown in Figure 10.

It should say:

The FU header consists of an S bit, an E bit, an P bit, and a 5-bit
   FuType field, as shown in Figure 10.

Notes:

The figure 10 and the explanation to Figure 10 calls it the P bit:


+---------------+
|0|1|2|3|4|5|6|7|
+-+-+-+-+-+-+-+-+
|S|E|P| FuType |
+---------------+

Figure 10: The Structure of the FU Header

The semantics of the FU header fields are as follows:

S: 1 bit
When set to 1, the S bit indicates the start of a fragmented NAL
unit, i.e., the first byte of the FU payload is also the first
byte of the payload of the fragmented NAL unit. When the FU
payload is not the start of the fragmented NAL unit payload, the S
bit MUST be set to 0.

E: 1 bit
When set to 1, the E bit indicates the end of a fragmented NAL
unit, i.e., the last byte of the payload is also the last byte of
the fragmented NAL unit. When the FU payload is not the last
fragment of a fragmented NAL unit, the E bit MUST be set to 0.

P: 1 bit
When set to 1, the P bit indicates the last FU of the last VCL NAL
unit of a coded picture, i.e., the last byte of the FU payload is
also the last byte of the last VCL NAL unit of the coded picture.
When the FU payload is not the last fragment of the last VCL NAL
unit of a coded picture, the P bit MUST be set to 0.

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