[AVTCORE] draft-ietf-avtcore-hevc-webrtc: PR 17 (Guidance on RPSI Implementation)
Bernard Aboba <bernard.aboba@gmail.com> Mon, 09 October 2023 06:55 UTC
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From: Bernard Aboba <bernard.aboba@gmail.com>
Date: Sun, 08 Oct 2023 23:55:04 -0700
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Subject: [AVTCORE] draft-ietf-avtcore-hevc-webrtc: PR 17 (Guidance on RPSI Implementation)
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We got some additional feedback relating to use of RPSI for reference picture selection only. So we have modified the PR to read as follows: [RFC7798] Section 8.3 specifies the use of the Reference Picture Selection Indication (RPSI) in H.265. Implementations MUST use the RPSI feedback message only as a reference picture selection request, and MUST NOT use it as positive acknowledgement. Receivers that detect that H.265 encoder-decoder synchronization has been lost SHOULD generate an RPSI feedback message if support for RPSI has been negotiated, unless the receiver has knowledge that the sender does not support RPSI. Such knowledge can be established during capability exchange or through previously sent RPSI requests that were not replied to by the sender through the use of a non-IRAP picture. An RTP packet-stream sender that receives an RPSI message MUST act on that message, and SHOULD change the reference picture.
- [AVTCORE] draft-ietf-avtcore-hevc-webrtc: PR 17 (… Bernard Aboba