From 2876e77e820e3fbe1fd699a76075ed587e01da42 Mon Sep 17 00:00:00 2001 From: Hamish Willee Date: Tue, 25 Feb 2025 09:40:55 +1100 Subject: [PATCH] Update files/en-us/web/api/webrtc_api/protocols/index.md --- files/en-us/web/api/webrtc_api/protocols/index.md | 3 +++ 1 file changed, 3 insertions(+) diff --git a/files/en-us/web/api/webrtc_api/protocols/index.md b/files/en-us/web/api/webrtc_api/protocols/index.md index 60beca6c75c7ce0..7c910b76ef632b6 100644 --- a/files/en-us/web/api/webrtc_api/protocols/index.md +++ b/files/en-us/web/api/webrtc_api/protocols/index.md @@ -91,6 +91,9 @@ For the AV1 codec the information is sent in the [Dependency Descriptor (DD) RTP As for simulcast, recent browser implementations commonly use the DD header for all codecs that support SVC, in order to simply the SFM implementation, and because it supports end-to-end encryption scenarios. +Chrome 111 and later supports SVC. +Firefox does not support SVC at the time of writing (around FF136). + ### Dependency Descriptor RTP Header Extension The [Dependency Descriptor (DD) RTP Header Extension](https://aomediacodec.github.io/av1-rtp-spec/#43-dependency-descriptor-rtp-header-extension), defined in the specification _RTP Payload Format For AV1 (v1.0)_, provides a codec-agnostic, flexible, efficient, and extensible way to describe the relationships between frames in a multi-layered video stream.