Add support for playout-delay RTP extension #2895
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This PR contains the following updates: | Package | Update | Change | |---|---|---| | [meetecho/janus-gateway](https://github.com/meetecho/janus-gateway) | major | `v0.11.7` -> `v1.0.0` | --- ### Release Notes <details> <summary>meetecho/janus-gateway</summary> ### [`v1.0.0`](https://github.com/meetecho/janus-gateway/blob/HEAD/CHANGELOG.md#v100---2022-03-03) [Compare Source](meetecho/janus-gateway@v0.12.0...v1.0.0) - Refactored Janus to support multistream PeerConnections \[[PR-2211](meetecho/janus-gateway#2211)] - Moved all source files under new 'src' folder to unclutter the repo \[[PR-2885](meetecho/janus-gateway#2885)] - Fixed definition of trylock wrapper when using pthreads \[[Issue-2894](meetecho/janus-gateway#2894)] - Fixed broken RTP when no extensions are negotiated - Added checks when inserting RTP extensions to avoid buffer overflows - Added missing support for disabled rid simulcast substreams in SDP \[[PR-2888](meetecho/janus-gateway#2888)] - Fixed TWCC feedback when simulcast SSRCs are missing (thanks [@​OxleyS](https://github.com/OxleyS)!) \[[PR-2908](meetecho/janus-gateway#2908)] - Added support for playout-delay RTP extension \[[PR-2895](meetecho/janus-gateway#2895)] - Fixed partially broken H.264 support when using Firefox in VideoRoom - Fixed new VideoRoom rtp_forward API ignoring some properties - Fixed deadlock and segfault when stopping Streaming mountpoint recordings \[[Issue-2902](meetecho/janus-gateway#2902)] - Fixed RTSP support in Streaming plugin for cameras that expect path-only DESCRIBE requests (thanks [@​jp-bennett](https://github.com/jp-bennett)!) \[[PR-2909](meetecho/janus-gateway#2909)] - Fixed RTP being relayed incorrectly in Lua and Duktape plugins - Added Duktape as optional dependency, instead of embedding the engine code \[[PR-2886](meetecho/janus-gateway#2886)] - Fixed crash at startup when not able to connect to RabbitMQ server - Improved fuzzing and checks on RTP extensions - Removed distinction between simulcast and simulcast2 in janus.js \[[PR-2887](meetecho/janus-gateway#2887)] - Other smaller fixes and improvements (thanks to all who contributed pull requests and reported issues!) ### [`v0.12.0`](meetecho/janus-gateway@v0.11.8...v0.12.0) [Compare Source](meetecho/janus-gateway@v0.11.8...v0.12.0) ### [`v0.11.8`](https://github.com/meetecho/janus-gateway/blob/HEAD/CHANGELOG.md#v0118---2022-02-11) [Compare Source](meetecho/janus-gateway@v0.11.7...v0.11.8) - Added initial (and limited) integration of RED audio \[[PR-2685](meetecho/janus-gateway#2685)] - Added support for Two-Byte header RTP extensions (RFC8285) and, partially, for the new Depencency Descriptor RTP extension (needed for AV1-SVC) \[[PR-2741](meetecho/janus-gateway#2741)] - Fixed rare race conditions between sending a packet and closing a connection \[[PR-2869](meetecho/janus-gateway#2869)] - Fix last stats before closing PeerConnection not being sent to handlers (thanks [@​zodiak83](https://github.com/zodiak83)!) \[[PR-2874](meetecho/janus-gateway#2874)] - Changed automatic allocation on static loops from round robin to least used \[[PR-2878](meetecho/janus-gateway#2878)] - Added new API to bulk start/stop MJR-based recordings in AudioBridge \[[PR-2862](meetecho/janus-gateway#2862)] - Fixed broken duration in spatial AudioBridge recordings - Fixed broken G.711 RTP forwarding in AudioBridge (thanks [@​AlexYaremchuk](https://github.com/AlexYaremchuk)!) \[[PR-2875](meetecho/janus-gateway#2875)] - Fixed broken recordings in NoSIP plugin - Fixed warnings when postprocessing Opus recordings with DTX packets - Other smaller fixes and improvements (thanks to all who contributed pull requests and reported issues!) </details> --- ### Configuration 📅 **Schedule**: At any time (no schedule defined). 🚦 **Automerge**: Disabled by config. Please merge this manually once you are satisfied. ♻ **Rebasing**: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox. 🔕 **Ignore**: Close this PR and you won't be reminded about this update again. --- - [ ] <!-- rebase-check -->If you want to rebase/retry this PR, click this checkbox. --- This PR has been generated by [Renovate Bot](https://github.com/renovatebot/renovate). Reviewed-on: https://git.walbeck.it/walbeck-it/docker-janus-gateway/pulls/65 Co-authored-by: renovate-bot <[email protected]> Co-committed-by: renovate-bot <[email protected]>
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While we supported negotiating and parsing the playout-delay extension already, we were not using it anywhere, nor did we have any way to relay its contents to other WebRTC PeerConnections. This PR addresses that, adding support to EchoTest, Streaming and VideoRoom plugins: all of them now have tweaks to dynamically change the delay values, so that you can customize what is sent via RTP to users.
Still not sure exactly in which contexts this might be useful specifically, but it still is a nice feature to have, that some may find of use. From a few tests, it looks like Firefox understands negotiating the extension, but doesn't actually use it then: I could only see an actual effect when testing with Chrome. I haven't tested with Edge, Safari or others, and I won't, so in case you want to give them a go, please let me know if there are problems there.
Planning to merge soon, so feedback welcome!