Re: [webrtc-pc] Is it possible to manipulate playout-delay extention at SDP of RTCSessionDescription directly affect playout (playback) delay at remote peer connection? (#2213)

@henbos The existence of the extension 

> which has not previously been discussed by the WebRTC WG

has already caused some confusion in the wild (for users that browse various WebRTC documentations and experiment themselves)

Change playout delay in WebRTC stream https://stackoverflow.com/q/56510151

> This is what i was talking about: https://webrtc.org/experiments/rtp-hdrext/playout-delay/. I can understand what playout-delay means but not how to configure it, or if it's even at all possible 

https://gist.github.com/jimmywarting/2296342bfb7a31ad26068659d1fd9fc9#gistcomment-2945243

> Not sure if that extension is implemented. 

https://gist.github.com/jimmywarting/2296342bfb7a31ad26068659d1fd9fc9#gistcomment-2945251

> I can see the extension implemented in the sdp (chrome)
> 
> ```
> a=mid:0
> a=extmap:14 urn:ietf:params:rtp-hdrext:toffset
> a=extmap:13 http://www.webrtc.org/experiments/rtp-hdrext/abs-send-time
> a=extmap:12 urn:3gpp:video-orientation
> a=extmap:2 http://www.ietf.org/id/draft-holmer-rmcat-transport-wide-cc-extensions-01
> 
> HERE
> a=extmap:11 http://www.webrtc.org/experiments/rtp-hdrext/playout-delay
> 
> a=extmap:6 http://www.webrtc.org/experiments/rtp-hdrext/video-content-type
> a=extmap:7 http://www.webrtc.org/experiments/rtp-hdrext/video-timing
> a=extmap:8 http://tools.ietf.org/html/draft-ietf-avtext-framemarking-07
> a=extmap:9 http://www.webrtc.org/experiments/rtp-hdrext/color-space
> a=extmap:3 urn:ietf:params:rtp-hdrext:sdes:mid
> a=extmap:4 urn:ietf:params:rtp-hdrext:sdes:rtp-stream-id
> a=extmap:5 urn:ietf:params:rtp-hdrext:sdes:repaired-rtp-stream-id
> ```

https://gist.github.com/jimmywarting/2296342bfb7a31ad26068659d1fd9fc9#gistcomment-2945252

> Believe it's option B 
> >  a 10 second delay between each media pack the remote portion of the code receives? 

> I want to use one camera to transfer the live stream to another device and throughout the hole session it should play the video with an added delay on the playback to it so you can see something you did afterwards.

https://gist.github.com/jimmywarting/2296342bfb7a31ad26068659d1fd9fc9#gistcomment-2945272



Instead of attempting to delegate the issue to another board, for clarity and to avoid confusion, can users get a simple answer to the very simple question?

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Received on Thursday, 20 June 2019 23:40:02 UTC