[Galene] Whole meeting as a youtube livestream?

[Galene] Whole meeting as a youtube livestream?

[Karsten Hahn]

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Hello,

at first, I have installed galene today and I am very impressed! The quality is great. Thanks a lot for this application!

I was thinking about streaming a complete meeting as a livestream on youtube. Is this possible? Has anyone had any experience with this? Maybe a transcoder from WebRTS to RTSP is necessary? You see, I'm not really an expert in this domain :-)

Thanks for any tips and best regards,
Karsten

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[Galene] Re: Whole meeting as a youtube livestream?

[Fabrice Rouillier]

Hi

Just catch the window of your navigator with OBS and you are Done


Fabrice

> Le 31 déc. 2023 à 17:38, Karsten Hahn <public@hahn.ws> a écrit :
> 
> Hello,
> 
> at first, I have installed galene today and I am very impressed! The quality is great. Thanks a lot for this application!
> 
> I was thinking about streaming a complete meeting as a livestream on youtube. Is this possible? Has anyone had any experience with this? Maybe a transcoder from WebRTS to RTSP is necessary? You see, I'm not really an expert in this domain :-)
> 
> Thanks for any tips and best regards,
> Karsten

[Galene] Re: Whole meeting as a youtube livestream?

[Sean DuBois]

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If you want something headless you can run https://github.com/centricular/gstcefsrc

That will give you a GStreamer pipeline that can go to RTMP etc…

If that sounds like what you want happy to answer questions/helpset it up. 

> On Dec 31, 2023, at 12:58, Fabrice Rouillier <fabrice@rouillier.fr> wrote:
> 
> Hi
> 
> Just catch the window of your navigator with OBS and you are Done
> 
> 
> Fabrice
> 
>> Le 31 déc. 2023 à 17:38, Karsten Hahn <public@hahn.ws> a écrit :
>> 
>> Hello,
>> 
>> at first, I have installed galene today and I am very impressed! The quality is great. Thanks a lot for this application!
>> 
>> I was thinking about streaming a complete meeting as a livestream on youtube. Is this possible? Has anyone had any experience with this? Maybe a transcoder from WebRTS to RTSP is necessary? You see, I'm not really an expert in this domain :-)
>> 
>> Thanks for any tips and best regards,
>> Karsten
> _______________________________________________
> Galene mailing list -- galene@lists.galene.org
> To unsubscribe send an email to galene-leave@lists.galene.org

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[Galene] Re: Whole meeting as a youtube livestream?

[Juliusz Chroboczek]

>> I was thinking about streaming a complete meeting as a livestream on youtube.

> Just catch the window of your navigator with OBS and you are Done

Right.

Galene does not do any multiplexing: when a meeting consists of multiple
streams, then all of the streams are sent to all participants.

Youtube requires a single stream, so at some point somebody needs to
decode the videos, build a mosaic view, and then recode the videos.  It
cannot be the Galene server, since the server does not do any recoding
(that's what makes it cheap and fast).  The best place is the browser,
which already knows how to decode WebRTC streams.

So rendering in the browser and recoding using OBS seems like a perfectly
fine solution.  Another solution would be to perform the recoding in the
browser itself, but I'm not sure how easy it would be.

Happy new year!

-- Juliusz

[Galene] Re: Whole meeting as a youtubelivestream?

[Karsten Hahn]

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Hi all,

thans for the prompt feedback and a happy new year 2024.

Good explanation of the functionality of WebRTC. In fact the combination of the streams serverside will be a problem. So I'll try the client side OBS solution.

On the oher hand I found serveral articles about headless chrome and puppeteer ... I'll read more about it.

Thanks a lot for your information and best greetings,

Karsten

Am Montag, Januar 01, 2024 02:38 CET, schrieb Juliusz Chroboczek <jch@irif.fr>:
 >> I was thinking about streaming a complete meeting as a livestream on youtube.

> Just catch the window of your navigator with OBS and you are Done

Right.

Galene does not do any multiplexing: when a meeting consists of multiple
streams, then all of the streams are sent to all participants.

Youtube requires a single stream, so at some point somebody needs to
decode the videos, build a mosaic view, and then recode the videos. It
cannot be the Galene server, since the server does not do any recoding
(that's what makes it cheap and fast). The best place is the browser,
which already knows how to decode WebRTC streams.

So rendering in the browser and recoding using OBS seems like a perfectly
fine solution. Another solution would be to perform the recoding in the
browser itself, but I'm not sure how easy it would be.

Happy new year!

-- Juliusz

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[Galene] Re: Whole meeting as a youtube livestream?

[Tim Panton]

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> On 1 Jan 2024, at 01:38, Juliusz Chroboczek <jch@irif.fr> wrote:
> 
>>> I was thinking about streaming a complete meeting as a livestream on youtube.
> 
>> Just catch the window of your navigator with OBS and you are Done
> 
> Right.
> 
> Galene does not do any multiplexing: when a meeting consists of multiple
> streams, then all of the streams are sent to all participants.
> 
> Youtube requires a single stream, so at some point somebody needs to
> decode the videos, build a mosaic view, and then recode the videos.  It
> cannot be the Galene server, since the server does not do any recoding
> (that's what makes it cheap and fast).  The best place is the browser,
> which already knows how to decode WebRTC streams.
> 
> So rendering in the browser and recoding using OBS seems like a perfectly
> fine solution.  Another solution would be to perform the recoding in the
> browser itself, but I'm not sure how easy it would be.

There is a sort of halfway house I’ve done where you screen capture (ie mix) a div in the ‘host’ browser and send that as a webRTC stream to a local recording process (in my case pipe and ffmpeg - but it could be a gstreamer pipeline).

This works pretty well - 
https://github.com/pipe/rdv-show/blob/4793900b6d661153da1962d0a694ee71fbfdfccb/rdv-show/js/host.js#L64
rdv-show/rdv-show/js/host.js at 4793900b6d661153da1962d0a694ee71fbfdfccb · pipe/rdv-show
github.com
 

I’ve played with media stream recorder, but then you need to have a web server to capture and store the media file chunks.

Happy to help if that’s useful.


T.

> 
> Happy new year!
> 
> -- Juliusz
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> Galene mailing list -- galene@lists.galene.org
> To unsubscribe send an email to galene-leave@lists.galene.org


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[Galene] Re: Whole meeting as a youtube livestream?

[Juliusz Chroboczek]

>     Another solution would be to perform the recoding in the browser
>     itself, but I'm not sure how easy it would be.
> 
> There is a sort of halfway house I’ve done where you screen capture (ie mix) a
> div in the ‘host’ browser and send that as a webRTC stream to a local
> recording process (in my case pipe and ffmpeg - but it could be a gstreamer
> pipeline).

How do you push the stream into ffmpeg?

[Galene] Re: Whole meeting as a youtube livestream?

[Tim Panton]

> On 1 Jan 2024, at 15:53, Juliusz Chroboczek <jch@irif.fr> wrote:
> 
>>    Another solution would be to perform the recoding in the browser
>>    itself, but I'm not sure how easy it would be.
>> 
>> There is a sort of halfway house I’ve done where you screen capture (ie mix) a
>> div in the ‘host’ browser and send that as a webRTC stream to a local
>> recording process (in my case pipe and ffmpeg - but it could be a gstreamer
>> pipeline).
> 
> How do you push the stream into ffmpeg?

I have a bit of |pipe| (java) code that opens a webrtc connection, gets the single (mixed) stream and strips the ICE/SRTP off and feeds the RTP to ffmpeg. 

You could write something similar in pion pretty easily I think. 

Also I know some people have done gstreamer pipelines that do the SRTP  and the ffmpeg bit.


T.

[Galene] Re: Whole meeting as a youtube livestream?

[Sean DuBois]

On Mon, Jan 01, 2024 at 04:01:59PM +0000, Tim Panton wrote:
> 
> 
> > On 1 Jan 2024, at 15:53, Juliusz Chroboczek <jch@irif.fr> wrote:
> > 
> >>    Another solution would be to perform the recoding in the browser
> >>    itself, but I'm not sure how easy it would be.
> >> 
> >> There is a sort of halfway house I’ve done where you screen capture (ie mix) a
> >> div in the ‘host’ browser and send that as a webRTC stream to a local
> >> recording process (in my case pipe and ffmpeg - but it could be a gstreamer
> >> pipeline).
> > 
> > How do you push the stream into ffmpeg?
> 
> I have a bit of |pipe| (java) code that opens a webrtc connection, gets the single (mixed) stream and strips the ICE/SRTP off and feeds the RTP to ffmpeg. 
> 
> You could write something similar in pion pretty easily I think. 
> 
> Also I know some people have done gstreamer pipelines that do the SRTP  and the ffmpeg bit.
> 
> 
> T.
> 
>
Can you push WebRTC (WHIP) directly? You can't use YouTube, but you have
a few other options.

https://webrtchacks.com/webrtc-cracks-the-whip-on-obs

> 
> 
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