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Re: Why people munge SDP

From: Silvia Pfeiffer <silviapfeiffer1@gmail.com>
Date: Fri, 18 Oct 2013 19:02:52 +1100
Message-ID: <CAHp8n2=L2x6bRwjbkzc6sBKJz9CeckQToqJx4LpvytH7VKrJZw@mail.gmail.com>
To: piranna@gmail.com
Cc: public-webrtc <public-webrtc@w3.org>, Cullen Jennings <fluffy@cisco.com>
It has issues - munged(sdp) != sdp . but I like the approach.
Silvia.
 On 18 Oct 2013 18:41, "piranna@gmail.com" <piranna@gmail.com> wrote:

> Thanks for the link :-)
>
> 2013/10/18 Silvia Pfeiffer <silviapfeiffer1@gmail.com>:
> > Hi everyone,
> >
> > sorry for picking up an old thread, but I'd like to point out an
> > awesome interface for SDP munging:
> > https://github.com/clux/sdp-transform .
> > I wished browsers would expose SDP in the kind of JSON that this
> > library provides!
> > It even has a pretty formal grammar and parser.
> > This should be an inspiration.
> >
> > Cheers,
> > Silvia.
> >
> >
> > On Wed, Jul 24, 2013 at 3:17 PM, Silvia Pfeiffer
> > <silviapfeiffer1@gmail.com> wrote:
> >> On Wed, Jul 24, 2013 at 2:01 PM, Cullen Jennings (fluffy)
> >> <fluffy@cisco.com> wrote:
> >>>
> >>> The next issues that got mentioned was setting bandwidth. I think we
> should add a constraint, or some API, to be able to do this. It is a bit
> more complex to add because we likely need to set it on a track not a
> stream.
> >>
> >>
> >> Yes, I'd really like an API for controlling the bandwidth use better.
> >>
> >> I've seen in Chrome that a PeerConnection ramps up to 2Mbps and then
> >> tries to stay there.
> >>
> >> When I have multiple video tracks going over the same PeerConnection,
> >> they together have to share the 2Mbps, which usually ends up in having
> >> one video track continue to be active and the others drop in and out
> >> all the time. That is not sustainable and we should provide bandwidth
> >> limitations on a per track basis.
> >>
> >> Also, when I have a video at 640x480 and another one at 1080x720, they
> >> both get limited to 2Mbps independently. Even if I know that I have
> >> hundreds of Mbits available, I can't currently tell Chrome to give the
> >> 1080x720 video 10Mbps, while the 640x480 can continue with 2Mbps.
> >>
> >> HTH,
> >> Silvia.
> >
>
>
>
> --
> "Si quieres viajar alrededor del mundo y ser invitado a hablar en un
> monton de sitios diferentes, simplemente escribe un sistema operativo
> Unix."
>  Linus Tordvals, creador del sistema operativo Linux
>
Received on Friday, 18 October 2013 08:03:19 UTC

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