One more IP Multicast related modification

Christophe Massiot massiot at
Wed Oct 3 13:34:22 CEST 2001

On Tue, Oct 02, 2001, Mathias Kretschmer wrote:

> > >   - Loss Resilience
> > 
> > Hmmm what else do you want to do ?
> I haven't looked into vlc's mepg code, so I don't now what exactly it
> does when it looses one or more TS frames.  It just seems to me that 
> the hardware decoder we're working with has a better error mitigation
> scheme,
> although it is far from being perfect.

When we lose a packet, we escape the decoders with a packet filled with
zeros, and continue with the rest of the stream. So in most cases we lose
a frame.

> A good mitigation scheme and FEC are essential to set up a scalable
> distribution system over a (somewhat) lossy network. That's my focus.

Oh we obviously don't have this.

> I have a lot of code to handle audio (MPEG2/4 AAC). Much of it could be 
> re-used to carry MPEG2 Transport. I'm right now trying to convince my
> boss
> to make that stuff OpenSource.

Excellent !

> > >   - Encryption support for video conferences, etc.
> > 
> > It would be great, too. I heard some members of the VideoLAN team *might*
> > work on this in the future, but it's too soon to tell.
> Same as above. I have some code but need to find a way to make it public
> domain.

GPL would be enough :-).

> I mainly wanted to get a feeling for what people's interests are.

We're interested in many areas, we just need coders...

> If I can find a decent DivX codec I might go for that since I'm really
> impressed
> with the video quality at around 2Mbps.

I'm thinking of integrating FFMPEG

Christophe Massiot.

More information about the vlc-devel mailing list