[linux-audio-dev] Linux Alsa Audio over 1394 - a Thesis

Martijn Sipkema msipkema at sipkema-digital.com
Wed Feb 26 05:26:00 UTC 2003


> > I'm not sure, but it seems the audio transport over FireWire does not
> > deliver a constant number of frames per packet. Does this mean that
> > JACK cannot support FireWire audio without extra buffering?
> 
> ISO packets are a fixed size, so there will be a constant number of
> frames per packet.

No, I don't think so. The packets are a fixed size and they are sent at
a fixed interval which means the number of samples per packet will
differ by one. That what it says in the paper. And that is what JACK
won't support properly because it is considered a 'broken' design.

--ms






More information about the Linux-audio-dev mailing list