Re: [Bluez-devel] snd-bt-sco development teamup...

[Marcel Holtmann <marcel@holtmann.org>]

Hi James,

> > I think the SCO driver should provide two interfaces. The first one we
> > know already is a socket interface to the SCO packets and the second
> > should handle the SCO packets directly over into an ALSA interface. May
> > you would like to switch between these two via an IOCTL, like we did it
> > for the RFCOMM layer.
> 
> I looked at doing ALSA -> SCO interface a long time ago, but gave up due 
> to what I considered limitations with the current bluetooth stack.

you never sent any patches for changing this. Start writing code and
send it in for review.

> To summarise, we need low latency, full duplex, and to provide that, we 
> need to accurately be able to determine and control the buffer sizes. 
> The current bluetooth stack has no api to help us in this regard, and 
> therefore will not work very well.

Actually you think that we need it, but I am still not sure that this is
really needed in case of the concept of the SCO packet from the HCI and
the SCO handling that is done on link manager/chip level. However you
can still convince me with real code.

Regards

Marcel




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