Hi Brad,

> I put some junk in the btsco cvs:
> 
> alsa-lib.patch
> bt/
> 
> if you apply alsa-lib.patch and put bt inside alsa-lib/src/pcm then the 
> idea is that you can build a userspace alsa driver.
> 
> currently it doesn't even compile... it's just based on the jack plugin 
> and not yet reworked for bluetooth.

nice start. Actually I tried this by myself some time ago, but haven't
got any further than a skeleton. The main problem I see at the moment is
that we have to develop this inside the ALSA lib source and that is bad.
The reason for this is "pcm_local.h" and its definitions that are not
installed system wide. I don't think that SND_PCM_TYPE_BLUETOOTH is
needed, but I can be wrong of course. The other thing is that this stuff
should belong to the pcm/ext/ directory. My skeleton is attached and I
used these extra lines in ~/.asoundrc

	pcm.aiptek {
		type a2dp
		bdaddr "00:0B:xx:xx:xx:xx"
	}

Assuming that /usr/lib/alsa-lib/libasound_module_pcm_a2dp.so exists this
works as it should. So we have PCM at the input side of this plugin and
we send SBC over AVDTP to our headphone.

> anyway, this is my next project. it depends on a couple of things in 
> other parts of the project:

Actually I think this is the way we should go. Using a2play is great,
but this will open it up to any tool that can play music using the ALSA
library.

>   it would be nice if 'make install' inside sbc/ would install the sbc 
> includes and library (static libs would be ok)

This is the whole goal, but for now I think we should copy the source
and simply link it. My plan is to combine sbclib.c and sbc.c and include
sbc_internal.h into sbc.c then. Also sbc_tables.h is not really useful
as a separate include.

>   the avdtp library is just a skeleton right now... should I just ignore 
> it for now and hardcode what is currently in a2play?

It is more than a skeleton, but I haven't committed the other code and I
don't think that I will have much time to work on it. Ignore it for now,
because we can catch up with that later.

Regards

Marcel