Re: [Bluez-devel] AVDTP socket?

Marcel Holtmann
2004-11-19T21:33:44Z

Hi Henryk,

> > and I figured out what the extra RFCOMM channel 1 on my Aiptek headphone
> > does. You can simply stream the SBC files over it. The attached program
> > will do this for you, but actually it only works on streams with two
> > channels. I don't know what to change to support all test SBC files.
>
> Excellent!
>
> I know I did try this as the first thing when I discovered that
> channel (using rfcomm bind ..., rfcomm connect ... and cat foo.sbc >
> /dev/rfcomm0) but obviously didn't try hard enough. Your rcplay does
> work with mono files for me just fine.

I think the problem with the other approach (I also tried it) was that
the underlaying frame size is different if you connect through a TTY. I
stuck it at 330 bytes which is a DH5 minus protocol overhead.

The test files 01, 03, 05 don't work for me.

> From a rough test (I didn't compare the sound output to the reference
> decoder, just listened at it) I'd say my headphones play back the
> first 10 SBC test streams well, with the notable exception of number
> 7. So it seems that being a mono file doesn't prevent playback this
> way generically.

Do you also use the Aiptek or the BlueTake one. The Aiptek is very old
and maybe the decoder in my headphone has a bug.

Regards