Re: [Bluez-devel] report on new bluez headset

[Fabien Chevalier <fabchevalier@free.fr>]

Hi Giuseppe,

> Fabien Chevalier wrote:
> 
>>> - if I close and reopen the headset then ekiga no longer finds the 
>>> audio device
>>
>>
>> Do you mean ending a call by closing the headset ??
>>
> 
> Yes, exactly. If I close the headset during a conversation then ekiga 
> completely freezes.

For now this is not supported :-)

In the long run it should be possible to tell ekiga that the headset has 
closed, however this would require some king of communication between 
headsetd and ekiga -- i'm not there yet :-(

> 
> 
> 
>>> - if I change the device in the preferences and then put back the
>>>   bluetooth headset  ekiga no longer finds the bluetooth device.
>>>
>> Hmmm... strange. Could you please be a little more precise on that ?
>>
> 
> 
> Even stranger, I can no longer reproduce it. Well.

Too bad :-(

> 
>>> In both cases the only solution is to close and reopen ekiga.
>>>
>>> Woth xmms instad the beahviour is *quite* bizarre. When I select the 
>>> headset in the alsa plugin the music is played about 4 times faster 
>>> and the console prints repeatedly the following warning.
>>>
>>> ** WARNING **: alsa_mmap_audio(): snd_pcm_mmap_commit returned 24, 
>>> expected 104
>>
>>
>> I would even say 104 / 24 = 4,3333 time faster.
>>
>> That's weird as xmms works really perfectly on my box. :-(
>> COuld you give me details about your software configuration (xmms 
>> version, alsa version, OS version..) ?
>>
> alsa-lib-1.0.11-3.rc2.2
> alsa-utils-1.0.11-4.rc2
> alsa-lib-devel-1.0.11-3.rc2.2
> xmms-1.2.10-23.fc5
> xmms-mp3-1.2.10-16.fc5
> xmms-libs-1.2.10-23.fc5
> Linux mirto 2.6.17-rc4 #1 Tue May 16 17:58:16 CEST 2006 i686 i686 i386 
> GNU/Linux[
> 
> 
>> Could you also try to remove line 322 in file pcm_bluez_headset,
>> and see if it works better ?
>>
> 
> Done, and yes indeed it works.

Good. So it looks like mmap support is broken. It's weird as it works 
properly with aplay for instance. :-(
I think i'm gonna remove it for now...

> But the sound is not perfect. I hear some 
> frying sound (un petit gresillement), not very disturbing though but it 
> is absent when I use it with Ekiga.
> 

I noticed that. It's not perfect yet.
I'm currently working on improving voice quality in general, but i looks 
it will end up with a kernel patch.

>>> - the device does not appear in the alsa mixer
>>
>>
>> You're wrong on this one.
>> If you launch 'alsamixer -Dheadset' you will see your headset controls,
>> and if you play with volume controls while in a middle of a call you 
>> should ear the difference.
>>
> 
> Right. Just a couple of questions then. How can I have it appear in 
> gnome volume control. 

I Don't know. I don't use gnome ;-)

> And how to use the headset with, say, skype?

I don't know. I haven't tryed with skype yet.


Fabien


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