[maemo-developers] [Fwd: Re: /dev/dsp]

[From: Jesse Guardiani]

I don't have any suggestions for you, but I'd like to encourage you. I'd
really like to see an extensible SIP phone in maemo. rtcomm is nice, but
it has some shortcomings currently and having more than one option is a
good thing, IMO.

yang guangxiang wrote:
> I have a similar question. I am porting a sipphone used alsa. But N770
> don't support alsa, though someone don't think so. Refer to
> multimedia_architecture.html.
>
> I am writing a driver for gstreamer for the sipphone..
>
>
> 2007/9/12, Detlef Schmicker <d.schmicker at physik.de>:
>   
>> Hi,
>>
>> I have some progress:
>>
>> I compiled alsa-oss (oos emulation for alsa) on maemo and tried to start
>> gtick with
>>
>> Nokia-N800-26:/home/user# ./aoss ./gtick
>> dsp_protocol_open_node(): Could not open pcm device
>> file /dev/dsptask/pcm3
>>
>>
>> As you see, it is the actual firmware on N800.
>>
>> The device is present in /dev.
>>
>>
>> Do you have any idea, what might be the problem. I did not find any
>> simelar problem.
>>
>> Detlef
>>
>>
>> ---------- 已转发邮件 ----------
>> From: Detlef Schmicker <d.schmicker at physik.de>
>> To: Marc-Andre Lureau <marc-andre.lureau at nokia.com>
>> Date: Mon, 10 Sep 2007 16:34:25 +0200
>> Subject: Re: /dev/dsp
>> HI,
>>
>> Thanks, I was afraid of this :-)
>>
>> No, I just compiled in scretchbox and I was able to start it on N800.
>>
>> Do you know of any projects, which might make a bridge from oos /dev/dsp
>> device to GStreamer, ALSA or esd?!
>>
>> (I am not very familar with sound systems up to now)
>>
>> Detlef
>>
>> Am Montag, den 10.09.2007, 11:35 +0300 schrieb Marc-Andre Lureau:
>>     
>>> Hi!
>>>
>>> GTick is seriously cool for musicians, especially if it is on a
>>> n770/800
>>> Excellent idea :)
>>>
>>> I can see from the source that GTick only works with OSS.
>>> Unfortunately, OSS is not supported... Extra work will be needed.
>>>
>>> An application can use GStreamer, ALSA or esd:
>>> http://maemo.org/development/documentation/how-tos/3-x/multimedia_architecture.html
>>>
>>> Is your progress already published on a git branch, or garage?
>>>
>>> Cheers,
>>>
>>> On Sat, 2007-09-08 at 20:17 +0200, ext Detlef Schmicker wrote:
>>>       
>>>> Hay,
>>>>
>>>> I tried to port gtick (metronom application).
>>>>
>>>> I need to enter the sound device, but there is no /dev/dsp availible.
>>>>
>>>> Is there an easy way to install one?!
>>>>
>>>> Thanks Detlef
>>>>
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>>>>         
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>>     
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-- 
Jesse Guardiani
Programmer/Sys Admin
jesse at guardiani.us