[alsa-devel] Backported sbxfi driver, possible fix

[The Source]

Takashi Iwai пишет:
> At Sun, 26 Oct 2008 09:32:08 +0300,
> The Source wrote:
>   
>> Bjoern Olausson пишет:
>>     
>>>> Latest unstable (25Oct 19:57) works from command line with mplayer,
>>>> without the proc oss fix.
>>>>
>>>>     
>>>>         
>>> Confirmed.
>>> The stuttering got better, but is still present.
>>>
>>> Xine works flawless.
>>>
>>>   
>>>       
>>>> aplay still works but only with dmix.
>>>>
>>>>     
>>>>         
>>> Samplingrate 11025Hz and 8000Hz do not play a clear sinus, sounds a
>>> bit scratchy..
>>> All other common samplingrates work flawless. Could someone confirm that?
>>> http://tmp.olausson.de/30days/0_16_s_8000.wav
>>> http://tmp.olausson.de/30days/0_16_s_11025.wav
>>> http://tmp.olausson.de/30days/0_16_s_96000.wav
>>>
>>> Just using "aplay file.wav"
>>>
>>> More noticable ist it when using mplayer. Crackles a lot with 8000Hz and 11025Hz
>>> "mplayer file.wav"
>>>
>>> mmh, xine crackles too. Please someone confirm, otherwise the files may be bad.
>>>
>>>   
>>>       
>>>> Now also almost working in gnome with pulse, sound is recognisable but
>>>> with lots of interference/corruption.
>>>>
>>>>     
>>>>         
>>> No pulseaudio on my machine. Sry.
>>>
>>>   
>>>       
>>>> Machine did not crash at any point!
>>>>
>>>>     
>>>>         
>>> Just observed a X crash when using smplayer to play a avi. When I
>>> closed smplayer while the movie was playing X crashed. (But could be
>>> unrelated to audio, I could not reproduce it)
>>>
>>> But no crash or freez so far.
>>>
>>>   
>>>       
>>>> This was running on 2.6.26... is this a problem? SUPPORTED_KERNELS says
>>>> 2.6.25 or earlier?
>>>>
>>>>     
>>>>         
>>> I am using vanilla 2.6.27.3
>>>
>>> Thanks for you awesome work!
>>>
>>> By the way, what's next on your plan when stereo output and recording
>>> is working flawless?
>>>
>>>
>>> kind regards
>>> Bjoern
>>> _______________________________________________
>>> Alsa-devel mailing list
>>> Alsa-devel at alsa-project.org
>>> http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
>>>
>>>   
>>>       
>> Tried the latest driver.
>> All is fine (haven't tested recording however) except pulseaudio 
>> (doesn't work) and wine (sound is mega-glitchy, possibly because of 
>> strange period and buffer sizes it uses: period=544, buffer=8704). 
>>     
>
> Maybe due to the sample rate?  I guess with 48kHz it would be a more
> sane period/buffer size.
>
>
> thanks,
>
> Takashi
>
>   
--With that option pulseaudio works better (still some glitches, but --very
--small). But wine still corrupts sound.

Hmmm....after sound got currupted, I started playing a file with xmms. 
Sound was horrible, but I couldn't get hw_params, because the contents 
of that file are 'closed'! How can this be if xmms uses alsa at that time??