>> .
>>
>> I set the card to FLOAT_LE format.
>>
>
> What did you set exactly? Set hw_params calls with format = FLOAT_LE
> from application?
>
Yes, this is my .asoundrc
pcm.LinPSK_card {
type hw
card M5455
}
pcm.LinPSK {
type plug
slave.pcm LinPSK_card
}
and I open LinPSK.
>> If I read the samples with snd_pcm_readi, I get invalid values ( 10*e34
>> ) from time to time, although the result code of readi does not signal
>> any errors.
>>
>> Is there a way to check if the read values are valid inside the driver
>> ? I think, there is a problem inside the driver. Using a delta 44
>> soundcard, the problem is gone.
>>
>
> I guess it's rather a conincidence that it worked with another card.
> Or, possibly, conversion between S16 and float in alsa-lib plugin
> might be broken.
>
>
Well, but not all samples contain bad values. Only after some times
some bad values appear.
Volker
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