Re: [Alsa-user] buffer size for alsa plugin

[Clemens L. <cl...@la...>]

remu kelly wrote:
> i have to create a external alsa filter plugin in which the "transfer"
> function will receive the input buffer, with say size "x". but then we will
> have to apply some algo on input data and the output buffer will be of size
> "2x".

External filter plugins cannot change the sample rate.

You could try writing an external I/O plugin and managing the slave device
yourself, but it might be a better idea to require that the data must be
upsampled before your plugin sees it.


Regards,
Clemens