Re: [alsa-devel] Direct use of the DMA buffer?

Pavel Hofman wrote:

Please excuse my ignorance, but is it possible for an application to directly use/output to the DMA buffer allocated by the kernel in hw_params?

Set one of the SND_PCM_ACCESS_MMAP_* access types and then use snd_pcm_mmap_begin/commit.

Regards, Clemens