[alsa-devel] hw_params function and OSS emulation
tiwai at suse.de
Thu Aug 23 19:40:15 CEST 2007
At Thu, 23 Aug 2007 12:36:43 -0500,
Timur Tabi wrote:
> Takashi Iwai wrote:
> >> On a side note, I notice that ALSA has some scatter-gather support. If an
> >> application uses S/G, I presume the concept of a DMA buffer size doesn't even
> >> apply?
> > The SG-buffer isn't for applications but for drivers. From the
> > application viewpoint, the buffer looks linear.
> Yes, but in SG, the application allocates the DMA buffer, and a list of
> physical addresses is passed to the driver.
Err, usually, application = user-space application. Do you mean
More information about the Alsa-devel