On Thu, 21 Aug 2003, Arve Knudsen wrote:
> Hi
>
> I'm not sure if I quite understand the alsa-lib docs regarding the
> snd_pcm_hw_params API; in addition to an approximate integer value, one
> might specify a direction. Is the direction parameter a way to instruct
> ALSA to look for a floating point value in either direction? If that's the
> case, couldn't this be handled with floats directly?
The direction means:
0 = use exactly equal number
-1 = use the most close previous number
1 = use the most close next number
You may also get most close value using the *_near() function. In this
case, the direction selection is left on the library or driver code.
Regarding floats, we cannot use floats in a simple way in kernel so it's
better to avoid this requirement.
Jaroslav
-----
Jaroslav Kysela <[EMAIL PROTECTED]>
Linux Kernel Sound Maintainer
ALSA Project, SuSE Labs
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