On Sat, 4 Jan 2003, Ville V Sinkko wrote:
> I'm working on a software synth, my first project with ALSA. Everything
> is going fine, save for the initialization of the PCM output: based on
> the scraps of documentation I've found, I have not been able to figure
> out what exactly a "period" is, what its size signifies and how the
> concept relates to or overlaps with that of output buffering.
>
> For an example, suppose I'm producing 44100 hz 16-bit mono signal and
> want a 256-frame (512 bytes) output buffer. How do I use the period-related
> hw functions in this case?
You have to divide the output buffer to smaller chunks after which
hardware acknowledges transfers. These chunks are called periods in ALSA.
Jaroslav
-----
Jaroslav Kysela <[EMAIL PROTECTED]>
Linux Kernel Sound Maintainer
ALSA Project, SuSE Labs
-------------------------------------------------------
This sf.net email is sponsored by:ThinkGeek
Welcome to geek heaven.
http://thinkgeek.com/sf
_______________________________________________
Alsa-user mailing list
[EMAIL PROTECTED]
https://lists.sourceforge.net/lists/listinfo/alsa-user
