RE: [linux-audio-dev] initial (incomplete) version of ALSA Audio API tutorial

New Message Reply About this list Date view Thread view Subject view Author view Other groups

Subject: RE: [linux-audio-dev] initial (incomplete) version of ALSA Audio API tutorial
From: Ivica Bukvic (ico_AT_fuse.net)
Date: Fri Mar 22 2002 - 02:28:14 EET


One word: Beautiful!

Ico

> -----Original Message-----
> From: owner-linux-audio-dev_AT_music.columbia.edu
[mailto:owner-linux-audio-
> dev_AT_music.columbia.edu] On Behalf Of Paul Davis
> Sent: Thursday, March 21, 2002 4:31 PM
> To: alsa-devel_AT_alsa-project.org; linux-audio-dev_AT_music.columbia.edu
> Subject: [linux-audio-dev] initial (incomplete) version of ALSA Audio
API
> tutorial
>
> prompted by phil kerr this morning, i started writing a tutorial on
> using the ALSA Audio API (the term "PCM" is OK once you get into this
> stuff, but ...). The following document represents it current state. I
> would like to ask for feedback even though it is very incomplete. I
> have not tested any of the programs yet.
>
> Specific things I would like feedback on:
>
> * is this kind of document useful?
> * are you totally put off by my low level discussion of
> how an audio interface works?
> * are there design errors in the sample code?
> * is my assumption that the default sw params settings
> will work fine actually correct?
> * does the developer need to set period size?
> * what material in particular do you want to see covered
> by such a tutorial? it is not going to be
> a reference work, so keep that in mind. but i am
> happy to extend it so that it describes (not documents)
> all aspects of the ALSA Audio API.
>
> One thing that has to change in the sample code is that there is
> currently no error checking for any of the params setting calls. But I
> would really appreciate it if Jaroslav and/or Abramo could review the
> code and let me know if these examples are OK as simple cases. I also
> want to add more comments to the code to make it clear what they are
> doing at each point.
>
> I would appreciate it if anybody has any ideas on a really simple
> way to get the playback examples to make a nice noise without
> burdening the examples with either waveform generating code and/or
> calls to some kind of audio file library.
>
> Anyway, the URL:
>
> http://www.op.net/~pbd/alsa-audio.html
>
> Let me know. This complaint about a lack of documentation for ALSA has
> got to stop soon, and this is my contribution to making that happen
> ASAP. My goal is to have a first, finished version of this ready by
> the end of this weekend (march 24th).
>
> --p
>


New Message Reply About this list Date view Thread view Subject view Author view Other groups

This archive was generated by hypermail 2b28 : Fri Mar 22 2002 - 02:17:42 EET