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From Arthur Chen <zijian.p...@gmail.com>
Subject Re: oss problem
Date Mon, 07 Sep 2009 12:44:54 GMT
Hi Kevin´╝î

I know ALSA is used in Ubuntu system for alsa-base package  is installed on
it. But we don't know the license of the deb package, I think we should
download the alsa source package, compiled it as GPLed like ffmpeg, then we
use the APIs of ALSA to capture audio.

Regards,
Arthur
2009/9/7 Samuel Kevin <lovesummerf@gmail.com>

> hi Arthur:
>    The last step is always the hardest. Alsa now is popular in linux
> distribution, at least in my Ubuntu. i just checked it and i found that it
> is both GPLed and LGPLed. It is quiet awkward that how could i know whether
> the alsa driver in my system is GPLed or LGPLed?
> regards
> Kevin
>
> 2009/9/7 Arthur Chen <zijian.ping@gmail.com>
>
> > Hi all,
> >
> > I thought we have solved the oss problem last time for Kevin and I
> deleted
> > some code related to OSS, but we didn't notice that OSS is used to
> capture
> > audio,. The APIs of OSS is in <linux/soundcard.h>,. Generally speaking
> OSS
> > is used as soundcard driver, but it is GPLed. Another Linux soundcard
> > driver
> > is ALSA, it has LGPLed version.
> > To capture audio, the using of APIs of soundcard driver is inevitable, so
> > maybe we should use ALSA to replace OSS.
> >
> > Best regards,
> > Arthur
> >
>
>
>
> --
> Bowen Ma a.k.a Samuel Kevin @ Bluesky Dev Team    XJTU
> Shaanxi Province Key Lab. of Satellite and Terrestrial Network Tech
> http://incubator.apache.org/bluesky/
>

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