At Mon, 16 Feb 2009 16:27:06 +0530, Viral Mehta wrote:
Takashi Iwai wrote:
At Mon, 16 Feb 2009 13:24:54 +0530, Viral Mehta wrote:
Hi All,
Next time, when I enabled few of the OSS options in kernel's config file. I was able to run my application. My question is I do not want OSS at all. I just need ALSA then in that case what I am doing wrong.
Well, rather a real question is which app / subsystem accessing the OSS device and causes errors.
Thanks for quick response. Well, I myself am writing Audio Player application for some embedded device. I generally used to write open("/dev/dsp") device and then do read/write of RAW data on that device and it used to work till now. I was/am doing so and completely unaware of OSS/ALSA.
You can set up ALSA-only system in the kernel side.
But then when I found while rebuilding kernel that there are two sound sub-system OSS and ALSA. ALSA is a new one and OSS is deprecated. And so I thought to remove everything about OSS from Kernel.
In that case, simply enable ALSA OSS emulation modules, the second case below. Then OSS API will work on the top of ALSA subsystem.
Takashi
But if the user-space side requires the OSS API, it won't work.
So, I guess my application is such that it wont work with ALSA-only-kernel. But then on contrary, I think that opening a /dev/dsp and throwing data is a simple way AND what is so wrong in that and why ALSA-only-kernel cant understand that ?
So,
- if you want to remove all OSS-accessing apps, fix them
or
- build ALSA OSS *emulation* module so that they work both
or
- use aoss wrapper instead
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