[Openal] Unable to open the device capture ???

Jason Daly jdaly at ist.ucf.edu
Mon Jun 16 08:21:25 PDT 2008


wassim_belhadj wrote:
> Dear list
>
> I'am using Openal to record  Sound.
>
> I am using  a usb  Microphone to capture sound (PHILIPS SpeechMike)
>
> I have an error message indicating that the initialization of the capture
> is impossible.
>
> It is at the methode  "alcCaptureOpenDevice" ==> Unable to open the device
> capture
>
> It is noteworthy that the name of the device is passed as parameter  after
> extraction devices contained in the returned string
>
> of methode alcGetString.
>
> Please help me and thanks in advance.
>   

What implementation are you using, and what platform?

What happens if you just pass NULL for the device to alcCaptureOpenDevice?

If you're using the OpenAL-Sample implementation, it suffers from a bug 
that requires you to open a playback device (using alcOpenDevice) before 
you can open a capture device.

--"J"



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