[wdmaudiodev] Re: The Last Buffer's Notice
- From: "Jeff Pages" <jeff@xxxxxxxxxxxxxxxx>
- To: <wdmaudiodev@xxxxxxxxxxxxx>
- Date: Mon, 26 May 2003 09:44:14 +1000
From the documentation on the wave callback functions, you must never call
any of the wave functions (like waveXXXUnprepareHeader), or any Win32
functions except for a short list of exceptions, from within a callback
function. Apparently doing this causes severe internal corruption in the
waveXXX system.
Jeff Pages
Innes Corporation Pty Ltd
----- Original Message -----
From: "Joaquin Martinez Vizuete" <xvizuete@xxxxxxxxxxx>
To: <wdmaudiodev@xxxxxxxxxxxxx>
Sent: Friday, May 23, 2003 9:27 AM
Subject: [wdmaudiodev] The Last Buffer's Notice
>
> Hello World,
>
> I have just suscribed and I'd like to solve a little problem with your
help.
> Excuse my spanglish.
>
> Up to now, I was working with CallBack functions to manage a multibuffer
> thread with W9x.
> The appropiate WOM_DONE messages was comming over the process and,
> naturally, the buffer
> count was easy inside the CB func. This way, some functions like
> waveOutUnprepareHeader,
> waveOutClose and 'FreeMem' were called at the end of the audio sequence.
> Finally I'd recive
> a WOM_CLOSE message. Fine!
>
> Now I'm checking it with Windows XP. Almost every Buffer is sent to the
> output device,
> but the WOM_CLOSE message is missing. In addition, there are 'collateral
> damage' making
> new buffers and waveheaders. ¿?¿¿
>
> I would be very pleased if you could help me about this subject.
> Anyway, than you for your time.
>
>
> Regards,
> Joaquin.
>
> _________________________________________________________________
> Descubre el mayor catálogo de coches de la Red en MSN Motor.
> http://motor.msn.es/researchcentre/
>
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