WINEALSA: completely fill mmap buffer

[Alex Villaci­s Lasso]

Alex Villaci­s Lasso wrote:

> In my configuration (Fedora Core 2, alsa-lib 1.0.3a-2), the available 
> frames for filling do not always become an exact multiple of the 
> period size. This leaves a section of the mmap buffer unfilled, and 
> causes a *very* annoying buzzing when an application requests 
> DirectSound with winealsa (except in emulation mode). This patch fixes 
> it by checking whether a section of the buffer still remains unfilled, 
> and fills it without rounding to a multiple of the period size.
>
> Changelog:
> * Completely fill mmap buffer
>
In 20050419, winealsa has been changed, but the problem in my 
configuration still remains. This patch forces the procedure to do one 
more commit if some frames remain to be transferred.

Changelog:
* Perform one more commit in ALSA non-emulation if there are still 
frames to be transmitted.

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