[Bug 23080] allowing multiple handles to be opened on the same file descriptor

[wine-bugs at winehq.org]

http://bugs.winehq.org/show_bug.cgi?id=23080


Raymond <superquad.vortex2 at gmail.com> changed:

           What    |Removed                     |Added
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                 CC|                            |superquad.vortex2 at gmail.com




--- Comment #2 from Raymond <superquad.vortex2 at gmail.com>  2010-06-08 22:12:53 ---
(In reply to comment #0)
> Created an attachment (id=28657)
 --> (http://bugs.winehq.org/attachment.cgi?id=28657) [details]
> patch
> 
> patch allowing multiple handles to be opened on the same file descriptor and
> return per-handle statistics about the amount of audio played

For alsa sound card which does not support hardware mixing , there is only one
playback subdevice "hw:0,0,0" in "hw:0,0"  and wine cannot open "hw:0,0"
multiple times

For those alsa sound card which support hardware mixing , there are more then
one playback subdevices ( ymfpci and emu10k1 has 64 subdevices ) which allow
wine to open multiple times since DSP mix them by hardware instead of wine mix
by software

There should be a voice management which limited the times of open to the
number of voices supported

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