[MPlayer-dev-eng] DirectSound (win32) audio output driver

[jack zhu]

> >Meanwhile I should probably also think about which HWND to pass to
> >the SetCooperativeLevel function ;-) maybe just some invisible dummy
> >window? I'm not sure whether I can rely on anything else.
> 
> Does it require a window?
> For vo directx it worked without. I think there is a function to get a
> handle to the desktop
> window. You could use this then instead. At least don't rely on a vo window.
> 
> Sascha
i'm also interest in dxsound implementaion.it seems buffering statgey is clear:
1 create a large continuous buf.
2 lock dsound buffer to get current free sapce.
3 write to free space.
4 unlock dsound buffer.
imho,idirectsoundnotify isnot needed.

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