[ros-kernel] Winmm.dll hacked together

Andrew "Silver Blade" Greenwood lists at silverblade.co.uk
Sun Nov 30 20:56:22 CET 2003


> There are two generic drivers distributed with Windows. First one is
> mmdrv.dll that acts as a installable driver for NT4 audio drivers and
that's
> the driver we will need to duplicate first. Second is wdmaud.drv you
> mentioned and that's used for newer WDM drivers. This one has lower
priority
> for us, because we don't have mature enought WDM support and no WDM audio
> support at all now.

Does mmdrv.dll act as the support for all NT4 sound drivers, or just the
Sound Blaster driver under NT4?

It might be worth getting that up and running first. At least then we can
chain it to WinMM so WinMM passes things on to it, and maybe somehow we can
log or printf some useful debugging messages to ensure all is going
smoothly.

Let's face it - it's not going to be simple, and somewhere along the lines
there's going to be a kink in the pipe that just stops things working.


>
> Filip
> ----- Original Message ----- 
> From: "Philip Alldredge" <cilcoder at yahoo.com>
> To: "ReactOS Kernel List" <ros-kernel at reactos.com>
> Sent: Saturday, November 29, 2003 10:47 PM
> Subject: Re: [ros-kernel] Winmm.dll hacked together
>
>
> [snip]
> > Yes, it seems pretty straight forward. What confused
> > me is that after looking at some NT 4 drivers I looked
> > at the drivers on my system(XP) and couldn't find the
> > "Installable Driver" that winmm calls. It turns out
> > that apparently wdmaud acts as some sort of generic
> > usermode dll for all WDM drivers.
>
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