[wdmaudiodev] Re: MSVAD and WDM capture
- From: "Sam Tertzakian" <sam@xxxxxxxxxxx>
- To: <wdmaudiodev@xxxxxxxxxxxxx>
- Date: Sat, 19 Jun 2004 06:36:41 -0700
Perhaps this is a clue: QCap.dll uses the Wave API to talk to the underlying
driver. But, KxProxy talks directly to the driver using KS IOCTLS.
So maybe you can search the Ks streaming for an IOCTL that allows you to set
the buffer size. Or maybe it can be done with the allocator in the driver.
You can specify how many buffers and the size of each buffer your driver
uses, but I don't think that gets exported or used in a way you can use.
But, perhaps it is possible.
Just some ideas.
Good luck.
-----Original Message-----
From: wdmaudiodev-bounce@xxxxxxxxxxxxx
[mailto:wdmaudiodev-bounce@xxxxxxxxxxxxx] On Behalf Of Yura
Sent: Saturday, June 19, 2004 6:35 AM
To: Sam Tertzakian
Subject: [wdmaudiodev] Re: MSVAD and WDM capture
Hello ,Sam
Saturday, June 19, 2004, 4:11:07 PM, you wrote:
Yeah, works great with QCap.dll !!!
Thanks for your help. I'll continue investigation on buffers in
KxProxy and will post the results if I find something.
ST> Ok, now I remember...I did not call this property with KxProxy. I called
it
ST> to set in QCap.dll. (KxProxy has small buffers but QCap has large
buffers. I
ST> needed to change from large to small.)
ST> So, can you do me a favor? Can you try the same thing with a filter
created
ST> by QCap.dll instead of KxProxy. I bet KxProxy is rejecting your request
for
ST> some reason. If it works with QCap.dll then, at least you know your code
is
ST> correct.
--
Best regards,
Yura mailto:spirit@xxxxxxxxxx
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