[wdmaudiodev] Re: Hardware acceleration format

  • From: NCH Obble Smith <Obble@xxxxxxxxxxxxxxx>
  • To: wdmaudiodev@xxxxxxxxxxxxx
  • Date: Tue, 10 Nov 2009 09:28:47 +1100

Ah, So I will continue looking in the streams of properties for more information if I can find any the make scene :-(

Thanks for the information.

On 10/11/2009 9:01 AM, Tim Roberts wrote:
NCH Obble Smith wrote:
In case anyone was thinking, the format being played isn't in a DATA
INTERCEPT or DAtaRange return values either.  I can see the value
being played on the stack when the function KsCreatePin is called, but
I dont know how to get to that structure unless I walk the stack. It
must be provided somehow / somewhere on the IRP_MJ_Create.

Does any one know of the documentation of IRP_MJ_Create when it comes
to audio stuff like creating pins?
Whatever you got is just an accident.  There is nothing in the
IRP_MJ_CREATE request that provides for out-of-band information like
this.  You have to watch the property stream.  That's the only way to
get this data.


WDMAUDIODEV addresses:
Post message: mailto:wdmaudiodev@xxxxxxxxxxxxx
Subscribe:    mailto:wdmaudiodev-request@xxxxxxxxxxxxx?subject=subscribe
Unsubscribe:  mailto:wdmaudiodev-request@xxxxxxxxxxxxx?subject=unsubscribe
Moderator:    mailto:wdmaudiodev-moderators@xxxxxxxxxxxxx


Other related posts: