[wdmaudiodev] Re: AVStream Renderer
- From: Waldemar Haszlakiewicz <waldemar.haszlakiewicz@xxxxxxxx>
- To: "John D. Farmer" <wdmaudiodev@xxxxxxxxxxxxx>
- Date: Tue, 23 Mar 2004 10:24:50 +0100
There is a flag that you have to set in pin struct -> KSPIN_FLAG_RENDERER,
but there may be other things too -> like KSPIN_DATAFLOW_IN and
KSPIN_COMMUNICATION_SINK.
Anyway read about the flags in DDK and define them correctly.
Another thing recheck every struct 3 times that everything is correct.
Peace
Waldemar
JDF> I am trying to create a AVStream Minidriver Audio Renderer. I have based
what I have so far
off of the AVSSAMP sample from the DDK, I have taken out most of the video
stuff and implemented the
audio stuff. The problem I am having is that I can't seem to setup the audio
pin as a rendering
pin. I want to have it show up as a Audio Renderer in GraphEdit instead of a
WDM Streaming Capture
Device that it currently shows up as. I've looked at the MSVAD sample, and its
helped some, but I
cannot seem to divine its secrets from the code or its INF. I know that MSVAD
is a PortCls driver,
but it seems to be the only example I can find that actually shows up in the
Audio Renderers
category in MSVAD. I've tried different Categories Types, Node Types, Pin
Types, and Topology
Types. I am rather confused as to what makes a renderer a renderer. Could
someone please enlighten
me?
JDF> Any help would be appreciated.
JDF> John Farmer
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