[wdmaudiodev] Re: AVStream based Capture Filter
- From: Tim Roberts <timr@xxxxxxxxx>
- To: wdmaudiodev@xxxxxxxxxxxxx
- Date: Mon, 02 Mar 2009 09:57:13 -0800
Andy Cao wrote:
> hi
> I wrote an AVStream driver and registered it to "Audio Capture
> Sources" category. But the registered filter display different in
> KSStdio/GraphEdit from that I declare in my code. And my filter play
> in GraphEdit, GraphEdit is hung.
>
> my filter's pin description is here
> ...
> The KSStudio show only one Capture pin, and tell that the capture pin
> is KSPIN_COMMUNICATION_SINK (not KSPIN_COMMUNICATION_BOTH as I
> declare).
>
Well, there IS only one capture pin, right? You have one fake input pin
for the analog audio, which is optional (InstancesNecessary==0) and has
no valid data ranges, and one real capture output pin, which is required.
How far do you get in graphedt? Does the pin connect? Do any of the
state changes happen?
--
Tim Roberts, timr@xxxxxxxxx
Providenza & Boekelheide, Inc.
******************
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
URL to WDMAUDIODEV page:
http://www.wdmaudiodev.com/
Other related posts:
