[wdmaudiodev] Re: avstream pin allocator framing requirements
- From: Tim Roberts <timr@xxxxxxxxx>
- To: wdmaudiodev@xxxxxxxxxxxxx
- Date: Tue, 20 Jun 2006 14:32:36 -0700
Nick Dowell wrote:
>
> At the moment I'm only using the default allocator.
>
> The pin in question is a sink, and I'm testing it using KsEdit's Wave
> File Source filter.
>
> I'm getting the impression that it's the source pin which decides
> upon the framing requirements... is that right?
Yes.
> If so, is there any upper limit on the size of frames my sink pin has
> to be able to handle?
Not that I know of. There may be a way to inquire about the allocator
that will actually be used, but I've never used it.
However, remember that you are not required to handle ALL of the frame
every time you get called for processing. You can advance the frame
edge pointer a little bit at a time, and do more processing next time.
--
Tim Roberts, timr@xxxxxxxxx
Providenza & Boekelheide, Inc.
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