Re: Get frame rate with VMR

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From: The March Hare (MVP) (phil_at_ndsm.maps)
Date: 06/30/04 

Date: Wed, 30 Jun 2004 10:53:07 -0600

On Wed, 30 Jun 2004 23:48:14 +0800, Rover Shen wrote:

> I tried all those methods, here are the results:
>
> 1. IBasicVideo. I can't get the interface throug IGraphBuilder interface.

Are you querying the VMR for this interface? I don't think the GB supports
it and I don't know if the VMR does. Check the docs to see if the VMR
does.

> 2. IPin. The returned media type does not include correct information, only
> majortype and subtype available.

Which IPin? Where is your code snippet?

> 3. IMediaDet. Can't return correct fps with sometimes. Sometimes return a
> VFW_E_INVALIDMEDIATYPE error.

What is the media type of the files that don't work? 

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