Re: Set the default compression filter.

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From: Iain (idownsXXXX_at_dircon.co.uk)
Date: 05/19/04 

Date: Wed, 19 May 2004 20:44:57 +0100

In general anything you can do in VFW you can do in direct show.

I have never had the pleasure of coding to VFW, but in Direct Show you
essentially choose the compression by specifiying a filter which may be from
one of several historic family types (non filter compressors are wrapped).

Iain

"Sims" <siminfrance@hotmail.com> wrote in message
news:Oe7ujlbPEHA.3452@TK2MSFTNGP10.phx.gbl...
> Hi,
>
> I am trying to learn video capture and I am doing two pieces of code one
> using DirectShow and the other using vfw, (video for window).
>
> Obviously Direct Show has more function than vfw but I am still not sure
> about compression?
>
> When I use the vfw macro capDlgVideoCompression(...), I get a ugly dialog
> that I do not really need, (I already know the compression).
> So how can I simply set the compression?
>
> And how can the same be achieved in DirectShow? How can I set the audio
and
> video filter, (I am assuming that they are both using the same technique).
>
> There must be a way of doing it 'cause the macro
capDlgVideoCompression(...)
> itself does it without problems, (change the compression that is).
>
> I have had a look at the code in 'DirectShow for digital video and tv' but
> it does not seem to explain how the compression is set.
>
> Many thanks.
>
> Sims
>
>

Relevant Pages

  • Re: Set the default compression filter.
    ... In general anything you can do in VFW you can do in direct show. ... essentially choose the compression by specifiying a filter which may be from ... one of several historic family types (non filter compressors are wrapped). ... > using DirectShow and the other using vfw, (video for window). ...
    (microsoft.public.win32.programmer.directx.video)
  • Set the default compression filter.
    ... I am trying to learn video capture and I am doing two pieces of code one ... Obviously Direct Show has more function than vfw but I am still not sure ... that I do not really need, (I already know the compression). ... And how can the same be achieved in DirectShow? ...
    (microsoft.public.vc.mfc)
  • Set the default compression filter.
    ... I am trying to learn video capture and I am doing two pieces of code one ... Obviously Direct Show has more function than vfw but I am still not sure ... that I do not really need, (I already know the compression). ... And how can the same be achieved in DirectShow? ...
    (microsoft.public.win32.programmer.directx.video)
  • Re: Set the default compression filter.
    ... > vfw, (video for window). ... > know the compression). ... > And how can the same be achieved in DirectShow? ...
    (microsoft.public.vc.mfc)
  • Re: Set the default compression filter.
    ... > compression you will use while recording. ... In DirectShow there 3 types of compressors: ... and, since you refer to VfW, they are all you need. ... To use a specific VCM codec you need its FOURCC identifier. ...
    (microsoft.public.vc.mfc)