Codec for old Matrox MJpeg hardware compression?
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Codec for old Matrox MJpeg hardware compression?

 
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eb7g
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Posted: Wed Nov 10, 2004 1:22 am    Post subject: Codec for old Matrox MJpeg hardware compression? Reply with quote

Hi there,

I had a Matrox Millenium 2 video capture card from wayyy back in the
90's. This was a card that captured and compressed video into it's MJpeg
coded, and it was hardware based, as opposed to software, so the card
was needed to view or use the files.

I am told that there is now a software codec available that will enable
to use my (old) clips as normal. Is this so? Can someone help point me
in the right direction to get this?

Thanks!

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WEBPA
Guest





Posted: Wed Nov 10, 2004 2:22 am    Post subject: Re: Codec for old Matrox MJpeg hardware compression? Reply with quote

Quote:
Hi there,

I had a Matrox Millenium 2 video capture card from wayyy back in the
90's. This was a card that captured and compressed video into it's MJpeg
coded, and it was hardware based,

See:
www.morgan-multimedia.com

I've used their MJPEG codec on (hardware-encoded) Miro DC20 mjpeg files. Should
work with yours as well.


webpa
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Brian Bailey
Guest





Posted: Wed Nov 10, 2004 6:00 am    Post subject: Re: Codec for old Matrox MJpeg hardware compression? Reply with quote

Several years ago I had an old Rainbow Runner card with the Matrox hardware
MJPEG and when I replaced it, the PICVideo software codec I installed read
my old files fine. And you can try it out free and see if it works for you
before you buy it.
http://www.pegasusimaging.com/picvideomjpeg.htm
--- Brian


"eb7g" <eb7g@shaw.caNOSPAM> wrote in message
news:UF9kd.166198$Pl.66659@pd7tw1no...
Quote:
Hi there,

I had a Matrox Millenium 2 video capture card from wayyy back in the
90's. This was a card that captured and compressed video into it's MJpeg
coded, and it was hardware based, as opposed to software, so the card
was needed to view or use the files.

I am told that there is now a software codec available that will enable
to use my (old) clips as normal. Is this so? Can someone help point me
in the right direction to get this?

Thanks!
Back to top
jojax14
Guest





Posted: Wed Nov 10, 2004 12:03 pm    Post subject: Re: Codec for old Matrox MJpeg hardware compression? Reply with quote

If memory serves me correctly, VirtualDub will decode MJPEG even when
there is no codec present, although you may have to mess around with
the FourCC codes. You could use this to reencode to another format.

www.virtualdub.org

jj

eb7g <eb7g@shaw.caNOSPAM> wrote in message news:<UF9kd.166198$Pl.66659@pd7tw1no>...
Quote:
Hi there,

I had a Matrox Millenium 2 video capture card from wayyy back in the
90's. This was a card that captured and compressed video into it's MJpeg
coded, and it was hardware based, as opposed to software, so the card
was needed to view or use the files.

I am told that there is now a software codec available that will enable
to use my (old) clips as normal. Is this so? Can someone help point me
in the right direction to get this?

Thanks!
Back to top
Mark
Guest





Posted: Sat Nov 13, 2004 6:03 pm    Post subject: Re: Codec for old Matrox MJpeg hardware compression? Reply with quote

jojax14@yahoo.com.au (jojax14) wrote in message news:<4c3621f0.0411100318.46cf3b5b@posting.google.com>...
Quote:
If memory serves me correctly, VirtualDub will decode MJPEG even when
there is no codec present, although you may have to mess around with
the FourCC codes. You could use this to reencode to another format.

I never found any codec which could handle many of the MJPEG files I
had lying around, apparently because they were cropped at the edges
(trying to save disk space by removing the pixels you'd never see on a
TV) so the width wasn't a multiple of 16... I could read some other
MJPEG files where the width was a multiple of 16, but the cropped ones
all came out skewed horizotnally.

Mark
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