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Dv Codec

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cd090580
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Joined: 03 Mar 2003
Location: Belgium

Post Posted: May 15, 2008 09:26 Posts Comp View users profile Send private message Reply with quote

Hi,

I've just read the FAQ, and there are several codecs available.

Does all have the same quality when uncompressing dv video ?

So which one is the best to use in avisynth

* DirectShowSource (works without any codec but slow when seek in video)
* ffdshow
* Canopus DV Codec
* Mainconcept DV Codec
* Panasonic DV Codec

Thanks
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filmboss80
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Joined: 31 Jan 2007
Location: United States

Post Posted: May 15, 2008 09:40 Posts Comp View users profile Send private message Reply with quote

You can also add the Cedocida DV codec to your list. When is the last time someone did a comparison? Force of habit has stuck me with the Panasonic DV Codec, but I'm not married to it. Nevertheless, I find it to be quite reliable, and it seems to work well with a lot of video software. It will be interesting to see if others in this forum have made their own comparisons.

2Bdecided
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Joined: 21 Nov 2007
Location: United Kingdom

Post Posted: May 15, 2008 10:55 Posts Comp View users profile Send private message Reply with quote

IIRC there's a comparison in the doom9 DV forum.

filmboss80
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Joined: 31 Jan 2007
Location: United States

Post Posted: May 15, 2008 11:57 Posts Comp View users profile Send private message Reply with quote

Thanks, 2Bdecided. That link is: http://forum.doom9.org/showthread.php?t=33526 (the first of several pages.)

Edit: Oh, and there's also an updated thread that includes cedocida: http://forum.doom9.org/showthread.php?t=98847


cd090580
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Joined: 03 Mar 2003
Location: Belgium

Post Posted: May 15, 2008 12:28 Posts Comp View users profile Send private message Reply with quote

Theseguides are good. but they are very technic and I don't understand.

how can I see a bad chroma upsampling ?????
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jagabo
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Joined: 09 Dec 2005
Location: none

Post Posted: May 15, 2008 13:10 Posts Comp View users profile Send private message Reply with quote

Panasonic DV codec is buggy and always converts to RGB. This loses the darkest and lightest shades within the DV data. The conversion is a waste of CPU cycles if you don't need/want it (when feeding CCE for example).

Cedocida is my favorite because it gives you a lot of control over the colorspace output and colorspace conversions.

cd090580 wrote:
how can I see a bad chroma upsampling ?????

Enlarged from the earlier link:


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