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Which codec from MPEG Streamclip?

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zeke meginsky
Which codec from MPEG Streamclip?
on Sep 14, 2011 at 12:08:01 pm

I've been taking footage from a DVD using MPEG Streamclip. A long time ago, I used a DV codec to take it, but I've been told I lost a lot of quality that way.

So now I set it on Quicktime and use the default Apple JPEG Motion one set on the best quality. I know that takes a lot of space but that's okay. Is this a good one to retain the quality? I only have access to these DVDs for a short time.


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Rafael Amador
Re: Which codec from MPEG Streamclip?
on Sep 14, 2011 at 12:18:33 pm

[zeke meginsky] "I've been taking footage from a DVD using MPEG Streamclip. A long time ago, I used a DV codec "
Use Prores, but, if you can afford the file size, 8b Uncompressed better.
rafael

http://www.nagavideo.com


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zeke meginsky
Re: Which codec from MPEG Streamclip?
on Sep 14, 2011 at 12:46:05 pm

Is this under the Quicktime setting ?


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Jeremy Garchow
Re: Which codec from MPEG Streamclip?
on Sep 14, 2011 at 12:53:57 pm

I'd recommend dv50 or ProRes.

Also, you can simply backup the contents of the DVD to hard disk. That way you can try what you want later without having to lose the disks.


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zeke meginsky
Re: Which codec from MPEG Streamclip?
on Sep 14, 2011 at 12:58:33 pm

Oh, I don't know how to do that. Just copy the folders or whatever, and then they should open using MPEG Streamclip?


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Jeremy Garchow
Re: Which codec from MPEG Streamclip?
on Sep 14, 2011 at 1:46:36 pm

Make a folder that is the exact name of the DVD in the finder, then simply copy the VIDEO and AUDIO_TS folders.

For dv50, it is called DVCPro 50, or sometimes DV50. If you see something with both dv and 50, that's what you want.


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zeke meginsky
Re: Which codec from MPEG Streamclip?
on Sep 14, 2011 at 1:01:53 pm

Also, everyone has said I should do DV50 instead of DV at the very least. How do I choose this, where is this option? Do they mean DVC50? I think that's what it said.

Before, I was exporting it as a "DV stream" and the default setting was DV25. There's two options under that.. one of them is PRO (I think) and the other is 50. Or they might both say Pro. Then I could also export as a Quicktime format and look for DV50 there.. god, too many options..


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Steve Eisen
Re: Which codec from MPEG Streamclip?
on Sep 14, 2011 at 1:47:15 pm

How do I do this? How do I do that? Play with the program's settings and you will realize how the program operates.

You learn a lot quicker by experimenting.

Steve Eisen
Eisen Video Productions
Vice President
Chicago Final Cut Pro Users Group


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Chris Tompkins
Re: Which codec from MPEG Streamclip?
on Sep 14, 2011 at 1:59:06 pm

Anything above dv50 is overkill coming from a DVD.

Here are your settings:






Save a preset.

Chris Tompkins
Video Atlanta LLC


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zeke meginsky
Re: Which codec from MPEG Streamclip?
on Sep 14, 2011 at 2:14:12 pm

Thanks so much. Why frame blending? I never checked that before..


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Rafael Amador
Re: Which codec from MPEG Streamclip?
on Sep 14, 2011 at 3:19:14 pm

A 8b/420 Uncompressed codec would be ideal, but, as long as I know, its doesn't exist.
8b Unc would be the only codec that doesn't introduce recompression when converting to QT..
DV50 does it. DV25, more.
Avoiding one recompression round is always good.
8b SD files are not that big by today standards.
rafael

http://www.nagavideo.com


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Daniel Sametz
Re: Which codec from MPEG Streamclip?
on Sep 14, 2011 at 3:44:47 pm

Use Prores LT. I have use flootage from DVDs into it an looks great and it,s smaller than DV.
I have used Cinematize.


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John Pale
Re: Which codec from MPEG Streamclip?
on Sep 14, 2011 at 4:26:24 pm

I'm with Rafael on this. 8 Bit uncompressed or Pro Res if you have the storage space. Not adding more compression to something already heavily compressed is best. Pro Res is compressed, but at least it's less lossy than older codecs.

However, if this is being mastered to DV or DVCAM tape, there is no point to using anything other than DV..as the deck will recompressed everything to the DV codec when you record.


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Chris Tompkins
Re: Which codec from MPEG Streamclip?
on Sep 14, 2011 at 4:30:26 pm

DVD's use MPEG2 with 4:2:0 color space
DVCPRO50 is 4:2:2

You can't add what is not there.

Chris Tompkins
Video Atlanta LLC


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John Pale
Re: Which codec from MPEG Streamclip?
on Sep 14, 2011 at 5:02:24 pm

True about color space, but dv 50 its still compressed more than 2:1.


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Rafael Amador
Re: Which codec from MPEG Streamclip?
on Sep 14, 2011 at 5:16:41 pm

[Chris Tompkins] "DVD's use MPEG2 with 4:2:0 color space
DVCPRO50 is 4:2:2

You can't add what is not there."

Hi Chris,
Is not about adding, but about not resting.

Yes, DVDs MPG2 are 420, same than DV, but the downsampling pattern are different (I think one is call Lateral and the other Interstitial or so), so when going to QT I think is a good idea going to 422.
Going 8b Unc, would be the same than going DVCPro50, but skipping the final DCT compression of the DV codecs.
If choosing a compressed codec, Prores (No LT)
rafael

http://www.nagavideo.com


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Chris Tompkins
Re: Which codec from MPEG Streamclip?
on Sep 14, 2011 at 5:57:26 pm

Fair enough, makes sense to me.

Chris Tompkins
Video Atlanta LLC


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