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How to fast import ProRes 422

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Sum Choi
How to fast import ProRes 422
on Sep 15, 2012 at 6:52:08 pm

I have a file that's encoded with ProRes 422. I can't get it to fast import into Avid. My settings are already YCbCr. I don't know if it's because of the dimensions. It's actually 1280x544.


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Michael Phillips
Re: How to fast import ProRes 422
on Sep 15, 2012 at 8:42:40 pm

It is not a fast import because the source clip size is not the same as your project size of either 1280x720 or 1920 x 1080. The import is having to do a resize, pad, scale, etc.

Michael


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Sum Choi
Re: How to fast import ProRes 422
on Sep 16, 2012 at 2:10:17 am

Is there a way I can encode it correctly in MPEG Streamclip?
If I convert to 1280x720 to 1920x1080 in MPEG Streamclip, the dimensions of the video get crunched from the side.


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Michael Phillips
Re: How to fast import ProRes 422
on Sep 16, 2012 at 2:22:25 am

You might have to play with the crop and scale in order to get a letterboxed 16:9 clip at either 1280x720 or 1920x1080. Where are these files coming from with that X/Y pixel count?

Michael


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Pat Horridge
Re: How to fast import ProRes 422
on Sep 16, 2012 at 9:07:56 am

AMA the file and then transcode. Import is a legacy method and doesn't use all the cup cores. AMA then transcode can be much much faster and you can subclip before you transcode.

Pat Horridge
Technical Director, Trainer, Avid Certified Instructor
VET
Production Editing Digital Media Design DVD
T +44 (0)20 7505 4701 | F +44 (0)20 7505 4800 | E pat@vet.co.uk |
http://www.vet.co.uk | Lux Building 2-4 Hoxton Square London N1 6US


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Michael Phillips
Re: How to fast import ProRes 422
on Sep 16, 2012 at 12:03:54 pm

Just be aware that a fast import of a ProRes file is done by import, not AMA. But in the end, AMA may be faster than trying to figure out hw to preserve original aspect ratio within a 16:9 raster.

Michael


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Sum Choi
Re: How to fast import ProRes 422
on Sep 19, 2012 at 10:15:36 pm

I did the AMA. How do I transcode now?


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Michael Phillips
Re: How to fast import ProRes 422
on Sep 19, 2012 at 10:38:20 pm

Well if you feel you have the performance to continue editing via AMA, give it a shot. If you want it to be Avid managed ProRes or DNxHD, the process is the same; highlight all the clips in the bin, go to clip and select consolidate/transcode. Once the new window opens, select transcode, target drive, and codec. Then OK.

Michael


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Sum Choi
Re: How to fast import ProRes 422
on Sep 20, 2012 at 2:15:00 am

Thanks for the tips. After I transcoded and exported, the dimensions are changed to 1920x1080. Is it possible to keep to the native dimensions?


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Pat Horridge
Re: How to fast import ProRes 422
on Sep 20, 2012 at 6:17:37 am

No your original file was a non TV format size.
FCP can work st any raster size. MC can't it'd limited to broadcast resolutions.
So if you have a non standard (Non TV) raster size then MCs not the best tool.

Pat Horridge
Technical Director, Trainer, Avid Certified Instructor
VET
Production Editing Digital Media Design DVD
T +44 (0)20 7505 4701 | F +44 (0)20 7505 4800 | E pat@vet.co.uk |
http://www.vet.co.uk | Lux Building 2-4 Hoxton Square London N1 6US


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