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Re: Fcp X 10.1.4

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Jeremy Garchow
Re: Fcp X 10.1.4
on Dec 3, 2014 at 6:29:21 pm

[James Ewart] "Isn't Pro Res a Quicktime codec. What does it mean when you sayMXF wrapped Pro Res please?"

This is over simplified but:

ProRes is a codec, yes. On a Mac, you can use Quicktime software to encode and decode ProRes codecs in a .mov wrapper. Although, many companies have been encoding ProRes in other software/hardware combos other than Quicktime, for a while.

Quicktime (or really QTKit) was also a rather robust API, separate from Quicktime the application, and is now being supplanted by AVFoundation. QTKit and AVFoundation are Mac only APIs.

MXF is a container. Within it, you can hold audio, video, and metadata in various formats. ProRes is a codec that can be used within the MXF container. Other codecs can be used within the wrappers as well. Codecs and wrappers are usually separate from each other (you can use different codecs in different wrappers, and vice versa). Although some wrappers (like mp4) define a type of codec in the specs of the format.

There's a lot more detail around the web, but here's MXF wiki: https://en.wikipedia.org/wiki/Material_Exchange_Format

QT wiki: https://en.wikipedia.org/wiki/QuickTime


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