low quality pro res for offline editing...

C

craigglaspell

Active member
I hear this term 'off line editing' brought up in a few tutorials. I will assume they mean using a lower quality prores file (like the new lower quality one) and use when working on a laptop or something?

So lets say I transcode to the lowest quality prores on laptop, assemble and edit there, then once I can get on a desktop with horsepower do you re-transcode the clips in higher quality and start again??
 
it used to make sense in the past when dealing with film, since the digitized files were more than what a computer could handle back then, and it used to take more time to digitize the footage, idiot old timers that know nothing and are just following rules blindly keep the same methodology when dealing with anything. so you get proxies and telecine and all manners of crap. the idea is if you have the same file as a proxy you can use that to do the editing then tell the program to replace the proxy files with the original files or to create the final film from the original. in most programs it's supposed to be an automated process.
 
You're on track:

Let's assume your footage is 1080/24p ...

You can initially ingest your footage using the Proxy version of ProRes, which has the lowest data rate requirements. Set the FCP sequence Quicktime Video settings "Compressor" to ProRes Proxy as well. My editing Frame Size (aspect ratio) is 720p. Of course your camera settings will affect your available options in post.

When you finish your edit, run Log and Transfer once again and re-capture your footage using ProRes 422. I suggest using a clear naming convention that will clearly display different versions of the same clips in your Bin. Something like Clip-1(proxy) ... Clip-1(422) ... etc.

From here there a few things that you can do. You can dupe the sequence and alter it's settings ... preferably in this example to 1080p (or the clip's native res) and ProRes 422. Lastly select the timeline sequence clips and reconnect to the higher quality versions of the edited clips.

That's about it ...

-paul.
 
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