-
Best way to use 29.97i in 24p timeline?
A common shitty problem: I have some 29.97i footage I need to use in a 23.98fps project. To be specific, it’s PF24 footage shot with a Canon camera.
In years past, I’d deinterlace the footage in Cinema Tools using reverse telecine before putting it in my timeline. I’ve now upgraded to Mojave so Cinema Tools is now out of the question. So, what’s the best way to use?
I know of two options: convert it in Compressor or having FCPX do it. Any advice or thoughts on this? Having never done this before with either program, any specs to use or things to care about?
-
11 Replies
-
Have you tried simply dropping it in the timeline and editing?
FCPX does a decent job depending on the footage.
-
[Noam Osband] “I have some 29.97i footage I need to use in a 23.98fps project. To be specific, it’s PF24 footage shot with a Canon camera.”
I have had good results adding 29.97i material to a 23.98p project, and in Inspector under “i” tab, pick “Settings”, then enable the Deinterlace check box for that clip.
Also, since you are combining a non-multiple frame rate it is generally smoother if you also pick Rate Conform>Frame Sampling>Optical Flow for that clip. That is under the Inspector video tab. This is slower to render but it avoids motion artifacts.
-
As Jeremy and Joe have noted, FCPX does a pretty good job of this, but I’ve also had a few instances where the cadence isn’t right… missing frames followed by duplicate frames. I also used to use Cinema Tools, and more recently, JES Deinterlacer.
In looking for another method to batch a bunch of PF24 clips, I found that Compressor (which I’ve never used for reverse telecine before) actually has a setting in the Quality section of the inspector:
Still haven’t tried it, but definitely worth having a look at if you have a batch of clips that Final Cut misses the cadence on.
Doug Metz
Dalton Agency
-
Will going through Compressor after the fact be as good quality as doing ClipWrap from the beginning?
-
[Noam Osband] “Will going through Compressor after the fact be as good quality as doing ClipWrap from the beginning?”
Clipwrap usually rewraps the footage, so the frame rate and interlacing output will the same as the input.
Compressor will modify the footage in taking the input and processing to another output format.
Jeremy
-
Meaning ClipWrap wont give me the full quality 23.97 I want?
-
Clipwrap will take the footage and rewrap it.
So you give it 29.97i AVCHD, it will rewrap that (without touching it, jsut a new container) to 29.97i h264. Basically moving the data from one bucket to another. There is no loss of quality, it will be the same quality as the inout format.
It can also transcode, to ProRes or other codec, but the format will stay the same, 29.97i or whatever the footage the format is.
Compressor will take the input format, and you can process it to another codec AND frame rate (or size). So if you need to remove pulldown Compressor can take the 29.97i telecine footage, remove the pulldown and leave 23.976 footage in whatever codec you want.
Make sense? Either wya is fine, it’s just depends on what you want in the output footage.
-
Something else to consider as well… if you edit 29.97 clips into your 23.976 timeline, you don’t get the option to remove pulldown from export (your project is already 24p).
Best option is to remove the pulldown from those clips before you put anything on the timeline.
Doug Metz
Dalton Agency
-
It seems the best way to do this and maintain full rez is export, the footage will come out as 60i and then use Compressor and Reverse Telecine. Right?
-
[Noam Osband] “It seems the best way to do this and maintain full rez is export, the footage will come out as 60i and then use Compressor and Reverse Telecine. Right?
“No reason to export, just use compressor on the footage that’s already on your harddrive.
Reply to this Discussion! Login or Sign Up