Why cropped footage becomes interlaced in AE5?

[Radim Schreiber]

Hi,
After Effect seems to convert my footage to interlace from progressive without me trying to do so. I make a vertical crop from a RED footage in RedCine-X as Pro-Res444. I load the file in AfterEffects CS5, rotate the footage 90 degrees, and when I export it as Blue Ray MPEG2 it becomes interlaced. I don't see any place where I have control over this.

Thanks for your input and ideas,
Radim

 

[Radim Schreiber]

This happens only for footage shot 30P (29.97), 24p renders fine progressive.

 

[Maciej Roszkowski]

Hi,
After Effect seems to convert my footage to interlace from progressive without me trying to do so. I make a vertical crop from a RED footage in RedCine-X as Pro-Res444. I load the file in AfterEffects CS5, rotate the footage 90 degrees, and when I export it as Blue Ray MPEG2 it becomes interlaced. I don't see any place where I have control over this.

Thanks for your input and ideas,
Radim

Could you try exporting to a different format, back out to a ProRes intermediate to see whether it's the MPEG2 encoder that is deciding to add the interlacing.
You could try encoding that footage through media encoder if it works.

 

[Radim Schreiber]

It seems that I am getting interlaced output from AE5 when rotating the footage no matter what. I tried Animation, ProRes4444. I tried Media Encoder also resulting with interlaced footage.

 

[shashbugu]

first remove interlacing from the 30p in AE or magic bullet, or convert from 30p to 24P

 

[Kujtim Ereqi]

Have you checked the interpret footage properties, to see if the footage has been imported as interlaced in the first place?

 

[Radim Schreiber]

shashbugu> thanks, I thought about that, it will add another step/export to our workflow, but would make it possible. How do you do it in AE?

Kujtim> yes, it is set to progressive. Separate files = Off. Same thing in export MPEG properties in Render Queue.

Same problem in Premiere. It forces interlace.