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How to keep hdv 50i as 50i?
OK, here we go again, I have read a few posts on how AE handles fields but I am none the wiser.
So I will be very happy to just get a simple answer to what I feel is a simple problem.In FCP I have captured material shot as 1080 hdv 25p, and yes I know FCP handles this as 1080 hdv 50i. As I understand it, this is the same thing as 25p, or no?
Now to add some lens blur I pull the 25p (50i) HDV into AE and this is where the confusion starts:
do I leave the fps as 25, set interpet with NO FIELDS and drop into a composition also with 25 fps? Then render out as 1080 HDV 50i?
or:
do I force AE to interpret the 25p at 50fps, set the composition at 50fps and then render out at 1080 HDV 50i?
Would be very grateful to hear how I can input HDV 50i into AE and get it out as HDV50i… or at least that FCP handles the AE-material as 50i like the original?
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2 Replies
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Thanks for clearing up some of the confusion. I probably shouldn’t open up the can of worms “why must 25p be packed in a 5oi wrapper with 2 fields”… but nevertheless when exporting the material out of FCP into a lossless codec, then the question arises:
How can I get full vertical resolution out from this 25p (50i) material? Which progressive, lossless codec DOES AE like?
hiside, ninetto
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Quicktime Animation is super-duper, the render times in AE are not even longer compared to using native HDV as raw material.
But yes, there is still one last question. Since your original (VERY clear, thanks) description that 25p DOES have fields, i.e. is interlaced, but with both fields recorded at the same time… I have to wonder, when do I tell AE to interpret the material as “NO FIELDS”, if in fact HDV progressive material also has fields? This question comes up e.g. when using the QT-Animation material for effects, but rendering out to HDV 50i.
Or am I just beating a very dead horse, let the render presets decide?
thanks and
buona fortuna, ninetto
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