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> Posted by: Robin S. Kurz
> Yes, and FCP will in fact (without any warning or note to the fact)
> slap the field switch filter on to an upper-field clip the moment you
> place it into a sequence set to LOWER.
This isn't entirely unexpected, but yes, FCP doesn't give any special
indication. From what I can tell, as you said, FCP adds a field shift
filter, whenever a clip with the mismatched field order for the
timeline format is placed on the timeline. This is based on the field
order identified for the clip in the browser. ( BTW, this is supposed
to be called "field order", not "field dominance". Apple consistently
labels it incorrectly.
When you have an SD clip on an HD timeline, a field order change takes
place. Where there seems to be a problem is when the apps incorrectly
identify the field order as the opposite condition of what it should
be. For example, I'm currently dealing with an issue, where Compressor
3.5 randomly seems to guess the wrong field order. If you apply a
Compressor preset without correcting the error, you get a converted
clip with swapped fields. I've now seen this with various stock
footage clips that typically use Photo-JPEG or Motion-JPEG codecs. I'd
been converting them to ProRes in Compressor and started to see
swapped fields. Seems to be a Compressor 3.5 error, as conversion
within FCP7 was done correctly.
I don't know whether FCP7 is actually reading the field order or
simply setting the value according to what would be proper for the
format anyway. In which case, it won't identify clips with swapped
fields. Not sure on that one.
- Oliver
http://groups.yahoo.com/group/FinalCutPro-L
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