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Deinterlacing issue or bug in 6.0.2?
The short version is this:
I have an NTSC 30i clip of video containing 3:2 pulldown from film. It has a 30i timecode window burn. I printed to video in 6.0.2. The resulting recording was deinterlaced, 30p. Instead of mixed field film frames, I got duplicate film frames — instead of AA AB BB CC CD DD, I got AA AA BB CC CC DD. Remember, the clip is 30i, so Final Cut has no 24p original here to add any pulldown pattern to. Very weird, right?
I thought Blackmagic was doing something weird, so I took the clip to another Mac and printed to video via firewire to a DV deck. Again, the resulting recording was deinterlaced, 30p. (The source clip is fine, 30i — I can see the fields here, fully 30i with 3:2 pulldown imagery, that is not the problem, okay.)
Then I thought there was something hiding in the headers of the clip, forcing Final Cut to do this unhelpful wackiness, so I created a .dv stream. No luck, same weirdness.
Then I tried printing to tape in 5.1.4. This worked. The resulting recording was identical to the original 30i clip, as it should be. How weird is that? Two installs of FCP 6.0.2. Am I missing something here?
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3 Replies
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What are the Field Dominance settings of your clip in the sequence and the sequence itself? Also what codec is the clip using?
Martin
Digital Heaven, London UK
Unique plug-ins and tools for Apple Pro Apps
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Avid2FCP
For Avid editors learning FCP -
Hi, thank you for responding! I double-checked just now. The following all have the same settings, which are NTSC DV, 720×480, 29.97, lower field:
– The clip in the sequence
– The sequence
– The clip which had been exported from the sequenceThese are all correct it seems. Any output of any of the above, from 6.0.2 (on two Macs) results in a single-field playout to tape (I figured out this morning that it was single field only, hence the 30P — my tired eyes last night saw it as a full resolution deinterlaced frame! Now it makes sense. But notwithstanding….) 5.1.4 has no trouble playing any of the above sources, either from sequence, or from the exported clip from the bin.
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“THE LOST SKELETON OF CADAVRA” –
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Hmm weird. Sorry I don’t know then. I think there were some changes to how interlacing is handled in v6 but not for the situation you’re in.
Martin
Digital Heaven, London UK
Unique plug-ins and tools for Apple Pro Apps
———-
Avid2FCP
For Avid editors learning FCP
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