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Output interlacing issue
Hi all,
weird thing happening to me. I’m working with footage from multiple sources (all ripped from DVD). They were all ripped into dv-pal interlaced format. That said, they view as deinterlaced progressive within my dv-pal anamorphic sequence, and I like the way it looks deinterlaced. However, whenever I output a QuickTime I’m getting interlaced video – and, on occasion, I’m getting a flash frame in between edits because the interlaced QuickTime output is giving me a half frame or whatever from an edit made within the source material. I’m not getting a flash frame within final cut because it’s playing as progressive. What I want to do is export an uncompressed movie deinterlaced progressive as it appears in final cut. If I select the deinterlace option in QuickTime Conversion, I still get interlaced video. The ONLY way I’ve been able to achieve deinterlaced video is by taking final cuts output and reoutputted it using MPEG Streamclip’s deinterlace option. I’m finding it hard to believe I can output from final cut what I’m seeing in the sequence.
Can anyone help?
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3 Replies
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FCP only shows you one field at a time. That’s why you can’t see what the QT movie reveals. If you set your canvas in FCP to be 100%, you’ll see the problems there…
Jerry
Apple Certified Trainer, Producer, Writer, Director Editor, Gun for Hire and other things. I ski. My Blog: https://blogs.creativecow.net/Jerry-Hofmann
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Why the second thread on the same topic at the same time? There is no need to interlace your threads
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And based on what Jerry says, if you really want the resulting output to look that way (with only one field out of two represented), nest your sequence and throw a “Deinterlace” filter on it (in Video Filters > Video > Deinterlace). Set to whichever field is dominant for your sequence (usually lower for SD and upper for HD) and then output. Basically you will be throwing away half of the resolution of your sequence, but you’ll get a Quicktime that looks pretty close to what FCP is showing you in the sequence viewer.
For a much better deinterlace, you can use Compressor and its Optical Flow deinterlacer. Export a same-as-source Quicktime from your original sequence (yes, this will be interlaced). Drag that into Compressor and create a preset with your desired codec and frame size, and in the Frame Controls tab, choose Output Fields = Progressive and Deinterlace = Best. Compressor will choose the good parts of both fields and output you a progressive frame Quicktime.
I also recommend JES Deinterlacer for these kinds of tasks.
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