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Pixelated frames occurring randomly in clips

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Carl O'Loughlin
Pixelated frames occurring randomly in clips
on Oct 15, 2017 at 3:46:59 am

Many thanks for the daily posts, a real resource for a newbe to fcp 10.3

I'm having issues pixelated or distorted frames (sample attached), appearing in both the viewer and any output. Sometimes 3 or 4 or these frames per clip but usually just the one.
Would anyone have any ideas how to stop this happening? I've checked all my source files and they are fine.

Many thanks - Carl


screenshot2017-10-15at1.37.57pm.png


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Noah Kadner
Re: Pixelated frames occurring randomly in clips
on Oct 15, 2017 at 7:43:08 pm

That looks like a corrupt clip. Try transcoding entirely to a ProRes version and see if the blocking persists.

Noah

FCPWORKS - FCPX Workflow
FCP Exchange - FCPX Workshops
XinTwo - FCPX Training


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Carl O'Loughlin
Re: Pixelated frames occurring randomly in clips
on Oct 16, 2017 at 8:34:01 pm

Hi Noah and many thanks for your take on this issue
I'm not totally familiar with the terminology in
your reply so perhaps you could clarify?
My process was to extract the clips from an
AVCHD file and convert them to .mov clip with
Wondershare converter, trimming each clip as I went.
I then imported into fcp 10.3. Up until the import
all clips were fine.
The "blocking" became evident in the timeline and viewer
during the editing process and persisted whatever
"sharing" format I used.
So If you could explain "transcoding" , what
stage it should be done and how to achieve it,
I'd be most grateful.
Cheers


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Noah Kadner
Re: Pixelated frames occurring randomly in clips
on Oct 17, 2017 at 3:26:40 am

Yeah I would guess Wondershare added those glitches. Where did the files come from originally?

Noah

FCPWORKS - FCPX Workflow
FCP Exchange - FCPX Workshops
XinTwo - FCPX Training


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Carl O'Loughlin
Re: Pixelated frames occurring randomly in clips
on Oct 23, 2017 at 11:43:00 pm

Files originally from Panasonic HC-MDH2, which produces AVCHD files.
Re Wondershare, the .mov filed resulting from a pass thru Wondershare Converter played without issue in QuickTime. It was only after importing into fcp that the corrupted frames appeared.


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