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Clip changing after render
Editing music video.
Some of my clips are acting strange.
When they come up in playback (external TV monitor via firewire/camcorder) they flicker with another zoomed in field of the same clip. Thought it might be a render problem so I render and then the content of the clip changes on playback, like it slips one way or the other several seconds. I then double click the deviant clip on the the timeline to reference it in the viewer and the original in/out points appear. Then I select match frame and replace the clip, but then when I move it to another track it slips again.
Then when I have the clip nailed down in the timeline with good playback, the export has the slipped clip instead.
Is is some kind of media referencing issue? Seems like something I missed when teaching myself to edit.
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6 Replies
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Check to make sure your Easy Setup matches your sequence and clip settings in your project. If you are outputting through firewire, you will probably be using DV NTSC as your easy setup
Final Cut Pro > Easy Setup (or ctrl – Q)
NTSC
29.97
DV-NTSCOr some variation of this. But usually strange outputs to external monitors are due to settings not being consistent throughout your project.
Sorry if you already tried all this.
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Great idea. My Easy setup was set to HDV. So I changed that to NTSC and made sure the sequence codec was NTSC. Then render and no luck. The clip still slips.
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Try exporting the clip as a quicktime and when you import and drop it into the sequence it will be rendered and won’t slip.
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Does it look fine on your canvas monitor on your computer display? If it is fine on your computer display and only looks strange on your external monitor, then it is a display problem. If it is affecting both the computer and the external…hmmm…I will keep thinking of solutions…
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When I’ve encountered problems like this (clip plays back fine unless you do something that requires a render then the clip plays back at the wrong point in time) it’s been due to corrupt media. You can try the export/re-import idea that was mentioned above, but if that doesn’t work you should try re-capturing the problem clip.
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Same thing with me, here’s how I solved it:
In my case, not all my footage was slipping when I rendered, just my most recent batch of footage. So it wasn’t a setting within final cut. My guess is the timecode on the original media got corrupted somehow. So I went to the media source files and put them through compressor to reprogram their timecode. I used apple pro res 422 as the format since that was the codec I was working on in my sequence within fcp.
I then reconnected the files manually within the fcp project. The files were still in their current slipped state because that how they’d been edited with the messed up timecode pieces. but this time when I manually slipped them in the edit window and rendered the playback to fully rendered, it stayed put!
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