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A problem that defies logic
Ok, I’ve got a huge problem in FCP and need some expert advice:
A little background: we’ve been editing a short (around 25 minutes) on FCP 5 for the past three months. we recently bought some new Macpro towers and so had to upgrade FCP. Ever since then we have been experiencing some weird stuff, but the biggest problem is the following:
When we shot the film (at night) in one scene, there was a window in the background. A number of cars drove by while we shot and the director didn’t seem to care then, but now wants those passing lights gone. Well, the first pass was to use a garbage matte, along with a still on the shot without the lights and cover up the passes. good try but not perfect, we could still see some remaining stuff. so i took another pass at the problem and also used a garbage matte/still combo and created a better matte that we are all happy with.
Now this is where it gets weird. i have since erased the original mattes and exported the footage. the quicktime export looks great, but when i convert that to an m2v for dvd all of the sudden, the old mattes are in the shot and we can see the car.
so, can anyone explain this or give us some advice?
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12 Replies
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Have you tried re-rendering that section of the timeline and then re-export? Where did you make the mattes, in FCP? If not perhaps you have an aspect ratio problem.
Jeremy
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I did make the mattes in FCP, and have rerendered, and everything.
the part i don’t get is why would the quicktime export be fine and the m2v be not so fine?
the aspect ration thing makes sense, but????
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[Otistet] “I did make the mattes in FCP, and have rerendered, and everything.
the part i don’t get is why would the quicktime export be fine and the m2v be not so fine?”purge your render files and do not use a ref movie for the DVD output,
Make a new self contained QT file. it sounds as if there is a carry over of the renders in ref file.gary adcock
Studio37
HD & Film Consultation
Post and Production Workflows -
Do you have everything fully rendered before you export? Go into your sequence > render all and render selection menus and make sure everything is checked, including the ‘full’ option. Check all those boxes and render, then export. You are exporting a reference movie and then bringing that to compressor, no?
Jeremy
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I exported the quicktime movie (which was flawless), created a new project file, and imported the quicktime export into that new file. then using compressor, i exported to m2v at the highest quality.
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Why bring back into FCP when you have exported a quicktime? Bring that flawless quicktime right into Compressor (and don’t use the export to compressor command from FCP) and encode to m2v there.
Jeremy
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[Otistet] “I exported the quicktime movie (which was flawless), created a new project file, and imported the quicktime export into that new file. then using compressor, i exported to m2v at the highest quality.”
if you did not bother to rename ” Seq 1″ in the new project it is sensing other render files incorrectly, because it is only looking for the naming structure on the render files.
gary adcock
Studio37
HD & Film Consultation
Post and Production Workflows -
Ok,
I exported another QT and it was great, no car. I then brought that straight into compressor. I put the settings on “High Quality: 90 min” blah blah. In compressor, i previewed the movie and i can see the car drive by.
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Is this Flawless export “Self-Contained”?
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Okay, I’m with Gary on this. It’s time to delete your render files. Go into your capture scratch folders and delete all the video and audio render files for your project. Then re-render everything, export a reference, then open compressor and do your compression.
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