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AppleProResHQ export taking hours
My footage in is Apple ProResHQ, 24fps, 1920×1080
My sequence is in Apple ProResHQ, 24fps, 1920×1080, 86 minutes long.
All my effects are rendered.
Export Quicktime indicates a 7 hour export.
Export Quicktime Conversion says 3 hours.(these export times seem to be correct)
Both seem very long considering everything is rendered.
MacPro 3,1 (4 core)
10.6.7
FCP 7.0.1
12 gigs memory
all media is on e-sata drives connected via Port Multiplier, JBOD. Normal transfer rates using finder copy and Disk Activity are 80mb-110mb sec.Any ideas?
Doug -
2 Replies
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Well QT conversion is going to use the render files as the source, and recompress them as whatever you’ve chosen. H264 for example. 3 hours sounds normal if you’re going to the same frame size. If you were exporting something to a web size like 640×360 as a single pass encode, it’s a little longer than real time. Maybe 2 hours. Matrox systems with MAX will speed up that 3 hour export to less than Real Time.
Export QT can be either. If you’re just looking to make a master file, export QT, choose Current Settings, Self Contained and it will essentially be a copy of the rendered/referenced frames into a self contained file. That should maybe take 15 minutes. It does have to render the audio into a single stereo track so that takes a little time, as does the actual file copying.
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I will test this out. The QT Extensions was doing it in the same format, ProResHQ and it was taking 2-3 hours while just Export to QT was taking 7. Which seems crazy.
So I went back an checked the QT export and I had “Re-compress all Frames” checked. Duh! Unchecking that did the trick. 24 minutes now!!
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