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quicktime info says 1080/29.97p footage is 29.99fps
We captured a fair amount of HDCam 1080/29.97psf footage into FCP without a problem. Our capture setting is Blackmagic 10 bit 1080/29.97i. Per Blackmagic, that is the setting one specifies for interlaced or progressive footage. I opened a few of the clips in FCP and they seem to play down okay, but just to check them out I opened them in quicktime. While the FCP browser lists the FPS as 29.97, quicktime’s info window says 29.99. The discrepancy makes me nervous. Anyone come across this before? Is this quicktime’s way of saying 29.97p? The footage is going to be passed onto cg/effects people and then comped back into a sequence, so there is a potential for timing/sync errors and this seems troubling.
Thanks,
Dan
Powermac Dual 2Ghz
OS 10.3.8
Final Cut 4.5
Blackmagic Decklink HD Pro Dual Link, v.4.8 -
2 Replies
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Hey Dan,
I recently exported a Quicktime movie with QT conversion from a 29.97 timeline, and I was positive about all my settings, and that movie info from QT read 10 fps! That very same movie went into After Effects and was exported as a new movie from a 29.97 project and that movie info from QT read 30 fps!
Both movies are doing there respective jobs, the second movie is happily playing in another 29.97 FCP sequence. So if it makes you feel less nervous, I’ve seen many dicrepancies like this in QT info. Another one is some mpegs for DVDSP read 640×480 and I know darn well they are 720×480. Go figure.
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hey,
ive had this problem recently too.
i was recieving hires animated QT movies that were meant to be 25fps (PAL). QT read each one differently. Sometimes with weird frame rates like 13.6 or 10. When i looked at the properties of the files in FCP, it read that they were all 25fps.
all the files looked fine and played back ok.
what’s the story with QT? this IS a worry when you are trying to work to specs.
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