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5.1.2 10-bit color correct won’t “stick”
I’ve seen a similar post on this but thought I’d contribute my experience anyway.
Working in 10-bit UC SD via Kona 2 codec. Made color corrections to legalize chroma, but when it rendered, the final result would partially revert to its uncorrected state leaving patches of uncorrected blobs.
Tried changing the sequence render settings to RBG, then high-precision YUV, but the only one that worked was 8-bit Uncompressed.
Anyone know if this is an AJA driver, Quicktime or FCP 5.1.2 problem? Using all latest OS, QT, AJA driver and FCP updates. Also working on G5 dp PPC.
Steve
double wide post -
6 Replies
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Steve,
Are you saying that you dropped the Broadcast Safe filter on your footage? If so, that seems to be broken at the moment in 5.1.2 according to some reports. BTW, thats different from “making color corrections to legalize chroma,” which you actually need to do. Use the 3-way color corrector.
DRW
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Broadcast Safe is broken in many versions. I noticed it in 5.0.4. Hasn’t been fixed yet…
Shane
FCP Preferences set to UNCONTROLLED ADVICE
Littlefrog Post
http://www.lfhd.net -
I only use Broadcast Safe for luma values [7.5 – 100 IRE] and it works OK for that. The CC I referred to was for specific 3-way color corrections to bring reds, orange, magenta into gamut using Limit Value.
Steve
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The BS filter works for you in those cases? Are you sure? Because when I apply it, then render, the values jump right back up. I didn’t notice this with Apple’s built in scopes in FCP 5.0.4 (which rarely went above 100IRE anyway), but when I looked at the footage on real scopes, and now the new and improved scopes in 5.1.2, I see the jump.
Broadcast Safe doesn’t work for me in any instance.
Shane
FCP Preferences set to UNCONTROLLED ADVICE
Littlefrog Post
http://www.lfhd.net -
I have stopped using broadcast safe with HD as indeed after render levels do exceed the 100 cap. I do use it when I am dropping it on an SD sequence where it doesn’t need to render. It works then but rendering causes the error.
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You’re working in 10-bit or 8-bit? 10-bit definitely does not work for me. 8-bit did. I’ll check my BS separately, but the 3-way worked fine in 8-bit.
Steve
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