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what “bug” in 10-bit?
Colorist Mike Nichols mentions a FCP “bug” in a Studio Daily video on Color.
To paraphrase, the bug “doesn’t allow video to be rendered correctly in 10-bit or high precision YUV.”
Could someone please explain the relevance of this problem? I don’t worry about YUV, but isn’t ProRes 422 10-bit? If this is for real, is this bug present in FCP6?
— Bob C
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3 Replies
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[Bob Cole] “is this bug present in FCP6? “
Great question. The bug he is probably referring to is that the footage gets processed in 10 bit or higher, but then final step is then knocked down to 8 bit, and then put it in a 10 bit wrapper so to speak. So, technically it gets rendered in a float color space (32 bit) but then gets knocked down and rounded at the very end to 8 bit, even though the codec is 10 bit. It’s really confusing.
Jeremy
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Yes confusing. For what Graeme Nattress had posted few times in this forum, the problem is not in the 10b code it self, but in the 32b rendering.
Cheers,
Rafael -
[Bob Cole] “To paraphrase, the bug “doesn’t allow video to be rendered correctly in 10-bit or high precision YUV.”Could someone please explain the relevance of this problem? I don’t worry about YUV”
if you are working in video you had better be worried about the YUV color space- thats all that video uses.
if you never ran into it – you do not need to worry about it, but you can search the FCP forum for the thread about 3 months ago.
gary adcock
Studio37
HD & Film Consultation
Post and Production Workflows
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