Re. roundtripping:
I have tested the redcolor/redgamma combo - output from REDCine-X as
dpx, into AfterFX, out as 16-bit TIFF sequence, and into Avid. When
compared with an AMA version of the same RED clip in Avid, it is
perceptually very, very close. I see a very tiny bit of lightening,
very similiar to what I see if I transcode that AMA clip into 1:1 10-bit
RGB Avid media.
CC waveforms confirm a very slight lightening.
Have you found a combo that works better?
Thanks,
--Michael
On 10-12-15 8:37 AM, oliverpetersvidy wrote:
> ProRes would be best if it's ProRes4444, which is a very high data rate, but is also VBR. So a 4K variant could be quite large. I would really advise against sending them this over DPX files if they are a traditional VFX house and not a small After Effects shop (who might be more comfortable with Quicktime files).
>
> The main reason against ProRes is the potential gamma issues and whether the returning files will actually cut well when it comes time to grade the job. Have you figured out which gamma/color setting to use in RCX and whether that will roundtrip correctly?
>
> - Oliver
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