I would stay clear of QT for any vfx workflow. QT is forever locked in its 32-bit world, works very poorly in a vfx pipeline. Doesn't work in render farm environments. And you have absolutely NO control over your gamma. QT is fine for editing and review purposes, but not for vfx work.
The safe route is to go 16-bit tif sequences with no data compression, rec709 gamma. Big files but they load fast and disks are cheap. DPX sequences only with a LUT selected by the vfx house.
K
On 15. des. 2010, at 17.26, Michael Brockington wrote:
> Exporting footage from RedCine-X for VFX. Final delivery is 1080p, but
> some elements will be blown up, so it would be good for them to have
> access to full 4K image. There's no particular reason why they can't
> use an image sequence, but I thought quicktime might be tidier.
>
> I wonder - if you use something like ProRes for a 4K file, will it use
> roughly the same bit-rate as for 2K? If so, that would imply a higher
> degree of compression for a given 4K frame.
>
> Cheers,
> --Michael
>
> On 10-12-15 5:51 AM, Oliver Peters wrote:
>>> What codec are people using for quicktimes with 4K resolution?
>>> Is the cineform Neo4K the only game in town?
>>> --Michael Brockington
>> I think ProRes can technically support it, but I haven't tried past 2K. 4K is generally delivered as DPX image sequences. What are you trying to do?
>>
>> - Oliver
>>
>>
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