Poking through the ProRes whitepaper, I see that it does support
arbitrary framesizes. Also, wider rasters (720 vs 1440 vs 1920) use
higher bit-rates, so chances are it would not add extra compression at 4K.
--Michael
On 10-12-15 8:26 AM, 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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