Dual Link RGB 4:4:4 editing with FCP

[John Ladle]

i assume it wil behave like all 10 bit uncompressed HD in FCP…turn into an 8 Bit pumpkin the moment you render effects…

[Paul Harb]

funny response….

[John Ladle]

yeah, funny how it works, kind of. actually, a lot of avids do the same things, if you use certain effects in some of the higher end avid systems with 10 bit uncompressed HD, you get 8bit results.

[Christopher Tay]

Any idea which rendered effects will turn a beautiful 10bit 4:4:4 RGB into 8bit pumpkin ?

-chrispy

[John Ladle]

for FCP 4.5/HD–everything. for the avid stuff, it depends. they don’t let that info out too freely. you have to ask the demo guys on the latest list for an avid symphony, for instance

[Mike]

This is very interesting to know, but it makes me somewhat confused. Final cut seems to differentiate between “8-bit YUV” and “high precision YUV,” however, the above posts indicate that Final Cut cannot process above 8-bits. So can can someone please explain to me what “high precision YUV” means in terms of 8-bit vs. 10-bit.

Thanks very much,
Mike

[Dom Silverio]

For XPress Pro and Adrenaline, the ReadMe file states which FX are 16 bit- most of them, including the most commonly used like PiPs, dissolves, wipes etc.
This is based on the latest release [5.x for XPro and 2.x for Adrenaline]. So a full 10 bit workflow is possible.

Avid Symphony Nitris will be interesting. Symphony’s old code is 8 bit mostly [only the CC was 10 bit, but SDI out was only 8 bit] but it will be using Nitris hardware. That is 8/10 bit native.

Back to topic…. I thought FCP supported up to 32 bit FP? The engine renders at 32 bit but writes only 8 bit?

[John Ladle]

do express pro and adrenaline allow for uncompressed HD? we are talking 4:4:4 uncompressed dual link HD. last i heard, adrenaline was compressed HD only, but that info was right around NAB. i know avid finally has DVCPRO HD, but i did not think they allowed uncompressed on anything affordable…

[Dom Silverio]

No – no uncompress 4:4:4 but we are talking about bit depth here and not compression ratio right?

[John Ladle]

i think i took it as generally working with dual link footage which would be uncompressed 10 or 12 bit 4:4:4. pretty amazing it is this far when you think back to FCP 3 and the jokes other vendors having.