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I don’t know the answer, but I think I now know the question
Sorry to repost so soon, but after staying up to 3am…I think I may understand what my question now is.
I often shoot in 1920×1080 (DSLR) and then edit in 1280×720. Because I do a number of ‘interview’ projects that only need to be deliverd in 720, this allows me a 40-50% upscal on my interviews (basically a closeup and medium shot without having to change the camera during shooting) In FCP I never had any RT (real time playback) issues doing this. I have found in CS5.5 that when I do this, every single clip needs to render because it’s being scaled. If I do a second layer for b-roll it gets worse. (note, just dropping in the single clip gives me a red bar and if I place a b-roll clip on track 2 over the interview, it stutters and pauses).
Here’s my question. I am working on the following system:
MacPro 4,1 (2009)
OS 10.6.7
2x 2.26 GHz Quad Intel
20GB Ram
GeForce GT120System & Software on Internal 7200 Drive #1
Media on Internal 7200 Drive #2 (not a raid)
Project on Inernal 7200 Drive #3Is there anything I can do short of a complete new system that will improve the RT performance of using 1080 footage in a 720 sequence, or is this a limitation of PPro?
While I know any of the following will help a system, will any of the following alleviate this problem. If so which one and how much (or what recommended product) for each?
-Seutp Raid0 ?
-Faster Graphics Card?
-More Ram?Is there mac system that will make this work without having to render every clip?
Will Premiere Pro Next address this issue?
Thank you all again for your patience and help.
Ally -
5 Replies
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[Ally Shore] “Is there anything I can do short of a complete new system that will improve the RT performance of using 1080 footage in a 720 sequence, or is this a limitation of PPro?”
As I said in the post I just sent you, this is not a limitation of Premiere, the challenge you are having with scaling is a limitation of the graphics card you are using in your system.
Here is a link to info about CUDA and related stuff.
https://blogs.adobe.com/premierepro/2011/02/cuda-mercury-playback-engine-and-adobe-premiere-pro.html
Tom Daigon
PrP / After Effects Editor
HP Z820 Dual 2687
64GB ram
Dulce DQg2 16TB raid
http://www.hdshotsandcuts.com -
I agree with Tom, since we narrowed it down to scaling then I would say a proper CUDA enabled card would help the most with performance. The GPU takes care of scaling and GPU enabled simple effects so you’ll see good performance gains.
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Angelo LorenzoNeed to encode ProRes on your Windows PC?
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Fallen Empire Digital Production Services – Los Angeles
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Can your post production question fit in a tweet? Follow me on Twitter -
Tom and Angelo are correct about getting a supported CUDA enabled card in your Mac Pro (like a Quadro 4000).
If you don’t want to pay for that right now, you can try dropping the playback resolution in Premiere from “Full” to “1/2” or “1/4.”
I have the same model Mac as you – 4,1 from 2009 – and I have no problems scaling footage on the fly in Premiere. This is just a limit of your system, not PPro. I am running a Quadro FX 4800 card in this Mac (I’d recommend the 4000 as it’s more powerful and cheaper).
Ryan Holmes
http://www.ryanholmes.me
@CutColorPost -
Ya get a Quadro 4K.
It makes a BIG difference in work flow.
I wouldn’t work without it.
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[Ryan Holmes] “I am running a Quadro FX 4800 card in this Mac (I’d recommend the 4000 as it’s more powerful and cheaper).”
Since the 4800 is typically a second-hand purchase these days, it may not be a bad investment if the price was right…memory access/speed is a touch better than the 4000 (keeping in mind that the 4000 is the descendant of the 3800, the model below the 4800…which updated to the original -non-Kepler- Quadro 5000)
One advantage to the 4000 is that it’s a single slot wide, whereas the 4800 covers (not plugs in to) 2 slots.
TimK,
Director, Consultant
Kolb Productions,Adobe Certified Instructor
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