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February 25th, 2005, 02:36 PM | #1 |
Air China Pilot
Join Date: May 2002
Location: Vancouver, B.C.
Posts: 2,389
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Hardware accelerator for rescaling
I have a client who is asking if there is a card that will help in rescaling video.
His job requires that he takes a MiniDV format and then, after editing, outputs it as an .mov (or other format) rescaled down. He is complaining that the rescaling takes a lot of time and wants to know if getting a card will help. Unfortunately I don't at this time know what his platform is. I know he works on a Mac but he may also transfer directly onto a PC with his camera if it is more economical. I just want to know in theory if a card will help with rescaling processing (not effects or real-time editing). From what I've read so far it looks like this is far more dependent upon the CPU than any accelerator card.
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February 25th, 2005, 04:19 PM | #2 |
Regular Crew
Join Date: May 2003
Location: New Haven, CT, USA
Posts: 59
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I think a video card would only help with the playback/previewing.
A CPU/Ram upgrade would probably do him better, as you mentioned. =) |
February 25th, 2005, 07:44 PM | #3 |
Inner Circle
Join Date: Sep 2004
Location: Sacramento, CA
Posts: 2,488
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I don't know if this will help for downsampling below SD resolution, but here's something to consider:
http://www.canopus.us/US/products/ED...SNX_Pro_02.asp |
February 26th, 2005, 06:38 AM | #4 |
RED Code Chef
Join Date: Oct 2001
Location: Holland
Posts: 12,514
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I assume you are talking about SD resolution footage? If so I
doubt the downscaling is what is taking the time. I bet the time is really in the encoding (with the chosen codec) of the QuickTime. Can you give us some more details on what he is doing exactly? From which resolution to which resolution? What settings for the QuickTime encode? Which program is he using? etc. etc.
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March 21st, 2005, 02:41 PM | #5 |
Major Player
Join Date: Sep 2004
Location: Maryland, USA
Posts: 382
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Is this person working on a Mac at all (because of quicktime)...
It's easy enough to automate/script out the resample/export process in Quicktime Pro using Applescript. If it's time consuming to click through each one, it's pretty easy to set up a one time Applescript or macro to batch process. |
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