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Macro block breakup on capture
I want to include some imagery captured in HDV into a Matrox PPro 1.5 4:3 DV project. My FX-1 doesn’t do center cut extraction, so I try to capture an HDV movie in an HDV project. I can downconvert and export from there or do it in After Effects to get a 4:3 DV movie.
The problem is on HDV capture I get major breakup of the images after about 7 seconds. The material on the various tapes show no problems. Deck control (HDV control) is strange in that I can run the deck fine but on capture it goes to the in point and then keeps on recording past the out point. The firewire control is through my Matrox card, as OCHI capture doesn’t work somehow.
I have turned off all background operations in the computer.
I don’t want to capture a camera downconverted widescreen DV movie in the 4:3 project and then scale it up to fill the frame…I am sure that sort of blow up will degrade the image.
I can’t do any software reinstalls right now in that I have another huge 4:3
project ready to go out for international distibution in a couple of weeks …I don’t want to “rock the boat”. As soon as I get that project off I will install PPro 2.0 …assuming the Matrox RTX100 driver is out.PPro 1.5
P4 2.8GHz,
1 gig ram,
Matrox Millennium P750 display card
XP SP2
Matrox RTX100,
camera FX-1 -
5 Replies
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from my experience with premiere pro 1.5, if the system for any reason has a slow down during capture of HDV it results in the problem you are describing. On a few projects I had to go back and capture those same clips again, the second time, there wasn’t a problem (not on the tape). That was with a 2.8 ghz P4, with a dual xeon 3.6 I’ve never had a problem and with the P4 extreme edition dual core I’ve never had a problem. Just fyi
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thanks, I was sort of thinking that. BTW the read speed on my hard drive is 38MB/S.
I hope to buy a dual core Operton in the next couple of months…pending my getting a contract that will be bid out nationally. That will become my HDV machine.In the meantime I just need a few nature scenics off the HDV tapes.
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Get the free trial of Cineform Aspect HD. Capture using HDLink and only get the M2T files. Then, in a second step, convert to Cineform AVI. It is easier on the PC.
Steven
http://www.stevengotz.com -
I just noticed that the “capture duration” readout in the Capture window starts to slow down as it hits around 8 seconds…just where the breakup starts to occurr. When I stop the capture the Cineform codec is 80% of the way done with transcoding…maybe it is trying to start the transcoding process at 8 seconds and that is what is causing the computer to bog down.
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It does start transcoding before you finish capturing, but it is supposed to be smart enough to wait until it has the resources to do it, but I’d follow Steve Gotz idea and it should get you by.
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