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Old August 12th, 2009, 08:24 PM   #1
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$100 For Working DPX2CF Script

Will pay $100 (cashier's check or by PayPal) to the first person to post a DPX2CF script which allows me to actually convert dpx files to Cineform files. I obviously wouldn't be resorting to this if I had been able to get help from Cineform.
I own Prospect 4K and am running it on an i7 940 3.88 ghz (overclocked) PC with 12 Gigs of RAM. I have the most recent update of Prospect 4K (also PP CS4 and Vegas 9).
I created a sequence in Combustion which is comprised of 341 frames and I rendered the sequence as dpx files. Each frame is 4K by 2K, and each is about 32 Megs. So far I have not succeeded in writing a DPX2CF script which actually converts the files from one format to the other. The following is the best I have been able to come up with:
dpx2cf c:\S1dpx\output*.dpx c:\S1cf\starfield.avi -q4 -f24 -n341
Running this script, the 341 files load, but that's all. I don't seem to be able to get it to do anything else. I don't know if the problem is the script itself, or whether I am overlooking something. I will pay the $100 for a script that works, OR, for any suggestion which allows me to find a way to convert the files using the DPX2CF utility. As soon as I succeed in transcoding the files, I will post a message to the thread which names the winner and I will provide my email address so I can arrange payment. Thanks, Steve

Last edited by Steven A. Sandt; August 13th, 2009 at 12:17 AM. Reason: Memory value incorrect
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Old August 12th, 2009, 10:31 PM   #2
CTO, CineForm Inc.
 
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Your command line is correct, you are simply exhausting 32-bit memory space. We need to make this component 64-bit as it launches as many threads as there are virtual CPUs, the catch is for a 4K 16-bit per channel 4:4:4 we need about 256MB per core. 8 x 256 = 2GB = Opps.

Here is the fix

--------- cut here ----------
Windows Registry Editor Version 5.00

[HKEY_CURRENT_USER\Software\CineForm\DShow]
"EncoderThreadsLimit"=dword:00000004
--------- cut here ----------

save as LimitCPU.reg. Double click on the .reg file. Now your 4Kx2K DPX to CineForm encodes will work.

P.S. Here is the latest DPX2CF with LimitCPU.reg file control.
http://www.miscdata.com/cineform/DPX2CF.zip
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blog: cineform.blogspot.com -- twitter: twitter.com/David_Newman

Last edited by David Newman; August 12th, 2009 at 11:02 PM.
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Old August 13th, 2009, 01:11 PM   #3
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Fix for Windows Registry Editor

!!!!!!!WE HAVE A WINNER!!!!!!
I have successfully transcoded files and DAVID NEWMAN (CTO, Cineform) is the winner!!!
The $100 should at least provide for a nice dinner. Thanks, Steve
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Old August 13th, 2009, 01:22 PM   #4
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Thanks

I'll send it to your attention at the Solana Beach address. Thanks again.
Steve
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Old August 13th, 2009, 01:52 PM   #5
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That is very nice but unnecessary. We don't charge for support.
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Old August 13th, 2009, 02:40 PM   #6
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Thanks

A promise is a promise. It's on its way. Thanks again.
Steve
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