This IS the Avid L2: [Avid-L2] Pulldown Extraction

Monday, February 6, 2017

[Avid-L2] Pulldown Extraction

I've never been clear on the etiquette regarding double posting here and on Avid's forum. Sorry if I've broken some rule; I was raised in a barn.

I know I've seen this covered before, but, now that I need the information, a forum search or google search brought me nothing useful. So, if someone could point me in the right direction, I'd appreciate it. And please forgive me if I'm flogging a dead horse ("Media Composer" + "flogging a dead horse," interestingly, brings up 82 discrete hits on Google).

I shot last weekend with an old consumer HDV camera (the Canon VIXIA HV40). I had it set for 23.976 fps, or, rather, to something called 24F, which I remembered—apparently incorrectly— as being true 23.976 (herewith to be referred to as 24). But I can't capture it in a 24 fps project. I got two error messages:

"DigitizeWindow::ActivateDevices StartPassthrough failed with ePSIsStarting." and then
"PMDIOVideoFifoStream::AllocateMemory - setup sizes are incorrect - m_videoPageSize: 512, m_videoBlockSize: 512, m_videoFrameSize: 0"

If I attempt to capture into a 29.97 project, it does so happily and I get something interlaced and with duplicated frames suggesting a 2:3 pulldown. I am capturing, by the way, via HDMI through the Black Magic Intensity Pro 4K.

I had other, newer, better cameras on this shoot capturing at 24 and I would like my project to be in 24. So, my question, finally, is

Can I, and if so how do I, convert my HDV footage to true 24 fps?

I am willing to sacrifice the audio, but would like the footage to remain at correct speed so I can sync it to my master audio. Obviously, if I could keep the original audio to aid in manually syncing, that would be great, but, again, not a deal breaker. And I am prepared to capture the footage and then do the conversion outside of Media Composer if that's the best option.

Thanks,

Martin

System Specs:

Early 2009 Nehalem MacPro4,1, 2 X 2.6 GHz Quad-Core

OS 10.10.5

Samsung 850 EVO 1 TB system drive

32 GB RAM

ATI Radeon HD 4870 GRFX Card

Blackmagic Intensity Pro 4K, Driver: 10.8.2

Avid Media Composer v. 8.6.1

Adobe Premiere Pro CC 2015 v. 10.4.0

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Posted by: martin@MartinNelson.com

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