Tool to search for black frames?

[Eric Johnson]

Not sure if it works with DNxHD, but I’, pretty sure Digital Rebellion has an app in one of it’s bundles that does something to that effect.

eric b johnson
online editor | colorist | workflow
https://vimeo.com/ebjohnson/colorreel

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[Jon Chappell]

Yes, it’s called Video Check and it’s in Pro Media Tools:
https://www.digitalrebellion.com/promedia

But it uses AV Foundation so no third-party codecs I’m afraid.

My software:
Pro Maintenance Tools – Tools to keep Final Cut Studio, Final Cut Pro X, Avid Media Composer and Adobe Premiere Pro running smoothly and fix problems when they arise
Pro Media Tools – Edit QuickTime chapters and metdata, detect gamma shifts, edit markers, watch renders and more
More tools…

[Michael Neumann]

I tried “Video Check” and it worked well with an .mp4 and detected a flashing frame. The same file converted to DNxHD 4:4:4 (my main format) didn’t show up with any negative results although I could clearly see the flashing frame when scrubbing through the footage.

Also I would like the program to check about 500 files for export failures, which Video Check is not capable of (no batch).

Any other ideas?

I thought about running all the files through scene detection, which should work nicely but is also a lot of work.

[Jon Chappell]

As I mentioned, it doesn’t support DNxHD.

My software:
Pro Maintenance Tools – Tools to keep Final Cut Studio, Final Cut Pro X, Avid Media Composer and Adobe Premiere Pro running smoothly and fix problems when they arise
Pro Media Tools – Edit QuickTime chapters and metdata, detect gamma shifts, edit markers, watch renders and more
More tools…