I went back and extracted a small segment again, and this time it does show problems. I must've done something really absentminded the first time, like open the m2v file in dgindex.

admin wrote:You get brownie points for bringing this to light and following up instead of just grumbling to yourself.

Why thank you kindly! I'm just happy to help out!

Thanks for looking into all of this!

Also, thanks for giving me some pretty detailed background info. I'm genuinely curious about how these tools work. I've got a reasonably good high-level understanding of the basics, but I'm totally lost on any of the actual implementation.

I'm at work still, so can't spend too much time looking up documentation. Is ulErrorThreshold used to determine whether to render a frame or not based on how much corruption is present in the stream? I wouldn't be surprised if there was something wrong with the original VOB that other players are ig...

I extracted about a 30 second segment around the area where I took the original screenshot, and I couldn't see the problem when I looked at the m2v in DGDecNV.

Well, either way, at least you can see it now!

When I use DgDecNV to extract a section of the vob, the resulting m2v file is free from problems. I've sent you a link to the original file by PM.

When using DgDecNV (2052) on a source VOB which was ripped from DVD, I get artifacts throughout the video. The artifacts show up within DgDecNV https://dl.dropboxusercontent.com/u/63597303/ShareX/2017-01/DGIndexNV_2017-01-18_07-24-31.png Using the same VOB source files and Dgindex, the artifacts are...