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Originally Posted by Ethersync
For one video sure, but it's not really that easy to do in bulk though. They import the clip into an editing program, clip off the embeds and the render out a new video (quality loss). Many people will just not bother. The more organized releasing groups, if they do porn (I have no idea), may make the effort to strip out the details, but I think even they would prefer to just pirate other porn and skip the more difficult stuff.
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A 10 minute vid at 30 frames-per second equals 18,000 frames. If the codes are inserted randomly, that is a whole of frame-by-frame checking. Make the code semi-transparent, it makes it even harder to spot. Or see the comment below.
Quote:
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Originally Posted by ottopottomouse
Random thought related to the php jpg.
Is there anything similar to the QRCode square barcode that could be generated that wasn't quite so obvious as to being an image branded with writing on?
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1. You can do color shifting to hide numbers, in an image. Pick some square areas, and bump the colors in that area a bit. Basically be almost invisable to the naked eye.
For a "0" = current color + 4*10
For a "1" = current color + 4*1
For a "2" = current color + 4*2
For a "3" = current color + 4*3
...
For a "8" = current color + 4*8
For a "9" = current color + 4*9
Then just do a "mask" comparison between the original and the encoded to reverse the calculation.