[colonwqbang]

Not unheard of, but uncommon. Typically the uploader will list the particulars of his precious file in extreme detail. Video resolution down to the pixel, framerate, mean bitrate and the exact settings and version of the libx264 codec software used...

[sjwright]

Unlike streaming services, there is a vibrant competitive landscape in the piracy scene with strong competition incentives on technical quality, with reputation being the commodity.