You have the file. Now, how do you watch it to replicate the theater experience?
You might see other codecs like H.265 (HEVC) or even the older XviD. Why stick with H.264 for Oldboy? Oldboy -2003-BDRip-H 264- mp4
H.264 (also known as AVC) is the industry standard for a reason. It is the "Goldilocks" codec—not too heavy, not too light. You have the file
It is important to note that distributing copyrighted BDRip files is illegal in most jurisdictions. However, the keyword serves a legitimate purpose for fair use: You have the file. Now