x264 is an open-source codec for H.264/MPEG-4 AVC encoding. For a film like Poseidon , which is filled with chaotic water simulations, rapid camera movements, and dark, murky environments, x264 shines. It delivers:
Moreover, physical BluRay discs rot over time (disc rot). A well-maintained hard drive array keeps Poseidon intact for decades. The x264 encode is the archival sweet spot: high-quality, low storage footprint.