Which video codecs does Blu-ray Disc support?
All Blu-ray Disc players can play video compressed in MPEG-2, the same compression format used currently on DVD (albeit in a form optimized for high-definition content). In addition, the Blu-ray Disc format supports MPEG-4 (H.264) AVC and VC-1, two next-generation video compression/decompression schemes that handle video more efficiently than MPEG-2 does. Blu-ray movies may be encoded in any of these three formats. Many first-wave Blu-ray Disc movies are encoded in MPEG-2; some studios are opting for that format simply because they’re familiar with the MPEG-2 codec and they already have the tools necessary to use it.