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| On May 13, 2014, at 2:41 PM, Steve Oakley wrote: > well h.264 is an interesting question. while often thought of as a very compressed long GOP format, it can be iframe, 10/12+ bits, 4:2:2 and 4:4:4 with a high enough bit rate to be near lossless. > > while the format you propose would like to directly avoid any patent encumbered technology, having it be open enough that a suitable h.264/5 codec could be added might well turn out to be a critical item in getting wider usage. another developer could bring in a suitable codec component. > > ditto ProRes as odd as that might sound given its widespread use in cameras and recorders. I'm afraid I'm going to be a stickler on the patent issues. Theoretically a studio using H.264 in production might have to pay MPEG LA for the privilege of doing so. Anyone making commercial software that uses H.264 definitely must pay MPEG LA. I think that's a deal breaker that would prevent POM from gaining traction. The ProRes situation is less clear. There may not be any patent issues and Apple only warns against unauthorized implementations because it that are not given their seal of approval. FFmpeg has a ProRes encoder/decoder, and it may be possible to duplicate it without violating the GPL license attached to it. What I'm really hoping for is the Dirac codec works well enough that we forget all about H.264 and ProRes. Brendan |
