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FFmpeg's VP9 Decoder Faster Than Google's

Posted by timothy on from the healthy-competition dept.

An anonymous reader writes "A VP9 video decoder written for FFmpeg, FFvp9, now holds the title of being the world's fastest VP9 video decoder. FFvp9 is faster than Google's de facto VP9 decoder found in libvpx, but this doesn't come as too much of a surprise given that FFmpeg also produced a faster VP8 video decoder than Google a few years back with both single and multi-threaded performance."

2 of 101 comments (clear)

  1. Re:Faster is not necessarily better: Quality matte by rbultje · · Score: 5, Informative

    The output is equivalent to what libvpx produces (as measured by MD5 on each output frame) on all files in the VP9 conformance suite.

  2. Re:Faster is not necessarily better: Quality matte by marcansoft · · Score: 5, Informative

    This is false. Decoding for modern video formats is strictly defined, and all decoders must produce bit-perfect output. You can add as many filters as you want after that, but that's a postprocessing step in the video player and has nothing to do with the decoder. Things like in-loop filters are strictly defined as part of the decoding process and must be there for the decoder to be considered correct.