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VP9 Known Issues

While the VP9 bitstream design is finalized, work to optimize the VP9 tools provided in libvpx continues.

At the current stage of development, the following features and functionality are intentionally disabled or unfinished:

  • Speed optimizations continue. Expect slow performance.
  • 1-pass encoding is non-functional and/or disabled.
  • Multithreaded support (both encoding and decoding) has not yet been implemented