High Efficiency Video Coding

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This is a video codec. The name to use at the command line is hevc.
VLC can encode using this codec through the x265 module.
This codec is from the h26x module.

High Efficiency Video Coding or HEVC is the upcoming successor to H.264. It is sometimes (unofficially) called H.265 or H.265/HEVC to lend an idea that it builds upon H.264/MPEG-4 AVC.

It claims a greater compression ratio through lossy means at no cost to apparent fidelity. The first version was released in April 2013, though new standards are still being developed.

Like H.264, it is encumbered with patents. The open source version is x265.

In VLC media player, although h26x is used to decode it, x265 is used to encode it.

See also