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x265 is an encoder for creating digital video streams in the High Efficiency Video Coding (HEVC/H.265) video compression format developed by the Joint Collaborative Team on Video Coding (JCT-VC). [ 4 ] [ 5 ] [ 6 ] It is available as a command-line app or a software library , under the terms of GNU General Public License (GPL) version 2 or later ...
It supports HEVC/H.265 decode up to 1080p60 4:2:2 10bits (Main10 profile at Level 4.1 High Tier). [55] On July 23, 2013, MulticoreWare released alpha source code for x265, [56] [57] a video encoder application and library for encoding video into an HEVC bitstream. x265 is an open source [58] software available under GNU GPL v2 license.
HEVC was designed to substantially improve coding efficiency compared with H.264/MPEG-4 AVC HP, i.e. to reduce bitrate requirements by half with comparable image quality, at the expense of increased computational complexity. [13] HEVC was designed with the goal of allowing video content to have a data compression ratio of up to 1000:1. [133]
To fix HEVC and HEIF issues on Windows 11, use these steps: Open Start. Search for Command Prompt, right-click the top result, and select the Run as administrator option.
The HEVC standard defines thirteen levels. [1] [2] A level is a set of constraints for a bitstream.[1] [2] For levels below level 4 only the Main tier is allowed.[1] [2] A decoder that conforms to a given tier/level is required to be capable of decoding all bitstreams that are encoded for that tier/level and for all lower tiers/levels.
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High Efficiency Video Coding (HEVC, ITU-T H.265) [14] is an encoding format for graphic data, first standardized in 2013. It is the primarily used and implied default codec for HEIF as specified in the normative Annex B to ISO/IEC 23008-12 HEVC Image File Format.
x265 – An encoder based on the High Efficiency Video Coding (HEVC/H.265) standard. Xvid – MPEG-4 Part 2 codec, compatible with DivX libvpx – VP8 and VP9 implementation; formerly a proprietary codec developed by On2 Technologies , released by Google under a BSD-like license in May 2010.