Mercurial > hg > forks > libbpg
diff x265/doc/reST/introduction.rst @ 0:772086c29cc7
Initial import.
author | Matti Hamalainen <ccr@tnsp.org> |
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date | Wed, 16 Nov 2016 11:16:33 +0200 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/x265/doc/reST/introduction.rst Wed Nov 16 11:16:33 2016 +0200 @@ -0,0 +1,82 @@ +************ +Introduction +************ + +Increasing demand for high definition and ultra-high definition video, +along with an increasing desire for video on demand has led to +exponential growth in demand for bandwidth and storage requirements. +These challenges can be met by the new High Efficiency Video Coding +(HEVC) standard, also known as H.265. The x265 HEVC encoder project was +launched by MulticoreWare in 2013, aiming to provide the most efficient, +highest performance HEVC video encoder. + +About HEVC +========== + +The High Efficiency Video Coding (HEVC) was developed by the ISO/IEC +Moving Picture Experts Group (MPEG) and ITU-T Video Coding Experts Group +(VCEG), through their Joint Collaborative Team on Video Coding (JCT-VC). +HEVC is also known as ISO/IEC 23008-2 MPEG-H Part 2 and ITU-T H.265. +HEVC provides superior video quality and up to twice the data +compression as the previous standard (H.264/MPEG-4 AVC). HEVC can +support 8K Ultra High Definition video, with a picture size up to +8192x4320 pixels. + +About x265 +========== + +The primary objective of x265 is to become the best H.265/HEVC encoder +available anywhere, offering the highest compression efficiency and the +highest performance on a wide variety of hardware platforms. The x265 +encoder is available as an open source library, published under the +GPLv2 license. It is also available under a commercial license, enabling +commercial companies to utilize and distribute x265 in their solutions +without being subject to the restrictions of the GPL license. + +x265 is developed by `MulticoreWare <http://www.multicorewareinc.com>`_, +leaders in high performance software solutions, with backing from +leading video technology providers including `Telestream +<http://www.telestream.com>`_ and `Doremi Labs +<http://www.doremilabs.com>`_ (and other companies who want to remain +anonymous at this time), and with contributions from open source +developers. x265 leverages many of the outstanding video encoding +features and optimizations from the x264 AVC encoder project. + +The x265 software is available for free under the GNU GPL 2 license, +from https://bitbucket.org/multicoreware/x265. For commercial companies +that wish to distribute x265 without being subject to the open source +requirements of the GPL 2 license, commercial licenses are available +with competitive terms. Contact license @ x265.com to inquire about +commercial license terms. + +While x265 is primarily designed as a video encoder software library, a +command-line executable is provided to facilitate testing and +development. We expect x265 to be utilized in many leading video +hardware and software products and services in the coming months. + +LEGAL NOTICES +============= + +The x265 software is owned and copyrighted by MulticoreWare, Inc. +MulticoreWare is committed to offering the x265 software under the GNU +GPL v2 license. Companies who do not wish to integrate the x265 +Software in their products under the terms of the GPL license can +contact MulticoreWare (license @ x265.com) to obtain a commercial +license agreement. Companies who use x265 under the GPL may also wish +to work with MulticoreWare to accelerate the development of specific +features or optimized support for specific hardware or software +platforms, or to contract for support. + +The GNU GPL v2 license or the x265 commercial license agreement govern +your rights to access the copyrighted x265 software source code, but do +not cover any patents that may be applicable to the function of binary +executable software created from the x265 source code. You are +responsible for understanding the laws in your country, and for +licensing all applicable patent rights needed for use or distribution of +software applications created from the x265 source code. A good place +to start is with the `Motion Picture Experts Group - Licensing Authority +- HEVC Licensing Program <http://www.mpegla.com/main/PID/HEVC/default.aspx>`_. + +x265 is a registered trademark of MulticoreWare, Inc. The x265 logo is +a trademark of MulticoreWare, and may only be used with explicit written +permission. All rights reserved.