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- This folder contains libraries and headers of a few very popular still image codecs
- used by imgcodecs module.
- The libraries and headers are preferably to build Win32 and Win64 versions of OpenCV.
- On UNIX systems all the libraries are automatically detected by configure script.
- In order to use these versions of libraries instead of system ones on UNIX systems you
- should use BUILD_<library_name> CMake flags (for example, BUILD_PNG for the libpng library).
- ------------------------------------------------------------------------------------
- libjpeg (deprecated) The Independent JPEG Group's JPEG software.
- Copyright (C) 1991-2012, Thomas G. Lane, Guido Vollbeding.
- See IGJ home page http://www.ijg.org
- for details and links to the source code
- libjpeg-turbo libjpeg-turbo is covered by three compatible BSD-style open source licenses.
- Refer to [LICENSE.md](libjpeg-turbo/LICENSE.md) for a roll-up of license terms.
- Site: https://github.com/libjpeg-turbo/libjpeg-turbo
- API is compatible with original libjpeg.
- WITH_JPEG CMake option must be ON to add libjpeg or libjpeg-turbo support to imgcodecs.
- BUILD_JPEG=ON selects libjpeg-turbo by default (since OpenCV 3.4.2).
- Enable BUILD_JPEG_TURBO_DISABLE=ON to force using of libjpeg (this option is removed in OpenCV 4.0).
- SIMD instructions are enabled by default. Use ENABLE_LIBJPEG_TURBO_SIMD to control SIMD instructions.
- ------------------------------------------------------------------------------------
- libpng Portable Network Graphics library.
- The license and copyright notes can be found in libpng/LICENSE.
- See libpng home page http://www.libpng.org
- for details and links to the source code
- WITH_PNG CMake option must be ON to add libpng support to imgcodecs.
-
- libspng Portable Network Graphics library.
- The license and copyright notes can be found in libspng/LICENSE.
- See libspng home page https://www.libspng.org
- for details and links to the source code
-
- WITH_SPNG CMake option must be ON to add libspng support to imgcodecs
- ------------------------------------------------------------------------------------
- libtiff Tag Image File Format (TIFF) Software
- Copyright (c) 1988-1997 Sam Leffler
- Copyright (c) 1991-1997 Silicon Graphics, Inc.
- See libtiff home page http://www.libtiff.org/
- for details and links to the source code
- WITH_TIFF CMake option must be ON to add libtiff & zlib support to imgcodecs.
- ------------------------------------------------------------------------------------
- zlib General purpose LZ77 compression library
- Copyright (C) 1995-2022 Jean-loup Gailly and Mark Adler.
- See zlib home page http://www.zlib.net
- for details and links to the source code
- ------------------------------------------------------------------------------------
- jasper JasPer is a collection of software
- (i.e., a library and application programs) for the coding
- and manipulation of images. This software can handle image data in a
- variety of formats. One such format supported by JasPer is the JPEG-2000
- format defined in ISO/IEC 15444-1.
- Copyright (c) 1999-2000 Image Power, Inc.
- Copyright (c) 1999-2000 The University of British Columbia
- Copyright (c) 2001-2003 Michael David Adams
- See JasPer official GitHub repository
- https://github.com/jasper-software/jasper.git
- for details and links to source code
- ------------------------------------------------------------------------------------
- openexr OpenEXR is a high dynamic-range (HDR) image file format developed
- by Industrial Light & Magic for use in computer imaging applications.
- Copyright (c) 2006, Industrial Light & Magic, a division of Lucasfilm
- Entertainment Company Ltd. Portions contributed and copyright held by
- others as indicated. All rights reserved.
- The project homepage: http://www.openexr.com
- ------------------------------------------------------------------------------------
- ffmpeg FFmpeg is a complete, cross-platform solution to record,
- convert and stream audio and video. It includes libavcodec -
- the leading audio/video codec library, and also libavformat, libavutils and
- other helper libraries that are used by OpenCV (in videoio module) to
- read and write video files.
- Copyright (c) 2001 Fabrice Bellard
- The project homepage: http://ffmpeg.org/.
-
- * On Linux/OSX we link user-installed ffmpeg (or ffmpeg fork libav).
- * On Windows we use pre-built ffmpeg binaries,
- see opencv/3rdparty/ffmpeg/readme.txt for details and licensing information
- ------------------------------------------------------------------------------------
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