libjpeg　Copyright (C) 1991-2013, Thomas G. Lane, Guido Vollbeding.
　　　this software is based in part on the work of the Independent JPEG Group


　　　libpng　Copyright (C) 2004, 2006-2012 Glenn Randers-Pehrson.
　　　zlib　Copyright (C) 1995-2012 Jean-loup Gailly and Mark Adler.


　　　libtiff　Copyright (c) 1988-1997 Sam Leffler
　　　libtiff　Copyright (c) 1991-1997 Silicon Graphics, Inc.

　　　Permission to use, copy, modify, distribute, and sell this software and
　　　its documentation for any purpose is hereby granted without fee, provided
　　　that (i) the above copyright notices and this permission notice appear in
　　　all copies of the software and related documentation, and (ii) the names of
　　　Sam Leffler and Silicon Graphics may not be used in any advertising or
　　　publicity relating to the software without the specific, prior written
　　　permission of Sam Leffler and Silicon Graphics.

　　　THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND,
　　　EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
　　　WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.

　　　IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR
　　　ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
　　　OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
　　　WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
　　　LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
　　　OF THIS SOFTWARE.


　　　libogg　Copyright (C) 2002-2009 Xiph.org Foundation

　　　Redistribution and use in source and binary forms, with or without
　　　modification, are permitted provided that the following conditions
　　　are met:

　　　- Redistributions of source code must retain the above copyright
　　　notice, this list of conditions and the following disclaimer.

　　　- Redistributions in binary form must reproduce the above copyright
　　　notice, this list of conditions and the following disclaimer in the
　　　documentation and/or other materials provided with the distribution.

　　　- Neither the name of the Xiph.org Foundation nor the names of its
　　　contributors may be used to endorse or promote products derived from
　　　this software without specific prior written permission.

　　　THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
　　　``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
　　　LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
　　　A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION
　　　OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
　　　SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
　　　LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
　　　DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
　　　THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
　　　(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
　　　OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.


　　　Opus audio codec
　　　Copyright 2001-2011 Xiph.Org, Skype Limited, Octasic,
　　　 Jean-Marc Valin, Timothy B. Terriberry,
　　　 CSIRO, Gregory Maxwell, Mark Borgerding,
　　　 Erik de Castro Lopo

　　　Redistribution and use in source and binary forms, with or without
　　　modification, are permitted provided that the following conditions
　　　are met:

　　　- Redistributions of source code must retain the above copyright
　　　notice, this list of conditions and the following disclaimer.

　　　- Redistributions in binary form must reproduce the above copyright
　　　notice, this list of conditions and the following disclaimer in the
　　　documentation and/or other materials provided with the distribution.

　　　- Neither the name of Internet Society, IETF or IETF Trust, nor the
　　　names of specific contributors, may be used to endorse or promote
　　　products derived from this software without specific prior written
　　　permission.

　　　THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
　　　``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
　　　LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
　　　A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
　　　OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
　　　EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
　　　PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
　　　PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
　　　LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
　　　NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
　　　SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.


　　　Opusfile
　　　Copyright (c) 1994-2013 Xiph.Org Foundation and contributors

　　　Redistribution and use in source and binary forms, with or without
　　　modification, are permitted provided that the following conditions
　　　are met:

　　　- Redistributions of source code must retain the above copyright
　　　notice, this list of conditions and the following disclaimer.

　　　- Redistributions in binary form must reproduce the above copyright
　　　notice, this list of conditions and the following disclaimer in the
　　　documentation and/or other materials provided with the distribution.

　　　- Neither the name of the Xiph.Org Foundation nor the names of its
　　　contributors may be used to endorse or promote products derived from
　　　this software without specific prior written permission.

　　　THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
　　　``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
　　　LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
　　　A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION
　　　OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
　　　SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
　　　LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
　　　DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
　　　THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
　　　(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
　　　OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.


　　　Mersenne Twister
　　　Copyright (C) 1997 - 2002, Makoto Matsumoto and Takuji Nishimura,
　　　All rights reserved.

　　　Redistribution and use in source and binary forms, with or without
　　　modification, are permitted provided that the following conditions
　　　are met:

　　　1. Redistributions of source code must retain the above copyright
　　　notice, this list of conditions and the following disclaimer.

　　　2. Redistributions in binary form must reproduce the above copyright
　　　notice, this list of conditions and the following disclaimer in the
　　　documentation and/or other materials provided with the distribution.

　　　3. The name of the author may not be used to endorse or promote products
　　　derived from this software without specific prior written permission.

　　　THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
　　　IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
　　　OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
　　　IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
　　　INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
　　　NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
　　　DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
　　　THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
　　　(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
　　　THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.


　　　Bullet　Copyright (c) 2003-2006 Erwin Coumans.

	DX Library Copyright (C) 2001-2019 Takumi Yamada.