Copyright for libplacebo source package in Mantic

Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: libplacebo
Upstream-Source: https://code.videolan.org/videolan/libplacebo

Files: *
Copyright: 2009-2016, Nicolas P. Rougier
           2013, Wessel Dankers 
           2017-2018, the mpv developers
           2018, Philip Langdale
License: LGPL-2.1+

Files: debian/*
Copyright: 2018-2022, Sebastian Ramacher
License: LGPL-2.1+

Files: demos/*.c
Copyright: 2018, the mpv developers
License: CC0

Files: src/include/libplacebo/shaders/film_grain.h
       src/shaders/film_grain_av1.c
Copyright: 2018-2019, Niklas Haas
License: LGPL-2.1+ or Expat

Files: src/format.c
Copyright: 2017-2018, the mpv developers
           2007-2016, Alexis Naveros
License: LGPL-2.1+ and Zlib

Files: src/siphash.c
Copyright: 2012-2016, Jean-Philippe Aumasson
           2012-2014, Daniel J. Bernstein 
License: CC0

License: CC0
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License: Expat
 Permission is hereby granted, free of charge, to any person obtaining a copy
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License: LGPL-2.1+
 This library is free software; you can redistribute it and/or
 modify it under the terms of the GNU Lesser General Public
 License as published by the Free Software Foundation; either
 version 2.1 of the License, or (at your option) any later version.
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License: Zlib
 Permission is granted to anyone to use this software for any purpose,
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  1. The origin of this software must not be misrepresented; you must not
     claim that you wrote the original software. If you use this software
     in a product, an acknowledgment in the product documentation would be
     appreciated but is not required.
  2. Altered source versions must be plainly marked as such, and must not be
     misrepresented as being the original software.
  3. This notice may not be removed or altered from any source
     distribution.