Copyright ©: 2013-2017, BAVC. All Rights Reserved.
Copyright ©: 2018-2020, RiceCapades & MediaArea.net SARL. All Rights Reserved.

Version 1.4.20251123

QCTools is licensed under a GPLv3 License.

This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program. If not, see http://www.gnu.org/licenses/.

Additional rights: QCTools GUI part and FFmpeg statistics filter are licensed under a Free BSD License.

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 BAVC 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 COPYRIGHT HOLDER 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.

QCTools is an ongoing software development project led by the Bay Area Video Coalition (BAVC) with funding from the National Endowment for the Humanities under Grant number PR-50188-13. The project initiated in January 2013 and will span 25 months, concluding on January 31, 2015 (full project description may be found here: http://www.bavc.org/qctools).

This software uses libraries from the FFmpeg project under the GPLv3 (QCTools does not claim any ownership, partial or otherwise, of the FFmpeg code. FFmpeg is a trademark of Fabrice Bellard.), and meets the FFmpeg compliance requirements.

The Qt Toolkit is Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
Contact: http://www.qt-project.org/legal

You may use, distribute and copy the Qt GUI Toolkit under the terms of GNU Lesser General Public License version 2.1

Digia Qt LGPL Exception version 1.1
As an additional permission to the GNU Lesser General Public License version 2.1, the object code form of a "work that uses the Library" may incorporate material from a header file that is part of the Library. You may distribute such object code under terms of your choice, provided that:
(i) the header files of the Library have not been modified; and
(ii) the incorporated material is limited to numerical parameters, data structure layouts, accessors, macros, inline functions and templates; and
(iii) you comply with the terms of Section 6 of the GNU Lesser General Public License version 2.1.
Moreover, you may apply this exception to a modified version of the Library, provided that such modification does not involve copying material from the Library into the modified Library's header files unless such material is limited to (i) numerical parameters; (ii) data structure layouts; (iii) accessors; and (iv) small macros, templates and inline functions of five lines or less in length.
Furthermore, you are not required to apply this additional permission to a modified version of the Library.

Qwt License
Version 1.0, January 1, 2003
The Qwt library and included programs are provided under the terms of the GNU LESSER GENERAL PUBLIC LICENSE (LGPL) with the following exceptions:
1. Widgets that are subclassed from Qwt widgets do not constitute a derivative work.
2. Static linking of applications and widgets to the Qwt library does not constitute a derivative work and does not require the author to provide source code for the application or widget, use the shared Qwt libraries, or link their applications or widgets against a user-supplied version of Qwt.
If you link the application or widget to a modified version of Qwt, then the changes to Qwt must be provided under the terms of the LGPL in sections 1, 2, and 4.
3. You do not have to provide a copy of the Qwt license with programs that are linked to the Qwt library, nor do you have to identify the Qwt license in your program or documentation as required by section 6 of the LGPL.

TinyXML-2 License

TinyXML-2 is released under the zlib license:

This software is provided 'as-is', without any express or implied warranty. In no event will the authors be held liable for any damages arising from the use of this software.

Permission is granted to anyone to use this software for any purpose, including commercial applications, and to alter it and redistribute it freely, subject to the following restrictions:

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.

### CONTRIBUTORS:

### Project Team 2018-2020

Dave Rice, Project Manager
Alexander Ivash, Programmer
Ashley Blewer, Programmer
Jérôme Martinez, Programmer and Technical Consultant

#### And thanks to

Eddy Colloton
Briana Feston-Brunet
Genevieve Havemayer-King
Ben Turkus

#### And support from

Hirshhorn Museum and Sculpture Garden Time-based media conservation department with support from the Smithsonian Collection Care Initiative
New York Public Library

### BAVC Project Team 2016-2017

Ben Turkus, Preservation Project Manager
Kelly Haydon, Preservationist

### BAVC Project Team 2014-2015

Sam Long, Director of Technology & Preservation
Ben Turkus, Preservation Project Manager

### BAVC Project Team 2013

Moriah Ulinskas, Preservation Program Director
Lauren Sorensen, Preservation Program Manager
Jennifer Brice, Preservation Program Coordinator

### Technical Team 2013-2015

Dave Rice, Senior Consultant
Devon Landes, Technical Consultant
Mark Heath, Programmer and Technical Consultant
Jérôme Martinez, Programmer and Technical Consultant
Clément Bœsch, libavfilter Advisor
Ashley Blewer, UX & Design
Erik Piil, Testing and Documentation

### Other Resources

Bay Area Video Coalition Project Site:
http://www.bavc.org/qctools
BSD 3-Clause License:
http://opensource.org/licenses/BSD-3-Clause
National Endowment for the Humanities Grant Page:
http://www.neh.gov
Knight Foundation Prototype Fund
http://www.knightfoundation.org/funding-initiatives/knight-prototype-fund/
GNU GPLv3:
http://www.gnu.org/licenses/gpl.html
FFmpeg License Compliance:
http://www.ffmpeg.org/legal.html
Fabrice Bellard, FFmpeg owner:
http://www.bellard.org