本文件以英文提供。
许可证文本仅以原始语言版本为正式文本。
----------------------------------------------
THIRD-PARTY SOFTWARE NOTICES AND INFORMATION
==============================================
Reelm - Media Center for Windows
Notices version 1.3 - October 9, 2026
Publisher: Revolt.Inc (Italy) Contact: contact@rvsg.net Site: https://reelm.rvsg.net
This file is shipped inside the Reelm application package (THIRD-PARTY-NOTICES.txt,
in the installation folder) and is also published at
https://reelm.rvsg.net/en/legal/third-party-notices/.
Reelm incorporates the third-party components listed below. These components are
NOT owned by Revolt.Inc: each of them is the property of its respective copyright
holders and is licensed under its own terms, which are reproduced in full in
Section E. Nothing in the Reelm End User License Agreement (EULA) restricts the
rights granted to you by these licenses; where the EULA and the license of a
component conflict, the license of the component prevails for that component.
===============================================================================
TABLE OF CONTENTS
A. MEDIA PLAYBACK STACK (separate DLLs, dynamically linked)
1. FFmpeg n8.1.2 (LGPL-2.1-or-later, distributed under LGPL-3.0)
2. FFmpegInteropX 2.1.0 (Apache-2.0)
Libraries compiled into the FFmpeg DLLs:
3. GNU libiconv 1.16 (LGPL-2.0-or-later, library part; distributed
under LGPL-3.0)
4. OpenSSL 3.0.5 (Apache-2.0)
5. dav1d 1.0.0 (BSD-2-Clause)
6. libxml2 2.9.10 (MIT)
7. bzip2 / libbzip2 1.0.6 (bzip2 license, BSD-style)
8. zlib 1.2.11 (Zlib)
9. liblzma / XZ Utils 5.2.4 (public domain)
B. LIBRARIES COMPILED INTO REELM (vcpkg, statically linked)
10. SQLite, incl. FTS5 (Public Domain)
11. BLAKE3 (CC0-1.0 OR Apache-2.0)
12. nlohmann/json (MIT)
C. MICROSOFT COMPONENTS (NuGet)
13. C++/WinRT (MIT)
14. Windows Implementation Libraries / WIL (MIT)
15. Windows App SDK, incl. WinUI 3 (Microsoft Software License Terms)
16. Microsoft Edge WebView2 SDK (Microsoft terms)
D. ONLINE SERVICES
17. TMDB API attribution
E. FULL LICENSE TEXTS
E.1 GNU Lesser General Public License, version 3 (FFmpeg, GNU libiconv)
E.2 GNU General Public License, version 3 (incorporated by the LGPL v3)
E.3 GNU Lesser General Public License, version 2.1 (upstream, FFmpeg)
E.4 GNU Library General Public License, version 2 (upstream, libiconv
COPYING.LIB)
E.5 Apache License, Version 2.0
E.6 BSD 2-Clause License (dav1d)
E.7 MIT License (libxml2)
E.8 MIT License (nlohmann/json)
E.9 MIT License (C++/WinRT)
E.10 MIT License (WIL)
E.11 bzip2 / libbzip2 License
E.12 zlib License
===============================================================================
A. MEDIA PLAYBACK STACK (separate DLLs, dynamically linked)
Reelm plays media through the Windows media pipeline (MediaPlayer) together with
FFmpegInteropX and the FFmpeg libraries. The FFmpeg libraries are shipped in the
application package as SEPARATE dynamic-link libraries (avcodec-62.dll,
avformat-62.dll, avutil-60.dll, avfilter-11.dll, avdevice-62.dll,
swresample-6.dll, swscale-9.dll) and are loaded at run time. They are NOT
statically linked into the Reelm executable. No standalone ffmpeg, ffprobe or
ffplay program is shipped.
This software uses code of FFmpeg (https://ffmpeg.org) licensed under the
GNU Lesser General Public License, version 2.1 or later (LGPL-2.1-or-later).
FFmpeg is not owned by Revolt.Inc.
LICENSE VERSION USED BY REELM. FFmpeg is licensed under the GNU LGPL version 2.1
"or (at your option) any later version", and the GNU libiconv library under the
GNU Library GPL version 2 "or (at your option) any later version". Using that
option, Revolt.Inc distributes FFmpeg and GNU libiconv with Reelm under the
GNU Lesser General Public License, version 3 (LGPL-3.0), which incorporates the
terms of the GNU General Public License, version 3 (GPL-3.0). Both texts are
reproduced in full in Sections E.1 and E.2. The licenses under which the authors
release these libraries are reproduced for reference in Sections E.3 and E.4.
CORRESPONDING SOURCE. The complete corresponding source code of the FFmpeg build
shipped with Reelm (FFmpeg n8.1.2 as built by FFmpegInteropX 2.1.0, including the
LGPL library GNU libiconv and the other libraries compiled into the FFmpeg DLLs,
together with the build scripts and the configure options used) is published at:
https://reelm.rvsg.net/oss/ffmpeg/n8.1.2-ffmpeginteropx-8.1.2/
Upstream projects: https://git.ffmpeg.org/ffmpeg.git and
https://github.com/ffmpeginteropx/FFmpegInteropX
WRITTEN OFFER. For at least three (3) years from the date on which you received
this version of Reelm, Revolt.Inc will also provide the complete corresponding
source code of the LGPL components listed in this Section on request, at no
charge beyond the cost of physically performing the distribution.
Contact: contact@rvsg.net
YOUR RIGHTS UNDER THE LGPL. You may use, study, modify and redistribute FFmpeg
and GNU libiconv under the terms of the GNU LGPL version 3 (Sections E.1 and
E.2). As required by section 4 of the GNU LGPL version 3, the Reelm End User
License Agreement does not restrict modification of the portions of these
libraries contained in Reelm, or reverse engineering for debugging such
modifications (EULA Section 3.4).
## How to replace the FFmpeg libraries
Reelm uses FFmpeg as separate dynamic libraries (DLL files such as `avcodec-62.dll` and `avformat-62.dll`) inside its
installation folder. Under the GNU Lesser General Public License version 3, you may run Reelm with a modified version
of these libraries. This section explains how. The procedure was tested on
9 October 2026 with the Release build of Reelm 1.0.2.0 registered from a package
layout (not with the copy installed from the Microsoft Store), on Windows 11 x64. References in square brackets, such
as [MS-ADD], point to the Microsoft documentation listed under "Sources" at the end of this section.
The procedure creates a **second, separate copy** of Reelm next to the one installed from the Microsoft Store. The
Store version and its data are not changed. The copy has its own data (library, settings and logs start empty) and is
not updated by the Store.
### What you need
- Windows 10 or Windows 11, x64, and an administrator account to turn on Developer Mode.
- Reelm installed from the Microsoft Store.
- A build of FFmpeg for Windows x64 whose DLL files have **the same file names** as the ones shipped with Reelm (for
example `avcodec-62.dll`). The number in the file name is the major version of the library: a DLL with a different
number is not interface-compatible and Reelm will not start with it.
### 1. Get the source code and the build configuration
The complete corresponding source code of the FFmpeg build shipped with Reelm is available at
https://reelm.rvsg.net/oss/ffmpeg/n8.1.2-ffmpeginteropx-8.1.2/ . It contains FFmpeg 8.1.2 (git commit
`38b88335f99e76ed89ff3c93f877fdefce736c13`, tag `n8.1.2`, with no changes), the build scripts of FFmpegInteropX 2.1.0
used to compile it, and the source code of GNU libiconv 1.16, which is linked into the FFmpeg libraries. The exact
`configure` command line used for the shipped build is in the file `configure.txt` at the top of the archive
`ffmpeg-n8.1.2-ffmpeginteropx-8.1.2.tar.xz` (it is produced by `build-scripts/Build/FFmpegConfig.sh`, and
`README-PROVENANCE.txt` explains the contents of the archive); the shipped DLLs also contain it as text.
Make your changes and build FFmpeg for x64 with the same `configure` options, so that the result is
interface-compatible with the shipped libraries. The build scripts in the archive build FFmpeg the same way it was
built for Reelm.
### 2. Turn on Developer Mode
Developer Mode allows Windows to install an app from a folder of files instead of a signed package ([MS-DEV];
[MS-ADD], parameter `-Register`: "registers an application in development mode. You can use development mode to
install applications from a folder of unpackaged files").
1. Open **Settings**.
2. Go to **System > Advanced** and find the **For developers** section (before Windows 11 25H2: **System > For
developers**).
3. Turn on **Developer Mode** and confirm with **Yes**.
Turning on Developer Mode requires administrator access; on a device managed by an organization it may be disabled
([MS-DEV]).
### 3. Copy the installed Reelm folder
Open **Windows PowerShell** and find where Reelm is installed ([MS-GET]):
```powershell
(Get-AppxPackage -Name Revolt.Inc.MediaBoxMc).InstallLocation
```
Copy that whole folder to a new folder of your choice, for example `C:\ReelmModified`:
```powershell
$src = (Get-AppxPackage -Name Revolt.Inc.MediaBoxMc).InstallLocation
Copy-Item -Path $src -Destination C:\ReelmModified -Recurse
```
The destination folder must not exist yet. If it already exists, `Copy-Item` puts the copy inside it as a subfolder,
and the paths used in steps 4 to 6 no longer match. If `C:\ReelmModified` is left over from an earlier attempt, first
remove that copy as described in step 7 and delete the folder, or choose a different folder name and use it in all
the following steps.
In the copy, delete these files if they exist: `AppxSignature.p7x`, `AppxBlockMap.xml` and
`AppxMetadata\CodeIntegrity.cat`. They describe the original, signed files: the block map holds "cryptographic hashes
for each block of data" of the package, used to "check and re-validate the app content after the app deploys"
([MS-BLOCKMAP]), so they no longer match once you replace a DLL.
### 4. Give the copy its own identity
Open `C:\ReelmModified\AppxManifest.xml` in a text editor and make two changes:
1. In the `<Identity>` element, change the value of `Publisher` to a different name, for example
`Publisher="CN=Reelm modified"`. Leave `Name` as it is. A package identity is the combination of these attributes
([MS-ID]): with a different publisher, Windows installs the copy as a separate app next to the Store version.
Without this change the copy would have the same identity as the installed app, and you would have to uninstall the
Store version first, which deletes all its data: "The system removes the contents of these data stores completely
and cleanly when your app is uninstalled" ([MS-DATA]).
2. Find the GUID in `ToastActivatorCLSID="..."` and replace it, there and in the `<com:Class Id="..."/>` element that
has the same value, with one new GUID (in PowerShell: `[guid]::NewGuid()`). This keeps the notification
registration of the copy separate from the Store version.
Optionally, add a suffix to `DisplayName` (for example `Reelm (modified)`) to tell the two apps apart in the Start
menu.
### 5. Replace the libraries
Copy your DLL files into `C:\ReelmModified`, overwriting the files with the same names. You can replace one library or
all of them.
### 6. Register and start the copy
In Windows PowerShell ([MS-ADD]):
```powershell
Add-AppxPackage -Register C:\ReelmModified\AppxManifest.xml
```
Start the copy from the Start menu. Keep the folder `C:\ReelmModified` while the copy is installed: Windows runs the
app from it.
To check which FFmpeg version is in use: at every start Reelm writes a line like
`FFmpegInteropX activated | FFmpeg ... (avcodec 62.x.y, avformat 62.x.y)` in its log. The avcodec and avformat
version numbers are read from the libraries actually loaded. The log of the copy is in
`%LOCALAPPDATA%\Packages\<package family name of the copy>\LocalState\Logs\`; the package family name is shown by
`Get-AppxPackage -Name Revolt.Inc.MediaBoxMc -Publisher "CN=Reelm modified"` ([MS-GET]).
If Windows blocks the copy or a DLL, check Smart App Control in the Windows Security app: it blocks apps it considers
untrusted when "the app is unsigned, or the signature is invalid" ([MS-SAC]). A DLL you built yourself is not signed.
### 7. Remove the copy
```powershell
Get-AppxPackage -Name Revolt.Inc.MediaBoxMc -Publisher "CN=Reelm modified" | Remove-AppxPackage
```
**Warning:** always keep `-Publisher` in this command, with the same publisher you wrote in step 4. Without it,
`Get-AppxPackage -Name Revolt.Inc.MediaBoxMc` also returns the version installed from the Microsoft Store, and
`Remove-AppxPackage` uninstalls it too, together with all its data (library, settings and logs): "The system removes
the contents of these data stores completely and cleanly when your app is uninstalled" ([MS-DATA]).
With `-Publisher`, this removes only the copy and its data ([MS-REMOVE]); the Store version is not affected. Then delete the folder
`C:\ReelmModified`. You can turn Developer Mode off again in the same Settings page.
### Sources
- [MS-DEV] Settings for developers (Developer Mode): https://learn.microsoft.com/en-us/windows/advanced-settings/developer-mode
- [MS-ADD] Add-AppxPackage: https://learn.microsoft.com/en-us/powershell/module/appx/add-appxpackage
- [MS-GET] Get-AppxPackage: https://learn.microsoft.com/en-us/powershell/module/appx/get-appxpackage
- [MS-REMOVE] Remove-AppxPackage: https://learn.microsoft.com/en-us/powershell/module/appx/remove-appxpackage
- [MS-ID] Identity element of the package manifest: https://learn.microsoft.com/en-us/uwp/schemas/appxpackage/uapmanifestschema/element-identity
- [MS-BLOCKMAP] App package block map: https://learn.microsoft.com/en-us/uwp/schemas/blockmapschema/app-package-block-map
- [MS-DATA] Store and retrieve settings and other app data: https://learn.microsoft.com/en-us/windows/apps/develop/data/store-and-retrieve-app-data
- [MS-SAC] What is Smart App Control: https://support.microsoft.com/en-us/topic/what-is-smart-app-control-285ea03d-fa88-4d56-882e-6698afdb7003
PATENTS. Certain audio and video formats (for example H.264 and HEVC) may be
covered by third-party patents; the open source licenses grant no patent rights
for them. Reelm prefers the operating-system and hardware decoders where they are
available.
===============================================================================
1. FFMPEG
https://ffmpeg.org
Source code: https://git.ffmpeg.org/ffmpeg.git
Version n8.1.2 (Git commit 38b88335f99e76ed89ff3c93f877fdefce736c13):
libavcodec, libavformat, libavutil, libavfilter, libavdevice, libswresample,
libswscale, shipped as the DLLs listed in Section A.
Copyright (C) the FFmpeg developers. The individual copyright holders are
named in the copyright notices of the source files and in the Git history of
the project (https://git.ffmpeg.org/ffmpeg).
License: GNU Lesser General Public License, version 2.1 or later
(LGPL-2.1-or-later), distributed with Reelm under the GNU Lesser General
Public License, version 3 (see Section A). The shipped build is configured
with --disable-gpl and --disable-version3 and without --enable-nonfree: no
GPL-only and no non-free component is enabled. The full LGPL v3 and GPL v3
texts are reproduced in Sections E.1 and E.2, the LGPL v2.1 text in
Section E.3.
Corresponding source: https://reelm.rvsg.net/oss/ffmpeg/n8.1.2-ffmpeginteropx-8.1.2/
===============================================================================
2. FFMPEGINTEROPX
https://github.com/ffmpeginteropx/FFmpegInteropX
Version 2.1.0 (tag v2.1.0, Git commit
88428c66e106852338b48554a4a00c9e48da588f): FFmpegInteropX.dll, with the
FFmpeg build of the FFmpegInteropX.Desktop.FFmpeg 8.1.2 package.
Copyright (C) the FFmpegInteropX contributors. FFmpegInteropX was originally
based on the FFmpegInterop project by Microsoft Corporation.
License: Apache License, Version 2.0 (Apache-2.0). The project publishes no
NOTICE file. The full Apache 2.0 text is reproduced in Section E.5.
===============================================================================
The following libraries are compiled STATICALLY into the FFmpeg DLLs listed in
Section A (from the Libs/ source tree of FFmpegInteropX); they are not linked
into the Reelm executable. The versions and commits below are those of the
FFmpegInteropX 2.1.0 source tree (tag v2.1.0), from which the FFmpeg build of
the FFmpegInteropX.Desktop.FFmpeg 8.1.2 package was produced: the configure
line rebuilt from that tree matches the one recorded in the shipped DLLs.
Their source code is included in the corresponding source published at the
address given in Section A.
===============================================================================
3. GNU LIBICONV
https://www.gnu.org/software/libiconv/
Source used by FFmpegInteropX: https://github.com/ffmpeginteropx/libiconv
Version 1.16 (fork commit d601c3e8e69db72980edd4794e90177f0a74f86d),
compiled into avcodec-62.dll.
Copyright (C) 1999-2019 Free Software Foundation, Inc.
License: the GNU LIBICONV library and its header files are licensed under the
GNU Library General Public License, version 2 or (at your option) any later
version, which includes the GNU Lesser General Public License, version 3.
Reelm distributes it under the GNU Lesser General Public License, version 3
(see Section A), reproduced with the GPL v3 in Sections E.1 and E.2. The
library license file (COPYING.LIB) is reproduced in Section E.4 and the LGPL
v2.1 in Section E.3. The iconv command-line program, which is under the GNU
GPL, is NOT shipped.
Corresponding source: https://reelm.rvsg.net/oss/ffmpeg/n8.1.2-ffmpeginteropx-8.1.2/
===============================================================================
4. OPENSSL
https://www.openssl.org
Source code: https://github.com/openssl/openssl
Version 3.0.5 (tag openssl-3.0.5, Git commit
ad4910fad22d57c6d685b0ca83bdb7b2bf69d8fd), compiled into avformat-62.dll
and avutil-60.dll.
Copyright (c) 1998-2022 The OpenSSL Project
Copyright (c) 1995-1998 Eric A. Young, Tim J. Hudson
License: Apache License, Version 2.0 (Apache-2.0). The OpenSSL project
publishes no NOTICE file. The full Apache 2.0 text is reproduced in
Section E.5.
===============================================================================
5. DAV1D
https://code.videolan.org/videolan/dav1d
Version 1.0.0 (tag 1.0.0, Git commit
99172b11470776177939c3d2bc366fe8d904eab7), compiled into avcodec-62.dll.
Copyright (c) 2018-2019, VideoLAN and dav1d authors. All rights reserved.
License: BSD 2-Clause License (BSD-2-Clause), reproduced in Section E.6.
===============================================================================
6. LIBXML2
https://gitlab.gnome.org/GNOME/libxml2
Source used by FFmpegInteropX: https://github.com/ffmpeginteropx/libxml2
Version 2.9.10 (fork commit b885bd9c38318ccc969a79416a71cc8430d8bf19),
compiled into avformat-62.dll.
Copyright (C) 1998-2012 Daniel Veillard. All Rights Reserved.
License: MIT License, reproduced (with its copyright notice) in Section E.7.
===============================================================================
7. BZIP2 / LIBBZIP2
https://sourceware.org/bzip2/
Source used by FFmpegInteropX: https://github.com/ffmpeginteropx/bzip2
Version 1.0.6 (fork commit 8d1ad89f6cc129685bb9ea43e38cc25c97b9d2b4),
compiled into avformat-62.dll.
Copyright (C) 1996-2010 Julian R Seward. All rights reserved.
License: bzip2 license (BSD-style), reproduced in Section E.11. The library is
used unmodified as released by its author.
===============================================================================
8. ZLIB
https://www.zlib.net/
Source used by FFmpegInteropX: https://github.com/ffmpeginteropx/zlib
Version 1.2.11 (fork commit 8b861857759df1d1eafff995682b95e57657ed05),
compiled into avcodec-62.dll and avformat-62.dll.
Copyright (C) 1995-2017 Jean-loup Gailly and Mark Adler
License: zlib License, reproduced in Section E.12.
===============================================================================
9. LIBLZMA (XZ UTILS)
https://tukaani.org/xz/
Source used by FFmpegInteropX: https://github.com/ffmpeginteropx/liblzma
Version 5.2.4 (fork commit 76a4518a3b74da3a9e424d4d925c1738a7eefe46),
compiled into avcodec-62.dll and avformat-62.dll.
liblzma is in the public domain, as stated in the COPYING file of the
XZ Utils package used by FFmpegInteropX.
===============================================================================
B. LIBRARIES COMPILED INTO REELM (vcpkg, statically linked)
The following libraries are compiled from source via vcpkg and statically linked
into the Reelm application binaries.
===============================================================================
10. SQLITE (incl. FTS5)
https://www.sqlite.org
Version 3.53.1, built with the FTS5 full-text search extension.
SQLite is in the Public Domain. The authors disclaim copyright to the source
code. See https://www.sqlite.org/copyright.html. The FTS5 extension is part
of SQLite and shares the same public-domain dedication.
===============================================================================
11. BLAKE3
https://github.com/BLAKE3-team/BLAKE3
Version 1.8.5.
BLAKE3 (C) the BLAKE3 team. Dual-licensed, at your option, under the Creative
Commons CC0 1.0 Universal public-domain dedication (CC0-1.0) OR the Apache
License, Version 2.0 (Apache-2.0). The full Apache 2.0 text is reproduced in
Section E.5.
===============================================================================
12. NLOHMANN/JSON (JSON for Modern C++)
https://github.com/nlohmann/json
Version 3.12.0.
Copyright (c) 2013-2025 Niels Lohmann.
License: MIT License, reproduced in Section E.8.
===============================================================================
C. MICROSOFT COMPONENTS (NuGet)
===============================================================================
13. C++/WINRT (Microsoft.Windows.CppWinRT)
https://github.com/microsoft/cppwinrt
Version 3.0.260520.1.
Copyright (c) Microsoft Corporation.
License: MIT License, reproduced in Section E.9.
===============================================================================
14. WINDOWS IMPLEMENTATION LIBRARIES / WIL (Microsoft.Windows.ImplementationLibrary)
https://github.com/microsoft/wil
Version 1.0.260126.7.
Copyright (c) Microsoft Corporation. All rights reserved.
License: MIT License, reproduced in Section E.10.
===============================================================================
15. WINDOWS APP SDK, incl. WinUI 3 (Microsoft.WindowsAppSDK)
https://github.com/microsoft/WindowsAppSDK
Version 2.1.3 (meta-package; sub-packages 2.0.x-2.1.x).
Windows App SDK, including WinUI 3, (C) Microsoft Corporation. Used under the
Microsoft Software License Terms for the Windows App SDK (a proprietary
redistributable license, not an open source license). The applicable license
terms are provided by Microsoft with the SDK redistributable.
===============================================================================
16. MICROSOFT EDGE WEBVIEW2 SDK (Microsoft.Web.WebView2)
https://developer.microsoft.com/microsoft-edge/webview2/
Version 1.0.3719.77.
Microsoft Edge WebView2 (C) Microsoft Corporation, used under Microsoft's
proprietary redistribution terms. Microsoft.Web.WebView2.Core.dll is present
in the package; it is listed here for completeness of attribution.
===============================================================================
D. ONLINE SERVICES
===============================================================================
17. TMDB API ATTRIBUTION
https://www.themoviedb.org
Reelm uses The Movie Database (TMDB) API to retrieve film and television
metadata. Required attribution (verbatim):
This product uses the TMDB API but is not endorsed or certified by TMDB.
===============================================================================
E. FULL LICENSE TEXTS
The texts below are reproduced verbatim from the official sources named above
each of them.
===============================================================================
E.1 GNU LESSER GENERAL PUBLIC LICENSE, VERSION 3 (FFmpeg and GNU libiconv as distributed with Reelm)
Source: https://www.gnu.org/licenses/lgpl-3.0.txt
GNU LESSER GENERAL PUBLIC LICENSE
Version 3, 29 June 2007
Copyright (C) 2007 Free Software Foundation, Inc. <https://fsf.org/>
Everyone is permitted to copy and distribute verbatim copies
of this license document, but changing it is not allowed.
This version of the GNU Lesser General Public License incorporates
the terms and conditions of version 3 of the GNU General Public
License, supplemented by the additional permissions listed below.
0. Additional Definitions.
As used herein, "this License" refers to version 3 of the GNU Lesser
General Public License, and the "GNU GPL" refers to version 3 of the GNU
General Public License.
"The Library" refers to a covered work governed by this License,
other than an Application or a Combined Work as defined below.
An "Application" is any work that makes use of an interface provided
by the Library, but which is not otherwise based on the Library.
Defining a subclass of a class defined by the Library is deemed a mode
of using an interface provided by the Library.
A "Combined Work" is a work produced by combining or linking an
Application with the Library. The particular version of the Library
with which the Combined Work was made is also called the "Linked
Version".
The "Minimal Corresponding Source" for a Combined Work means the
Corresponding Source for the Combined Work, excluding any source code
for portions of the Combined Work that, considered in isolation, are
based on the Application, and not on the Linked Version.
The "Corresponding Application Code" for a Combined Work means the
object code and/or source code for the Application, including any data
and utility programs needed for reproducing the Combined Work from the
Application, but excluding the System Libraries of the Combined Work.
1. Exception to Section 3 of the GNU GPL.
You may convey a covered work under sections 3 and 4 of this License
without being bound by section 3 of the GNU GPL.
2. Conveying Modified Versions.
If you modify a copy of the Library, and, in your modifications, a
facility refers to a function or data to be supplied by an Application
that uses the facility (other than as an argument passed when the
facility is invoked), then you may convey a copy of the modified
version:
a) under this License, provided that you make a good faith effort to
ensure that, in the event an Application does not supply the
function or data, the facility still operates, and performs
whatever part of its purpose remains meaningful, or
b) under the GNU GPL, with none of the additional permissions of
this License applicable to that copy.
3. Object Code Incorporating Material from Library Header Files.
The object code form of an Application may incorporate material from
a header file that is part of the Library. You may convey such object
code under terms of your choice, provided that, if the incorporated
material is not limited to numerical parameters, data structure
layouts and accessors, or small macros, inline functions and templates
(ten or fewer lines in length), you do both of the following:
a) Give prominent notice with each copy of the object code that the
Library is used in it and that the Library and its use are
covered by this License.
b) Accompany the object code with a copy of the GNU GPL and this license
document.
4. Combined Works.
You may convey a Combined Work under terms of your choice that,
taken together, effectively do not restrict modification of the
portions of the Library contained in the Combined Work and reverse
engineering for debugging such modifications, if you also do each of
the following:
a) Give prominent notice with each copy of the Combined Work that
the Library is used in it and that the Library and its use are
covered by this License.
b) Accompany the Combined Work with a copy of the GNU GPL and this license
document.
c) For a Combined Work that displays copyright notices during
execution, include the copyright notice for the Library among
these notices, as well as a reference directing the user to the
copies of the GNU GPL and this license document.
d) Do one of the following:
0) Convey the Minimal Corresponding Source under the terms of this
License, and the Corresponding Application Code in a form
suitable for, and under terms that permit, the user to
recombine or relink the Application with a modified version of
the Linked Version to produce a modified Combined Work, in the
manner specified by section 6 of the GNU GPL for conveying
Corresponding Source.
1) Use a suitable shared library mechanism for linking with the
Library. A suitable mechanism is one that (a) uses at run time
a copy of the Library already present on the user's computer
system, and (b) will operate properly with a modified version
of the Library that is interface-compatible with the Linked
Version.
e) Provide Installation Information, but only if you would otherwise
be required to provide such information under section 6 of the
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===============================================================================
E.2 GNU GENERAL PUBLIC LICENSE, VERSION 3 (incorporated by the GNU LGPL version 3)
Source: https://www.gnu.org/licenses/gpl-3.0.txt
GNU GENERAL PUBLIC LICENSE
Version 3, 29 June 2007
Copyright (C) 2007 Free Software Foundation, Inc. <https://fsf.org/>
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Nothing in this License shall be construed as excluding or limiting
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12. No Surrender of Others' Freedom.
If conditions are imposed on you (whether by court order, agreement or
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13. Use with the GNU Affero General Public License.
Notwithstanding any other provision of this License, you have
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14. Revised Versions of this License.
The Free Software Foundation may publish revised and/or new versions of
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If the Program specifies that a proxy can decide which future
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Later license versions may give you additional or different
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15. Disclaimer of Warranty.
THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
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IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
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16. Limitation of Liability.
IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
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17. Interpretation of Sections 15 and 16.
If the disclaimer of warranty and limitation of liability provided
above cannot be given local legal effect according to their terms,
reviewing courts shall apply local law that most closely approximates
an absolute waiver of all civil liability in connection with the
Program, unless a warranty or assumption of liability accompanies a
copy of the Program in return for a fee.
END OF TERMS AND CONDITIONS
How to Apply These Terms to Your New Programs
If you develop a new program, and you want it to be of the greatest
possible use to the public, the best way to achieve this is to make it
free software which everyone can redistribute and change under these terms.
To do so, attach the following notices to the program. It is safest
to attach them to the start of each source file to most effectively
state the exclusion of warranty; and each file should have at least
the "copyright" line and a pointer to where the full notice is found.
<one line to give the program's name and a brief idea of what it does.>
Copyright (C) <year> <name of author>
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===============================================================================
E.3 GNU LESSER GENERAL PUBLIC LICENSE, VERSION 2.1 (upstream license of FFmpeg)
Source: https://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt
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That's all there is to it!
===============================================================================
E.4 GNU LIBRARY GENERAL PUBLIC LICENSE, VERSION 2 (upstream license of GNU libiconv, file COPYING.LIB)
Source: https://github.com/ffmpeginteropx/libiconv/blob/d601c3e8e69db72980edd4794e90177f0a74f86d/COPYING.LIB
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That's all there is to it!
===============================================================================
E.5 APACHE LICENSE, VERSION 2.0 (FFmpegInteropX, OpenSSL, BLAKE3)
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===============================================================================
E.6 BSD 2-CLAUSE LICENSE (dav1d, file COPYING)
Source: https://code.videolan.org/videolan/dav1d/-/blob/99172b11470776177939c3d2bc366fe8d904eab7/COPYING
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E.7 MIT LICENSE (libxml2, file Copyright)
Source: https://github.com/ffmpeginteropx/libxml2/blob/b885bd9c38318ccc969a79416a71cc8430d8bf19/Copyright
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===============================================================================
E.8 MIT LICENSE (nlohmann/json, file LICENSE.MIT)
Source: https://github.com/nlohmann/json/blob/v3.12.0/LICENSE.MIT
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===============================================================================
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SOFTWARE
===============================================================================
E.10 MIT LICENSE (WIL, file LICENSE)
Source: https://github.com/microsoft/wil/blob/master/LICENSE
MIT License
Copyright (c) Microsoft Corporation. All rights reserved.
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE
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E.11 BZIP2 / LIBBZIP2 LICENSE (version 1.0.6, file LICENSE)
Source: https://sourceware.org/git/?p=bzip2.git;a=blob_plain;f=LICENSE;hb=bzip2-1.0.6 (identical to https://github.com/ffmpeginteropx/bzip2/blob/8d1ad89f6cc129685bb9ea43e38cc25c97b9d2b4/LICENSE)
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This program, "bzip2", the associated library "libbzip2", and all
documentation, are copyright (C) 1996-2010 Julian R Seward. 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. 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.
3. Altered source versions must be plainly marked as such, and must
not be misrepresented as being the original software.
4. 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.
Julian Seward, jseward@bzip.org
bzip2/libbzip2 version 1.0.6 of 6 September 2010
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E.12 ZLIB LICENSE (zlib 1.2.11, file README, Copyright notice)
Source: https://github.com/ffmpeginteropx/zlib/blob/8b861857759df1d1eafff995682b95e57657ed05/README
Copyright notice:
(C) 1995-2017 Jean-loup Gailly and Mark Adler
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.
Jean-loup Gailly Mark Adler
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END OF THIRD-PARTY NOTICES