chore: relicense under the Apache License 2.0

AGENTS.md

@@ -85,6 +85,10 @@ as `iterframes.iterframes`, and `iterframes/__init__.py` wraps its
   linker. `build.rs` finds `bash.exe` on `PATH` itself, since Rust would
   otherwise pick WSL's from the system directory.
 - Keep the build LGPL: never pass `--enable-gpl` or `--enable-nonfree`.
+- iterframes itself is Apache-2.0. The wheels carry the licenses of what
+  they bundle, listed in `NOTICE` with their texts in `licenses/`: when a
+  version in `scripts/build-ffmpeg.sh` changes, or a library is added,
+  update both.
 - Hardware decoding (`device="mps"` / `"cuda"`, PyTorch's names, mapped
   to FFmpeg's in `hardware_devices` in `src/lib.rs`): VideoToolbox on
   macOS; on Linux and Windows

Cargo.toml

@@ -6,7 +6,7 @@ rust-version = "1.89"
 description = "Iterate over the frames of a video as NumPy arrays, decoded on a background thread while you process them"
 homepage = "https://github.com/alesanfra/iterframes"
 repository = "https://github.com/alesanfra/iterframes"
-license = "LGPL-3.0-only"
+license = "Apache-2.0"
 publish = false
 
 [lib]

NOTICE

@@ -0,0 +1,19 @@
+iterframes
+Copyright 2020 Alessio Sanfratello
+
+This product is licensed under the Apache License, Version 2.0, found in
+the LICENSE file.
+
+The wheels also include software by third parties, under their own
+licenses, whose texts are in the licenses directory:
+
+- FFmpeg 9.0.2 (https://ffmpeg.org/), under the GNU Lesser General
+  Public License, version 2.1 or later: licenses/FFmpeg-LGPL-2.1.txt.
+  It is built without its GPL and nonfree parts. Its source and the
+  script that builds it, scripts/build-ffmpeg.sh, are available, so that
+  it can be modified, rebuilt, and relinked.
+- dav1d 1.5.4 (https://code.videolan.org/videolan/dav1d), under the BSD
+  2-clause license: licenses/dav1d-BSD-2-Clause.txt.
+- nv-codec-headers 13.0.19.0 (https://github.com/FFmpeg/nv-codec-headers),
+  in the Linux and Windows wheels only, under the MIT license:
+  licenses/nv-codec-headers-MIT.txt.

README.md

@@ -179,7 +179,10 @@ lists features that are waiting for someone to build them.
 
 ## License
 
-iterframes is released under the [LGPL-3.0](https://github.com/alesanfra/iterframes/blob/main/LICENSE). The wheels include
-[FFmpeg](https://ffmpeg.org/), built under the LGPL, and
+iterframes is released under the [Apache License 2.0](https://github.com/alesanfra/iterframes/blob/main/LICENSE).
+The wheels include [FFmpeg](https://ffmpeg.org/), built under the LGPL, and
 [dav1d](https://code.videolan.org/videolan/dav1d), under the BSD 2-clause
-license.
+license. They are listed in
+[`NOTICE`](https://github.com/alesanfra/iterframes/blob/main/NOTICE), with
+their license texts in
+[`licenses/`](https://github.com/alesanfra/iterframes/tree/main/licenses).

licenses/dav1d-BSD-2-Clause.txt

@@ -0,0 +1,23 @@
+Copyright © 2018-2025, VideoLAN and dav1d authors
+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.
+
+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.

licenses/nv-codec-headers-MIT.txt

@@ -0,0 +1,26 @@
+nv-codec-headers 13.0.19.0 (https://github.com/FFmpeg/nv-codec-headers),
+compiled into FFmpeg in the Linux and Windows wheels.
+
+Copyright (c) 2016
+Copyright (c) 2010-2024 NVIDIA Corporation
+
+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.

pyproject.toml

@@ -9,8 +9,8 @@ authors = [
 ]
 description = "Iterate over the frames of a video as NumPy arrays, decoded on a background thread while you process them"
 readme = "README.md"
-license = "LGPL-3.0-only"
-license-files = ["LICENSE"]
+license = "Apache-2.0"
+license-files = ["LICENSE", "NOTICE", "licenses/*"]
 keywords = [
     "video", "decoder", "ffmpeg", "frames", "numpy", "video-reader",
     "pytorch", "deep-learning", "computer-vision", "nvdec", "videotoolbox",

web/index.html

@@ -510,7 +510,7 @@ <h2>Start reading frames</h2>
 <footer class="site-foot">
   <div class="wrap foot-in">
     <p>
-      iterframes is <a href="https://github.com/alesanfra/iterframes/blob/main/LICENSE">LGPL-3.0</a>.
+      iterframes is <a href="https://github.com/alesanfra/iterframes/blob/main/LICENSE">Apache 2.0</a>.
       The wheels bundle <a href="https://ffmpeg.org/">FFmpeg</a>, built under the LGPL, and
       <a href="https://code.videolan.org/videolan/dav1d">dav1d</a>, under the BSD 2-clause license.
     </p>