Adding upstream version 124.0.1.upstream/124.0.1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 137 insertions, 0 deletions

diff --git a/third_party/jpeg-xl/README.md b/third_party/jpeg-xl/README.md
new file mode 100644
index 0000000000..bcea13ff23
--- /dev/null
+++ b/third_party/jpeg-xl/README.md
@@ -0,0 +1,137 @@
+# JPEG XL reference implementation
+
+[![Build/Test](https://github.com/libjxl/libjxl/actions/workflows/build_test.yml/badge.svg)](
+https://github.com/libjxl/libjxl/actions/workflows/build_test.yml)
+[![Build/Test Cross](https://github.com/libjxl/libjxl/actions/workflows/build_test_cross.yml/badge.svg)](
+https://github.com/libjxl/libjxl/actions/workflows/build_test_cross.yml)
+[![Conformance](https://github.com/libjxl/libjxl/actions/workflows/conformance.yml/badge.svg)](
+https://github.com/libjxl/libjxl/actions/workflows/conformance.yml)
+[![CIFuzz](https://github.com/libjxl/libjxl/actions/workflows/fuzz.yml/badge.svg)](
+https://github.com/libjxl/libjxl/actions/workflows/fuzz.yml)
+[![Releases](https://github.com/libjxl/libjxl/actions/workflows/release.yaml/badge.svg)](
+https://github.com/libjxl/libjxl/actions/workflows/release.yaml)
+[![Doc](https://readthedocs.org/projects/libjxl/badge/?version=latest)](
+https://libjxl.readthedocs.io/en/latest/?badge=latest)
+[![OpenSSF Best Practices](https://www.bestpractices.dev/projects/7845/badge)](
+https://www.bestpractices.dev/projects/7845)
+[![OpenSSF Scorecard](https://api.securityscorecards.dev/projects/github.com/libjxl/libjxl/badge)](
+https://securityscorecards.dev/viewer/?uri=github.com/libjxl/libjxl)
+[![codecov](https://codecov.io/gh/libjxl/libjxl/branch/main/graph/badge.svg)](
+https://codecov.io/gh/libjxl/libjxl)
+
+<img src="doc/jxl.svg" width="100" align="right" alt="JXL logo">
+
+This repository contains a reference implementation of JPEG XL (encoder and
+decoder), called `libjxl`. This software library is
+[used by many applications that support JPEG XL](doc/software_support.md).
+
+JPEG XL was standardized in 2022 as [ISO/IEC 18181](https://jpeg.org/jpegxl/workplan.html).
+The [core codestream](doc/format_overview.md#codestream-features) is specified in 18181-1,
+the [file format](doc/format_overview.md#file-format-features) in 18181-2.
+[Decoder conformance](https://github.com/libjxl/conformance) is defined in 18181-3,
+and 18181-4 is the [reference software](https://github.com/libjxl/libjxl).
+
+The library API, command line options, and tools in this repository are subject
+to change, however files encoded with `cjxl` conform to the JPEG XL specification
+and can be decoded with current and future `djxl` decoders or the `libjxl` decoding library.
+
+## Installation
+
+In most Linux distributions, installing `libjxl` is just a matter of using the package management system.
+For example in Debian-based distributions: `apt install libjxl-tools` will install `cjxl` and `djxl`
+and other tools like `benchmark_xl` are available in the package `libjxl-devtools`.
+On MacOS, you can use [Homebrew](https://brew.sh/): `brew install jpeg-xl`.
+
+[![libjxl packaging status](https://repology.org/badge/vertical-allrepos/libjxl.svg?exclude_unsupported=1&columns=3&exclude_sources=modules,site&header=libjxl%20packaging%20status)](https://repology.org/project/libjxl/versions)
+
+From the [releases page](https://github.com/libjxl/libjxl/releases/) the following can be downloaded:
+ - Windows binaries 
+ - Debian and Ubuntu .deb packages 
+
+Of course you can also [build libjxl from sources](BUILDING.md).
+
+
+## Usage
+
+To encode a source image to JPEG XL with default settings:
+
+```bash
+cjxl input.png output.jxl
+```
+
+The desired visual fidelity can be selected using the `--distance` parameter
+(in units of just-noticeable difference, where 0 is lossless and the most useful lossy range is 0.5 .. 3.0),
+or using `--quality` (on a scale from 0 to 100, roughly matching libjpeg).
+The [encode effort](doc/encode_effort.md) can be selected using the `--effort` parameter.
+
+For more settings run `cjxl --help` or for a full list of options
+run `cjxl -v -v --help`.
+
+To decode a JPEG XL file run:
+
+```bash
+djxl input.jxl output.png
+```
+
+When possible `cjxl`/`djxl` are able to read/write the following
+image formats: .exr, .gif, .jpeg/.jpg, .pfm, .pgm/.ppm, .pgx, .png.
+Specifically for JPEG files, the default `cjxl` behavior is to apply lossless
+recompression and the default `djxl` behavior is to reconstruct the original
+JPEG file (when the extension of the output file is .jpg).
+
+### Benchmarking
+
+For speed benchmarks on single images in single or multi-threaded decoding
+`djxl` can print decoding speed information. See `djxl --help` for details
+on the decoding options and note that the output image is optional for
+benchmarking purposes.
+
+For more comprehensive benchmarking options, see the
+[benchmarking guide](doc/benchmarking.md).
+
+### Library API
+
+Besides the `libjxl` library [API documentation](https://libjxl.readthedocs.io/en/latest/),
+there are [example applications](examples/) and [plugins](plugins/) that can be used as a reference or
+starting point for developers who wish to integrate `libjxl` in their project.
+
+
+## License
+
+This software is available under a 3-clause BSD license which can be found in
+the [LICENSE](LICENSE) file, with an "Additional IP Rights Grant" as outlined in
+the [PATENTS](PATENTS) file.
+
+Please note that the PATENTS file only mentions Google since Google is the legal
+entity receiving the Contributor License Agreements (CLA) from all contributors
+to the JPEG XL Project, including the initial main contributors to the JPEG XL
+format: Cloudinary and Google.
+
+## Additional documentation
+
+### Codec description
+
+*   [JPEG XL Format Overview](doc/format_overview.md)
+*   [Introductory paper](https://www.spiedigitallibrary.org/proceedings/Download?fullDOI=10.1117%2F12.2529237) (open-access)
+*   [XL Overview](doc/xl_overview.md) - a brief introduction to the source code modules
+*   [JPEG XL white paper](https://ds.jpeg.org/whitepapers/jpeg-xl-whitepaper.pdf)
+*   [JPEG XL official website](https://jpeg.org/jpegxl)
+*   [JPEG XL community website](https://jpegxl.info)
+
+### Development process
+
+*   [More information on testing/build options](doc/building_and_testing.md)
+*   [Git guide for JPEG XL](doc/developing_in_github.md) - for developers
+*   [Fuzzing](doc/fuzzing.md) - for developers
+*   [Building Web Assembly artifacts](doc/building_wasm.md)
+*   [Test coverage on Codecov.io](https://app.codecov.io/gh/libjxl/libjxl) - for
+    developers
+*   [libjxl documentation on readthedocs.io](https://libjxl.readthedocs.io/)
+
+### Contact
+
+If you encounter a bug or other issue with the software, please open an Issue here.
+
+There is a [subreddit about JPEG XL](https://www.reddit.com/r/jpegxl/), and
+informal chatting with developers and early adopters of `libjxl` can be done on the
+[JPEG XL Discord server](https://discord.gg/DqkQgDRTFu).