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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
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| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
| commit | 6bf0a5cb5034a7e684dcc3500e841785237ce2dd (patch) | |
| tree | a68f146d7fa01f0134297619fbe7e33db084e0aa /third_party/jpeg-xl/experimental/fast_lossless/README.md | |
| parent | Initial commit. (diff) | |
| download | thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.tar.xz thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.zip | |
Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'third_party/jpeg-xl/experimental/fast_lossless/README.md')
| -rw-r--r-- | third_party/jpeg-xl/experimental/fast_lossless/README.md | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/third_party/jpeg-xl/experimental/fast_lossless/README.md b/third_party/jpeg-xl/experimental/fast_lossless/README.md new file mode 100644 index 0000000000..5f99c133d8 --- /dev/null +++ b/third_party/jpeg-xl/experimental/fast_lossless/README.md @@ -0,0 +1,10 @@ +# Fast-lossless +This is a script to compile a standalone version of a JXL encoder that supports +lossless compression, up to 16 bits, of 1- to 4-channel images and animations; it is +very fast and compression is slightly worse than PNG for 8-bit nonphoto content +and better or much better than PNG for all other situations. + +The main encoder is made out of two files, `lib/jxl/enc_fast_lossless.{cc,h}`; +it automatically selects and runs a SIMD implementation supported by your CPU. + +This folder contains an example build script and `main` file. |