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diff --git a/tools/fast_lossless/README.md b/tools/fast_lossless/README.md new file mode 100644 index 0000000..5f99c13 --- /dev/null +++ b/tools/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. |