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libjxl: baixar versions anteriors

JPEG XL image format reference implementation

libjxl Convertidors multimèdia #41 Convertidors multimèdia

Aquí hi ha 3 versions de libjxl, des de 9 de setembre del 2025 fins a l’actual, 0.12.0. Cadascuna enllaça amb els instal·ladors del mateix desenvolupador.

2025: 1 1 25 2026: 2 2 26
VersióDataMidaFitxers
0.12.0Darrera versió 2 de juliol del 2026 — 64 bits ZIP32 bits ZIP
Notes de la versió
Added
- A new buffering flag is now available in the CLI, alongside support for
streaming input with buffered output. (#4634)
- Introduced the new jxltran tool, which supports extracting codestreams from
jxlp boxes and packing raw codestreams into jxlc boxes. (#4161, #4165,
#4168, #4196)
- Added the --reconstruct_jpeg flag to djxl to losslessly reconstruct a
JPEG and fail if impossible (mutually exclusive with --pixels_to_jpeg and
--jpeg_quality). (#4498)
- Added JXL_DEC_UNSUPPORTED (kUnsupported) status code to the core API to
better indicate when requested features or operations are not supported by
the decoder. (#4390)
- tools: added support for ProPhoto (#4824) and Adobe98 / AdobeRGB
(#4199) color space names in CLI arguments (cjxl / djxl).
- decoder API: support for out-of-order jxlp boxes (ftyp minor version 1).
(#4741)
- encoder API: JXL_ENC_FRAME_SETTING_OUTPUT_MODE frame setting to control how
the codestream is written to the output. Mode 0 (default) buffers the output
internally and produces a normally ordered, progressively decodable
codestream. Mode 1 uses seek-based streaming (reduces peak memory for large
images, requires a seekable output stream). Mode 2 uses out-of-order jxlp
boxes (reduces peak memory without requiring seeking, but requires a decoder
that supports ftyp minor version 1). (#4745)

Changed
- Major overhaul for faster decoding and progressive lossless. (#4201, #4641,
#4811)
- Progressive lossless images are around 30-40% smaller and are now
multithreaded increasing encoding performance by 2-5x.
- Lossless images with faster decoding are now 30-80% smaller and their
decoding speeds properly scale as the faster decoding level increases
from 1-4.
- Disabled global palette for progressive images, fixing glitchy progressive
loading for indexed/low color images and restoring transparency support
(Note: this causes a density/speed penalty for very low bit-depth images).
- Numerous speed/memory usage improvements.
- Improved encoding speeds by SIMDifying EstimateCost (+5% performance) and
speeding up uint-coding trials. (#4322, #4330)
- Accelerated modular encoding and decoding via SIMD optimizations for
forward RCT transforms and upsampling (up to 4x faster). (#4332, #4384)
- Massive overhaul to histogram encoding and decoding, providing significant
performance optimizations for modular mode. (#4123, #4132, #4136, #4185)
- Tweaked JPEG recompression logic to improve density and efficiency. (#4202)
- Fixed performance regressions in fast lossless modes and optimized
text-like patch detection. (#4341, #4448)
- Refined x86 XCR0 CPU checks to prevent issues on specific hardware.
(#4449)
- Migrated Windows release builds to use clang-cl, which improves
performance across the board. (#4529)
- Improved use of SIMD in tree construction hot loop. (#4720)
- Improved spline caching. (#4857)
- Postponed JPEG coeffs allocation until first SOS. (#4863)
- The default buffering level in the CLI has been changed to 2, greatly
improving encoding performance for images under 2048x2048. Additionally,
output is buffered by default to allow basic progressive loading. (#4635,
#4637, #4642)
- Better Density/Speed tradeoff for lossless effort levels. (#4236)
- Improved visual quality of gradients by using channel-offset blue noise
dithering instead of bayer when decoding to lower bitdepths. (#4305, #4559)
- Lossy modular encoding quality/density improvements. (#3575)
- local_tone_map tool: Now produces SDR output in the DisplayP3 color space
rather than Rec2020. Also added an optional third command-line argument to
dump the HDR image as a raw rgba1010102 file for use with the libultrahdr
example app. (#4210)
- Significant improvements to EXR input/output handling for cjxl. Now supports
reading float32, multilayer, per-channel bitdepth, and writing greyscale
EXR images. (#4312, #4460)
- The decoder API for JxlDecoderSetImageOutBuffer and
JxlDecoderSetPreviewOutBuffer has been clarified; their timeframes are now
non-intersecting, 
0.11.2 10 de febrer del 2026 — 64 bits ZIP
0.11.1 9 de setembre del 2025 — 64 bits ZIP

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