issue_owner_repo listlengths 2 2 | issue_body stringlengths 0 262k ⌀ | issue_title stringlengths 1 1.02k | issue_comments_url stringlengths 53 116 | issue_comments_count int64 0 2.49k | issue_created_at stringdate 1999-03-17 02:06:42 2025-06-23 11:41:49 | issue_updated_at stringdate 2000-02-10 06:43:57 2025-06-23 11:43:00 | issue_html_url stringlengths 34 97 | issue_github_id int64 132 3.17B | issue_number int64 1 215k |
|---|---|---|---|---|---|---|---|---|---|
[
"libjxl",
"libjxl"
] | May I ask why the current 'latest' release of JXL (0.8.2; back in june) only has code but no compiled packages?
Whereas the previous versions (0.8.1, 0.8.0, etc) have DLLs and compiles for the major systems (windows, linux, etc).
As stated on the page "Always prefer to use the latest release", but without the compile... | Why does current release not have compiled packages? | https://api.github.com/repos/libjxl/libjxl/issues/2821/comments | 3 | 2023-09-23T15:03:29Z | 2023-09-25T10:27:04Z | https://github.com/libjxl/libjxl/issues/2821 | 1,909,901,299 | 2,821 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
I'm writing a script to automate the conversions from jxl to other formats. For some jxl files, it will decode into two files with ec0 and ec1 in the filename, and the one with ec1 is empty image. When this happens, I don't see any error message.
**To Reproduce**
`djxl IMG_0001.jxl IMG_000... | Some jxl files will be decoded into two files with ec0 and ec1 | https://api.github.com/repos/libjxl/libjxl/issues/2813/comments | 2 | 2023-09-21T06:07:15Z | 2023-09-22T05:16:50Z | https://github.com/libjxl/libjxl/issues/2813 | 1,906,182,576 | 2,813 |
[
"libjxl",
"libjxl"
] | Hi I tried to compress a lossless image progressivly, but the result is more than twice the file size of the lossless version without progressive:
```
21885191 Red_Fuji_southern_wind_clear_morning.png
11719861 Red_Fuji_southern_wind_clear_morning.jxl
26925947 Red_Fuji_southern_wind_clear_morning-progressive.jxl
... | progressive encoding of lossless images is broken | https://api.github.com/repos/libjxl/libjxl/issues/2812/comments | 6 | 2023-09-21T04:46:02Z | 2025-06-11T19:25:34Z | https://github.com/libjxl/libjxl/issues/2812 | 1,906,093,656 | 2,812 |
[
"libjxl",
"libjxl"
] | Hey, it's Pedro (see #2485, #2684) and I've got another security suggestion.
**Is your feature request related to a problem? Please describe.**
Supply-chain security requires us to monitor a bunch of different settings and behaviors. The OpenSSF has therefore developed [Scorecard](https://github.com/ossf/scorecard)... | Add the Scorecard Action workflow | https://api.github.com/repos/libjxl/libjxl/issues/2796/comments | 0 | 2023-09-15T20:46:42Z | 2023-09-18T11:53:19Z | https://github.com/libjxl/libjxl/issues/2796 | 1,899,059,107 | 2,796 |
[
"libjxl",
"libjxl"
] | examples/encode_oneshot.cc line 62
Code:
size_t readsize = fread(data.data(), 1, size, file);
if ((long)readsize != size) {
return false; // <-- missing fclose
}
| missing fclose | https://api.github.com/repos/libjxl/libjxl/issues/2789/comments | 1 | 2023-09-13T07:51:13Z | 2023-09-19T07:16:18Z | https://github.com/libjxl/libjxl/issues/2789 | 1,893,953,828 | 2,789 |
[
"libjxl",
"libjxl"
] | We at Gumlet.com are huge fan of this library and we have used this in our latest support for JPEG-XL: https://www.gumlet.com/blog/jpeg-xl/
We would like to sponsor this library in exchange for our logo/link. Can someone let us know if that is possible?
Thanks, | Is there a way to sponsor this library? | https://api.github.com/repos/libjxl/libjxl/issues/2784/comments | 3 | 2023-09-10T14:36:22Z | 2023-10-05T09:36:44Z | https://github.com/libjxl/libjxl/issues/2784 | 1,889,169,453 | 2,784 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
cjxl tool can not set quality option.
**Environment**
- OS: [linux]
- cjxl/djxl version string: cjxl v0.8.2 [AVX2,SSE4,SSSE3,SSE2]
# cjxl --version
cjxl v0.8.2 [AVX2,SSE4,SSSE3,SSE2] Copyright (c) the JPEG XL Project
**Additional context**
encode image failed with cmd:
```
c... | cjxl[v0.8.2] quality option not work | https://api.github.com/repos/libjxl/libjxl/issues/2780/comments | 7 | 2023-09-08T04:07:08Z | 2024-04-11T12:00:22Z | https://github.com/libjxl/libjxl/issues/2780 | 1,886,899,323 | 2,780 |
[
"libjxl",
"libjxl"
] | Hi, I would like to read more about how meta-adaptive ANS trees work and how is it different from a MANIAC tree. The comment on this https://gitlab.com/wg1/jpeg-xl/-/issues/55#note_432479750 by @jonsneyers did help me get an insight but it will be really helpful if someone could provide some resources or an explanatio... | Meta Adaptive ANS | https://api.github.com/repos/libjxl/libjxl/issues/2779/comments | 1 | 2023-09-07T16:41:19Z | 2024-04-17T08:41:51Z | https://github.com/libjxl/libjxl/issues/2779 | 1,886,240,339 | 2,779 |
[
"libjxl",
"libjxl"
] | Consider a landscape (4000x3000) `orig.jpg`,
```bash
$ du orig.jpg
1792 orig.jpg
```
and apply two transformations:
1. Rotation then lossy conversion to jxl
2. Lossy conversion to jxl then rotation
```bash
$ convert -rotate 90 orig.jpg rot.jpg
$ cjxl -d 2 --lossless_jpeg=0 rot.jpg rot-jxl.jxl
$ cjxl... | Optimize an existing jxl image | https://api.github.com/repos/libjxl/libjxl/issues/2778/comments | 2 | 2023-09-07T14:39:34Z | 2023-09-29T07:16:54Z | https://github.com/libjxl/libjxl/issues/2778 | 1,886,036,413 | 2,778 |
[
"libjxl",
"libjxl"
] | It looks like cjxl hangs during the encoding of some 32 bits float images. When using distance=0 with a 32 bits float .pfm file I get following error after hanging for a while:
`cjxl -v --distance=0 slice.pfm compressed_0.jxl`
```
JPEG XL encoder v0.9.0 5d20fbe1 [NEON]
Read 4112x3008 image, 49475600 bytes, 2255.7... | Fails to compress some 32bits float images with lossless enabled | https://api.github.com/repos/libjxl/libjxl/issues/2776/comments | 3 | 2023-09-05T19:25:29Z | 2025-03-01T18:37:38Z | https://github.com/libjxl/libjxl/issues/2776 | 1,882,596,164 | 2,776 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
First of all: Not sure if this is a bug, or more of an observation of "intended" behaviour.
ApplyLZ77_Optimal can be *extremely* slow on some Inputs in combination with Predictor 0.
Not too bad, since it is only used on -e 9 and -P 0 is uncommon/rarely useful, but it "hurt" me when running... | ApplyLZ77_Optimal: Greatly inflated processing time in combination with -P 0 compared to other predictors | https://api.github.com/repos/libjxl/libjxl/issues/2775/comments | 0 | 2023-09-05T12:14:38Z | 2023-09-05T12:31:59Z | https://github.com/libjxl/libjxl/issues/2775 | 1,881,856,868 | 2,775 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
On certain jpeg images, `cjxl` will enter (what seems to be) an infinite loop when called with `--brotli_effort` set to `0` or `1`
**To Reproduce**
`cjxl --brotli_effort=0 --disable_output a.jpg`
```
JPEG XL encoder v0.8.2 [AVX2,SSE4,SSSE3,SSE2]
Note: Implicit-default for JPEG is lossless-t... | cjxl hangs on certain images with --brotli_effort set to 0 or 1 | https://api.github.com/repos/libjxl/libjxl/issues/2769/comments | 1 | 2023-09-03T17:40:30Z | 2023-09-04T07:06:05Z | https://github.com/libjxl/libjxl/issues/2769 | 1,879,177,899 | 2,769 |
[
"libjxl",
"libjxl"
] | cjxl behaves inconsistently if different bit depths are defined in sBIT PNG chunk.
If the bit depths of R, G, B channels are not equal, the sBIT chunk is silently ignored.
If the alpha bit depth differs from the color channels, cjxl refuses to decode the PNG file.
Here are few example files.
The sBIT chunk is... | Inconsistent handling of sBIT values | https://api.github.com/repos/libjxl/libjxl/issues/2764/comments | 0 | 2023-08-30T14:59:41Z | 2023-09-04T09:21:48Z | https://github.com/libjxl/libjxl/issues/2764 | 1,873,860,723 | 2,764 |
[
"libjxl",
"libjxl"
] | Please add binaries for the new version
| package v0.8.2 | https://api.github.com/repos/libjxl/libjxl/issues/2757/comments | 3 | 2023-08-28T21:03:40Z | 2023-09-25T10:27:35Z | https://github.com/libjxl/libjxl/issues/2757 | 1,870,503,069 | 2,757 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
libjxl doesn't build on ARM64 using GCC-11 or GCC-12
It appears there are several implicit casts between bool and boolean through the codebase - unsure why this is only triggered on ARM?
```
/io/libjxl/lib/extras/enc/jpg.cc:250:27: error: cannot convert ‘bool’ to ‘boolean’ in assignment
... | ARM build broken (bool / boolean casts) | https://api.github.com/repos/libjxl/libjxl/issues/2752/comments | 3 | 2023-08-25T19:25:55Z | 2023-09-04T16:00:46Z | https://github.com/libjxl/libjxl/issues/2752 | 1,867,579,900 | 2,752 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
Libjxl fails to build on i686-w64-mingw32 due to a bug in highway introduced in google/highway@9b80d372f5bd1c51aa806ede430a48b060180657. See: https://github.com/google/highway/issues/1658
It's been fixed in google/highway@a23bfa74865fb426596568749ef62d760a011819. However, the submodule needs to... | Build failure in win32 due to highway regression | https://api.github.com/repos/libjxl/libjxl/issues/2743/comments | 2 | 2023-08-19T12:58:55Z | 2024-03-04T10:12:57Z | https://github.com/libjxl/libjxl/issues/2743 | 1,857,703,922 | 2,743 |
[
"libjxl",
"libjxl"
] | **Is your feature request related to a problem? Please describe.**
ImageJ, and its helper app Fiji are used extensively in microscopy, the backbone of biology research. Researchers generally store images from microscope cameras in .tiff format, but there are a lot of little image manipulations necessary to even view t... | JPEG-XL support in Fiji/ImageJ | https://api.github.com/repos/libjxl/libjxl/issues/2740/comments | 3 | 2023-08-17T21:51:51Z | 2024-07-11T11:16:59Z | https://github.com/libjxl/libjxl/issues/2740 | 1,855,754,904 | 2,740 |
[
"libjxl",
"libjxl"
] | Currently `--upsampling_mode=0` will only take effect with `--already_downsampled`, forcing you to downscale the image beforehand if it was previously enlarged rather than simply using `--resampling=4 --upsampling_mode=0` | Upsampling mode should apply during normal resampling | https://api.github.com/repos/libjxl/libjxl/issues/2738/comments | 2 | 2023-08-17T02:37:09Z | 2024-01-18T07:14:50Z | https://github.com/libjxl/libjxl/issues/2738 | 1,854,145,604 | 2,738 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
When using --already_downsampled, patches will be blank instead of scaling to the new size
**To Reproduce**
Steps to reproduce the behavior:
`cjxl Test.png Test.jxl -d 0 -e 5 --resampling=2 --already_downsampled`
**Expected behavior**
Patches should scale correctly to the new output resolut... | Using "already_downsampled" Breaks Patches | https://api.github.com/repos/libjxl/libjxl/issues/2737/comments | 0 | 2023-08-17T02:30:45Z | 2023-08-17T13:31:40Z | https://github.com/libjxl/libjxl/issues/2737 | 1,854,141,465 | 2,737 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
Linker complains about undefined references in libjpegli-static.a:
```
...
[274/277] Linking CXX executable tools\djpegli.exe
FAILED: tools/djpegli.exe
cmd.exe /C "cd . && G:\MABS\msys64\mingw32\bin\ccache.exe g++ -fstack-protector-strong -mtune=generic -O2 -pipe -mthreads -fno-rtti -funwin... | MSYS2/MinGW, GCC 13.1: undefined references in libjpegli-static.a | https://api.github.com/repos/libjxl/libjxl/issues/2736/comments | 3 | 2023-08-16T11:24:04Z | 2023-08-23T16:11:32Z | https://github.com/libjxl/libjxl/issues/2736 | 1,853,036,280 | 2,736 |
[
"libjxl",
"libjxl"
] | **Is your feature request related to a problem? Please describe.**
Currently cjxl allow muxing one single JPEG bitstream into a target JXL container. It would be nice to have the option to specify multiple JPEG bitstream. This would be somewhat akin to ffmpeg and mjpeg:
`ffmpeg -framerate 30 -i input%03d.jpg -cod... | Muxing multiple JPEG into a JXL animation | https://api.github.com/repos/libjxl/libjxl/issues/2727/comments | 3 | 2023-08-14T08:16:53Z | 2024-08-04T02:52:19Z | https://github.com/libjxl/libjxl/issues/2727 | 1,849,265,603 | 2,727 |
[
"libjxl",
"libjxl"
] | **Is your feature request related to a problem? Please describe.**
Currently when doing lossy encoding of images, image data is not preserved. While this is useful in it's own right, this is behaviour that should be controllable. Below is an example image properties of an AdobeRGB image before and after encoded with l... | Add flag for controlling ICC | https://api.github.com/repos/libjxl/libjxl/issues/2725/comments | 5 | 2023-08-13T22:10:23Z | 2024-04-22T12:31:39Z | https://github.com/libjxl/libjxl/issues/2725 | 1,848,759,789 | 2,725 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
I used to build libjxl without `-DJPEGXL_STATIC` but have been long turning that on (maybe around 4 months ago). I tried turning it off again by not specifying that flag, but the libjxl failed to build. I've tested this both with MSVC and Clang-Cl, and both failed to build djxl and cjxl in the lin... | Failed to build libjxl without `-DJPEGXL_STATIC` on MSVC | https://api.github.com/repos/libjxl/libjxl/issues/2723/comments | 1 | 2023-08-09T18:07:37Z | 2024-07-02T15:04:21Z | https://github.com/libjxl/libjxl/issues/2723 | 1,843,766,314 | 2,723 |
[
"libjxl",
"libjxl"
] | libjxl-main/tools/fast_lossless/pam-input.h line 254
Code:
*out = (unsigned char*)malloc(*outsize);
if (!(*out)) return false; // <-- missing fclose
size_t readsize;
readsize = fread(*out, 1, *outsize, file);
fclose(file);
if (readsize != *outsize) return false;
return true;
}
| missing fclose | https://api.github.com/repos/libjxl/libjxl/issues/2721/comments | 1 | 2023-08-09T13:38:12Z | 2023-08-09T15:47:46Z | https://github.com/libjxl/libjxl/issues/2721 | 1,843,263,510 | 2,721 |
[
"libjxl",
"libjxl"
] | The output resulted from no-compressed png encoder of demo, even though can be displayed on Chrome/Edge, failed to do so on Firefox with error "Image corrupt or truncated". More over, it also fails when passed into createImageBitmap on Chrome with "DOMException: The source image could not be decoded" (yet when passed i... | No-compressed png encoder fails on Firefox | https://api.github.com/repos/libjxl/libjxl/issues/2720/comments | 7 | 2023-08-09T10:54:22Z | 2025-03-01T18:19:06Z | https://github.com/libjxl/libjxl/issues/2720 | 1,842,980,638 | 2,720 |
[
"libjxl",
"libjxl"
] | libjxl-main/plugins/gimp/file-jxl-save.cc line 361
Code:
// Advanced Settings Frame
std::vector<GtkWidget*> advanced_opts; // <-- unused
| unused variable | https://api.github.com/repos/libjxl/libjxl/issues/2701/comments | 0 | 2023-08-02T09:14:25Z | 2023-08-03T07:21:39Z | https://github.com/libjxl/libjxl/issues/2701 | 1,832,776,003 | 2,701 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
I am experimenting with the lossless conversion of some JPEG files (extracted from large tiled TIFF files). Some of these images convert without an issue, but others have an error (JxlEncoderError JXL_ENC_ERR_JBRD) when `JxlEncoderAddJPEGFrame` is called with no further information.
**To Reprod... | JPEG Bitstream Reconstruction (`JxlEncoderAddJPEGFrame`) Failing for Some Images | https://api.github.com/repos/libjxl/libjxl/issues/2693/comments | 3 | 2023-07-31T16:05:15Z | 2023-10-12T15:19:52Z | https://github.com/libjxl/libjxl/issues/2693 | 1,829,575,667 | 2,693 |
[
"libjxl",
"libjxl"
] | **Issue under reworking...**
| How to build for Vite? | https://api.github.com/repos/libjxl/libjxl/issues/2690/comments | 0 | 2023-07-30T07:27:41Z | 2023-08-01T08:40:26Z | https://github.com/libjxl/libjxl/issues/2690 | 1,827,836,365 | 2,690 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
`JxlDecoderReleaseJPEGBuffer` is [supposed to](https://libjxl.readthedocs.io/en/latest/api_decoder.html#group__libjxl__decoder_1ga7e90657bbd64b619228249f0e3ca093f) return the number of bytes of the output buffer that have not yet been written to. In my use, it actually always returns the full size... | JxlDecoderReleaseJPEGBuffer always reports none of the buffer has been written to even when it has | https://api.github.com/repos/libjxl/libjxl/issues/2689/comments | 2 | 2023-07-29T09:54:41Z | 2023-08-03T22:06:00Z | https://github.com/libjxl/libjxl/issues/2689 | 1,827,426,594 | 2,689 |
[
"libjxl",
"libjxl"
] | Currently cjxl will read XMP and EXIF metadata from iTXt and tEXt chunks, but they're also used to store raw text with a tag at the start which is ignored. If those tags could be turned into XMP or EXIF entries as fallback, or just a 'text' container as Jon has suggested on Discord, then the data would be retained and ... | PNG tEXt chunks discarded unless XMP or EXIF | https://api.github.com/repos/libjxl/libjxl/issues/2687/comments | 5 | 2023-07-27T18:24:50Z | 2023-08-02T19:58:12Z | https://github.com/libjxl/libjxl/issues/2687 | 1,824,943,892 | 2,687 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
The official JPEG-XL website states "Lossless JPEG transcoding: about 20% smaller" - however, this some perfectly in-spec jpeg encoding methods are not supported and result only in a cryptic error message "JxlEncoderAddJPEGFrame() failed".
**To Reproduce**
Encode 1. lossless jpeg (cjpeg -lossl... | Lossless transcoding of lossless, arithmetic, hdr legacy JPEG | https://api.github.com/repos/libjxl/libjxl/issues/2685/comments | 4 | 2023-07-26T16:41:51Z | 2024-04-22T09:49:01Z | https://github.com/libjxl/libjxl/issues/2685 | 1,822,791,072 | 2,685 |
[
"libjxl",
"libjxl"
] | **Is your feature request related to a problem? Please describe.**
When developing with CI workflows, it's common to version-pin dependencies (i.e. `actions/checkout@v3`). However, version tags are mutable, so a malicious attacker could overwrite a version tag to point to a malicious or vulnerable commit instead.
*... | Hash-pin workflow Actions and keep them updated | https://api.github.com/repos/libjxl/libjxl/issues/2683/comments | 0 | 2023-07-26T15:01:34Z | 2023-08-02T17:29:11Z | https://github.com/libjxl/libjxl/issues/2683 | 1,822,613,785 | 2,683 |
[
"libjxl",
"libjxl"
] | **Is your feature request related to a problem? Please describe.**
The "end goal" is to use JPEG XL images in flutter just like you can now use JPEG/PNG/....
**Describe the solution you'd like**
Probably first a binding library from libjxl (C++) to Dart.
And from there another library to integrate with Flutter.
... | Dart + Flutter bindings? | https://api.github.com/repos/libjxl/libjxl/issues/2681/comments | 7 | 2023-07-25T22:46:12Z | 2024-01-31T09:46:34Z | https://github.com/libjxl/libjxl/issues/2681 | 1,821,276,105 | 2,681 |
[
"libjxl",
"libjxl"
] | Hello,
When someone builds libjxl using `JPEGXL_FORCE_SYSTEM_HWY`, cmake searches for `find_package(HWY 1.0.0)`.
https://github.com/libjxl/libjxl/blob/06d6570bc5427ec00188e1e5347cb1b184eda476/third_party/CMakeLists.txt#L34C3-L34C26
libjxl from git no longer works with highway 1.0.0 - 1.0.3 because symbol `HWY_AV... | Bump requirement for highway library | https://api.github.com/repos/libjxl/libjxl/issues/2676/comments | 1 | 2023-07-20T19:47:17Z | 2023-08-02T08:36:41Z | https://github.com/libjxl/libjxl/issues/2676 | 1,814,694,712 | 2,676 |
[
"libjxl",
"libjxl"
] | I have one strange question, and in same time, feature request. Can be JNG format (if explain shortly, it is JPEG wrapper with PNG or JPEG alpha channel, which can be disassembled into two image) or JPEG with PNG alpha channel constructed into JPEG XL? Without any quality loss (except may be alpha channel, which may be... | Can be JNG or JPEG with PNG alpha channel constructed into JPEG XL? | https://api.github.com/repos/libjxl/libjxl/issues/2673/comments | 5 | 2023-07-20T11:51:50Z | 2023-08-03T07:02:19Z | https://github.com/libjxl/libjxl/issues/2673 | 1,813,817,318 | 2,673 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
Encoding an image with jpegli using XYB results in a stretched image with stripes and makes the image almost black and white.
**To Reproduce**
Download 64-bit nightly libjxl for Windows (I used https://artifacts.lucaversari.it/libjxl/libjxl/2023-07-19T08%3A42%3A59Z_0e8f059101cdd6acb4a871bfca22... | Images with alpha mess with jpegli using XYB | https://api.github.com/repos/libjxl/libjxl/issues/2671/comments | 1 | 2023-07-19T14:41:00Z | 2024-04-22T18:43:01Z | https://github.com/libjxl/libjxl/issues/2671 | 1,812,108,849 | 2,671 |
[
"libjxl",
"libjxl"
] | Hello,
there is an report from gentoo: https://bugs.gentoo.org/910099 (media-libs/libjxl-0.8.2-r1 adds -Werror flag on its own)
There is a following line in https://github.com/libjxl/libjxl/blob/0e265bfb2f5554d476c7014e43fb927a174b576e/tools/CMakeLists.txt#L386C1-L386C66
`target_compile_options(libjxl_test PRIVA... | Test builds with -Werror | https://api.github.com/repos/libjxl/libjxl/issues/2670/comments | 1 | 2023-07-17T16:00:20Z | 2024-07-06T09:31:27Z | https://github.com/libjxl/libjxl/issues/2670 | 1,808,088,729 | 2,670 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
Compilation to wasm fails on `jxl/enc_aux_out.h`
The error is found on l. 68:
error: definition of implicit copy assignment operator for 'AuxOut' is deprecated because it has a user-declared copy constructor
`68 | AuxOut(const AuxOut&) = default;`
**To Reproduce**
The libjxl repo i... | Compilation to wasm fails on `jxl/enc_aux_out.h` | https://api.github.com/repos/libjxl/libjxl/issues/2669/comments | 2 | 2023-07-17T14:40:49Z | 2024-07-19T12:12:37Z | https://github.com/libjxl/libjxl/issues/2669 | 1,807,940,416 | 2,669 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
I transcoded JPEG images to JXL lossless with `cjxl input.jpg output.jxl --lossless_jpeg=1 -e 9 --brotli_effort=11` using JPEG XL encoder v0.8.2, and the converted JXL images don't contain the proper exif metadata. I can retrieve the exif by transcoding the images back to JPEG, so the exif metad... | JPEG lossless transcoding resulting JXL images without exif metadata | https://api.github.com/repos/libjxl/libjxl/issues/2666/comments | 14 | 2023-07-15T22:19:54Z | 2023-08-01T07:19:01Z | https://github.com/libjxl/libjxl/issues/2666 | 1,806,352,643 | 2,666 |
[
"libjxl",
"libjxl"
] | Support for y4m file format in `cjxl` was added in #25 and removed in #614.
If I understand correctly, #837 added the missing already downsampled input option to the libjxl API so maybe #25 could be brought back? | Support y4m input in cjxl | https://api.github.com/repos/libjxl/libjxl/issues/2663/comments | 3 | 2023-07-13T08:50:12Z | 2023-08-02T07:40:54Z | https://github.com/libjxl/libjxl/issues/2663 | 1,802,522,907 | 2,663 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
Hello, I'm testing my new fuzzer and find several memory issues in cjpegli and djxl.
**Environment**
- OS: Ubuntu 20.04.5 LTS
- Compiler version: gcc 9.4.0
- CPU type: Intel(R) Xeon(R) CPU E5-2680 v4 @ 2.40GHz
- cjxl/djxl version string: latest commit eda5654fd1c51c7285e1b1472161bb9e560... | several memory bugs in cjpegli and djxl | https://api.github.com/repos/libjxl/libjxl/issues/2661/comments | 2 | 2023-07-13T02:49:37Z | 2023-12-06T09:39:32Z | https://github.com/libjxl/libjxl/issues/2661 | 1,802,051,739 | 2,661 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
Take a large input image, like: 6000x4000 pixels, PPM RGB and convert to JXL.
The 32-bit cjxl.exe will crash, no crash with 64-bit version.
The crash happens in: "FindTextLikePatches" (enc_patch_dictionary.cc).
**To Reproduce**
cjxl.exe test.ppm test.jxl
**Expected behavior**
Convert ... | Crash report in 32 bit mode (cjxl.exe) | https://api.github.com/repos/libjxl/libjxl/issues/2647/comments | 2 | 2023-07-10T11:35:15Z | 2025-01-23T20:44:01Z | https://github.com/libjxl/libjxl/issues/2647 | 1,796,570,416 | 2,647 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
Documentation states following:
```
--container=0|1
0 = Do not encode using container format (strip Exif/XMP/JPEG bitstream reconstruction data).
1 = Force using container format. Default: use only if needed.
```
Implying that this parameter is a tristate: "container when needed" (ab... | Can't disable container in cjxl via "--container=0" parameter | https://api.github.com/repos/libjxl/libjxl/issues/2645/comments | 2 | 2023-07-09T04:05:48Z | 2024-02-06T12:19:31Z | https://github.com/libjxl/libjxl/issues/2645 | 1,795,224,107 | 2,645 |
[
"libjxl",
"libjxl"
] | I've been surprised by cjxl silently losing metadata on compression a few times now. Last, it silently seems to have lost stable diffusion metadata placed in png by the "automatic1111" webui.
In the interest of least surprise and avoiding unintentional data loss, cjxl ideally should have the general safeguard of war... | cjxl - nonzero exit and warn in the case there is any additional data it can not sensibly encode | https://api.github.com/repos/libjxl/libjxl/issues/2641/comments | 15 | 2023-07-07T05:47:46Z | 2025-06-03T09:52:01Z | https://github.com/libjxl/libjxl/issues/2641 | 1,792,830,782 | 2,641 |
[
"libjxl",
"libjxl"
] | I wanted to open this in the discussion tab, but it's not activated on the repo. This isn't a bug, just a thought I wanted to share.
A lot of image manipulation libraries (Ruby, Python, Node, etc) uses libvips to process images. Conversion, resize, blur and a ton of other image operations.
Libvips is a great libr... | Collaboration with libvips | https://api.github.com/repos/libjxl/libjxl/issues/2640/comments | 25 | 2023-07-06T20:06:12Z | 2025-03-01T18:17:12Z | https://github.com/libjxl/libjxl/issues/2640 | 1,792,159,730 | 2,640 |
[
"libjxl",
"libjxl"
] | encode a case with 32 bytes icc error case, it report error & core dump.
./cjxl /failedILSVRC2012/ILSVRC2012_val_00011735.JPEG 1.jxl
JPEG XL encoder v0.9.0 689da0fd [AVX3,AVX2,SSE4,SSSE3,SSE2]
Note: Implicit-default for JPEG is lossless-transcoding. To silence this message, set --lossless_jpeg=(1|0).
Encoding [Cont... | with very shot icc failed case, it should not core dump. | https://api.github.com/repos/libjxl/libjxl/issues/2638/comments | 2 | 2023-07-06T10:26:56Z | 2025-01-23T20:51:00Z | https://github.com/libjxl/libjxl/issues/2638 | 1,791,269,007 | 2,638 |
[
"libjxl",
"libjxl"
] | is the --num_threads really working?
It's alway using only one core.
| num_threads | https://api.github.com/repos/libjxl/libjxl/issues/2631/comments | 2 | 2023-07-03T17:23:26Z | 2023-07-05T02:46:40Z | https://github.com/libjxl/libjxl/issues/2631 | 1,786,563,262 | 2,631 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
[Decode Progressive example](https://github.com/libjxl/libjxl/blob/190d44fbe463c5c3081081c80633639f69478d97/examples/decode_progressive.cc#L156-L161) does the following:
```cpp
std::vector<uint8_t> pixels;
// ....
pixels.resize(xsize * ysize * 4);
void* pixels_buffer... | Example decode_progressive contains code that could lead to buffer overflow | https://api.github.com/repos/libjxl/libjxl/issues/2628/comments | 0 | 2023-07-02T03:55:17Z | 2023-07-06T06:48:17Z | https://github.com/libjxl/libjxl/issues/2628 | 1,784,426,379 | 2,628 |
[
"libjxl",
"libjxl"
] | Btrfs has a compression feature—on my system it saves me (using zstd at level 3) ≈15GB on a 50GB root / partition.
I was thinking, why couldn't JPEG XL be used in the Linux kernel in much the same way, for JPEG and PNG images? It's fully transparent for both. | Idea: libjxl in the Linux kernel | https://api.github.com/repos/libjxl/libjxl/issues/2624/comments | 17 | 2023-06-30T06:50:13Z | 2025-03-01T18:14:01Z | https://github.com/libjxl/libjxl/issues/2624 | 1,781,995,443 | 2,624 |
[
"libjxl",
"libjxl"
] | Hi, has anyone tried to build and test using mac OS (m1 chip Ventura 13.3) ? I have tried building the lib previously but had some issues with the versions of third party dependencies. I was using docker before but still was not able to build due to some issues and now in the latest version, docker support has been rem... | Issues with building and testing in mac OS. | https://api.github.com/repos/libjxl/libjxl/issues/2605/comments | 9 | 2023-06-26T17:36:08Z | 2024-12-01T10:52:52Z | https://github.com/libjxl/libjxl/issues/2605 | 1,775,260,025 | 2,605 |
[
"libjxl",
"libjxl"
] | It used to build fine before a recent commit. Now libjxl can no longer be built to use with ffmpeg.
https://github.com/m-ab-s/media-autobuild_suite/issues/2466
Cheers.
```
├ Compiling FFmpeg with Vapoursynth R61
├ FFmpeg will need vapoursynth.dll and vsscript.dll to run using vapoursynth demuxers!
Runnin... | a recent commit breaks it building with MABS (build system for FFmpeg) | https://api.github.com/repos/libjxl/libjxl/issues/2602/comments | 3 | 2023-06-24T10:22:23Z | 2023-07-02T15:53:14Z | https://github.com/libjxl/libjxl/issues/2602 | 1,772,594,391 | 2,602 |
[
"libjxl",
"libjxl"
] | Since libjxl moved to GitHub, https://gitlab.com/wg1/jpeg-xl serves as a mirror. However, today I noticed that the latest commit on main branch there is 8ae78ac6, which was authored 4 months ago.
I would like to know whether this is a technical issue, or developers have stopped mirroring commits on GitLab. | GitLab's wg1/jpeg-xl is not mirroring recent commits, out-of-date for several months | https://api.github.com/repos/libjxl/libjxl/issues/2599/comments | 2 | 2023-06-23T00:41:54Z | 2023-08-02T11:12:30Z | https://github.com/libjxl/libjxl/issues/2599 | 1,770,570,091 | 2,599 |
[
"libjxl",
"libjxl"
] | The current wasm_demo (tools/wasm_demo/jxl_decompressor.cc) is using WrapPixelsToPng for encoding pixels to png. Is this a substitute for the actual PNGEncoder because the resulted files are extremely large in size. I want to re-implement it with JPEGEncoder instead, but I'm having trouble linking. I'll really apprecia... | Trouble linking wasm_demo with jpeg encoder | https://api.github.com/repos/libjxl/libjxl/issues/2595/comments | 5 | 2023-06-22T10:10:57Z | 2023-07-31T09:10:28Z | https://github.com/libjxl/libjxl/issues/2595 | 1,769,371,217 | 2,595 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
~~Consider the conformance sample `animation_icos4d.jxl`. (Here, for convenience: [https://buzo.us/H.jxl](https://buzo.us/H.jxl)).
Attempting to losslessly recompress it using `cjxl -d 0` appears to be taking the 8-bit pixel data from the original and encoding it losslessly as 32-bit float, whic... | Losslessly recompressing JXL turns enum tags into ICC profiles | https://api.github.com/repos/libjxl/libjxl/issues/2581/comments | 4 | 2023-06-18T20:35:04Z | 2023-07-06T09:05:38Z | https://github.com/libjxl/libjxl/issues/2581 | 1,762,449,545 | 2,581 |
[
"libjxl",
"libjxl"
] | **Steps to reproduce**
Do something that will trigger an error, for example:
1. `cjxl -v -v -v CMYK.jpg out.jxl` (attempting to do lossless JPEG transcode on a CMYK JPEG)
2. #2542
**Actual result**
The user gets the following error messages:
```
JxlEncoderAddJPEGFrame() failed.
EncodeImageJXL() failed.... | Utilities do not output useful debug and error messages, even with multiple `-v` arguments | https://api.github.com/repos/libjxl/libjxl/issues/2580/comments | 2 | 2023-06-17T15:08:33Z | 2024-04-22T09:49:01Z | https://github.com/libjxl/libjxl/issues/2580 | 1,761,889,135 | 2,580 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
Consider a PNG image that has an alpha channel.
Attempting to encode to encode it with cjpegli fails with `jpegli encoding failed` and no obvious reason why.
**To Reproduce**
Take a PNG with an alpha channel, such as this one: [https://buzo.us/7F.png](https://buzo.us/7F.png)
**Expected beh... | cjpegli fails with nondescript error message if input PNG contains alpha | https://api.github.com/repos/libjxl/libjxl/issues/2579/comments | 2 | 2023-06-17T14:38:50Z | 2024-03-08T09:23:34Z | https://github.com/libjxl/libjxl/issues/2579 | 1,761,879,625 | 2,579 |
[
"libjxl",
"libjxl"
] | I have been experimenting with wasm build from the JPEG XL viewer extension (https://chrome.google.com/webstore/detail/jpeg-xl-viewer/bkhdlfmkaenamnlbpdfplekldlnghchp) and many other wasm build of this lib. The performance recorded on browsers are worst. My 4K image always takes about 4 seconds to decode instead of lik... | Wasm performance is much worse | https://api.github.com/repos/libjxl/libjxl/issues/2574/comments | 14 | 2023-06-16T03:05:14Z | 2023-08-02T08:36:28Z | https://github.com/libjxl/libjxl/issues/2574 | 1,759,846,351 | 2,574 |
[
"libjxl",
"libjxl"
] | I’m looking everywhere on the internet and no one really talks about it. I think most would assume that reconstructing Jpeg would be much faster than decoding the whole thing and re-encoding it. I’m testing it using the latest cjxl release on my machine and having the pixel-to-jpeg flag turned on makes it run twice as ... | Pixel-to-jpeg is faster than Jpeg reconstruction? | https://api.github.com/repos/libjxl/libjxl/issues/2572/comments | 2 | 2023-06-15T19:07:28Z | 2023-06-16T07:25:49Z | https://github.com/libjxl/libjxl/issues/2572 | 1,759,398,655 | 2,572 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
The -p option (progressive) with jpg input files results in error and no image being put out, even when it is just on its own without any other options. But when input files are png images, then this option works fine.
**To Reproduce**
Steps to reproduce the behavior:
run command: .\cjxl.exe .... | The -p option (progressive) with jpg input files results in error and no image being put out, even when it is just on its own without any other options. | https://api.github.com/repos/libjxl/libjxl/issues/2563/comments | 3 | 2023-06-13T15:43:22Z | 2023-06-23T10:17:25Z | https://github.com/libjxl/libjxl/issues/2563 | 1,755,188,771 | 2,563 |
[
"libjxl",
"libjxl"
] | I'm having issues with cjxl not properly converting the ICC profiles of some JPEGs or may be all the viewers are displaying it wrong.
I don't know which one of the two is the case.
**Here's how to reproduce:**
[source image](https://pbs.twimg.com/media/EvltOejWQAYc1Tk?format=jpg&name=4096x4096) with ICC profile
... | cjxl not properly converting the ICC profiles of some JPGs or djxl not properly decoding the converted JXLs with ICC profile back to JPG | https://api.github.com/repos/libjxl/libjxl/issues/2550/comments | 8 | 2023-06-09T16:12:12Z | 2025-01-27T14:28:20Z | https://github.com/libjxl/libjxl/issues/2550 | 1,750,162,192 | 2,550 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
***SSIMULACRA2***
With images with alpha, `ssimulacra2_main` uses a custom logic https://github.com/libjxl/libjxl/blob/cf760b882e91bbc2f6ab59476e1315fc8db710fb/tools/ssimulacra2_main.cc#L72 while the API uses a differente one (https://github.com/libjxl/libjxl/blob/cf760b882e91bbc2f6ab59476e1315f... | Different defaults for SSIMULACRA2 and Butteraugli between APIs and executables | https://api.github.com/repos/libjxl/libjxl/issues/2548/comments | 5 | 2023-06-09T13:21:12Z | 2024-01-18T07:14:49Z | https://github.com/libjxl/libjxl/issues/2548 | 1,749,891,859 | 2,548 |
[
"libjxl",
"libjxl"
] | When I last tested in v0.6.1, the ICC profiles returned by `JxlDecoderGetColorAsICCProfile` did not use the CICP tag recently added to the ICC spec for files where `JxlDecoderGetColorAsEncodedProfile` returns CICP values.
I'm guessing this is why the following comment shows up in the headers for v0.8.1:
```
* ... | libjxl should generate ICC profiles that use CICP tag when appropriate | https://api.github.com/repos/libjxl/libjxl/issues/2545/comments | 3 | 2023-06-09T07:42:52Z | 2023-06-09T11:31:56Z | https://github.com/libjxl/libjxl/issues/2545 | 1,749,321,983 | 2,545 |
[
"libjxl",
"libjxl"
] | From `cdxl --help` output:
> --resampling=-1|1|2|4|8
Resampling for extra channels. Default of -1 applies resampling only for low quality. Value 1 does no downsampling (1x1), 2 does 2x2 downsampling, 4 is for 4x4 downsampling, and 8 for 8x8 downsampling.
So it should resample "extra channels". That does it m... | What exactly resampling does? | https://api.github.com/repos/libjxl/libjxl/issues/2544/comments | 8 | 2023-06-08T18:40:26Z | 2025-01-23T13:04:08Z | https://github.com/libjxl/libjxl/issues/2544 | 1,748,449,774 | 2,544 |
[
"libjxl",
"libjxl"
] | I've tried current main branch and 0.8.1. In bot cases `cjxl --resampling=2` works about 8.5 times slower, than other values for this option.
```
# cjxl --resampling=1 ../down.png ../down.1x.jxl
JPEG XL encoder v0.9.0 [NEON,NEON_WITHOUT_AES]
Read 1218x1024 image, 703014 bytes, 86.6 MP/s
Encoding [VarDCT, d1.000,... | Compression with --resampling=2 dramattically slower than other values | https://api.github.com/repos/libjxl/libjxl/issues/2543/comments | 1 | 2023-06-08T18:32:12Z | 2025-05-22T17:29:05Z | https://github.com/libjxl/libjxl/issues/2543 | 1,748,439,526 | 2,543 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
`cjxl` fails with `JxlEncoderAddJPEGFrame() failed` for some JPEG files.
`Jpeginfo` reports the file as a valid JFIF file.
Example of failing JPEG: <a href="https://coucou-treks-media.s3.fr-par.scw.cloud/56bce969-26ad-4d5f-ba25-83cdae2db7d6.jpg" target="_blank">image.jpg</a>
**To Reproduce*... | cjxl fails with "JxlEncoderAddJPEGFrame() failed" for a valid JFIF file | https://api.github.com/repos/libjxl/libjxl/issues/2542/comments | 4 | 2023-06-08T16:47:45Z | 2025-04-27T01:53:59Z | https://github.com/libjxl/libjxl/issues/2542 | 1,748,312,120 | 2,542 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
When encoding a quite "big" (in term of width and height) GIF to lossy JXL, I get a core dumped error (Error Code 132).
Command used: `cjxl -d 1 -e 8 in.gif out.jxl`.
The error only happens with effort 8 and 9, while `cjxl` is working as expected with effort from 1 to 7.
This is the complet... | "Illegal instruction (core dumped)" when encoding GIF to lossy JXL with effort 8 and 9 | https://api.github.com/repos/libjxl/libjxl/issues/2539/comments | 0 | 2023-06-07T18:14:22Z | 2023-06-12T12:21:34Z | https://github.com/libjxl/libjxl/issues/2539 | 1,746,435,069 | 2,539 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
Take a PNG image (any sRGB png will do) and run the following:
```
cjpegli input.png output.jpg
ssimulacra2 input.png output.jpg
```
The `ssimulacra2` tool will report a score, but it will produce an extraneous error message "Failed to decode image" for seemingly no reason. The same is tr... | Tools report "Failed to decode image" for JPEG but still produces a score based on system libjpeg decoder | https://api.github.com/repos/libjxl/libjxl/issues/2524/comments | 0 | 2023-06-04T15:38:42Z | 2023-06-06T06:38:30Z | https://github.com/libjxl/libjxl/issues/2524 | 1,740,438,121 | 2,524 |
[
"libjxl",
"libjxl"
] | I saw in the documentation that JxlPixelFormat supports BGR, but I didn't find the exact way to set it.
Am I not finding the correct method, or is BGR not actually supported currently?
Related issues:
https://github.com/libjxl/libjxl/issues/993
---
Does anyone know the solution?
I found that Window system p... | How to set JxlPixelFormat to BGR? | https://api.github.com/repos/libjxl/libjxl/issues/2519/comments | 3 | 2023-06-02T08:36:53Z | 2023-06-05T16:18:26Z | https://github.com/libjxl/libjxl/issues/2519 | 1,737,718,247 | 2,519 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
Running `BUILD_TARGET=wasm32 ENABLE_WASM_SIMD=1 emconfigure ./ci.sh release` yields an error
```
CMake Error at third_party/CMakeLists.txt:36 (message):
Highway library (hwy) not found. Install libhwy-dev or download it to
third_party/highway from https://github.com/google/highway . Hi... | Can't create `wasm` build | https://api.github.com/repos/libjxl/libjxl/issues/2513/comments | 16 | 2023-05-31T01:18:56Z | 2023-08-04T02:07:04Z | https://github.com/libjxl/libjxl/issues/2513 | 1,733,232,768 | 2,513 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
During testing, several samples were found to cause consumption of all RAM. However, this did not cause memory corruption, except for one sample, which possibly caused a read outside of the allocated memory.
**To Reproduce**
Steps to reproduce the behavior:
```bash
./cjxl ./id_000010,src_0... | Memory leak issue in when converting JPEG via cjxl | https://api.github.com/repos/libjxl/libjxl/issues/2512/comments | 2 | 2023-05-30T19:10:51Z | 2023-09-19T12:57:21Z | https://github.com/libjxl/libjxl/issues/2512 | 1,732,827,594 | 2,512 |
[
"libjxl",
"libjxl"
] | **Is your feature request related to a problem? Please describe.**
JXL currently has support for animations, but I think we could improve the system, and finally give a real use to all those different format requests (also known as "ajxl / jxla format").
**Describe the solution you'd like**
Support for independent... | Expanding multilayer functionality | https://api.github.com/repos/libjxl/libjxl/issues/2510/comments | 0 | 2023-05-30T04:04:34Z | 2023-05-30T06:45:24Z | https://github.com/libjxl/libjxl/issues/2510 | 1,731,471,426 | 2,510 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
Valgrind reports 167 MB as "possibly lost" when decoding with libjxl. It appears to be system-dependent: I can reproduce it on my desktop but not my laptop, with the same build number.
**To Reproduce**
```
valgrind --leak-check=full djxl ./newton-cradle.jxl --disable_output
```
**Expected... | Memory leak with djxl | https://api.github.com/repos/libjxl/libjxl/issues/2509/comments | 5 | 2023-05-28T16:21:02Z | 2023-05-31T14:39:26Z | https://github.com/libjxl/libjxl/issues/2509 | 1,729,551,272 | 2,509 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
When I converted Facebook's emoji PNGs losslessly to JXL and WebP, I found that JXL outputs are larger than WebP outputs and even the source.
(It seems that Facebook uses images instead of actual Unicode emojis in posts.)
**To Reproduce**
1. Download test files, e.g.:
* https://static... | For emojis, lossless JXL loses to lossless WebP, and even larger than the source | https://api.github.com/repos/libjxl/libjxl/issues/2508/comments | 2 | 2023-05-27T06:12:46Z | 2023-06-07T17:28:23Z | https://github.com/libjxl/libjxl/issues/2508 | 1,728,483,479 | 2,508 |
[
"libjxl",
"libjxl"
] | **Is your feature request related to a problem? Please describe.**
Would be great if the reference encoder could store the encoder parameters / command line arguments to the metadata of the output file, like some video encoders do.
It could be useful both for knowing what kind of image you're dealing with, and to lea... | Store encoding parameters in metadata | https://api.github.com/repos/libjxl/libjxl/issues/2507/comments | 3 | 2023-05-26T17:22:40Z | 2023-07-27T12:25:50Z | https://github.com/libjxl/libjxl/issues/2507 | 1,727,985,792 | 2,507 |
[
"libjxl",
"libjxl"
] | https://github.com/libjxl/libjxl/blob/26ffd2c9641faabd14a739250d8028b528b48a36/lib/jxl/butteraugli/butteraugli.cc#L129-L130 | Typo: Profiler zone in butteraugli wrong | https://api.github.com/repos/libjxl/libjxl/issues/2504/comments | 1 | 2023-05-25T19:56:28Z | 2023-05-26T16:00:09Z | https://github.com/libjxl/libjxl/issues/2504 | 1,726,409,073 | 2,504 |
[
"libjxl",
"libjxl"
] | Hi, I was following the documentation on how to develop using docker but was unable to run the "ci.sh" shell script through the container.
`CMake Error at third_party/brotli/CMakeLists.txt:4 (cmake_minimum_required):
CMake 3.10.4 or higher is required. You are running version 3.10.2`
I am unable to update the ... | Updating cmake version in docker image | https://api.github.com/repos/libjxl/libjxl/issues/2495/comments | 1 | 2023-05-23T23:17:11Z | 2023-05-24T11:01:59Z | https://github.com/libjxl/libjxl/issues/2495 | 1,722,923,892 | 2,495 |
[
"libjxl",
"libjxl"
] | As table on jpegxl.info says jxl should have animation feature, but I cant figure out how to do it in best way by myself. I tried this:
$ convert file.gif file.jxl
online at https://mconverter.eu/convert/gif/jxl/
$ ffmpeg -i file.gif file.jxl
cjxl file.gif file.jxl
But all this ways make static... | What is the best way to create animated jpegxl image? | https://api.github.com/repos/libjxl/libjxl/issues/2494/comments | 3 | 2023-05-23T14:39:56Z | 2024-04-17T08:43:30Z | https://github.com/libjxl/libjxl/issues/2494 | 1,722,223,008 | 2,494 |
[
"libjxl",
"libjxl"
] | I don't know how to program, but I can write some simple scripts in AutoHotkey, a scripting language.
I can call libwebp.dll to display a webp image in AutoHotkeyGUI, which will probably only use 3 libwebp-api.
But when I was trying to use a similar approach, calling jxl.dll to display jxl images, I ran into difficul... | Non-programmer requesting help on how to call jxl.dll | https://api.github.com/repos/libjxl/libjxl/issues/2488/comments | 0 | 2023-05-20T08:59:15Z | 2023-06-01T21:36:58Z | https://github.com/libjxl/libjxl/issues/2488 | 1,718,107,232 | 2,488 |
[
"libjxl",
"libjxl"
] | **Is your feature request related to a problem? Please describe.**
Currently, libjxl's workflows run with write-all permissions. This is dangerous, since it opens the project up to supply-chain attacks. [GitHub itself](https://docs.github.com/en/actions/security-guides/security-hardening-for-github-actions#using-secre... | Set minimal workflow permissions | https://api.github.com/repos/libjxl/libjxl/issues/2484/comments | 1 | 2023-05-18T21:53:19Z | 2023-05-22T11:28:50Z | https://github.com/libjxl/libjxl/issues/2484 | 1,716,315,175 | 2,484 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
Homebrew installation fails on macOS Catalina 10.15.7
**To Reproduce**
Steps to reproduce the behavior:
`brew install jpeg-xl`
**Expected behavior**
Installs properly.
**Environment**
Results of `brew config`:
```
HOMEBREW_VERSION: 4.0.18
ORIGIN: https://github.com/Homebrew/brew
... | brew install jpeg-xl fails on macOS Catalina, blocking several php version installs | https://api.github.com/repos/libjxl/libjxl/issues/2483/comments | 7 | 2023-05-18T18:15:54Z | 2024-01-11T14:22:47Z | https://github.com/libjxl/libjxl/issues/2483 | 1,716,064,438 | 2,483 |
[
"libjxl",
"libjxl"
] | **Is your feature request related to a problem? Please describe.**
I just found when trying to export a high-res file exports slowly and minimal CPU is used.
**Describe the solution you'd like**
Are you able to make this GIMP plug-in Multi-Threaded, to take advantage of modern CPUs?
Thank You for considering!
... | GIMP JXL Plug-in is not Multi-threaded | https://api.github.com/repos/libjxl/libjxl/issues/2476/comments | 1 | 2023-05-12T15:01:48Z | 2025-01-19T21:33:42Z | https://github.com/libjxl/libjxl/issues/2476 | 1,707,788,290 | 2,476 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
When trying to decode (with coalescing) a layered JXL image that's encoded losslessly, an error sometimes occured:
```
lib\jxl\render_pipeline\stage_blending.cc:40: JXL_FAILURE: Trying to blend XYB reference frame 0 and non-XYB frame
lib\jxl\render_pipeline\render_pipeline.h:81: JXL_RETURN_IF_E... | Unable to decode with coalesce on some lossless layered JXL image | https://api.github.com/repos/libjxl/libjxl/issues/2463/comments | 7 | 2023-05-07T17:32:05Z | 2024-03-04T10:12:57Z | https://github.com/libjxl/libjxl/issues/2463 | 1,699,160,903 | 2,463 |
[
"libjxl",
"libjxl"
] | brew install jpeg-xl
==> Upgrading jpeg-xl
0.6.1_1 -> 0.8.1_2
==> cmake -S . -B build -DJPEGXL_FORCE_SYSTEM_BROTLI=ON -DJPEGXL_FORCE_SYSTEM_LCMS2=ON -DJPEGXL
==> cmake --build build
Last 15 lines from /Users/studiosluka_3/Library/Logs/Homebrew/jpeg-xl/02.cmake:
<stdin>:16089:2: error: instruction requires:... | MacOS brew install jpeg-xl error | https://api.github.com/repos/libjxl/libjxl/issues/2461/comments | 34 | 2023-05-06T07:52:05Z | 2024-09-05T19:12:15Z | https://github.com/libjxl/libjxl/issues/2461 | 1,698,522,943 | 2,461 |
[
"libjxl",
"libjxl"
] | GDK Pixbuf is a building block for image handling on linux, a plug-in is provided directly and benefit from an updated version at each commit.
WIC, the equivalent under windows could also be attached to this repo such as updated artifacts are generated for each release. I think it would ease the adoption for windows... | provide a WIC plugin | https://api.github.com/repos/libjxl/libjxl/issues/2458/comments | 2 | 2023-05-05T08:40:01Z | 2023-05-05T09:44:24Z | https://github.com/libjxl/libjxl/issues/2458 | 1,697,234,049 | 2,458 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
16-bit RGB/RGBA images from inkscape are encoded without error, but incorrectly, in both *VarDCT* and *modular* modes
**To Reproduce**
```
cjxl 16bit_rgba.png 16bit_rgba.jxl
djxl 16bit_rgba.jxl preview.png
```
Expected:
![8bit_rgb](https://user-images.githubusercontent.com/69643766/2362... | 16bit PNG images from Inkscape are encoded wrongly | https://api.github.com/repos/libjxl/libjxl/issues/2457/comments | 5 | 2023-05-04T13:46:41Z | 2023-05-23T20:23:36Z | https://github.com/libjxl/libjxl/issues/2457 | 1,696,053,398 | 2,457 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
See the attached JPEG XL file. It fails to load with GIMP, Eye of MATE, and ImageMagick. However, djxl, ffmpeg, and jxl-oxide all decode it correctly and report no errors.
**To Reproduce**
```
djxl george-smile4.jxl test.png
mpv george-smile4.jxl
gimp george-smile4.jxl
magick display georg... | GDK Pixbuf and GIMP plugins fail to decode valid JXL file | https://api.github.com/repos/libjxl/libjxl/issues/2456/comments | 3 | 2023-05-04T13:05:04Z | 2023-05-09T15:59:13Z | https://github.com/libjxl/libjxl/issues/2456 | 1,695,974,794 | 2,456 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
Conformance test `noise` looks different in the djxl version and doesn't match the `ref.png`
**To Reproduce**
```bash
cd "conformance/testcases/noise/"
djxl input.jxl out.png
```
**Screenshots**
Ref:
![ref](https://user-images.githubusercontent.com/69643766/235508979-b3006faa-c211-4495-a... | Noise synthesis doesn't match the conformance test reference | https://api.github.com/repos/libjxl/libjxl/issues/2447/comments | 5 | 2023-05-01T18:46:37Z | 2023-05-02T13:24:04Z | https://github.com/libjxl/libjxl/issues/2447 | 1,691,179,024 | 2,447 |
[
"libjxl",
"libjxl"
] | Will there be some kind of stable, trustable version of libjxl available anytime soon?
Right now, version 0.8.1 requires me to download at least the following _latest_ git versions of packages:
- third_party/highway
- third_party/sjpeg
- third_party/skcms
Completely unverifiable builds depending on freshly d... | No stable, trustable version of libjxl | https://api.github.com/repos/libjxl/libjxl/issues/2439/comments | 3 | 2023-04-27T18:22:05Z | 2023-04-28T22:23:40Z | https://github.com/libjxl/libjxl/issues/2439 | 1,687,355,439 | 2,439 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
Looks lik esomething is wrong with test suite or I'm doing something wrongl;y.
On test suite exetion I have I have ~17% of failing units.
**To Reproduce**
cmake settings (`cmake -L` output):
<details>
```console
-- Cache values
ASCIIDOC:FILEPATH=/usr/bin/a2x
BASH_PROGRAM:FILEPATH=/... | 0.8.1: test suite is failing in ~17% of the test units | https://api.github.com/repos/libjxl/libjxl/issues/2433/comments | 22 | 2023-04-26T22:44:29Z | 2023-10-10T14:51:14Z | https://github.com/libjxl/libjxl/issues/2433 | 1,685,841,235 | 2,433 |
[
"libjxl",
"libjxl"
] | **Is your feature request related to a problem? Please describe.**
More and more applications get JXL writing support.
Recently I asked the xfce4-screenshoter developer to include it and now that the gdk-pixbuf patch has support for saving JXL (thanks novomesk!), xfce4-screenshoter has a ready MR that will make it sa... | Environment variable to tell applications what options to use for JXL saving | https://api.github.com/repos/libjxl/libjxl/issues/2417/comments | 1 | 2023-04-23T12:35:30Z | 2023-04-24T06:11:12Z | https://github.com/libjxl/libjxl/issues/2417 | 1,680,012,684 | 2,417 |
[
"libjxl",
"libjxl"
] | **Is your feature request related to a problem? Please describe.**
Currently there is no write support which holds back some applications from saving into JXL. Namely xfce4-screenshooter since I opened an issue there previously and got a comment that linked me to https://github.com/libjxl/libjxl/blob/main/plugins/gdk-... | Write support for gdk-pixbuf plugin | https://api.github.com/repos/libjxl/libjxl/issues/2404/comments | 1 | 2023-04-19T09:17:40Z | 2023-04-21T08:14:14Z | https://github.com/libjxl/libjxl/issues/2404 | 1,674,512,287 | 2,404 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
Most jxl art images are not decodable due to the very high `estimated_area_reached` value
**To Reproduce**
- `djxl art.jxl art.png`
- Failed with JXL_FAILURE("Too large total_estimated_area_reached")
|variable| value|
|-|-|
| manhattan_distance | 200 |
| width_estimate | 6868597129 |
... | splines: Decoding error due to high `total_estimated_area_reached` value | https://api.github.com/repos/libjxl/libjxl/issues/2400/comments | 1 | 2023-04-18T20:15:43Z | 2024-03-04T10:12:56Z | https://github.com/libjxl/libjxl/issues/2400 | 1,673,772,703 | 2,400 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
I converted an animated GIF file to JXL, and then played the JXL file, but I found that it has artifacts.
I also converted the JXL to APNG, but even the APNG has artifacts.
**To Reproduce**
1. `cjxl test.gif test.jxl`
2. Play `test.jxl` in Gwenview
3. `djxl test.jxl test.apng`
4. `mpv test... | After converting animated GIF to animated JXL, the JXL output is buggy (artifacts during playback) | https://api.github.com/repos/libjxl/libjxl/issues/2392/comments | 2 | 2023-04-18T07:45:43Z | 2025-01-19T00:50:13Z | https://github.com/libjxl/libjxl/issues/2392 | 1,672,545,929 | 2,392 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
I am trying to reproduce #2363 with cjxl, in which I need to convert a float32 buffer to jxl. Since OpenEXR is not correct supported anymore #1804, I tried pfm.
**To Reproduce**
I am using the following code to generate pfm files:
```
import cv2
import numpy as np
buffer = np.load(... | pfm is not supported with cjxl: Only JXL_BIT_DEPTH_FROM_PIXEL_FORMAT is implemented for float types. | https://api.github.com/repos/libjxl/libjxl/issues/2391/comments | 2 | 2023-04-17T20:49:19Z | 2024-05-21T14:08:38Z | https://github.com/libjxl/libjxl/issues/2391 | 1,671,944,889 | 2,391 |
[
"libjxl",
"libjxl"
] | I attach the log, it is huge to quote. (Notice, this is in Rosetta, so if something relies on physical cpu detection instead of compiler-passed settings, it may fail.)
**Environment**
- OS: macOS 10.6.8 Rosetta
- Compiler version: gcc 12.2.0
- CPU type: ppc (emulated)
[libjxl_tests_macOS_ppc.txt](https://gith... | A number of tests fail on ppc32: 69% tests passed, 1077 tests failed out of 3488 | https://api.github.com/repos/libjxl/libjxl/issues/2390/comments | 1 | 2023-04-17T11:52:18Z | 2024-04-22T09:39:32Z | https://github.com/libjxl/libjxl/issues/2390 | 1,671,000,971 | 2,390 |
[
"libjxl",
"libjxl"
] | 
After two days of pressure testing and decoding, it leaked over 100 M and used version 0.8.1 | Decoding seems to have a memory leak | https://api.github.com/repos/libjxl/libjxl/issues/2386/comments | 2 | 2023-04-17T03:21:54Z | 2023-04-23T08:34:44Z | https://github.com/libjxl/libjxl/issues/2386 | 1,670,334,933 | 2,386 |
[
"libjxl",
"libjxl"
] | 
After two days of pressure testing and decoding, it leaked over 100 meters and used version 0.8.1
| Decoding seems to have a memory leak | https://api.github.com/repos/libjxl/libjxl/issues/2385/comments | 0 | 2023-04-17T03:13:50Z | 2023-04-17T03:18:15Z | https://github.com/libjxl/libjxl/issues/2385 | 1,670,330,272 | 2,385 |
[
"libjxl",
"libjxl"
] | For certain non-photographic images (e.g., pixel art), `cjxl`’s defaults produce files that are factors larger than the original inputs. This contradicts the claim that [“The JPEG XL reference encoder (cjpegxl) produces, by default, a well-compressed image that is indistinguishable from (or, in some cases, identical to... | For best results encoding non-photographic images, default behavior should automatically choose between lossy and lossless | https://api.github.com/repos/libjxl/libjxl/issues/2382/comments | 7 | 2023-04-15T03:26:29Z | 2023-04-19T09:43:55Z | https://github.com/libjxl/libjxl/issues/2382 | 1,669,125,720 | 2,382 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
I’ve attached a sample PNG file (3.9 MB) that, when compressed by `cjxl` using defaults, results in a 16 MB jxl file (also attached).
Note that I’ve had to split the output jxl file into two pieces to accommodate GitHub’s file size limits. To reconstruct the output jxl file, `cat` the two pie... | Compressing a sample PNG file results in a 4x-sized file | https://api.github.com/repos/libjxl/libjxl/issues/2381/comments | 7 | 2023-04-15T00:25:42Z | 2023-04-15T03:28:03Z | https://github.com/libjxl/libjxl/issues/2381 | 1,669,074,564 | 2,381 |
[
"libjxl",
"libjxl"
] | **Is your feature request related to a problem? Please describe.**
libjxl has a very good JPEG decoder, but in order to use it, one must first transcode to JXL and then decode the resulting JXL.
Example:
```
cjxl input.jpg intermediary.jxl && djxl intermediary.jxl output.png
```
**Describe the solution you'd l... | djxl/libjxl should be able to decode JPEG files that are recompressible with JXL, but it cannot | https://api.github.com/repos/libjxl/libjxl/issues/2371/comments | 3 | 2023-04-11T17:36:25Z | 2023-05-04T08:51:39Z | https://github.com/libjxl/libjxl/issues/2371 | 1,662,946,035 | 2,371 |
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