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"
] | **Describe the bug**
Consider a PNG input like the following white 8x8 square:
> 
`benchmark_xl` crashes with `--save_decompressed` on this input, even on a debug build (the only build where it's support... | benchmark_xl crashes with --save_decompressed and PNG input | https://api.github.com/repos/libjxl/libjxl/issues/1873/comments | 0 | 2022-11-06T21:09:49Z | 2022-11-06T21:09:55Z | https://github.com/libjxl/libjxl/issues/1873 | 1,437,541,118 | 1,873 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
Consider a PNG input like [the following white 8x8 square](https://user-images.githubusercontent.com/1342577/200194862-2b679b6c-7e1b-4f4a-9d96-d6420ab396e5.png):
> 
`benchmark_xl` cr... | benchmark_xl crashes with --save_decompressed and PNG input | https://api.github.com/repos/libjxl/libjxl/issues/1872/comments | 2 | 2022-11-06T21:09:09Z | 2024-02-12T17:21:38Z | https://github.com/libjxl/libjxl/issues/1872 | 1,437,540,945 | 1,872 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
```bash
$ cjxl --lossless_jpeg=1 -p /tmp/FullMoon2010.jpg /tmp/FullMoon2010.jxl
```
```
JPEG XL encoder v0.8.0 3a4fd8a0 [AVX2,SSE4,SSSE3,Unknown]
Read JPEG image with 2143958 bytes.
Encoding [Container | JPEG, lossless transcode, effort: 7 | JPEG reconstruction data],
./lib/jxl/enc_frame.c... | `cjxl` fails on moon JPEG in progressive mode. ICC seems to be at fault. | https://api.github.com/repos/libjxl/libjxl/issues/1871/comments | 0 | 2022-11-05T19:31:35Z | 2023-05-16T11:31:13Z | https://github.com/libjxl/libjxl/issues/1871 | 1,437,161,312 | 1,871 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
`Jxl::ImageBundle::SetAlpha` calls `Jxl::Abort` on the following line when encoding with premultiplied alpha.
https://github.com/libjxl/libjxl/blob/a0204edcaf9288b62a0fd1a708c97456ec717b02/lib/jxl/image_bundle.cc#L107
The issue appears to be caused by `BufferToImageBundle` setting `alpha_is... | Encoding with premultiplied alpha is not supported | https://api.github.com/repos/libjxl/libjxl/issues/1869/comments | 0 | 2022-11-05T01:02:33Z | 2022-12-02T09:47:31Z | https://github.com/libjxl/libjxl/issues/1869 | 1,436,757,195 | 1,869 |
[
"libjxl",
"libjxl"
] | I solved the _decoding_ of animations in #1863. Probably I will do this too. | GIMP plugin cannot encode animations | https://api.github.com/repos/libjxl/libjxl/issues/1864/comments | 1 | 2022-11-04T08:15:34Z | 2022-11-04T15:24:11Z | https://github.com/libjxl/libjxl/issues/1864 | 1,435,711,557 | 1,864 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
Severity Code Description Project File Line Suppression State Error
Description: xmllint --nonet --noout --valid C:\changsheng\libjxl\out\build\x64-Clang-Release\djxl.xml returned non-zero exit status 1 Project: C:\changsheng\libjxl\out\build\x64-Clang-Release\libjxl
File: C:\changsheng\libjxl... | Fail to build on Windows with vcpkg | https://api.github.com/repos/libjxl/libjxl/issues/1859/comments | 0 | 2022-11-02T11:39:13Z | 2024-03-04T10:24:19Z | https://github.com/libjxl/libjxl/issues/1859 | 1,432,995,764 | 1,859 |
[
"libjxl",
"libjxl"
] | I can't combine `libjxl/experimental/fast_lossless` and the `github.com/veluca93/fpnge` encoder code in the same program (e.g. to compare the two encoders' speeds), because both fjxl and fpnge declare `struct BitWriter` in the top-level namespace, with the same name (and both have a `Write(uint32_t, uint64_t)` method) ... | experimental/fast_lossless doesn't anon-namespace its BitWriter | https://api.github.com/repos/libjxl/libjxl/issues/1855/comments | 2 | 2022-10-31T06:18:53Z | 2022-11-08T12:51:52Z | https://github.com/libjxl/libjxl/issues/1855 | 1,429,318,812 | 1,855 |
[
"libjxl",
"libjxl"
] | https://bugs.chromium.org/p/chromium/issues/detail?id=1178058
Please @jonsneyers do something, talk to them..
You can't let one overzealous aGiLe chromium manager ruin the web and incur an insanely big negative ecological and and user experience impact. | Convince chromium that JPEG XL has an objectively high value proposition | https://api.github.com/repos/libjxl/libjxl/issues/1854/comments | 5 | 2022-10-31T00:04:43Z | 2025-01-22T10:39:18Z | https://github.com/libjxl/libjxl/issues/1854 | 1,429,066,705 | 1,854 |
[
"libjxl",
"libjxl"
] | `lib/jxl/encode.cc` says `"Set use_original_profile=true for lossless encoding"` (inside a `JXL_API_ERROR` invocation), twice, but the field is called `uses_original_profile`.
Note the one versus two `s`s in `use_etc` versus `uses_etc`.
Grepping for `use_original_profile` with only one `s` gives no other hits (ot... | JXL_API_ERROR use_original_profile typo | https://api.github.com/repos/libjxl/libjxl/issues/1853/comments | 1 | 2022-10-30T11:08:55Z | 2022-10-31T11:24:12Z | https://github.com/libjxl/libjxl/issues/1853 | 1,428,734,795 | 1,853 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
in order to compile `main` branch I had to comment out all lines with `StoreInterleaved2` `StoreInterleaved3` `StoreInterleaved4`
(in `dec_group_jpeg.cc` and `stage_write.cc`)
**To Reproduce**
try to compile `main` branch
**Expected behavior**
`main` branch compiles successfully
**Envi... | StoreInterleaved: 2 3 4 | https://api.github.com/repos/libjxl/libjxl/issues/1852/comments | 3 | 2022-10-30T10:43:51Z | 2022-11-10T20:00:17Z | https://github.com/libjxl/libjxl/issues/1852 | 1,428,724,671 | 1,852 |
[
"libjxl",
"libjxl"
] | cjxl always encodes GIF as RGB+Alpha even if the original GIF doesn't use transparency at all. It does it for both static images and animations.
If transparency is not used in the entire GIF file, I would expect the GIF to be encoded as RGB.
Static image:
```
d:\>gifsicle -I pict.gif
* pict.gif 1 image
logica... | cjxl: GIF always encoded as RGB+Alpha | https://api.github.com/repos/libjxl/libjxl/issues/1851/comments | 0 | 2022-10-28T18:56:40Z | 2022-10-31T08:18:59Z | https://github.com/libjxl/libjxl/issues/1851 | 1,427,687,969 | 1,851 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
A clear and concise description of what the bug is.
**To Reproduce**
Encode an image with non-default exif orientation and `--center_x`, `--center_y` and `--group_order` flags and observe it load in chrome. It doesn't render progressively
**Expected behavior**
Progressive rendering of that... | progressive images with non-default orientation | https://api.github.com/repos/libjxl/libjxl/issues/1846/comments | 0 | 2022-10-24T08:26:22Z | 2022-10-24T08:26:22Z | https://github.com/libjxl/libjxl/issues/1846 | 1,420,434,442 | 1,846 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
GIMP plugin fails to load truncated progressive files that `djxl` can understand
**To Reproduce**
Steps to reproduce the behavior:
Encode an image progressively.
Truncate it.
Try to load it in GIMP.
**Expected behavior**
The image to load in GIMP.
**Environment**
- OS: GNU/Linux
... | GIMP plugin fails to load truncated progressive files that `djxl` can understand | https://api.github.com/repos/libjxl/libjxl/issues/1845/comments | 2 | 2022-10-22T06:43:16Z | 2022-11-16T11:59:42Z | https://github.com/libjxl/libjxl/issues/1845 | 1,419,129,145 | 1,845 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
```
> djxl test.jxl --bits_per_sample 16 test3.png
JPEG XL decoder v0.8.0 60a019fb [AVX2,SSE4,SSSE3,Unknown]
Read 259 compressed bytes.
JxlDecoderSetImageOutBitDepth failed
DecompressJxlToPackedPixelFile failed
```
**To Reproduce**
Encode any image into any kind of jxl, and decode into... | cjxl --bits_per_sample 16 not working | https://api.github.com/repos/libjxl/libjxl/issues/1840/comments | 0 | 2022-10-19T09:46:56Z | 2022-11-02T12:57:11Z | https://github.com/libjxl/libjxl/issues/1840 | 1,414,650,906 | 1,840 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
I converted a few PNG screenshots to lossless JXL by using cjxl and noticed that the same screenshots turned into bigger JXL files when I used 0.7.0 compared to 0.6.1 no matter which options I used.
**To Reproduce**
Steps to reproduce the behavior:
(Example output files in block with file siz... | cjxl 0.7 seems to produce bigger lossless pictures than 0.6.1 | https://api.github.com/repos/libjxl/libjxl/issues/1839/comments | 3 | 2022-10-17T22:00:24Z | 2022-10-19T17:19:53Z | https://github.com/libjxl/libjxl/issues/1839 | 1,412,283,036 | 1,839 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
Android `libjxl.so` libraries are huge. They range from 39MiB for armeabi-v7a to 66MiB for x86_64.
```
-rw-r--r--. 1 maarten maarten 41M 15 okt 16:00 android.arm64-v8a/libjxl.so
-rw-r--r--. 1 maarten maarten 39M 15 okt 16:00 android.armeabi-v7a/libjxl.so
-rw-r--r--. 1 maarten maarten 66M 15 ... | How to reduce size of libjxl when targeting Android | https://api.github.com/repos/libjxl/libjxl/issues/1835/comments | 2 | 2022-10-15T14:26:24Z | 2022-10-15T14:34:10Z | https://github.com/libjxl/libjxl/issues/1835 | 1,410,183,457 | 1,835 |
[
"libjxl",
"libjxl"
] | We're keen to deploy JXL and have been testing it in production. Historically, we have used WebP but we are now serving images encoded in JXL to clients which advertise support in their accept headers, on the order of ~10k images a day. In terms of file size and quality (as checked by SSIM) things look good, however th... | Relatively slow performance limiting deployment | https://api.github.com/repos/libjxl/libjxl/issues/1832/comments | 1 | 2022-10-11T16:03:10Z | 2022-10-12T07:05:43Z | https://github.com/libjxl/libjxl/issues/1832 | 1,404,889,519 | 1,832 |
[
"libjxl",
"libjxl"
] | E.g. comparing these two images using `butteraugli_main`
https://jon-cld.s3.amazonaws.com/test/images/2387532.png
https://jon-cld.s3.amazonaws.com/test/distorted/2387532/mozjpeg-2x2-revert-q100.jpg
results in a very high score:
```
4.4267010689
3-norm: 2.373483
```
while I would expect a value very clos... | bug in handling grayscale images in butteraugli? or not? | https://api.github.com/repos/libjxl/libjxl/issues/1828/comments | 1 | 2022-10-11T09:33:44Z | 2022-10-11T21:57:44Z | https://github.com/libjxl/libjxl/issues/1828 | 1,404,323,684 | 1,828 |
[
"libjxl",
"libjxl"
] | I wrote some code using the encoder API that was accidentally setting the blend mode for the first/only frame to `JXL_BLEND_BLEND`. Under specific conditions, this produces a file that fails to decode.
**To Reproduce**
- Start with an image that's susceptible to patches - e.g. a picture of text.
- Encode it using... | JXLs with non-default blend mode for the first frame can fail to decode | https://api.github.com/repos/libjxl/libjxl/issues/1827/comments | 3 | 2022-10-09T12:52:56Z | 2024-04-22T12:31:36Z | https://github.com/libjxl/libjxl/issues/1827 | 1,402,265,634 | 1,827 |
[
"libjxl",
"libjxl"
] |
It would be useful to add these columns to benchmark_xl:
- standard deviation of maxnorm and pnorm: this allows tracking encoder consistency over a corpus (a change might slightly improve the geomean but also decrease consistency)
- ssimulacra2
- standard deviation of ssimulacra2
Perhaps it would also be usef... | Add some columns to benchmark_xl | https://api.github.com/repos/libjxl/libjxl/issues/1821/comments | 0 | 2022-10-07T10:03:09Z | 2022-10-07T11:20:59Z | https://github.com/libjxl/libjxl/issues/1821 | 1,400,930,880 | 1,821 |
[
"libjxl",
"libjxl"
] | Hello,
this was discovered by Gentoo Linux developers: https://bugs.gentoo.org/875617
I am able to reproduce the problem with following compiler flags: `-Werror=odr -flto`
```
/var/tmp/portage/media-libs/libjxl-9999/work/libjxl-9999/lib/jxl/render_pipeline/stage_from_linear.cc:66:8: error: type ‘struct OpHlg’... | Build error: type ‘struct OpHlg’ violates the C++ One Definition Rule [-Werror=odr] | https://api.github.com/repos/libjxl/libjxl/issues/1819/comments | 1 | 2022-10-07T09:55:16Z | 2024-03-04T10:12:55Z | https://github.com/libjxl/libjxl/issues/1819 | 1,400,921,176 | 1,819 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
AFAIK the JXL file has been losslessly compressed:
* https://github.com/libjxl/testdata/blob/main/jxl/splines.jxl
Depending on the arch libjxl is compiled I do not get the exact same decompressed buffer.
**To Reproduce**
On Debian/sid/amd64:
% djxl /usr/share/libjxl-testdata/jxl/s... | Lossless decompression of libjxl-testdata/jxl/splines.jxl | https://api.github.com/repos/libjxl/libjxl/issues/1811/comments | 7 | 2022-10-05T06:38:32Z | 2022-10-05T09:43:15Z | https://github.com/libjxl/libjxl/issues/1811 | 1,397,310,628 | 1,811 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
cjxl fails encoding
(sha256sum of the file is 6ed7af5e245da443fcce378340b81db2c5e982d8ae9972e3c2d65f8a5d90f159)
`jpegtran -copy all` doesn't help.
seems like a test image for some ... | cjxl fails transcoding a jpeg | https://api.github.com/repos/libjxl/libjxl/issues/1810/comments | 5 | 2022-10-04T13:17:54Z | 2024-04-24T14:16:49Z | https://github.com/libjxl/libjxl/issues/1810 | 1,396,263,998 | 1,810 |
[
"libjxl",
"libjxl"
] | If I undesstand correctly, following command should encode the image as if it was 2x downsampled, so the resulting image would be displayed 2x upsampled.
`cjxl lena_std.png lena.jxl --resampling=2 --already_downsampled`
However, cjxl is failing with following error.
```
d:\>cjxl lena_std.png lena.jxl --resampli... | cjxl --already_downsampled is failing | https://api.github.com/repos/libjxl/libjxl/issues/1809/comments | 1 | 2022-10-04T08:47:38Z | 2025-01-18T15:43:10Z | https://github.com/libjxl/libjxl/issues/1809 | 1,395,890,352 | 1,809 |
[
"libjxl",
"libjxl"
] | **Is your feature request related to a problem? Please describe.**
Various descriptive image information is rather important in various image workflows.
One of the common tools to get such information is [exiftool](https://github.com/exiftool/exiftool)
However, currently exiftool doesn't support some of the basic te... | Add image information as xmp metadata to avoid having to parse the bitstream | https://api.github.com/repos/libjxl/libjxl/issues/1806/comments | 13 | 2022-10-03T13:05:33Z | 2025-06-22T11:42:00Z | https://github.com/libjxl/libjxl/issues/1806 | 1,394,701,354 | 1,806 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
the file from an old issue from gitlab https://gitlab.com/wg1/jpeg-xl/-/issues/215 seems to be still failing to encode
compressing https://mega.nz/file/gExDAQRI#O52UgV1bpfNLIol09egKKtZ1tvhKo7ch1V0v3UGJJcM results in no visible error but it fails and exits with error code 1
**To Reproduce**
St... | cjxl fails encoding exr file | https://api.github.com/repos/libjxl/libjxl/issues/1804/comments | 1 | 2022-10-01T20:18:24Z | 2022-10-03T12:52:57Z | https://github.com/libjxl/libjxl/issues/1804 | 1,393,540,363 | 1,804 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
Does not build on armv7l like it does on x86_64
**To Reproduce**
```
mkdir builddir
cmake \
-DCMAKE_INSTALL_PREFIX=/usr/local -DCMAKE_LIBRARY_PATH=/usr/local/lib -DCMAKE_C_FLAGS='-O2 -pipe -ffat-lto-objects -fPIC -fuse-ld=mold -flto' -DCMAKE_CXX_FLAGS='-O2 -pipe -ffat-lto-objects -... | 0.7.0 Fails to build on armv7l w/libjpeg or libjpeg_turbo, and on x86_64,i686 w/ libjpeg_turbo | https://api.github.com/repos/libjxl/libjxl/issues/1802/comments | 12 | 2022-09-30T14:48:32Z | 2022-09-30T22:06:01Z | https://github.com/libjxl/libjxl/issues/1802 | 1,392,557,596 | 1,802 |
[
"libjxl",
"libjxl"
] | **Is your feature request related to a problem? Please describe.**
Currently quick cli file conversions are a bit cumbersome as they require you to pass an explicit output file name argument for no good reason ;)
**Describe the solution you'd like**
I'd prefer the default output file name to be chosen by the cjxl ... | Add default output file name (input_name.jxl) without an OUTPUT argument | https://api.github.com/repos/libjxl/libjxl/issues/1796/comments | 11 | 2022-09-28T13:38:59Z | 2022-10-05T08:36:19Z | https://github.com/libjxl/libjxl/issues/1796 | 1,389,382,212 | 1,796 |
[
"libjxl",
"libjxl"
] | At the moment, it is not used for most (all?) allocations. Either use it for everything, or document this fact. | Clarify the behaviour of the JPEG XL memory manager | https://api.github.com/repos/libjxl/libjxl/issues/1795/comments | 2 | 2022-09-28T13:16:51Z | 2025-06-19T12:51:09Z | https://github.com/libjxl/libjxl/issues/1795 | 1,389,344,938 | 1,795 |
[
"libjxl",
"libjxl"
] | CodecInOut is only used in tests after the transition to using the API functions. Let's remove it and also use the API in the tests. | Remove CodecInOut | https://api.github.com/repos/libjxl/libjxl/issues/1794/comments | 0 | 2022-09-28T13:11:51Z | 2024-03-04T10:12:54Z | https://github.com/libjxl/libjxl/issues/1794 | 1,389,337,023 | 1,794 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
The build fails with the following error:
``` shell
…
112 | D d;
| ^
In function ‘D skx::cast(const S&) [with D = __vector(16) float; S = __vector(16) unsigned char]’,
inlined from ‘skx::F skx::F_from_U8(U8)’ at /home/yaron/.cache/yay/libjxl-git/src/libjxl/third_party... | Cannot build using AUR | https://api.github.com/repos/libjxl/libjxl/issues/1792/comments | 1 | 2022-09-28T09:08:13Z | 2023-04-29T05:52:36Z | https://github.com/libjxl/libjxl/issues/1792 | 1,389,003,052 | 1,792 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
I tried to transcode jpeg image to a jpeg xl image and reconstruct it to jpeg using libjxl API (v0.6.1).
Most jpeg images are successfully transcoded and reconstructed, but som jpeg failed to reconstructing from transcoded jpeg xl.
In my case, failed case has zero padding bits.
I think a paddin... | fail to reconstruct jpeg from jpeg xl | https://api.github.com/repos/libjxl/libjxl/issues/1790/comments | 6 | 2022-09-27T15:58:39Z | 2022-11-04T12:21:50Z | https://github.com/libjxl/libjxl/issues/1790 | 1,388,000,341 | 1,790 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
```
% lib/tests/jxl_test "--gtest_filter=JxlTest.RoundtripLargeFast"
Running main() from ./googletest/src/gtest_main.cc
Note: Google Test filter = JxlTest.RoundtripLargeFast
[==========] Running 1 test from 1 test suite.
[----------] Global test environment set-up.
[----------] 1 test from... | Expected: (Roundtrip(&io, cparams, {}, &pool, &io2)) <= (450800u), actual: 450818 vs 450800 | https://api.github.com/repos/libjxl/libjxl/issues/1788/comments | 1 | 2022-09-27T10:04:27Z | 2022-09-27T19:53:14Z | https://github.com/libjxl/libjxl/issues/1788 | 1,387,481,233 | 1,788 |
[
"libjxl",
"libjxl"
] | One of the many features I like about JXL is the progressive encoding and decoding. So I run all my tests with `cjxl` with the `-p` flag on.
But I have no idea how to then see all the progressive steps that are available when decoding. Running `djxl --help` didn't help me that much. I understand that the flags `--al... | Is there any documentation on how to test progressively encoded images? | https://api.github.com/repos/libjxl/libjxl/issues/1783/comments | 6 | 2022-09-25T05:06:55Z | 2025-05-21T14:25:26Z | https://github.com/libjxl/libjxl/issues/1783 | 1,384,898,643 | 1,783 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
The build fails on platforms where the C++ stdlib doesn't provide a sized variant of operator delete. Removing `-fsized-deallocation` from the flags added to `JPEGXL_INTERNAL_FLAGS` in `lib/CMakeLists.txt` fixes the problem.
**To Reproduce**
Steps to reproduce the behavior:
Try building libj... | -fsized-deallocation causes the build to fail on some systems | https://api.github.com/repos/libjxl/libjxl/issues/1782/comments | 0 | 2022-09-24T23:51:37Z | 2022-09-28T08:28:02Z | https://github.com/libjxl/libjxl/issues/1782 | 1,384,844,382 | 1,782 |
[
"libjxl",
"libjxl"
] | Using Visual Studio v17.2.6; cl.exe 19.32.31332.
In Git Bash:
```sh
./deps.sh
```
In x64 dev prompt:
```
mkdir build && cd build
cmake .. -GNinja -DBUILD_TESTING=OFF
ninja
```
<details>
<summary>CMake output:</summary>
```
-- The C compiler identification is MSVC 19.32.31332.0
-- The CX... | Build failure on MSVC 2022 | https://api.github.com/repos/libjxl/libjxl/issues/1781/comments | 2 | 2022-09-24T18:11:22Z | 2022-09-26T12:22:36Z | https://github.com/libjxl/libjxl/issues/1781 | 1,384,767,600 | 1,781 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
CMYK JXL files are not rendered with correct colors. Even when I decode it to PNG, the colors are still incorrect.
**To Reproduce**
1. Download the [test file](https://github.com/libjxl/conformance/blob/master/testcases/cmyk_layers/input.jxl?raw=true) from the conformance repo.
2. `djxl input... | libjxl fails to render cmyk_layers / export it to PNG with correct colors | https://api.github.com/repos/libjxl/libjxl/issues/1780/comments | 1 | 2022-09-24T06:43:45Z | 2024-04-22T09:49:00Z | https://github.com/libjxl/libjxl/issues/1780 | 1,384,550,852 | 1,780 |
[
"libjxl",
"libjxl"
] | **Is your feature request related to a problem? Please describe.**
Nope
**Describe the solution you'd like**
Add "JXL" text to the file header for future identification of extension less files and/or data recovery
**Describe alternatives you've considered**
NA
**Additional context**
| Add "JXL" text to the file header for future easy identification of extension less files and/or data recovery | https://api.github.com/repos/libjxl/libjxl/issues/1779/comments | 2 | 2022-09-24T04:00:49Z | 2022-09-26T11:51:53Z | https://github.com/libjxl/libjxl/issues/1779 | 1,384,508,118 | 1,779 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
I followed the libjxl documentation of msys2 to build libjxl, I installed packages and built successfully.
Used CMake build commands of MSYS2 PKGBUILD:
```
CFLAGS="-DHWY_COMPILE_ONLY_SCALAR" CXXFLAGS="-DHWY_COMPILE_ONLY_SCALAR" cmake -DCMAKE_INSTALL_PREFIX=/mingw64 -DJPEGXL_ENABLE_PLUGINS=ON ... | ffmpeg does not configure my libjxl build on Windows MSYS2 | https://api.github.com/repos/libjxl/libjxl/issues/1778/comments | 4 | 2022-09-24T00:26:40Z | 2022-10-06T09:22:16Z | https://github.com/libjxl/libjxl/issues/1778 | 1,384,458,425 | 1,778 |
[
"libjxl",
"libjxl"
] | The attached file [rgbau.jxl.zip](https://github.com/libjxl/libjxl/files/9625401/rgbau.jxl.zip) has num_color_channels = 3, num_extra_channels = 2, with the first extra channel being JXL_CHANNEL_OPTIONAL and the second one JXL_CHANNEL_ALPHA
Yet ``jxlinfo -v rgbua.jxl`` reports
```
[...]
JPEG XL image, 20x20, (pos... | JxlBasicInfo.alpha_bits set even for a R,G,B,undefined,alpha file | https://api.github.com/repos/libjxl/libjxl/issues/1773/comments | 6 | 2022-09-22T11:57:56Z | 2024-04-22T09:48:59Z | https://github.com/libjxl/libjxl/issues/1773 | 1,382,327,765 | 1,773 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
Building libjxl fails.
**To Reproduce**
Install asciidoc and run cmake. Configuration succeeds, but the build step fails:
```
[1/215] Generating djxl.1
FAILED: djxl.1 C:/msys64/home/kmilos/MINGW-packages/mingw-w64-libjxl/src/build-UCRT64/djxl.1
cmd.exe /C "cd /D C:\msys64\home\kmilos\MIN... | Unable to build man pages for MinGW | https://api.github.com/repos/libjxl/libjxl/issues/1772/comments | 1 | 2022-09-22T08:20:10Z | 2024-03-04T10:12:53Z | https://github.com/libjxl/libjxl/issues/1772 | 1,382,032,703 | 1,772 |
[
"libjxl",
"libjxl"
] | **To Reproduce**
`cjxl -m 1 -I 0 -P 0 -e 9 -g 3 --patches=0 image.png image.jxl`
**Actual behavior**
`JxlEncoderProcessOutput failed.`
**Expected behavior**
Show a clearer message so that the user knows that the combination of lossy modular with no MA tree learning is not yet implemented. | Lossy modular with no MA tree learning fails with a cryptic error | https://api.github.com/repos/libjxl/libjxl/issues/1765/comments | 2 | 2022-09-21T05:15:18Z | 2025-01-17T23:18:57Z | https://github.com/libjxl/libjxl/issues/1765 | 1,380,329,897 | 1,765 |
[
"libjxl",
"libjxl"
] | I'm implementing support for lossy 16bit RGB compression with JXL and am encountering an issue. However I can reproduce my issue with cjxl.
Test image (16bit png, so doesn't render in gihub):
Test setu... | Guidance for lossy 16bit compression | https://api.github.com/repos/libjxl/libjxl/issues/1763/comments | 14 | 2022-09-20T09:59:53Z | 2024-09-16T08:07:52Z | https://github.com/libjxl/libjxl/issues/1763 | 1,379,146,947 | 1,763 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
I was converting my library from JPG to JXL and stumbled upon a few files where cjxl would not produce any output, even though it returns with 0 exist codes and shows as if everything is correct
**To Reproduce**
1.Download [this file](https://user-images.githubusercontent.com/1924829/190955641... | No output file produced when converting a JPG file, cjxl exists without error | https://api.github.com/repos/libjxl/libjxl/issues/1759/comments | 3 | 2022-09-19T05:43:03Z | 2022-09-19T22:30:32Z | https://github.com/libjxl/libjxl/issues/1759 | 1,377,430,583 | 1,759 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
While decoding with djxl works fine, gimp shows some weird artifacts when using resampling while encoding.
**To Reproduce**
Steps to reproduce the behavior:
Encode a file with
`cjxl -m -e 9 --resampling=2 test.png test.jxl`
**Expected behavior**
Gimp should decode the files the same a... | Decoding error in gimp when using modular with resampling | https://api.github.com/repos/libjxl/libjxl/issues/1758/comments | 3 | 2022-09-19T02:50:34Z | 2024-03-04T10:12:52Z | https://github.com/libjxl/libjxl/issues/1758 | 1,377,318,141 | 1,758 |
[
"libjxl",
"libjxl"
] | Could you please tag all future release major.minor.patch instead of major.minor?
Thanks. | Keep tagged release major.minor.patch | https://api.github.com/repos/libjxl/libjxl/issues/1757/comments | 2 | 2022-09-18T13:35:57Z | 2022-09-21T09:16:09Z | https://github.com/libjxl/libjxl/issues/1757 | 1,377,061,642 | 1,757 |
[
"libjxl",
"libjxl"
] | It seems I can't compile without enabling -DJXL_HWY_DISABLED_TARGETS_FORCED:BOOL=ON.
If I don't I get the following errors:
```
<command-line>: error: 'HWY_SVE_256' was not declared in this scope; did you mean 'HWY_SVE2'?
<command-line>: error: 'HWY_SVE2_128' was not declared in this scope; did you mean 'HWY_SV... | What does JXL_HWY_DISABLED_TARGETS_FORCED do? | https://api.github.com/repos/libjxl/libjxl/issues/1756/comments | 0 | 2022-09-18T12:43:02Z | 2022-10-06T08:48:43Z | https://github.com/libjxl/libjxl/issues/1756 | 1,377,043,993 | 1,756 |
[
"libjxl",
"libjxl"
] | cjxl doesn't accept --resampling=2, it complains it is an invalid resampling value. Other resampling values do work.
```
d:\>cjxl lena_std.png lena.jxl --resampling=2
JPEG XL encoder v0.8.0 7c0ce23 [SSE4,SSSE3,Unknown]
Invalid flag value for --resampling: Valid values are {-1, 1, 2, 4, 8}.
d:\>cjxl lena_std.png ... | cjxl not accepting --resampling=2 | https://api.github.com/repos/libjxl/libjxl/issues/1755/comments | 1 | 2022-09-18T10:51:56Z | 2024-03-04T10:12:52Z | https://github.com/libjxl/libjxl/issues/1755 | 1,377,016,324 | 1,755 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
My assumptions are that the release version will also be tagged as 0.7 like the previous 0.6 release and as can be seen in the current release candidate. The tarball is versioned `0.7rc` but the actual program output of e.g. `djxl --version` is reporting `0.7.0`, the library is also versioned `lib... | version discrepancy between tag/tarball and version/library/pkg-config | https://api.github.com/repos/libjxl/libjxl/issues/1751/comments | 3 | 2022-09-15T10:16:31Z | 2022-10-05T12:00:34Z | https://github.com/libjxl/libjxl/issues/1751 | 1,374,285,338 | 1,751 |
[
"libjxl",
"libjxl"
] | hey everyone,
I got these build errors when compiling libjxl on armv7:
```
/usr/lib/gcc/armv7a-unknown-linux-gnueabihf/10.4.0/include/arm_neon.h:10974:1: error: inlining failed in call to ‘always_inline’ ‘void vst1q_f32(float32_t*, float32x4_t)’: target specific option mismatch
/usr/lib/gcc/armv7a-unknown-lin... | libjxl fails to compile on armv7 | https://api.github.com/repos/libjxl/libjxl/issues/1748/comments | 10 | 2022-09-15T06:26:15Z | 2023-03-06T08:01:43Z | https://github.com/libjxl/libjxl/issues/1748 | 1,373,994,534 | 1,748 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
```
-d maxError, --distance=maxError
Max. butteraugli distance, lower = higher quality. Range: 0 .. 25.
0.0 = mathematically lossless. Default for already-lossy input (JPEG/GIF).
1.0 = visually lossless. Default for other input.
```
This help text gives the impression that sel... | -d 1 is much larger than (implicit) -d 0 due to silent switch to VarDCT | https://api.github.com/repos/libjxl/libjxl/issues/1746/comments | 13 | 2022-09-14T17:46:16Z | 2025-01-18T02:38:13Z | https://github.com/libjxl/libjxl/issues/1746 | 1,373,364,524 | 1,746 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
One of the trials I did to support HDR in Krita involved asking libjxl to convert the pixels' data type, from whatever their original format, to `JXL_TYPE_FLOAT`. This saves me from having to convert the pixels myself before linearizing (our HDR machinery expect floating point images):
```
... | JxlDecoderSetImageOutCallback cannot reliably convert the pixel data type | https://api.github.com/repos/libjxl/libjxl/issues/1745/comments | 2 | 2022-09-14T15:51:23Z | 2024-03-04T10:12:52Z | https://github.com/libjxl/libjxl/issues/1745 | 1,373,224,500 | 1,745 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
Encoding an image with `cjxl -v -q 0` fails. The error message "Setting frame distance failed" is output.
**To Reproduce**
Steps to reproduce the behavior:
1. Download [tiger.png](https://user-images.githubusercontent.com/51164219/189933857-4a79b7d3-1168-47bf-a4f3-475b3a817754.png)
2. Build ... | cjxl -q 0 fails with "Setting frame distance failed" | https://api.github.com/repos/libjxl/libjxl/issues/1741/comments | 2 | 2022-09-13T15:33:00Z | 2022-10-07T12:42:00Z | https://github.com/libjxl/libjxl/issues/1741 | 1,371,644,934 | 1,741 |
[
"libjxl",
"libjxl"
] | https://github.com/Frozen1084/test/releases/download/test/4676.6000_9af79512a3c64ed8945e54b4c9cbed22.jpg
I tried to convert this 32MB JPG image (4676x6000) and when I use the parameter "--lossless_jpeg=0 -d 1.0", it all works fine and there is no difference with other images. It took about 3 seconds. jxl file 6483KB... | Bad behavior when processing large size images | https://api.github.com/repos/libjxl/libjxl/issues/1737/comments | 8 | 2022-09-11T20:16:47Z | 2025-01-13T10:53:57Z | https://github.com/libjxl/libjxl/issues/1737 | 1,369,052,599 | 1,737 |
[
"libjxl",
"libjxl"
] | [Invalid_read_of_size_4.zip](https://github.com/libjxl/libjxl/files/9542867/Invalid_read_of_size_4.zip)
Testing latest commit from [0.7.x](https://github.com/libjxl/libjxl/tree/v0.7.x) branch.
`valgrind djxl clusterfuzz-testcase-minimized-kimgio_jxl_fuzzer-6272022027567104.jxl out.png`
```
==17945== Invalid r... | Invalid read of size 4 in jxl::PerformBlending | https://api.github.com/repos/libjxl/libjxl/issues/1736/comments | 2 | 2022-09-11T15:26:34Z | 2024-03-04T10:12:52Z | https://github.com/libjxl/libjxl/issues/1736 | 1,368,979,724 | 1,736 |
[
"libjxl",
"libjxl"
] | what is better to build with? | skcms vs lcms2? | https://api.github.com/repos/libjxl/libjxl/issues/1734/comments | 3 | 2022-09-09T13:49:58Z | 2022-09-14T10:35:17Z | https://github.com/libjxl/libjxl/issues/1734 | 1,367,858,595 | 1,734 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
When I use nightly cjxl to encode an image at a high distance (>=20), and uses Gwenview to view the output, the output is corrupted.
**To Reproduce**
1. Encode an image with nightly cjxl: `cjxl -d 20 wollerau.png new-20.jxl`
2. View the image in Gwenview
**Expected behavior**
The i... | At distance >= 20, v0.6.1 + kimageformats + Gwenview fail to properly render nightly's output | https://api.github.com/repos/libjxl/libjxl/issues/1732/comments | 4 | 2022-09-07T14:26:57Z | 2024-03-04T10:12:51Z | https://github.com/libjxl/libjxl/issues/1732 | 1,364,753,364 | 1,732 |
[
"libjxl",
"libjxl"
] | [Z:/libjxl-main/lib/extras/enc/jpg.cc:169] (performance) Parameter 'exif' is passed by value. It could be passed as a const reference which is usually faster and recommended in C++. [passedByValue]
[Z:/libjxl-main/plugins/gimp/file-jxl-save.cc:604] (performance) Parameter 'model' is passed by value. It could be passed... | Code analysis | https://api.github.com/repos/libjxl/libjxl/issues/1728/comments | 1 | 2022-09-05T05:53:40Z | 2024-03-04T10:12:51Z | https://github.com/libjxl/libjxl/issues/1728 | 1,361,439,096 | 1,728 |
[
"libjxl",
"libjxl"
] | In the ImageMagick project we would like to have the possibility to add version checks in our code to make it possible to be compatible with multiple versions of the libjxl library. For now we will force people to use the latest version but it would be nice if we could add versions checks in the future
It would be n... | Add lib/include/jxl/jxl_version.h | https://api.github.com/repos/libjxl/libjxl/issues/1721/comments | 2 | 2022-08-28T18:08:04Z | 2024-03-04T10:12:51Z | https://github.com/libjxl/libjxl/issues/1721 | 1,353,428,688 | 1,721 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
Throughout the libjxl code there are references to the CMYK color space being supported. However,
https://github.com/libjxl/libjxl/blob/4c31ef03e3fd5239d6b794771d4ae7daa7815b28/lib/jxl/encode.cc#L754
this check actively prevents us from exporting JXL CMYK images.
**To Reproduce**
Call... | Unclear support status for CMYK in v0.7 | https://api.github.com/repos/libjxl/libjxl/issues/1719/comments | 10 | 2022-08-25T13:39:26Z | 2025-06-19T13:34:18Z | https://github.com/libjxl/libjxl/issues/1719 | 1,350,919,201 | 1,719 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
I'm trying to build libjxl on MSVC 2019, x64 debug.
I'm currently getting a series of compiler errors when building "stage_upsampling.cc":
```
template <ssize_t N>
void ProcessRowImpl(const RowInfo& input_rows, const RowInfo& output_rows,
ssize_t x0, ssize_t x1) ... | stage_upsampling.cc not building on MSVC 2019 (C4789 error claiming buffer overrun) | https://api.github.com/repos/libjxl/libjxl/issues/1715/comments | 2 | 2022-08-24T15:54:42Z | 2024-03-04T10:12:50Z | https://github.com/libjxl/libjxl/issues/1715 | 1,349,674,198 | 1,715 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
I would like to run 'make test' without error. One test is currently failing:
```
The following tests FAILED:
990 - DecodeTest.ContinueFinalNonEssentialBoxTest (SEGFAULT)
```
**To Reproduce**
I can reproduce it on Debian/stable (gcc-10) and Debian/sid (gcc-12).
```
% lib/tests/d... | DecodeTest.ContinueFinalNonEssentialBoxTest is failing in 0.7rc | https://api.github.com/repos/libjxl/libjxl/issues/1710/comments | 3 | 2022-08-22T12:48:49Z | 2025-01-30T12:51:43Z | https://github.com/libjxl/libjxl/issues/1710 | 1,346,370,623 | 1,710 |
[
"libjxl",
"libjxl"
] | Hi,
I'd like to specify a different downsampling ratio and quality ratio for each extra channel, in the same way it is possible to specify a different quantization on a per-channel basis.
For example, such an image would have those parameters set for each of its extra channel:
```
downsamplin... | Different compression and downsampling ratios for extra channels | https://api.github.com/repos/libjxl/libjxl/issues/1707/comments | 0 | 2022-08-18T15:57:44Z | 2022-10-06T08:49:17Z | https://github.com/libjxl/libjxl/issues/1707 | 1,343,308,295 | 1,707 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
if input are jpg files, cjxl only output lossless jxl files,with -q 、-d options.
**Screenshots**
[AVX2,SSE4,SSSE3,Unknown]("Unknown" is "Emu128" in v0.7.0)
**Environment**
- OS: Windows10 ... | The last version cjxl.exe can't turn jpg files to lossy jxl files. | https://api.github.com/repos/libjxl/libjxl/issues/1706/comments | 4 | 2022-08-18T05:33:59Z | 2022-08-23T14:04:52Z | https://github.com/libjxl/libjxl/issues/1706 | 1,342,581,406 | 1,706 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
Since 2022-07-18 the automatic builds on "https://artifacts.lucaversari.it/libjxl/libjxl/" for windows static are not executable anymore.
Some not included dll's like brotli are requestet.
Also the file size of the exe is smaler since then.
**To Reproduce**
Start exe on winodws system withou... | Windows static build seems to be dynamic | https://api.github.com/repos/libjxl/libjxl/issues/1694/comments | 7 | 2022-08-11T07:29:47Z | 2022-12-18T17:03:04Z | https://github.com/libjxl/libjxl/issues/1694 | 1,335,576,405 | 1,694 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
I'd like to be able to compile libjxl 0.7rc on arm64 with highway 1.0. It currently fails with:
[256/392] /usr/bin/c++ -DJPEGXL_ENABLE_APNG=1 -DJPEGXL_ENABLE_EXR=1 -DJPEGXL_ENABLE_JPEG=1 -DJXL_EXPORT="" -DJXL_THREADS_STATIC_DEFINE -DTEST_DATA_PATH=\"/usr/share/libjxl-testdata\" -D__DATE__=\"r... | error: there are no arguments to ‘Abs’ that depend on a template parameter, so a declaration of ‘Abs’ must be available [-fpermissive] | https://api.github.com/repos/libjxl/libjxl/issues/1693/comments | 3 | 2022-08-10T11:22:24Z | 2024-04-22T09:45:50Z | https://github.com/libjxl/libjxl/issues/1693 | 1,334,474,535 | 1,693 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
I'd like to run 'make test' without error. make test return the following:
The following tests FAILED:
2522 - DjxlFuzzerTestInstantiation/DjxlFuzzerTest.TestOne/4546077333782528 (ILLEGAL)
<snip>
2563 - DjxlFuzzerTestInstantiation/DjxlFuzzerTest.TestOne/6735607318052864 (ILLEGAL)
2564 -... | DjxlFuzzerTestInstantiation/DjxlFuzzerTest.TestOne/ status ? | https://api.github.com/repos/libjxl/libjxl/issues/1692/comments | 5 | 2022-08-10T11:20:32Z | 2024-03-04T10:12:49Z | https://github.com/libjxl/libjxl/issues/1692 | 1,334,472,401 | 1,692 |
[
"libjxl",
"libjxl"
] | I can't build on Arch Linux libjxl from git with LLVM/Clang instead GCC.
My `makepkg.conf`:
```bash
#!/hint/bash
#
# /etc/makepkg.conf
#
#########################################################################
# SOURCE ACQUISITION
#########################################################################
... | Build fails with clang | https://api.github.com/repos/libjxl/libjxl/issues/1688/comments | 8 | 2022-08-09T12:56:24Z | 2024-03-04T11:02:12Z | https://github.com/libjxl/libjxl/issues/1688 | 1,333,219,558 | 1,688 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
When building from source, I encounter linker issues on macOS.
```console
$ otool -L lib/libjxl.dylib
lib/libjxl.dylib:
/Users/ajstewart/spack/opt/spack/darwin-monterey-m1/apple-clang-13.1.6/libjxl-main-swqqeydkhwe6vivbmo6aigloq352xq2v/lib/libjxl.0.7.dylib (compatibility version 0.7.0, cur... | brotli linking issues on macOS | https://api.github.com/repos/libjxl/libjxl/issues/1686/comments | 6 | 2022-08-08T23:37:06Z | 2024-03-04T10:12:48Z | https://github.com/libjxl/libjxl/issues/1686 | 1,332,520,263 | 1,686 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
Small and simple issue, the cjxl flag for enabling the lossy palette is misspelt [here](https://github.com/libjxl/libjxl/blob/79293824dcdb91f1f934244b6f48e83bfed97588/tools/cjxl_main.cc#L353). It's `moular_lossy_palette` instead of `modular_lossy_palette`. | Spelling mistake in cjxl "modular lossy palette" flag | https://api.github.com/repos/libjxl/libjxl/issues/1668/comments | 1 | 2022-08-02T11:40:55Z | 2022-08-02T14:24:45Z | https://github.com/libjxl/libjxl/issues/1668 | 1,325,725,904 | 1,668 |
[
"libjxl",
"libjxl"
] | Hello,
I encoded following picture using old and new cjxl.
When viewing the JXL output in Google Chrome, the old one has correct orientation but new one is not rotated.
Encoded files:
[ol... | New cjxl seems to ignore Exif orientation | https://api.github.com/repos/libjxl/libjxl/issues/1667/comments | 3 | 2022-08-01T16:56:29Z | 2024-03-04T10:12:48Z | https://github.com/libjxl/libjxl/issues/1667 | 1,324,706,662 | 1,667 |
[
"libjxl",
"libjxl"
] | djxl v0.6.1 is unable to decode JXL files that were created by JPEG lossless transcode using recent version of cjxl.
```
d:\>cjxl Obrázky\tapeta.jpg a.jxl
WARNING: CPU supports 1800 but software requires 2000000000000000
JPEG XL encoder v0.7.0 40460f7 [SSE4,SSSE3]
Read JPEG image with 80401 bytes.
Encoding [Conta... | djxl v0.6.1 unable to decode JPEG transcoded to JXL by cjxl v0.7.0 | https://api.github.com/repos/libjxl/libjxl/issues/1666/comments | 1 | 2022-07-31T15:36:27Z | 2022-08-03T08:06:24Z | https://github.com/libjxl/libjxl/issues/1666 | 1,323,494,438 | 1,666 |
[
"libjxl",
"libjxl"
] | **Is your feature request related to a problem? Please describe.**
`git describe --tags main` yields `v0.3.7-1197-g40460f72`
**Describe the solution you'd like**
add tags at the branch-off points in master
e.g. tag `20cccbf646158cb128d68db20d12f93d1fb9b6a1` as `v0.6.x`
resulting in `git describe --tags main` yie... | add tags for reasonable `git describe` output | https://api.github.com/repos/libjxl/libjxl/issues/1665/comments | 11 | 2022-07-31T05:12:18Z | 2022-08-03T13:58:53Z | https://github.com/libjxl/libjxl/issues/1665 | 1,323,364,481 | 1,665 |
[
"libjxl",
"libjxl"
] | cjxl.exe image_21447_24bit.exr image_21447_24bit_exr.jxl -v -m 1 -q 100 -e 5 -C 1 --num_threads=4
JPEG XL encoder v0.7.0 0.7.0-59f7d19 [Unknown]
cjxl_main.cc:676: JXL_FAILURE: Codecs failed to decode input. | Problem with OpenEXR | https://api.github.com/repos/libjxl/libjxl/issues/1662/comments | 3 | 2022-07-30T06:29:46Z | 2025-01-22T12:06:32Z | https://github.com/libjxl/libjxl/issues/1662 | 1,322,915,548 | 1,662 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
When building with libhwy > 0.15.0, the build fails with a variety of error messages (.
**To Reproduce**
Just build with libhwy > 0.15.0. GCC will emit a bunch of error messages related to entities not being found (I suspect they've been moved around).
**Expected behavior**
libjxl should b... | 0.6.1: build fails with libhwy > 0.15.0 | https://api.github.com/repos/libjxl/libjxl/issues/1659/comments | 5 | 2022-07-27T17:28:05Z | 2024-03-04T10:12:48Z | https://github.com/libjxl/libjxl/issues/1659 | 1,319,870,873 | 1,659 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
When transcoding an image from JPEG to JPEG XL with `-j 0` without any extra parameters, the files generated are very large and seems to use a lossless VarDCT mode (can be emulated with a very small `-d`). The command output is contradictory: it says `Setting 'lossless' default for GIF or JPEG inp... | Transcoding from JPEG with -j 0 and no distance uses a lossless VarDCT mode | https://api.github.com/repos/libjxl/libjxl/issues/1657/comments | 6 | 2022-07-27T12:30:55Z | 2024-03-04T10:12:48Z | https://github.com/libjxl/libjxl/issues/1657 | 1,319,494,802 | 1,657 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
Attempting to build ffmpeg 5.1 with libjxl support fails during the configuration of ffmpeg
due to failing pkgconfig check for libjxl>=0.7.0, checking the config.log in rebuild it show it actually fails with
unknown symbol errors referring to the standard C++ libraries.
It might be clang issue... | libjxl's pkgconfig checks fail on macos, needs -lstdc++ | https://api.github.com/repos/libjxl/libjxl/issues/1648/comments | 6 | 2022-07-25T12:50:35Z | 2024-03-04T10:12:47Z | https://github.com/libjxl/libjxl/issues/1648 | 1,316,792,163 | 1,648 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
Test suite fails to pass when compiling with `-Wp,-D_GLIBCXX_ASSERTIONS` on `CXXFLAGS`, showing the error `Assertion '__n < this->size()' failed`. This flag is enabled by default on some Linux distributions build tools, [like on Arch Linux](https://github.com/archlinux/devtools/blob/20220621/makep... | Test suite fails when compiling with `-Wp,-D_GLIBCXX_ASSERTIONS` | https://api.github.com/repos/libjxl/libjxl/issues/1644/comments | 0 | 2022-07-23T15:12:08Z | 2024-03-04T10:12:47Z | https://github.com/libjxl/libjxl/issues/1644 | 1,315,680,885 | 1,644 |
[
"libjxl",
"libjxl"
] | GCC 11.3.1 20220429
libjxl version 0.7.0-c2548a1
cjxl.exe image_21447_24bit.png image_21447_24bit.jxl -v -m -q 100 -s 5 -C 1 --num_threads=4
`Invalid flag, -q must be 0 or 1` | Problem with creating photos | https://api.github.com/repos/libjxl/libjxl/issues/1643/comments | 3 | 2022-07-23T05:02:56Z | 2022-07-26T17:55:34Z | https://github.com/libjxl/libjxl/issues/1643 | 1,315,562,186 | 1,643 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
When using effort 6 (or lower) and an iso-value is specified, cjxl will crash ungracefully.
**To Reproduce**
Run one of the following commands:
```console
$ cjxl --jpeg_transcode --effort=6 --photon_noise=ISO400 'original.jpg' 'converted.jxl'
$ cjxl --jpeg_transcode --effort=5 --photon_no... | Crash on effort 6 and iso value | https://api.github.com/repos/libjxl/libjxl/issues/1634/comments | 2 | 2022-07-20T13:47:03Z | 2022-07-26T09:34:14Z | https://github.com/libjxl/libjxl/issues/1634 | 1,311,143,544 | 1,634 |
[
"libjxl",
"libjxl"
] | I bench-marked about 2k of my private digital cam pictures with d=1.0 and different efforts using "JPEG XL encoder v0.7.0 ab775e2".
First I checked some hundreds in an effort range from 2 to 8 and found that the resulting BPP for 3 is almost same as with effort 4. Effort 5 is near effort 6 in resulting BPP. Effort ... | Suggest to switch to default effort 3 | https://api.github.com/repos/libjxl/libjxl/issues/1632/comments | 11 | 2022-07-19T16:38:35Z | 2023-03-13T14:10:14Z | https://github.com/libjxl/libjxl/issues/1632 | 1,309,785,963 | 1,632 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
Running `cjxl -d 0 input.png output.jxl` causes cjxl to report something like: `Encoding [VarDCT, lossless, effort: 7],` which is not correct. It does actually encode it losslessly, which forces modular mode and the original profile, as it should, so this is only an error in the human-readable rep... | cjxl reports VarDCT for lossless (but correctly uses modular) | https://api.github.com/repos/libjxl/libjxl/issues/1627/comments | 0 | 2022-07-19T10:08:35Z | 2022-07-21T07:20:57Z | https://github.com/libjxl/libjxl/issues/1627 | 1,309,289,817 | 1,627 |
[
"libjxl",
"libjxl"
] | **Is your feature request related to a problem? Please describe.**
Software like [DigiKam](https://www.digikam.org/) and [LibrePhotos](https://github.com/LibrePhotos/librephotos) detect faces via image recognition with a NN. Afterwards the faces are stored as x/y w/h information either in a database, a sidecar file or... | Ability to decode a section of the picture via x/y h/w with minimal I/O | https://api.github.com/repos/libjxl/libjxl/issues/1623/comments | 11 | 2022-07-18T08:13:28Z | 2025-03-02T00:56:59Z | https://github.com/libjxl/libjxl/issues/1623 | 1,307,566,738 | 1,623 |
[
"libjxl",
"libjxl"
] | **Is your feature request related to a problem? Please describe.**
For responsive websites it may be necessary to decode a JXL to a different image format for older clients, with a certain maximum bit depth and an upper boundary on the image resolution.
**Describe the solution you'd like**
It would be nice if ther... | Decoding with limited image dimensions as output | https://api.github.com/repos/libjxl/libjxl/issues/1621/comments | 1 | 2022-07-16T18:35:11Z | 2024-08-08T15:52:50Z | https://github.com/libjxl/libjxl/issues/1621 | 1,306,875,193 | 1,621 |
[
"libjxl",
"libjxl"
] | I tried to reencode a JPEG XL image to a progressive JPEG XL image, but it seems cjxl is not accepting JPEG XL as input.
I thought when using JPEG XL as input already the reencoding could maybe benefit from the encoded information already available..? Also the parallelization seems to be poor when encoding (only using... | Progressive reencoding #cjxl | https://api.github.com/repos/libjxl/libjxl/issues/1615/comments | 3 | 2022-07-14T18:31:39Z | 2022-07-15T07:00:19Z | https://github.com/libjxl/libjxl/issues/1615 | 1,305,151,171 | 1,615 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
If you pass `cjxl` a non-existent file or a file it cannot read, it won't tell you, it will just exit with failure.
**To Reproduce**
Steps to reproduce the behavior:
Just run `cjxl sdkjgksgj.png` or some other nonexistent file and cjxl dumps the banner and does nothing.
**Expected behavior... | cjxl reports no error message upon failing to read input | https://api.github.com/repos/libjxl/libjxl/issues/1592/comments | 8 | 2022-07-11T20:39:48Z | 2022-07-18T04:54:16Z | https://github.com/libjxl/libjxl/issues/1592 | 1,301,200,202 | 1,592 |
[
"libjxl",
"libjxl"
] | current head of git fails to compile with a total of 2235 errors, something must have gone very wrong recently.
Here are a few of them:
```
../lib/jxl/fast_math-inl.h:133:10: error: ‘GetLane’ was not declared in this scope
```
```
../lib/jxl/fast_math-inl.h:115:24: error: ‘Abs’ was not declared in this scop... | libjxl fails to compile with many different errors for arm64 | https://api.github.com/repos/libjxl/libjxl/issues/1582/comments | 10 | 2022-07-07T10:30:14Z | 2022-07-14T15:05:28Z | https://github.com/libjxl/libjxl/issues/1582 | 1,297,168,278 | 1,582 |
[
"libjxl",
"libjxl"
] | [Wrong colors images.zip](https://drive.google.com/file/d/1-vQf05lzci1N9R4g4hYgoBoiTR6S8AC7/view?usp=sharing)
The wrong colors zip is around 290MB which is why I had to use Google Drive for the upload. The jxl file is one using the default parameters for cjxl.exe
**Describe the bug**
I used the release version 0.6... | PNG to JPEG XL conversion using default (-d 1) parameters is causing wrong colors | https://api.github.com/repos/libjxl/libjxl/issues/1579/comments | 16 | 2022-07-06T07:45:34Z | 2024-04-22T12:31:34Z | https://github.com/libjxl/libjxl/issues/1579 | 1,295,374,343 | 1,579 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
I have a JPEG->JXL reconstructed file. `uses_original_profile = true` because it's a JPEG reconstruction, and it's got a simple sRGB enum set with no attached ICC profile. The following results in a JXL_ERROR being returned:
```
JxlColorEncoding jxl_color;
JxlDecoderGetColorAsEncodedProfile(dec... | JxlDecoderSetPreferredColorProfile regression when uses_original_profile=true | https://api.github.com/repos/libjxl/libjxl/issues/1578/comments | 0 | 2022-07-05T19:23:56Z | 2022-07-07T16:22:49Z | https://github.com/libjxl/libjxl/issues/1578 | 1,294,678,834 | 1,578 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
The documentation for `JxlEncoderSetFrameDistance` says that you can pass in any value between 0 and 15, and that 0 is "mathematically lossless".
But if you actually pass in 0, then try to encode an image using VarDCT mode, you get a division by 0 exception later on.
The line of code that ac... | Calling JxlEncoderSetFrameDistance with distance 0 causes division by zero error once encoding happens (VarDCT mode) | https://api.github.com/repos/libjxl/libjxl/issues/1568/comments | 0 | 2022-07-03T02:45:08Z | 2022-07-04T08:38:25Z | https://github.com/libjxl/libjxl/issues/1568 | 1,292,190,842 | 1,568 |
[
"libjxl",
"libjxl"
] | Build failed with `-DJPEGXL_EMSCRIPTEN=OFF`. The compiler throw
`x86_64-w64-mingw32/bin/ld: cannot find -ljxl_extras-static: No such file or directory`
when I checked commit fd4028d
https://github.com/libjxl/libjxl/blob/9eaaebf6cd93c6c694811baf38e14f66aa0b1922/tools/CMakeLists.txt#L424-L431
The `else()` block... | Build error JPEGXL_EMSCRIPTEN=OFF | https://api.github.com/repos/libjxl/libjxl/issues/1564/comments | 1 | 2022-07-02T00:15:30Z | 2022-07-03T09:49:19Z | https://github.com/libjxl/libjxl/issues/1564 | 1,291,917,434 | 1,564 |
[
"libjxl",
"libjxl"
] | My current idea for this is to add `enum JxlColorPlane` with values like `ALL, RED, GREEN, BLUE, LUMA, EXTRA` etc. `JxlDecoderSetOutputBufferPlane` would be added as a function similar to `JxlDecoderSetOutputBuffer` (and similar things for the callback functions), but it would accept an extra `enum JxlColorPlane` as an... | API Proposal: Set individual buffers for planar output | https://api.github.com/repos/libjxl/libjxl/issues/1542/comments | 1 | 2022-06-28T18:45:04Z | 2024-03-04T10:12:47Z | https://github.com/libjxl/libjxl/issues/1542 | 1,287,743,479 | 1,542 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
Documentation on what "delta palette" or "lossy palette" is and why anyone would use it is missing.
I am the primary manual writer for Krita, and have read more or less everything related to JPEG XL to be able to write an artist friendly description of the export options, and I think I've manag... | Lacking documentation on 'Delta Palette' | https://api.github.com/repos/libjxl/libjxl/issues/1540/comments | 8 | 2022-06-28T11:41:50Z | 2025-06-20T11:13:35Z | https://github.com/libjxl/libjxl/issues/1540 | 1,287,215,388 | 1,540 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
We are trying to test JXL on ARM Cortex-M7 embedded microcontroller using Arm GNU Toolchain for bare-metal target. No idea if it would work and how well, but first step is to make it compiling. Unfortunately the libjxl code does not compile because integer types are mixed up. E.g. int and int32_t... | Integer types mixup | https://api.github.com/repos/libjxl/libjxl/issues/1534/comments | 6 | 2022-06-27T09:34:42Z | 2024-03-04T10:12:46Z | https://github.com/libjxl/libjxl/issues/1534 | 1,285,522,765 | 1,534 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
Failed to configure
```console
<pre>
CMake Error at lib/jxl.cmake:497 (add_library):
Error evaluating generator expression:
$<TARGET_OBJECTS:skcms-obj>
Objects of target "skcms-obj" referenced but no such target exists.
Call Stack (most recent call first):... | $<TARGET_OBJECTS:skcms-obj> | https://api.github.com/repos/libjxl/libjxl/issues/1532/comments | 2 | 2022-06-25T05:25:59Z | 2024-03-04T10:55:32Z | https://github.com/libjxl/libjxl/issues/1532 | 1,284,457,573 | 1,532 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
While building [this PR](https://repo.palemoon.org/MoonchildProductions/UXP/pulls/1928) which will include JPEG-XL support to [Pale Moon's](http://www.palemoon.org/) platform, the project owner who is on Windows found that it fails to build with the MSVC compiler, which we use to build Pale Moon o... | Build error in MSVC (error C2146: syntax error: missing ';' before identifier 'JxlDecoderStatus') | https://api.github.com/repos/libjxl/libjxl/issues/1525/comments | 9 | 2022-06-22T03:48:17Z | 2022-06-24T13:33:39Z | https://github.com/libjxl/libjxl/issues/1525 | 1,279,461,308 | 1,525 |
[
"libjxl",
"libjxl"
] | /lib/jxl/dec_huffman.cc line 73
Maybe here is a shift of a negative value possible.
Code:
old_repeat = repeat;
if (repeat > 0) {
repeat -= 2;
repeat <<= extra_bits; // shift if repeat == -1
}
| undefined behavior | https://api.github.com/repos/libjxl/libjxl/issues/1520/comments | 1 | 2022-06-20T15:45:37Z | 2024-03-04T10:12:46Z | https://github.com/libjxl/libjxl/issues/1520 | 1,277,113,537 | 1,520 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
The build artifact "jxl-x64-windows-static" (e.g. from https://github.com/libjxl/libjxl/actions/runs/2514725515) is missing the DLLs `brotlidec.dll` and `brotlienc.dll`, which is needed to run `cjxl_ng.exe`, `djxl_ng.exe` and `jxlinfo.exe`.
**To Reproduce**
Steps to reproduce the behavior:
1.... | GitHub Action build missing brotlidec.dll, brotlienc.dll | https://api.github.com/repos/libjxl/libjxl/issues/1518/comments | 1 | 2022-06-18T16:57:24Z | 2025-05-21T14:26:05Z | https://github.com/libjxl/libjxl/issues/1518 | 1,275,835,241 | 1,518 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
When decoding a grayscale animated JXL to APNG, `djxl` reports the following line, and then crashes with SIGILL:
```
./lib/jxl/image_bundle.cc:34: JXL_CHECK: metadata_->color_encoding.IsGray() == c_current.IsGray()
Illegal instruction (core dumped)
```
If the same file is decoded but no APNG ... | djxl: Color Encoding check fails when decoding grayscale animated JXL to APNG | https://api.github.com/repos/libjxl/libjxl/issues/1517/comments | 5 | 2022-06-18T15:34:02Z | 2022-07-05T19:27:40Z | https://github.com/libjxl/libjxl/issues/1517 | 1,275,818,165 | 1,517 |
[
"libjxl",
"libjxl"
] | I noted in #1492 that Gimp and ImageMagick do produce wildly different compression results with quality 100:
I have the suspicion that ImageMagick does not switch to lossless modular when `-quality 100` is set by the user.
Can you have a look at what ImageMagick outputs when just `-quality 100` and a `.jxl` as ou... | ImageMagick seems to be very poor in compressing with Quality 100 | https://api.github.com/repos/libjxl/libjxl/issues/1516/comments | 2 | 2022-06-17T18:59:25Z | 2022-06-29T14:44:30Z | https://github.com/libjxl/libjxl/issues/1516 | 1,275,366,638 | 1,516 |
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