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**
gThumb does not start anymore (since today). I get the following error:
** (gthumb:4589): CRITICAL **: 19:48:07.750: Could not load the mandatory extension 'cairo_io': Could not open the module “cairo_io”: libjxl.so.0: cannot open shared object file: No such file or directory
Aborted (core dumpe... | gThumb would not start | https://api.github.com/repos/libjxl/libjxl/issues/1515/comments | 1 | 2022-06-17T18:13:23Z | 2022-06-21T13:21:12Z | https://github.com/libjxl/libjxl/issues/1515 | 1,275,333,252 | 1,515 |
[
"libjxl",
"libjxl"
] | Please add JXL_PRIMARIES_XYZ = 10 to JxlPrimaries, Primaries::kXYZ = 10, and associated coordinates to ColorEncoding::GetPrimaries() and ColorEncoding::SetPrimaries()
There is already JXL_WHITE_POINT_E = 10 so this would make encoding the CIE 1931 XYZ color space much more convenient. | Add CIE XYZ color primaries | https://api.github.com/repos/libjxl/libjxl/issues/1507/comments | 3 | 2022-06-16T12:26:59Z | 2025-01-30T12:29:14Z | https://github.com/libjxl/libjxl/issues/1507 | 1,273,495,072 | 1,507 |
[
"libjxl",
"libjxl"
] | Currently `cjxl` can't handle text chunks (`tEXt`/`iTXt`/`zTXt`) in PNG files and transfer metadata to JXL. It would be useful to have support of this. | Feature request: Support for `cjxl` to handle text chunks in PNGs | https://api.github.com/repos/libjxl/libjxl/issues/1498/comments | 6 | 2022-06-15T08:35:17Z | 2023-01-23T10:50:24Z | https://github.com/libjxl/libjxl/issues/1498 | 1,271,874,668 | 1,498 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
When using the benchmark tool, the quality parameter seems to be ignored. All the results have the same compressed size and BPP.
**To Reproduce**
Run the following command with any picture : `benchmark_xl --input images/image.png --codec jxl:q100,jxl:q0`
**Expected behavior**
The benchmark... | The benchmark tool ignores the quality parameter | https://api.github.com/repos/libjxl/libjxl/issues/1496/comments | 5 | 2022-06-14T13:03:49Z | 2025-01-17T21:29:36Z | https://github.com/libjxl/libjxl/issues/1496 | 1,270,777,446 | 1,496 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
libjxl cannot read from or write to any file if the path or filename contains non-ascii characters in Windows 10.
**To Reproduce**
Steps to reproduce the behavior:
* Get any image
* Use cjxl to convert "θθθθξξξ.jxl"
You will get an error message saying
Failed to write to "???????.jxl"
... | libjxl cannot read/write to any file if it contains non-ascii characters in Windows 10 | https://api.github.com/repos/libjxl/libjxl/issues/1494/comments | 2 | 2022-06-11T19:37:51Z | 2022-06-13T10:34:04Z | https://github.com/libjxl/libjxl/issues/1494 | 1,268,357,789 | 1,494 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
I've tried to convert DNG files to JXL via ImageMagick (which I understand uses libjxl).
exiftool shows that the data is in 16 bit depth and RGGB:
<details>
```console
$ exiftool IMG_20220603_144349_0.dng
ExifTool Version Number : 12.42
File Name : IMG_202... | Converting DNG to JXL nearly doubles the filesize | https://api.github.com/repos/libjxl/libjxl/issues/1492/comments | 17 | 2022-06-09T21:52:51Z | 2024-09-03T05:18:23Z | https://github.com/libjxl/libjxl/issues/1492 | 1,266,710,505 | 1,492 |
[
"libjxl",
"libjxl"
] | The AFV dequantization table encoding requires three sets of parameters (`afv_weights`, `dct_params`, `dct_params_afv_4x4`) for each channel, but last two are encoded and decoded three times both in the [encoder](https://github.com/libjxl/libjxl/blob/e39a862/lib/jxl/enc_quant_weights.cc#L108-L110) and [decoder](https:/... | Some AFV dequantization parameters are encoded and decoded three times | https://api.github.com/repos/libjxl/libjxl/issues/1484/comments | 0 | 2022-06-08T20:51:04Z | 2024-03-04T10:12:45Z | https://github.com/libjxl/libjxl/issues/1484 | 1,265,295,389 | 1,484 |
[
"libjxl",
"libjxl"
] | **Is your feature request related to a problem? Please describe.**
Currently, libjxl builds the jxl_extras static library even with JPEGXL_ENABLE_TOOLS disabled. In this case, it will look up dependencies such as PNG, GIF, OpenEXR, etc. and build all the associated objects, which will then be left unused.
**Descr... | jxl_extra gets built and sits unused if JPEGXL_ENABLE_TOOLS is set to FALSE | https://api.github.com/repos/libjxl/libjxl/issues/1483/comments | 1 | 2022-06-08T20:33:21Z | 2022-06-09T12:15:30Z | https://github.com/libjxl/libjxl/issues/1483 | 1,265,272,955 | 1,483 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
A file that has an extended box size fails to be read by either libjxl or djxl.
**To Reproduce**
An extended box size is when an ISOBMFF box has `size == 1`. When this happens, the size field is immediately followed by an 8-byte extended-size field, which contains a 64-bit true size. These are... | libjxl cannot read extended ISOBMFF box sizes | https://api.github.com/repos/libjxl/libjxl/issues/1478/comments | 12 | 2022-06-06T19:05:20Z | 2023-11-23T18:56:56Z | https://github.com/libjxl/libjxl/issues/1478 | 1,262,252,239 | 1,478 |
[
"libjxl",
"libjxl"
] | ## desc
There is a assert failure in libjxl before version 0.6.1 that could cause deny of service attack.
## asan output
```
./lib/jxl/render_pipeline/low_memory_render_pipeline.cc:312: JXL_ASSERT: first_image_dim_stage_ == stages_.size() || i >= first_image_dim_stage_
#0 0x558c6d05047e in __sanitizer_print_... | Assert failure in jxl::LowMemoryRenderPipeline::Init | https://api.github.com/repos/libjxl/libjxl/issues/1477/comments | 10 | 2022-06-06T08:27:22Z | 2022-09-26T08:10:29Z | https://github.com/libjxl/libjxl/issues/1477 | 1,261,520,060 | 1,477 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
For unknown reasons cjxl crashes when trying to encode to jxl
**To Reproduce**
Download the next [2 images](https://www.mediafire.com/file/kjhquzryd6ec9ob/JPEG_XL_crash_samples.zip/file) (a png and a PPM) and try to encode them with:
`cjxl "input.ppm" "input.jxl"`
**Environment**
- OS: W... | Crash on certain files | https://api.github.com/repos/libjxl/libjxl/issues/1476/comments | 1 | 2022-06-05T10:58:25Z | 2022-06-05T12:06:35Z | https://github.com/libjxl/libjxl/issues/1476 | 1,261,020,452 | 1,476 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
I tried to compare the performance of cjxl other formats.
cjxl consumes an (IMHO) unreasonable amount of memory before it gets killed by the linux kernel.
**To Reproduce**
Steps to reproduce the behavior:
- [Download image](https://bafykbzacebf676y5eadx6xvgncvfr43e5k7yryugcj6cx4zjhwerf... | cjxl runs out of memory on a 16 GB machine while converting large jpg | https://api.github.com/repos/libjxl/libjxl/issues/1475/comments | 10 | 2022-06-05T02:22:49Z | 2025-01-17T21:18:27Z | https://github.com/libjxl/libjxl/issues/1475 | 1,260,941,036 | 1,475 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
Being aware that jpeg decoding is not standardized I never observed such a decoding degradation as cjxl did.
For comparison I decoded the jpeg with mozjpeg library and compared with the output of "To Reproduce" calls.
For mozjpeg I used the call:
`djpeg -bmp -dct float "input.jpg" >"input.jpg.b... | Subpar decoding for transcoded jpegs | https://api.github.com/repos/libjxl/libjxl/issues/1470/comments | 51 | 2022-06-02T07:27:53Z | 2024-10-31T18:06:21Z | https://github.com/libjxl/libjxl/issues/1470 | 1,257,801,213 | 1,470 |
[
"libjxl",
"libjxl"
] | Currently we return an error if JxlDecoderFlushImage() is called before all the DC image is decoded. We should instead implement something that renders whatever coefficients we already have. | Support JxlDecoderFlushImage() before DC image is ready. | https://api.github.com/repos/libjxl/libjxl/issues/1465/comments | 0 | 2022-05-31T11:15:20Z | 2022-05-31T11:15:56Z | https://github.com/libjxl/libjxl/issues/1465 | 1,253,713,200 | 1,465 |
[
"libjxl",
"libjxl"
] | **To Reproduce**
- Get this apng file (it contains multiple frames, it was encoded using ffmpeg):
- Get static Linux build from here: https://github.com/libjxl/libjxl/actions/runs/2398179621#artifacts , namely ... | "JXL_ASSERT: frame_rect.IsInside(Rect(0, 0, ppf.info.xsize, ppf.info.ysize))" on attached apng file | https://api.github.com/repos/libjxl/libjxl/issues/1457/comments | 3 | 2022-05-29T12:15:31Z | 2022-08-09T08:35:27Z | https://github.com/libjxl/libjxl/issues/1457 | 1,251,873,030 | 1,457 |
[
"libjxl",
"libjxl"
] | "./lib/jxl/enc_ans.cc:478: JXL_ASSERT: cost >= 0" when trying to encode ~880MP uncompreesed png wit q=100 or d=0.0 at effort=1, works fine when using d>0 or q<100
**To Reproduce**
1. get the image
2. try to encode it with cjxl with -q 100 -e 1
3. wait 60s or so (needs ~54GB of RAM)
4. error
**Expected beh... | error encoding very large PNG file | https://api.github.com/repos/libjxl/libjxl/issues/1456/comments | 1 | 2022-05-27T21:36:05Z | 2022-05-30T12:16:53Z | https://github.com/libjxl/libjxl/issues/1456 | 1,251,294,416 | 1,456 |
[
"libjxl",
"libjxl"
] | Run: `ci.sh lint`
Result:
```
fatal: no upstream configured for branch 'exta'
Warning, not tracking any branch, using the last commit in HEAD.
```
However, it worked before. | `ci.sh lint` is broken | https://api.github.com/repos/libjxl/libjxl/issues/1454/comments | 0 | 2022-05-27T14:55:45Z | 2022-05-27T18:39:02Z | https://github.com/libjxl/libjxl/issues/1454 | 1,250,863,283 | 1,454 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
libjxl calls abort(). Since it is intended as a library to be used in other projects, it shouldn't do this.
**To Reproduce**
Steps to reproduce the behavior:
Basically any flow, including the loading of a corrupted file or API misuse, that results in a call to one of the following:
- jxl::A... | libjxl uses abort() | https://api.github.com/repos/libjxl/libjxl/issues/1450/comments | 2 | 2022-05-26T16:43:35Z | 2024-09-14T07:20:34Z | https://github.com/libjxl/libjxl/issues/1450 | 1,249,804,585 | 1,450 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
Encoder crashes with the following assert:
../lib/jxl/dec_group.cc:245: JXL_ASSERT: r[i].IsInside({0, 0, dec_state->shared->dc->Plane(i).xsize(), dec_state->shared->dc->Plane(i).ysize()})
**To Reproduce**
cjxl wollerau.png wollerau.jxl --progressive_dc=2 -e 9
**Environment**
- OS: Chro... | cjxl crashes with --progressive_dc=2 -e 9 | https://api.github.com/repos/libjxl/libjxl/issues/1448/comments | 4 | 2022-05-26T15:55:25Z | 2024-03-04T10:12:45Z | https://github.com/libjxl/libjxl/issues/1448 | 1,249,749,427 | 1,448 |
[
"libjxl",
"libjxl"
] | **Is your feature request related to a problem? Please describe.**
Yes, there's an usability issue by not being able to tell apart if a file is lossless or not without deep inspection with external tools.
This is problematic for example for file categorization, when you need to keep both a lossy and lossless version ... | New dummy container/extension for animated or lossless compressed files | https://api.github.com/repos/libjxl/libjxl/issues/1441/comments | 9 | 2022-05-24T14:24:05Z | 2023-07-27T12:34:26Z | https://github.com/libjxl/libjxl/issues/1441 | 1,246,639,430 | 1,441 |
[
"libjxl",
"libjxl"
] | [An extra null pointer check is not needed in a function](https://isocpp.org/wiki/faq/freestore-mgmt#delete-handles-null "Do I need to check for null before delete p?") like [the destructor for the class “QuantEncoding”](https://github.com/libjxl/libjxl/blob/f7b4c2cb35c70d81f93e04be05d8082d0ac56b58/lib/jxl/quant_weight... | Remove an unnecessary null pointer check | https://api.github.com/repos/libjxl/libjxl/issues/1432/comments | 3 | 2022-05-20T09:55:57Z | 2022-05-23T05:55:27Z | https://github.com/libjxl/libjxl/issues/1432 | 1,242,909,393 | 1,432 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
Cjxl just crashes without errors when trying to compress any photo. Tried on two different pc's. The same crash with ffmpeg libjxl encoder. It shows return code -1073741819. Lossless compression is working.
0.6.1 version works perfectly fine.
**To Reproduce**
`cjxl 1.jpg -q 99`
**Screens... | Crash when trying to compress | https://api.github.com/repos/libjxl/libjxl/issues/1426/comments | 12 | 2022-05-17T19:47:54Z | 2024-03-04T10:12:45Z | https://github.com/libjxl/libjxl/issues/1426 | 1,239,086,987 | 1,426 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
When using an older version of CMake, you can get this error:
```
CMake Error at cmake/FindLCMS2.cmake:40 (add_library):
INTERFACE_LIBRARY targets may only have whitelisted properties. The
property "INCLUDE_DIRECTORIES" is not allowed.
Call Stack (most recent call first):
third_pa... | CMake <3.19 configure error with lcms2 | https://api.github.com/repos/libjxl/libjxl/issues/1425/comments | 0 | 2022-05-17T15:21:39Z | 2022-09-14T09:30:23Z | https://github.com/libjxl/libjxl/issues/1425 | 1,238,805,585 | 1,425 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
Exporting a lossy JPEG XL image crashes if the "Low resolution DC" parameter was set to "512x512 + 64x64".
**To Reproduce**
Export a blank image with the following parameters:
- JxlEncoderSetFrameLossless(frameSettings, JXL_FALSE)
- JxlEncoderFrameSettingsSetOption(frameSettings, JXL_ENC_F... | Exporting a lossy image with non-default Low resolution DC crashes in FindBestQuantizationMaxError | https://api.github.com/repos/libjxl/libjxl/issues/1424/comments | 4 | 2022-05-16T20:57:08Z | 2024-03-04T10:12:45Z | https://github.com/libjxl/libjxl/issues/1424 | 1,237,709,951 | 1,424 |
[
"libjxl",
"libjxl"
] | hi there,
I experience a long hang when cross compiling libjxl, where it takes about 10 minutes to finish this job:
```
[182/200] /usr/bin/armv7a-unknown-linux-gnueabihf-g++ -DJPEGXL_MAJOR_VERSION=0 -DJPEGXL_MINOR_VERSION=7 -DJPEGXL_PATCH_VERSION=0 -DJXL_INTERNAL_LIBRARY_BUILD -D__DATE__=\"redacted\" -D__TIMES... | awfull long time is spend when compiling ../lib/jxl/convolve.cc | https://api.github.com/repos/libjxl/libjxl/issues/1422/comments | 4 | 2022-05-14T06:24:49Z | 2024-09-09T14:45:12Z | https://github.com/libjxl/libjxl/issues/1422 | 1,235,889,041 | 1,422 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
One image is decoded incrementally tile-by-tile (scanline order) in Chrome while another one is decoded in one go once all bytes are received.
**To Reproduce**
1. Download [jxl-incr.zip](https://github.com/libjxl/libjxl/files/8662348/jxl-incr.zip) and unzip
2. Run `cjxl image1.png image1.png.... | JpegXL image not decoded incrementally tile-by-tile in Chrome | https://api.github.com/repos/libjxl/libjxl/issues/1409/comments | 4 | 2022-05-10T14:33:53Z | 2025-01-17T19:47:56Z | https://github.com/libjxl/libjxl/issues/1409 | 1,231,261,908 | 1,409 |
[
"libjxl",
"libjxl"
] | compiling latest git of libjxl for aarch64 is currently broken with:
```
In file included from /usr/aarch64-unknown-linux-gnu/tmp/portage/media-libs/libjxl-9999/work/libjxl-9999/lib/jxl/modular/transform/transform.cc:11:
/usr/aarch64-unknown-linux-gnu/tmp/portage/media-libs/libjxl-9999/work/libjxl-9999/lib/jxl/mo... | latest libjxl source code fails to compile for aarch64-linux with: ../jxl/modular/transform/palette.h:124:20: error: variable ‘std::atomic<int> num_errors’ has initializer but incomplete type | https://api.github.com/repos/libjxl/libjxl/issues/1407/comments | 6 | 2022-05-10T13:13:17Z | 2022-05-10T15:13:26Z | https://github.com/libjxl/libjxl/issues/1407 | 1,231,136,209 | 1,407 |
[
"libjxl",
"libjxl"
] | Hi there,
I'd like to implement JPEG XL encoder/decoder for iOS but I can't find any document about it.
Is there anyone success to build on iOS in xcode & decode into `UIImage` ?
Thank you! | How to build for ios? | https://api.github.com/repos/libjxl/libjxl/issues/1405/comments | 1 | 2022-05-10T10:18:56Z | 2022-12-13T10:52:07Z | https://github.com/libjxl/libjxl/issues/1405 | 1,230,935,860 | 1,405 |
[
"libjxl",
"libjxl"
] | I've noticed this during the independent reimplementation efforts. As specified, `minshift` is determined to be `downsample[n]` if there is an index `n` such that `last_pass[n]` is equal to the pass index, otherwise it's set to `maxshift`. In the current implementation though, `n` is the largest index such that `last_p... | `Passes::GetDownsamplingBracket` is wildly different from the ISO specification | https://api.github.com/repos/libjxl/libjxl/issues/1401/comments | 7 | 2022-05-09T21:05:19Z | 2024-03-04T10:12:44Z | https://github.com/libjxl/libjxl/issues/1401 | 1,230,250,149 | 1,401 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
As per title: `lib/jxl/libjxl.pc.in` and `lib/threads/libjxl_threads.pc.in` have
```
prefix=@INSTALLDIR@
exec_prefix=${prefix}
libdir=${exec_prefix}/@CMAKE_INSTALL_LIBDIR@
includedir=${prefix}/@CMAKE_INSTALL_INCLUDEDIR@
```
and so can’t handle absolute paths in `CMAKE_INSTALL_{INCLUDE... | pkg-config files are broken when CMAKE_INSTALL_{INCLUDE,LIB}DIR is absolute | https://api.github.com/repos/libjxl/libjxl/issues/1400/comments | 6 | 2022-05-09T05:36:21Z | 2022-05-12T14:28:37Z | https://github.com/libjxl/libjxl/issues/1400 | 1,229,201,015 | 1,400 |
[
"libjxl",
"libjxl"
] | For any gif I've tried larger than 1mb, after using cjxl to convert it to a jxl file, the speed noticeably drops. This is the case when using qView and Chromium(which is even worse). I've tried the resulting files on windows and ubuntu and there's no difference.
| GIF to JXL slows speed down | https://api.github.com/repos/libjxl/libjxl/issues/1399/comments | 8 | 2022-05-08T18:26:12Z | 2022-05-12T22:58:03Z | https://github.com/libjxl/libjxl/issues/1399 | 1,228,955,280 | 1,399 |
[
"libjxl",
"libjxl"
] |
When both patches and noise are used (e.g. a screenshot encoded with --photon_noise), the decoder does something wrong in the patch rendering: patches disappear or end up shifted a little in position.
Older decoder does it fine, so likely a regression caused by the transition to the render pipeline approach. | Regression in decoder in case of patches + noise | https://api.github.com/repos/libjxl/libjxl/issues/1397/comments | 0 | 2022-05-08T08:11:48Z | 2024-03-04T10:12:43Z | https://github.com/libjxl/libjxl/issues/1397 | 1,228,823,345 | 1,397 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
djxl from a file, that has JPEG reconstruction data with XMP in the JFIF file but no corresponding xml box in the JXL file, to JPEG crashes
**To Reproduce**
djxl out4.jxl out.jpg
with out4.jxl from [out4.jxl.zip](https://github.com/libjxl/libjxl/files/8645667/out4.jxl.zip)
**Expected behav... | Crash in djxl from a file with JPEG reconstruction data with XMP in the JFIF file but no xml JXL box | https://api.github.com/repos/libjxl/libjxl/issues/1396/comments | 7 | 2022-05-07T17:25:29Z | 2022-08-15T07:54:25Z | https://github.com/libjxl/libjxl/issues/1396 | 1,228,679,453 | 1,396 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
b90ba633a7ac419f24115e4f623ac400d89d0e23 added JXL_DEPRECATED to types:
https://github.com/libjxl/libjxl/blob/192ddd90fdf0c69cd1db1c8d7850db036dd87f4b/lib/include/jxl/types.h#L58-L64
This works since `JXL_DEPRECATED` is currently `__attribute__ ((__deprecated__))`, but the standard `[[deprec... | JXL_DEPRECATED is added to wrong positions | https://api.github.com/repos/libjxl/libjxl/issues/1388/comments | 0 | 2022-05-03T14:06:23Z | 2024-03-04T10:12:42Z | https://github.com/libjxl/libjxl/issues/1388 | 1,224,154,229 | 1,388 |
[
"libjxl",
"libjxl"
] | From what I understand from the documentation, level 5 is supposed to support up to 16 bits per channel. However with current main branch the encoder will now fail with `./lib/jxl/encode.cc:645: Codestream level verification for level 5 failed: Too high modular bit depth` when encoding a 16bit uint channel. From the co... | codestream level 5/10 bit-per-channel clarification | https://api.github.com/repos/libjxl/libjxl/issues/1386/comments | 5 | 2022-04-29T10:12:33Z | 2025-01-17T19:22:27Z | https://github.com/libjxl/libjxl/issues/1386 | 1,220,431,591 | 1,386 |
[
"libjxl",
"libjxl"
] | ```
build/tools/cjxl -v pq-wedge.pfm pq.jxl -x color_space=RGB_D65_202_Rel_PeQ
JPEG XL encoder v0.7.0 638ca59 [AVX2,SSE4,SSSE3,Scalar]
Read 1024x512 image, 31.9 MP/s
Encoding [VarDCT, d1.000, squirrel], 8 threads.
./lib/jxl/enc_patch_dictionary.cc:780: JXL_CHECK: DecodeFrame({}, &dec_state, pool, &br, &decoded, *s... | cjxl crashes with illegal instruction when processing a greyscale wedge image in PFM format. | https://api.github.com/repos/libjxl/libjxl/issues/1380/comments | 5 | 2022-04-25T07:10:57Z | 2022-04-27T03:49:51Z | https://github.com/libjxl/libjxl/issues/1380 | 1,214,069,366 | 1,380 |
[
"libjxl",
"libjxl"
] | Hi,
Not a feature request, just a question.
We all know it. File browsers.
They, depending on which file browser you use, likely present your images in thumbnails where you get the full version once you click it.
When looking at the JPEG XL features there are a couple features that could be very interesting f... | Can progressive loading be used as a thumbnail? | https://api.github.com/repos/libjxl/libjxl/issues/1379/comments | 1 | 2022-04-24T21:55:40Z | 2022-07-20T13:08:35Z | https://github.com/libjxl/libjxl/issues/1379 | 1,213,779,756 | 1,379 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
I want to convert a png file to jxl. Without any feedback the file will be not converted.
**To Reproduce**
Picture was shot with an Nikon Z7 in RAW, converted with Lightroom to PNG 16-Bit, processed with "Sharpen AI".
`cjxl.exe "F:\Workspace\sample.PNG" "F:\Workspace\sample.PNG.jxl" --nu... | PNG 16-bit sRGB cannot converted, verbose output is missing | https://api.github.com/repos/libjxl/libjxl/issues/1378/comments | 13 | 2022-04-24T11:57:11Z | 2025-01-23T22:48:31Z | https://github.com/libjxl/libjxl/issues/1378 | 1,213,633,658 | 1,378 |
[
"libjxl",
"libjxl"
] | **Is your feature request related to a problem? Please describe.**
JPEG XL allows us to include Catmull–Rom splines, vector curves which are similar to SVG paths. There is even a tool to convert [svg2jxl](https://github.com/wwww-wwww/spline) and it produces much smaller JXL image than the corresponding SVG or PNG. How... | Better rendering of splines | https://api.github.com/repos/libjxl/libjxl/issues/1370/comments | 4 | 2022-04-22T09:21:04Z | 2022-05-14T13:48:28Z | https://github.com/libjxl/libjxl/issues/1370 | 1,212,067,025 | 1,370 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
Bug of encoding from any image file to jxl in cjxl for default command (7)
**To Reproduce**
Steps to reproduce the behavior:
1: Used code default in Windows Terminal Command Prompt: cjxl fefefe.png fefefe.jxl
2: Nothing compressed.
**Expected behavior**
Expected needs to be compressed an... | Default command (effort 7) does not work in cjxl | https://api.github.com/repos/libjxl/libjxl/issues/1356/comments | 2 | 2022-04-19T06:12:56Z | 2022-04-19T06:37:44Z | https://github.com/libjxl/libjxl/issues/1356 | 1,207,795,160 | 1,356 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
When converting image to visually lossless in modular mode, cmd output says lossless encoding, and image size is same as loslessy encoded.
E:\Pobrane\jxl-x64-windows-static>cjxl -d 1 -m "E:\Pictures\ActKey\ScanToApplication1\Czas_przestrzen_kwanty\skan1.png" E:\Pictures\ActKey\ScanToApplication... | cjxl -m -d 1 converts to lossless instead of lossy | https://api.github.com/repos/libjxl/libjxl/issues/1355/comments | 1 | 2022-04-17T12:04:45Z | 2022-04-17T12:18:27Z | https://github.com/libjxl/libjxl/issues/1355 | 1,206,357,648 | 1,355 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
```JxlDecoderFlushImage()``` always returns ```JXL_DEC_ERROR``` when using an image-out callback.
The first line of the function is:
```
if (!dec->image_out_buffer) return JXL_DEC_ERROR;
```
So it only works with an image-out buffer.
**To Reproduce**
Setup a callback with ```JxlDecoderS... | JxlDecoderFlushImage() does not work with an image-out callback | https://api.github.com/repos/libjxl/libjxl/issues/1354/comments | 0 | 2022-04-17T08:59:51Z | 2024-03-04T10:12:41Z | https://github.com/libjxl/libjxl/issues/1354 | 1,206,321,357 | 1,354 |
[
"libjxl",
"libjxl"
] | Back in December, JxlDecoderSetProgressiveDetail() was added to decode.h (4ca53d55b075846124f9783461c01ffbffb431f8).
But there is still no implementation of this function anywhere.
Has this been forgotten about in someone's private repository? | No implementation of JxlDecoderSetProgressiveDetail(), defined in decode.h | https://api.github.com/repos/libjxl/libjxl/issues/1353/comments | 0 | 2022-04-16T20:05:04Z | 2024-03-04T10:12:41Z | https://github.com/libjxl/libjxl/issues/1353 | 1,206,205,339 | 1,353 |
[
"libjxl",
"libjxl"
] | Hi. When converting 8-bit grayscale images to jpeg xl output is 32-bit. How to make 8-bit grayscale jxl? | How to convert 8-bit grayscale png to same jxl? | https://api.github.com/repos/libjxl/libjxl/issues/1342/comments | 10 | 2022-04-13T08:05:19Z | 2022-04-15T16:02:12Z | https://github.com/libjxl/libjxl/issues/1342 | 1,202,909,357 | 1,342 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
After building with clang on a 32-bit system, all tests succeed. But after building with gcc, the following tests fail:
- CodecPGXTest.Test16bits
- StatsTest.CompareCentralMomentsAgainstTwoPass
- FastMathTargetTestGroup/FastMathTargetTest.TestFastPow2/SSE4#GetParam()=64
- FastMathTargetTestGro... | Tests fail after building with 32-bit gcc | https://api.github.com/repos/libjxl/libjxl/issues/1340/comments | 6 | 2022-04-12T15:06:54Z | 2024-09-16T05:51:38Z | https://github.com/libjxl/libjxl/issues/1340 | 1,201,990,032 | 1,340 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
There is something odd going on with non-multiple of 8 and pgm input. I cannot reproduce it using PNG. It appears as if `-d 0` is not lossless in those cases.
**To Reproduce**
```
% convert -depth 7 -size 512x512 xc:gray gray.7.pgm
% cjxl -d 0 gray.7.pgm gray.7.pgm.jxl
% djxl gray.7.pg... | PGM and non-multiple of 8 | https://api.github.com/repos/libjxl/libjxl/issues/1335/comments | 1 | 2022-04-11T15:41:54Z | 2022-04-12T10:20:24Z | https://github.com/libjxl/libjxl/issues/1335 | 1,200,160,113 | 1,335 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
It seems like built'in decoder can't compress some type of large files
**To Reproduce**
```# cjxl sample.png compressed.jxl```
_gives:_
```JPEG XL encoder v0.7.0 [SSE4]
./lib/extras/dec/apng.cc:298: APNG chunk size is too big
./lib/extras/dec/color_hints.cc:56: No color_space/icc_pathname gi... | cjpeg: "APNG chunk size is too big" when trying to compress very large (142.1Mpix) png image | https://api.github.com/repos/libjxl/libjxl/issues/1330/comments | 4 | 2022-04-10T08:51:18Z | 2024-03-04T10:12:40Z | https://github.com/libjxl/libjxl/issues/1330 | 1,198,945,350 | 1,330 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
I'd like to achieve good compression ratio using `-e 9` using cjxl command line tool with pfm (rgb) input.
Here is the entropy plot (-d 0 -e 9):
Compared to a... | Poor compression ratio for 32bits float | https://api.github.com/repos/libjxl/libjxl/issues/1323/comments | 6 | 2022-04-07T06:59:24Z | 2022-05-11T12:34:52Z | https://github.com/libjxl/libjxl/issues/1323 | 1,195,602,842 | 1,323 |
[
"libjxl",
"libjxl"
] | **Is your feature request related to a problem? Please describe.**
Right now palette are internal encoding tool in jxl.
**Describe the solution you'd like**
I'd like to have palette part of the externally exposed image metadata.
**Describe alternatives you've considered**
Re-encode PNG24 into PNG8 using ... | Make palette externally exposed image metadata | https://api.github.com/repos/libjxl/libjxl/issues/1313/comments | 1 | 2022-04-01T15:40:17Z | 2022-04-08T10:16:48Z | https://github.com/libjxl/libjxl/issues/1313 | 1,189,974,716 | 1,313 |
[
"libjxl",
"libjxl"
] | **Describe the solution you'd like**
Add localization of man pages to help users.
| Localization for the man pages | https://api.github.com/repos/libjxl/libjxl/issues/1306/comments | 0 | 2022-03-30T13:07:42Z | 2022-03-30T13:07:54Z | https://github.com/libjxl/libjxl/issues/1306 | 1,186,435,679 | 1,306 |
[
"libjxl",
"libjxl"
] | This will uncover few more warnings / give an early heads-up on problems of our customers. | Try to add MSVC compilation to matrix | https://api.github.com/repos/libjxl/libjxl/issues/1300/comments | 0 | 2022-03-29T11:30:25Z | 2024-03-04T10:19:38Z | https://github.com/libjxl/libjxl/issues/1300 | 1,184,720,374 | 1,300 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
I'd like to use JPEG-XL to compress unsigned int (32bits). I tried using PGX inputs but it fails.
**To Reproduce**
```
% convert -depth 32 -size 512x512 xc:black black32.pgx
% ./tools/cjxl --num_threads=0 -d 0 black32.pgx black32.jxl
JPEG XL encoder v0.7.0 ff032c3 [AVX2,SSE4,SSSE3,Sca... | 32 bits: pgx.cc:122: JXL_FAILURE: PGX: >16 bits not yet supported | https://api.github.com/repos/libjxl/libjxl/issues/1295/comments | 1 | 2022-03-29T08:05:48Z | 2022-04-08T10:17:45Z | https://github.com/libjxl/libjxl/issues/1295 | 1,184,474,067 | 1,295 |
[
"libjxl",
"libjxl"
] | Hi
I am working on fast decompression on web client side, with high rate of compression for huge data and seamless.
so, for the performance side, I tried to splite the original data into several segments and compress them individually.
but, in this case, I faced the seam between separated data when I decompress ... | Does exist the way that compress the whole data, but decompress it with split? | https://api.github.com/repos/libjxl/libjxl/issues/1294/comments | 3 | 2022-03-29T07:56:21Z | 2022-04-01T06:04:27Z | https://github.com/libjxl/libjxl/issues/1294 | 1,184,463,599 | 1,294 |
[
"libjxl",
"libjxl"
] | **Is your feature request related to a problem? Please describe.**
When libjpeg v6 was released (Aug 1995) it cames with a low level tool: `jpegtran`. this is a tool to provide lossless editing mode to existing JPEG files.
Currently supported operations are:
```
Switches for modifying the image:
-crop WxH+... | Provide a jxltran command line tool | https://api.github.com/repos/libjxl/libjxl/issues/1291/comments | 2 | 2022-03-28T13:03:20Z | 2022-03-28T14:16:57Z | https://github.com/libjxl/libjxl/issues/1291 | 1,183,409,117 | 1,291 |
[
"libjxl",
"libjxl"
] | **Is your feature request related to a problem? Please describe.**
CJXL is a great encoder when it comes to high compression high fidelity image coding.
However, it can have some problems when it comes to low luminance detail retention.
So while an image can look excellent when encoded at say `-e 8 -d 1`, darker s... | [Feature request] Luma adjusted quantizer offset for adaptive quantization | https://api.github.com/repos/libjxl/libjxl/issues/1285/comments | 1 | 2022-03-26T16:49:55Z | 2025-01-13T03:14:47Z | https://github.com/libjxl/libjxl/issues/1285 | 1,181,898,578 | 1,285 |
[
"libjxl",
"libjxl"
] | Hello,
On Gentoo Linux on riscv64 architecture, we have problems to build libjxl.a
```
/usr/lib/gcc/riscv64-unknown-linux-gnu/11.2.1/../../../../riscv64-unknown-linux-gnu/bin/ld: lib/libjxl.a(dec_group_border.cc.o): in function `.L0 ':
dec_group_border.cc:(.text+0x158): undefined reference to `__atomic_fetch_and_1'... | build problem on riscv64: undefined reference to `__atomic_fetch_or_1 | https://api.github.com/repos/libjxl/libjxl/issues/1283/comments | 2 | 2022-03-26T12:11:50Z | 2022-03-28T14:11:34Z | https://github.com/libjxl/libjxl/issues/1283 | 1,181,712,151 | 1,283 |
[
"libjxl",
"libjxl"
] | This is just with VarDCT mode, effort 1-4 produces a file, but with 5 and above and cjxl just silently exits. This is happening with this [jxl-x64-windows-static](https://github.com/libjxl/libjxl/suites/5806493331/artifacts/194198286) build from Github Actions
The source picture I'm using is [here](https://jpegxl.in... | cjxl effort >= 5 produces no output file | https://api.github.com/repos/libjxl/libjxl/issues/1282/comments | 12 | 2022-03-26T08:35:09Z | 2024-03-04T10:12:38Z | https://github.com/libjxl/libjxl/issues/1282 | 1,181,593,554 | 1,282 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
I'd like to use libjxl to compress without loss 16 bits / sRGB PPM inputs. I did check the bug tracker all I could find is:
* https://github.com/libjxl/libjxl/issues/692
which seems related but slightly different.
**To Reproduce**
```
% for c in white black red green blue; do conver... | round-trip lossless encoding for sRGB and 16bits. | https://api.github.com/repos/libjxl/libjxl/issues/1273/comments | 1 | 2022-03-25T08:33:54Z | 2022-03-25T08:46:44Z | https://github.com/libjxl/libjxl/issues/1273 | 1,180,495,367 | 1,273 |
[
"libjxl",
"libjxl"
] | Hello, libjxl community. I have a problem of build failed on libjxl.
I tried build libjxl of cjxl and djxl, I build all using keyboard shortcut CTRL + SHIFT + B.
During building, I got my build all failed. See the error log:
https://pastebin.com/wkKFqWPx
Visual Studio version: 2022 (17.10.2)
Windows (winver): Wi... | Error building on VCPKG 2022 x86_64... trying build on #544 | https://api.github.com/repos/libjxl/libjxl/issues/1272/comments | 4 | 2022-03-25T07:23:14Z | 2024-03-04T10:12:38Z | https://github.com/libjxl/libjxl/issues/1272 | 1,180,435,730 | 1,272 |
[
"libjxl",
"libjxl"
] | `FastLosslessEncode()` modifies the values of the first three channels when the fourth channel is `0x00`.
See, for example, `"qoi_benchmark_suite/images/pngimg/academy_awards_PNG9.png"`.
https://github.com/libjxl/libjxl/blob/4e656e740a0bae9ef7129ea7851c96023d736958/experimental/fast_lossless/fast_lossless.cc#L870 | FastLosslessEncode() is not lossless | https://api.github.com/repos/libjxl/libjxl/issues/1268/comments | 3 | 2022-03-23T21:59:04Z | 2022-03-31T13:24:58Z | https://github.com/libjxl/libjxl/issues/1268 | 1,178,713,867 | 1,268 |
[
"libjxl",
"libjxl"
] | This issue was found by [oss-fuzz](https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=45866), which is testing Qt plug-in for JXL format. libjxl 0.6.1 is used.
Test file:
[oss-fuzz_45866.zip](https://github.com/libjxl/libjxl/files/8318714/oss-fuzz_45866.zip)
Please verify whether the issue is serious or not a... | Issue 45866: kimageformats:kimgio_jxl_fuzzer: Integer-overflow in jxl::palette_internal::GetPaletteValue | https://api.github.com/repos/libjxl/libjxl/issues/1260/comments | 1 | 2022-03-21T19:46:41Z | 2022-03-29T18:43:43Z | https://github.com/libjxl/libjxl/issues/1260 | 1,175,862,932 | 1,260 |
[
"libjxl",
"libjxl"
] | If the codestream requires a Level 10 (e.g. size too big, `modular_16bit_buffers = false`, more than 4 extra channels, etc.), and the information that tells you this is in `JxlBasicInfo` then the library should automatically increase the codestream level to 10.
There's no particular reason that the library should f... | Automatically increase codestream level based on basic info | https://api.github.com/repos/libjxl/libjxl/issues/1250/comments | 6 | 2022-03-20T15:03:23Z | 2024-03-04T10:12:38Z | https://github.com/libjxl/libjxl/issues/1250 | 1,174,578,380 | 1,250 |
[
"libjxl",
"libjxl"
] | **Is your feature request related to a problem? Please describe.**
I have 200 color channels of the same image (hyperspectral satellite imagery) and I'd like to compress it as efficiently as possible losslessly. When I encode exactly 3 channels, I get better compression than with a single channel, but I haven't found ... | Compress efficiently more than 3 color channels | https://api.github.com/repos/libjxl/libjxl/issues/1245/comments | 18 | 2022-03-18T08:35:24Z | 2025-03-29T06:53:23Z | https://github.com/libjxl/libjxl/issues/1245 | 1,173,333,155 | 1,245 |
[
"libjxl",
"libjxl"
] | Hi. I found such a bug if I did everything right.
```
JPEG XL encoder v0.7.0 0.7.0-373c592 [Scalar]
color_hints.cc:56: No color_space/icc_pathname given, assuming sRGB
Read 1563x1558 image, 25.8 MP/s
Encoding [Modular, lossless, hare], 4 threads.
enc_palette.cc:558: JXL_RETURN_IF_ERROR code=1: FwdPaletteIteration... | Error converting PNG | https://api.github.com/repos/libjxl/libjxl/issues/1244/comments | 4 | 2022-03-18T06:29:53Z | 2022-03-22T19:01:48Z | https://github.com/libjxl/libjxl/issues/1244 | 1,173,232,052 | 1,244 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
I'm using `JxlEncoderSetExtraChannelBuffer` to encode extra channel data for a base image that's RGB. It work great up-to 4 channels, but then adding a 5th (even if it's the exact same data or new data) causes an error in `JxlEncoderProcessOutput` which returns status code 1.
**To Reproduce**
... | Hard limit at extra_channels=4 when encoding via API? Throws error at 5 or more. | https://api.github.com/repos/libjxl/libjxl/issues/1237/comments | 2 | 2022-03-15T16:36:39Z | 2022-03-24T14:41:34Z | https://github.com/libjxl/libjxl/issues/1237 | 1,169,916,994 | 1,237 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
I can't open certain large JPEG XL files (the breaking point is somewhere between 4097x2731 and 6000x4000; I can do a more exhaustive test if needed) in eog. This holds for lossless and lossy files, as well as losslessly transcoded JPEGs. I'm pretty sure that these files used to work in eog, alt... | GdkPixbuf loader (as used by eog) breaks on large files | https://api.github.com/repos/libjxl/libjxl/issues/1232/comments | 2 | 2022-03-12T08:15:08Z | 2022-03-17T00:52:57Z | https://github.com/libjxl/libjxl/issues/1232 | 1,167,219,439 | 1,232 |
[
"libjxl",
"libjxl"
] | **Is your feature request related to a problem? Please describe.**
I am working on QEMU & QXL. The graphic data I get from QXL driver is BMP format.
So I need to encode bitmap to jxl, but I found we currently do not support bitmap encoding.
**Describe the solution you'd like**
Is there a plan to support bitmap en... | Bitmap support | https://api.github.com/repos/libjxl/libjxl/issues/1211/comments | 6 | 2022-03-07T07:09:05Z | 2023-07-03T07:53:13Z | https://github.com/libjxl/libjxl/issues/1211 | 1,160,991,724 | 1,211 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
https://github.com/libjxl/libjxl/blob/ec7adc703541daad0b6b1ec8bde5cbe3a3bfcf7c/lib/include/jxl/encode.h#L100-L106
This matches its setter:
https://github.com/libjxl/libjxl/blob/ec7adc703541daad0b6b1ec8bde5cbe3a3bfcf7c/lib/jxl/encode.cc#L768
But according to the encoder itself, the default... | Setting JXL_ENC_FRAME_SETTING_RESAMPLING with its documented default value breaks encoding | https://api.github.com/repos/libjxl/libjxl/issues/1210/comments | 0 | 2022-03-06T14:43:12Z | 2022-03-11T14:42:58Z | https://github.com/libjxl/libjxl/issues/1210 | 1,160,628,500 | 1,210 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
Both ImageMagick and GraphicsMagick (C programs) both support JXL. Reading JXL works fine, but writing JXL produces corrupt output which does not even include a JXL header. The output is smaller than expected. For GraphicsMagick, a single thread is used.
It is observed that cjxl and djxl wo... | ImageMagick and GraphicsMagick write corrupt JXL with current ("v0.7.0") libjxl | https://api.github.com/repos/libjxl/libjxl/issues/1209/comments | 8 | 2022-03-05T21:43:41Z | 2022-03-11T20:05:06Z | https://github.com/libjxl/libjxl/issues/1209 | 1,160,452,541 | 1,209 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
CMake fails to find gflags.
**To Reproduce**
Clone the repository, pull down deps with git submodule, and run CMake with or without any flags.
**Expected behavior**
I expected CMake to configure the project correctly.
**Environment**
- OS: Windows 10 21H2 and up-to-date no-testing-rep... | CMake Error at third_party/CMakeLists.txt:170 (find_package): By not providing "Findgflags.cmake" in CMAKE_MODULE_PATH this project has asked CMake to find a package configuration file provided by "gflags", but CMake did not find one. | https://api.github.com/repos/libjxl/libjxl/issues/1206/comments | 6 | 2022-03-02T23:13:24Z | 2024-03-04T10:12:37Z | https://github.com/libjxl/libjxl/issues/1206 | 1,157,787,582 | 1,206 |
[
"libjxl",
"libjxl"
] | BufferToImageBundle / ConvertFromExternal in enc_external_image.cc does not look at pixel_format to determine the number of channels given in the input buffer, it just assumes that if the color encoding is grayscale, there is 1 color channel, and otherwise there are 3.
This causes bigtime trouble if you try encoding... | encode api: grayscale input sent as RGB(A) buffer is broken | https://api.github.com/repos/libjxl/libjxl/issues/1198/comments | 0 | 2022-02-25T15:26:47Z | 2022-03-11T19:26:24Z | https://github.com/libjxl/libjxl/issues/1198 | 1,150,579,892 | 1,198 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
I cannot build libjxl from scratch on Windows due to [CMake issue 22919](https://gitlab.kitware.com/cmake/cmake/-/issues/22919). This affects specifically the gflags dependency; since libjxl imports libraries in a sibling directory to `tools`, `gflags`'s location cannot be seen at link time:
(... | Importing libraries via thirdparty makes libjxl impossible to build on Windows | https://api.github.com/repos/libjxl/libjxl/issues/1197/comments | 0 | 2022-02-24T16:53:10Z | 2024-03-04T10:12:37Z | https://github.com/libjxl/libjxl/issues/1197 | 1,149,520,145 | 1,197 |
[
"libjxl",
"libjxl"
] | Hi, I have noticed that sometimes the output of djxl can be as much as 50% larger than the original input JPEG. I understand that JXL is not meant to be used solely as a JPEG optimizer, but I would like to reap some of the benefits of the JXL codec back in the original JPEG domain.
Is it possible to guarantee that t... | Constraining djxl lossy JPEG output size? | https://api.github.com/repos/libjxl/libjxl/issues/1195/comments | 1 | 2022-02-23T21:15:53Z | 2022-03-11T12:14:58Z | https://github.com/libjxl/libjxl/issues/1195 | 1,148,588,817 | 1,195 |
[
"libjxl",
"libjxl"
] | Doesn’t it mean that this is also not used? (Should it be?)
_Originally posted by @sboukortt in https://github.com/libjxl/libjxl/pull/1189#discussion_r811075496_ | Unused extra channel name in djxl_conformance | https://api.github.com/repos/libjxl/libjxl/issues/1191/comments | 3 | 2022-02-21T12:33:52Z | 2024-03-04T10:12:37Z | https://github.com/libjxl/libjxl/issues/1191 | 1,145,741,620 | 1,191 |
[
"libjxl",
"libjxl"
] | ## Comment:
Hello jxl team, sorry to bother you,
I focus on non-photo content quality and feature for a long time,
in the beginning, I focus on test varDCT lossy performance for non-photo content,
varDCT is work very well for some type non-photo picture,
but I get some quality and compression ratio i... | Non-photo content quality,feature improvement and delta palette | https://api.github.com/repos/libjxl/libjxl/issues/1188/comments | 2 | 2022-02-18T18:40:24Z | 2022-11-18T08:54:22Z | https://github.com/libjxl/libjxl/issues/1188 | 1,143,564,174 | 1,188 |
[
"libjxl",
"libjxl"
] | /libjxl-main/tools/djxl_ng_main.cc line 327 same as line 302
Code:
} else if (status == JXL_DEC_NEED_IMAGE_OUT_BUFFER) {
| Identical condition | https://api.github.com/repos/libjxl/libjxl/issues/1187/comments | 2 | 2022-02-18T14:19:35Z | 2022-03-11T14:42:31Z | https://github.com/libjxl/libjxl/issues/1187 | 1,143,147,581 | 1,187 |
[
"libjxl",
"libjxl"
] | PSNR is a start but it seems there are new metrics that can be complementary:
https://paperswithcode.com/paper/nima-neural-image-assessment
https://paperswithcode.com/paper/a-study-of-deep-perceptual-metrics-for-image
And much more here:
https://paperswithcode.com/task/image-quality-assessment
Generally,... | Complementary metrics for assessing image quality | https://api.github.com/repos/libjxl/libjxl/issues/1186/comments | 3 | 2022-02-18T12:28:58Z | 2022-03-11T21:17:16Z | https://github.com/libjxl/libjxl/issues/1186 | 1,142,971,500 | 1,186 |
[
"libjxl",
"libjxl"
] | Hello,
I have a series of 16 bits TIFF that I would like to compress with jxl and I would like them to stay in 16bit.
How can I ensure that the compression preserve the bit depth and how can I check the bit depth of a resulting jxl file?
Thank you
| How to know if a jxl file is 8bit or 16bit? | https://api.github.com/repos/libjxl/libjxl/issues/1183/comments | 2 | 2022-02-17T20:24:24Z | 2022-03-11T14:06:21Z | https://github.com/libjxl/libjxl/issues/1183 | 1,141,829,888 | 1,183 |
[
"libjxl",
"libjxl"
] | libjxl-main/lib/jxl/enc_cluster.cc:177] (performance) Searching before insertion is not necessary. Instead of 'new_index[symbol]=next_index' consider using 'new_index.try_emplace(symbol, next_index);'. [stlFindInsert] | enc_cluster.cc | https://api.github.com/repos/libjxl/libjxl/issues/1181/comments | 2 | 2022-02-17T10:50:46Z | 2025-01-17T18:33:36Z | https://github.com/libjxl/libjxl/issues/1181 | 1,141,175,184 | 1,181 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
When encoding an image with `cjxl` that combines `--lossy-palette` with `-p`, the resulting image decodes incorrectly when using the `-s` option with djxl
**To Reproduce**
1. Run `cjxl <input> -m --lossy-palette --palette=0 -p <output1>`
2. Then `djxl <output1> -s 2 <output2>` (Or any value >... | `--lossy-palette` and progressive mode don't mix | https://api.github.com/repos/libjxl/libjxl/issues/1177/comments | 3 | 2022-02-16T10:36:37Z | 2024-03-04T10:12:37Z | https://github.com/libjxl/libjxl/issues/1177 | 1,139,835,317 | 1,177 |
[
"libjxl",
"libjxl"
] | I've compiled libjxl from source on my ubuntu machine. Now, I want to ```find_package(LibJxl)``` or something similar in my own CMake project so that I can use libjxl in my codes. But it seems that libjxl does not provide any config.cmake file.
| How to link to libjxl with Cmake? | https://api.github.com/repos/libjxl/libjxl/issues/1175/comments | 3 | 2022-02-15T10:12:57Z | 2022-03-11T14:44:43Z | https://github.com/libjxl/libjxl/issues/1175 | 1,138,468,728 | 1,175 |
[
"libjxl",
"libjxl"
] | Compatibility of jpeg(XT) 8bit photos, i.e. all types of jpeg lossless, progressice, sequetial, baseline (RGB and YCbCr).
Oddly enough, these pictures seem to be reading the jpeg-turbo codec (assembler) these days.
Jpeg(XT) lossless and variations can still be problematic.
Code:
```
Unsupported marker type 0xf7
U... | Compatibility of jpeg(XT) 8bit photos with jpeg-turbo | https://api.github.com/repos/libjxl/libjxl/issues/1172/comments | 4 | 2022-02-12T14:27:56Z | 2022-04-08T10:05:36Z | https://github.com/libjxl/libjxl/issues/1172 | 1,134,123,018 | 1,172 |
[
"libjxl",
"libjxl"
] | Hi
I had build the wasm version, but cannot figure out how to run the djxl or decode_oneshot, decode_progressive in javascript.
Please provide some example code to run djxl or decode_oneshot, decode_progressive in javascript.
Thanks in advance. | Ask for an example code of wasm usage. | https://api.github.com/repos/libjxl/libjxl/issues/1165/comments | 1 | 2022-02-08T05:13:58Z | 2022-02-09T02:34:03Z | https://github.com/libjxl/libjxl/issues/1165 | 1,126,803,851 | 1,165 |
[
"libjxl",
"libjxl"
] | Hello,
I'm here to humbly ask for a tag after 0.6.1.
It seems that many patches have been added to help with building libjxl with dynamic libraries in mind.
This would help us get it onto conda forge without requriing too much backporting of patches
https://github.com/conda-forge/staged-recipes/pull/17812
... | New release after 0.6.1 | https://api.github.com/repos/libjxl/libjxl/issues/1159/comments | 2 | 2022-02-05T21:46:22Z | 2024-03-04T10:12:36Z | https://github.com/libjxl/libjxl/issues/1159 | 1,125,038,257 | 1,159 |
[
"libjxl",
"libjxl"
] | cjxl.exe image_21447_24bit.png image_21447_24bit.jxl -v -m -q 100 -s 5 -C 1 --num_threads=4
djxl.exe image_21447_24bit.jxl image_21447_24bitj.jpg --num_threads=4
```
JPEG XL decoder v0.7.0 0.7.0-3476d12 [Scalar]
Read 2558725 compressed bytes.
box.cc:290: JXL_FAILURE: Cannot decode to JPEG without a JPEG reconstruc... | Problem with JPEG | https://api.github.com/repos/libjxl/libjxl/issues/1147/comments | 0 | 2022-02-01T16:34:09Z | 2022-02-09T20:04:25Z | https://github.com/libjxl/libjxl/issues/1147 | 1,120,933,620 | 1,147 |
[
"libjxl",
"libjxl"
] | ```
system_libs:INFO: retrieving port: zlib from https://github.com/madler/zlib/archive/v1.2.11.zip
em++: error: Unexpected hash: 9ec7c573fac2cd4d6ba64dd4dfd7330f317be75367575013da4004d7da7ff51b70b85783dc8533df081e70527135cdbf2ffc12b40f2d011fd7fbe6cb52d2f47d
If you are updating the port, please update the hash in th... | CI: it seems that GH actions has problem fetching zlib sources | https://api.github.com/repos/libjxl/libjxl/issues/1145/comments | 1 | 2022-02-01T14:55:35Z | 2022-02-02T08:49:27Z | https://github.com/libjxl/libjxl/issues/1145 | 1,120,789,551 | 1,145 |
[
"libjxl",
"libjxl"
] | Hybrid integer decoding is relatively complex and could be simplified by precomputing some quantities, reducing the decoding cost.
Something like `offset[token] + ReadBits(nbits[token]) << shift[token]` should be possible. | Hybrid integer decoding could be tabled | https://api.github.com/repos/libjxl/libjxl/issues/1141/comments | 0 | 2022-02-01T11:22:38Z | 2022-04-08T10:04:07Z | https://github.com/libjxl/libjxl/issues/1141 | 1,120,543,138 | 1,141 |
[
"libjxl",
"libjxl"
] | Thank you so much for developing JPEG-XL! In my tests it looks like it'll be an excellent compression algorithm for satellite imagery. Thank you!
I appreciate that lossy JPEG-XL compression (like most lossy image compression) is designed primarily for compressing images that will be consumed by humans. As such, the ... | Recommendations for compression of satellite images that will be read by machines (not humans) | https://api.github.com/repos/libjxl/libjxl/issues/1137/comments | 8 | 2022-01-31T11:20:42Z | 2022-03-11T14:47:31Z | https://github.com/libjxl/libjxl/issues/1137 | 1,119,299,719 | 1,137 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
test gif becomes black image after conversion
**To Reproduce**
cjxl 1.gif 1.jxl -d 0.0 -e 9
**Expected behavior**
lossless convertion with no color reduction
**Screenshots**
test image
![1](https://user-images.githubusercontent.com/16452453/151684340-f118b465-d7fa-4291-8811-825e09ba6... | 2 color GIF > JXL lossless = color reduction | https://api.github.com/repos/libjxl/libjxl/issues/1135/comments | 8 | 2022-01-30T02:27:01Z | 2022-02-14T00:56:18Z | https://github.com/libjxl/libjxl/issues/1135 | 1,118,386,403 | 1,135 |
[
"libjxl",
"libjxl"
] | **Is your feature request related to a problem? Please describe.**
Nope
**Describe the solution you'd like**
Use CUDA / OPENCL or Vulkan to accelerate encoding/decoding | Feat. req. Use CUDA / OpenCL / Vulkan | https://api.github.com/repos/libjxl/libjxl/issues/1134/comments | 6 | 2022-01-30T02:06:41Z | 2025-03-17T12:11:52Z | https://github.com/libjxl/libjxl/issues/1134 | 1,118,382,659 | 1,134 |
[
"libjxl",
"libjxl"
] | In some cases, for bandwidth sensitive applications, you may wish to control the amount of the progressive data that you fetch from the server with a byte range request.
Currently the decoder will notify you when a [full progression step is ready during decoding](https://libjxl.readthedocs.io/en/latest/api_decoder.... | Ability to determine byte offsets for each HF and LF scan during encoding or from TOC | https://api.github.com/repos/libjxl/libjxl/issues/1133/comments | 0 | 2022-01-29T09:48:10Z | 2022-04-08T10:03:07Z | https://github.com/libjxl/libjxl/issues/1133 | 1,118,156,755 | 1,133 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
Compilation warning is triggered on Debian buildds.
```
In file included from /usr/include/string.h:519,
from /<<PKGBUILDDIR>>/lib/jxl/base/padded_bytes.h:13,
from /<<PKGBUILDDIR>>/lib/jxl/color_management.h:16,
from /<<PKGBUILDDIR>>/lib/... | error: 'void* memset(void*, int, size_t)' offset [0, 3] is out of the bounds [0, 0] [-Werror=array-bounds] | https://api.github.com/repos/libjxl/libjxl/issues/1122/comments | 2 | 2022-01-26T15:35:43Z | 2022-03-11T15:03:07Z | https://github.com/libjxl/libjxl/issues/1122 | 1,115,159,667 | 1,122 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
While decoding an image using UInt32 Buffers, i get a non- JXL_DEC_SUCCESS result from JxlDecoderImageOutBufferSize.
decoding with UInt8, UInt16 and Float32 works as expected, only UInt32 doesn't
**To Reproduce**
compile wasm32 with a emscripten executable wrapper then try and decode an image... | UInt32 Buffers, JxlDecoderImageOutBufferSize != JXL_DEC_SUCCESS | https://api.github.com/repos/libjxl/libjxl/issues/1116/comments | 0 | 2022-01-24T18:30:17Z | 2022-04-08T10:01:01Z | https://github.com/libjxl/libjxl/issues/1116 | 1,112,998,532 | 1,116 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
Manjaro gives an error when building this package.
```
Building libjxl-git...
==> Making package: libjxl-git 0.3.7.r777.g36ece47-1 (Thu 20 Jan 2022 09:26:43 AM CST)
...
[ 54%] Building CXX object lib/CMakeFiles/ac_strategy_test.dir/jxl/ac_strategy_test.cc.o
In file included from /var/t... | Broken build on Manjaro with 0.3.7.r777.g36ece47-1 | https://api.github.com/repos/libjxl/libjxl/issues/1109/comments | 6 | 2022-01-20T15:44:12Z | 2022-04-08T07:10:37Z | https://github.com/libjxl/libjxl/issues/1109 | 1,109,461,963 | 1,109 |
[
"libjxl",
"libjxl"
] | First of all: I did not test libjxl directly, but through its implementation in Irfanview and XnViewMP.
**Describe the bug**
Unfortunately memory consumption goes through the roof for JXL encoding and decoding.
Encoding a 19200 x 25200 px image of 1.35 gb uncompressed TIFF size uses more than my 16 gb for encodi... | Memory consumption extremely high? | https://api.github.com/repos/libjxl/libjxl/issues/1106/comments | 8 | 2022-01-19T11:32:38Z | 2024-04-17T08:46:45Z | https://github.com/libjxl/libjxl/issues/1106 | 1,107,989,605 | 1,106 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
Unable to build Wasm32 artifacts using the docker container as the CMAKE_FLAGS environment variable containing `-I/usr/wasm32/include` is not in the documented build commands.
**To Reproduce**
Steps to reproduce the behavior:
Attempt to build the wasm32 artifact using the docker container det... | Can't build wasm32 artifacts using default build commands in docker container | https://api.github.com/repos/libjxl/libjxl/issues/1105/comments | 1 | 2022-01-19T03:32:35Z | 2022-01-23T08:30:51Z | https://github.com/libjxl/libjxl/issues/1105 | 1,107,601,635 | 1,105 |
[
"libjxl",
"libjxl"
] | I have a lot of very large lossless images, and the GdkPixbuf loader seems to be much, much slower (roughly 4-5x) than the PNG and WebP loaders (for the same images). I believe this to be a relatively recent issue, as I remember it used to be much faster, on par with the PNG and WebP loaders. (perhaps several months ag... | GdkPixbuf loader is extremely slow for lossless images | https://api.github.com/repos/libjxl/libjxl/issues/1097/comments | 4 | 2022-01-14T21:50:11Z | 2025-05-17T11:11:44Z | https://github.com/libjxl/libjxl/issues/1097 | 1,104,153,280 | 1,097 |
[
"libjxl",
"libjxl"
] | I followed the build steps described in this site:
http://blog.fpliu.com/project/ndk-pkg/package?name=libjxl
I modified the formula as this:
build() {
cmakew \
-DJPEGXL_ENABLE_JNI=OFF \
-DJPEGXL_ENABLE_TOOLS=OFF \
-DJPEGXL_ENABLE_EXAMPLES=ON \
-DJPEGXL_ENABLE_MANPAGES=ON \
... | Cannot buid with -DJPEGXL_STATIC=ON for android | https://api.github.com/repos/libjxl/libjxl/issues/1096/comments | 2 | 2022-01-14T10:12:02Z | 2024-03-04T10:12:36Z | https://github.com/libjxl/libjxl/issues/1096 | 1,103,405,320 | 1,096 |
[
"libjxl",
"libjxl"
] | **Is your feature request related to a problem? Please describe.**
I'm trying to (batch) convert images without discarding their EXIF info. Neither Exiftool nor Exiv2 are currently able to modify the raw JXL files cjxl outputs, but they support the containerized JXL files. I am not able to use JXL without metadata sup... | Add cjxl option to output JXL inside ISO BMFF container file | https://api.github.com/repos/libjxl/libjxl/issues/1092/comments | 3 | 2022-01-13T13:57:04Z | 2022-03-11T18:23:54Z | https://github.com/libjxl/libjxl/issues/1092 | 1,101,781,578 | 1,092 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
`cjxl` reports a confusing error message for JPEG using arithmetic coding (instead of default huffman).
```
% cjxl black.jpg black.jxl
JPEG XL encoder v0.6.1 086a674 [AVX2,SSE4,Scalar]
Corrupt or CMYK JPEG.
Failed to read image black.jpg.
```
**To Reproduce**
```
$ convert -size 512... | SOF9 Arithmetic Extended Sequential DCT => Corrupt or CMYK JPEG | https://api.github.com/repos/libjxl/libjxl/issues/1088/comments | 7 | 2022-01-12T10:15:45Z | 2022-03-21T08:07:52Z | https://github.com/libjxl/libjxl/issues/1088 | 1,100,149,693 | 1,088 |
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