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**
from current main branch, compilation fails with a log:
```
[100%] Generating C API documentation
/home/anon/Downloads/libjxl-git/src/libjxl/lib/include/jxl/encode.h:813: error: documented empty return type of JxlEncoderInitExtraChannelInfo (warning treated as error, aborting now)
```
**To ... | .../lib/include/jxl/encode.h:813: error: documented empty return type of JxlEncoderInitExtraChannelInfo (warning treated as error, aborting now) | https://api.github.com/repos/libjxl/libjxl/issues/1080/comments | 0 | 2022-01-09T22:08:41Z | 2022-01-13T19:44:29Z | https://github.com/libjxl/libjxl/issues/1080 | 1,097,315,131 | 1,080 |
[
"libjxl",
"libjxl"
] | libjxl's current API reports how much was consumed and how much was not consumed by libjxl, but it will consume past the end of a codestream and simply do nothing with this information. For raw JPEG XL Codestream input into libjxl's decoder, it should refuse to consume input after the end of the codestream. For libjxl'... | libjxl should not consume input beyond the end of a JPEG XL file | https://api.github.com/repos/libjxl/libjxl/issues/1079/comments | 2 | 2022-01-08T16:47:04Z | 2024-03-04T10:12:36Z | https://github.com/libjxl/libjxl/issues/1079 | 1,096,978,871 | 1,079 |
[
"libjxl",
"libjxl"
] | Currently when spline is quantized, it uses Y channel before calculates it. Preparing PR to fix that.
However, there are other problems, namely:
* [spec] in C.4 there is a reference to non-existing `C.4.6.4`
* [spec] in C.4 `X` channel should be decorrelated similarly to `B` channel | Spline quantization fixups | https://api.github.com/repos/libjxl/libjxl/issues/1072/comments | 1 | 2022-01-03T15:03:08Z | 2022-03-11T18:50:46Z | https://github.com/libjxl/libjxl/issues/1072 | 1,092,583,160 | 1,072 |
[
"libjxl",
"libjxl"
] | null | square_root template seems to be an over-expressive definition of 1.41 constant | https://api.github.com/repos/libjxl/libjxl/issues/1070/comments | 1 | 2022-01-03T12:18:30Z | 2022-01-27T22:52:56Z | https://github.com/libjxl/libjxl/issues/1070 | 1,092,464,000 | 1,070 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
I tested the addition in pull request https://github.com/libjxl/libjxl/pull/1058.
There seems to be some trouble with blending some(?) non-full frames with transparency. Instead of showing the previous background it shows a fully transparent background for some "subframes" in some images, creatin... | Some animated pngs with non-full frames with transparency visually differ from source after transcoding with cjxl | https://api.github.com/repos/libjxl/libjxl/issues/1065/comments | 0 | 2021-12-30T21:07:01Z | 2021-12-31T09:42:56Z | https://github.com/libjxl/libjxl/issues/1065 | 1,091,304,848 | 1,065 |
[
"libjxl",
"libjxl"
] | normally for multilib builds, tools are disabled (you may need lib32/libjxl.so but probably not bin32/cjxl). according to fb8369735ac9c55fcbd19c312c41d4f288334f78, gflags will be used for cjxl (and i guess maybe djxl too?) so it shouldn't be required for non-tools builds. | require gflags only if tools are enabled | https://api.github.com/repos/libjxl/libjxl/issues/1062/comments | 3 | 2021-12-30T15:43:49Z | 2022-01-18T21:18:22Z | https://github.com/libjxl/libjxl/issues/1062 | 1,091,177,176 | 1,062 |
[
"libjxl",
"libjxl"
] | Some `kDeltaPalette` entries are UB to use when `bit_depth==32`, namely:
```{128, 128, 128}, {144, 144, 144}, {0, 128, 128}, {-128, 0, 0}, {128, 128, 0}, {0, 0, -128}```
What decoder should do, when it is asked about such entries? | Delta palette for bit_depth=32 | https://api.github.com/repos/libjxl/libjxl/issues/1057/comments | 6 | 2021-12-28T16:16:10Z | 2022-03-31T14:59:34Z | https://github.com/libjxl/libjxl/issues/1057 | 1,089,997,556 | 1,057 |
[
"libjxl",
"libjxl"
] | compiling git, i get:
```
C:/Documents/msys2/home/vincent.torri/gitroot_64/libjxl_main/lib/jxl/render_pipeline/render_pipeline_stage.h:124:24: warning: comparison of integer expressions of different signedness: 'size_t' {aka 'long long unsigned int'} and 'int' [-Wsign-compare]
124 | JXL_DASSERT(offset <= 1 <... | warning signed/unsigned | https://api.github.com/repos/libjxl/libjxl/issues/1050/comments | 1 | 2021-12-25T15:19:04Z | 2022-03-11T18:52:27Z | https://github.com/libjxl/libjxl/issues/1050 | 1,088,616,754 | 1,050 |
[
"libjxl",
"libjxl"
] | We found a crash with heap-buffer-overflow when fuzzing djxl_fuzzer target. The crash can only be reproduced after 7c5dfcd35fc6a91ae9d776bda7e23ecfaa8bfb38, so I suspect it is related to coalescing mode. The release versions don't seem to be affected.
**To Reproduce**
It is fuzzed with a modified oss-fuzz, therefor... | Heap-buffer-overflow in StoreRGBA | https://api.github.com/repos/libjxl/libjxl/issues/1041/comments | 1 | 2021-12-22T16:13:54Z | 2021-12-30T13:06:33Z | https://github.com/libjxl/libjxl/issues/1041 | 1,086,978,326 | 1,041 |
[
"libjxl",
"libjxl"
] | When transcoding old image files for archiving, it would be nice to have an option to let the transcoded files keep the modification date and time of the original files. | cjxl, djxl: Add option to preserve file modification timestamp | https://api.github.com/repos/libjxl/libjxl/issues/1038/comments | 7 | 2021-12-22T07:07:03Z | 2024-01-04T22:30:01Z | https://github.com/libjxl/libjxl/issues/1038 | 1,086,518,924 | 1,038 |
[
"libjxl",
"libjxl"
] | Run `./build/tools/djxl ./third_party/testdata/jxl/spline_on_first_frame.jxl ./out.{format}`
|{format}|result|debug messages|
|-|-|-|
|jpg|OK|
|exr|OK|
|png|wrong image (intermediate frame)|
|apng|"Failed to write decoded image."|"Cannot encode using Codec::kUnknown"|
|gif|"Failed to write decoded image."|"Encod... | Decoding is inconsistent across output formats | https://api.github.com/repos/libjxl/libjxl/issues/1029/comments | 4 | 2021-12-20T10:21:44Z | 2024-03-04T10:12:36Z | https://github.com/libjxl/libjxl/issues/1029 | 1,084,612,015 | 1,029 |
[
"libjxl",
"libjxl"
] | When encoding an image, if the JxlBasicInfo specifies an alpha channel, and I add a frame that has no alpha channel, the resulting encoded frame is completely transparent.
**To Reproduce**
- Call JxlEncoderSetBasicInfo using a JxlBasicInfo with, e.g., `num_color_channels = 3, num_extra_channels = 1, alpha_bits = 8`... | Adding a 3-channel RGB frame to a 4-channel RGBA image results in a fully-transparent frame. | https://api.github.com/repos/libjxl/libjxl/issues/1026/comments | 2 | 2021-12-17T14:44:56Z | 2022-05-19T16:11:13Z | https://github.com/libjxl/libjxl/issues/1026 | 1,083,328,811 | 1,026 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
The following tests are consistently failing on big-endian arches:
```
656 - DecodeTest/DecodeTestParam.PixelTest/301x33RGBAtoRGBAf16#GetParam()=301x33RGBAtoRGBAf16 (Failed)
662 - DecodeTest/DecodeTestParam.PixelTest/301x33RGBAtoRGBAf16Callback#GetParam()=301x33RGBAtoRGBAf16Callback (Fail... | Some tests are failing on big-endian arch | https://api.github.com/repos/libjxl/libjxl/issues/1024/comments | 7 | 2021-12-17T08:07:45Z | 2024-03-04T10:12:35Z | https://github.com/libjxl/libjxl/issues/1024 | 1,082,991,995 | 1,024 |
[
"libjxl",
"libjxl"
] | **Is your feature request related to a problem? Please describe.**
for a neophite user like me, correctly filling basic_info could be hard.
**Describe the solution you'd like**
Adding an API to fill basic_info for colorspaces like RGB, RGBA, etc...
thank you
| Add an API to fill basic info in some scenarii | https://api.github.com/repos/libjxl/libjxl/issues/1021/comments | 1 | 2021-12-15T16:31:41Z | 2022-04-07T08:34:39Z | https://github.com/libjxl/libjxl/issues/1021 | 1,081,244,564 | 1,021 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
jxl library properly uses a jxl.version script to hide some of the c++ symbols. This is not the case for jxl_threads. Please apply similar logic.
**To Reproduce**
When building on amd64, the c++ symbols being exported depends on the libstdc++ version:
* https://buildd.debian.org/status/... | jxl_threads: There is not point in exposing the underlying c++ symbols | https://api.github.com/repos/libjxl/libjxl/issues/1017/comments | 1 | 2021-12-15T14:48:49Z | 2021-12-15T21:51:18Z | https://github.com/libjxl/libjxl/issues/1017 | 1,081,130,251 | 1,017 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
```
/usr/bin/python3.9 /usr/bin/a2x --format manpage --destination-dir="/home/malat/jpeg-xl-0.6.1+ds/obj-x86_64-linux-gnu" /home/malat/jpeg-xl-0.6.1+ds/doc/man/cjxl.txt
File "/usr/bin/a2x", line 2
python3 -m asciidoc.a2x "$@"
^
SyntaxError: invalid syntax
```
**To ... | python3 -m asciidoc.a2x "$@" SyntaxError: invalid syntax | https://api.github.com/repos/libjxl/libjxl/issues/1015/comments | 1 | 2021-12-15T10:51:15Z | 2022-04-07T10:59:16Z | https://github.com/libjxl/libjxl/issues/1015 | 1,080,886,614 | 1,015 |
[
"libjxl",
"libjxl"
] | **Is your feature request related to a problem? Please describe.**
I've uploaded jpeg-xl to Debian repo. To keep source code small in between patch release, I'd like to have the testdata in a separate repo:
Typically:
```
% du -sh third_party/testdata
19M third_party/testdata
```
It is very unlikely ... | Remove `third_party/testdata` from the main libjxl repo | https://api.github.com/repos/libjxl/libjxl/issues/1013/comments | 2 | 2021-12-15T09:08:28Z | 2024-03-04T10:12:35Z | https://github.com/libjxl/libjxl/issues/1013 | 1,080,770,904 | 1,013 |
[
"libjxl",
"libjxl"
] |
authors of winpthreads are saying that it is slower than a usage of "native" thread API
as there is already a usage of the win32 thread API with Visual Studio, would it be possible to also use it with mingw ?
thank you
| with mingw, winpthread is slow | https://api.github.com/repos/libjxl/libjxl/issues/995/comments | 2 | 2021-12-13T10:13:11Z | 2022-04-07T13:49:01Z | https://github.com/libjxl/libjxl/issues/995 | 1,078,327,014 | 995 |
[
"libjxl",
"libjxl"
] | **Is your feature request related to a problem? Please describe.**
I was trying to decode a JXL image into a gdk pixbuf. Unfortunately, allocating
a pixbuf with the same pixel dimensions as the JXL output and passing the result of gdk_pixbuf_get_byte length into JxlDecoderSetImageOutBuffer fails because libjxl requ... | Allow using pixbuf for output buffer | https://api.github.com/repos/libjxl/libjxl/issues/994/comments | 6 | 2021-12-12T17:37:00Z | 2021-12-13T12:45:33Z | https://github.com/libjxl/libjxl/issues/994 | 1,077,864,325 | 994 |
[
"libjxl",
"libjxl"
] | * provide an enum in JxlPixelFormat to choose the colorspace (when num_channels == 4)
* add an implementation similar to RGBA
this will allow toolkits or other drawing tools using BGRA to avoid a colorspace conversion. | decoder: add BGRA output in addition to RGBA | https://api.github.com/repos/libjxl/libjxl/issues/993/comments | 5 | 2021-12-11T20:25:31Z | 2024-04-22T09:48:58Z | https://github.com/libjxl/libjxl/issues/993 | 1,077,640,591 | 993 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
with git of today, compilation of examples/jxlinfo. Output:
```
$ ./jxlinfo.exe ~/gitroot_64/conformance/testcases/animation_spline_5/input.jxl
./lib/jxl/decode.cc:2100: invalid signature
Decoder error
Couldn't print basic info
```
**Expected behavior**
basic info of this file
... | conformance regression with conformance/testcases/animation_spline_5/input.jxl ? | https://api.github.com/repos/libjxl/libjxl/issues/984/comments | 6 | 2021-12-10T05:10:22Z | 2021-12-10T10:01:12Z | https://github.com/libjxl/libjxl/issues/984 | 1,076,435,359 | 984 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
I was encoding some gifs with cjxl and ran into some animated ones that caused a JXL_ASSERT.
./lib/extras/packed_image_convert.cc:112: JXL_ASSERT: frame_rect.IsInside(Rect(0, 0, ppf.info.xsize, ppf.info.ysize))
I managed to make a gif which exhibits this behaviour from an animation in the ... | JXL_ASSERT while encoding from gif animation with frames that have non-zero origin | https://api.github.com/repos/libjxl/libjxl/issues/980/comments | 2 | 2021-12-09T17:01:08Z | 2022-01-24T15:33:38Z | https://github.com/libjxl/libjxl/issues/980 | 1,075,798,373 | 980 |
[
"libjxl",
"libjxl"
] | https://github.com/libjxl/libjxl/pull/967 disables the WASM pipeline because the build system for it is not working. We should re-enable it ASAP. | Re-enable the WASM pipeline | https://api.github.com/repos/libjxl/libjxl/issues/968/comments | 0 | 2021-12-08T15:15:26Z | 2021-12-22T13:34:50Z | https://github.com/libjxl/libjxl/issues/968 | 1,074,519,877 | 968 |
[
"libjxl",
"libjxl"
] | **Is your feature request related to a problem? Please describe.**
I'm interested in lossless transcoding of JPEG images - specifically, getting identicalmpixel values out of the image. As far as I can see, this can be done by storing JPEG reconstruction data and reconstructing the original JPEG.
However, when no... | make it possible to get the original pixel values from losslessly transcoded jpeg files, or document that it can't be done | https://api.github.com/repos/libjxl/libjxl/issues/950/comments | 7 | 2021-12-05T18:57:50Z | 2022-04-07T17:01:00Z | https://github.com/libjxl/libjxl/issues/950 | 1,071,531,406 | 950 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
While cjxl, which uses an undocumented API, can create jxl files that allow jpeg reconstruction, the official (C) API currently (commit ea2612d6df99e9878b51e315935f9d6201f5fe47) generates corrupt files that can be viewed, but fail to reconstruct to the original JPEG files.
**To Reproduce**
... | Reference API generates corrupt JXL files that cannot be decoded to JPEG anymore. | https://api.github.com/repos/libjxl/libjxl/issues/949/comments | 8 | 2021-12-05T05:22:13Z | 2024-03-04T10:12:35Z | https://github.com/libjxl/libjxl/issues/949 | 1,071,375,965 | 949 |
[
"libjxl",
"libjxl"
] | I've been comparing Jpeg-XL recompression of existing jpeg files with PackJPG (https://github.com/packjpg/packJPG) and the latter is giving me ~8% better compression based on a pretty large (2gb) chunk of sample jpegs consisting of primarily photos (nature, faces etc), but also animation and 3d renders.
I was wonder... | Jpeg recompression efficiency | https://api.github.com/repos/libjxl/libjxl/issues/934/comments | 6 | 2021-12-01T10:59:21Z | 2021-12-02T06:12:46Z | https://github.com/libjxl/libjxl/issues/934 | 1,068,260,125 | 934 |
[
"libjxl",
"libjxl"
] | I always try to get my code warning free, to see if there is a problem.
When I now compile the lib, I get more then 4000 Warnings for the lib.
Are you interested in fixing this?
They are almost not so special, but if they would be gone, you can find real problems.
One example in ac_context.h
JXL_DASSERT((1u << l... | More then 4000 Warnings when compiling with Visual Studio | https://api.github.com/repos/libjxl/libjxl/issues/933/comments | 2 | 2021-12-01T05:09:05Z | 2022-04-07T10:44:06Z | https://github.com/libjxl/libjxl/issues/933 | 1,067,969,245 | 933 |
[
"libjxl",
"libjxl"
] | I compile the library with Visual Studio.
There is only one place in the code that needs C++ Standard version 20. Can you change it to
const JxlCmsInterface& GetJxlCms() {
static constexpr JxlCmsInterface kInterface = {
nullptr,
&JxlCmsInit,
&JxlCmsGetSrcBuf,
&JxlCmsGetDstBuf,
&D... | Stay on C++ Standard version 14 | https://api.github.com/repos/libjxl/libjxl/issues/932/comments | 2 | 2021-12-01T04:31:04Z | 2021-12-01T19:35:01Z | https://github.com/libjxl/libjxl/issues/932 | 1,067,948,941 | 932 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
This 363 byte file [illegalInstruction.fuzz.txt](https://github.com/libjxl/libjxl/files/7612115/illegalInstruction.fuzz.txt) causes an illegal instruction crash when the decoder is used with the --allow_partial_files and --allow_more_progressive_steps falgs.
**To Reproduce**
djxl illegalInst... | Decoder illegal instruction crash with allow_partial_files and allow_more_progressive_steps | https://api.github.com/repos/libjxl/libjxl/issues/919/comments | 3 | 2021-11-27T17:36:34Z | 2024-03-04T10:12:35Z | https://github.com/libjxl/libjxl/issues/919 | 1,065,093,898 | 919 |
[
"libjxl",
"libjxl"
] | code that already worked fine is no longer able to save an image.
What I do in principle:
JxlEncoderPtr enc = JxlEncoderMake(NULL);
JxlThreadParallelRunnerPtr runner = JxlThreadParallelRunnerMake(nullptr, JxlThreadParallelRunnerDefaultNumWorkerThreads());
status = JxlEncoderSetParallelRunner(enc.get(), JxlThr... | Saving JPEG XL ends in jxl::Abort | https://api.github.com/repos/libjxl/libjxl/issues/917/comments | 9 | 2021-11-26T16:58:32Z | 2022-04-07T10:42:37Z | https://github.com/libjxl/libjxl/issues/917 | 1,064,695,613 | 917 |
[
"libjxl",
"libjxl"
] | JxlEncoderStatus JxlEncoderOptionsSetDistance(JxlEncoderOptions* options, float distance)
there is a line:
if (distance < 6.56f) {
jpeg_quality = -5.456783f * std::log(0.0256f * distance - 0.16384f);
} else {
jpeg_quality = -11.11111f * distance + 101.11111f;
}
this generates a crash, because log... | Crash when trying to save. | https://api.github.com/repos/libjxl/libjxl/issues/915/comments | 1 | 2021-11-26T08:42:22Z | 2021-11-26T16:58:53Z | https://github.com/libjxl/libjxl/issues/915 | 1,064,224,357 | 915 |
[
"libjxl",
"libjxl"
] | ```
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:
The following pa... | CI: Cross-compiling i686-linux-gnu job is broken | https://api.github.com/repos/libjxl/libjxl/issues/910/comments | 1 | 2021-11-25T15:52:47Z | 2021-12-22T13:34:30Z | https://github.com/libjxl/libjxl/issues/910 | 1,063,743,647 | 910 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
The build instruction for JXL on Debian are located at:
* https://github.com/libjxl/libjxl/blob/main/doc/developing_in_debian.md
As you can observe there is no specific requirement on how `libstdc++` was built. In particular it seems to imply that the default `libstdc++` built without `-fn... | libstdc++: Clarify build instructions on Debian | https://api.github.com/repos/libjxl/libjxl/issues/904/comments | 5 | 2021-11-25T08:08:43Z | 2024-03-04T10:12:35Z | https://github.com/libjxl/libjxl/issues/904 | 1,063,271,203 | 904 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
segfault in JxlDecoderProcessInput(), it seems (i print something before and after this function, and the print after is no displayed)
**To Reproduce**
code below, when trying to display conformance/testcases/alpha_premultiplied/input.jxl. Note that conformance/testcases/alpha_nonpremultiplied... | MSYS2 + mingw-w64: segfault when running alpha_premultiplied/input.jxl conformance test | https://api.github.com/repos/libjxl/libjxl/issues/901/comments | 3 | 2021-11-23T20:15:42Z | 2021-12-17T05:41:09Z | https://github.com/libjxl/libjxl/issues/901 | 1,061,671,834 | 901 |
[
"libjxl",
"libjxl"
] | Photon noise is nice but it doesn't fit everywhere. For example, digital artworks might use more "consistent" noise with regards to brightness. If you try to compensate for the loss (due to compression) of such noise by adding back photon_noise, it will change the noise characteristics and deviate (unnecessarily) from ... | Triangular PDF Noise (as alternative to photon noise) | https://api.github.com/repos/libjxl/libjxl/issues/900/comments | 3 | 2021-11-23T16:08:12Z | 2022-04-07T08:01:55Z | https://github.com/libjxl/libjxl/issues/900 | 1,061,463,867 | 900 |
[
"libjxl",
"libjxl"
] | gdk-pixbuf plugin will currently install in a wrong path when cross-compiling because `pkg_get_variable(GDK_PIXBUF_MODULEDIR gdk-pixbuf-2.0 gdk_pixbuf_moduledir)` will unfortunately return the absolute path on the build machine.
See [this idea](https://github.com/AOMediaCodec/libavif/blob/a50928936b068896bac6a1eb6c2... | Wrong install path for gdk-pixbuf plugin | https://api.github.com/repos/libjxl/libjxl/issues/899/comments | 1 | 2021-11-23T15:26:47Z | 2021-12-23T14:50:51Z | https://github.com/libjxl/libjxl/issues/899 | 1,061,417,681 | 899 |
[
"libjxl",
"libjxl"
] | Currently when disabling coalescing and using the pixel callback function, it still returns image-sized frames. This is probably not what we want in that case; it should return a frame-sized frame instead, like it does with the buffer methods. That or we should just not allow using that combination (for now). | No-coalescing + pixel callback = ? | https://api.github.com/repos/libjxl/libjxl/issues/896/comments | 2 | 2021-11-22T20:56:29Z | 2024-03-04T10:12:34Z | https://github.com/libjxl/libjxl/issues/896 | 1,060,584,915 | 896 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
Most of the images from this one camera transcoded successfully with jbrd, but a few failed:
```
$ cjxl IMG_0005.JPG - > /dev/null
JPEG XL encoder v0.7.0 cacc3da [AVX2]
Read 4608x3456 image, 144.1 MP/s
Encoding [Container | JPEG, lossless transcode, tortoise | JPEG reconstruction data | 6... | Feature request: allow `jbrd` to reconstruct a part of the file when it's not possible for the whole file | https://api.github.com/repos/libjxl/libjxl/issues/895/comments | 7 | 2021-11-22T19:58:33Z | 2025-01-17T18:12:55Z | https://github.com/libjxl/libjxl/issues/895 | 1,060,539,161 | 895 |
[
"libjxl",
"libjxl"
] | Hi, sorry for interrupting the development, I'm having trouble using the C/C++ API to encode an RGB pixel array losslessly.
The image generated by the function below is not lossless unfortunately, I was wondering if I'm simply missing something, I thought that only `JxlEncoderOptionsSetLossless()` was needed but tha... | Difficulties with lossless encoding | https://api.github.com/repos/libjxl/libjxl/issues/894/comments | 6 | 2021-11-22T18:43:12Z | 2022-03-23T08:03:41Z | https://github.com/libjxl/libjxl/issues/894 | 1,060,480,707 | 894 |
[
"libjxl",
"libjxl"
] | Hello,
this is a new warning which appeared recently:
```
* QA Notice: Package triggers severe warnings which indicate that it
* may exhibit random runtime failures.
* /usr/include/bits/string_fortified.h:59:33: warning: ‘void* __builtin_memset(void*, int, long unsigned int)’ offset [0, 3] is out of ... | Warning from Gentoo Linux package | https://api.github.com/repos/libjxl/libjxl/issues/892/comments | 2 | 2021-11-22T16:27:42Z | 2024-03-04T10:12:34Z | https://github.com/libjxl/libjxl/issues/892 | 1,060,356,695 | 892 |
[
"libjxl",
"libjxl"
] | ASAN build finishes in 22+ min.
MSAN build finishes in 33+ min.
I'm sure it could be faster. | (A|M)SAN build is very slow in CI | https://api.github.com/repos/libjxl/libjxl/issues/890/comments | 2 | 2021-11-22T14:46:33Z | 2024-03-04T10:38:58Z | https://github.com/libjxl/libjxl/issues/890 | 1,060,243,245 | 890 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
Since 10f5c38d2d3737464a3a09b2e73f3674641c760e I cannot build jxl on arm64 with GCC.
Clang compiles fine.
```
In file included from /libjxl/lib/jxl/fast_dct.cc:13:
/libjxl/lib/jxl/fast_dct-inl.h: In function 'void jxl::N_NEON::{anonymous}::FastTransposeBlock(const int16_t*, size_t, size_t, siz... | Build failure on arm64 with GCC | https://api.github.com/repos/libjxl/libjxl/issues/884/comments | 6 | 2021-11-21T22:57:34Z | 2021-11-22T13:35:43Z | https://github.com/libjxl/libjxl/issues/884 | 1,059,510,433 | 884 |
[
"libjxl",
"libjxl"
] | Hello, I notice as of https://github.com/libjxl/libjxl/pull/841 that libjxl has a new security policy.
The [libvips fuzzers](https://github.com/libvips/libvips/tree/master/fuzz) running on OSS Fuzz have found 4 new libjxl-related issues in the last couple of days, including 2 possible CVE-level problems, one of whic... | Invitation for one or more libjxl maintainers to (temporarily?) join the libvips OSS Fuzz group | https://api.github.com/repos/libjxl/libjxl/issues/883/comments | 4 | 2021-11-21T22:40:24Z | 2021-11-22T16:37:44Z | https://github.com/libjxl/libjxl/issues/883 | 1,059,506,920 | 883 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
several " may be used uninitialized" and "out of bounds" warnings
**To Reproduce**
compilation
**Expected behavior**
no warning
**Environment**
- OS: Windows 10
- Compiler version: g++ 11.2.0
- CPU type: x86_64
git of today.
Here are the warnings :
```
C:/Documents/m... | Warnings on Windows with MSYS2 + mingw-w64 | https://api.github.com/repos/libjxl/libjxl/issues/882/comments | 7 | 2021-11-21T16:12:51Z | 2024-03-04T10:12:34Z | https://github.com/libjxl/libjxl/issues/882 | 1,059,419,451 | 882 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
```
./deps.sh: line 26: ${path^^}: bad substitution
```
**To Reproduce**
```
run ./deps.sh on macOS terminal
make sure you don't install another lastest version bash
beacuse macOS pre-installed a very old bash version (3.2)
```
**Expected behavior**
```
no error.
```
**Screenshots... | ./deps.sh: line 26: ${path^^}: bad substitution on macos | https://api.github.com/repos/libjxl/libjxl/issues/881/comments | 1 | 2021-11-21T07:28:33Z | 2025-02-04T18:41:53Z | https://github.com/libjxl/libjxl/issues/881 | 1,059,311,899 | 881 |
[
"libjxl",
"libjxl"
] | I wanted to view a JXL file on Windows and i tried to compile the embedded viewer, when i realized that it was using QT. I don't want to install QT just for that.
So my request is : would it be possible to add a basic viewer (or replace this one) with one which depends on GDI on Windows, and Xlib (or XCB) otherwise ... | [request] use X11 and GDI for a basic viewer instead of QT | https://api.github.com/repos/libjxl/libjxl/issues/880/comments | 2 | 2021-11-20T20:57:44Z | 2021-11-21T13:40:18Z | https://github.com/libjxl/libjxl/issues/880 | 1,059,228,245 | 880 |
[
"libjxl",
"libjxl"
] | /lib/jxl/dec_patch_dictionary.cc line 117
code:
for (size_t i = 0; i < id_count; i++) {
PatchPosition pos;
pos.ref_pos = ref_pos;
// .. some lines
for (size_t i = 0; i < shared_->metadata->m.extra_channel_info.size() + 1; // <-- shadow variable
i++) {
| shadow variable | https://api.github.com/repos/libjxl/libjxl/issues/877/comments | 1 | 2021-11-20T10:55:22Z | 2021-11-22T10:17:41Z | https://github.com/libjxl/libjxl/issues/877 | 1,059,118,613 | 877 |
[
"libjxl",
"libjxl"
] | It would be nice to have a `jxltran` tool similar to `jpegtran` that can perform some operations on existing jxl images that don't involve decoding / encoding, but things like changing some header fields, stripping or adding metadata, etc.
Perhaps some of that functionality is already or should be exposed through th... | New tool request: jxltran | https://api.github.com/repos/libjxl/libjxl/issues/871/comments | 6 | 2021-11-19T14:26:01Z | 2025-04-14T14:45:22Z | https://github.com/libjxl/libjxl/issues/871 | 1,058,587,608 | 871 |
[
"libjxl",
"libjxl"
] | hello
I would like to know your opinion of this proposal : JxlAnimationHeader structure could have the number of frames, and, if the animation is repeated infinitely, having a bool for this (infinite : true/false)
thank you | modify JxlAnimationHeader | https://api.github.com/repos/libjxl/libjxl/issues/869/comments | 6 | 2021-11-18T19:13:41Z | 2021-11-19T09:59:04Z | https://github.com/libjxl/libjxl/issues/869 | 1,057,708,513 | 869 |
[
"libjxl",
"libjxl"
] | afaics, the gdkpixbuf plugin is explicitely calling skcms_Parse()
wouldn't there be a compiler error if lcms2 is used instead of skcms ?
| gdkpixbuf plugin calls explicitely skcms_Parse(), what if lcms2 is used ? | https://api.github.com/repos/libjxl/libjxl/issues/865/comments | 2 | 2021-11-18T07:33:17Z | 2021-11-23T10:27:12Z | https://github.com/libjxl/libjxl/issues/865 | 1,057,030,464 | 865 |
[
"libjxl",
"libjxl"
] | SetBlobsFromJpegData reads exif and xmp. it is called via DecodeImageJPGCoefficients -> jpeg::DecodeImageJPG. in jxl::extras::DecodeImageJPG, exif is read by ReadExif. i guess there should be ReadXMP similar to ReadExif. it seems like a lot of code duplication though. | cjxl ignores JPEG XMP if JPEG reconstruction is disabled | https://api.github.com/repos/libjxl/libjxl/issues/861/comments | 2 | 2021-11-16T18:33:28Z | 2024-09-15T16:14:05Z | https://github.com/libjxl/libjxl/issues/861 | 1,055,198,575 | 861 |
[
"libjxl",
"libjxl"
] | afaics, fclose() / JxlDecoderCloseInput() are not called in jxlinfo.c example, is it normal ?
| fclose() / JxlDecoderCloseInput() not called in the jxlinfo.c example | https://api.github.com/repos/libjxl/libjxl/issues/859/comments | 1 | 2021-11-16T15:26:23Z | 2021-11-17T17:19:35Z | https://github.com/libjxl/libjxl/issues/859 | 1,055,011,979 | 859 |
[
"libjxl",
"libjxl"
] | The following command seems to hang forever:
```
[43/181] /usr/local/bin/clang++ -DJPEGXL_MAJOR_VERSION=0 -DJPEGXL_MINOR_VERSION=7 -DJPEGXL_PATCH_VERSION=0 -DJXL_ENABLE_FUZZERS -DJXL_INTERNAL_LIBRARY_BUILD -D__DATE__=\"redacted\" -D__TIMESTAMP__=\"redacted\" -D__TIME__=\"redacted\" -I/src/libjxl -I/src/libjxl/lib/inc... | Fuzzer build fails (timeout) | https://api.github.com/repos/libjxl/libjxl/issues/858/comments | 14 | 2021-11-16T15:07:06Z | 2024-03-04T10:37:16Z | https://github.com/libjxl/libjxl/issues/858 | 1,054,989,429 | 858 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
`djxl` failed to decompress to pixels.
**To Reproduce**
Take the image *sample_5184×3456.jpeg* from [here](https://filesamples.com/formats/jpeg).
Encode the image with settings: `cjxl -j -d 0.5 -e 8` (must be `-d ≤ 0.9` and `-e ≥ 8`).
Try to decode with `djxl`.
```PowerShell
PS > cjxl 0.jp... | `djxl` failed with "Tree is too large" | https://api.github.com/repos/libjxl/libjxl/issues/848/comments | 3 | 2021-11-15T08:38:52Z | 2021-11-19T11:17:55Z | https://github.com/libjxl/libjxl/issues/848 | 1,053,360,946 | 848 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
This 49 byte input file (found by fuzzing) [crash-min.jxl.txt](https://github.com/libjxl/libjxl/files/7520009/crash-min.jxl.txt) causes a segmentation fault when trying to decode with djxl.
**To Reproduce**
`djxl crash-min.jxl.txt --allow_partial_files --allow_more_progressive_steps`
```
Add... | Potential null pointer dereference in FinalizeImageRect - ASan | https://api.github.com/repos/libjxl/libjxl/issues/842/comments | 1 | 2021-11-11T11:28:28Z | 2021-11-16T09:18:20Z | https://github.com/libjxl/libjxl/issues/842 | 1,050,878,975 | 842 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
When djxl is compiled with MSan it produces a stack trace when provided with any input file that is then converted to an output file:
```
==1828==WARNING: MemorySanitizer: use-of-uninitialized-value
#0 0x4aaae7 in std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char>... | Use of uninitialized value in tools/djxl.cc - MSan | https://api.github.com/repos/libjxl/libjxl/issues/840/comments | 3 | 2021-11-11T10:48:36Z | 2021-11-11T12:32:09Z | https://github.com/libjxl/libjxl/issues/840 | 1,050,844,297 | 840 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
When djxl is compiled with MSan it produces a stack trace when provided with any input file:
```
JPEG XL decoder v0.7.0 3dcc100 [SSE4,Scalar]
==12274==WARNING: MemorySanitizer: use-of-uninitialized-value
#0 0x55e1bea80e7d in std::_Rb_tree<unsigned int, unsigned int, std::_Identity<unsigned... | Use of uninitialized value in tools/cpu/cpu.cc - MSan | https://api.github.com/repos/libjxl/libjxl/issues/824/comments | 0 | 2021-11-08T16:15:43Z | 2021-11-08T20:44:09Z | https://github.com/libjxl/libjxl/issues/824 | 1,047,640,151 | 824 |
[
"libjxl",
"libjxl"
] | as it says in the title, i was doing bulk transcode of manga jpg's and it failed on some while working on others from the same batch of files, which is pretty strange given the fact that i assume in manga pages are processed in bulk with the same settings
heres the logs
```
cjxl -v Aria_v01_007.jpg try.jxl
JPEG XL ... | cjxl crashes with some black and white images | https://api.github.com/repos/libjxl/libjxl/issues/822/comments | 8 | 2021-11-08T13:38:40Z | 2022-04-07T07:49:46Z | https://github.com/libjxl/libjxl/issues/822 | 1,047,461,798 | 822 |
[
"libjxl",
"libjxl"
] | Most formats have image DPI infos in the file header, no such thing in JXL?
Converting PNG (with DPI infos in the file header) to JXL and back (using cjxl.exe and djxl.exe) => DPI infos are lost. | Missing DPI infos in JXL format | https://api.github.com/repos/libjxl/libjxl/issues/817/comments | 5 | 2021-11-06T10:50:05Z | 2024-08-08T17:15:37Z | https://github.com/libjxl/libjxl/issues/817 | 1,046,483,003 | 817 |
[
"libjxl",
"libjxl"
] | Hello,
I am unable to transcode some JPG images to JXL. Majority of them works, but some some them trigger error.
Example:
[mobile_photo.zip](https://github.com/libjxl/libjxl/files/7451997/mobile_photo.zip)
```
cjxl IMG_20211031_140031.jpg compressed.jxl
JPEG XL encoder v0.7.0 2b5e77c [AVX2]
Read 4624x260... | lossless transcode JPG->JXL failed | https://api.github.com/repos/libjxl/libjxl/issues/803/comments | 8 | 2021-11-01T09:10:58Z | 2021-11-19T15:08:28Z | https://github.com/libjxl/libjxl/issues/803 | 1,040,944,397 | 803 |
[
"libjxl",
"libjxl"
] | Right now you have to manually choose the output format (as far as I'm aware). Quite often I have to decode a JXL file for use in programs that don't and probably never will support JXL. The problem is in many cases I'm not sure if the source file was a JPEG or a PNG (or other lossless format). It would be nice if djxl... | Suggestion: Allow djxl to automatically choose the output format | https://api.github.com/repos/libjxl/libjxl/issues/786/comments | 0 | 2021-10-27T16:03:11Z | 2022-03-31T19:02:36Z | https://github.com/libjxl/libjxl/issues/786 | 1,037,597,730 | 786 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
Hi, this 8 byte input file (found by fuzzing)
[SIGSEGV.PC.555555573116.STACK.140516608b.CODE.128.ADDR.0.INSTR.movslq_0x8(%rdx),%rdi.fuzz.verified.txt](https://github.com/libjxl/libjxl/files/7425387/SIGSEGV.PC.555555573116.STACK.140516608b.CODE.128.ADDR.0.INSTR.movslq_0x8.rdx.rdi.fuzz.verified.txt... | Segmentation fault with djxl | https://api.github.com/repos/libjxl/libjxl/issues/781/comments | 0 | 2021-10-27T10:56:37Z | 2021-10-27T13:23:54Z | https://github.com/libjxl/libjxl/issues/781 | 1,037,273,646 | 781 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
From the result of bisection, since commit 2a1e53af540fdc6637c4517cf8d721c9a47a4dc6 (Tweaks to DC and AC deadzone quantization (#691)), a (small) image compressed with effort 9 is bigger than effort 3, and it is actually larger than before.
The issue was spotted by the GDAL regression test suite:... | [regression] Size of lossy effort 9 > effort 3 | https://api.github.com/repos/libjxl/libjxl/issues/771/comments | 3 | 2021-10-26T08:16:25Z | 2021-10-27T15:24:22Z | https://github.com/libjxl/libjxl/issues/771 | 1,035,984,864 | 771 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
```
The following tests FAILED:
898 - conformance_tooling_test (Failed)
Errors while running CTest
```
**To Reproduce**
build with tests i guess. i got it when building libjxl-git archlinux aur pkg
**Expected behavior**
test passes
**Screenshots**
If applicable, add screenshots or... | confirmance_tooling_test fails due to sha256sums keyerror | https://api.github.com/repos/libjxl/libjxl/issues/765/comments | 0 | 2021-10-22T20:10:57Z | 2021-10-22T20:38:37Z | https://github.com/libjxl/libjxl/issues/765 | 1,033,913,575 | 765 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
Can't encode the image
<img src=https://user-images.githubusercontent.com/11173476/138491058-fadbcb58-223d-4311-9212-144fc9acb42d.jpg width=200/>
**To Reproduce**
```
cjxl 0.jpg -j
JPEG XL encoder v0.7.0 0c3c093 [SSE4]
./lib/extras/packed_image_convert.cc:125: JXL_ASSERT: io->metadata.m.... | `cjxl` - lossy encoding grayscale jpeg fails | https://api.github.com/repos/libjxl/libjxl/issues/764/comments | 5 | 2021-10-22T16:41:55Z | 2021-11-17T16:54:11Z | https://github.com/libjxl/libjxl/issues/764 | 1,033,770,716 | 764 |
[
"libjxl",
"libjxl"
] | Hello,
especially on 32bit systems, there is very easy to run out of available memory (address space is limited).
It is enough to have few large images with float precision and together with other objects/libraries the address space is exhausted.
I can easily get following assertion when decoding another big i... | better handling of memory allocation failures | https://api.github.com/repos/libjxl/libjxl/issues/762/comments | 1 | 2021-10-22T08:51:38Z | 2022-04-07T10:21:53Z | https://github.com/libjxl/libjxl/issues/762 | 1,033,338,696 | 762 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
conformance_tooling_test failing
**To Reproduce**
(too lazy)
**Expected behavior**
that test aint failin
**Screenshots**
```
898/898 Testing: conformance_tooling_test
898/898 Test: conformance_tooling_test
Command: "/usr/bin/bash" "/home/anon/.cache/yay/libjxl-git/src/libjxl/tools/c... | conformance_tooling_test failing | https://api.github.com/repos/libjxl/libjxl/issues/758/comments | 0 | 2021-10-20T18:40:45Z | 2021-10-21T16:38:21Z | https://github.com/libjxl/libjxl/issues/758 | 1,031,720,022 | 758 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
Attempting to encode an animated PNG with `cjxl input.png output.jxl` yields an error message: `Failed to read image input.png` and exits.
**To Reproduce**
Take the animated PNG located at [https://upload.wikimedia.org/wikipedia/commons/1/14/Animated_PNG_example_bouncing_beach_ball.png](https:... | Failed to read image when encoding animated PNG | https://api.github.com/repos/libjxl/libjxl/issues/756/comments | 2 | 2021-10-20T16:29:56Z | 2021-12-29T10:11:27Z | https://github.com/libjxl/libjxl/issues/756 | 1,031,607,862 | 756 |
[
"libjxl",
"libjxl"
] | **Is your feature request related to a problem? Please describe.**
In [Developing on Windows with Visual Studio 2019](https://github.com/libjxl/libjxl/blob/11af749907d4f30889851379af01ec98f5dc0197/doc/developing_in_windows_vcpkg.md) documentation, only x64 instructions are written.
**Describe the solution you'd lik... | Add documentition for building for 32bit windows target | https://api.github.com/repos/libjxl/libjxl/issues/754/comments | 0 | 2021-10-20T14:23:16Z | 2024-03-04T10:19:37Z | https://github.com/libjxl/libjxl/issues/754 | 1,031,474,995 | 754 |
[
"libjxl",
"libjxl"
] | #750 added MSYS2 with gcc, we can also test MSYS2 with clang. See the details @kmilos wrote in this comment: https://github.com/libjxl/libjxl/pull/750#issuecomment-947459334 | Test on MSYS2 + clang{32,64} | https://api.github.com/repos/libjxl/libjxl/issues/753/comments | 0 | 2021-10-20T11:47:27Z | 2024-03-04T10:27:18Z | https://github.com/libjxl/libjxl/issues/753 | 1,031,312,022 | 753 |
[
"libjxl",
"libjxl"
] | Since `.h` files are ambiguous, with respect to C and C++, it might be worth indicating which can be used with C and which require C++. On my Linux system, a number of files have a first-line comment containing `-*- C -*-` or `-*- C++ -*-`. Apparently, emacs uses this to identify the file type. I know there are oth... | Should header files be marked as for C or C++? | https://api.github.com/repos/libjxl/libjxl/issues/741/comments | 2 | 2021-10-17T15:21:04Z | 2021-12-11T06:53:09Z | https://github.com/libjxl/libjxl/issues/741 | 1,028,355,772 | 741 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
Debian jxl package won't install on debian unstable due to missing dependency `libjpeg8`
Debian unstable packages libjpeg9 instead, which I suspect could be a drop-in replacement.
**To Reproduce**
Try and install the debian package on debian unstable.
**Expected behavior**
It install, pro... | Debian jxl package depends on version of libjpeg not in latest debian | https://api.github.com/repos/libjxl/libjxl/issues/740/comments | 3 | 2021-10-17T13:10:52Z | 2021-10-18T11:59:52Z | https://github.com/libjxl/libjxl/issues/740 | 1,028,320,015 | 740 |
[
"libjxl",
"libjxl"
] | Hello, this 161 byte JPEG-XL image, found via fuzz testing, causes a segfault during decoding (using the latest commit on the `main` branch).
https://github.com/libjxl/libjxl/files/7348994/fuzz39533.jxl.txt
```
==1086695==ERROR: UndefinedBehaviorSanitizer: SEGV on unknown address 0x7fb932913530 (pc 0x00000153da1... | splines: segfault due to out of bounds access of segment array | https://api.github.com/repos/libjxl/libjxl/issues/735/comments | 7 | 2021-10-14T20:01:32Z | 2021-11-01T21:54:23Z | https://github.com/libjxl/libjxl/issues/735 | 1,026,770,643 | 735 |
[
"libjxl",
"libjxl"
] | Problems with current system:
- works only on x86_64, Mac, Haiku
- asm not portable to other archs, even in theory: CPUID-type instructions are usually not available to userspace
- on unsupported systems, always returns 1
- doesn't handle affinity on Mac or Haiku
- mishandles "mismatched" affinities on x86_64: e... | Simplify num_threads detection | https://api.github.com/repos/libjxl/libjxl/issues/734/comments | 3 | 2021-10-14T19:34:05Z | 2021-11-08T20:44:09Z | https://github.com/libjxl/libjxl/issues/734 | 1,026,749,321 | 734 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
HWY acceleration changes how lossy .jxl files are decoded
**To Reproduce**
```
$ cjxl -d 1.0 in.jpg in.jxl
$ djxl in.jxl accel.jpg
```
Add a call to disable hw acceleration in libjxl/tools/djxl_main.cc
```
int main(int argc, const char* argv[]) {
hwy::DisableTargets(~0u);
ret... | djxl decodes lossy .jxl files to different jpegs depending on if hardware acceleration is turned off | https://api.github.com/repos/libjxl/libjxl/issues/733/comments | 1 | 2021-10-14T17:21:20Z | 2021-10-28T09:12:21Z | https://github.com/libjxl/libjxl/issues/733 | 1,026,642,527 | 733 |
[
"libjxl",
"libjxl"
] | Hi,
In the release mode the static Libs/binaries should not contain the filenames (for sure not the full path) of the CC files used in several error messages/warning/asserts.
I found the "__FILE__" usage in:
(version 0.6)
hwy\base.h
decode.cc
encode.cc
base\status.h
This is nice in Debug mode, but not... | Several static Libs/Binaries contain full path of (many) CC files for errors/asserts/warnings | https://api.github.com/repos/libjxl/libjxl/issues/730/comments | 6 | 2021-10-14T12:05:23Z | 2021-10-15T13:04:51Z | https://github.com/libjxl/libjxl/issues/730 | 1,026,315,250 | 730 |
[
"libjxl",
"libjxl"
] | Hello - firstly, thank you for `libjxl`, I am very much looking forward to implementing it.
I am compiling on Ubuntu 20.04 with `libavif` already installed, and I get a `cmake` error toward the end of the process:
```
Scanning dependencies of target djxl
[ 92%] Building CXX object tools/CMakeFiles/djxl.dir/djxl... | Compile issue on Ubuntu 20.04 | https://api.github.com/repos/libjxl/libjxl/issues/729/comments | 3 | 2021-10-14T09:43:05Z | 2021-10-14T11:42:14Z | https://github.com/libjxl/libjxl/issues/729 | 1,026,187,036 | 729 |
[
"libjxl",
"libjxl"
] | Some GIF, compressed with -d 0 -e 8, end up being larger than the original.
Typical example: https://dilbert.com/strip/1992-09-26 - GIF input is 147 kb, .JXL is 177 kb.
Actually nearly all Dilberts from before the year 2000, and some after that too.
Is this by design and cannot be changed, or does the encoder fail t... | Possible compression fail with some GIF - by design, or encoder failure? | https://api.github.com/repos/libjxl/libjxl/issues/727/comments | 33 | 2021-10-13T16:18:19Z | 2022-11-06T17:01:12Z | https://github.com/libjxl/libjxl/issues/727 | 1,025,449,142 | 727 |
[
"libjxl",
"libjxl"
] | Hi,
Crash in Hwy "base.h", function: "PopCount" when using "_mm_popcnt" on "old" CPU.
CPU: Intel(R) Core(TM)2 Quad CPU Q9400
Compiler: MSVC 2017 or 2019
JXL lib version: 0.6
Solution: use the native code in "PopCount".
Maybe this needs a flag in CMake or auto-detection of supported CPUs?
| Crash in Highway (base.h) with old CPU | https://api.github.com/repos/libjxl/libjxl/issues/726/comments | 2 | 2021-10-13T12:56:57Z | 2021-10-14T11:30:40Z | https://github.com/libjxl/libjxl/issues/726 | 1,025,216,887 | 726 |
[
"libjxl",
"libjxl"
] | Hello,
I downloaded genessa8.jxl from the old issue:
https://gitlab.com/wg1/jpeg-xl/-/issues/228
and I am unable to decode it using C API again. This problem was fixed in the past but it is happening again.
djxl can convert it but with warning:
`Warning: could not decode losslessly to JPEG. Retrying with --pixels_... | Unable to decode older JXL file using C API again | https://api.github.com/repos/libjxl/libjxl/issues/725/comments | 2 | 2021-10-13T09:59:15Z | 2022-03-31T12:55:35Z | https://github.com/libjxl/libjxl/issues/725 | 1,025,040,032 | 725 |
[
"libjxl",
"libjxl"
] | As a new user, i'm completly lost with the cmake options. Would it be possible to add comments at the top of CMakeLists.txt, which lists and document them, like in this project :
https://github.com/lexbor/lexbor/blob/master/CMakeLists.txt#L3
thank you
| Add cmake options at the top of CMakeLists.txt | https://api.github.com/repos/libjxl/libjxl/issues/723/comments | 3 | 2021-10-12T17:47:32Z | 2022-03-31T12:52:58Z | https://github.com/libjxl/libjxl/issues/723 | 1,024,083,522 | 723 |
[
"libjxl",
"libjxl"
] | Hello
is it normal that the release tarball does not contain third party libs ? Otherwise, it needs internet connection to download them
thank you | released tarbal and third party libs | https://api.github.com/repos/libjxl/libjxl/issues/722/comments | 1 | 2021-10-12T16:38:56Z | 2021-10-13T11:38:04Z | https://github.com/libjxl/libjxl/issues/722 | 1,024,024,893 | 722 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
When given a greyscale PNG as input, cjxl fails if the image has an RGB ICC profile.
**To Reproduce**
``cjxl greyscale_with_rgb_icc.png greyscale.ll.jxl -q 100`` or lossy:
``cjxl greyscale_with_rgb_icc.png greyscale.ll.jxl -q 90``
3 sample files provided in attachment.
Terminal output:
```... | cjxl fails when given greyscale PNGs with RGB ICC profiles | https://api.github.com/repos/libjxl/libjxl/issues/720/comments | 3 | 2021-10-12T01:22:41Z | 2022-03-31T14:17:31Z | https://github.com/libjxl/libjxl/issues/720 | 1,023,260,305 | 720 |
[
"libjxl",
"libjxl"
] |
on Windows, MSYS2 + gcc, I have these warnings :
```
cc1plus.exe: note: unrecognized command-line option '-Wno-used-but-marked-unused' may have been intended to silence earlier diagnostics
cc1plus.exe: note: unrecognized command-line option '-Wno-unused-template' may have been intended to silence earlier diagno... | Windows (MSYS2 + gcc) huge number of "unrecognized command-line option"warnings | https://api.github.com/repos/libjxl/libjxl/issues/719/comments | 3 | 2021-10-11T18:34:29Z | 2021-10-19T15:07:31Z | https://github.com/libjxl/libjxl/issues/719 | 1,023,004,249 | 719 |
[
"libjxl",
"libjxl"
] | With some (old) Visual Studio versions, %z is not supported (as well as on MSYS2 with the macro __USE_MINGW_ANSI_STDIO set to 0). This leads to huge number of warnings. It can be fixed with a macro, like:
```
#ifdef _WIN32
# define FMT_ZU "%Iu"
#else
# define FMT_ZU "%zu"
#endif
```
and replace "foo %zu bar... | Windows: %z is not recognized | https://api.github.com/repos/libjxl/libjxl/issues/718/comments | 8 | 2021-10-11T18:22:54Z | 2021-10-19T15:46:58Z | https://github.com/libjxl/libjxl/issues/718 | 1,022,995,517 | 718 |
[
"libjxl",
"libjxl"
] | hello
according to https://jpeg.org/jpegxl/, it is possible to have animated jpeg xl files. I would like to know :
* if this implementation supports animated jpep xl files
* if yes, are there some animated jpeg xl samples somewhere
thank ypu
| animated jpeg xl files | https://api.github.com/repos/libjxl/libjxl/issues/717/comments | 2 | 2021-10-11T15:55:10Z | 2021-10-13T09:04:08Z | https://github.com/libjxl/libjxl/issues/717 | 1,022,875,790 | 717 |
[
"libjxl",
"libjxl"
] | Hello
I am searching for samples of jpeg xl files. Does someone know where I can find some ?
thank you
| jpeg xl sample data base | https://api.github.com/repos/libjxl/libjxl/issues/716/comments | 4 | 2021-10-11T15:51:54Z | 2021-10-13T09:04:27Z | https://github.com/libjxl/libjxl/issues/716 | 1,022,872,931 | 716 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
the DLL is installed in $prefix/lib while it should be installed in $refix/bin.
**To Reproduce**
I compile with this script :
```
cmake \
-DCMAKE_TOOLCHAIN_FILE=cross_toolchain.txt \
-DCMAKE_INSTALL_PREFIX=/opt/jxl \
-DBUILD_SHARED_LIBS=ON \
-DJPEGXL_ENABLE_JNI:BOOL=FAL... | Windows (MSYS2+mingw-w64) DLL is not installed in correct directory | https://api.github.com/repos/libjxl/libjxl/issues/715/comments | 9 | 2021-10-10T18:35:51Z | 2021-10-19T15:11:02Z | https://github.com/libjxl/libjxl/issues/715 | 1,022,059,226 | 715 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
building with -DBUILD_SHARED_LIBS:BOOL=TRUE, the static lib is built. But in CMakeList.txt : "option(BUILD_SHARED_LIBS "Build shared libraries instead of static ones" ON)"
**To Reproduce**
I compile with this script :
```rm -rf builddir && mkdir builddir && cd builddir
cmake \
-DCMAKE_... | Windows (MSYS2+mingw-w64) -DBUILD_SHARED_LIBS:BOOL=TRUE does not disable static lib | https://api.github.com/repos/libjxl/libjxl/issues/714/comments | 4 | 2021-10-10T18:32:45Z | 2021-10-11T11:33:53Z | https://github.com/libjxl/libjxl/issues/714 | 1,022,058,481 | 714 |
[
"libjxl",
"libjxl"
] | afaict no special patches are needed for lcms in libjxl, so it should be ok to use the system version. right now i am using https://cgit.alxu.ca/gentoo-overlay.git/tree/media-libs/libjxl/files/system-lcms.patch, but I'm not sure if `target_link_libraries(lcms2 INTERFACE PkgConfig::LCMS)` works on cmake 3.10, also i thi... | Add LIBJXL_FORCE_SYSTEM_LCMS | https://api.github.com/repos/libjxl/libjxl/issues/712/comments | 7 | 2021-10-09T17:59:52Z | 2021-11-22T13:16:08Z | https://github.com/libjxl/libjxl/issues/712 | 1,021,768,462 | 712 |
[
"libjxl",
"libjxl"
] | As briefly discussed on Discord, Linux distros (and I assume other users too) will prefer to avoid bundled libraries. Even though it is only used in tools, people's crappy vulnerability scanners will probably pick it up. Also, even though you probably shouldn't pass untrusted input to cjxl, someone will probably do it ... | Support compilation without bundled lodepng | https://api.github.com/repos/libjxl/libjxl/issues/711/comments | 3 | 2021-10-09T17:59:36Z | 2022-03-18T13:01:21Z | https://github.com/libjxl/libjxl/issues/711 | 1,021,768,417 | 711 |
[
"libjxl",
"libjxl"
] | This is CICP (H.273) value of 12 - I suspect more content is mastered for this color space thanks to Apple's DisplayP3 screens and OS support than it is for actual DCI-P3... | Color encoding ambiguities (missing D65 based P3 JxlPrimaries) | https://api.github.com/repos/libjxl/libjxl/issues/709/comments | 8 | 2021-10-08T10:29:00Z | 2021-11-18T09:29:26Z | https://github.com/libjxl/libjxl/issues/709 | 1,020,944,723 | 709 |
[
"libjxl",
"libjxl"
] | Hello,
This crash occurs when a Qt application decode more JXL files at the same time via my [qt-jpegxl-image-plugin](https://github.com/novomesk/qt-jpegxl-image-plugin)
During the crash I see following message:
`/var/tmp/portage/media-libs/libjxl-9999/work/libjxl-9999/lib/jxl/image_ops.h:48: JXL_DASSERT: rect... | Crash during multiple concurrent/parallel decoding | https://api.github.com/repos/libjxl/libjxl/issues/708/comments | 9 | 2021-10-08T08:45:08Z | 2021-11-01T10:36:28Z | https://github.com/libjxl/libjxl/issues/708 | 1,020,849,009 | 708 |
[
"libjxl",
"libjxl"
] | [jxl_info.zip](https://github.com/libjxl/libjxl/files/7303233/jxl_info.zip) contains **bucuresti2.jxl** file.
It was encoded via following command:
`cjxl 10921852336_28ebe2249c_o.jpg bucuresti2.jxl -p --centerfirst -d 10 --num_threads=2 --strip -e 5`
When I use **jxlinfo**, I get some error:
```
jxlinfo buc... | error printed by jxlinfo | https://api.github.com/repos/libjxl/libjxl/issues/699/comments | 5 | 2021-10-07T12:26:05Z | 2021-10-14T15:56:36Z | https://github.com/libjxl/libjxl/issues/699 | 1,019,984,448 | 699 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
I am packaging libjxl for Alpine Linux. Some tests failing, but I am unsure of the cause.
**To Reproduce**
Build libjxl on Alpine Linux and run tests.
**Expected behavior**
Successful build and tests.
**Environment**
- OS: Alpine Linux
- Compiler version: gcc 10.3.1_git20210921-r1 (... | RobustStatisticsTest failing on Alpine aarch64, ppc64le, s390x | https://api.github.com/repos/libjxl/libjxl/issues/698/comments | 1 | 2021-10-07T06:39:24Z | 2021-10-08T18:15:42Z | https://github.com/libjxl/libjxl/issues/698 | 1,019,672,961 | 698 |
[
"libjxl",
"libjxl"
] | Using query.png (grayscale-16bits) - 250ko
cjxl query.png output.jxl -d 1.0
this command give 1ko very visually lossy result (approximately 1ko) | Wrong grayscale-16bits lossy encoding result | https://api.github.com/repos/libjxl/libjxl/issues/695/comments | 9 | 2021-10-06T14:00:10Z | 2021-11-19T17:07:26Z | https://github.com/libjxl/libjxl/issues/695 | 1,018,389,528 | 695 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
I'm trying to encode image with intensity_target set to 10000.0f but output image is always set to 255.0f
**To Reproduce**
int test2()
{
LOG_D("...");
int err = 0;
float bufferData[] = { 0.0f, 0.0f, 0.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f };
uint32_t bufferD... | Can't set intensity_target of encoded image | https://api.github.com/repos/libjxl/libjxl/issues/694/comments | 1 | 2021-10-06T13:48:46Z | 2021-10-18T16:13:38Z | https://github.com/libjxl/libjxl/issues/694 | 1,018,366,814 | 694 |
[
"libjxl",
"libjxl"
] | **Describe the bug**
The encoding/decoding process fails with ppm images with 10 bit-depth. While the encoding step seems fine, the decoder fails to decode with "Failed to write decoded image.".
**To Reproduce**
Steps to reproduce the behavior:
cjxl sideboard.ppm sideboard.jxl -d 0.0 --num_threads=8 -e 9
djxl si... | Problem encoding/decoding ppm images with but-depth larger that 8 and lower than 16. | https://api.github.com/repos/libjxl/libjxl/issues/692/comments | 1 | 2021-10-06T12:47:41Z | 2022-03-31T12:44:21Z | https://github.com/libjxl/libjxl/issues/692 | 1,018,255,091 | 692 |
[
"libjxl",
"libjxl"
] | I have a log of pictures with russian, japanese and chinese filenames.
Examples: 3d-art-красивые-картинки-art-пираты-6497178.jpeg or фото-Природа-озеро-горы-6946340.jpeg
When I rename them using the CMD shell:
ren фото-Природа-озеро-горы-6946340.jpeg 00000temp.jpeg
I can convert them and rename it back afterwards. ... | Windows cjxl.exe cannot handle Japenes/Chinese/Russian unicode filenames | https://api.github.com/repos/libjxl/libjxl/issues/683/comments | 50 | 2021-10-03T17:13:08Z | 2024-10-17T08:42:08Z | https://github.com/libjxl/libjxl/issues/683 | 1,014,464,149 | 683 |
[
"libjxl",
"libjxl"
] | Hello JXL developers!
Situation: The nice 48 bit full-size original tif(s) at: https://noirlab.edu/public/images/iotw2135a/
Target: .jxl it.
But I can't. .TIF input is not supported. But most space related sites use .TIF in 24 or 48 bit.
Current workaround: Using Affinity Photo to convert it to 48 bit .PNG, and... | Please include .TIF (24 bit and 48 bit) as possible input. | https://api.github.com/repos/libjxl/libjxl/issues/680/comments | 5 | 2021-10-02T12:34:44Z | 2021-11-19T08:42:26Z | https://github.com/libjxl/libjxl/issues/680 | 1,014,037,001 | 680 |
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