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[
"strukturag",
"libheif"
] | Hi,
I have a dual CPU Xeon E5530 based Dell workstation (aka 2 sockets, 8 cores, 16 logical processors) on Win10.
All sockets, cores, and logical processors are visible, and all 16 logical processors can be used for video encoding by apps such as Handbrake.
Running a HEIF-ENC test conversion of 500,000+ JPG image... | Heif-enc 1.12.0 not using all physical processors (sockets), cores, logical processors | https://api.github.com/repos/strukturag/libheif/issues/602/comments | 7 | 2022-02-18T12:43:52Z | 2022-02-20T15:56:52Z | https://github.com/strukturag/libheif/issues/602 | 1,142,992,583 | 602 |
[
"strukturag",
"libheif"
] | Hello,
I added a functionality to our non open source application to convert .heic to jpg using libheif. I later fell into the rabbit hole that is the HEVC patent topic and I'm having a very hard time finding information so I was hoping maybe you can shed some light. I only need the decoder (no encoder), as far as I u... | libde265 decode and patents | https://api.github.com/repos/strukturag/libheif/issues/601/comments | 4 | 2022-02-03T14:25:41Z | 2022-02-08T14:32:40Z | https://github.com/strukturag/libheif/issues/601 | 1,123,150,201 | 601 |
[
"strukturag",
"libheif"
] | I was trying out the demo website, but the tab keeps crashing with Out of memory error
file - https://drive.google.com/file/d/1qSGzuBe5vN6RW8FcfkKw1wzhI1YFywxh/view?usp=sharing
When I connect my device with remote debugging to my PC, chrome pauses before the crash and shows the stack trace (added below)
The ... | Out of memory crash | https://api.github.com/repos/strukturag/libheif/issues/597/comments | 0 | 2022-02-01T11:30:20Z | 2022-02-01T11:30:20Z | https://github.com/strukturag/libheif/issues/597 | 1,120,551,056 | 597 |
[
"strukturag",
"libheif"
] | AOM version 3.0.0 added a key=value API to configure the decoder and encoder parameters.
`aom_codec_err_t aom_codec_set_option(aom_codec_ctx_t *ctx, const char *name, const char* value);`
This would allow consumers to pass parameters to the encoder without needing to extend the libheif AOM wrapper to support each... | Add support for the AOM encoder key=value API | https://api.github.com/repos/strukturag/libheif/issues/596/comments | 0 | 2022-02-01T01:08:17Z | 2022-02-19T18:19:48Z | https://github.com/strukturag/libheif/issues/596 | 1,120,119,960 | 596 |
[
"strukturag",
"libheif"
] | I have a HEIC file that renders properly on MacOS and with libheif.so.1.11.0 but it stopped rendering when I updated aom, de265, x265, and heif.
It renders with libaom.3.0.0, libde265.so.0.1.1, libx265.so.200, and libheif.so.1.11.0.
It fails to render with libaom.3.2.0, libde265.so.0.1.1, libx265.so.201, and libhei... | Invalid input: No 'meta' box | https://api.github.com/repos/strukturag/libheif/issues/595/comments | 6 | 2022-01-27T23:44:53Z | 2022-08-30T21:08:18Z | https://github.com/strukturag/libheif/issues/595 | 1,116,850,426 | 595 |
[
"strukturag",
"libheif"
] | I've got a HEIC image that will not load using LibHeifSharp. However, if I bind to libheif directly, i can get it to work.
Looking into the source, it appears that LibHeifSharp bindings only use the heif_context_read_from_reader method to load the content. If i use heif_context_read_from_file or heif_context_read_... | heif_context_read_from_reader bug? | https://api.github.com/repos/strukturag/libheif/issues/593/comments | 4 | 2022-01-25T22:37:48Z | 2023-06-10T09:28:44Z | https://github.com/strukturag/libheif/issues/593 | 1,114,431,377 | 593 |
[
"strukturag",
"libheif"
] | I have searched but have not found anything. Concrete I am searching for an example to print just all metadata of a file on the console.
The problem I have seen is that in the header file all API request is needing a metadata ID. But I have nothing found to get that ID.
How can I access e.g. the exif data ?
Th... | Example for metadata in C | https://api.github.com/repos/strukturag/libheif/issues/592/comments | 4 | 2022-01-24T12:04:24Z | 2022-01-30T09:30:40Z | https://github.com/strukturag/libheif/issues/592 | 1,112,557,518 | 592 |
[
"strukturag",
"libheif"
] | I keep hearing conflicting information about the patents involved with x265 HEVC encoding and I'm trying to get a straight answer.
On VideoLAN's [website](https://www.videolan.org/developers/x265.html), they state that:
> x265 is a free software library and application for encoding video streams into the H.265/MPEG... | libheif / libx265 encoder GPL license and patents? | https://api.github.com/repos/strukturag/libheif/issues/591/comments | 3 | 2022-01-24T04:45:42Z | 2022-01-24T21:22:37Z | https://github.com/strukturag/libheif/issues/591 | 1,112,166,648 | 591 |
[
"strukturag",
"libheif"
] | Hello libheif team,
I have found an issue in libheif that severely impacts the availability and potentially the integrity (depending on context) of software systems that utilize the library. As the issue triggers a stack overflow on some systems, code execution could be possible.
Issue has been tested with the "h... | Stack Overflow in libheif | https://api.github.com/repos/strukturag/libheif/issues/590/comments | 0 | 2022-01-23T15:18:36Z | 2023-04-14T18:20:05Z | https://github.com/strukturag/libheif/issues/590 | 1,111,899,530 | 590 |
[
"strukturag",
"libheif"
] | I just want to let you know that I have now release the first version of our lib for JavaFX under https://github.com/lanthale/libheiffx
If you don't mind to list this as an addition to the other language bindinds already existing.
But for now I had to extend the C API with two method calls because one C feature ... | Javafx language binding - inital release | https://api.github.com/repos/strukturag/libheif/issues/589/comments | 0 | 2022-01-21T21:03:35Z | 2022-01-21T21:03:35Z | https://github.com/strukturag/libheif/issues/589 | 1,110,940,032 | 589 |
[
"strukturag",
"libheif"
] | Hi,
Have anyone imported libhevc into libheif? I try to add libhevc plugin, but can't decode success.
And I write the hevc data which libheif extracted from .heic file to local file. Both libde265 and libhevc can't decode it.
Using nokia/heif extract hevc data from .heic can be decoded success. The difference betw... | Import libhevc | https://api.github.com/repos/strukturag/libheif/issues/588/comments | 0 | 2022-01-21T02:16:34Z | 2022-01-21T02:16:34Z | https://github.com/strukturag/libheif/issues/588 | 1,109,974,991 | 588 |
[
"strukturag",
"libheif"
] | As a follow up to #586 (smooth chroma upsampling), a second (bigger) step would be to add support for "sharp yuv", a slower rgb->yuv420 conversion technique that minimizes arifacts caused by chroma subsampling. The algorithm assumes that the image is decoded with bilinear upsampling.
It was first implemented in webp... | Add support for sharp yuv | https://api.github.com/repos/strukturag/libheif/issues/587/comments | 4 | 2022-01-19T15:28:08Z | 2023-05-31T15:14:36Z | https://github.com/strukturag/libheif/issues/587 | 1,108,239,872 | 587 |
[
"strukturag",
"libheif"
] | Libheif currently only supports nearest neighbor chroma upsampling, which often leads to extra artifacts when decoding YUV420 images.
Most codecs support a bilinear chroma upsampling with weights 9:3:3:1
E.g. if you have the following Luma and Chroma samples (with centered chroma samples, as per issue #521):
L... | Add support for smooth chroma upsampling | https://api.github.com/repos/strukturag/libheif/issues/586/comments | 2 | 2022-01-18T12:53:04Z | 2022-01-20T13:20:53Z | https://github.com/strukturag/libheif/issues/586 | 1,106,874,811 | 586 |
[
"strukturag",
"libheif"
] | I am working to create a language binding for Javafx. The problem I am facing is that the important structs heif_image_handle und heif_image are not in C form. That means I cannot access it.
It would be helpful if there is a C method to return a struct of that type. Because than I can reserve Memory with exactly that... | libheif javafx language binding - structs request | https://api.github.com/repos/strukturag/libheif/issues/585/comments | 1 | 2022-01-16T10:45:18Z | 2022-01-16T19:14:34Z | https://github.com/strukturag/libheif/issues/585 | 1,105,017,169 | 585 |
[
"strukturag",
"libheif"
] | I converted some HEIF to jpg but it seems using gwenview that there is something wrong with orientation. :-( | heif-convert: orientation wront / does not rotate the pictures? | https://api.github.com/repos/strukturag/libheif/issues/584/comments | 5 | 2022-01-03T20:49:54Z | 2022-10-24T20:10:33Z | https://github.com/strukturag/libheif/issues/584 | 1,092,809,142 | 584 |
[
"strukturag",
"libheif"
] | since libheif is LGPL, would it be nice to use non-GPL heic encoder? effectively combining x265 and libheif make it GPL
alternative:
[kvazaar](https://github.com/ultravideo/kvazaar): BSD
[svt-hevc](https://github.com/OpenVisualCloud/SVT-HEVC) : BSD but have patent clause
what's the obstacle supporting one of thos... | alternative h265 encoder? | https://api.github.com/repos/strukturag/libheif/issues/582/comments | 4 | 2022-01-03T01:50:48Z | 2023-05-30T10:56:03Z | https://github.com/strukturag/libheif/issues/582 | 1,092,167,315 | 582 |
[
"strukturag",
"libheif"
] | I'm encountering the issue where libheif.js is catching unrelated exceptions / rejections as related to this issue https://github.com/emscripten-core/emscripten/issues/7855
it makes debugging applications using libheif very difficult. Can a work around to this issue be added similar to: https://github.com/OpenSLX/pi... | libheif catching unrelated exceptions | https://api.github.com/repos/strukturag/libheif/issues/581/comments | 0 | 2021-12-30T19:12:18Z | 2021-12-30T19:12:18Z | https://github.com/strukturag/libheif/issues/581 | 1,091,265,020 | 581 |
[
"strukturag",
"libheif"
] | Hello,
`fox.profile2.12bpc.yuv444.monochrome.odd-width.odd-height.avif` testfile
[source.zip](https://github.com/strukturag/libheif/files/7740656/source.zip)
gets decoded differently via libheif compared to the output of libavif.
`heif-convert fox.profile2.12bpc.yuv444.monochrome.odd-width.odd-height.avif libhe... | gray-scale AVIF with limited range gets decoded differently via libheif vs libavif | https://api.github.com/repos/strukturag/libheif/issues/580/comments | 0 | 2021-12-19T10:54:16Z | 2021-12-19T10:54:16Z | https://github.com/strukturag/libheif/issues/580 | 1,084,069,355 | 580 |
[
"strukturag",
"libheif"
] | [Uploading IMG_2138.zip…]()
PFA | heif-convert to jpeg failed for some HEIC-files | https://api.github.com/repos/strukturag/libheif/issues/577/comments | 1 | 2021-12-14T11:08:28Z | 2023-05-29T10:48:14Z | https://github.com/strukturag/libheif/issues/577 | 1,079,621,370 | 577 |
[
"strukturag",
"libheif"
] | Ubuntu 16.04
Compiled with libjpeg8-dev, libjpeg9-dev, libjpeg-turbo8-dev, not luck...
heif-convert -q \<any\> source.HEIC target.jpg
Bogus marker length
Could not write image
Example image: (https://kalendari.fastprint.ua/o_1fmnncgr8j0q1kt6uad1qjf1vkdsa.HEIC)
demo.html (libheif.js) works OK for that file | heif-convert to jpeg failed for some HEIC-files => "Bogus marker length" error | https://api.github.com/repos/strukturag/libheif/issues/575/comments | 5 | 2021-12-12T20:41:48Z | 2024-01-07T18:17:02Z | https://github.com/strukturag/libheif/issues/575 | 1,077,903,373 | 575 |
[
"strukturag",
"libheif"
] | One more wish: a program heifhead which works similar to jhead. I use jhead to code date in time in the filename like
jhead -ft -n%Y%m%d_%H%M%S
and want to do the same thing with HEIC-files.
Thanks | heifhead as a pendant to jhead | https://api.github.com/repos/strukturag/libheif/issues/573/comments | 1 | 2021-12-05T16:17:09Z | 2022-08-06T13:39:56Z | https://github.com/strukturag/libheif/issues/573 | 1,071,497,947 | 573 |
[
"strukturag",
"libheif"
] | Is it possible that heif-tumbnailer takes the extension of destination and produces an appropriate file type?
And if the type is jpg, jpeg etc. please add the EXIF-Headers like in heif-convert.
Thanks in advance. | Make heif-thumbnailer to respect the extension of the destination | https://api.github.com/repos/strukturag/libheif/issues/572/comments | 0 | 2021-12-05T15:58:38Z | 2021-12-05T15:58:38Z | https://github.com/strukturag/libheif/issues/572 | 1,071,493,565 | 572 |
[
"strukturag",
"libheif"
] | Thanks for the tool.
heif-enc and heif-info give information abount themselve. Please add this feature to heif-convert und heif-thumbnailer. | Please add -v to heif-convert and heif-thumbnailer | https://api.github.com/repos/strukturag/libheif/issues/571/comments | 0 | 2021-12-05T15:55:21Z | 2023-06-02T10:01:38Z | https://github.com/strukturag/libheif/issues/571 | 1,071,492,827 | 571 |
[
"strukturag",
"libheif"
] | i can not get NCLX by heif_image_handle_get_nclx_color_profile
my code:
heif_color_profile_nclx *heif_nclx = heif_nclx_color_profile_alloc();
heif_error err = heif_image_handle_get_nclx_color_profile(handle, &heif_nclx);
//err is heif_error_Color_profil... | how to get NCLX profile from heif taked by iphone 12 | https://api.github.com/repos/strukturag/libheif/issues/566/comments | 9 | 2021-11-17T09:40:48Z | 2022-05-03T15:30:12Z | https://github.com/strukturag/libheif/issues/566 | 1,055,911,682 | 566 |
[
"strukturag",
"libheif"
] | [IMG_20211106_180819.zip](https://github.com/strukturag/libheif/files/7517710/IMG_20211106_180819.zip)
台式机ubuntu系统，HEIC转JPG需要7秒钟 | 如何提高HEIC转JPG速度？ | https://api.github.com/repos/strukturag/libheif/issues/564/comments | 2 | 2021-11-11T04:19:03Z | 2022-06-16T02:11:42Z | https://github.com/strukturag/libheif/issues/564 | 1,050,556,423 | 564 |
[
"strukturag",
"libheif"
] | Hello,
I try to compile libheif for armeabi-v7a using CMake on Ubuntu, I have this message error :
```
Linking CXX shared library libheif.so
ld: error: undefined symbol: __assert_fail >>> referenced by de265.cc >>> de265.cc.o:(de265_set_parameter_bool) in archive /home/user/libheif/libde265-mast... | CMake Android NDK error armeabi-v7a "undefined symbol" | https://api.github.com/repos/strukturag/libheif/issues/563/comments | 0 | 2021-11-09T12:50:42Z | 2021-12-22T00:06:56Z | https://github.com/strukturag/libheif/issues/563 | 1,048,569,966 | 563 |
[
"strukturag",
"libheif"
] | Hello,
Apologies if this is not the right place to ask questions but I couldn't find a forum or a Discussions tab.
I am trying to encode 10 bit grayscale images losslessly in heic. The images are stored as 16 bit png files (but only use the lest significant 10 bits).
If I simply use
```bash
heif-enc -b 10 -L... | Lossless encoding/decoding of 10bit grayscale image stored as 16 bit pngs | https://api.github.com/repos/strukturag/libheif/issues/562/comments | 5 | 2021-11-08T10:14:56Z | 2023-07-20T18:04:34Z | https://github.com/strukturag/libheif/issues/562 | 1,047,260,687 | 562 |
[
"strukturag",
"libheif"
] | Hello,
how to handle errors in libheif ?
```
heif_context* ctx = heif_context_alloc();
heif_context_read_from_file(ctx, input_filename, nullptr);
// get a handle to the primary image
heif_image_handle* handle;
heif_context_get_primary_image_handle(ctx, &handle);
// decode the image and convert colorspa... | how to handle errors in libheif | https://api.github.com/repos/strukturag/libheif/issues/561/comments | 0 | 2021-11-05T08:04:46Z | 2021-11-05T19:50:48Z | https://github.com/strukturag/libheif/issues/561 | 1,045,544,260 | 561 |
[
"strukturag",
"libheif"
] | Hello,
using `heif_context_write_to_file(ctx, ofile.toStringz);` a heic file is created,
is-it possible to get a byte array instead of create a file ?
Thanks | heif_context_write_to memory | https://api.github.com/repos/strukturag/libheif/issues/560/comments | 2 | 2021-11-04T12:49:29Z | 2021-11-04T19:56:44Z | https://github.com/strukturag/libheif/issues/560 | 1,044,728,525 | 560 |
[
"strukturag",
"libheif"
] | Hello,
how to convert a heic image to RGBA 8 bit byte array ?
```
heif_context* ctx = heif_context_alloc();
heif_context_read_from_file(ctx, input_filename, nullptr);
// get a handle to the primary image
heif_image_handle* handle;
heif_context_get_primary_image_handle(ctx, &handle);
// decode the image ... | how to convert a heic image to RGBA 8 bit | https://api.github.com/repos/strukturag/libheif/issues/559/comments | 1 | 2021-11-03T06:57:17Z | 2021-11-04T12:47:48Z | https://github.com/strukturag/libheif/issues/559 | 1,043,142,520 | 559 |
[
"strukturag",
"libheif"
] | Hello,
I am experiencing crashes when Windows GIMP tries to export AVIF images with transparency. It can be reproduced using `heif-enc.exe` under MSYS2 on Windows but for some reason it is not occurring on my Linux.
More information in the following issues:
https://github.com/msys2/MINGW-packages/issues/9869
... | Crash when encoding AVIF using rav1e | https://api.github.com/repos/strukturag/libheif/issues/554/comments | 13 | 2021-10-26T13:57:25Z | 2022-08-31T12:58:02Z | https://github.com/strukturag/libheif/issues/554 | 1,036,335,779 | 554 |
[
"strukturag",
"libheif"
] | Error HeifContext::decode_image_user(heif_item_id ID,
std::shared_ptr<HeifPixelImage>& img,
heif_colorspace out_colorspace,
heif_chroma out_chroma,
const struct heif_de... | v1.10.0 is wrong about hdr? | https://api.github.com/repos/strukturag/libheif/issues/553/comments | 3 | 2021-10-21T07:42:44Z | 2021-10-25T06:37:41Z | https://github.com/strukturag/libheif/issues/553 | 1,032,165,089 | 553 |
[
"strukturag",
"libheif"
] | Is there any way to speed up decodin. e.g.:heif_decode_image
[2021-10-20 112837.zip](https://github.com/strukturag/libheif/files/7379995/2021-10-20.112837.zip)
g
| it takes 4 seconds for 4K image HEIC to decodie | https://api.github.com/repos/strukturag/libheif/issues/552/comments | 10 | 2021-10-20T09:34:48Z | 2024-07-04T16:39:45Z | https://github.com/strukturag/libheif/issues/552 | 1,031,191,377 | 552 |
[
"strukturag",
"libheif"
] | Now only png is supported, I the input is a tiff file, it will raise `Not a JPEG file: starts with 0x49 0x49`, can I use a tiff file as an input and convert it to heif? | Is there a way to convert from tiff? | https://api.github.com/repos/strukturag/libheif/issues/549/comments | 3 | 2021-10-01T14:47:58Z | 2021-10-11T10:30:38Z | https://github.com/strukturag/libheif/issues/549 | 1,013,438,079 | 549 |
[
"strukturag",
"libheif"
] | The title says it all. If `ignore_transformations` is `false` (the default), transformations are applied to the image, but not to the thumbnail. This leaves us with incorrect thumbnails.
The issue is observable with literally any iPhone image that is of vertical orientation and has a thumb.
It is worth nothing,... | ignore_transformations must affect the thumbnail | https://api.github.com/repos/strukturag/libheif/issues/548/comments | 0 | 2021-09-24T09:45:08Z | 2021-09-24T10:54:12Z | https://github.com/strukturag/libheif/issues/548 | 1,006,281,540 | 548 |
[
"strukturag",
"libheif"
] | Hello, First of all thank you so much for this awesome library
So, I have tried the demo live at https://strukturag.github.io/libheif,
I wanted to know if it is by design that the converted file does not have EXIF data
Test FIle - https://drive.google.com/file/d/1c4IDtTjdK_FAl-tDbuNVOTWjGOLyUGnU/view?usp=shari... | Exif data lost during conversion | https://api.github.com/repos/strukturag/libheif/issues/547/comments | 9 | 2021-09-12T07:30:44Z | 2023-05-16T08:55:08Z | https://github.com/strukturag/libheif/issues/547 | 994,076,493 | 547 |
[
"strukturag",
"libheif"
] | Hey Team,
I am playing with the javascript version.
Using the library from here:
https://strukturag.github.io/libheif/libheif.js
When I am trying to convert 1.6MB heic image ( taken from iPhone 11 ) into jpeg, it's taking a minimum of 6 secs ( on my iMac ). This is a little too slow for just 1 image.
Looki... | libeheif.js very slow | https://api.github.com/repos/strukturag/libheif/issues/545/comments | 0 | 2021-09-02T17:07:30Z | 2021-09-02T17:07:30Z | https://github.com/strukturag/libheif/issues/545 | 986,972,140 | 545 |
[
"strukturag",
"libheif"
] | Hello,
i have started to use heif-enc and encountered some Problems.
`C:\Heic\heif-enc.exe -q 60 $_.FullName`
viewing the picture with irfanview or Windows Fotos red color is different compared to the original JPG.
With GIMP it looks like the original.
I am also not able to open the picture with SaalDigita... | Red color is different with Windows Foto and output can not opened with SaalDigital design software | https://api.github.com/repos/strukturag/libheif/issues/544/comments | 1 | 2021-08-29T09:46:11Z | 2021-08-30T10:44:38Z | https://github.com/strukturag/libheif/issues/544 | 982,050,846 | 544 |
[
"strukturag",
"libheif"
] | Hello, I am experiencing Segmentation fault when decoding these images:
[heic-segfault.zip](https://github.com/strukturag/libheif/files/7067868/heic-segfault.zip)
**Steps to reproduce**
Run the suggested in the Readme.md example code, to read an image, with any of the files from the zip.
**Environment**
... | SIGSEGV upon decoding some images with libde265 | https://api.github.com/repos/strukturag/libheif/issues/543/comments | 0 | 2021-08-27T15:16:32Z | 2021-08-29T15:26:30Z | https://github.com/strukturag/libheif/issues/543 | 981,350,087 | 543 |
[
"strukturag",
"libheif"
] | Because in two places it is not possible to build by 5-10% smaller code.
It would be good to libheif would not be using exceptiions
```console
[tkloczko@barrel libheif-1.12.0]$ make -k
make all-recursive
make[1]: Entering directory '/home/tkloczko/rpmbuild/BUILD/libheif-1.12.0'
Making all in libheif
make[2]: En... | 1.12.0: code uses exceptions | https://api.github.com/repos/strukturag/libheif/issues/542/comments | 0 | 2021-08-22T16:13:12Z | 2021-08-22T16:13:12Z | https://github.com/strukturag/libheif/issues/542 | 976,412,713 | 542 |
[
"strukturag",
"libheif"
] | `MINSIGSTKSZ` is no longer define.
```console
make[2]: Entering directory '/home/tkloczko/rpmbuild/BUILD/libheif-1.12.0/tests'
/usr/bin/g++ -DHAVE_CONFIG_H -I. -I.. -I.. -I../. -O2 -g -grecord-gcc-switches -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/re... | 1.12.0: build fails with latest glibc | https://api.github.com/repos/strukturag/libheif/issues/541/comments | 16 | 2021-08-22T16:03:35Z | 2023-12-10T01:13:55Z | https://github.com/strukturag/libheif/issues/541 | 976,410,605 | 541 |
[
"strukturag",
"libheif"
] | My first attempt at using libheif from Java got this error:
```
9 ??? 000000000000000000 0 + 0
10 libheif.1.dylib 0x000000015db5b1de heif::HeifFile::get_item_type(unsigned int) const + 26
11 libheif.1.dylib 0x000000015db6f9fc heif::HeifContext::decode_i... | null pointer in HeifFile::get_item_type | https://api.github.com/repos/strukturag/libheif/issues/540/comments | 10 | 2021-08-20T13:57:28Z | 2023-06-05T05:22:50Z | https://github.com/strukturag/libheif/issues/540 | 975,635,752 | 540 |
[
"strukturag",
"libheif"
] | ```
In file included from /usr/x86_64-pc-linux-gnu/include/signal.h:328,
from catch.hpp:7644,
from main.cc:28:
catch.hpp:10376:58: error: call to non-'constexpr' function 'long int sysconf(int)'
10376 | constexpr static std::size_t sigStackSize = 32768 >= MINSIGSTKSZ ? 32768 :... | libheif-1.12.0 fails to build tests on systems with glibc 2.34 | https://api.github.com/repos/strukturag/libheif/issues/539/comments | 0 | 2021-08-18T19:54:45Z | 2022-09-02T19:08:33Z | https://github.com/strukturag/libheif/issues/539 | 974,007,020 | 539 |
[
"strukturag",
"libheif"
] | Firstly, I build the libde265.
If I build using cmake, I get a liblibde265.so in /usr/local/lib/.
If I build using ./autogen.sh && ./configure && sudo make && sudo make install, I get a libde265.so.0.1.1.
Is that correct above ?
Then, I build the libheif.
I run ./autogen.sh && ./configure && sudo make && sudo mak... | undefined symbol de265_get_image_full_range_flag when heif-convert running on Linux | https://api.github.com/repos/strukturag/libheif/issues/538/comments | 4 | 2021-08-18T15:46:19Z | 2021-08-23T08:32:04Z | https://github.com/strukturag/libheif/issues/538 | 973,819,371 | 538 |
[
"strukturag",
"libheif"
] | Hi,
Is a simple inter frame encoding supported? ie IPPPPP.
I can do a main profile encode with all I frames, or mainstillpicture, but any reference frames seems to not work.
Any ideas?
Thanks | main profile image sequence | https://api.github.com/repos/strukturag/libheif/issues/537/comments | 7 | 2021-08-17T17:03:16Z | 2021-08-17T19:36:09Z | https://github.com/strukturag/libheif/issues/537 | 972,893,787 | 537 |
[
"strukturag",
"libheif"
] | Example code, relatively classic usage:
https://github.com/libgd/libgd/blob/master/src/gd_heif.c#L113
I can only reproduce using one of our tests (other do not have this leak):
https://github.com/libgd/libgd/blob/master/tests/heif/heif_im2im.c#L36
which reads using heif_context_read_from_memory_without_copy... | Possible leak in x265 while decoding | https://api.github.com/repos/strukturag/libheif/issues/535/comments | 3 | 2021-08-13T07:35:08Z | 2023-12-22T06:12:47Z | https://github.com/strukturag/libheif/issues/535 | 970,142,045 | 535 |
[
"strukturag",
"libheif"
] | Is it possible to use libheif to write pre-encoded HEVC imagery? I'm having trouble determining from the API if it's possible or not, and if so how.
Thanks | Pre-encoded HEVC | https://api.github.com/repos/strukturag/libheif/issues/534/comments | 2 | 2021-07-30T17:12:57Z | 2023-03-01T01:57:29Z | https://github.com/strukturag/libheif/issues/534 | 956,930,521 | 534 |
[
"strukturag",
"libheif"
] | When encoding heif then comparing it to the source it appears that it is not true lossless, despite using `-p chroma=444 --matrix_coefficients=0 `:
```
heif-enc -L -p chroma=444 --matrix_coefficients=0 -o 2011-03-05_03-13_Madeira_159_Funchal,_Mercado_dos_Lavradores.heif 2011-03-05_03-13_Madeira_159_Funchal,_Mercad... | Lossless is not lossless | https://api.github.com/repos/strukturag/libheif/issues/532/comments | 2 | 2021-07-20T16:07:34Z | 2021-07-21T12:29:21Z | https://github.com/strukturag/libheif/issues/532 | 948,819,803 | 532 |
[
"strukturag",
"libheif"
] | libheif version: 1.10.0
==25882== 11,296 bytes in 1 blocks are still reachable in loss record 7 of 7
==25882== at 0x4C30FB5: malloc (vg_replace_malloc.c:380)
==25882== by 0x53B7637: alloc_and_init_significant_coeff_ctxIdx_lookupTable() (in /home/ADC/80301694/Work/2021-06-24-Base/TBLMultiMediaCloud/tbl_image/... | memory leak in de265_init() | https://api.github.com/repos/strukturag/libheif/issues/531/comments | 2 | 2021-07-20T02:39:27Z | 2024-01-17T13:36:14Z | https://github.com/strukturag/libheif/issues/531 | 948,193,927 | 531 |
[
"strukturag",
"libheif"
] | Hi, thanks for sharing this awesome lib.
I have some problems when I test to read from iPhone's .HEIC file and want to rewrite to .heic.
First I try to use your simple encoding API but not work, after that I use the code from example/heif_enc.cc
but still have this problem.
Here is my code
```
int main(int a... | Read .HEIC from iPhone and rewrite to .heic got 0 width and height and Image has Black boarder | https://api.github.com/repos/strukturag/libheif/issues/530/comments | 1 | 2021-07-19T01:52:09Z | 2021-07-19T01:56:27Z | https://github.com/strukturag/libheif/issues/530 | 947,182,279 | 530 |
[
"strukturag",
"libheif"
] | HDR images show incorrectly on the online JavaScript decoder.
Looks like a 16bit output pixel is shown as two 8bit pixels.
Should be easy to fix by explicitly requesting the decoder to output 8bit images.
| Support displaying HDR image in web decoder | https://api.github.com/repos/strukturag/libheif/issues/528/comments | 2 | 2021-07-06T07:53:48Z | 2023-02-15T09:40:33Z | https://github.com/strukturag/libheif/issues/528 | 937,619,078 | 528 |
[
"strukturag",
"libheif"
] | There is very less documentation available for the go package. It might be sufficient for seasoned programmers but for someone new like me it's difficult to navigate.
I am trying to encode multiple images but couldn't find a way to do that. In the readme of the repository, it's written that you can encode multiple ima... | How to encode multiple images using go package | https://api.github.com/repos/strukturag/libheif/issues/527/comments | 4 | 2021-07-02T12:00:28Z | 2021-07-05T14:21:40Z | https://github.com/strukturag/libheif/issues/527 | 935,703,555 | 527 |
[
"strukturag",
"libheif"
] | I just installed libaom as per explained here https://aomedia.googlesource.com/aom/
But then libheif compiling is failing with following error :
```
/usr/bin/ld: /usr/local/lib/libaom.a(tx_search.c.o): relocation R_X86_64_PC32 against symbol `aom_sum_squares_2d_i16' can not be used when making a shared object; re... | Cannot compile with latest version of libaom | https://api.github.com/repos/strukturag/libheif/issues/526/comments | 1 | 2021-06-28T23:02:45Z | 2021-06-29T11:04:22Z | https://github.com/strukturag/libheif/issues/526 | 932,058,660 | 526 |
[
"strukturag",
"libheif"
] | I couldn't find any helpful documentation on running a go package of libheif.
I have installed `1.12.0` go package and when running the code, getting the error
```
# pkg-config --cflags -- libheif
Package libheif was not found in the pkg-config search path.
Perhaps you should add the directory containing `libheif... | How to run the golang code | https://api.github.com/repos/strukturag/libheif/issues/525/comments | 2 | 2021-06-20T12:59:06Z | 2021-07-02T11:57:31Z | https://github.com/strukturag/libheif/issues/525 | 925,594,464 | 525 |
[
"strukturag",
"libheif"
] | With the images from iPhone, image height is 1713, but u and v planes are only 856 high, so the last scan line is out of the u/v planes, so if we compute like
size_t offset_u = (cinfo.next_scanline / 2) * stride_u;
const uint8_t* start_u = &row_u[offset_u];
we reading data are out of limits. That's explains why ... | crash when converting a heic image when height is odd | https://api.github.com/repos/strukturag/libheif/issues/524/comments | 6 | 2021-06-16T18:25:17Z | 2021-07-12T17:49:43Z | https://github.com/strukturag/libheif/issues/524 | 922,949,232 | 524 |
[
"strukturag",
"libheif"
] | ````
heif-test.go:39:2: no required module provides package
github.com/strukturag/libheif/go/heif: go.mod file not found in
current directory or any parent directory; see 'go help modules'
````
This might be due to a new requirement of go1.16:
https://stackoverflow.com/questions/66894200/go-go-mod-file-not-foun... | compilation with autoconf script fails with 'go' error | https://api.github.com/repos/strukturag/libheif/issues/523/comments | 2 | 2021-06-15T18:57:13Z | 2021-11-18T21:02:14Z | https://github.com/strukturag/libheif/issues/523 | 921,703,585 | 523 |
[
"strukturag",
"libheif"
] | The RGB-to-YCbCr conversion code in libheif/heif_colorconversion.cc performs chroma subsampling by discarding samples only, without first lowpass filtering (taking a weighted average of) the samples. A representative example is the second nested for loop in
`Op_RGB24_32_to_YCbCr::convert_colorspace()`:
```
std::s... | Chroma subsampling does not lowpass filter (take average) before discarding samples | https://api.github.com/repos/strukturag/libheif/issues/521/comments | 10 | 2021-06-14T19:08:30Z | 2022-08-15T02:52:05Z | https://github.com/strukturag/libheif/issues/521 | 920,696,850 | 521 |
[
"strukturag",
"libheif"
] | Hello,
I tried converting some of my own HEIF files taken by my Galaxy S21+ on the online demo. However, the decoded files are luma clipped (I didn't measure, but it could be 16-235). `heif-convert` however, does decode the same files correctly. Had to zip attachments because .heic is not supported.
[20210516_19370... | libheif.js decodes HEIF files incorrectly | https://api.github.com/repos/strukturag/libheif/issues/520/comments | 1 | 2021-06-10T19:54:18Z | 2021-06-18T13:07:50Z | https://github.com/strukturag/libheif/issues/520 | 917,824,833 | 520 |
[
"strukturag",
"libheif"
] | Hi,
Do you think it is in the scope of libheif the support for VVC/H.266 still image format? There is already a pretty decent free software implementation of VVC here:
https://github.com/fraunhoferhhi/vvenc
https://github.com/fraunhoferhhi/vvdec/ | VVC/H.266 support | https://api.github.com/repos/strukturag/libheif/issues/519/comments | 45 | 2021-06-09T05:58:47Z | 2024-07-22T18:07:23Z | https://github.com/strukturag/libheif/issues/519 | 915,810,417 | 519 |
[
"strukturag",
"libheif"
] | After this alpine linux upgrade which upgrade libheif from 1.11 to 1.12 and go from 1.16.4 to 1.16.5, the github.com/h2non/bimg package cannot no longer compile due to LD/linking error?
```
bash-5.1# apk upgrade
(1/7) Upgrading libcurl (7.76.1-r0 -> 7.77.0-r0)
(2/7) Upgrading go (1.16.4-r0 -> 1.16.5-r0)
(3/7) Up... | Alpine Linux ld link error when using libheif 1.12 | https://api.github.com/repos/strukturag/libheif/issues/518/comments | 5 | 2021-06-07T09:07:53Z | 2023-06-09T11:29:56Z | https://github.com/strukturag/libheif/issues/518 | 913,320,204 | 518 |
[
"strukturag",
"libheif"
] | When calling `heif_decode_image` with `heif_chroma_interleaved_RRGGBB_LE` or similar, there is no decoding option for output bit depth. This means that when `HeifContext::decode_image_user` calls `heif::convert_colorspace`, it will pass in a bpp of 0 which is then set to 10 by the interleaved check in that function. Th... | Cannot decode into >10 bit depth interleaved | https://api.github.com/repos/strukturag/libheif/issues/517/comments | 1 | 2021-06-03T17:30:38Z | 2023-12-31T21:35:14Z | https://github.com/strukturag/libheif/issues/517 | 910,710,012 | 517 |
[
"strukturag",
"libheif"
] | It seems that `heif_check_filetype` returns `heif_filetype_maybe` when the header is too small? Is this correct?
Shouldn't this code
```
heif_filetype_result heif_check_filetype(const uint8_t* data, int len)
{
if (len < 8) {
return heif_filetype_maybe;
}
if (data[4] != 'f' ||
data[5] !... | heif_check_filetype returns heif_filetype_maybe incorrectly? | https://api.github.com/repos/strukturag/libheif/issues/516/comments | 4 | 2021-06-02T12:42:45Z | 2022-09-10T12:37:50Z | https://github.com/strukturag/libheif/issues/516 | 909,460,280 | 516 |
[
"strukturag",
"libheif"
] | Forwarding downstream Gentoo Linux bug (https://bugs.gentoo.org/790593) as I haven't been able to reproduce on amd64. Please mention if you need any additional logs/information, help is appreciated. Thanks
```
----
/bin/sh ../libtool --tag=CXX --mode=link powerpc64-unknown-linux-gnu-g++ -I/var/tmp/portage/media... | libheif-1.11.0 fails (go) tests on ppc64 | https://api.github.com/repos/strukturag/libheif/issues/515/comments | 0 | 2021-05-28T13:18:00Z | 2021-05-28T13:18:20Z | https://github.com/strukturag/libheif/issues/515 | 905,392,786 | 515 |
[
"strukturag",
"libheif"
] | I try to set the profile of x265 in libheif to main. (The default is mainstillpicture/msp)
But doing so causes the generated image to be wrong and unreadable. (can't preview)
| libheif examples heif-enc with x265 encoder | https://api.github.com/repos/strukturag/libheif/issues/514/comments | 5 | 2021-05-26T03:14:30Z | 2021-05-27T09:54:56Z | https://github.com/strukturag/libheif/issues/514 | 901,684,913 | 514 |
[
"strukturag",
"libheif"
] | I'm experimenting with static linking and vcpkg, and I get a lot of undefined linker errors when linking the libraries into my final DLL; it seems `libheif` is trying to reference `libde265` dynamically even when building statically, like:
```
Creating library Release\eXpress.Imaging.Heif.Native.lib and object Rele... | Static linking on Windows/MSVC/vcpkg? | https://api.github.com/repos/strukturag/libheif/issues/513/comments | 0 | 2021-05-18T12:03:55Z | 2021-05-18T18:52:37Z | https://github.com/strukturag/libheif/issues/513 | 894,304,582 | 513 |
[
"strukturag",
"libheif"
] | Sometimes while performing the heif command on linux , i get this error
Although the same command runs successfully most of times. can you please help
` Command failed: heif-convert -q 100 101493.heic 274790.jpg
Could not read HEIF/AVIF file: Invalid input: Unexpected end of file: Extent in iloc box references dat... | Command failed issue in some scenarios | https://api.github.com/repos/strukturag/libheif/issues/512/comments | 2 | 2021-05-17T13:56:01Z | 2021-05-18T06:03:27Z | https://github.com/strukturag/libheif/issues/512 | 893,359,744 | 512 |
[
"strukturag",
"libheif"
] | This would allow callers to use lossy compression for the image data, and lossless compression for the alpha channel.
[libavif](https://github.com/AOMediaCodec/libavif) already supports this feature, it defaults to using lossless compression for the alpha channel. | Allow separate quality settings for the alpha channel image | https://api.github.com/repos/strukturag/libheif/issues/510/comments | 0 | 2021-05-15T19:15:00Z | 2021-05-15T19:15:00Z | https://github.com/strukturag/libheif/issues/510 | 892,518,319 | 510 |
[
"strukturag",
"libheif"
] | Thanks for the good work of creating a gdk-pixbuf module. When looking at multiple images after each other using eog, the program start accumulating more and more memory with each image seen (up until I close it or the OOM killer kills it)
Since this only happens with heif photos (in my case, taken by Apple smartpho... | gdk-pixbuf module memory-leaking | https://api.github.com/repos/strukturag/libheif/issues/509/comments | 1 | 2021-05-15T09:14:17Z | 2021-07-12T17:01:47Z | https://github.com/strukturag/libheif/issues/509 | 892,397,186 | 509 |
[
"strukturag",
"libheif"
] | So far I have found that HEIF files can have Exif, XMP and MPEG-7 metadata containers.
However, is it correct that most consumer devices like smartphones will save metadata in the Exif format?
Or are xmp and mpeg-7 also common?
Thanks for the info,
Peter
| [Question] Common metadata container formats? | https://api.github.com/repos/strukturag/libheif/issues/505/comments | 1 | 2021-05-13T11:57:50Z | 2021-05-14T22:53:21Z | https://github.com/strukturag/libheif/issues/505 | 890,979,471 | 505 |
[
"strukturag",
"libheif"
] | Once https://github.com/xiph/rav1e/issues/2730 is resolved, do not pad to 16x16 pixels minimum size anymore.
| rav1e: do not pad to 16x16 minimum image size anymore | https://api.github.com/repos/strukturag/libheif/issues/503/comments | 0 | 2021-05-12T18:08:58Z | 2021-05-12T18:08:58Z | https://github.com/strukturag/libheif/issues/503 | 890,356,451 | 503 |
[
"strukturag",
"libheif"
] | I'm not sure if this is by design, but the line
```
if (!options || options->ignore_transformations == false) {
```
is not controllable because the options are not passed down from `decode_image_user` to `decode_image_planar`...
I'm having troubles with the conversion from HEIC to JPEG, the orientation i... | [BUG] decode_image_user is not passing the heif_decoding_options to decode_image_planar | https://api.github.com/repos/strukturag/libheif/issues/498/comments | 5 | 2021-05-10T14:59:17Z | 2021-10-23T16:37:44Z | https://github.com/strukturag/libheif/issues/498 | 884,412,149 | 498 |
[
"strukturag",
"libheif"
] | Maybe it's a avif-coding error, but just in case:
Test files: https://git.ditoforge.com/mirrors/aom-libavif/src/commit/7637023eabb7589a21358f244ccb8a631c210f10/tests/inputs
heif-convert alpha420.avif alpha420.png (alpha420.png empty) | Alpha channel disappears ? | https://api.github.com/repos/strukturag/libheif/issues/495/comments | 5 | 2021-05-07T08:36:59Z | 2021-05-07T11:18:50Z | https://github.com/strukturag/libheif/issues/495 | 878,611,218 | 495 |
[
"strukturag",
"libheif"
] | On input with different bpp in the alpha plane than in the color plane, the color-conversion may fail. E.g. in the image from #493, conversion to YCbCr-8bpp fails during RGB (9bit) + alpha (8bit) -> RRGGBB in Op_RGB_HDR_to_RRGGBBaa_BE(). During pipeline creation, this is not detected, as we do not consider the alpha bp... | Support color-conversions with different bpp in alpha plane | https://api.github.com/repos/strukturag/libheif/issues/494/comments | 0 | 2021-05-05T07:42:44Z | 2021-05-05T07:42:44Z | https://github.com/strukturag/libheif/issues/494 | 876,160,243 | 494 |
[
"strukturag",
"libheif"
] | This was discovered by oss-fuzz (tested [heif plugin](https://invent.kde.org/frameworks/kimageformats/-/blob/master/src/imageformats/heif.cpp) from kimageformats) and re-checked by valgrind (using heif-convert only).
http://188.121.162.14/libheif/leak-3332f16bbeb91fb698a6153c9474d68cb205e3cf.heic
```
==6833== 16... | memory leak | https://api.github.com/repos/strukturag/libheif/issues/493/comments | 1 | 2021-05-05T06:51:18Z | 2021-05-05T07:36:39Z | https://github.com/strukturag/libheif/issues/493 | 876,121,642 | 493 |
[
"strukturag",
"libheif"
] | I was reading the source code, and found
```
int bpp = (options && options->convert_hdr_to_8bit) ? 8 : 0;
// TODO: check BPP changed
if (different_chroma || different_colorspace) {
img = convert_colorspace(img, target_colorspace, target_chroma, nullptr, bpp);
if (!img) {
return Error(heif_error... | HDR to 8-bit not always outputting 8-bit? | https://api.github.com/repos/strukturag/libheif/issues/492/comments | 0 | 2021-05-04T20:45:56Z | 2021-05-04T20:45:56Z | https://github.com/strukturag/libheif/issues/492 | 875,823,122 | 492 |
[
"strukturag",
"libheif"
] | Currently when building with Visual Studio 2019 (MSVC 19.28) in total 32 warnings are thrown in the `heif`, `heif-info`, `heif-enc`, `heif-convert` and `heif-test` projects.
All warnings can be [viewed on AppVeyor](https://ci.appveyor.com/project/EwoutH/libheif/build/job/yotd33165h6vxe6m/messages). | Resolve MSVC warnings | https://api.github.com/repos/strukturag/libheif/issues/491/comments | 6 | 2021-05-03T14:28:56Z | 2024-06-27T12:57:25Z | https://github.com/strukturag/libheif/issues/491 | 874,625,295 | 491 |
[
"strukturag",
"libheif"
] | There should be an option in CMakeLists.txt to also install the gnome thumbnailer files. See #484.
These are the files `heif.thumbnailer` and `heif.xml`/`avif.xml` in the gnome directory.
| Install gnome thumbnailer files with CMake | https://api.github.com/repos/strukturag/libheif/issues/486/comments | 0 | 2021-04-30T09:56:14Z | 2021-07-12T16:53:50Z | https://github.com/strukturag/libheif/issues/486 | 872,258,308 | 486 |
[
"strukturag",
"libheif"
] | libheif `v1.11.0`
**command**
```
heif-convert test.heic test.png
```
**result**
```
File contains 1 images
Could not decode image: 0: Unsupported feature: Unsupported color conversion
```
[test.heic.zip](https://github.com/strukturag/libheif/files/6363972/test.heic.zip)
| Could not decode image: 0: Unsupported feature: Unsupported color conversion | https://api.github.com/repos/strukturag/libheif/issues/481/comments | 10 | 2021-04-23T08:46:57Z | 2021-05-18T15:42:45Z | https://github.com/strukturag/libheif/issues/481 | 865,895,117 | 481 |
[
"strukturag",
"libheif"
] | I have a heif file by OPPO Find X3
use heif-convet input.heic out.jpg, the result is
| 10 bits HEIF convert problem | https://api.github.com/repos/strukturag/libheif/issues/480/comments | 3 | 2021-04-21T09:51:06Z | 2021-10-25T06:38:08Z | https://github.com/strukturag/libheif/issues/480 | 863,685,908 | 480 |
[
"strukturag",
"libheif"
] | Excuse me for the probably irrelevant issue but I didn't find any resource to figure out.
One of the latest releases of libheif acclaims there's a "read all auxiliary images" feature but it's unclear from man and help of heif_enc how to do this. I'd like to investigate aux images in my HEICs taken with the iPhone 12... | read all auxiliary images feature is unclear | https://api.github.com/repos/strukturag/libheif/issues/479/comments | 4 | 2021-04-18T12:22:22Z | 2021-04-28T22:02:40Z | https://github.com/strukturag/libheif/issues/479 | 860,651,246 | 479 |
[
"strukturag",
"libheif"
] | Is this an intentional choice? I haven't seen this behavior in other AVIF writers. It's only 4 bytes, but I know many would prefer to keep files as small as possible while maintaining compliance | major_brand is unnecessarily repeated in compatible_brands | https://api.github.com/repos/strukturag/libheif/issues/478/comments | 5 | 2021-04-14T23:33:32Z | 2021-04-19T19:14:33Z | https://github.com/strukturag/libheif/issues/478 | 858,341,698 | 478 |
[
"strukturag",
"libheif"
] | The [AVIF specification, Section 2.2.1 _AV1 Item Configuration Property_](https://aomediacodec.github.io/av1-avif/#av1-configuration-item-property) says:
> The syntax and semantics of the **_AV1 Item Configuration Property_** are identical to those of the AV1CodecConfigurationBox defined in [AV1-ISOBMFF], with the f... | AVIF requirement: The values of the fields in the AV1CodecConfigurationBox shall match those of the Sequence Header OBU in the AV1 Image Item Data. | https://api.github.com/repos/strukturag/libheif/issues/477/comments | 5 | 2021-04-14T17:43:14Z | 2021-05-06T11:47:17Z | https://github.com/strukturag/libheif/issues/477 | 858,120,522 | 477 |
[
"strukturag",
"libheif"
] | Hello
I would like to add the support of heif sequence files in our toolkit. SO I have several questions :
1) is libheif supporting heif sequence files
2) if yes, what are the API to get the number of images, and how to access each image of the file
thank you
Vincent Torri
| programmatically accessing the images in an heif sequence file | https://api.github.com/repos/strukturag/libheif/issues/475/comments | 4 | 2021-04-09T09:26:30Z | 2021-04-09T09:56:48Z | https://github.com/strukturag/libheif/issues/475 | 854,347,444 | 475 |
[
"strukturag",
"libheif"
] | As per instruction on Compiling section, I have run ./autogen.sh and ./configure but when I attempted to run make the compiling process stopped with error
`In file included from encoder_png.cc:29:0:
/usr/include/libpng12/png.h:2657:31: error: invalid suffix on literal; C++11 requires a space between literal and ide... | Error while 'make' attempt on Amazon Linux AMI | https://api.github.com/repos/strukturag/libheif/issues/473/comments | 4 | 2021-04-08T10:43:01Z | 2021-12-14T04:43:13Z | https://github.com/strukturag/libheif/issues/473 | 853,333,053 | 473 |
[
"strukturag",
"libheif"
] | I'm currently using the v1.6.2 version, but upgrading to v1.10.0 slowed down the heif decoding process by about 2.8 times.
I think the cause is that the internal processing was changed from YCbCr processing to RGB processing in the correction of v1.7.0.
I would like to use the latest version.
Is it possible to imp... | Heif decoding processing speed is degraded in V1.7.0 or later version. | https://api.github.com/repos/strukturag/libheif/issues/472/comments | 7 | 2021-04-06T11:08:10Z | 2022-07-11T21:01:36Z | https://github.com/strukturag/libheif/issues/472 | 851,315,271 | 472 |
[
"strukturag",
"libheif"
] | In HEIF/HEIC, there is an optional way to signal alpha channel information.
In particular, there's a field called `alpha_channel_use_idc`.
From the HEIF spec:
_"alpha_channel_use_idc equal to 0 indicates that for alpha blending purposes the decoded samples of the associated primary picture should be multiplied b... | Premultiplied vs non-premultiplied alpha in HEIF | https://api.github.com/repos/strukturag/libheif/issues/471/comments | 10 | 2021-04-06T09:20:46Z | 2021-04-27T13:59:23Z | https://github.com/strukturag/libheif/issues/471 | 851,230,781 | 471 |
[
"strukturag",
"libheif"
] | I am working on using the libav HEVC decoder (ffmpeg) to decode depth images in the meta data of HEIC iphone photos. So I am not using libx265 nor libde265. When I build with neither of them because I am not using them I get an error when running:
`The code execution could not proceed because libx265.dll was not found... | How to use without libx265 nor libde265 | https://api.github.com/repos/strukturag/libheif/issues/469/comments | 3 | 2021-03-24T15:56:09Z | 2021-03-24T20:02:15Z | https://github.com/strukturag/libheif/issues/469 | 839,873,425 | 469 |
[
"strukturag",
"libheif"
] | https://cloud.reflexion.tv/nextcloud/index.php/s/iX3tWnrMGKakTp4 contains some HEIF sample files from [Canon EOS R5](https://www.canon-europe.com/cameras/eos-r5/) and [SONY α1](https://www.sony.com/electronics/interchangeable-lens-cameras/ilce-1)
| HEIF files with 10 bits per channel are not properly decoded | https://api.github.com/repos/strukturag/libheif/issues/468/comments | 9 | 2021-03-22T09:03:52Z | 2021-03-22T10:46:48Z | https://github.com/strukturag/libheif/issues/468 | 837,491,817 | 468 |
[
"strukturag",
"libheif"
] | Hi,
I'm looking for a way to mux heif/heic using HEVC tiles or slices (not heic tile). I tried Nokia's lib but it seemed that it was not work.
In fact, I try to write other boxes according to ISO/IEC 23008-12:2017. I store the slice item using 'hvt1' instead of 'hvc1', and I add the reference of type 'dpnd' to id... | support hevc tile encode and decode | https://api.github.com/repos/strukturag/libheif/issues/467/comments | 1 | 2021-03-22T03:31:09Z | 2021-04-28T22:02:11Z | https://github.com/strukturag/libheif/issues/467 | 837,281,589 | 467 |
[
"strukturag",
"libheif"
] | It currently is not clear which libheif version is used for the online converter https://strukturag.github.io/libheif/.
Can we output the version name `heif_get_version()` somewhere on the page?
| online converter page: show libheif version used | https://api.github.com/repos/strukturag/libheif/issues/466/comments | 1 | 2021-03-19T09:03:41Z | 2021-03-19T09:08:43Z | https://github.com/strukturag/libheif/issues/466 | 835,727,745 | 466 |
[
"strukturag",
"libheif"
] | Hi,
I'm using image magick and found a heic file can not be loaded.
Then I tried to https://strukturag.github.io/libheif/ , it did not work well.
Here is my test file: [IMG20210103002456.zip](https://github.com/ImageMagick/ImageMagick/files/6122741/IMG20210103002456.zip)
Here is the issue: https://github.com/Im... | Load some heic file error | https://api.github.com/repos/strukturag/libheif/issues/465/comments | 2 | 2021-03-19T08:25:38Z | 2021-03-19T09:16:47Z | https://github.com/strukturag/libheif/issues/465 | 835,691,857 | 465 |
[
"strukturag",
"libheif"
] | I am trying to extract the original depth values (in meters) from .heic photos taken using the TrueDepth camera of an iphone. I am referencing one of the example code "heif_convert.cc", but it seems to read in each value as uint_8 and I couldn't figure out how to read them as floats. Can you please help me out? | Unable to extract original depth values from DepthMap. | https://api.github.com/repos/strukturag/libheif/issues/464/comments | 1 | 2021-03-11T09:27:27Z | 2022-10-10T17:02:59Z | https://github.com/strukturag/libheif/issues/464 | 828,964,661 | 464 |
[
"strukturag",
"libheif"
] | Test file: http://188.121.162.14/libheif/clusterfuzz-testcase-minimized-kimgio_heif_fuzzer-5421093193121792.heic
```
==22121== Invalid read of size 4
==22121== at 0x4FF6261: derive_spatial_luma_vector_prediction(base_context*, de265_image*, slice_segment_header const*, int, int, int, int, int, int, int, int, in... | crash in derive_spatial_luma_vector_prediction | https://api.github.com/repos/strukturag/libheif/issues/463/comments | 0 | 2021-03-04T09:44:25Z | 2021-03-04T09:44:25Z | https://github.com/strukturag/libheif/issues/463 | 821,955,458 | 463 |
[
"strukturag",
"libheif"
] | When writing unittests, I noticed that saving and loading NCLX/CICP values doesn't work for heif, but it does work for avif.
[heif_avif_cicp_rec2020.zip](https://github.com/strukturag/libheif/files/6063457/heif_avif_cicp_rec2020.zip) | saving nclx/cicp values works for avif but not heif | https://api.github.com/repos/strukturag/libheif/issues/462/comments | 4 | 2021-03-01T17:50:06Z | 2021-03-01T18:56:22Z | https://github.com/strukturag/libheif/issues/462 | 819,105,070 | 462 |
[
"strukturag",
"libheif"
] | Hello,
This file trigger assertion:
http://188.121.162.14/libheif/Assertion_scaling_list_pred_matrix_id_delta_eq1.heic
Command: `heif-convert Assertion_scaling_list_pred_matrix_id_delta_eq1.heic output.png`
Result:
`libde265/sps.cc:925: de265_error read_scaling_list(bitreader*, const seq_parameter_set*, scalin... | Assertion scaling_list_pred_matrix_id_delta==1 failed. | https://api.github.com/repos/strukturag/libheif/issues/461/comments | 0 | 2021-03-01T17:34:45Z | 2021-03-01T17:34:45Z | https://github.com/strukturag/libheif/issues/461 | 819,092,858 | 461 |
[
"strukturag",
"libheif"
] | Test file: http://188.121.162.14/libheif/Invalid_read_of_size_1.heic
```
==21114== Memcheck, a memory error detector
==21114== Copyright (C) 2002-2017, and GNU GPL'd, by Julian Seward et al.
==21114== Using Valgrind-3.17.0.GIT and LibVEX; rerun with -h for copyright info
==21114== Command: heif-convert Invalid_rea... | Invalid read of size 1 | https://api.github.com/repos/strukturag/libheif/issues/460/comments | 1 | 2021-03-01T16:23:12Z | 2021-03-01T17:48:15Z | https://github.com/strukturag/libheif/issues/460 | 819,030,319 | 460 |
[
"strukturag",
"libheif"
] | Hello,
http://188.121.162.14/libheif/clusterfuzz-testcase-minimized-kimgio_heif_fuzzer-5216742642155520.heic
```
==31713== Memcheck, a memory error detector
==31713== Copyright (C) 2002-2017, and GNU GPL'd, by Julian Seward et al.
==31713== Using Valgrind-3.16.1 and LibVEX; rerun with -h for copyright info
==3171... | crash | https://api.github.com/repos/strukturag/libheif/issues/459/comments | 1 | 2021-03-01T16:01:49Z | 2021-03-01T18:00:41Z | https://github.com/strukturag/libheif/issues/459 | 819,010,654 | 459 |
[
"strukturag",
"libheif"
] | [test.zip](https://github.com/strukturag/libheif/files/6059479/test.zip)
heif-convert test.heic test.jpg
libheif 1.11.0
test.heic HEIC 3072x4096 3072x4096+0+0 10-bit YCbCr
exif:Make: OPPO
ex... | Problem with convert heic to jpg | https://api.github.com/repos/strukturag/libheif/issues/458/comments | 2 | 2021-03-01T06:20:47Z | 2021-03-02T10:23:45Z | https://github.com/strukturag/libheif/issues/458 | 818,519,026 | 458 |
[
"strukturag",
"libheif"
] | Hello,
test file: http://188.121.162.14/libheif/clusterfuzz-testcase-minimized-kimgio_heif_fuzzer-5020322681192448.heic
```
==13829== Memcheck, a memory error detector
==13829== Copyright (C) 2002-2017, and GNU GPL'd, by Julian Seward et al.
==13829== Using Valgrind-3.16.1 and LibVEX; rerun with -h for copyright i... | Invalid read of size 2 | https://api.github.com/repos/strukturag/libheif/issues/457/comments | 3 | 2021-02-28T19:58:38Z | 2021-04-29T11:39:19Z | https://github.com/strukturag/libheif/issues/457 | 818,294,936 | 457 |
[
"strukturag",
"libheif"
] | The `pre-commit.hook` script fails silently when `gofmt` is not installed. Consequently, doing a `git commit` returns without error, but does nothing if the command is missing. | git commit fails silently if go is not installed | https://api.github.com/repos/strukturag/libheif/issues/454/comments | 0 | 2021-02-27T19:44:22Z | 2021-02-27T19:44:22Z | https://github.com/strukturag/libheif/issues/454 | 818,003,215 | 454 |
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