libheif

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compilation with autoconf script fails with 'go' error

2

```` 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...

farindk

it takes 4 seconds for 4K image HEIC to decodie

10

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

ByteYIFFF

Support displaying HDR image in web decoder

1

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 be explicitly requesting the...

farindk

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...

tvercaut

Online demo can't decode my AVIF sample file

6

I have a sample AVIF file of page 1 of the U.S. Constitution stored on the Bitcoin blockchain here: https://bico.media/4c97b18d3f157b593045fe1525f5fdc608bc207e4729964855604ad40dc77e0f The file is viewable with avif.js: https://kagami.github.io/avif.js/?src=https://bico.media/4c97b18d3f157b593045fe1525f5fdc608bc207e4729964855604ad40dc77e0f It would be...

derekm

Expose transformations

8

This PR introduce interface for reading transformations for given `heif_image_handle`. # Rationale The current rotation implementation is pretty straight and that is why inefficient on modern CPUs. For example, It...

homm

Crash when encoding AVIF using rav1e

3

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...

novomesk

ignore_transformations does not ignore AVIF clap

3

Test image: kimono.crop.avif (see: https://github.com/link-u/avif-sample-images) This picture has a clear aperture (clap) definition. 'clap' provides cropping and offset instructions, so it does not render the entire image. decode_options = heif_decoding_options_alloc();...

hackerfactor

Is there a way to convert from tiff?

3

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...

iBobbyTS

crash during HEIC encoding on MSYS2 platform

10

When libheif master is built on MSYS2 platform (Windows), heif-enc and GIMP plug-in crashes when encoding HEIC files. 8-bit AVIF encoding works. ``` (gdb) run Starting program: C:\msys64\mingw64\bin\heif-enc.exe genessa_600_450.jpg x.heic...

novomesk