libheif
https://github.com/strukturag/libheif
C++
libheif is a ISO/IEC 23008-12:2017 HEIF file format decoder and encoder.
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- Issues
- When the input image (16K * 16K) is too large, the generated heif image cannot be opened. The prompt file is damaged.
- heif-enc output is 4x bigger than equivalent macOS Finder output
- heif-convert command not found
- "uncompressed" tests fail on various platforms
- libheif-1.8.0: image display blurry screen after decode
- HEIF (10 bit) to AVIF (10 bit) conversion, e.g., for Android compatibility
- ppa builds for Ubuntu noble 24.04
- Forward maximum image size to decoder plugins
- Improving heif decoding performance
- Reuse decoder buffer (instead of alloc + memcpy)
- Docs
- C++ not yet supported