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
- Decode complete chroma planes in uncompressed images
- Avoid allocating unused chroma planes in mixed interleave
- Fill chroma edges when extracting subsampled image areas
- Reject interleaved decoder output and return planar RGB from WebCodecs
- a1op operating point is ignored, so valid layered AVIF quebec_3layer_op2.avif fails with “Security limit exceeded” since 1.23.5
- Fuse 10-bit YCbCr to RGBA conversion with optional SSE2
- Preserve NCLX on RGB output when passthrough is enabled
- Allow -b 8 option to output 8-bit image
- Refactor decode_with_browser_hevc promise and error handling
- tili: enforce caller security limits on tile offset table allocation
- Docs
- C++ not yet supported