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ultrajpeg\n\n`ultrajpeg` is a Rust library for working with JPEG images.\n\nIt provides a native Rust API for encoding and decoding plain JPEG images,\nMPF-bundled gain-map JPEGs, ICC/EXIF payloads, UltraHDR XMP, and\nISO 21496-1 metadata.\n\n## Highlights\n\n- plain JPEG encode and decode\n- explicit JPEG scan-mode and compression-effort control on encode\n- metadata-only inspection without pixel decode\n- raw Ultra HDR payload parsing for XMP and ISO 21496-1\n- structural inspection for MPF-bundled or concatenated JPEG codestreams\n- Ultra HDR gain-map packaging and recovery\n- SDR-primary preparation for caller-managed HDR workflows\n- bundled Display-P3 ICC helper\n- structured primary-image color metadata and Ultra HDR metadata\n- synchronous API with internal parallel decode where useful\n\n## Main API\n\nThe main public API is at the crate root:\n\n- `inspect`\n- `decode`\n- `decode_with_options`\n- `encode`\n- `compute_gain_map`\n- `encode_ultra_hdr`\n\nThe primary public types include:\n\n- `Image`\n- `EncodeOptions`\n- `CompressionEffort`\n- `PrimaryMetadata`\n- `GainMapBundle`\n- `DecodedImage`\n- `Inspection`\n- `UltraHdrMetadata`\n- `Encoder`\n\nThe docs.rs rustdoc is generated from the user-facing files under `docs/user/`.\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fjcayzac%2Fultrajpeg","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fjcayzac%2Fultrajpeg","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fjcayzac%2Fultrajpeg/lists"}