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Exalted5373andClaude Opus 5.5
90361935ba
heic-rs reconstructs iPhone HEVC tiles bit-exactly (checked against libde265), but its colour stage was 2-27 code values off libheif on every iPhone photo: it ignores the HEVC VUI and assumes BT.709 limited range. lightcraft-heif now converts YCbCr itself (nclx, else VUI, else H.265 defaults; nearest chroma, bilinear for odd clap offsets, as libheif), inherits tile ICC/nclx on grids, follows libheif's imir axis and clap rounding, and outputs 16-bit RGB. Measured on 30 real and synthetic files: within 1 code value of libheif (pillow-heif 1.8 / libheif 1.23). Also: HEIF header reader for import (no pixel decode), embedded thumbnail for small decodes, nclx/VUI colour hint (shared CICP mapping with PNG), clear 4:2:2/4:4:4 Unsupported error, Format::not_decodable as the one source of "why not" (import reports "HEIC/HEIF support isn't included in this build"), `.heif` imports. Release packaging and Nix build with the heif feature, as whats-new promised. lightcraft_heif::testdata writes lossless (PCM) synthetic HEICs for the tests. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
49 lines
1.8 KiB
TOML
49 lines
1.8 KiB
TOML
[package]
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name = "lightcraft-codecs"
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version.workspace = true
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edition.workspace = true
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license.workspace = true
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description = "LightCraft standard image codecs: sniffing, decode to linear light, ICC, encoders (L1)"
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[lints]
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workspace = true
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[dependencies]
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lightcraft-geom = { workspace = true }
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lightcraft-color = { workspace = true }
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lightcraft-raster = { workspace = true }
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lightcraft-heif = { workspace = true, optional = true }
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serde = { workspace = true }
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bytemuck = { workspace = true }
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thiserror = { workspace = true }
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rayon = { workspace = true, optional = true }
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image = { workspace = true, features = ["gif", "bmp"] }
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zune-jpeg = { workspace = true }
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zune-core = { workspace = true }
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jpeg-decoder = { workspace = true }
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jpeg-encoder = { workspace = true }
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png = { workspace = true }
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tiff = { workspace = true }
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image-webp = { workspace = true }
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moxcms = { workspace = true }
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jxl-oxide = { workspace = true, optional = true }
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[target.'cfg(not(target_arch = "wasm32"))'.dependencies]
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ravif = { workspace = true, optional = true }
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[features]
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default = ["parallel", "jxl", "avif"]
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parallel = ["dep:rayon", "lightcraft-raster/parallel", "jpeg-decoder/rayon"]
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jxl = ["dep:jxl-oxide"]
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# HEIC/HEIF decode via the optional lightcraft-heif crate (heic-rs, pure Rust). Off by default so
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# distributors choose it at build time (HEVC patents are a distributor's call, same policy as
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# PhotoCraft); `cargo xtask ci` clippies and tests it (`--features heif`), releases don't ship it yet.
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heif = ["dep:lightcraft-heif"]
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## AVIF encoding via ravif/rav1e (pure Rust, BSD). Native targets only; a no-op on wasm32.
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avif = ["dep:ravif"]
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[dev-dependencies]
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proptest = { workspace = true }
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# Lossless synthetic HEIC files for the `heif` feature's tests.
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lightcraft-heif = { workspace = true, features = ["testdata"] }
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