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Merge PR #2540 (maintainer follow-up)

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Brandon Thomas
2026-10-30 15:26:31 -04:00
parent b854bbb94e 831d724b87
commit c7d7d3c0fd
1 changed files with 6 additions and 0 deletions
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crates/pipeline/src/lut.rs
+6
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@@ -45,6 +45,10 @@ impl Lut3d {
} else if let Some(r) = l.strip_prefix("DOMAIN_MAX") {
max = three(r).ok_or("bad DOMAIN_MAX")?;
} else if l.starts_with(|c: char| c.is_ascii_alphabetic()) {
// a data line of `nan` / `inf` starts with a letter too: it is bad data, not a keyword
if l.split_whitespace().next().is_some_and(|w| w.parse::<f32>().is_ok()) {
return Err(format!("bad line `{l}`"));
}
// other keywords (LUT_IN_VIDEO_RANGE…) are ignored
} else {
data.push(three(l).ok_or_else(|| format!("bad line `{l}`"))?);
@@ -150,6 +154,8 @@ mod tests {
bad_line(&format!("LUT_3D_SIZE 2\n{}", "-inf inf nan\n".repeat(8)));
bad_line(&format!("LUT_3D_SIZE 2\n{}", "1e39 0 0\n".repeat(8)));
bad_line(&format!("LUT_3D_SIZE 2\n-inf 0 0\n{}", "0 0 0\n".repeat(7)));
bad_line(&format!("LUT_3D_SIZE 2\nnan 0 0\n{}", "0 0 0\n".repeat(8)));
bad_line(&format!("LUT_3D_SIZE 2\ninf 0 0\n{}", "0 0 0\n".repeat(8)));
let ok = cube(|c| c, 2);
assert!(Lut3d::parse_cube(&ok).is_ok());
assert!(Lut3d::parse_cube(&format!("DOMAIN_MIN nan 0 0\n{ok}")).is_err());