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Format negative Audio Samples time as a signed timecode

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Found while testing crates/time/src/lib.rs:383-387

Co-Authored-By: Claude Haiku 5.5 <noreply@anthropic.com>
Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
This commit is contained in:
NetterSilver
2026-10-18 14:21:15 +02:00
co-authored by Claude Haiku 5.5
parent f36b2b3e6b
commit d58fe2991d
1 changed files with 13 additions and 3 deletions
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crates/time/src/lib.rs
+13 -3
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@@ -381,9 +381,11 @@ pub fn format_time(t: Tick, rate: FrameRate, drop_frame: bool, display: TimeDisp
format!("{}{}+{:02}", if neg { "-" } else { "" }, a / per_ft, a % per_ft)
}
TimeDisplay::AudioSamples => {
let secs = t.0.div_euclid(TICKS_PER_SECOND);
let rem = Tick(t.0.rem_euclid(TICKS_PER_SECOND)).to_units_floor(sample_rate);
format!("{:02}:{:02}:{:02}:{rem:05}", secs / 3600, (secs / 60) % 60, secs % 60)
let sign = if t.0 < 0 { "-" } else { "" };
let abs = t.0.saturating_abs();
let secs = abs.div_euclid(TICKS_PER_SECOND);
let rem = Tick(abs.rem_euclid(TICKS_PER_SECOND)).to_units_floor(sample_rate);
format!("{sign}{:02}:{:02}:{:02}:{rem:05}", secs / 3600, (secs / 60) % 60, secs % 60)
}
TimeDisplay::Seconds => format!("{:.3}", t.seconds()),
}
@@ -701,6 +703,14 @@ mod tests {
assert_eq!(format_time(Tick::from_units(48_001, 48_000), r, false, TimeDisplay::AudioSamples, 48000), "00:00:01:00001");
}
#[test]
fn neg_samples() {
let r = FrameRate::FPS_30;
let fmt = |s: f64| format_time(Tick::from_seconds_f64(s), r, false, TimeDisplay::AudioSamples, 48000);
assert_eq!(fmt(-0.5), "-00:00:00:24000");
assert_eq!(fmt(-3700.0), "-01:01:40:00000");
}
#[test]
fn rational_conversions() {
// 90 kHz MPEG timebase