FA-78133 / Subtitle cue timing / Member archive

Proportional cue splitting: piece contiguity · case 03

Split pieces are separated by one-millisecond holes.

Member previewVariant 3 · 3 implementations · 7 checks per implementation

Case contract

Split cue [start,end] into len(parts) consecutive cues. Each part weighs max(1, len(part.strip())). Boundary after part k is start + floor(dur * cumulative_weight_k / total_weight); pieces are contiguous and the last ends at end. Output [s,e,part.strip()].

Why this case matters

Subtitle timing defects shift, hide or overlap captions that viewers depend on for comprehension and accessibility.

One recorded failure

Sample boundary fixture

This sample comes from the broken implementation of a controlled reproducer.

Boundary fixture	Actual	Expected	Outcome
regression: piece contiguity	`[[0, 3, "abc"], [4, 5, "de"], [6, 7, "f"]]`	`[[0, 3, "abc"], [3, 5, "de"], [5, 7, "f"]]`	Failed

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