完善韩泰 EOT 标注编辑器并更新标注规范与项目资料

2026-10-09 15:55:46 +08:00
parent 138b08a8e4
commit 0204f1288a
29 changed files with 1340 additions and 1271 deletions
@@ -0,0 +1,25 @@
+export interface SnapPoint { ms: number; label: string }
+
+/** Keep magnetic selection consistent with zoom without attracting distant audio. */
+export function snapTimelineTime(ms: number, points: SnapPoint[], duration: number, width: number, bypass = false) {
+  const bounded = Math.round(Math.max(0, Math.min(duration, ms)));
+  const radius = Math.min(500, duration / Math.max(1, width) * 8);
+  let point: SnapPoint | null = null;
+  let distance = radius;
+  if (!bypass) {
+    for (const candidate of points) {
+      if (candidate.ms < 0 || candidate.ms > duration) continue;
+      const delta = Math.abs(candidate.ms - bounded);
+      if (delta <= distance && (!point || delta < distance)) { point = candidate; distance = delta; }
+    }
+  }
+  return { ms: point?.ms ?? bounded, point };
+}
+
+/** A resized segment must stay in the recording and retain a positive duration. */
+export function resizeTranscriptRange(start: number, end: number, edge: "start" | "end", ms: number, duration: number) {
+  const value = Math.round(ms);
+  return edge === "start"
+    ? { start_ms: Math.max(0, Math.min(end - 1, value)), end_ms: end }
+    : { start_ms: start, end_ms: Math.max(start + 1, Math.min(duration, value)) };
+}