function formatSecondsValue(milliseconds: number): string { return (milliseconds / 1000).toFixed(1); } export function formatClipRange(startMs: number, endMs: number): string { return `${formatSecondsValue(startMs)}s to ${formatSecondsValue(endMs)}s`; } export function formatPlaybackPosition(milliseconds: number): string { const roundedSeconds = Math.round(Math.max(0, milliseconds) / 100) / 10; const wholeSeconds = Math.floor(roundedSeconds); const tenths = Math.round((roundedSeconds - wholeSeconds) * 10); const hours = Math.floor(wholeSeconds / 3600); const minutes = Math.floor((wholeSeconds % 3600) / 60); const seconds = wholeSeconds % 60; if (hours > 0) { return `${hours}:${String(minutes).padStart(2, "0")}:${String(seconds).padStart(2, "0")}.${tenths}`; } if (minutes > 0) { return `${minutes}:${String(seconds).padStart(2, "0")}.${tenths}`; } return `${seconds}.${tenths}s`; }