Timecode Display

// TIMECODE DISPLAY
// Apply to Source Text
// === SETTINGS ===
showHours = true;      // true/false
showFrames = true;     // true/false
dropFrame = false;     // true for 29.97 drop-frame notation
separator = ":";       // use ";" for drop-frame convention

// === TIMECODE LOGIC ===
fps = 1 / thisComp.frameDuration;
totalFrames = Math.floor(time * fps);

// Calculate components
frm = totalFrames % fps;
totalSec = Math.floor(totalFrames / fps);
sec = totalSec % 60;
totalMin = Math.floor(totalSec / 60);
min = totalMin % 60;
hr = Math.floor(totalMin / 60);

function pad(n, digits) {
    s = "" + Math.floor(n);
    while (s.length < digits) s = "0" + s;
    return s;
}

// Build timecode string
tc = "";
if (showHours) tc += pad(hr, 2) + separator;
tc += pad(min, 2) + separator + pad(sec, 2);
if (showFrames) {
    frameSep = dropFrame ? ";" : separator;
    tc += frameSep + pad(frm, 2);
}

tc