Function deriveQuality

static/js/catalog.js:357–368

(sourceUrl)

}

function deriveQuality(sourceUrl) {
  if (!sourceUrl) return "—";
  if (sourceUrl.startsWith("local:")) {
    const ext = sourceUrl.split(".").pop()?.toLowerCase();
    if (ext === "wav") return "Lossless (WAV)";
    if (ext === "mp3") return "Compressed (MP3)";
    return "Local file";
  }
  if (sourceUrl.includes("youtube.com") || sourceUrl.includes("youtu.be")) return "High";
  if (sourceUrl.includes("soundcloud.com")) return "Compressed (MP3)";
  return "—";
}

function drLabel(dr) {
  if (dr < 7) return "Compressed";