Voice Credit

1// voice-credit.mjs — the credits line for a run's voices, naming where each voice really came from.
2const VENDORS = {
3  heygen: "HeyGen",
4  elevenlabs: "ElevenLabs",
5  gemini: "Google Gemini",
6  kokoro: "Kokoro (open-source, run locally)",
7};
8
9/** "Voice: ..." for the voices an audio run made or took in, or null when it has none. */
10export function voiceCredit(voices, ttsProvider) {
11  const sources = new Set(voices.map((v) => v.source ?? ttsProvider).filter(Boolean));
12  if (sources.size === 0) return null;
13  const parts = [...sources].map((s) =>
14    s === "recording" ? "your own recording" : `AI-generated by ${VENDORS[s] ?? s}`,
15  );
16  return `Voice: ${parts.join("; ")}`;
17}