Function normalizeCustomEmojiBuffer

quote/quote.ts:1091–1102

(buffer: Buffer | undefined)

async function probeAnimatedInfo(buffer: Buffer): Promise<{ fps: number; duration: number }> {
  const tmpBase = path.join(os.tmpdir(), `telebox_quote_probe_${Date.now()}_${Math.random().toString(16).slice(2)}`);
  const input = `${tmpBase}.bin`;
  try {
    fs.writeFileSync(input, buffer);
    const out = await execFileCaptureAsync("ffprobe", [
      "-v", "error",
      "-select_streams", "v:0",
      "-show_entries", "stream=avg_frame_rate,r_frame_rate,duration:format=duration",
      "-of", "default=noprint_wrappers=1:nokey=0",
      input,
    ], 10000);
    const data = new Map<string, string>();
    out.split(/\r?\n/).forEach((line) => {
      const idx = line.indexOf("=");
      if (idx > 0) data.set(line.slice(0, idx), line.slice(idx + 1));
    });