Function readHuffmanCode

js/decode.ts:454–470

(alphabetSizeMax: number, alphabetSizeLimit: number, tableGroup: Int32Array, tableIdx: number, s: State)

  return buildHuffmanTable(tableGroup, tableIdx, 8, codeLengths, alphabetSizeLimit);
}
function readHuffmanCode(alphabetSizeMax: number, alphabetSizeLimit: number, tableGroup: Int32Array, tableIdx: number, s: State): number {
  if (s.halfOffset > 2030) {
    const result: number = readMoreInput(s);
    if (result < 0) {
      return result;
    }
  }
  if (s.bitOffset >= 16) {
    s.accumulator32 = (s.shortBuffer[s.halfOffset++] << 16) | (s.accumulator32 >>> 16);
    s.bitOffset -= 16;
  }
  const simpleCodeOrSkip: number = readFewBits(s, 2);
  if (simpleCodeOrSkip === 1) {
    return readSimpleHuffmanCode(alphabetSizeMax, alphabetSizeLimit, tableGroup, tableIdx, s);
  }
  return readComplexHuffmanCode(alphabetSizeLimit, simpleCodeOrSkip, tableGroup, tableIdx, s);
}
function decodeContextMap(contextMapSize: number, contextMap: Int8Array, s: State): number {
  let result: number;
  if (s.halfOffset > 2030) {