BitDepth get_bit_depth_from_option()

in torchaudio/csrc/sox/types.cpp [82:103]

• 22 lines of code
• 7 McCabe index (conditional complexity)

BitDepth get_bit_depth_from_option(const c10::optional<int64_t> bit_depth) {
  if (!bit_depth.has_value())
    return BitDepth::NOT_PROVIDED;
  int64_t v = bit_depth.value();
  switch (v) {
    case 8:
      return BitDepth::B8;
    case 16:
      return BitDepth::B16;
    case 24:
      return BitDepth::B24;
    case 32:
      return BitDepth::B32;
    case 64:
      return BitDepth::B64;
    default: {
      std::ostringstream s;
      s << "Internal Error: unexpected bit depth value: " << v;
      throw std::runtime_error(s.str());
    }
  }
}