Method fileTypeDecoder

src/quicktimevideo.cpp:1371–1400

}  // QuickTimeVideo::handlerDecoder

void QuickTimeVideo::fileTypeDecoder(size_t size) {
  DataBuf buf(5);
  std::memset(buf.data(), 0x0, buf.size());
  buf.data()[4] = '\0';
  Exiv2::Value::UniquePtr v = Exiv2::Value::create(Exiv2::xmpSeq);
  const TagVocabulary* td;

  for (int i = 0; size / 4 != 0; size -= 4, i++) {
    io_->readOrThrow(buf.data(), 4);
    td = Exiv2::find(qTimeFileType, Exiv2::toString(buf.data()));

    switch (i) {
      case 0:
        if (td)
          xmpData_["Xmp.video.MajorBrand"] = exvGettext(td->label_);
        break;
      case 1:
        xmpData_["Xmp.video.MinorVersion"] = buf.read_uint32(0, bigEndian);
        break;
      default:
        if (td)
          v->read(exvGettext(td->label_));
        else
          v->read(Exiv2::toString(buf.data()));
        break;
    }
  }
  xmpData_.add(Exiv2::XmpKey("Xmp.video.CompatibleBrands"), v.get());
  io_->readOrThrow(buf.data(), size % 4);
}  // QuickTimeVideo::fileTypeDecoder

void QuickTimeVideo::mediaHeaderDecoder(size_t size) {
  DataBuf buf(5);