Exemple #1
0
void
MP4::Tag::parseFreeForm(const MP4::Atom *atom)
{
  AtomDataList data = parseData2(atom, -1, true);
  if(data.size() > 2) {
    String name = "----:" + String(data[0].data, String::UTF8) + ':' + String(data[1].data, String::UTF8);
    AtomDataType type = data[2].type;
    for(uint i = 2; i < data.size(); i++) {
      if(data[i].type != type) {
        debug("MP4: We currently don't support values with multiple types");
        break;
      }
    }
    if(type == TypeUTF8) {
      StringList value;
      for(uint i = 2; i < data.size(); i++) {
        value.append(String(data[i].data, String::UTF8));
      }
      Item item(value);
      item.setAtomDataType(type);
      addItem(name, item);
    }
    else {
      ByteVectorList value;
      for(uint i = 2; i < data.size(); i++) {
        value.append(data[i].data);
      }
      Item item(value);
      item.setAtomDataType(type);
      addItem(name, item);
    }
  }
}
Exemple #2
0
MP4::AtomDataList MP4::Tag::parseData2(MP4::Atom *atom, TagLib::File *file, int expectedFlags, bool freeForm)
{
    AtomDataList result;
    ByteVector   data = file->readBlock(atom->length - 8);
    int          i    = 0;
    unsigned int pos  = 0;

    while ( pos < data.size() ) {
        const int  length = static_cast<int> ( data.toUInt(pos) );
        ByteVector name   = data.mid(pos + 4, 4);
        const int  flags  = static_cast<int> ( data.toUInt(pos + 8) );
        if ( freeForm && (i < 2) ) {
            if ( (i == 0) && (name != "mean") ) {
                debug("MP4: Unexpected atom \"" + name + "\", expecting \"mean\"");
                return result;
            } else if ( (i == 1) && (name != "name") ) {
                debug("MP4: Unexpected atom \"" + name + "\", expecting \"name\"");
                return result;
            }
            result.append( AtomData( AtomDataType(flags), data.mid(pos + 12, length - 12) ) );
        } else {
            if ( name != "data" ) {
                debug("MP4: Unexpected atom \"" + name + "\", expecting \"data\"");
                return result;
            }
            if ( (expectedFlags == -1) || (flags == expectedFlags) ) {
                result.append( AtomData( AtomDataType(flags), data.mid(pos + 16, length - 16) ) );
            }
        }
        pos += length;
        i++;
    }
    return result;
}
Exemple #3
0
ByteVectorList
MP4::Tag::parseData(const MP4::Atom *atom, int expectedFlags, bool freeForm)
{
  AtomDataList data = parseData2(atom, expectedFlags, freeForm);
  ByteVectorList result;
  for(uint i = 0; i < data.size(); i++) {
    result.append(data[i].data);
  }
  return result;
}
Exemple #4
0
ByteVectorList
MP4::Tag::parseData(const MP4::Atom *atom, int expectedFlags, bool freeForm)
{
  AtomDataList data = parseData2(atom, expectedFlags, freeForm);
  ByteVectorList result;
  for(AtomDataList::ConstIterator it = data.begin(); it != data.end(); ++it) {
    result.append(it->data);
  }
  return result;
}
Exemple #5
0
void
MP4::Tag::parseFreeForm(const MP4::Atom *atom)
{
  AtomDataList data = parseData2(atom, -1, true);
  if(data.size() > 2) {
    AtomDataList::ConstIterator itBegin = data.begin();

    String name = "----:";
    name += String((itBegin++)->data, String::UTF8);  // data[0].data
    name += ':';
    name += String((itBegin++)->data, String::UTF8);  // data[1].data

    AtomDataType type = itBegin->type; // data[2].type

    for(AtomDataList::ConstIterator it = itBegin; it != data.end(); ++it) {
      if(it->type != type) {
        debug("MP4: We currently don't support values with multiple types");
        break;
      }
    }
    if(type == TypeUTF8) {
      StringList value;
      for(AtomDataList::ConstIterator it = itBegin; it != data.end(); ++it) {
        value.append(String(it->data, String::UTF8));
      }
      Item item(value);
      item.setAtomDataType(type);
      addItem(name, item);
    }
    else {
      ByteVectorList value;
      for(AtomDataList::ConstIterator it = itBegin; it != data.end(); ++it) {
        value.append(it->data);
      }
      Item item(value);
      item.setAtomDataType(type);
      addItem(name, item);
    }
  }
}