Exemplo n.º 1
0
    def __parse_integer(self, atom, data):
        values = []
        for version, flags, data in self.__parse_data(atom, data):
            if version != 0:
                raise MP4MetadataValueError("unsupported version")
            if flags not in (AtomDataType.IMPLICIT, AtomDataType.INTEGER):
                raise MP4MetadataValueError("unsupported type")

            if len(data) == 1:
                value = cdata.int8(data)
            elif len(data) == 2:
                value = cdata.int16_be(data)
            elif len(data) == 3:
                value = cdata.int32_be(data + b"\x00") >> 8
            elif len(data) == 4:
                value = cdata.int32_be(data)
            elif len(data) == 8:
                value = cdata.int64_be(data)
            else:
                raise MP4MetadataValueError("invalid value size %d" %
                                            len(data))
            values.append(value)

        key = _name2key(atom.name)
        self.__add(key, values)
Exemplo n.º 2
0
    def __parse_integer(self, atom, data):
        values = []
        for version, flags, data in self.__parse_data(atom, data):
            if version != 0:
                raise MP4MetadataValueError("unsupported version")
            if flags not in (AtomDataType.IMPLICIT, AtomDataType.INTEGER):
                raise MP4MetadataValueError("unsupported type")

            if len(data) == 1:
                value = cdata.int8(data)
            elif len(data) == 2:
                value = cdata.int16_be(data)
            elif len(data) == 3:
                value = cdata.int32_be(data + b"\x00") >> 8
            elif len(data) == 4:
                value = cdata.int32_be(data)
            elif len(data) == 8:
                value = cdata.int64_be(data)
            else:
                raise MP4MetadataValueError(
                    "invalid value size %d" % len(data))
            values.append(value)

        key = _name2key(atom.name)
        self.__add(key, values)