entity test_op1 is
    generic (
        NBITS                       : natural := 1;
        NBR_OF_CHROMA               : natural := 1;
        NBR_OF_ROW                  : natural := 1;
        NBR_OF_COL                  : natural := 1;
        NBR_OF_MATRIX               : natural := 1);
    port (
        signal clock, rst             : in  bit;
        signal in_data                : in  bit_vector(NBR_OF_MATRIX*NBR_OF_COL*NBR_OF_ROW*NBR_OF_CHROMA*NBITS-1 downto 0));
end entity test_op1;

architecture rtl of test_op1 is

    package inst_pixel_pkg is new work.pixel_pkg
      generic map (
            NBITS                       => NBITS,
            NBR_OF_CHROMA               => NBR_OF_CHROMA
      );

    package inst_pixel_column_pkg is new work.pixel_column_pkg
      generic map (
            NBITS                       => NBITS,
            NBR_OF_CHROMA               => NBR_OF_CHROMA,
            NBR_OF_ROW                  => NBR_OF_ROW,
            local_pixel_pkg             => inst_pixel_pkg
      );

    use inst_pixel_column_pkg.all;
    signal input_pixel_column : TYPE_PIXEL_COLUMN;
begin

    -- As soon as a function from the local_pixel_matrix_pkg is used it breaks
    input_pixel_column <= bit_vector_to_pixel_column(in_data(NBR_OF_ROW*NBR_OF_CHROMA*NBITS-1 downto 0));
end architecture rtl;