Subversion Repositories video_stream_scaler

library verilog;

use verilog.vl_types.all;

entity streamScaler is

    generic(

        DATA_WIDTH      : integer := 8;

        CHANNELS        : integer := 1;

        DISCARD_CNT_WIDTH: integer := 8;

        INPUT_X_RES_WIDTH: integer := 11;

        INPUT_Y_RES_WIDTH: integer := 11;

        OUTPUT_X_RES_WIDTH: integer := 11;

        OUTPUT_Y_RES_WIDTH: integer := 11;

        FRACTION_BITS   : integer := 8;

        SCALE_INT_BITS  : integer := 4;

        SCALE_FRAC_BITS : integer := 14;

        BUFFER_SIZE     : integer := 4

    );

    port(

        clk             : in     vl_logic;

        rst             : in     vl_logic;

        dIn             : in     vl_logic_vector;

        dInValid        : in     vl_logic;

        nextDin         : out    vl_logic;

        start           : in     vl_logic;

        dOut            : out    vl_logic_vector;

        dOutValid       : out    vl_logic;

        nextDout        : in     vl_logic;

        inputDiscardCnt : in     vl_logic_vector;

        inputXRes       : in     vl_logic_vector;

        inputYRes       : in     vl_logic_vector;

        outputXRes      : in     vl_logic_vector;

        outputYRes      : in     vl_logic_vector;

        xScale          : in     vl_logic_vector;

        yScale          : in     vl_logic_vector;

        leftOffset      : in     vl_logic_vector;

        topFracOffset   : in     vl_logic_vector;

        nearestNeighbor : in     vl_logic

    );

end streamScaler;