module filter
  (input clk,
   input enable,
   input newFrame,
   input validPixelIn,
   input [7:0] pixelRedIn,
   input [7:0] pixelGreenIn,
   input [7:0] pixelBlueIn,
   output [7:0] pixelRedOut,
   output [7:0] pixelGreenOut,
   output [7:0] pixelBlueOut
  );

   pixelValidOut = pixelValidIn;
   lineAddrOut = lineAddrIn;
   colAddrOut = colAddrIn;
   
   // Instantiate the interpolation module
   interpolate int_inst
	 (.pixelIn (grayIn),     // gray-scale value in
	  .average (average),
	  .pixelOut (grayOut));  // gray-scale value out

endmodule