Subversion Repositories qaz_libs

//////////////////////////////////////////////////////////////////////
////                                                              ////
//// Copyright (C) 2015 Authors and OPENCORES.ORG                 ////
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//// This source file is free software; you can redistribute it   ////
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//// Public License as published by the Free Software Foundation; ////
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//////////////////////////////////////////////////////////////////////

// --------------------------------------------------------------------
class video_frame_config;
  rand int pixels_per_line;
  rand int lines_per_frame;
  rand int bits_per_pixel;
  rand int bus_width;
  int bytes_per_pixel;
  int pixels_per_clk;
  string name;

  // --------------------------------------------------------------------
  function void init( int pixels_per_line
                    , int lines_per_frame
                    , int bits_per_pixel
                    , int bus_width
                    , string name = ""
                    );
    this.pixels_per_line  = pixels_per_line;
    this.lines_per_frame  = lines_per_frame;
    this.bits_per_pixel   = bits_per_pixel;
    this.bytes_per_pixel  = (bits_per_pixel % 8 == 0)
                          ? (bits_per_pixel / 8)
                          : (bits_per_pixel / 8) + 1;
    this.bus_width        = bus_width;
    this.pixels_per_clk   = bus_width / bytes_per_pixel;
    this.name             = name;

    // --------------------------------------------------------------------
    assert(bus_width % bytes_per_pixel == 0);
  endfunction : init

// --------------------------------------------------------------------
endclass: video_frame_config