//////////////////////////////////////////////////////////////////////
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//////////////////////////////////////////////////////////////////////
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//// ////
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//// ////
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//// Copyright (C) 2015 Authors and OPENCORES.ORG ////
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//// Copyright (C) 2015 Authors and OPENCORES.ORG ////
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//// ////
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//// ////
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//// This source file may be used and distributed without ////
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//// This source file may be used and distributed without ////
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//// restriction provided that this copyright statement is not ////
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//// restriction provided that this copyright statement is not ////
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//// removed from the file and that any derivative work contains ////
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//// removed from the file and that any derivative work contains ////
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//// the original copyright notice and the associated disclaimer. ////
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//// the original copyright notice and the associated disclaimer. ////
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//// ////
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//// ////
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//// This source file is free software; you can redistribute it ////
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//// This source file is free software; you can redistribute it ////
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//// and/or modify it under the terms of the GNU Lesser General ////
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//// and/or modify it under the terms of the GNU Lesser General ////
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//// Public License as published by the Free Software Foundation; ////
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//// Public License as published by the Free Software Foundation; ////
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//// either version 2.1 of the License, or (at your option) any ////
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//// either version 2.1 of the License, or (at your option) any ////
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//// later version. ////
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//// later version. ////
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//// ////
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//// ////
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//// This source is distributed in the hope that it will be ////
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//// This source is distributed in the hope that it will be ////
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//// useful, but WITHOUT ANY WARRANTY; without even the implied ////
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//// useful, but WITHOUT ANY WARRANTY; without even the implied ////
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//// warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR ////
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//// warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR ////
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//// PURPOSE. See the GNU Lesser General Public License for more ////
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//// PURPOSE. See the GNU Lesser General Public License for more ////
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//// details. ////
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//// details. ////
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//// ////
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//// ////
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//// You should have received a copy of the GNU Lesser General ////
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//// You should have received a copy of the GNU Lesser General ////
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//// Public License along with this source; if not, download it ////
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//// Public License along with this source; if not, download it ////
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//// from http://www.opencores.org/lgpl.shtml ////
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//// from http://www.opencores.org/lgpl.shtml ////
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//// ////
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//// ////
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//////////////////////////////////////////////////////////////////////
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//////////////////////////////////////////////////////////////////////
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// --------------------------------------------------------------------
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// --------------------------------------------------------------------
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class video_frame_class;
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class video_frame_class;
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logger_class log;
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logger_class log;
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rand int frame_id;
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rand int frame_id;
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rand int pixels_per_line;
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rand int pixels_per_line;
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rand int lines_per_frame;
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rand int lines_per_frame;
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rand int bits_per_pixel;
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rand int bits_per_pixel;
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int bytes_per_pixel;
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int bytes_per_pixel;
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rand int pixels_per_clk;
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rand int pixels_per_clk;
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line_s lines[];
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line_s lines[];
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string name = "";
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string name = "";
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string pattern = "";
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string pattern = "";
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constraint default_pixels_per_line
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constraint default_pixels_per_line
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{
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{
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pixels_per_line >= 4;
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pixels_per_line >= 4;
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pixels_per_line % 2 == 0;
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pixels_per_line % 2 == 0;
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pixels_per_line <= 16384;
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pixels_per_line <= 16384;
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}
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}
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constraint default_lines_per_frame
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constraint default_lines_per_frame
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{
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{
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lines_per_frame >= 4;
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lines_per_frame >= 4;
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lines_per_frame % 2 == 0;
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lines_per_frame % 2 == 0;
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lines_per_frame <= 16384;
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lines_per_frame <= 16384;
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}
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}
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constraint default_bits_per_pixel
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constraint default_bits_per_pixel
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{
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{
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bits_per_pixel >= 1 && bits_per_pixel <= 32;
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bits_per_pixel >= 1 && bits_per_pixel <= 32;
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}
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}
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//--------------------------------------------------------------------
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//--------------------------------------------------------------------
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function new;
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function new;
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this.log = new;
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this.log = new;
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this.frame_id = 0;
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this.frame_id = 0;
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endfunction: new
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endfunction: new
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// --------------------------------------------------------------------
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// --------------------------------------------------------------------
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function void init
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function void init
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(
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(
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int pixels_per_line,
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int pixels_per_line,
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int lines_per_frame,
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int lines_per_frame,
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int bits_per_pixel,
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int bits_per_pixel,
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int pixels_per_clk = 1,
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int pixels_per_clk = 1,
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string name = ""
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string name = ""
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);
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);
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log.info($sformatf("%m"));
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log.info($sformatf("%m"));
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this.pixels_per_line = pixels_per_line;
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this.pixels_per_line = pixels_per_line;
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this.lines_per_frame = lines_per_frame;
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this.lines_per_frame = lines_per_frame;
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this.bits_per_pixel = bits_per_pixel;
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this.bits_per_pixel = bits_per_pixel;
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this.pixels_per_clk = pixels_per_clk;
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this.pixels_per_clk = pixels_per_clk;
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this.name = name;
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this.name = name;
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this.bytes_per_pixel = (bits_per_pixel % 8 == 0)
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this.bytes_per_pixel = (bits_per_pixel % 8 == 0)
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? (bits_per_pixel / 8)
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? (bits_per_pixel / 8)
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: (bits_per_pixel / 8) + 1;
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: (bits_per_pixel / 8) + 1;
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this.make_constant(0);
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this.make_constant(0);
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endfunction: init
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endfunction: init
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// --------------------------------------------------------------------
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// --------------------------------------------------------------------
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task write_pixel(frame_coordinate_t coordinate, int pixel);
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task write_pixel(frame_coordinate_t coordinate, int pixel);
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this.lines[coordinate.y].pixel[coordinate.x] = pixel;
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this.lines[coordinate.y].pixel[coordinate.x] = pixel;
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endtask: write_pixel
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endtask: write_pixel
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// --------------------------------------------------------------------
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// --------------------------------------------------------------------
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function int read_pixel(frame_coordinate_t coordinate);
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function int read_pixel(frame_coordinate_t coordinate);
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read_pixel = this.lines[coordinate.y].pixel[coordinate.x];
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read_pixel = this.lines[coordinate.y].pixel[coordinate.x];
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endfunction: read_pixel
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endfunction: read_pixel
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// --------------------------------------------------------------------
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// --------------------------------------------------------------------
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function flattened_frame_t flatten_frame();
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function flattened_frame_t flatten_frame();
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int i = 0;
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log.info($sformatf("%m"));
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flatten_frame = new[lines_per_frame*pixels_per_line];
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flatten_frame = new[lines_per_frame*pixels_per_line];
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foreach(this.lines[l])
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foreach(this.lines[l])
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foreach(this.lines[l].pixel[p])
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foreach(this.lines[l].pixel[p])
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begin
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flatten_frame[(l*pixels_per_line)+p] = this.lines[l].pixel[p];
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flatten_frame[i] = this.lines[l].pixel[p];
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i++;
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end
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endfunction: flatten_frame
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endfunction: flatten_frame
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// --------------------------------------------------------------------
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// --------------------------------------------------------------------
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function void load_flatten_frame(flattened_frame_t a);
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make_constant(0);
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foreach(lines[l])
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foreach(lines[l].pixel[p])
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lines[l].pixel[p] = a[(l*pixels_per_line)+p];
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endfunction: load_flatten_frame
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// --------------------------------------------------------------------
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function void make_constant(int pixel);
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function void make_constant(int pixel);
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log.info($sformatf("%m"));
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log.info($sformatf("%m"));
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this.lines = new[lines_per_frame];
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this.lines = new[lines_per_frame];
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foreach(this.lines[l])
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foreach(this.lines[l])
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begin
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begin
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this.lines[l].pixel = new[pixels_per_line];
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this.lines[l].pixel = new[pixels_per_line];
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foreach(this.lines[l].pixel[p])
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foreach(this.lines[l].pixel[p])
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this.lines[l].pixel[p] = pixel;
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this.lines[l].pixel[p] = pixel;
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end
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end
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pattern = "constant";
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pattern = "constant";
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endfunction: make_constant
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endfunction: make_constant
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// --------------------------------------------------------------------
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// --------------------------------------------------------------------
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function void make_counting(int offset = 0);
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function void make_counting(int offset = 0);
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log.info($sformatf("%m"));
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log.info($sformatf("%m"));
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this.lines = new[lines_per_frame];
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this.lines = new[lines_per_frame];
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foreach(this.lines[l])
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foreach(this.lines[l])
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begin
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begin
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this.lines[l].pixel = new[pixels_per_line];
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this.lines[l].pixel = new[pixels_per_line];
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foreach(this.lines[l].pixel[p])
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foreach(this.lines[l].pixel[p])
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this.lines[l].pixel[p] = (pixels_per_line * l) + p + offset;
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this.lines[l].pixel[p] = (pixels_per_line * l) + p + offset;
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end
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end
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pattern = "counting";
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pattern = "counting";
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endfunction: make_counting
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endfunction: make_counting
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// --------------------------------------------------------------------
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// --------------------------------------------------------------------
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function void make_horizontal();
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function void make_horizontal();
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log.info($sformatf("%m"));
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log.info($sformatf("%m"));
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this.lines = new[lines_per_frame];
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this.lines = new[lines_per_frame];
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foreach(this.lines[l])
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foreach(this.lines[l])
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begin
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begin
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this.lines[l].pixel = new[pixels_per_line];
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this.lines[l].pixel = new[pixels_per_line];
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foreach(this.lines[l].pixel[p])
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foreach(this.lines[l].pixel[p])
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this.lines[l].pixel[p] = p;
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this.lines[l].pixel[p] = p;
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end
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end
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pattern = "horizontal";
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pattern = "horizontal";
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endfunction: make_horizontal
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endfunction: make_horizontal
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// --------------------------------------------------------------------
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// --------------------------------------------------------------------
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function void make_vertical();
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function void make_vertical();
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log.info($sformatf("%m"));
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log.info($sformatf("%m"));
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this.lines = new[lines_per_frame];
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this.lines = new[lines_per_frame];
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foreach(this.lines[l])
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foreach(this.lines[l])
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begin
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begin
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this.lines[l].pixel = new[pixels_per_line];
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this.lines[l].pixel = new[pixels_per_line];
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foreach(this.lines[l].pixel[p])
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foreach(this.lines[l].pixel[p])
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this.lines[l].pixel[p] = l;
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this.lines[l].pixel[p] = l;
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end
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end
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pattern = "vertical";
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pattern = "vertical";
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endfunction: make_vertical
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endfunction: make_vertical
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// --------------------------------------------------------------------
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// --------------------------------------------------------------------
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function void make_random();
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function void make_random();
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log.info($sformatf("%m"));
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log.info($sformatf("%m"));
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this.lines = new[lines_per_frame];
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this.lines = new[lines_per_frame];
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|
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foreach(this.lines[l])
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foreach(this.lines[l])
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begin
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begin
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this.lines[l].pixel = new[pixels_per_line];
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this.lines[l].pixel = new[pixels_per_line];
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foreach(this.lines[l].pixel[p])
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foreach(this.lines[l].pixel[p])
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this.lines[l].pixel[p] = $urandom_range(((2 ** bits_per_pixel) - 1), 0);
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this.lines[l].pixel[p] = $urandom_range(((2 ** bits_per_pixel) - 1), 0);
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end
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end
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pattern = "random";
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pattern = "random";
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endfunction: make_random
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endfunction: make_random
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// --------------------------------------------------------------------
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// --------------------------------------------------------------------
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function void copy(video_frame_class from);
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function void copy(video_frame_class from);
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log.info($sformatf("%m"));
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log.info($sformatf("%m"));
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this.frame_id = from.frame_id;
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this.frame_id = from.frame_id;
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this.pixels_per_line = from.pixels_per_line;
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this.pixels_per_line = from.pixels_per_line;
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this.lines_per_frame = from.lines_per_frame;
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this.lines_per_frame = from.lines_per_frame;
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this.bits_per_pixel = from.bits_per_pixel;
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this.bits_per_pixel = from.bits_per_pixel;
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this.name = from.name;
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this.name = from.name;
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this.lines = new[this.lines_per_frame];
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this.lines = new[this.lines_per_frame];
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foreach(this.lines[l])
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foreach(this.lines[l])
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begin
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begin
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this.lines[l].pixel = new[this.pixels_per_line];
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this.lines[l].pixel = new[this.pixels_per_line];
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foreach(this.lines[l].pixel[p])
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foreach(this.lines[l].pixel[p])
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this.lines[l].pixel[p] = from.lines[l].pixel[p];
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this.lines[l].pixel[p] = from.lines[l].pixel[p];
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end
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end
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endfunction: copy
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endfunction: copy
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// --------------------------------------------------------------------
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// --------------------------------------------------------------------
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virtual function video_frame_class clone;
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virtual function video_frame_class clone;
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log.info($sformatf("%m"));
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log.info($sformatf("%m"));
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clone = new();
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clone = new();
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clone.copy(this);
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clone.copy(this);
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endfunction: clone
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endfunction: clone
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// --------------------------------------------------------------------
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// --------------------------------------------------------------------
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function video_frame_class catenate_horizontally(video_frame_class tail);
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function video_frame_class catenate_horizontally(video_frame_class tail);
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log.info($sformatf("%m"));
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log.info($sformatf("%m"));
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if(this.lines_per_frame != tail.lines_per_frame)
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if(this.lines_per_frame != tail.lines_per_frame)
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return(null);
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return(null);
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if(this.bits_per_pixel != tail.bits_per_pixel)
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if(this.bits_per_pixel != tail.bits_per_pixel)
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return(null);
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return(null);
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catenate_horizontally = new();
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catenate_horizontally = new();
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catenate_horizontally.pixels_per_line = this.pixels_per_line + tail.pixels_per_line;
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catenate_horizontally.pixels_per_line = this.pixels_per_line + tail.pixels_per_line;
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catenate_horizontally.lines_per_frame = this.lines_per_frame;
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catenate_horizontally.lines_per_frame = this.lines_per_frame;
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catenate_horizontally.bits_per_pixel = this.bits_per_pixel;
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catenate_horizontally.bits_per_pixel = this.bits_per_pixel;
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catenate_horizontally.name = this.name;
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catenate_horizontally.name = this.name;
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catenate_horizontally.lines = new[catenate_horizontally.lines_per_frame];
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catenate_horizontally.lines = new[catenate_horizontally.lines_per_frame];
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foreach(catenate_horizontally.lines[l])
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foreach(catenate_horizontally.lines[l])
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begin
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begin
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catenate_horizontally.lines[l].pixel = new[catenate_horizontally.pixels_per_line];
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catenate_horizontally.lines[l].pixel = new[catenate_horizontally.pixels_per_line];
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foreach(this.lines[l].pixel[p])
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foreach(this.lines[l].pixel[p])
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catenate_horizontally.lines[l].pixel[p] = this.lines[l].pixel[p];
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catenate_horizontally.lines[l].pixel[p] = this.lines[l].pixel[p];
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foreach(tail.lines[l].pixel[p])
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foreach(tail.lines[l].pixel[p])
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catenate_horizontally.lines[l].pixel[p + this.pixels_per_line] = tail.lines[l].pixel[p];
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catenate_horizontally.lines[l].pixel[p + this.pixels_per_line] = tail.lines[l].pixel[p];
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end
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end
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endfunction: catenate_horizontally
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endfunction: catenate_horizontally
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// --------------------------------------------------------------------
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// --------------------------------------------------------------------
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function void shift_right(ref line_s column);
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function void shift_right(ref line_s column);
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log.info($sformatf("%m"));
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log.info($sformatf("%m"));
|
|
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foreach(this.lines[l])
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foreach(this.lines[l])
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for(int p = pixels_per_line - 1; p > 0; p--)
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for(int p = pixels_per_line - 1; p > 0; p--)
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this.lines[l].pixel[p] = this.lines[l].pixel[p - 1];
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this.lines[l].pixel[p] = this.lines[l].pixel[p - 1];
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foreach(this.lines[l])
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foreach(this.lines[l])
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this.lines[l].pixel[0] = column.pixel[l];
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this.lines[l].pixel[0] = column.pixel[l];
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endfunction: shift_right
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endfunction: shift_right
|
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// --------------------------------------------------------------------
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// --------------------------------------------------------------------
|
function int compare_line
|
function int compare_line
|
( int line
|
( int line
|
, int max_mismatches
|
, int max_mismatches
|
, video_frame_class to
|
, video_frame_class to
|
);
|
);
|
int mismatch_count = 0;
|
int mismatch_count = 0;
|
|
|
if(to.bits_per_pixel != this.bits_per_pixel)
|
if(to.bits_per_pixel != this.bits_per_pixel)
|
begin
|
begin
|
log.error($sformatf("to.bits_per_pixel != this.bits_per_pixel | %s", name));
|
log.error($sformatf("to.bits_per_pixel != this.bits_per_pixel | %s", name));
|
return(-3);
|
return(-3);
|
end
|
end
|
|
|
foreach(this.lines[line].pixel[p])
|
foreach(this.lines[line].pixel[p])
|
if(to.lines[line].pixel[p] != this.lines[line].pixel[p])
|
if(to.lines[line].pixel[p] != this.lines[line].pixel[p])
|
begin
|
begin
|
|
|
if(max_mismatches > 0)
|
if(max_mismatches > 0)
|
mismatch_count++;
|
mismatch_count++;
|
|
|
log.error($sformatf("mismatch @ frame[%4h][%4h] | to == %4h | this == %4h | %s",
|
log.error($sformatf("mismatch @ frame[%4h][%4h] | to == %4h | this == %4h | %s",
|
line, p, to.lines[line].pixel[p], this.lines[line].pixel[p], name));
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line, p, to.lines[line].pixel[p], this.lines[line].pixel[p], name));
|
|
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if(mismatch_count > max_mismatches)
|
if(mismatch_count > max_mismatches)
|
return(mismatch_count);
|
return(mismatch_count);
|
end
|
end
|
|
|
return(mismatch_count);
|
return(mismatch_count);
|
endfunction: compare_line
|
endfunction: compare_line
|
|
|
// --------------------------------------------------------------------
|
// --------------------------------------------------------------------
|
function int compare(int max_mismatches, video_frame_class to);
|
function int compare(int max_mismatches, video_frame_class to);
|
int mismatch_count = 0;
|
int mismatch_count = 0;
|
log.info($sformatf("%m"));
|
log.info($sformatf("%m"));
|
|
|
if(to.pixels_per_line != this.pixels_per_line)
|
if(to.pixels_per_line != this.pixels_per_line)
|
begin
|
begin
|
log.error($sformatf("to.pixels_per_line != this.pixels_per_line | %s", name));
|
log.error($sformatf("to.pixels_per_line != this.pixels_per_line | %s", name));
|
return(-1);
|
return(-1);
|
end
|
end
|
|
|
if(to.lines_per_frame != this.lines_per_frame)
|
if(to.lines_per_frame != this.lines_per_frame)
|
begin
|
begin
|
log.error($sformatf("to.lines_per_frame != this.lines_per_frame | %s", name));
|
log.error($sformatf("to.lines_per_frame != this.lines_per_frame | %s", name));
|
return(-2);
|
return(-2);
|
end
|
end
|
|
|
if(to.bits_per_pixel != this.bits_per_pixel)
|
if(to.bits_per_pixel != this.bits_per_pixel)
|
begin
|
begin
|
log.error($sformatf("to.bits_per_pixel != this.bits_per_pixel | %s", name));
|
log.error($sformatf("to.bits_per_pixel != this.bits_per_pixel | %s", name));
|
return(-3);
|
return(-3);
|
end
|
end
|
|
|
foreach(this.lines[l])
|
foreach(this.lines[l])
|
begin
|
begin
|
foreach(this.lines[l].pixel[p])
|
foreach(this.lines[l].pixel[p])
|
if(to.lines[l].pixel[p] != this.lines[l].pixel[p])
|
if(to.lines[l].pixel[p] != this.lines[l].pixel[p])
|
begin
|
begin
|
if(max_mismatches > 0)
|
if(max_mismatches > 0)
|
mismatch_count++;
|
mismatch_count++;
|
|
|
log.error($sformatf("mismatch @ frame[%4h][%4h] | to == %4h | this == %4h | %s", l, p, to.lines[l].pixel[p], this.lines[l].pixel[p], name));
|
log.error($sformatf("mismatch @ frame[%4h][%4h] | to == %4h | this == %4h | %s", l, p, to.lines[l].pixel[p], this.lines[l].pixel[p], name));
|
|
|
if(mismatch_count > max_mismatches)
|
if(mismatch_count > max_mismatches)
|
return(mismatch_count);
|
return(mismatch_count);
|
end
|
end
|
end
|
end
|
|
|
return(mismatch_count);
|
return(mismatch_count);
|
endfunction: compare
|
endfunction: compare
|
|
|
// --------------------------------------------------------------------
|
// --------------------------------------------------------------------
|
function void print_line(int line, int pixel, int count);
|
function void print_line(int line, int pixel, int count);
|
log.info($sformatf("%m"));
|
log.info($sformatf("%m"));
|
|
|
for(int i = 0; i < count; i++)
|
for(int i = 0; i < count; i++)
|
log.display($sformatf("%4h @ frame[%4h][%4h] | %s", this.lines[line].pixel[(pixel + i)], line, (pixel + i), name));
|
log.display($sformatf("%4h @ frame[%4h][%4h] | %s", this.lines[line].pixel[(pixel + i)], line, (pixel + i), name));
|
endfunction: print_line
|
endfunction: print_line
|
|
|
// --------------------------------------------------------------------
|
// --------------------------------------------------------------------
|
function void print_config();
|
function void print_config();
|
log.display($sformatf("%m | frame_id = %06d | %s", frame_id, name));
|
log.display($sformatf("%m | frame_id = %06d | %s", frame_id, name));
|
log.display($sformatf("%m | pixels_per_line = %06d | %s", pixels_per_line, name));
|
log.display($sformatf("%m | pixels_per_line = %06d | %s", pixels_per_line, name));
|
log.display($sformatf("%m | lines_per_frame = %06d | %s", lines_per_frame, name));
|
log.display($sformatf("%m | lines_per_frame = %06d | %s", lines_per_frame, name));
|
log.display($sformatf("%m | bits_per_pixel = %06d | %s", bits_per_pixel, name));
|
log.display($sformatf("%m | bits_per_pixel = %06d | %s", bits_per_pixel, name));
|
log.display($sformatf("%m | pixels_per_clk = %06d | %s", pixels_per_clk, name));
|
log.display($sformatf("%m | pixels_per_clk = %06d | %s", pixels_per_clk, name));
|
log.display($sformatf("%m | pattern = %s | %s", pattern, name));
|
log.display($sformatf("%m | pattern = %s | %s", pattern, name));
|
endfunction: print_config
|
endfunction: print_config
|
|
|
// --------------------------------------------------------------------
|
// --------------------------------------------------------------------
|
function string convert2string();
|
function string convert2string(int grid=8);
|
string s;
|
string s;
|
string f ="";
|
string f ="";
|
|
string fs = $sformatf("%%s%%%0d.h" , (bits_per_pixel % 4 == 0)
|
|
? bits_per_pixel / 4
|
|
: (bits_per_pixel / 4) + 1
|
|
);
|
foreach(this.lines[l])
|
foreach(this.lines[l])
|
begin
|
begin
|
s = $sformatf("[%4.d]", l);
|
s = $sformatf("[%4.d]", l);
|
foreach(this.lines[l].pixel[p])
|
foreach(this.lines[l].pixel[p])
|
s = {s, $sformatf("|%4.h", this.lines[l].pixel[p])};
|
s = {s, $sformatf(fs, (p % grid == 0) ? "!" : "|", this.lines[l].pixel[p])};
|
|
|
f = {f, s, "|\n"};
|
f = {f, s, "|\n"};
|
end
|
end
|
return f;
|
return f;
|
endfunction: convert2string
|
endfunction: convert2string
|
|
|
// --------------------------------------------------------------------
|
// --------------------------------------------------------------------
|
endclass: video_frame_class
|
endclass: video_frame_class
|
|
|
