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URL https://opencores.org/ocsvn/qaz_libs/qaz_libs/trunk

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  • This comparison shows the changes necessary to convert path 
    /qaz_libs/trunk/BFM/src/video_frame
    from Rev 45 to Rev 47
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  •

Rev 45 → Rev 47

/video_frame_class.svh
0,0 → 1,364
//////////////////////////////////////////////////////////////////////
//// ////
//// Copyright (C) 2015 Authors and OPENCORES.ORG ////
//// ////
//// This source file may be used and distributed without ////
//// restriction provided that this copyright statement is not ////
//// removed from the file and that any derivative work contains ////
//// the original copyright notice and the associated disclaimer. ////
//// ////
//// This source file is free software; you can redistribute it ////
//// and/or modify it under the terms of the GNU Lesser General ////
//// Public License as published by the Free Software Foundation; ////
//// either version 2.1 of the License, or (at your option) any ////
//// later version. ////
//// ////
//// This source is distributed in the hope that it will be ////
//// useful, but WITHOUT ANY WARRANTY; without even the implied ////
//// warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR ////
//// PURPOSE. See the GNU Lesser General Public License for more ////
//// details. ////
//// ////
//// You should have received a copy of the GNU Lesser General ////
//// Public License along with this source; if not, download it ////
//// from http://www.opencores.org/lgpl.shtml ////
//// ////
//////////////////////////////////////////////////////////////////////
 
// --------------------------------------------------------------------
class video_frame_class;
logger_class log;
rand int frame_id;
rand int pixels_per_line;
rand int lines_per_frame;
rand int bits_per_pixel;
int bytes_per_pixel;
rand int pixels_per_clk;
line_s lines[];
string name = "";
string pattern = "";
 
constraint default_pixels_per_line
{
pixels_per_line >= 4;
pixels_per_line % 2 == 0;
pixels_per_line <= 16384;
}
 
constraint default_lines_per_frame
{
lines_per_frame >= 4;
lines_per_frame % 2 == 0;
lines_per_frame <= 16384;
}
 
constraint default_bits_per_pixel
{
bits_per_pixel >= 1 && bits_per_pixel <= 32;
}
 
//--------------------------------------------------------------------
function new;
this.log = new;
this.frame_id = 0;
endfunction: new
 
// --------------------------------------------------------------------
function void init
(
int pixels_per_line,
int lines_per_frame,
int bits_per_pixel,
int pixels_per_clk = 1,
string name = ""
);
log.info($sformatf("%m"));
this.pixels_per_line = pixels_per_line;
this.lines_per_frame = lines_per_frame;
this.bits_per_pixel = bits_per_pixel;
this.pixels_per_clk = pixels_per_clk;
this.name = name;
this.bytes_per_pixel = (bits_per_pixel % 8 == 0)
? (bits_per_pixel / 8)
: (bits_per_pixel / 8) + 1;
 
this.make_constant(0);
endfunction: init
 
// --------------------------------------------------------------------
task write_pixel(frame_coordinate_t coordinate, int pixel);
this.lines[coordinate.y].pixel[coordinate.x] = pixel;
endtask: write_pixel
 
// --------------------------------------------------------------------
function int read_pixel(frame_coordinate_t coordinate);
read_pixel = this.lines[coordinate.y].pixel[coordinate.x];
endfunction: read_pixel
 
// --------------------------------------------------------------------
function flattened_frame_t flatten_frame();
int i = 0;
log.info($sformatf("%m"));
flatten_frame = new[lines_per_frame*pixels_per_line];
 
foreach(this.lines[l])
foreach(this.lines[l].pixel[p])
begin
flatten_frame[i] = this.lines[l].pixel[p];
i++;
end
endfunction: flatten_frame
 
// --------------------------------------------------------------------
function void make_constant(int pixel);
log.info($sformatf("%m"));
this.lines = new[lines_per_frame];
 
foreach(this.lines[l])
begin
this.lines[l].pixel = new[pixels_per_line];
 
foreach(this.lines[l].pixel[p])
this.lines[l].pixel[p] = pixel;
end
 
pattern = "constant";
endfunction: make_constant
 
// --------------------------------------------------------------------
function void make_counting(int offset = 0);
log.info($sformatf("%m"));
this.lines = new[lines_per_frame];
 
foreach(this.lines[l])
begin
this.lines[l].pixel = new[pixels_per_line];
 
foreach(this.lines[l].pixel[p])
this.lines[l].pixel[p] = (pixels_per_line * l) + p + offset;
end
 
pattern = "counting";
endfunction: make_counting
 
// --------------------------------------------------------------------
function void make_horizontal();
log.info($sformatf("%m"));
this.lines = new[lines_per_frame];
 
foreach(this.lines[l])
begin
this.lines[l].pixel = new[pixels_per_line];
 
foreach(this.lines[l].pixel[p])
this.lines[l].pixel[p] = p;
end
 
pattern = "horizontal";
endfunction: make_horizontal
 
// --------------------------------------------------------------------
function void make_vertical();
log.info($sformatf("%m"));
this.lines = new[lines_per_frame];
 
foreach(this.lines[l])
begin
this.lines[l].pixel = new[pixels_per_line];
 
foreach(this.lines[l].pixel[p])
this.lines[l].pixel[p] = l;
end
 
pattern = "vertical";
endfunction: make_vertical
 
// --------------------------------------------------------------------
function void make_random();
log.info($sformatf("%m"));
this.lines = new[lines_per_frame];
 
foreach(this.lines[l])
begin
this.lines[l].pixel = new[pixels_per_line];
 
foreach(this.lines[l].pixel[p])
this.lines[l].pixel[p] = $urandom_range(((2 ** bits_per_pixel) - 1), 0);
end
 
pattern = "random";
endfunction: make_random
 
// --------------------------------------------------------------------
function void copy(video_frame_class from);
log.info($sformatf("%m"));
this.frame_id = from.frame_id;
this.pixels_per_line = from.pixels_per_line;
this.lines_per_frame = from.lines_per_frame;
this.bits_per_pixel = from.bits_per_pixel;
this.name = from.name;
this.lines = new[this.lines_per_frame];
 
foreach(this.lines[l])
begin
this.lines[l].pixel = new[this.pixels_per_line];
 
foreach(this.lines[l].pixel[p])
this.lines[l].pixel[p] = from.lines[l].pixel[p];
end
endfunction: copy
 
// --------------------------------------------------------------------
virtual function video_frame_class clone;
log.info($sformatf("%m"));
clone = new();
clone.copy(this);
endfunction: clone
 
// --------------------------------------------------------------------
function video_frame_class catenate_horizontally(video_frame_class tail);
log.info($sformatf("%m"));
 
if(this.lines_per_frame != tail.lines_per_frame)
return(null);
 
if(this.bits_per_pixel != tail.bits_per_pixel)
return(null);
 
catenate_horizontally = new();
catenate_horizontally.pixels_per_line = this.pixels_per_line + tail.pixels_per_line;
catenate_horizontally.lines_per_frame = this.lines_per_frame;
catenate_horizontally.bits_per_pixel = this.bits_per_pixel;
catenate_horizontally.name = this.name;
catenate_horizontally.lines = new[catenate_horizontally.lines_per_frame];
 
foreach(catenate_horizontally.lines[l])
begin
catenate_horizontally.lines[l].pixel = new[catenate_horizontally.pixels_per_line];
 
foreach(this.lines[l].pixel[p])
catenate_horizontally.lines[l].pixel[p] = this.lines[l].pixel[p];
 
foreach(tail.lines[l].pixel[p])
catenate_horizontally.lines[l].pixel[p + this.pixels_per_line] = tail.lines[l].pixel[p];
end
endfunction: catenate_horizontally
 
// --------------------------------------------------------------------
function void shift_right(ref line_s column);
log.info($sformatf("%m"));
 
foreach(this.lines[l])
for(int p = pixels_per_line - 1; p > 0; p--)
this.lines[l].pixel[p] = this.lines[l].pixel[p - 1];
 
foreach(this.lines[l])
this.lines[l].pixel[0] = column.pixel[l];
endfunction: shift_right
 
// --------------------------------------------------------------------
function int compare_line
( int line
, int max_mismatches
, video_frame_class to
);
int mismatch_count = 0;
 
if(to.bits_per_pixel != this.bits_per_pixel)
begin
log.error($sformatf("to.bits_per_pixel != this.bits_per_pixel | %s", name));
return(-3);
end
 
foreach(this.lines[line].pixel[p])
if(to.lines[line].pixel[p] != this.lines[line].pixel[p])
begin
 
if(max_mismatches > 0)
mismatch_count++;
 
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));
 
if(mismatch_count > max_mismatches)
return(mismatch_count);
end
 
return(mismatch_count);
endfunction: compare_line
 
// --------------------------------------------------------------------
function int compare(int max_mismatches, video_frame_class to);
int mismatch_count = 0;
log.info($sformatf("%m"));
 
if(to.pixels_per_line != this.pixels_per_line)
begin
log.error($sformatf("to.pixels_per_line != this.pixels_per_line | %s", name));
return(-1);
end
 
if(to.lines_per_frame != this.lines_per_frame)
begin
log.error($sformatf("to.lines_per_frame != this.lines_per_frame | %s", name));
return(-2);
end
 
if(to.bits_per_pixel != this.bits_per_pixel)
begin
log.error($sformatf("to.bits_per_pixel != this.bits_per_pixel | %s", name));
return(-3);
end
 
foreach(this.lines[l])
begin
foreach(this.lines[l].pixel[p])
if(to.lines[l].pixel[p] != this.lines[l].pixel[p])
begin
if(max_mismatches > 0)
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));
 
if(mismatch_count > max_mismatches)
return(mismatch_count);
end
end
 
return(mismatch_count);
endfunction: compare
 
// --------------------------------------------------------------------
function void print_line(int line, int pixel, int count);
log.info($sformatf("%m"));
 
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));
endfunction: print_line
 
// --------------------------------------------------------------------
function void print_config();
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($sformatf("%m | lines_per_frame = %06d | %s", lines_per_frame, name));
log.display($sformatf("%m | bits_per_pixel = %06d | %s", bits_per_pixel, name));
log.display($sformatf("%m | pixels_per_clk = %06d | %s", pixels_per_clk, name));
log.display($sformatf("%m | pattern = %s | %s", pattern, name));
endfunction: print_config
 
// --------------------------------------------------------------------
function string convert2string();
string s;
string f ="";
foreach(this.lines[l])
begin
s = $sformatf("[%4.d]", l);
foreach(this.lines[l].pixel[p])
s = {s, $sformatf("|%4.h", this.lines[l].pixel[p])};
f = {f, s, "|\n"};
end
return f;
endfunction: convert2string
 
// --------------------------------------------------------------------
endclass: video_frame_class
/video_frame_config.svh
0,0 → 1,60
//////////////////////////////////////////////////////////////////////
//// ////
//// Copyright (C) 2015 Authors and OPENCORES.ORG ////
//// ////
//// This source file may be used and distributed without ////
//// restriction provided that this copyright statement is not ////
//// removed from the file and that any derivative work contains ////
//// the original copyright notice and the associated disclaimer. ////
//// ////
//// This source file is free software; you can redistribute it ////
//// and/or modify it under the terms of the GNU Lesser General ////
//// Public License as published by the Free Software Foundation; ////
//// either version 2.1 of the License, or (at your option) any ////
//// later version. ////
//// ////
//// This source is distributed in the hope that it will be ////
//// useful, but WITHOUT ANY WARRANTY; without even the implied ////
//// warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR ////
//// PURPOSE. See the GNU Lesser General Public License for more ////
//// details. ////
//// ////
//// You should have received a copy of the GNU Lesser General ////
//// Public License along with this source; if not, download it ////
//// from http://www.opencores.org/lgpl.shtml ////
//// ////
//////////////////////////////////////////////////////////////////////
 
// --------------------------------------------------------------------
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
/video_frame_pkg.sv
26,360 → 26,28
//////////////////////////////////////////////////////////////////////
 
package video_frame_pkg;
import logger_pkg::*;
 
import logger_pkg::*;
 
typedef struct
{
int pixel[];
} line_s;
 
typedef struct
{
int x;
int y;
} frame_coordinate_t;
 
typedef int flattened_frame_t[];
typedef int unsigned video_array_t[][];
 
// --------------------------------------------------------------------
class video_frame_class;
logger_class log;
rand int frame_id;
rand int pixels_per_line;
rand int lines_per_frame;
rand int bits_per_pixel;
int bytes_per_pixel;
rand int pixels_per_clk;
line_s lines[];
string name = "";
string pattern = "";
 
constraint default_pixels_per_line
// --------------------------------------------------------------------
typedef struct
{
pixels_per_line >= 4;
pixels_per_line % 2 == 0;
pixels_per_line <= 16384;
}
int pixel[];
} line_s;
 
constraint default_lines_per_frame
// --------------------------------------------------------------------
typedef struct
{
lines_per_frame >= 4;
lines_per_frame % 2 == 0;
lines_per_frame <= 16384;
}
int x;
int y;
} frame_coordinate_t;
 
constraint default_bits_per_pixel
{
bits_per_pixel >= 1 && bits_per_pixel <= 32;
}
 
//--------------------------------------------------------------------
function new;
this.log = new;
this.frame_id = 0;
endfunction: new
 
// --------------------------------------------------------------------
function void init
(
int pixels_per_line,
int lines_per_frame,
int bits_per_pixel,
int pixels_per_clk = 1,
string name = ""
);
log.info($sformatf("%m"));
this.pixels_per_line = pixels_per_line;
this.lines_per_frame = lines_per_frame;
this.bits_per_pixel = bits_per_pixel;
this.pixels_per_clk = pixels_per_clk;
this.name = name;
this.bytes_per_pixel = (bits_per_pixel % 8 == 0)
? (bits_per_pixel / 8)
: (bits_per_pixel / 8) + 1;
typedef int flattened_frame_t[];
typedef int unsigned video_array_t[][];
 
this.make_constant(0);
endfunction: init
 
// --------------------------------------------------------------------
task write_pixel(frame_coordinate_t coordinate, int pixel);
this.lines[coordinate.y].pixel[coordinate.x] = pixel;
endtask: write_pixel
`include "video_frame_config.svh"
`include "video_frame_class.svh"
 
// --------------------------------------------------------------------
function int read_pixel(frame_coordinate_t coordinate);
read_pixel = this.lines[coordinate.y].pixel[coordinate.x];
endfunction: read_pixel
 
// --------------------------------------------------------------------
function flattened_frame_t flatten_frame();
int i = 0;
log.info($sformatf("%m"));
flatten_frame = new[lines_per_frame*pixels_per_line];
 
foreach(this.lines[l])
foreach(this.lines[l].pixel[p])
begin
flatten_frame[i] = this.lines[l].pixel[p];
i++;
end
endfunction: flatten_frame
 
// --------------------------------------------------------------------
function void make_constant(int pixel);
log.info($sformatf("%m"));
this.lines = new[lines_per_frame];
 
foreach(this.lines[l])
begin
this.lines[l].pixel = new[pixels_per_line];
 
foreach(this.lines[l].pixel[p])
this.lines[l].pixel[p] = pixel;
end
 
pattern = "constant";
endfunction: make_constant
 
// --------------------------------------------------------------------
function void make_counting(int offset = 0);
log.info($sformatf("%m"));
this.lines = new[lines_per_frame];
 
foreach(this.lines[l])
begin
this.lines[l].pixel = new[pixels_per_line];
 
foreach(this.lines[l].pixel[p])
this.lines[l].pixel[p] = (pixels_per_line * l) + p + offset;
end
 
pattern = "counting";
endfunction: make_counting
 
// --------------------------------------------------------------------
function void make_horizontal();
log.info($sformatf("%m"));
this.lines = new[lines_per_frame];
 
foreach(this.lines[l])
begin
this.lines[l].pixel = new[pixels_per_line];
 
foreach(this.lines[l].pixel[p])
this.lines[l].pixel[p] = p;
end
 
pattern = "horizontal";
endfunction: make_horizontal
 
// --------------------------------------------------------------------
function void make_vertical();
log.info($sformatf("%m"));
this.lines = new[lines_per_frame];
 
foreach(this.lines[l])
begin
this.lines[l].pixel = new[pixels_per_line];
 
foreach(this.lines[l].pixel[p])
this.lines[l].pixel[p] = l;
end
 
pattern = "vertical";
endfunction: make_vertical
 
// --------------------------------------------------------------------
function void make_random();
log.info($sformatf("%m"));
this.lines = new[lines_per_frame];
 
foreach(this.lines[l])
begin
this.lines[l].pixel = new[pixels_per_line];
 
foreach(this.lines[l].pixel[p])
this.lines[l].pixel[p] = $urandom_range(((2 ** bits_per_pixel) - 1), 0);
end
 
pattern = "random";
endfunction: make_random
 
// --------------------------------------------------------------------
function void copy(video_frame_class from);
log.info($sformatf("%m"));
this.frame_id = from.frame_id;
this.pixels_per_line = from.pixels_per_line;
this.lines_per_frame = from.lines_per_frame;
this.bits_per_pixel = from.bits_per_pixel;
this.name = from.name;
this.lines = new[this.lines_per_frame];
 
foreach(this.lines[l])
begin
this.lines[l].pixel = new[this.pixels_per_line];
 
foreach(this.lines[l].pixel[p])
this.lines[l].pixel[p] = from.lines[l].pixel[p];
end
endfunction: copy
 
// --------------------------------------------------------------------
virtual function video_frame_class clone;
log.info($sformatf("%m"));
clone = new();
clone.copy(this);
endfunction: clone
 
// --------------------------------------------------------------------
function video_frame_class catenate_horizontally(video_frame_class tail);
log.info($sformatf("%m"));
 
if(this.lines_per_frame != tail.lines_per_frame)
return(null);
 
if(this.bits_per_pixel != tail.bits_per_pixel)
return(null);
 
catenate_horizontally = new();
catenate_horizontally.pixels_per_line = this.pixels_per_line + tail.pixels_per_line;
catenate_horizontally.lines_per_frame = this.lines_per_frame;
catenate_horizontally.bits_per_pixel = this.bits_per_pixel;
catenate_horizontally.name = this.name;
catenate_horizontally.lines = new[catenate_horizontally.lines_per_frame];
 
foreach(catenate_horizontally.lines[l])
begin
catenate_horizontally.lines[l].pixel = new[catenate_horizontally.pixels_per_line];
 
foreach(this.lines[l].pixel[p])
catenate_horizontally.lines[l].pixel[p] = this.lines[l].pixel[p];
 
foreach(tail.lines[l].pixel[p])
catenate_horizontally.lines[l].pixel[p + this.pixels_per_line] = tail.lines[l].pixel[p];
end
endfunction: catenate_horizontally
 
// --------------------------------------------------------------------
function void shift_right(ref line_s column);
log.info($sformatf("%m"));
 
foreach(this.lines[l])
for(int p = pixels_per_line - 1; p > 0; p--)
this.lines[l].pixel[p] = this.lines[l].pixel[p - 1];
 
foreach(this.lines[l])
this.lines[l].pixel[0] = column.pixel[l];
endfunction: shift_right
 
// --------------------------------------------------------------------
function int compare_line
( int line
, int max_mismatches
, video_frame_class to
);
int mismatch_count = 0;
 
if(to.bits_per_pixel != this.bits_per_pixel)
begin
log.error($sformatf("to.bits_per_pixel != this.bits_per_pixel | %s", name));
return(-3);
end
 
foreach(this.lines[line].pixel[p])
if(to.lines[line].pixel[p] != this.lines[line].pixel[p])
begin
 
if(max_mismatches > 0)
mismatch_count++;
 
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));
 
if(mismatch_count > max_mismatches)
return(mismatch_count);
end
 
return(mismatch_count);
endfunction: compare_line
 
// --------------------------------------------------------------------
function int compare(int max_mismatches, video_frame_class to);
int mismatch_count = 0;
log.info($sformatf("%m"));
 
if(to.pixels_per_line != this.pixels_per_line)
begin
log.error($sformatf("to.pixels_per_line != this.pixels_per_line | %s", name));
return(-1);
end
 
if(to.lines_per_frame != this.lines_per_frame)
begin
log.error($sformatf("to.lines_per_frame != this.lines_per_frame | %s", name));
return(-2);
end
 
if(to.bits_per_pixel != this.bits_per_pixel)
begin
log.error($sformatf("to.bits_per_pixel != this.bits_per_pixel | %s", name));
return(-3);
end
 
foreach(this.lines[l])
begin
foreach(this.lines[l].pixel[p])
if(to.lines[l].pixel[p] != this.lines[l].pixel[p])
begin
if(max_mismatches > 0)
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));
 
if(mismatch_count > max_mismatches)
return(mismatch_count);
end
end
 
return(mismatch_count);
endfunction: compare
 
// --------------------------------------------------------------------
function void print_line(int line, int pixel, int count);
log.info($sformatf("%m"));
 
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));
endfunction: print_line
 
// --------------------------------------------------------------------
function void print_config();
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($sformatf("%m | lines_per_frame = %06d | %s", lines_per_frame, name));
log.display($sformatf("%m | bits_per_pixel = %06d | %s", bits_per_pixel, name));
log.display($sformatf("%m | pixels_per_clk = %06d | %s", pixels_per_clk, name));
log.display($sformatf("%m | pattern = %s | %s", pattern, name));
endfunction: print_config
 
// --------------------------------------------------------------------
function string convert2string();
string s;
string f ="";
foreach(this.lines[l])
begin
s = $sformatf("[%4.d]", l);
foreach(this.lines[l].pixel[p])
s = {s, $sformatf("|%4.h", this.lines[l].pixel[p])};
f = {f, s, "|\n"};
end
return f;
endfunction: convert2string
 
// --------------------------------------------------------------------
endclass: video_frame_class
 
// --------------------------------------------------------------------
endpackage: video_frame_pkg

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