URL
https://opencores.org/ocsvn/qaz_libs/qaz_libs/trunk
Subversion Repositories qaz_libs
Compare Revisions
- This comparison shows the changes necessary to convert path
/qaz_libs/trunk/BFM/src/video_frame
- from Rev 47 to Rev 45
- ↔ Reverse comparison
Rev 47 → Rev 45
/video_frame_class.svh
File deleted
/video_frame_config.svh
File deleted
/video_frame_pkg.sv
26,28 → 26,360
////////////////////////////////////////////////////////////////////// |
|
package video_frame_pkg; |
import logger_pkg::*; |
|
// -------------------------------------------------------------------- |
typedef struct |
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 |
{ |
int pixel[]; |
} line_s; |
pixels_per_line >= 4; |
pixels_per_line % 2 == 0; |
pixels_per_line <= 16384; |
} |
|
// -------------------------------------------------------------------- |
typedef struct |
constraint default_lines_per_frame |
{ |
int x; |
int y; |
} frame_coordinate_t; |
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 |
|
// -------------------------------------------------------------------- |
typedef int flattened_frame_t[]; |
typedef int unsigned video_array_t[][]; |
function void init |
( |
int pixels_per_line, |
int lines_per_frame, |
int bits_per_pixel, |
int pixels_per_clk = 1, |
string name = "" |
); |
log.info($sformatf("%m")); |
this.pixels_per_line = pixels_per_line; |
this.lines_per_frame = lines_per_frame; |
this.bits_per_pixel = bits_per_pixel; |
this.pixels_per_clk = pixels_per_clk; |
this.name = name; |
this.bytes_per_pixel = (bits_per_pixel % 8 == 0) |
? (bits_per_pixel / 8) |
: (bits_per_pixel / 8) + 1; |
|
this.make_constant(0); |
endfunction: init |
|
// -------------------------------------------------------------------- |
`include "video_frame_config.svh" |
`include "video_frame_class.svh" |
task write_pixel(frame_coordinate_t coordinate, int pixel); |
this.lines[coordinate.y].pixel[coordinate.x] = pixel; |
endtask: write_pixel |
|
// -------------------------------------------------------------------- |
function int read_pixel(frame_coordinate_t coordinate); |
read_pixel = this.lines[coordinate.y].pixel[coordinate.x]; |
endfunction: read_pixel |
|
// -------------------------------------------------------------------- |
function flattened_frame_t flatten_frame(); |
int i = 0; |
log.info($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 |
|
// -------------------------------------------------------------------- |
endpackage: video_frame_pkg |