zhouhua/jpeg_ls_for_7v690t_ref_to_charls
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Expand JPEG-LS parameter helpers toward NEAR 255

Browse Source
This commit is contained in:
zhouhua
2026-04-16 23:27:47 +08:00
parent 96a60ff32b
commit 827d925b4a
6 changed files with 278 additions and 324 deletions
Download Patch File Download Diff File Expand all files Collapse all files

26
fpga/sim/tb_jls_coding_params.sv
View File

@@ -12,11 +12,11 @@
module tb_jls_coding_params;
// NEAR stimulus shared by all parameterized instances.
logic [5:0] near_8;
logic [5:0] near_10;
logic [5:0] near_12;
logic [5:0] near_14;
logic [5:0] near_16;
logic [7:0] near_8;
logic [7:0] near_10;
logic [7:0] near_12;
logic [7:0] near_14;
logic [7:0] near_16;
// DUT outputs.
logic [16:0] range_8;
@@ -81,11 +81,11 @@ module tb_jls_coding_params;
);
initial begin
near_8 = 6'd0;
near_10 = 6'd16;
near_12 = 6'd31;
near_14 = 6'd8;
near_16 = 6'd0;
near_8 = 8'd0;
near_10 = 8'd16;
near_12 = 8'd31;
near_14 = 8'd8;
near_16 = 8'd0;
#1;
if (range_8 !== 17'd256 || qbpp_8 !== 5'd8 || limit_8 !== 7'd32) begin
@@ -108,11 +108,11 @@ module tb_jls_coding_params;
$fatal(1, "16-bit NEAR=0 coding params mismatch");
end
near_8 = 6'd63;
near_16 = 6'd31;
near_8 = 8'd63;
near_16 = 8'd31;
#1;
if (range_8 !== 17'd6 || qbpp_8 !== 5'd3 || limit_8 !== 7'd32) begin
if (range_8 !== 17'd4 || qbpp_8 !== 5'd2 || limit_8 !== 7'd32) begin
$fatal(1, "8-bit defensive NEAR clamp mismatch");
end

28
fpga/sim/tb_jls_preset_defaults.sv
View File

@@ -12,12 +12,12 @@
module tb_jls_preset_defaults;
// Test NEAR inputs.
logic [5:0] near_8b_0;
logic [5:0] near_8b_31;
logic [5:0] near_10b_4;
logic [5:0] near_12b_1;
logic [5:0] near_14b_2;
logic [5:0] near_16b_63;
logic [7:0] near_8b_0;
logic [7:0] near_8b_31;
logic [7:0] near_10b_4;
logic [7:0] near_12b_1;
logic [7:0] near_14b_2;
logic [7:0] near_16b_63;
// Preset outputs for each instance under test.
logic [15:0] maxval_8b_0;
@@ -118,12 +118,12 @@ module tb_jls_preset_defaults;
);
initial begin
near_8b_0 = 6'd0;
near_8b_31 = 6'd31;
near_10b_4 = 6'd4;
near_12b_1 = 6'd1;
near_14b_2 = 6'd2;
near_16b_63 = 6'd63;
near_8b_0 = 8'd0;
near_8b_31 = 8'd31;
near_10b_4 = 8'd4;
near_12b_1 = 8'd1;
near_14b_2 = 8'd2;
near_16b_63 = 8'd63;
#1;
@@ -157,8 +157,8 @@ module tb_jls_preset_defaults;
$fatal(1, "14-bit NEAR=2 defaults mismatch");
end
if (maxval_16b_63 !== 16'hFFFF || t1_16b_63 !== 16'd111 ||
t2_16b_63 !== 16'd222 || t3_16b_63 !== 16'd493 ||
if (maxval_16b_63 !== 16'hFFFF || t1_16b_63 !== 16'd207 ||
t2_16b_63 !== 16'd382 || t3_16b_63 !== 16'd717 ||
reset_16b_63 !== 16'd64) begin
$fatal(1, "16-bit NEAR clamp defaults mismatch");
end