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|
#!/usr/bin/perl
#
# $Id: quick.t,v 1.2 2011/04/28 10:15:47 simakov Exp $
#
# EPSILON - wavelet image compression library.
# Copyright (C) 2006-2011 Alexander Simakov, <xander@entropyware.info>
#
# Quick verification test for generic EPSILON build.
# This file is part of EPSILON
#
# EPSILON 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 3 of the License, or
# (at your option) any later version.
#
# EPSILON 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 EPSILON. If not, see <http://www.gnu.org/licenses/>.
#
# http://epsilon-project.sourceforge.net
#
use strict;
use warnings;
use Readonly;
Readonly our $VERSION => qw($Revision: 1.2 $) [1];
use English qw( -no_match_vars );
use File::Temp qw(tempdir tempfile);
use File::Spec::Functions;
use File::Basename;
#use Smart::Comments;
use FindBin qw($Bin);
FindBin::again();
use lib "$Bin/../lib";
use EPSILON::Utils qw(
run_epsilon
get_image_path
get_rnd_string
);
use Test::More;
use Test::Exception;
use Test::PBM::PSNR;
Readonly my $TMP_DIR => tempdir( 'quick_XXXX', TMPDIR => 1, CLEANUP => 0 );
### TMP_DIR: $TMP_DIR
Readonly my $RND_SUFFIX_LENGTH => 4;
Readonly my $BUILD_TAG => 'generic';
Readonly my $CHECKS_PER_IMAGE => 3;
Readonly my %TEST_IMAGES => (
'gray_dot.pgm' => 60.00,
'horizontal_gradient.pgm' => 49.50,
'vertical_gradient.pgm' => 49.80,
'red_dot.ppm' => {
min_Y_psnr => 58.60,
min_Cb_psnr => 54.10,
min_Cr_psnr => 63.50,
},
'horizontal_rainbow.ppm' => {
min_Y_psnr => 49.00,
min_Cb_psnr => 40.00,
min_Cr_psnr => 36.00,
},
'vertical_rainbow.ppm' => {
min_Y_psnr => 52.40,
min_Cb_psnr => 31.50,
min_Cr_psnr => 40.10,
},
'nirvana.ppm' => {
min_Y_psnr => 55.20,
min_Cb_psnr => 44.50,
min_Cr_psnr => 42.90,
},
);
# Set to 0 if you want to check reconstructed files visually
Readonly my $CLEANUP_RECONSTRUCTED_FILES => 1;
sub set_test_plan {
plan tests => $CHECKS_PER_IMAGE * keys %TEST_IMAGES;
return;
}
sub quick_test {
foreach my $image_ext ( keys %TEST_IMAGES ) {
# Set minimal compression ratio to get hightest PSNR possible
my $epsilon_encode_options
= "--ratio 1.001 --output-dir '$TMP_DIR' --quiet";
# Encode file
lives_ok {
run_epsilon(
build_tag => $BUILD_TAG,
epsilon_options => $epsilon_encode_options,
file => get_image_path($image_ext),
);
}
"[$BUILD_TAG] Encode '$image_ext' with epsilon options: "
. "'$epsilon_encode_options'";
my ( $image, undef, $ext )
= fileparse( $image_ext, qr/[.](?:pgm|ppm)/xms );
$ext =~ s/\A[.]//xms; # remove leading dot
my $reconstructed_image
= $image . '_reconstructed_' . get_rnd_string($RND_SUFFIX_LENGTH);
# Rename encoded file: add random suffix
rename catfile( $TMP_DIR, "$image.psi" ),
catfile( $TMP_DIR, "$reconstructed_image.psi" );
my $epsilon_decode_options = '--decode-file --quiet';
# Decode file
lives_ok {
run_epsilon(
build_tag => $BUILD_TAG,
epsilon_options => $epsilon_decode_options,
file => catfile( $TMP_DIR, "$reconstructed_image.psi" ),
);
}
"[$BUILD_TAG] Decode '$reconstructed_image.psi' with epsilon options: "
. "'$epsilon_decode_options'";
# Check PSNR
my $result;
if ( $ext eq 'pgm' ) {
$result = is_pgm_image_psnr(
original_image => get_image_path($image_ext),
reconstructed_image =>
catfile( $TMP_DIR, "$reconstructed_image.$ext" ),
min_psnr => $TEST_IMAGES{$image_ext},
);
}
else {
$result = is_ppm_image_psnr(
original_image => get_image_path($image_ext),
reconstructed_image =>
catfile( $TMP_DIR, "$reconstructed_image.$ext" ),
%{ $TEST_IMAGES{$image_ext} },
);
}
if ($result) {
# PSNR is ok, unlink temporary files
unlink catfile( $TMP_DIR, "$reconstructed_image.psi" );
if ($CLEANUP_RECONSTRUCTED_FILES) {
unlink catfile( $TMP_DIR, "$reconstructed_image.$ext" );
}
}
}
return;
}
sub run_tests {
set_test_plan();
quick_test();
return;
}
run_tests();
END {
# Removes empty dir only
rmdir $TMP_DIR;
}
|
