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|
--TEST--
avif decoding/encoding tests
--EXTENSIONS--
gd
--SKIPIF--
<?php
if (!function_exists("imagecreatefrompng") || !function_exists("imagepng")) {
die("skip png support unavailable");
}
if (!function_exists("imagecreatefromavif") || !function_exists("imageavif")) {
die("skip avif support unavailable");
}
?>
--FILE--
<?php
require_once __DIR__ . '/similarity.inc';
$infile = __DIR__ . '/girl.avif';
$outfile = __DIR__ . '/test.avif';
echo 'Decoding AVIF image: ';
$img = imagecreatefromavif($infile);
echo_status($img);
echo 'Default AVIF encoding: ';
echo_status(imageavif($img, $outfile));
echo 'Encoding AVIF at quality 70: ';
echo_status(imageavif($img, $outfile, 70));
echo 'Encoding AVIF at quality 70 with speed 5: ';
echo_status(imageavif($img, $outfile, 70, 5));
echo 'Encoding AVIF with default quality: ';
echo_status(imageavif($img, $outfile, -1));
echo 'Encoding AVIF with illegal quality: ';
try {
imageavif($img, $outfile, 1234);
} catch (\ValueError $e) {
echo $e->getMessage() . PHP_EOL;
}
echo 'Encoding AVIF with illegal speed: ';
try {
imageavif($img, $outfile, 70, 1234);
} catch (\ValueError $e) {
echo $e->getMessage() . PHP_EOL;
}
echo 'Encoding AVIF losslessly... ';
echo_status(imageavif($img, $outfile, 100, 0));
echo "Decoding the AVIF we just wrote...\n";
$img_from_avif = imagecreatefromavif($outfile);
// Note we could also forgive a certain number of pixel differences.
// With the current test image, we just didn't need to.
echo 'How many pixels are different in the two images? ';
print_r(calc_image_dissimilarity($img, $img_from_avif));
unlink($outfile);
function echo_status($success) {
echo $success ? "ok\n" : "failed\n";
}
?>
--EXPECT--
Decoding AVIF image: ok
Default AVIF encoding: ok
Encoding AVIF at quality 70: ok
Encoding AVIF at quality 70 with speed 5: ok
Encoding AVIF with default quality: ok
Encoding AVIF with illegal quality: imageavif(): Argument #3 ($quality) must be between -1 and 100
Encoding AVIF with illegal speed: imageavif(): Argument #4 ($speed) must be between -1 and 10
Encoding AVIF losslessly... ok
Decoding the AVIF we just wrote...
How many pixels are different in the two images? 0
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