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Merge pull request #40731 from nextcloud/imaginary-performance

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Generate all preview sizes for Imaginary
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Daniel Hansson 2023-10-09 11:54:03 +02:00 committed by GitHub
commit 06efe9f211
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1 changed files with 0 additions and 36 deletions
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36
lib/private/Preview/Generator.php
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@ -139,23 +139,6 @@ class Generator {
$previewVersion = $file->getPreviewVersion() . '-';
}
// If imaginary is enabled, and we request a small thumbnail,
// let's not generate the max preview for performance reasons
if (count($specifications) === 1
&& ($specifications[0]['width'] <= 256 || $specifications[0]['height'] <= 256)
&& preg_match(Imaginary::supportedMimeTypes(), $mimeType)
&& $this->config->getSystemValueString('preview_imaginary_url', 'invalid') !== 'invalid') {
$crop = $specifications[0]['crop'] ?? false;
$preview = $this->getSmallImagePreview($previewFolder, $previewFiles, $file, $mimeType, $previewVersion, $crop);
if ($preview->getSize() === 0) {
$preview->delete();
throw new NotFoundException('Cached preview size 0, invalid!');
}
return $preview;
}
// Get the max preview and infer the max preview sizes from that
$maxPreview = $this->getMaxPreview($previewFolder, $previewFiles, $file, $mimeType, $previewVersion);
$maxPreviewImage = null; // only load the image when we need it
@ -231,25 +214,6 @@ class Generator {
return $preview;
}
/**
* Generate a small image straight away without generating a max preview first
* Preview generated is 256x256
*
* @param ISimpleFile[] $previewFiles
*
* @throws NotFoundException
*/
private function getSmallImagePreview(ISimpleFolder $previewFolder, array $previewFiles, File $file, string $mimeType, string $prefix, bool $crop): ISimpleFile {
$width = 256;
$height = 256;
try {
return $this->getCachedPreview($previewFiles, $width, $height, $crop, $mimeType, $prefix);
} catch (NotFoundException $e) {
return $this->generateProviderPreview($previewFolder, $file, $width, $height, $crop, false, $mimeType, $prefix);
}
}
/**
* Acquire a semaphore of the specified id and concurrency, blocking if necessary.
* Return an identifier of the semaphore on success, which can be used to release it via