The following is the config.php configuration：
‘preview_concurrency_new’ => 4,
‘preview_concurrency_all’ => 8,
‘preview_max_filesize_image’ => 100,
‘preview_max_memory’ => 1024,
‘preview_max_x’ => 16384,
‘preview_max_y’ => 8192,
‘preview_max_scale_factor’ => 10,
‘jpeg_quality’ => 100,
‘enabledPreviewProviders’ =>
array (
0 => ‘OC\Preview\TXT’,
1 => ‘OC\Preview\MarkDown’,
2 => ‘OC\Preview\OpenDocument’,
3 => ‘OC\Preview\PDF’,
4 => ‘OC\Preview\MSOffice2003’,
5 => ‘OC\Preview\MSOfficeDoc’,
6 => ‘OC\Preview\Image’,
7 => ‘OC\Preview\Photoshop’,
8 => ‘OC\Preview\TIFF’,
9 => ‘OC\Preview\SVG’,
10 => ‘OC\Preview\Font’,
11 => ‘OC\Preview\MP3’,
12 => ‘OC\Preview\Movie’,
13 => ‘OC\Preview\MKV’,
14 => ‘OC\Preview\MP4’,
15 => ‘OC\Preview\AVI’,
16 => ‘OC\Preview\HEIC’,
),