Show Thumbnails for Videos

[fromage9747]

@copiis

'enable_previews' => true,
  'enabledPreviewProviders' =>
  array (
    'OC\Preview\Movie',
    'OC\Preview\PNG',
    'OC\Preview\JPEG',
    'OC\Preview\GIF',
    'OC\Preview\BMP',
    'OC\Preview\XBitmap',
    'OC\Preview\MP3',
    'OC\Preview\MP4',
    'OC\Preview\TXT',
    'OC\Preview\MarkDown',
    'OC\Preview\PDF'
  ),

Using Nextcloud v19. All I needed to do was this and my video thumbnails were produced