streams/Code/Thumbs/Video.php

<?php

namespace Code\Thumbs;

use Code\Storage\Stdio;

class Video
{

    public function MatchDefault($type)
    {
        return (($type === 'video') ? true : false);
    }

    public function Thumb($attach, $preview_style, $height = 300, $width = 300)
    {

        $photo = false;

        $t = explode('/', $attach['filetype']);
        if ($t[1]) {
            $extension = '.' . $t[1];
        } else {
            return;
        }


        $file = dbunescbin($attach['content']);
        $tmpfile = $file . $extension;
        $outfile = $file . '.jpg';

        Stdio::fcopy($file,$tmpfile);
    
        /*
         * Note: imagick convert may try to call 'ffmpeg' (or other conversion utilities) under
         * the covers for this particular operation. If this is not installed or not in the path
         * for the web server user, errors may be reported in the web server logs.
         */


        $ffmpeg = trim(shell_exec('which ffmpeg'));
        if (!$ffmpeg) {
            logger('ffmpeg not found in path. Video thumbnails may fail.');
        }

        $imagick_path = get_config('system', 'imagick_convert_path');
        if ($imagick_path && @file_exists($imagick_path)) {
            $cmd = $imagick_path . ' ' . escapeshellarg(PROJECT_BASE . '/' . $tmpfile . '[0]') . ' -resize ' . $width . 'x' . $height . ' ' . escapeshellarg(PROJECT_BASE . '/' . $outfile);
            //  logger('imagick thumbnail command: ' . $cmd);

            /** @scrutinizer ignore-unhandled */
            @exec($cmd);

            if (!file_exists($outfile)) {
                logger('imagick scale failed.');
            } else {
                @rename($outfile, $file . '.thumb');
            }
        }

        @unlink($tmpfile);
    }
}