<?php /** * @file * Ffmpeg wrapper class */ /** * FFMpeg wrapper class for generating movie thumbnails * * This Class implements the methods defined in the STANDARD_QT content model */ class Ffmpeg { /** * Default constructor */ function Ffmpeg() { } /** * Extract a thumbnail from the movie * @param type $parameterArray * @param type $dsid * @param type $file * @param type $file_ext * @return type */ function extract_thumbnail($parameterArray, $dsid, $file, $file_ext) { $defaults = array('ss' => '00:00:10', 's' => NULL); $params = array_merge($defaults, $parameterArray); $system = getenv('System'); $file_suffix = '_' . $dsid . '.' . $file_ext; $returnValue = TRUE; $output = array(); $size = ''; if ($params['s'] != NULL) { $size = ' -s ' . escapeshellarg($params['s']); } exec('ffmpeg -i ' . escapeshellarg($file) . ' -r 1 -ss ' . escapeshellarg($params['ss']) . ' ' . $size . ' -t 1 ' . escapeshellarg($file . $file_suffix)); if (!file_exists($file . $file_suffix)) { return FALSE; } $_SESSION['fedora_ingest_files']["$dsid"] = $file . $file_suffix; return TRUE; } }