<?php
/**
 * $Id: handler.video.php,v 1.10 2004/11/29 22:04:34 openface Exp $      
 *
 *               _ _        _         _                 
 *  _ __  ___ __| (_)__ _  (_)_ _  __| |_____ _____ _ _ 
 * | '  \/ -_) _` | / _` | | | ' \/ _` / -_) \ / -_) '_|
 * |_|_|_\___\__,_|_\__,_| |_|_||_\__,_\___/_\_\___|_|  
 *                                                     
 *     Standalone Indexer Script for Media Files
 *        jason hines, <hide@address.com>
 *
 * This library is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Library General Public License as
 * published by the Free Software Foundation; either version 2 of the
 * License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library
 * General Public License for more details.
 */

/* video thumbnail directory */
define("_VIDTHUMBPATH",_CACHEPATH."/vidthumbs");  
define("_VIDTHUMBURL",_CACHEURL."/vidthumbs");

/* path to ffmpeg binary */
define("_FFMPEG","/usr/bin/ffmpeg");

/**
 * Group handler class for videos.  Uses FFMpeg to generate
 * thumbnails of the video files.  Specific handlers may
 * extend this class. (such as realplayer,quicktime,etc)
 *
 * @version     $Revision: 1.10 $
 * @package     mediaIndexer
 * @subpackage  handlers
 * @author      jason hines, <hide@address.com>
 */

class videoHandler extends defaultHandler {

    public $iconName = "video.gif";

    public function videoHandler() {
        if (!is_executable(_FFMPEG)) {
            _addMessage("WARNING! ". _FFMPEG . " not found. Is ffmpeg installed?");
        }
    }

    // ffmpeg -y -t 00:00:00.01 -f mov -i YouAre.mov -s 80x80 -f singlejpeg test.jpg
    public function printListing(file $file) {
        // generate thumbnail image if not exists
        $ext = _getExtension($file->path);
        $tname = $file->hash . ".jpg";
        if (!file_exists(_VIDTHUMBPATH."/".$tname) || filesize(_VIDTHUMBPATH."/".$tname)==0) {
            if (!is_writable(_VIDTHUMBPATH)) {
                mkdir(_VIDTHUMBPATH);
            }

            // thumnail doesn't exist, generate it
            //_addMessage("Generating video thumbnail ".basename($file->path)." ...");
            $cmd = _FFMPEG ." -y -t 00:00:00.1 -i "._MEDIAPATH.escapeshellarg($file->path)." -s "._THUMBSIZE." -f singlejpeg "._VIDTHUMBPATH."/{$tname}";
            exec($cmd,$out,$ret);
            if ($ret != 0) {
              //_addMessage("Unable to generate video thumbnail ".basename($file->path).".");
              $imgurl = _BASEURL."/img/na.gif";
            } else {
                $imgurl = _VIDTHUMBURL."/{$tname}";
            }
        } else {
            $imgurl = _VIDTHUMBURL."/{$tname}";
        }
        echo "<a href=\"?file="._encodeuri($file->path)."\">";
        echo "<img class=\"fade\" src=\"{$imgurl}\" alt=\"{$file->path} Video Thumbnail\" border=\"0\" align=\"left\" />";
        echo _truncate($file->title,25) . "</a><br />";
        echo "<small>({$file->filesize})</small>\n";
        if (!empty($file->desc)) {
            echo "<div class=\"description\">" . _parseText($file->desc) . "</div>\n";
        }
        echo "<br />";
    }

}

?>