<?php

/**
 * Checks all of their PHP settings to make sure that their PHP directives are all set according to the recommended settings.
 */

function _flashvideo_get_php_settings() {
   $file_uploads           =  ini_get('file_uploads');         // Whether or not to allow HTTP file uploads
   $post_max_size          =  ini_get('post_max_size');        // Get their Max Post size.
   $upload_max_filesize    =  ini_get('upload_max_filesize');  // Get their Max Upload size.
   $max_execution_time     =  ini_get('max_execution_time');   // Get their Max Execution Time.
   $max_input_time         =  ini_get('max_input_time');       // This sets the maximum time in seconds a script is allowed to parse input data, like POST, GET and file uploads 
   
   // Give them an error if they have file uploads turned off.
   if($file_uploads != "1") {
      drupal_set_message('File uploads (file_uploads) are not enabled in your php.ini file. The FlashVideo module will not work unless this directive is set.', 'error');
   }
   
   $output = '<p><b>IMPORTANT NOTE:</b>&nbsp;&nbsp;In order for the FlashVideo module to work according to design, ';
   $output .= 'some parameters need to be set in your <b>php.ini</b> file or the root <b>.htaccess</b> file.  These parameters are as follows...</p>';
   $output .= '<p style="padding-left: 10px;"><ul>';
   $output .=  '<li><em>post_max_size</em> - The maximum allowed POST size.  Must be greater than or equal to Maximum Upload Size.</li>';
   $output .=  '<li><em>upload_max_filesize</em> - The maximum allowed file upload size.</li>';
   $output .=  '<li><em>max_execution_time</em> - The maximum allowed time (in seconds) that a script is allowed to run.  Needed for long file conversions.</li>';
   $output .=  '<li><em>max_input_time</em> - The maximum time (in seconds) a script is allowed to parse input data, like POST, GET and file uploads.  Needed to keep large uploads from timing out.</li>';   
   $output .= '</ul></p>';
   $output .= '<p>The following shows the recommended values for these parameters followed by your current settings.</p>';
   $output .= '<p style="padding-left: 10px;"><ul>';
   $output .=     '<li><b>Recommended Settings:</b><br/>';
   $output .=        '<ul>';
   $output .=           '<li><em>post_max_size=100M</em></li>';
   $output .=           '<li><em>upload_max_filesize=100M</em></li>';
   $output .=           '<li><em>max_execution_time=1000</em></li>';
   $output .=           '<li><em>max_input_time=1000</em></li>';   
   $output .=        '</ul>';
   $output .=     '</li>';
   $output .=     '<li><b>Your current Settings:</b><br/>';
   $output .=        '<ul>';   
   $output .=           '<li><em>post_max_size='. $post_max_size .'</em></li>';
   $output .=           '<li><em>upload_max_filesize='. $upload_max_filesize .'</em></li>';
   $output .=           '<li><em>max_execution_time='. $max_execution_time .'</em></li>';
   $output .=           '<li><em>max_input_time='. $max_input_time .'</em></li>';   
   $output .=        '</ul>';
   $output .=     '</li>';
   $output .= '</ul></p>';
   $output .= '<p><b>Warning:  Please consult your hosting provider or a professional before making the Recommeneded changes.  Drupal or the writers of the FlashVideo module will not be held responsible for any malfunctions due to this change.  Change these PHP settings at your own risk!</b></p><br/>';
   
   return $output;
}

/**
 * The main settings page : Administer >> FlashVideo Settings.
 *
 * @return A drupal form showing a list of all node types for the FlashVideo Module.
 *
 */
function flashvideo_settings() {
  
   //Must have "administer site configuration" and "administer flashvideo" privilages.
   if (!user_access('administer flashvideo') || !user_access('administer site configuration')) {
      drupal_access_denied();
   }
  
   // We need to change the max upload size, and also add the extensions to the file uploads.
   $size = variable_get('upload_uploadsize_default', 1);
   $user_size = variable_get('upload_usersize_default', 1);
  
   if($size == 1)
      variable_set('upload_uploadsize_default', 100);
   
   if($user_size == 1)
      variable_set('upload_usersize_default', 1000);
  
   /**
    *    Add any new extensions to the upload allowed extensions.
    */
    
   $extensions = variable_get('upload_extensions_default', 'jpg jpeg gif png txt html doc xls pdf ppt pps');
   $filetypes = flashvideo_get_allowed_filetypes();
   foreach($filetypes as $ext => $filetype) {
      if($filetypes[$ext]['mimetype'] && strpos($extensions, $ext) === FALSE)
         $extensions .= ' ' . $ext;
   }
   variable_set('upload_extensions_default', $extensions);
  
   $header = array(t('NodeType'), t('Status'), t('Operations'));
  
   // Create a list of all node types.
   $types = node_get_types();

   $status = flashvideo_variable_get(NULL, 'flashvideo_global_enable', 0) ? '(Enabled)' : '(Disabled)';
   $rows[] = array("Global Settings", $status, l(t('Global FlashVideo Settings (For all node types).'), "admin/settings/flashvideo/edit/global"));
  
   foreach($types as $type)
   {
      $status = flashvideo_variable_get($type->type, 'enable', 0) ? '(Enabled)' : '(Disabled)';
      $rows[] = array($type->name, $status, l(t('FlashVideo Settings for this node type.'), "admin/settings/flashvideo/edit/$type->type"));
   }
  
   $output = _flashvideo_get_php_settings();
   $output .= '<p><strong>Global FlashVideo Settings</strong> - The global settings allow you to make changes to all node types by using one configuration.  Please note, however, that if any node specific parameters are specified, they will override the Global Settings for that node type.  Also note that some variables are not node type specific (such as the FFMPEG binary path)... For these variables, you will ONLY find them in the Global FlashVideo Parameters section.</p><br/>';
   $output .= theme('table', $header, $rows);  
   return $output;  
}

/**
 * The main settings page called when a node type is selected in the Administer >> FlashVideo Settings.
 *
 * @return A drupal form for the correct node type.
 *
 */
function flashvideo_settings_main() {
   //Must have "administer site configuration" and "administer flashvideo" privilages.
   if (!user_access('administer flashvideo') || !user_access('administer site configuration')) {
      drupal_access_denied();
   }

   $args = func_get_args();
   $node_type = $args[0];

   if($node_type)
   {
      return drupal_get_form('flashvideo_settings_form', $node_type);
   }
}

/**
 * The FlashVideo Settings form.
 *
 * @param $node_type
 *   The node type for given settings form.
 *
 * @return A completed form array.
 *
 */
function flashvideo_settings_form() {

   $args = func_get_args();
   $node_type = $args[1];  
     
   $form['flashvideo_' . $node_type . '_enable'] = array(
      '#type' => 'checkbox',
      '#title' => t('Enable the FlashVideo for this Node Type'),
      '#default_value' => flashvideo_variable_get($node_type, 'enable', 0),
      '#description' => t("Enable the FlashVideo for this Node Type.")
   );
     
   $form['flashvideo_' . $node_type . '_require'] = array(
      '#type' => 'checkbox',
      '#title' => t('Require the FlashVideo for this node type.'),
      '#default_value' => flashvideo_variable_get($node_type, 'require', 0),
      '#description' => t("If checked, the video will be required to submit this node type.")
   );

   $form['flashvideo_' . $node_type . '_status'] = array(
      '#type' => 'checkbox',
      '#title' => t('Change Node Status after Conversion.'),
      '#default_value' => flashvideo_variable_get($node_type, 'status', 1),
      '#description' => t('If checked, the status for the node containing the video will be changed to "Published" after a successful video conversion.')
   );

   $form['flashvideo_' . $node_type . '_convert'] = array(
      '#type' => 'checkbox',
      '#title' => t('Convert videos immediately.'),
      '#default_value' => flashvideo_variable_get($node_type, 'convert', 0),
      '#description' => t('If checked, an attempt will be made to convert videos to Flashvideo (*.flv) files immediately after adding or editing a node, without having to wait for cron.')
   );   
   
   if($node_type == 'global') { 
      $form['flashvideo_import'] = array(
         '#type' => 'textfield',
         '#title' => t('Video Import Directory.'),
         '#default_value' => flashvideo_variable_get(NULL, 'flashvideo_import', 'video_import'),
         '#description' => t("The Video Import Directory is a directory located within your <strong>files</strong> directory dedicated specifically for video importing.  The FlashVideo Module will then scan all files within this directory and automatically add all video files to your drupal site, convert them, and move them to your output directory... automagically")
      );
      
      $types = node_get_types();
      $node_types = array();
      foreach($types as $type) {
         if(flashvideo_variable_get($type->type, 'enable', 0)) {
            $node_types[$type->type] = $type->type; 
         }
      }
   
      $form['flashvideo_importtype'] = array(
         '#title' => t('Video Import Node Type'),
         '#type' => 'select',
         '#options' => $node_types,
         '#default_value' => flashvideo_variable_get(NULL, 'flashvideo_importtype', 'page'),
         '#description' => t('Select which node type you would like to create with each imported video.  The FlashVideo Settings must be enabled for that node type for it to show up in this list.')
      );   
   }

   $form['flashvideo_' . $node_type . '_title'] = array(
      '#title' => t('FlashVideo Upload Title'),
      '#type' => 'textfield',
      '#default_value' => flashvideo_variable_get($node_type, 'title', t('Video Upload')),
      '#maxlength' =>  128,
      '#description' => t('The title for the Video Upload for this node.')
   );

   $form['flashvideo_' . $node_type . '_weight'] = array(
      '#title' => t('FlashVideo Upload Weight'),
      '#type' => 'textfield',
      '#default_value' => flashvideo_variable_get($node_type, 'weight', -10),
      '#maxlength' =>  10,
      '#description' => t('Determines how high in the submit form you would like to have the video upload. The lower the value, the higher the placement.')
   );

   $form['flashvideo_' . $node_type . '_mode'] = array(
      '#title' => t('Window Mode'),
      '#type' => 'select',
      '#options' => array('none' => 'none', 'transparent' => 'transparent', 'window' => 'window'),
      '#default_value' => flashvideo_variable_get($node_type, 'mode', 'window'),
      '#description' => t('Selects which window mode you would like for your player to operate under (denoted by the <b>wmode</b> parameter in the object code)
         <ul>
            <li><b>none</b> - <em>No window mode</em></li>
            <li><b>wmode=transparent</b> - <em>Allows for other elements to drop in front of the video (like a drop-down list), without the video showing over those elements.</em></li>
            <li><b>wmode=window</b> - <em>Allows for the video to have full-screen support.</em></li>
         </ul>')
   );   
   
  	$form['flashvideo_' . $node_type . '_download'] = array(
      '#type' => 'checkbox',
      '#title' => t('Attach Video Player Download Link'),
      '#default_value' => flashvideo_variable_get($node_type, 'download', 0),
      '#description' => t("Add a link to download the player at the bottom of the Video object.")
   );

   $form['flashvideo_' . $node_type . '_downloadfile'] = array(
      '#type' => 'checkbox',
      '#title' => t('Add an original video download Link'),
      '#default_value' => flashvideo_variable_get($node_type, 'downloadfile', 0),
      '#description' => t("Add a link to download the original video at the bottom of the player.")
   );
   
   $form['flashvideo_' . $node_type . '_attachment'] = array(
      '#type' => 'checkbox',
      '#title' => t('Show Videos as Attachments'),
      '#default_value' => flashvideo_variable_get($node_type, 'attachment', 0),
      '#description' => t("Checking this box will show all videos in the attachments section of this node type.")
   );    
   
   if($node_type == 'global') {    
      $form['flashvideo_video_filetypes'] = array(
         '#title' => t('<em>[FileType, MimeType, DefaultPlayer]</em> configuration'),
         '#type' => 'textarea',
         '#rows' => 5,
         '#default_value' => flashvideo_variable_get(NULL, 'flashvideo_video_filetypes', FLASHVIDEO_FILETYPE_STRING),
         '#maxlength' =>  1024,
         '#description' => t('This section governs which video types (usually the extension) can be used by this module as well as the mimetype, and default player for each.  Use the format <strong>[FileType, MimeType, Player]</strong> to add new ones.  If the FileType does not have a valid MimeType, then just use <strong>0</strong>.  Also, the default player is referenced as the text after <strong>theme_flashvideo_play_</strong>, so if you wish to add a new player to flashvideo_objects.inc, you should not need to touch the flashvideo.module file.')
      );
      
      $form['flashvideo_mimetypes'] = array(
         '#title' => t('Flash Mime Types'),
         '#type' => 'textarea',
         '#rows' => 5,
         '#default_value' => flashvideo_variable_get(NULL, 'flashvideo_mimetypes', FLASHVIDEO_MIMETYPE_STRING),
         '#maxlength' =>  1024,
         '#description' => t('The mimetypes that will be considered a Flash Video.')
      ); 
   }    

   $form['performance'] = array('#type' => 'fieldset', '#title' => t('Performance'), '#collapsible' => TRUE, '#collapsed' => TRUE);
   $form['performance']['flashvideo_' . $node_type . '_searchthumb'] = array(
      '#type' => 'checkbox',
      '#title' => t('Search for thumbnails in the Node Body.'),
      '#default_value' => flashvideo_variable_get($node_type, 'searchthumb', 0),
      '#description' => t("Checking this box will allow you to have video thumbnails in the Node body, at a performance cost.")
   );
     
   $form['performance']['flashvideo_' . $node_type . '_searchvideo'] = array(
      '#type' => 'checkbox',
      '#title' => t('Search for videos in the Node Teaser.'),
      '#default_value' => flashvideo_variable_get($node_type, 'searchvideo', 0),
      '#description' => t("Checking this box will allow you to have video objects in the Node Teasers, at a slight performance cost.")
   );

   $form['player'] = array('#type' => 'fieldset', '#title' => t('Flash Player Settings'), '#description' => t('Settings for the Flash Player'), '#collapsible' => TRUE, '#collapsed' => TRUE);
   $form['player']['flashvideo_' . $node_type . '_player'] = array(
      '#title' => t('Flash Player Name'),
      '#type' => 'textfield',
      '#default_value' => flashvideo_variable_get($node_type, 'player', 'Player.swf'),
      '#maxlength' =>  128,
      '#description' => t('The name of the Flash Player.  Note:  This player MUST reside in the output directory to work.'),
      '#required' => TRUE
   );

   $form['player']['flashvideo_' . $node_type .'_logo'] = array(
      '#title' => t('Flash Player Logo'),
      '#type' => 'textfield',
      '#default_value' => flashvideo_variable_get($node_type, 'logo', ''),
      '#maxlength' =>  128,
      '#description' => t('The name of the logo file to place as a watermark in the bottom right of the Flash Player.  Example: <b>logo.png</b>  Note:  This logo MUST reside in the same directory as the player.'),
      '#required' => FALSE
   );

   $form['player']['flashvideo_' . $node_type .'_logolink'] = array(
      '#title' => t('Watermark (Logo) Link'),
      '#type' => 'textfield',
      '#default_value' => flashvideo_variable_get($node_type, 'logolink', ''),
      '#maxlength' =>  128,
      '#description' => t('The URL in which you would like your watermark (logo) to link too.'),
      '#required' => FALSE
   );

   $form['player']['flashvideo_' . $node_type .'_intro'] = array(
      '#title' => t('Flash Player Intro Video'),
      '#type' => 'textfield',
      '#default_value' => flashvideo_variable_get($node_type, 'intro', ''),
      '#maxlength' =>  128,
      '#description' => t('The name of an intro video file to play at the beginning of all video files.  Example: <b>intro.flv</b>  Note:  This logo MUST be a *.flv file and MUST reside in the same directory as the player.'),
      '#required' => FALSE
   );

   $form['player']['flashvideo_' . $node_type .'_introimg'] = array(
      '#title' => t('Flash Player Intro Image'),
      '#type' => 'textfield',
      '#default_value' => flashvideo_variable_get($node_type, 'introimg', ''),
      '#maxlength' =>  128,
      '#description' => t('If your intro does not need to be a video, you can just specify an intro image here.  This dramatically saves on bandwidth.  Example: <b>intro.png</b>  Note:  This logo MUST reside in the same directory as the player.'),
      '#required' => FALSE
   );

   $form['player']['flashvideo_' . $node_type .'_introthumb'] = array(
      '#type' => 'checkbox',
      '#title' => t('Use Thumbnail as Intro Image.'),
      '#default_value' => flashvideo_variable_get($node_type, 'introthumb', 1),
      '#description' => t("Check this checkbox if you would like to use the generated thumbnail as the intro image.")
   );

   $form['player']['flashvideo_' . $node_type .'_introtime'] = array(
      '#title' => t('Intro Image Time'),
      '#type' => 'textfield',
      '#default_value' => flashvideo_variable_get($node_type, 'introtime', '3'),
      '#maxlength' =>  128,
      '#description' => t('The amount of time to show the intro image in seconds.'),
      '#required' => FALSE
   );

   $form['player']['flashvideo_' . $node_type . '_autostart'] = array(
      '#title' => t('Default AutoStart'),
      '#type' => 'select',
      '#options' => array('true' => 'true', 'false' => 'false'),
      '#default_value' => flashvideo_variable_get($node_type, 'autostart', 'true'),
      '#maxlength' =>  128,
      '#description' => t('If the player should default to play automatically or not.'),
      '#required' => TRUE
   );

   $form['player']['flashvideo_' . $node_type . '_repeattype'] = array(
      '#title' => t('Repeat Type'),
      '#type' => 'select',
      '#options' => array('true' => 'true', 'false' => 'false', 'list' => 'list'),
      '#default_value' => flashvideo_variable_get($node_type, 'repeattype', 'false'),
      '#description' => t('This will set the type of repeat setting for your video (or playlist), they are as follows...
         <ul>
            <li><b>true</b> - <em>Continously playback your movie/playlist</em></li>
            <li><b>false</b> - <em>The player will stop playback after every item to preserve bandwidth.</em></li>
            <li><b>list</b> - <em>Will playback all items in a playlist once.</em></li>
         </ul>')
   );   

   $form['ffmpeg'] = array('#type' => 'fieldset', '#title' => t('FFMPEG settings'), '#collapsible' => TRUE, '#collapsed' => TRUE);
   
   if($node_type == 'global') {      
      $form['ffmpeg']['flashvideo_ffmpegphp'] = array(
         '#type' => 'checkbox',
         '#title' => t('Use FFMPEG-PHP to extract video information.'),
         '#default_value' => flashvideo_variable_get(NULL, 'flashvideo_ffmpegphp', 0),
         '#description' => t("Checking this box will extract the uploaded video information, but is not essential to making this module work.")
      );
   }

   $form['ffmpeg']['flashvideo_' . $node_type .'_cmd'] = array(
      '#title' => t('ffmpeg Command'),
      '#type' => 'textfield',
      '#default_value' => flashvideo_variable_get($node_type, 'cmd', '-i @input -f flv -acodec mp3 -ar 22050 -ab 64k -ac 1 @output'),
      '#maxlength' =>  256,
      '#description' => t('This is the command to give to the ffmpeg executable. Refer to the <a href="http://ffmpeg.mplayerhq.hu/ffmpeg-doc.html">FFMPEG Online Documentation</a> for more information.<br/>The following parameters can be used: 
         <ul>
            <li><b>@input</b> - <em>The input file will replace this tag.</em></li>
            <li><b>@output</b> - <em>The output file will replace this tag.</em></li>
         </ul>'),
      '#required' => TRUE
   );

   $form['ffmpeg']['flashvideo_' . $node_type .'_thumbcmd'] = array(
      '#title' => t('ffmpeg Thumbnail Command'),
      '#type' => 'textfield',
      '#default_value' => flashvideo_variable_get($node_type, 'thumbcmd', '-y -i @input -vframes 1 -ss @thumbtime -an -vcodec mjpeg -f rawvideo -s "@thumbsize" @output'),
      '#maxlength' =>  256,
      '#description' => t('This is the command to give to the ffmpeg executable. Refer to the <a href="http://ffmpeg.mplayerhq.hu/ffmpeg-doc.html">FFMPEG Online Documentation</a> for more information.<br/>The following parameters can be used: 
         <ul>
            <li><b>@input</b> - <em>The input file will replace this tag.</em></li>
            <li><b>@output</b> - <em>The output file will replace this tag.</em></li>
            <li><b>@thumbtime</b> - <em>The time to wait before taking a snapshot.</em></li>
            <li><b>@thumbsize</b> - <em>The string representation of the size of the thumbnail such as "130x100"</em></li>
         </ul>'),
      '#required' => TRUE
   );

   if($node_type == 'global') {   
      $form['ffmpeg']['flashvideo_binpath'] = array(
         '#title' => t('ffmpeg Path'),
         '#type' => 'textfield',
         '#default_value' => flashvideo_variable_get(NULL, 'flashvideo_binpath', '/usr/bin/ffmpeg'),
         '#maxlength' =>  128,
         '#description' => t('The path to the ffmpeg binary.'),
         '#required' => TRUE
      );
   }

   $form['ffmpeg']['flashvideo_' . $node_type .'_delete'] = array(
      '#type' => 'checkbox',
      '#title' => t('Delete Original Video.'),
      '#default_value' => flashvideo_variable_get($node_type, 'delete', 0),
      '#description' => t("Checking this checkbox will delete the original video after conversion. <strong>Warning: The FlashVideo CCK plugin will not work with this enabled!</strong>")
   );

   $form['ffmpeg']['flashvideo_' . $node_type .'_originaldir'] = array(
      '#title' => t('Original Directory'),
      '#type' => 'textfield',
      '#default_value' => flashvideo_variable_get($node_type, 'originaldir', ''),
      '#maxlength' =>  128,
      '#description' => t('The directory to contain the original video after conversion.'),
      '#required' => FALSE
   );   
   
   $form['ffmpeg']['flashvideo_' . $node_type .'_outputdir'] = array(
      '#title' => t('Output Directory'),
      '#type' => 'textfield',
      '#default_value' => flashvideo_variable_get($node_type, 'outputdir', ''),
      '#maxlength' =>  128,
      '#description' => t('The output directory to contain the thumbnail and converted video.'),
      '#required' => FALSE
   );

   $form['ffmpeg']['flashvideo_' . $node_type .'_size'] = array(
      '#title' => t('Video Default Size'),
      '#type' => 'textfield',
      '#default_value' => flashvideo_variable_get($node_type, 'size', '450x337'),
      '#maxlength' =>  10,
      '#description' => t('The default size of the video, if none is given in the [video] tag.  Width x Height.  Example "450x337"'),
      '#required' => TRUE
   );

   $form['ffmpeg']['flashvideo_' . $node_type .'_thumbsize'] = array(
      '#title' => t('Thumbnail Size'),
      '#type' => 'textfield',
      '#default_value' => flashvideo_variable_get($node_type, 'thumbsize', '130x100'),
      '#maxlength' =>  10,
      '#description' => t('The size of the thumnail.  Width x Height.  Example "130x100"'),
      '#required' => TRUE
   );

   $form['ffmpeg']['flashvideo_' . $node_type .'_thumbtime'] = array(
      '#title' => t('Thumbnail Time'),
      '#type' => 'textfield',
      '#default_value' => flashvideo_variable_get($node_type, 'thumbtime', '00:00:02'),
      '#maxlength' =>  10,
      '#description' => t('The amount of time to move from the beginning of the video before taking a snapshot.  Example "00:00:02" is 2 seconds.'),
      '#required' => TRUE
   );

   $form['ffmpeg']['flashvideo_' . $node_type .'_thumblink'] = array(
      '#title' => t('Make Thumbnails a Link?'),
      '#type' => 'select',
      '#options' => array('yes' => 'yes', 'no' => 'no'),
      '#default_value' => flashvideo_variable_get($node_type, 'thumblink', 'yes'),
      '#maxlength' =>  128,
      '#description' => t('If yes, the thumbnails will be a link to the node that has the video.'),
      '#required' => TRUE
   );

   if($node_type == 'global') {  
      $form['ffmpeg']['flashvideo_maxconvert'] = array(
         '#title' => t('Maximum Conversions per Cron'),
         '#type' => 'textfield',
         '#default_value' => flashvideo_variable_get(NULL, 'flashvideo_maxconvert', 10),
         '#maxlength' =>  10,
         '#description' => t('The maximum amount of conversions allowed for each cron cycle.'),
         '#required' => TRUE
      );
   
      $form['ffmpeg']['flashvideo_maxfail'] = array(
         '#title' => t('Maximum Failures'),
         '#type' => 'textfield',
         '#default_value' => flashvideo_variable_get(NULL, 'flashvideo_maxfail', 5),
         '#maxlength' =>  10,
         '#description' => t('The maximum amount of conversion failures, before it reverts to using standard (non-Flash) video display.'),
         '#required' => TRUE
      );
   
      $form['ffmpeg']['flashvideo_logdata'] = array(
         '#type' => 'checkbox',
         '#title' => t('Log Conversion Data.'),
         '#default_value' => flashvideo_variable_get(NULL, 'flashvideo_logdata', 0),
         '#description' => t("Logs all conversion information in the <b>ffmpeg_data</b> table.  Good for debugging.")
      );
   }

   return system_settings_form($form);
}