diff options
Diffstat (limited to 'includes/metadata.inc')
| -rw-r--r-- | includes/metadata.inc | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/includes/metadata.inc b/includes/metadata.inc new file mode 100644 index 0000000..42f80b7 --- /dev/null +++ b/includes/metadata.inc @@ -0,0 +1,118 @@ +<?php + +//$Id$ +/* + * @file + * Class file used to store metadata on the video. + * + */ + +class video_metadata { + + private $metadata; + + public function __construct($metadata = null) { + //get our configured transcoder. + if (!isset($metadata)) + $metadata = variable_get('vid_metadata', 'flvtool2'); + if (!module_load_include('inc', 'video', '/metadata/' . $metadata)) { + $modules = module_list(); + foreach ($modules as $module) { + $mobule_files = array(); + $module_path = drupal_get_path('module', $module) . '/metadata'; + $mobule_files = file_scan_directory($module_path, '^.*\.inc$'); + if (is_array($mobule_files)) { + foreach ($mobule_files as $file) { + if ($file->name == $metadata) + require_once $file->filename; + } + } +// + } + } + if (class_exists($metadata)) { + $this->metadata = new $metadata; + } else { + drupal_set_message(t('The metadata is not configured properly.'), 'error'); + } + } + + public function process($video) { + $command_output = $this->metadata->process($video); + return $command_output; + } + + public function admin_settings() { + $form = array(); + $form['video_metadata'] = array( + '#type' => 'checkbox', + '#title' => t('Enable Metadata'), + '#default_value' => variable_get('video_metadata', FALSE), + '#description' => t('Metadata is particularly useful in video, where information about its contents (such as transcripts of conversations and text descriptions of its scenes) are not directly understandable by a computer, but where efficient search is desirable.'), + ); + $options = $this->_metadata(); + $form['vid_metadata'] = array( + '#type' => 'radios', + '#title' => t('Video Metadata'), + '#default_value' => variable_get('vid_metadata', 'flvtool2'), + '#options' => $options['radios'], + '#description' => t('!list', array('!list' => theme('item_list', $options['help']))), + '#prefix' => '<div id="metadata-radios">', + '#suffix' => '</div>', + ); + $form = $form + $options['admin_settings']; + $form['video_metadata_dimensions'] = array( + '#type' => 'textarea', + '#title' => t('Selectable Dimensions when uploading videos'), + '#description' => t('Enter one dimension per line as Video Resolutions. Each resolution must be in the form of WxH where W=Width and H=Height in pixels. Example dimensions are 1280x720.'), + '#default_value' => variable_get("video_metadata_dimensions", video_default_dimensions()), + ); + + return $form; + } + + private function _metadata() { + $files = array(); + // Lets find our transcoder classes and build our radio options + // We do this by scanning our transcoders folder + $form = array('radios' => array(), 'help' => array(), 'admin_settings' => array()); + $path = drupal_get_path('module', 'video') . '/metadata'; + $files = file_scan_directory($path, '^.*\.inc$'); + // check inside sub modules + $modules = module_list(); + foreach ($modules as $module) { + $mobule_files = array(); + $module_path = drupal_get_path('module', $module) . '/metadata'; + $mobule_files = file_scan_directory($module_path, '^.*\.inc$'); + $files = array_merge($files, $mobule_files); + } + + foreach ($files as $file) { + if (!module_load_include('inc', 'video', '/metadata/' . $file->name)) + require_once $file->filename; + $focus = new $file->name; + $form['radios'][$focus->get_value()] = $focus->get_name(); + $form['help'][] = $focus->get_help(); + $form['admin_settings'] = $form['admin_settings'] + $focus->admin_settings(); + } + return $form; + } + + public function admin_settings_validate($form, $form_state) { + return $this->metadata->admin_settings_validate($form, $form_state); + } + +} + +interface metadata_interface { + + public function get_name(); + + public function get_help(); + + public function process($video); + + public function admin_settings(); + + public function admin_settings_validate($form, &$form_state); +}
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