diff options
Diffstat (limited to 'includes/transcoder.inc')
| -rw-r--r-- | includes/transcoder.inc | 205 |
1 files changed, 205 insertions, 0 deletions
diff --git a/includes/transcoder.inc b/includes/transcoder.inc new file mode 100644 index 0000000..c9d79b8 --- /dev/null +++ b/includes/transcoder.inc @@ -0,0 +1,205 @@ +<?php + +//$Id$ +/* + * @file + * Class file used to wrap the transcoder functions. + * + * @todo need more commenting + * - Add Metadata support + * Add autoloading + * # http://stackoverflow.com/questions/3343208/php-class-lazy-loading + * # http://php.net/manual/en/language.oop5.autoload.php + * + */ + +class video_transcoder { + + private $transcoder; + + public function __construct($transcoder = null) { + $this->transcoder = $this->get_instance($transcoder); + } + + /** + * + * @param <type> $transcoder + */ + private function get_instance($transcoder = null) { + //get our configured transcoder. + if (!isset($transcoder)) + $transcoder = variable_get('vid_convertor', 'video_ffmpeg'); +// module_load_include('inc', 'video', '/transcoders/' . $transcoder); + if (!module_load_include('inc', 'video', '/transcoders/' . $transcoder)) { + $modules = module_list(); + $files = array(); + foreach ($modules as $module) { + $module_path = drupal_get_path('module', $module) . '/transcoders'; + $inc_files = file_scan_directory($module_path, '^.*\.inc$'); + if (!empty($inc_files)) + $files[$module] = $inc_files; + } + // @TODO : add lazy load + foreach ($files as $module => $_files) { + foreach ($_files as $file) { + if ($file->name == $transcoder) + module_load_include('inc', $module, '/transcoders/' . $file->name); + } + } + } + + if (class_exists($transcoder)) { + $transcoder_instance = new $transcoder; + $this->transcoder = $transcoder_instance; + return $transcoder_instance; + } else { + drupal_set_message(t('The transcoder is not configured properly.'), 'error'); + } + } + + public function generate_thumbnails($video) { + return $this->transcoder->generate_thumbnails($video); + } + + public function convert_video(&$video) { + module_load_include('inc', 'video', '/includes/preset'); + $video_preset = new video_preset(); + $presets = $video_preset->properties(); + $video->presets = $presets; + $output = $this->transcoder->convert_video($video); + // if successfully converted the video then update the status to publish + if ($output) + // Update our node id to published. We do not do a node_load as it causes editing problems when saving. + db_query("UPDATE {node} SET status=%d WHERE nid=%d", 1, $video->nid); + + // If they are using metadata. + // @TODO : add meta data support +// if (variable_get('video_metadata', FALSE)) { +// module_load_include('inc', 'video', '/includes/metadata'); +// $metadata = new video_metadata; +// $metadata->process($converted); +// } + return $output; + } + + public function admin_settings() { + $form = array(); + $options = $this->_transcoders(); + $form['vid_convertor'] = array( + '#type' => 'radios', + '#title' => t('Video transcoder'), + '#default_value' => variable_get('vid_convertor', 'video_ffmpeg'), + '#options' => $options['radios'], + '#description' => t('Selecting a video transcoder will help you convert videos and generate thumbnails. !list', array('!list' => theme('item_list', $options['help']))), + '#prefix' => '<div id="transcoder-radios">', + '#suffix' => '</div>', + ); + $form = $form + $options['admin_settings']; + return $form; + } + + public function admin_settings_validate($form, &$form_state) { + return $this->transcoder->admin_settings_validate($form, $form_state); + } + + private function _transcoders() { + // @TODO : think to change this to observer patteren + $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') . '/transcoders'; + $files = file_scan_directory($path, '^.*\.inc$'); + // check inside sub modules + $modules = module_list(); + foreach ($modules as $module) { + $mobule_files = array(); + $module_path = drupal_get_path('module', $module) . '/transcoders'; + $mobule_files = file_scan_directory($module_path, '^.*\.inc$'); + $files = array_merge($files, $mobule_files); + } + + foreach ($files as $file) { + if (!module_load_include('inc', 'video', '/transcoders/' . $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(); + } +// //we need to move our video/thumbnail fieldsets to the bottom of our form as they are used for each trancoder +// $autothumb = $form['admin_settings']['autothumb']; +// $autoconv = $form['admin_settings']['autoconv']; +// unset($form['admin_settings']['autothumb'], $form['admin_settings']['autoconv']); +// if(!$this->transcoder->is_wsod()) +// $form['admin_settings']['autothumb'] = $autothumb; +// $form['admin_settings']['autoconv'] = $autoconv; + return $form; + } + + public function get_dimensions($video) { + return $this->transcoder->get_dimensions($video); + } + + public function create_job($video) { + return $this->transcoder->create_job($video); + } + + public function update_job($video) { + return $this->transcoder->update_job($video); + } + + public function delete_job($video) { + return $this->transcoder->delete_job($video); + } + + /** + * Load a file based on the file id ($fid) + * + * @param $fid + * Integer of the file id to be loaded. + */ + public function load_job($fid) { + return $this->transcoder->load_job($fid); + } + + public function load_job_queue() { + return $this->transcoder->load_job_queue(); + } + + public function load_completed_job(&$video) { + return $this->transcoder->load_completed_job($video); + } + +} + +interface transcoder_interface { + + public function create_job($video); + + public function update_job($video); + + public function delete_job($video); + + public function load_job($fid); + + public function load_job_queue(); + + public function load_completed_job(&$video); + + public function change_status($vid, $status); + + public function generate_thumbnails($video); + + public function convert_video($video); + + public function get_name(); + + public function get_value(); + + public function get_help(); + + public function admin_settings(); + + public function admin_settings_validate($form, &$form_state); +}
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