View source
<?php
class video_transcoder {
private $transcoder;
public function __construct($transcoder = null) {
$this->transcoder = $this
->get_instance($transcoder);
}
private function get_instance($transcoder = null) {
if (!isset($transcoder)) {
$transcoder = variable_get('video_convertor', 'video_ffmpeg');
}
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] = $inc_files;
}
}
foreach ($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) {
$thumbnails = array();
$vid = $video['fid'];
$thumbs = $this->transcoder
->generate_thumbnails($video);
foreach ($thumbs as $file) {
if (module_exists('media')) {
$file->type = 'image';
}
if (variable_get('video_thumb_save_all', FALSE)) {
$file->status = FILE_STATUS_PERMANENT;
}
$existing_file = file_load_multiple(array(), array(
'uri' => $file->uri,
));
if ($existing_file) {
$file = (array) $existing_file;
}
else {
drupal_write_record('file_managed', $file);
$file = file_load_multiple(array(), array(
'uri' => $file->uri,
));
}
if (!empty($file)) {
$thumbnails = array_merge($file, $thumbnails);
}
}
$exists = db_query('SELECT 1 FROM {video_thumbnails} WHERE vid = :vid', array(
':vid' => $vid,
))
->fetchField();
if ($exists == FALSE) {
$insertquery = db_insert('video_thumbnails')
->fields(array(
'vid' => $vid,
'thumbnails' => serialize($thumbnails),
))
->execute();
}
else {
$updatequery = db_update('video_thumbnails')
->fields(array(
'thumbnails' => serialize($thumbnails),
))
->condition('vid', $vid)
->execute();
}
return unserialize(db_query('SELECT thumbnails FROM {video_thumbnails} WHERE vid = :vid', array(
':vid' => $vid,
))
->fetchField());
}
public function convert_video(&$video) {
$video_preset = new video_preset();
$presets = $video_preset
->properties();
$video->presets = $presets;
$output = $this->transcoder
->convert_video($video);
if ($output && variable_get('video_publish_on_complete', TRUE)) {
db_update('node')
->fields(array(
'status' => NODE_PUBLISHED,
))
->condition('nid', $video->nid, '=')
->execute();
db_update('node_revision')
->fields(array(
'status' => NODE_PUBLISHED,
))
->condition('nid', $video->nid, '=')
->execute();
}
return $output;
}
public function admin_settings() {
$form = array();
$options = $this
->_transcoders();
$form['video_convertor'] = array(
'#type' => 'radios',
'#title' => t('Video transcoder'),
'#default_value' => variable_get('video_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() {
$files = array();
$form = array(
'radios' => array(),
'help' => array(),
'admin_settings' => array(),
);
$modules = module_list();
$files = array();
foreach ($modules as $module) {
$mobule_files = array();
$module_path = drupal_get_path('module', $module) . '/transcoders';
foreach (file_scan_directory($module_path, '/.*\\.inc/') as $filekey => $file) {
$file->module = $module;
$mobule_files[] = $file;
}
$files = array_merge($files, $mobule_files);
}
foreach ($files as $file) {
module_load_include('inc', $file->module, '/transcoders/' . $file->name);
$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 $form;
}
public function get_dimensions($video) {
return $this->transcoder
->get_dimensions($video);
}
public function create_job($video, $nid) {
return $this->transcoder
->create_job($video, $nid);
}
public function delete_job($video) {
return $this->transcoder
->delete_job($video);
}
public function change_status($vid, $status) {
return $this->transcoder
->change_status($vid, $status);
}
public function load_job($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);
}
public function get_codecs() {
return $this->transcoder
->get_codecs();
}
}
interface transcoder_interface {
public function create_job($video, $nid);
public function delete_job($video);
public function load_job($fid);
public function load_job_queue();
public function get_codecs();
public function load_completed_job(&$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);
}