/**
* Singleton
* @return Application_Model_FsThumbsMapper
*/
public static function i()
{
if (self::$_instance == null) {
self::$_instance = new self();
}
return self::$_instance;
}
/**
* Check the item in the collection should be filtered out
* If return is false, the item will be discarded at 100%
* If return is true, isn't sure that the item will be added
* 'cause another plugin can prevent this
*
* Plugins who check per-item acl or blacklist should hook here
*
* @param X_Page_Item_PItem $item
* @param string $provider
* @param Zend_Controller_Action $controller
* @return boolean true if item is ok, false if item should be discarded
*/
public function filterShareItems(X_Page_Item_PItem $item, $provider, Zend_Controller_Action $controller)
{
$providerClass = X_VlcShares_Plugins::broker()->getPluginClass($provider);
$providerObj = X_VlcShares_Plugins::broker()->getPlugins($provider);
if (is_a($providerObj, 'X_VlcShares_Plugins_FileSystem')) {
if ($item->getType() == X_Page_Item_PItem::TYPE_ELEMENT) {
$itemLocation = $item->getCustom('X_VlcShares_Plugins_FileSystem:location');
/* @var $urlHelper Zend_Controller_Action_Helper_Url */
$urlHelper = $controller->getHelper('url');
$path = $providerObj->resolveLocation($itemLocation);
$thumb = new Application_Model_FsThumb();
Application_Model_FsThumbsMapper::i()->fetchByPath($path, $thumb);
if ($thumb->isNew()) {
$thumbUrl = X_Env::completeUrl($urlHelper->direct('thumb', 'fsthumbs', 'default', array('l' => X_Env::encode($itemLocation), 't' => 'dummy.jpg')));
} else {
$thumbUrl = X_Env::completeUrl(Zend_Controller_Front::getInstance()->getBaseUrl() . $thumb->getUrl());
}
//$item->setDescription($itemLocation);
$item->setThumbnail($thumbUrl);
}
}
return true;
}
function thumbAction()
{
// time to get params from get
/* @var $request Zend_Controller_Request_Http */
$request = $this->getRequest();
if (!is_writable(APPLICATION_PATH . "/../public/images/fsthumbs/thumbs/")) {
throw new Exception('"/public/images/fsthumbs/thumbs/" must be writable');
}
$l = $request->getParam('l', false);
if ($l == false) {
throw new Exception(X_Env::_('p_fsthumbs_invalidlocation'));
}
$ldec = X_Env::decode($l);
$itemRealPath = $this->fsPlugin->resolveLocation($ldec);
if ($itemRealPath == false) {
throw new Exception(X_Env::_('p_fsthumbs_invalidlocation'));
}
// cache check and redirect if possible
$imagePath = "/images/fsthumbs/thumbs/{$l}.jpg";
// else thumb creation and then redirect
if (!file_exists(APPLICATION_PATH . "/../public{$imagePath}")) {
if (X_VlcShares_Plugins::helpers()->ffmpeg()->isEnabled()) {
// create the thumb
$ffmpegPath = $this->options->helpers->ffmpeg->path;
$destPath = APPLICATION_PATH . "/../public{$imagePath}";
$secOffset = intval($this->plugin->config('capture.seconds', '2')) + (int) rand(0, 10) - 5;
if ($secOffset < 1) {
$secOffset = 1;
}
$imageDim = $this->plugin->config('thumbs.size', '320x240');
if (!preg_match('/(\\d{3})x(\\d{3})/', $imageDim)) {
X_Debug::e("Thumb size is not a valid value (IIIxIII): {$imageDim}");
$imageDim = '320x240';
}
// thumb creation should be always completed
ignore_user_abort(true);
// semaphore is needed for folders with lots files and low-end cpus
$lockFile = fopen(__FILE__, 'r+');
flock($lockFile, LOCK_EX);
$exec = "{$ffmpegPath} -itsoffset -{$secOffset} -i \"{$itemRealPath}\" -vcodec mjpeg -vframes 1 -an -f rawvideo -s {$imageDim} \"{$destPath}\"";
$return = X_Env::execute($exec);
// remove lock
flock($lockFile, LOCK_UN);
fclose($lockFile);
$filesize = @filesize($destPath);
if ($filesize == 0) {
// it's better to replace the thumbs created with
// a placeholder file to prevent a new creation
@copy(APPLICATION_PATH . "/../public/images/fsthumbs/nothumbs.jpg", $destPath);
clearstatcache(true, $destPath);
$filesize = @filesize($destPath);
}
$thumb = new Application_Model_FsThumb();
// try to load an old entry in db, this prevent error when files are removed but not the reference in db
Application_Model_FsThumbsMapper::i()->fetchByPath($itemRealPath, $thumb);
$thumb->setCreated(time())->setPath($itemRealPath)->setUrl($imagePath)->setSize(@filesize($destPath));
try {
Application_Model_FsThumbsMapper::i()->save($thumb);
X_Debug::i('Thumb stored');
} catch (Exception $e) {
X_Debug::e("Error while storing thumb data: {$e->getMessage()}");
}
//X_Debug::i(var_export($return, true));
// -itsoffset -30 -i test.avi -vcodec mjpeg -vframes 1 -an -f rawvideo -s 320x240 test.jpg
} else {
$imagePath = "/images/fsthumbs/nothumbs.jpg";
}
}
// if it is wiimc i have to return here the image directly, not a redirect
if (X_VlcShares_Plugins::helpers()->devices()->isWiimc()) {
$this->getResponse()->clearAllHeaders();
ob_end_clean();
$this->getResponse()->setHeader('Content-Type', 'image/jpeg')->setHeader('Content-Length', @filesize(APPLICATION_PATH . "/../public{$imagePath}"));
$this->getResponse()->sendHeaders();
readfile(APPLICATION_PATH . "/../public{$imagePath}");
} else {
$this->_helper->redirector->gotoUrlAndExit($imagePath, array('prependBase' => true, 'code' => 302));
}
}
