/**
* Get memory needed to perform image manipulations on the file
*
* @param string
* @return int
*/
protected function _getNeedMemoryForFile($file = null)
{
if (!Mage::helper('uaudio_storage')->isEnabled()) {
return parent::_getNeedMemoryForFile($file);
}
$file = is_null($file) ? $this->getBaseFile() : $file;
if (!$file) {
return 0;
}
if (!$this->_fileExists($file)) {
return 0;
}
if ($this->_getStorageModel()->isInMedia($file)) {
$metadata = $this->_getStorageModel()->getMetadata($file);
if (!isset($metadata['width'])) {
$imageInfo = getimagesize($this->_getFileFromStorage($file));
$this->_getStorageModel()->updateMetadata($file, ['width' => $imageInfo[0], 'height' => $imageInfo[1]]);
} else {
$imageInfo[0] = $metadata['width'];
$imageInfo[1] = $metadata['height'];
}
} else {
$imageInfo = getimagesize($file);
}
if (!isset($imageInfo[0]) || !isset($imageInfo[1])) {
return 0;
}
if (!isset($imageInfo['channels'])) {
// if there is no info about this parameter lets set it for maximum
$imageInfo['channels'] = 4;
}
if (!isset($imageInfo['bits'])) {
// if there is no info about this parameter lets set it for maximum
$imageInfo['bits'] = 8;
}
return round(($imageInfo[0] * $imageInfo[1] * $imageInfo['bits'] * $imageInfo['channels'] / 8 + Pow(2, 16)) * 1.65);
}
