/**
* Extract preview image
*
* @param
* @return
*/
function extractPreviewImageObject()
{
global $ilCtrl;
$this->checkPermission("write");
$this->mcst_item = new ilNewsItem($_GET["item_id"]);
include_once "./Services/MediaObjects/classes/class.ilObjMediaObjectGUI.php";
$mob = new ilObjMediaObject($this->mcst_item->getMobId());
try {
$sec = (int) $_POST["sec"];
if ($sec < 0) {
$sec = 0;
}
if ($mob->getVideoPreviewPic() != "") {
$mob->removeAdditionalFile($mob->getVideoPreviewPic(true));
}
include_once "./Services/MediaObjects/classes/class.ilFFmpeg.php";
$med = $mob->getMediaItem("Standard");
$mob_file = ilObjMediaObject::_getDirectory($mob->getId()) . "/" . $med->getLocation();
$new_file = ilFFmpeg::extractImage($mob_file, "mob_vpreview.png", ilObjMediaObject::_getDirectory($mob->getId()), $sec);
if ($new_file != "") {
ilUtil::sendInfo($this->lng->txt("mcst_image_extracted"), true);
} else {
ilUtil::sendFailure($this->lng->txt("mcst_no_extraction_possible"), true);
}
} catch (ilException $e) {
if (DEVMODE == 1) {
$ret = ilFFmpeg::getLastReturnValues();
$add = is_array($ret) && count($ret) > 0 ? "<br />" . implode($ret, "<br />") : "";
}
ilUtil::sendFailure($e->getMessage() . $add, true);
}
$ilCtrl->redirect($this, "editCastItem");
}
/**
* Show video tools
*
* @param
* @return
*/
function showVideoToolObject()
{
global $tpl;
include_once "./Services/MediaObjects/classes/class.ilFFmpeg.php";
/*$codecs = ilFFmpeg::getSupportedCodecsInfo();
$codec_str = implode($codecs, "<br />");
$tpl->setContent($codec_str);*/
$formats = ilFFmpeg::getSupportedFormatsInfo();
$formats_str = implode($formats, "<br />");
$tpl->setContent($formats_str);
}
/**
* Extract image from video file
*
* @param string $a_file source file (full path included)
* @param string $a_target_dir target directory (no trailing "/")
* @param string $a_target_filename target file name (no path!)
*
* @return string new file (full path)
*/
static function extractImage($a_file, $a_target_filename, $a_target_dir = "", $a_sec = 1)
{
//echo "-$a_file-$a_target_filename-$a_target_dir-$a_sec-<br>";
$spi = pathinfo($a_file);
// use source directory if no target directory is passed
$target_dir = $a_target_dir != "" ? $a_target_dir : $spi['dirname'];
$target_file = $target_dir . "/" . $a_target_filename;
$sec = (int) $a_sec;
$cmd = "-y -i " . ilUtil::escapeShellArg($a_file) . " -r 1 -f image2 -vframes 1 -ss " . $sec . " " . ilUtil::escapeShellArg($target_file);
//echo "-$cmd-"; exit;
$ret = self::exec($cmd . " 2>&1");
self::$last_return = $ret;
if (is_file($target_file)) {
return $target_file;
} else {
include_once "./Services/MediaObjects/exceptions/class.ilFFmpegException.php";
throw new ilFFmpegException("It was not possible to extract an image from " . basename($a_file) . ".");
}
}
/**
* Function to parse incoming data from form input value $value. returns the string/number/etc. to store in the database.
*
* @param $value
* @param ilDataCollectionRecordField $record_field
*
* @return int|string
*/
public function parseValue($value, ilDataCollectionRecordField $record_field)
{
$return = false;
if ($this->id == ilDataCollectionDatatype::INPUTFORMAT_FILE) {
$file = $value;
if (is_array($file) && $file['tmp_name']) {
$file_obj = new ilObjFile();
$file_obj->setType("file");
$file_obj->setTitle($file["name"]);
$file_obj->setFileName($file["name"]);
$file_obj->setFileType(ilMimeTypeUtil::getMimeType("", $file["name"], $file["type"]));
$file_obj->setFileSize($file["size"]);
$file_obj->setMode("object");
$file_obj->create();
$file_obj->getUploadFile($file["tmp_name"], $file["name"]);
$file_id = $file_obj->getId();
$return = $file_id;
} else {
$return = $record_field->getValue();
}
} elseif ($this->id == ilDataCollectionDatatype::INPUTFORMAT_MOB) {
if ($value == -1) {
return 0;
}
$media = $value;
if (is_array($media) && $media['tmp_name']) {
$mob = new ilObjMediaObject();
$mob->setTitle($media['name']);
$mob->create();
$mob_dir = ilObjMediaObject::_getDirectory($mob->getId());
if (!is_dir($mob_dir)) {
$mob->createDirectory();
}
$media_item = new ilMediaItem();
$mob->addMediaItem($media_item);
$media_item->setPurpose("Standard");
$file_name = ilUtil::getASCIIFilename($media['name']);
$file_name = str_replace(" ", "_", $file_name);
$file = $mob_dir . "/" . $file_name;
$title = $file_name;
$location = $file_name;
ilUtil::moveUploadedFile($media['tmp_name'], $file_name, $file);
ilUtil::renameExecutables($mob_dir);
// Check image/video
$format = ilObjMediaObject::getMimeType($file);
if ($format == 'image/jpeg') {
list($width, $height, $type, $attr) = getimagesize($file);
$arr_properties = $record_field->getField()->getProperties();
$new_width = $arr_properties[ilDataCollectionField::PROPERTYID_WIDTH];
$new_height = $arr_properties[ilDataCollectionField::PROPERTYID_HEIGHT];
if ($new_width || $new_height) {
//only resize if it is bigger, not if it is smaller
if ($new_height < $height && $new_width < $width) {
//resize proportional
if (!$new_height || !$new_width) {
$format = ilObjMediaObject::getMimeType($file);
$wh = ilObjMediaObject::_determineWidthHeight("", "", $format, "File", $file, "", true, false, $arr_properties[ilDataCollectionField::PROPERTYID_WIDTH], (int) $arr_properties[ilDataCollectionField::PROPERTYID_HEIGHT]);
} else {
$wh['width'] = (int) $arr_properties[ilDataCollectionField::PROPERTYID_WIDTH];
$wh['height'] = (int) $arr_properties[ilDataCollectionField::PROPERTYID_HEIGHT];
}
$location = ilObjMediaObject::_resizeImage($file, $wh['width'], $wh['height'], false);
}
}
}
ilObjMediaObject::_saveUsage($mob->getId(), "dcl:html", $record_field->getRecord()->getTable()->getCollectionObject()->getId());
$media_item->setFormat($format);
$media_item->setLocation($location);
$media_item->setLocationType("LocalFile");
// FSX MediaPreview
include_once "./Services/MediaObjects/classes/class.ilFFmpeg.php";
if (ilFFmpeg::supportsImageExtraction($format)) {
$med = $mob->getMediaItem("Standard");
$mob_file = ilObjMediaObject::_getDirectory($mob->getId()) . "/" . $med->getLocation();
$a_target_dir = ilObjMediaObject::_getDirectory($mob->getId());
try {
$new_file = ilFFmpeg::extractImage($mob_file, "mob_vpreview.png", $a_target_dir, 1);
} catch (ilFFmpegException $e) {
ilUtil::sendFailure($e->getMessage(), true);
}
}
$mob->update();
$return = $mob->getId();
} else {
$return = $record_field->getValue();
}
} elseif ($this->id == ilDataCollectionDatatype::INPUTFORMAT_DATETIME) {
return $value["date"] . " " . $value["time"];
} elseif ($this->id == ilDataCollectionDatatype::INPUTFORMAT_BOOLEAN) {
$return = $value ? 1 : 0;
} elseif ($this->id == ilDataCollectionDatatype::INPUTFORMAT_TEXT) {
$arr_properties = $record_field->getField()->getProperties();
if ($arr_properties[ilDataCollectionField::PROPERTYID_TEXTAREA]) {
$return = nl2br($value);
} else {
$return = $value;
}
} else {
if ($this->id == ilDataCollectionDatatype::INPUTFORMAT_NUMBER) {
$return = $value == '' ? NULL : $value;
//SW, Ilias Mantis #0011799: Return null otherwise '' is casted to 0 in DB
} else {
$return = $value;
}
}
return $return;
}
