/modules/gallery/helpers/movie.php
PHP | 200 lines | 129 code | 26 blank | 45 comment | 20 complexity | 8164e9e971b77b308facb0c6375e178e MD5 | raw file
Possible License(s): GPL-2.0
- <?php defined("SYSPATH") or die("No direct script access.");
- /**
- * Gallery - a web based photo album viewer and editor
- * Copyright (C) 2000-2009 Bharat Mediratta
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or (at
- * your option) any later version.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
- */
- /**
- * This is the API for handling movies.
- *
- * Note: by design, this class does not do any permission checking.
- */
- class movie_Core {
- /**
- * Create a new movie.
- * @param integer $parent_id id of parent album
- * @param string $filename path to the photo file on disk
- * @param string $name the filename to use for this photo in the album
- * @param integer $title the title of the new photo
- * @param string $description (optional) the longer description of this photo
- * @param string $slug (optional) the url component for this photo
- * @return Item_Model
- */
- static function create($parent, $filename, $name, $title,
- $description=null, $owner_id=null, $slug=null) {
- if (!$parent->loaded || !$parent->is_album()) {
- throw new Exception("@todo INVALID_PARENT");
- }
- if (!is_file($filename)) {
- throw new Exception("@todo MISSING_MOVIE_FILE");
- }
- if (strpos($name, "/")) {
- throw new Exception("@todo NAME_CANNOT_CONTAIN_SLASH");
- }
- // We don't allow trailing periods as a security measure
- // ref: http://dev.kohanaphp.com/issues/684
- if (rtrim($name, ".") != $name) {
- throw new Exception("@todo NAME_CANNOT_END_IN_PERIOD");
- }
- try {
- $movie_info = movie::getmoviesize($filename);
- } catch (Exception $e) {
- // Assuming this is MISSING_FFMPEG for now
- $movie_info = getimagesize(MODPATH . "gallery/images/missing_movie.png");
- }
- // Force an extension onto the name
- $pi = pathinfo($filename);
- if (empty($pi["extension"])) {
- $pi["extension"] = image_type_to_extension($movie_info[2], false);
- $name .= "." . $pi["extension"];
- }
- if (empty($slug)) {
- $slug = item::convert_filename_to_slug($name);
- }
- $movie = ORM::factory("item");
- $movie->type = "movie";
- $movie->title = $title;
- $movie->description = $description;
- $movie->name = $name;
- $movie->owner_id = $owner_id ? $owner_id : user::active();
- $movie->width = $movie_info[0];
- $movie->height = $movie_info[1];
- $movie->mime_type = strtolower($pi["extension"]) == "mp4" ? "video/mp4" : "video/x-flv";
- $movie->thumb_dirty = 1;
- $movie->resize_dirty = 1;
- $movie->sort_column = "weight";
- $movie->slug = $slug;
- $movie->rand_key = ((float)mt_rand()) / (float)mt_getrandmax();
- // Randomize the name if there's a conflict
- // @todo Improve this. Random numbers are not user friendly
- while (ORM::factory("item")
- ->where("parent_id", $parent->id)
- ->open_paren()
- ->where("name", $movie->name)
- ->orwhere("slug", $movie->slug)
- ->close_paren()
- ->find()->id) {
- $rand = rand();
- $movie->name = "{$name}.$rand.{$pi['extension']}";
- $movie->slug = "{$slug}-$rand";
- }
- // This saves the photo
- $movie->add_to_parent($parent);
- // If the thumb or resize already exists then rename it
- if (file_exists($movie->resize_path()) ||
- file_exists($movie->thumb_path())) {
- $movie->name = $pi["filename"] . "-" . rand() . "." . $pi["extension"];
- $movie->save();
- }
- copy($filename, $movie->file_path());
- // @todo: publish this from inside Item_Model::save() when we refactor to the point where
- // there's only one save() happening here.
- module::event("item_created", $movie);
- // Build our thumbnail
- graphics::generate($movie);
- // If the parent has no cover item, make this it.
- if (access::can("edit", $parent) && $parent->album_cover_item_id == null) {
- item::make_album_cover($movie);
- }
- return $movie;
- }
- static function get_edit_form($movie) {
- $form = new Forge("movies/$movie->id", "", "post", array("id" => "gEditMovieForm"));
- $form->hidden("_method")->value("put");
- $group = $form->group("edit_item")->label(t("Edit Movie"));
- $group->input("title")->label(t("Title"))->value($movie->title);
- $group->textarea("description")->label(t("Description"))->value($movie->description);
- $group->input("filename")->label(t("Filename"))->value($movie->name)
- ->error_messages(
- "name_conflict", t("There is already a movie, photo or album with this name"))
- ->callback("item::validate_no_slashes")
- ->error_messages("no_slashes", t("The movie name can't contain a \"/\""))
- ->callback("item::validate_no_trailing_period")
- ->error_messages("no_trailing_period", t("The movie name can't end in \".\""));
- $group->input("slug")->label(t("Internet Address"))->value($movie->slug)
- ->callback("item::validate_url_safe")
- ->error_messages(
- "slug_conflict", t("There is already a movie, photo or album with this internet address"))
- ->error_messages(
- "not_url_safe",
- t("The internet address should contain only letters, numbers, hyphens and underscores"));
- module::event("item_edit_form", $movie, $form);
- $group = $form->group("buttons")->label("");
- $group->submit("")->value(t("Modify"));
- $form->add_rules_from(ORM::factory("item"));
- return $form;
- }
- static function getmoviesize($filename) {
- $ffmpeg = self::find_ffmpeg();
- if (empty($ffmpeg)) {
- throw new Exception("@todo MISSING_FFMPEG");
- }
- $cmd = escapeshellcmd($ffmpeg) . " -i " . escapeshellarg($filename) . " 2>&1";
- $result = `$cmd`;
- if (preg_match("/Stream.*?Video:.*?(\d+)x(\d+)/", $result, $regs)) {
- list ($width, $height) = array($regs[1], $regs[2]);
- } else {
- list ($width, $height) = array(0, 0);
- }
- return array($width, $height);
- }
- static function extract_frame($input_file, $output_file) {
- $ffmpeg = self::find_ffmpeg();
- if (empty($ffmpeg)) {
- throw new Exception("@todo MISSING_FFMPEG");
- }
- $cmd = escapeshellcmd($ffmpeg) . " -i " . escapeshellarg($input_file) .
- " -an -ss 00:00:03 -an -r 1 -vframes 1" .
- " -y -f mjpeg " . escapeshellarg($output_file) . " 2>&1";
- exec($cmd);
- }
- static function find_ffmpeg() {
- if (!$ffmpeg_path = module::get_var("gallery", "ffmpeg_path")) {
- putenv("PATH=" . getenv("PATH") . ":/usr/local/bin:/opt/local/bin:/opt/bin");
- if (function_exists("exec")) {
- $ffmpeg_path = exec("which ffmpeg");
- }
- module::set_var("gallery", "ffmpeg_path", $ffmpeg_path);
- }
- return $ffmpeg_path;
- }
- }