diff options
Diffstat (limited to 'modules/gallery/helpers/movie.php')
| -rw-r--r-- | modules/gallery/helpers/movie.php | 153 |
1 files changed, 153 insertions, 0 deletions
diff --git a/modules/gallery/helpers/movie.php b/modules/gallery/helpers/movie.php new file mode 100644 index 00000000..3293d4ac --- /dev/null +++ b/modules/gallery/helpers/movie.php @@ -0,0 +1,153 @@ +<?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 $description (optional) the longer description of this photo + * @return Item_Model + */ + static function create($parent, $filename, $name, $title, + $description=null, $owner_id=null) { + if (!$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"); + } + + $movie_info = movie::getmoviesize($filename); + + // 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"]; + } + + $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->rand_key = ((float)mt_rand()) / (float)mt_getrandmax(); + + // Randomize the name if there's a conflict + while (ORM::Factory("item") + ->where("parent_id", $parent->id) + ->where("name", $movie->name) + ->find()->id) { + // @todo Improve this. Random numbers are not user friendly + $movie->name = rand() . "." . $pi["extension"]; + } + + // 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()); + + 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 $movie; + } + + static function getmoviesize($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+).*\ +([0-9\.]+) (fps|tb).*/", + $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); + exec($cmd); + } + + static function find_ffmpeg() { + if (!$ffmpeg_path = module::get_var("core", "ffmpeg_path")) { + if (function_exists("exec")) { + $ffmpeg_path = exec("which ffmpeg"); + if ($ffmpeg_path) { + module::set_var("core", "ffmpeg_path", $ffmpeg_path); + } + } + } + return $ffmpeg_path; + } +} |