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<?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");
}
$movie_info = movie::getmoviesize($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;
$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 ($parent->album_cover_item_id == null) {
item::make_album_cover($movie);
}
return $movie;
}
static function getmoviesize($filename) {
if (!$ffmpeg = exec("which 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, $output_file) {
if (!$ffmpeg = exec("which 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);
}
}
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