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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 {
static function get_edit_form($movie) {
$form = new Forge("movies/update/$movie->id", "", "post", array("id" => "g-edit-movie-form"));
$form->hidden("from_id");
$group = $form->group("edit_item")->label(t("Edit Movie"));
$group->input("title")->label(t("Title"))->value($movie->title)
->error_messages("required", t("You must provide a title"))
->error_messages("length", t("Your title is too long"));
$group->textarea("description")->label(t("Description"))->value($movie->description);
$group->input("name")->label(t("Filename"))->value($movie->name)
->error_messages(
"conflict", t("There is already a movie, photo or album with this name"))
->error_messages("no_slashes", t("The movie name can't contain a \"/\""))
->error_messages("no_trailing_period", t("The movie name can't end in \".\""))
->error_messages("illegal_data_file_extension", t("You cannot change the movie file extension"))
->error_messages("required", t("You must provide a movie file name"))
->error_messages("length", t("Your movie file name is too long"));
$group->input("slug")->label(t("Internet Address"))->value($movie->slug)
->error_messages(
"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"))
->error_messages("required", t("You must provide an internet address"))
->error_messages("length", t("Your internet address is too long"));
module::event("item_edit_form", $movie, $form);
$group = $form->group("buttons")->label("");
$group->submit("")->value(t("Modify"));
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);
clearstatcache(); // use $filename parameter when PHP_version is 5.3+
if (filesize($output_file) == 0) {
// Maybe the movie is shorter, fall back to the first frame.
$cmd = escapeshellcmd($ffmpeg) . " -i " . escapeshellarg($input_file) .
" -an -an -r 1 -vframes 1" .
" -y -f mjpeg " . escapeshellarg($output_file) . " 2>&1";
exec($cmd);
clearstatcache();
if (filesize($output_file) == 0) {
throw new Exception("@todo FFMPEG_FAILED");
}
}
}
static function find_ffmpeg() {
if (!$ffmpeg_path = module::get_var("gallery", "ffmpeg_path")) {
$graphics_path = module::get_var("gallery", "graphics_toolkit_path", null);
putenv("PATH=" . getenv("PATH") . (empty($graphics_path) ? "" : ":$graphics_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;
}
}
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