151 lines
5.9 KiB
PHP
151 lines
5.9 KiB
PHP
<?php defined("SYSPATH") or die("No direct script access.");
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/**
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* Gallery - a web based photo album viewer and editor
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* Copyright (C) 2000-2010 Bharat Mediratta
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or (at
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* your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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/**
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* This is the API for handling movies.
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*
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* Note: by design, this class does not do any permission checking.
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*/
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include MODPATH . "noffmpeg/libraries/MP4Info.php";
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class movie_Core {
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static function get_edit_form($movie) {
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$form = new Forge("movies/update/$movie->id", "", "post", array("id" => "g-edit-movie-form"));
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$form->hidden("from_id")->value($movie->id);
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$group = $form->group("edit_item")->label(t("Edit Movie"));
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$group->input("title")->label(t("Title"))->value($movie->title)
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->error_messages("required", t("You must provide a title"))
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->error_messages("length", t("Your title is too long"));
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$group->textarea("description")->label(t("Description"))->value($movie->description);
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$group->input("name")->label(t("Filename"))->value($movie->name)
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->error_messages(
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"conflict", t("There is already a movie, photo or album with this name"))
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->error_messages("no_slashes", t("The movie name can't contain a \"/\""))
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->error_messages("no_trailing_period", t("The movie name can't end in \".\""))
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->error_messages("illegal_data_file_extension", t("You cannot change the movie file extension"))
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->error_messages("required", t("You must provide a movie file name"))
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->error_messages("length", t("Your movie file name is too long"));
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$group->input("slug")->label(t("Internet Address"))->value($movie->slug)
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->error_messages(
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"conflict", t("There is already a movie, photo or album with this internet address"))
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->error_messages(
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"not_url_safe",
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t("The internet address should contain only letters, numbers, hyphens and underscores"))
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->error_messages("required", t("You must provide an internet address"))
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->error_messages("length", t("Your internet address is too long"));
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module::event("item_edit_form", $movie, $form);
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$group = $form->group("buttons")->label("");
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$group->submit("")->value(t("Modify"));
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return $form;
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}
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static function extract_frame($input_file, $output_file) {
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$ffmpeg = self::find_ffmpeg();
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if (empty($ffmpeg)) {
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// BEGIN rWatcher Edit.
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copy(MODPATH . "noffmpeg/images/missing_movie.png", $output_file);
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//throw new Exception("@todo MISSING_FFMPEG");
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// END rWatcher Edit.
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}
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$cmd = escapeshellcmd($ffmpeg) . " -i " . escapeshellarg($input_file) .
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" -an -ss 00:00:03 -an -r 1 -vframes 1" .
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" -y -f mjpeg " . escapeshellarg($output_file) . " 2>&1";
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exec($cmd);
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clearstatcache(); // use $filename parameter when PHP_version is 5.3+
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if (filesize($output_file) == 0) {
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// Maybe the movie is shorter, fall back to the first frame.
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$cmd = escapeshellcmd($ffmpeg) . " -i " . escapeshellarg($input_file) .
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" -an -an -r 1 -vframes 1" .
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" -y -f mjpeg " . escapeshellarg($output_file) . " 2>&1";
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exec($cmd);
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clearstatcache();
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if (filesize($output_file) == 0) {
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throw new Exception("@todo FFMPEG_FAILED");
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}
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}
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}
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static function find_ffmpeg() {
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if (!($ffmpeg_path = module::get_var("gallery", "ffmpeg_path")) || !file_exists($ffmpeg_path)) {
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$graphics_path = module::get_var("gallery", "graphics_toolkit_path", null);
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putenv("PATH=" . getenv("PATH") . (empty($graphics_path) ? "" : ":$graphics_path") .
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":/usr/local/bin:/opt/local/bin:/opt/bin");
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if (function_exists("exec")) {
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$ffmpeg_path = exec("which ffmpeg");
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}
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module::set_var("gallery", "ffmpeg_path", $ffmpeg_path);
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}
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return $ffmpeg_path;
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}
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/**
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* Return the width, height, mime_type and extension of the given movie file.
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*/
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static function get_file_metadata($file_path) {
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$ffmpeg = self::find_ffmpeg();
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if (empty($ffmpeg)) {
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// BEGIN rWatcher Edit.
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$pi = pathinfo($file_path);
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$extension = isset($pi["extension"]) ? $pi["extension"] : "flv"; // No extension? Assume FLV.
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$mime_type = in_array(strtolower($extension), array("mp4", "m4v")) ?
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"video/mp4" : "video/x-flv";
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$vid_width = 320;
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$vid_height = 240;
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if (strtolower($extension) == "flv") {
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$flvinfo = new FLVMetaData($file_path);
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$info = $flvinfo->getMetaData();
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if (($info["width"] != "") && ($info["height"] != "")) {
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$vid_width = $info["width"];
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$vid_height = $info["height"];
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}
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}
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return array($vid_width, $vid_height, $mime_type, $extension);
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//throw new Exception("@todo MISSING_FFMPEG");
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// END rWatcher Edit.
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}
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$cmd = escapeshellcmd($ffmpeg) . " -i " . escapeshellarg($file_path) . " 2>&1";
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$result = `$cmd`;
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if (preg_match("/Stream.*?Video:.*?(\d+)x(\d+)/", $result, $regs)) {
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list ($width, $height) = array($regs[1], $regs[2]);
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} else {
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list ($width, $height) = array(0, 0);
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}
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$pi = pathinfo($file_path);
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$extension = isset($pi["extension"]) ? $pi["extension"] : "flv"; // No extension? Assume FLV.
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$mime_type = in_array(strtolower($extension), array("mp4", "m4v")) ?
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"video/mp4" : "video/x-flv";
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return array($width, $height, $mime_type, $extension);
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}
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}
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