From baff63b70b2b686b14f468a26180081ad505ce9a Mon Sep 17 00:00:00 2001
From: Bharat Mediratta <bharat@menalto.com>
Date: Sun, 22 Feb 2009 05:21:44 +0000
Subject: Very basic movie support.  You can upload a FLV file, we use ffmpeg
 to extract a thumbnail out of it and if you click through we show it using
 flowplayer.

---
 core/helpers/movie.php | 121 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 121 insertions(+)
 create mode 100644 core/helpers/movie.php

(limited to 'core/helpers/movie.php')

diff --git a/core/helpers/movie.php b/core/helpers/movie.php
new file mode 100644
index 00000000..99b9180a
--- /dev/null
+++ b/core/helpers/movie.php
@@ -0,0 +1,121 @@
+<?php defined("SYSPATH") or die("No direct script access.");
+/**
+ * Gallery - a web based photo album viewer and editor
+ * Copyright (C) 2000-2008 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
+    $pi = pathinfo($name);
+    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];
+    $movie->mime_type = empty($image_info["mime"]) ? "application/unknown" : $image_info["mime"];
+    $movie->thumb_dirty = 1;
+    $movie->resize_dirty = 1;
+
+    // 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);
+    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.
+    $parent = $movie->parent();
+    if ($parent->album_cover_item_id == null)  {
+      $parent->album_cover_item_id = $movie->id;
+      $parent->save();
+      graphics::generate($parent);
+    }
+
+    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, $height);
+  }
+
+  function extract_frame($input_file, $output_file) {
+    if (!$ffmpeg = exec("which ffmpeg")) {
+      throw new Exception("@todo MISSING_FFMPEG");
+    }
+
+    $cmd = escapeshellcmd($ffmpeg) . " -i " . escapeshellarg($input_file) .
+      " -t 0.001 -y -f mjpeg " . escapeshellarg($output_file);
+    printf("<pre>%s</pre>",print_r($cmd,1));flush();
+    exec($cmd);
+  }
+}
-- 
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