Second attempt at commiting NoFFMPEG.

modules/noffmpeg/helpers/movie.php

@@ -0,0 +1,137 @@
+<?php defined("SYSPATH") or die("No direct script access.");
+/**
+ * Gallery - a web based photo album viewer and editor
+ * Copyright (C) 2000-2010 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"));
+    $form->hidden("from_id")->value($movie->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 $form;
+  }
+
+  static function extract_frame($input_file, $output_file) {
+    $ffmpeg = self::find_ffmpeg();
+    if (empty($ffmpeg)) {
+      // BEGIN rWatcher Edit.
+      copy(MODPATH . "noffmpeg/images/missing_movie.png", $output_file);
+      //throw new Exception("@todo MISSING_FFMPEG");
+      // END rWatcher Edit.
+    }
+
+    $cmd = escapeshellcmd($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 (!($ffmpeg_path = module::get_var("gallery", "ffmpeg_path")) || !file_exists($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 $ffmpeg_path;
+  }
+
+
+  /**
+   * Return the width, height, mime_type and extension of the given movie file.
+   */
+  static function get_file_metadata($file_path) {
+    $ffmpeg = self::find_ffmpeg();
+    if (empty($ffmpeg)) {
+      // BEGIN rWatcher Edit.
+      $pi = pathinfo($file_path);
+      $extension = isset($pi["extension"]) ? $pi["extension"] : "flv"; // No extension?  Assume FLV.
+      $mime_type = in_array(strtolower($extension), array("mp4", "m4v")) ?
+        "video/mp4" : "video/x-flv";
+      return array(320, 240, $mime_type, $extension);
+      //throw new Exception("@todo MISSING_FFMPEG");
+      // END rWatcher Edit.
+    }
+
+    $cmd = escapeshellcmd($ffmpeg) . " -i " . escapeshellarg($file_path) . " 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);
+    }
+
+    $pi = pathinfo($file_path);
+    $extension = isset($pi["extension"]) ? $pi["extension"] : "flv"; // No extension?  Assume FLV.
+    $mime_type = in_array(strtolower($extension), array("mp4", "m4v")) ?
+      "video/mp4" : "video/x-flv";
+
+    return array($width, $height, $mime_type, $extension);
+  }
+
+}

modules/noffmpeg/module.info

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+name = "NoFFMPEG"
+description = "Allow video uploads on systems without FFMPEG."
+version = 1