91 lines
2.9 KiB
PHP
91 lines
2.9 KiB
PHP
|
<?php
|
||
|
|
/**
|
||
|
|
* GNU social - a federating social network
|
||
|
|
*
|
||
|
|
* Plugin to make thumbnails of video files with ffmpeg
|
||
|
|
*
|
||
|
|
* PHP version 5
|
||
|
|
*
|
||
|
|
* LICENCE: This program is free software: you can redistribute it and/or modify
|
||
|
|
* it under the terms of the GNU Affero General Public License as published by
|
||
|
|
* the Free Software Foundation, either version 3 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 Affero General Public License for more details.
|
||
|
|
*
|
||
|
|
* You should have received a copy of the GNU Affero General Public License
|
||
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||
|
|
*
|
||
|
|
* @category Plugin
|
||
|
|
* @package GNUsocial
|
||
|
|
* @author Mikael Nordfeldth <mmn@hethane.se>
|
||
|
|
* @copyright 2014 Free Software Foundation http://fsf.org
|
||
|
|
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
|
||
|
|
* @link https://www.gnu.org/software/social/
|
||
|
|
*/
|
||
|
|
|
||
|
|
if (!defined('GNUSOCIAL')) { exit(1); }
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Dependencies:
|
||
|
|
* php5-ffmpeg
|
||
|
|
* php5-gd
|
||
|
|
*
|
||
|
|
* Video support will depend on your ffmpeg.
|
||
|
|
*/
|
||
|
|
|
||
|
|
class VideoThumbnailsPlugin extends Plugin
|
||
|
|
{
|
||
|
|
/*
|
||
|
|
* This function should only extract an image from the video stream
|
||
|
|
* and disregard any scaling aspects in the resulting file, since
|
||
|
|
* this will be handled in the core thumbnail algorithm.
|
||
|
|
*/
|
||
|
|
public function onCreateFileImageThumbnail(MediaFile $file, &$imgPath, $media=null)
|
||
|
|
{
|
||
|
|
// This might accidentally pass application/ogg videos.
|
||
|
|
// If that's a problem, let's fix it in the calling function.
|
||
|
|
if ($media !== 'video') {
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
$movie = new ffmpeg_movie($file->getPath(), false);
|
||
|
|
|
||
|
|
$frames = $movie->getFrameCount();
|
||
|
|
if ($frames > 0) {
|
||
|
|
$frame = $movie->getFrame(floor($frames/2));
|
||
|
|
} else {
|
||
|
|
$frame = $movie->getNextKeyFrame();
|
||
|
|
}
|
||
|
|
|
||
|
|
// We failed to get a frame.
|
||
|
|
if ($frame === null) {
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Let's save our frame to a temporary file. If we fail, remove it.
|
||
|
|
$imgPath = tempnam(sys_get_temp_dir(), 'socialthumb');
|
||
|
|
if (!imagejpeg($frame->toGDImage(), $imgPath)) {
|
||
|
|
@unlink($imgPath);
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
public function onPluginVersion(&$versions)
|
||
|
|
{
|
||
|
|
$versions[] = array('name' => 'Video Thumbnails',
|
||
|
|
'version' => GNUSOCIAL_VERSION,
|
||
|
|
'author' => 'Mikael Nordfeldth',
|
||
|
|
'homepage' => 'https://www.gnu.org/software/social/',
|
||
|
|
'rawdescription' =>
|
||
|
|
// TRANS: Plugin description.
|
||
|
|
_m('HTML5 media attachment support'));
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|