<?php
/**
* include FFmpeg class
**/
include DIRNAME(DIRNAME(__FILE__)) . '/src/ffmpeg.class.php';
/**
* get options from database
**/
$options = array('duration' => 99, 'position' => 0, 'itsoffset' => 2);
/**
* Create command
*/
$FFmpeg = new FFmpeg('/usr/local/bin/ffmpeg');
$FFmpeg->input('/var/media/original.avi');
$FFmpeg->transpose(0)->vflip()->grayScale()->vcodec('h264')->frameRate('30000/1001');
$FFmpeg->acodec('aac')->audioBitrate('192k');
foreach ($options as $option => $values) {
$FFmpeg->call($option, $values);
}
$FFmpeg->output('/var/media/new.mp4', 'mp4');
print $FFmpeg->command;
/**
* Serve a converted web compatible video
* URL structure: projekktor/<guid>/<format>/
*
* @param array $page Page segments array
*/
function elgg_file_viewer_projekktor_video($page)
{
$enable_ffmpeg = elgg_get_plugin_setting('enable_ffmpeg', 'elgg_file_viewer');
if ($enable_ffmpeg != 'yes') {
return false;
}
$guid = elgg_extract(0, $page, null);
$file = get_entity($guid);
if (!elgg_instanceof($file, 'object', 'file')) {
return false;
}
$info = pathinfo($file->getFilenameOnFilestore());
$filename = $info['filename'];
$format = elgg_extract(1, $page);
$output = new ElggFile();
$output->owner_guid = $file->owner_guid;
$output->setFilename("projekktor/{$file->guid}/{$filename}.{$format}");
if (!$output->size()) {
try {
$filestorename = $output->getFilenameOnFilestore();
$output->open('write');
$output->close();
$ffmpeg_path = elgg_get_plugin_setting('ffmpeg_path', 'elgg_file_viewer');
$FFmpeg = new FFmpeg($ffmpeg_path);
$FFmpeg->input($file->getFilenameOnFilestore())->output($filestorename)->ready();
elgg_log("Converting file {$file->guid} to {$format}: {$FFmpeg->command}", 'NOTICE');
} catch (Exception $e) {
elgg_log($e->getMessage(), 'ERROR');
}
}
$mime = elgg_file_viewer_get_mime_type($file);
$base_type = substr($mime, 0, strpos($mime, '/'));
header("Pragma: public");
header("Content-type: {$base_type}/{$format}");
header("Content-Disposition: attachment; filename=\"{$filename}.{$format}\"");
ob_clean();
flush();
readfile($output->getFilenameOnFilestore());
}
/**
* Convert a video/audio file to a web compatible format
*
* @param ElggFile $file File entity
* @param string $format Format to convert to (extension)
* @return ElggFile|false
*/
function elgg_file_viewer_convert_file($file, $format)
{
if (!$file instanceof ElggFile || !$format) {
return false;
}
$ffmpeg_path = elgg_get_plugin_setting('ffmpeg_path', 'elgg_file_viewer');
if (!$ffmpeg_path) {
return false;
}
$info = pathinfo($file->getFilenameOnFilestore());
$filename = $info['filename'];
$output = new ElggFile();
$output->owner_guid = $file->owner_guid;
$output->setFilename("projekktor/{$file->guid}/{$filename}.{$format}");
$output->open('write');
$output->close();
try {
$FFmpeg = new FFmpeg($ffmpeg_path);
if (!$file->icontime) {
$icon = new ElggFile();
$icon->owner_guid = $file->owner_guid;
$icon->setFilename("projekktor/{$file->guid}/{$filename}.jpg");
$FFmpeg->input($file->getFilenameOnFilestore())->thumb(0, 1)->output($icon->getFilenameOnFilestore())->ready();
if ($icon->exists()) {
$file->icontime = time();
$file->ffmpeg_thumb = $icon->getFilename();
$prefix = 'file/';
$filestorename = $file->icontime . $filename . '.jpg';
$thumbnail = get_resized_image_from_existing_file($icon->getFilenameOnFilestore(), 60, 60, true);
if ($thumbnail) {
$thumb = new ElggFile();
$thumb->setMimeType($_FILES['upload']['type']);
$thumb->setFilename($prefix . "thumb" . $filestorename);
$thumb->open("write");
$thumb->write($thumbnail);
$thumb->close();
$file->thumbnail = $prefix . "thumb" . $filestorename;
unset($thumbnail);
}
$thumbsmall = get_resized_image_from_existing_file($icon->getFilenameOnFilestore(), 153, 153, true);
if ($thumbsmall) {
$thumb->setFilename($prefix . "smallthumb" . $filestorename);
$thumb->open("write");
$thumb->write($thumbsmall);
$thumb->close();
$file->smallthumb = $prefix . "smallthumb" . $filestorename;
unset($thumbsmall);
}
$thumblarge = get_resized_image_from_existing_file($icon->getFilenameOnFilestore(), 600, 600, false);
if ($thumblarge) {
$thumb->setFilename($prefix . "largethumb" . $filestorename);
$thumb->open("write");
$thumb->write($thumblarge);
$thumb->close();
$file->largethumb = $prefix . "largethumb" . $filestorename;
unset($thumblarge);
}
}
}
$FFmpeg->input($file->getFilenameOnFilestore())->output($output->getFilenameOnFilestore())->ready();
elgg_log("Converting file {$file->guid} to {$format}: {$FFmpeg->command}", 'NOTICE');
} catch (Exception $ex) {
elgg_log($ex->getMessage(), 'ERROR');
return false;
}
return $output;
}
<?php /** * include FFmpeg class **/ include DIRNAME(DIRNAME(__FILE__)) . '/src/FFmpeg.php'; $start = 1; $frames = 10; $size = '100x100'; $file = '/var/www/file.mp4'; $FFmpeg = new FFmpeg(); $FFmpeg->input($file)->thumb($size, $start, $frames)->ready();
