public static function Run()
{
chdir(realpath(dirname(__FILE__) . '/../'));
require_once 'includes/global.php';
$doc_root = Config::Get('document_root');
$DB = GetDB();
self::Log('Starting...');
self::MarkRunning();
while (true) {
// See if we were requested to stop
if (self::ShouldStop()) {
self::Log('User requested stop...');
break;
}
self::Ping();
$DB->Connect();
$queue_item = $DB->Row('SELECT * FROM `tbx_thumb_queue` ORDER BY `queued` LIMIT 1');
if (!empty($queue_item)) {
$video = $DB->Row('SELECT * FROM `tbx_video` WHERE `video_id`=?', array($queue_item['video_id']));
if (!empty($video)) {
$DB->Update('UPDATE `tbx_thumb_queue` SET `date_started`=? WHERE `video_id`=?', array(Database_MySQL::Now(), $video['video_id']));
$clips = $DB->FetchAll('SELECT * FROM `tbx_video_clip` WHERE `video_id`=? AND `type`!=? ORDER BY `clip_id`', array($queue_item['video_id'], 'Embed'));
$dir = new Video_Dir(Video_Dir::DirNameFromId($video['video_id']));
Video_FrameGrabber::SetLogFile($dir->GetBaseDir() . '/thumbnailer.log');
$thumb_start = time();
try {
if (!empty($clips)) {
$thumbs = array();
$duration = 0;
// Number of thumbs to create per clip
$amount = round(Config::Get('thumb_amount') / count($clips));
// Move existing thumbnails
$dir->MoveFiles($dir->GetThumbsDir(), $dir->GetTempDir(), JPG_EXTENSION);
// Process each clip
foreach ($clips as $clip) {
self::Ping();
// Remote video
if (preg_match('~https?://~i', $clip['clip'])) {
$http = new HTTP();
if ($http->Get($clip['clip'], $clip['clip'])) {
$video_file = $dir->AddOriginalFromVar($http->body, File::Extension($clip['clip']));
$vi = new Video_Info($video_file);
$vi->Extract();
$duration += $vi->length;
$temp_thumbs = Video_FrameGrabber::Grab($video_file, $dir->GetProcessingDir(), $amount, Config::Get('thumb_quality'), Config::Get('thumb_size'), $vi);
// Move generated thumbs from the processing directory
foreach ($temp_thumbs as $temp_thumb) {
$thumbs[] = $dir->AddThumbFromFile($temp_thumb);
}
@unlink($video_file);
}
} else {
$temp_thumbs = Video_FrameGrabber::Grab($doc_root . '/' . $clip['clip'], $dir->GetProcessingDir(), $amount, Config::Get('thumb_quality'), Config::Get('thumb_size'));
// Move generated thumbs from the processing directory
foreach ($temp_thumbs as $temp_thumb) {
$thumbs[] = $dir->AddThumbFromFile($temp_thumb);
}
}
}
// Get the relative URL for each thumb and add to database
$thumb_ids = array();
foreach ($thumbs as $thumb) {
$thumb = str_replace($doc_root, '', $thumb);
$thumb_ids[] = DatabaseAdd('tbx_video_thumbnail', array('video_id' => $video['video_id'], 'thumbnail' => $thumb));
}
// Determine number of thumbnails and select random display thumbnail
$num_thumbnails = count($thumbs);
$display_thumbnail = null;
if ($num_thumbnails > 0) {
// Select display thumbnail randomly from the first 40%
$display_thumbnail = $thumb_ids[rand(0, floor(0.4 * $num_thumbnails))];
}
$update = array('video_id' => $video['video_id'], 'num_thumbnails' => $num_thumbnails, 'display_thumbnail' => $display_thumbnail);
if (empty($video['duration']) && !empty($duration)) {
$update['duration'] = $duration;
}
DatabaseUpdate('tbx_video', $update);
// Remove old thumbnails
$DB->Update('DELETE FROM `tbx_video_thumbnail` WHERE `video_id`=?' . (!empty($thumb_ids) ? ' AND`thumbnail_id` NOT IN (' . join(',', $thumb_ids) . ')' : ''), array($video['video_id']));
$dir->ClearTemp();
}
} catch (Exception $e) {
// Restore old thumbnails
$dir->MoveFiles($dir->GetTempDir(), $dir->GetThumbsDir(), JPG_EXTENSION);
Video_FrameGrabber::Log($e->getMessage() . (strtolower(get_class($e)) == 'baseexception' ? $e->getExtras() : '') . "\n" . $e->getTraceAsString());
self::UpdateStatsProcessed($thumb_start, $thumb_end, $queue_item['queued'], true);
}
$thumb_end = time();
$DB->Update('DELETE FROM `tbx_thumb_queue` WHERE `video_id`=?', array($queue_item['video_id']));
self::UpdateStatsProcessed($thumb_start, $thumb_end, $queue_item['queued']);
}
} else {
break;
}
}
self::MarkStopped();
self::Log('Exiting...');
}
