WIP new Worker class and worker shell script

lib/HandBrakeCluster/Worker.class.php

@@ -0,0 +1,85 @@
+<?php
+
+class HandBrakeCluster_Worker {
+    
+    const DEINTERLACE_ALWAYS      = 1;
+    const DEINTERLACE_SELECTIVELY = 2;
+    
+    public function __construct() {
+        $gearman = new GearmanWorker();
+        $gearman->addServers($config->get('rips.job_servers'));
+        $gearman->addFunction('handbrake_rip', 'hbc_gearman_handbrake_rip');
+    }
+    
+    public function start() {
+        while($gearman->work()) {
+            if ($gearman->returnCode() != GEARMAN_SUCCESS) {
+                break;
+            }
+        }
+        
+        return true;
+    }
+    
+    public function handbrakeRip($client_job_id, $rip_options) {
+        $handbrake_cmd_raw = array(
+            '-n', $config->get('rips.nice'),
+            $config->get('rips.handbrake_binary'),
+            self::evaluateOption($rip_options, 'input_filename', '-i'),
+            self::evaluateOption($rip_options, 'real_output_filename', '-o'),
+            self::evaluateOption($rip_options, 'title'),
+            self::evaluateOption($rip_options, 'format', '-f'),
+            self::evaluateOption($rip_options, 'video_codec', '-e'),
+            self::evaluateOption($rip_options, 'quantizer', '-q'),
+            self::evaluateOption($rip_options, 'video_width', '-w'),
+            self::evaluateOption($rip_options, 'video_height', '-l'),
+            self::evaluateOption($rip_options, 'deinterlace'),
+            self::evaluateOption($rip_options, 'audio_tracks', '-a'),
+            self::evaluateOption($rip_options, 'audio_codec', '-E'),
+            self::evaluateOption($rip_options, 'audio_names', '-A'),
+            self::evaluateOption($rip_options, 'subtitle_tracks', '-s'),   
+        );
+        
+        $handbrake_cmd = array($config->get('rips.nice_binary'));
+        foreach(new RecursiveIteratorIterator(new RecursiveArrayIterator($handbrake_cmd_raw)) as $value) {
+            $handbrake_cmd[] = shell_escape_arg($value);
+        }
+        $handbrake_cmd = array_join(' ', $handbrake_cmd);
+
+        return HandBrakeCluster_ForegroundTask::execute($handbrake_cmd, null, null, null, array($this, 'callback_stdout'), array($this, 'callback_stderr'), $this);
+
+    } 
+    
+    protected static function evaluateOption(array &$rip_options, $name, $option = null) {
+        switch($name) {
+            case 'title': {
+                if (!$rip_options[$name] || int($rip_options[$name]) < 0) {
+                    return array('-L');
+                } else {
+                    return array('-t', $rip_options[$name]);
+                }
+            } break;
+            
+            case 'deinterlace': {
+                switch ($rip_options[$name]) {
+                    case self::DEINTERLACE_ALWAYS:
+                        return array('-d');
+                    case self::DEINTERLACE_SELECTIVELY:
+                        return array('-5');
+                    default:
+                        return array();
+                }
+            }
+            
+            default:
+                return array(isset($option) ? $option : $name, $rip_options[$name]);
+        } 
+    }
+    
+}
+
+function hbc_gearman_handbrake_rip(GearmanJob $job) {
+    return $worker->handbrakeRip($job->unique(), unserialize($job->workload));
+}
+
+?>

worker/handbrake-cluster-worker.php

@@ -0,0 +1,19 @@
+<?php
+
+define('HBC_File', 'worker');
+
+require_once '../config.php';
+require_once HandBrakeCluster_Lib . 'HandBrakeCluster/Main.class.php';
+
+try {
+    $main = HandBrakeCluster_Main::instance();
+    $smarty = $main->smarty();
+
+    $worker = new HandBrakeCluster_Worker();
+    $worker->start();
+    
+} catch (HandBrakeCluster_Exception $e) {
+    die("Uncaught Exception: " . $e->getMessage());
+}
+
+?>