diff --git a/lib/RippingCluster/Config.class.php b/lib/RippingCluster/Config.class.php
index 88d6064..66785a5 100644
--- a/lib/RippingCluster/Config.class.php
+++ b/lib/RippingCluster/Config.class.php
@@ -132,8 +132,8 @@ class RippingCluster_Config {
         }
 
         switch ($this->settings[$key]['type']) {
-            case TYPE_STRING_LIST:
-                return explode("\n", $this->settings[$key]['value']);
+            case self::TYPE_STRING_LIST:
+                return array_map('trim', explode("\n", $this->settings[$key]['value']));
                 
             default:
                return $this->settings[$key]['value'];
diff --git a/lib/RippingCluster/Source.class.php b/lib/RippingCluster/Source.class.php
index e602767..c3e907c 100644
--- a/lib/RippingCluster/Source.class.php
+++ b/lib/RippingCluster/Source.class.php
@@ -18,7 +18,7 @@ class RippingCluster_Source {
         $this->plugin   = $plugin;
     }
     
-    public static function isCached($source_filename) {
+    public static function isSourceCached($source_filename) {
         $main   = RippingCluster_Main::instance();
         $cache  = $main->cache();
         $config = $main->config();
@@ -26,6 +26,14 @@ class RippingCluster_Source {
         return $cache->exists($source_filename, $config->get('rips.cache_ttl'));
     }
     
+    public function isCached() {
+        $main   = RippingCluster_Main::instance();
+        $cache  = $main->cache();
+        $config = $main->config();
+
+        return $cache->exists($this->filename, $config->get('rips.cache_ttl'));
+    }
+    
     public function cache() {
         if (!$this->exists) {
             throw new RippingCluster_Exception_InvalidSourceDirectory();
diff --git a/lib/RippingCluster/Source/Plugin/Bluray.class.php b/lib/RippingCluster/Source/Plugin/Bluray.class.php
index b3a8c80..96c6082 100644
--- a/lib/RippingCluster/Source/Plugin/Bluray.class.php
+++ b/lib/RippingCluster/Source/Plugin/Bluray.class.php
@@ -19,13 +19,12 @@ class RippingCluster_Source_Plugin_Bluray extends RippingCluster_PluginBase impl
         $config = RippingCluster_Main::instance()->config();
         $directories = $config->get('source.bluray.dir');
         
+        $sources = array();    
         foreach ($directories as $directory) {
             if (!is_dir($directory)) {
                 throw new RippingCluster_Exception_InvalidSourceDirectory($directory);
             }
             
-            $sources = array();
-            
             $iterator = new RippingCluster_Utility_BlurayDirectoryIterator(new RippingCluster_Utility_VisibleFilesIterator(new DirectoryIterator($directory)));
             foreach ($iterator as /** @var SplFileInfo */ $source_vts) {
                 $sources[] = self::load($source_vts->getPathname(), false);
diff --git a/lib/RippingCluster/Source/Plugin/HandBrake.class.php b/lib/RippingCluster/Source/Plugin/HandBrake.class.php
index d961023..aec5f88 100644
--- a/lib/RippingCluster/Source/Plugin/HandBrake.class.php
+++ b/lib/RippingCluster/Source/Plugin/HandBrake.class.php
@@ -25,13 +25,12 @@ class RippingCluster_Source_Plugin_HandBrake extends RippingCluster_PluginBase i
         $config = RippingCluster_Main::instance()->config();
         $directories = $config->get('source.handbrake.dir');
         
+        $sources = array();
         foreach ($directories as $directory) {
             if (!is_dir($directory)) {
                 throw new RippingCluster_Exception_InvalidSourceDirectory($directory);
             }
             
-            $sources = array();
-            
             $iterator = new RippingCluster_Utility_DvdDirectoryIterator(new RippingCluster_Utility_VisibleFilesIterator(new DirectoryIterator($directory)));
             foreach ($iterator as /** @var SplFileInfo */ $source_vts) {
                 $sources[] = self::load($source_vts->getPathname(), false);
@@ -207,15 +206,15 @@ class RippingCluster_Source_Plugin_HandBrake extends RippingCluster_PluginBase i
         
         // Check all of the source directories specified in the config
         $source_directories = $config->get('source.handbrake.dir');
-        foreach ($source_directories as $source_basedir) { 
+        foreach ($source_directories as $source_basedir) {
             $real_source_basedir = realpath($source_basedir);
             
-            if (substr($real_source_filename, 0, strlen($real_source_basedir)) != $real_source_basedir) {
-                return false;
+            if (substr($real_source_filename, 0, strlen($real_source_basedir)) == $real_source_basedir) {
+                return true;
             }
         }
         
-        return true;
+        return false;
     }
     
 }
diff --git a/lib/RippingCluster/Source/Plugin/MkvInfo.class.php b/lib/RippingCluster/Source/Plugin/MkvInfo.class.php
new file mode 100644
index 0000000..c16ea8c
--- /dev/null
+++ b/lib/RippingCluster/Source/Plugin/MkvInfo.class.php
@@ -0,0 +1,128 @@
+<?php
+
+class RippingCluster_Source_Plugin_MkvInfo extends RippingCluster_PluginBase implements RippingCluster_Source_IPlugin {
+    
+    /**
+     * Name of this plugin
+     * @var string
+     */
+    const PLUGIN_NAME = 'MkvInfo';
+    
+    /**
+     * Name of the config setting that stores the list of source directories for this pluing
+     * @var string
+     */
+    const CONFIG_SOURCE_DIR = 'source.mkvinfo.dir';
+    
+    /**
+     * Returns a list of all Sources discovered by this plugin.
+     * 
+     * The sources are not scanned until specifically requested.
+     * 
+     * @return array(RippingCluster_Source)
+     */
+    public static function enumerate() {
+        $config = RippingCluster_Main::instance()->config();
+        $directories = $config->get(self::CONFIG_SOURCE_DIR);
+        
+        $sources = array();
+        foreach ($directories as $directory) {
+            if (!is_dir($directory)) {
+                throw new RippingCluster_Exception_InvalidSourceDirectory($directory);
+            }
+            
+            $iterator = new RippingCluster_Utility_MkvFileIterator(new RecursiveIteratorIterator(new RippingCluster_Utility_VisibleFilesRecursiveIterator(new RecursiveDirectoryIterator($directory))));
+            foreach ($iterator as /** @var SplFileInfo */ $source_mkv) {
+                $sources[] = self::load($source_mkv->getPathname(), false);
+            }
+        }
+        
+        return $sources;
+    }
+    
+    /**
+     * Creates an object to represent the given source.
+     * 
+     * The source is not actually scanned unless specifically requested.
+     * An unscanned object cannot be used until it has been manually scanned.
+     * 
+     * If requested, the source can be cached to prevent high load, and long scan times.
+     * 
+     * @param string $source_filename Filename of the source
+     * @param bool $scan Request that the source be scanned for content. Defaults to true.
+     * @param bool $use_cache Request that the cache be used. Defaults to true.
+     * @return RippingCluster_Source
+     */
+    public static function load($source_filename, $scan = true, $use_cache = true) {
+        $cache = RippingCluster_Main::instance()->cache();
+
+        // Ensure the source is a valid directory, and lies below the configured source_dir
+        if ( ! self::isValidSource($source_filename)) {
+            return new RippingCluster_Source($source_filename, self::name(), false);
+        }
+            
+        $source = null;
+        if ($use_cache && $cache->exists($source_filename)) {
+            $source = unserialize($cache->fetch($source_filename));
+        } else {
+            $source = new RippingCluster_Source($source_filename, self::name(), true);
+           
+            // TODO Populate source object with content
+            
+            // If requested, store the new source object in the cache
+            if ($use_cache) {
+                $source->cache();
+            }
+        }
+    }
+    
+    /**
+     * Creates an object to represent the given source using an encoded filename.
+     * 
+     * Wraps the call to load the source after the filename has been decoded.
+     * 
+     * @param string $encoded_filename Encoded filename of the source
+     * @param bool  $scan Request that the source be scanned for content. Defaults to true.
+     * @param bool $use_cache Request that the cache be used. Defaults to true.
+     * @return RippingCluster_Source
+     * 
+     * @see RippingCluster_Source_IPlugin::load()
+     */
+    public static function loadEncoded($encoded_filename, $scan = true, $use_cache = true) {
+        // Decode the filename
+        $source_filename = base64_decode(str_replace('-', '/', $encoded_filename));
+
+        return self::load($source_filename, $scan, $use_cache);
+    }
+    
+    /**
+     * Determins if a filename is a valid source loadable using this plugin
+     * 
+     * @param string $source_filename Filename of the source
+     * @return bool
+     */
+    public static function isValidSource($source_filename) {
+        $config = RippingCluster_Main::instance()->config();
+        
+        // Ensure the source is a valid directory, and lies below the configured source_dir
+        if ( ! is_dir($source_filename)) {
+            return false;
+        }
+        $real_source_filename = realpath($source_filename);
+        
+            // Check all of the source directories specified in the config
+        $source_directories = $config->get(self::CONFIG_SOURCE_DIR);
+        foreach ($source_directories as $source_basedir) { 
+            $real_source_basedir = realpath($source_basedir);
+            
+            if (substr($real_source_filename, 0, strlen($real_source_basedir)) != $real_source_basedir) {
+                return false;
+            }
+        }
+        
+        return true;
+    }
+    
+}
+
+?>
\ No newline at end of file
diff --git a/lib/RippingCluster/Source/PluginFactory.class.php b/lib/RippingCluster/Source/PluginFactory.class.php
index 89d6618..ec25bdc 100644
--- a/lib/RippingCluster/Source/PluginFactory.class.php
+++ b/lib/RippingCluster/Source/PluginFactory.class.php
@@ -31,7 +31,7 @@ class RippingCluster_Source_PluginFactory extends RippingCluster_PluginFactory {
         
         $sources = array();
         foreach (self::getValidPlugins() as $plugin) {
-            $sources = array_merge($sources, self::enumerate($plugin));
+            $sources[$plugin] = self::enumerate($plugin);
         }
         
         return $sources;
diff --git a/lib/RippingCluster/Utility/MkvFileIterator.class.php b/lib/RippingCluster/Utility/MkvFileIterator.class.php
new file mode 100644
index 0000000..37bd51d
--- /dev/null
+++ b/lib/RippingCluster/Utility/MkvFileIterator.class.php
@@ -0,0 +1,9 @@
+<?php
+
+class RippingCluster_Utility_MkvFileIterator extends FilterIterator {
+    public function accept() {
+        return preg_match('/\.mkv$/i', $this->current()->getFilename());
+    }
+}
+
+?>
\ No newline at end of file
diff --git a/lib/RippingCluster/Utility/VisibleFilesRecursiveIterator.class.php b/lib/RippingCluster/Utility/VisibleFilesRecursiveIterator.class.php
new file mode 100644
index 0000000..151d938
--- /dev/null
+++ b/lib/RippingCluster/Utility/VisibleFilesRecursiveIterator.class.php
@@ -0,0 +1,9 @@
+<?php
+
+class RippingCluster_Utility_VisibleFilesRecursiveIterator extends RecursiveFilterIterator {
+    public function accept() {
+        return !(substr($this->current()->getFilename(), 0, 1) == '.');
+    }
+}
+
+?>
\ No newline at end of file
diff --git a/lib/RippingCluster/Worker/Plugin/FfmpegTranscode.class.php b/lib/RippingCluster/Worker/Plugin/FfmpegTranscode.class.php
new file mode 100644
index 0000000..8d63063
--- /dev/null
+++ b/lib/RippingCluster/Worker/Plugin/FfmpegTranscode.class.php
@@ -0,0 +1,85 @@
+<?php
+
+class RippingCluster_Worker_FfmpegTranscode extends RippingCluster_PluginBase implements RippingCluster_Worker_IPlugin {
+    
+    /**
+     * Name of this plugin
+     * @var string
+     */
+    const PLUGIN_NAME = 'FfmpegTranscode';
+    
+    /**
+     * Output produced by the worker process
+     * @var string
+     */
+    private $output;
+
+    /**
+     * Gearman Job object describing the task distributed to this worker
+     * @var GearmanJob
+     */
+    private $gearman_job;
+    
+    /**
+     * Ripping Job that is being processed by this Worker
+     * @var RippingCluster_Job
+     */
+    private $job;
+    
+    /**
+     * Associative array of options describing the rip to be carried out
+     * @var array(string=>string)
+     */
+    private $rip_options;
+    
+    /**
+     * Constructs a new instance of this Worker class
+     * 
+     * @param GearmanJob $gearman_job GearmanJob object describing the task distributed to this worker
+     * @throws RippingCluster_Exception_LogicException
+     */
+    private function __construct(GearmanJob $gearman_job) {
+        $this->output = '';
+        
+        $this->gearman_job = $gearman_job;
+        
+        $this->rip_options = unserialize($this->gearman_job->workload());
+
+        if ( ! $this->rip_options['id']) {
+            throw new RippingCluster_Exception_LogicException("Job ID must not be zero/null");
+        }
+        $this->job = RippingCluster_Job::fromId($this->rip_options['id']);
+    }
+    
+    /**
+     * Returns the list of functions (and names) implemented by this plugin for registration with Gearman
+     * 
+     * @return array(string => callback)
+     */
+    public static function workerFunctions() {
+        return array(
+            'bluray_rip' => array(__CLASS__, 'rip'),
+        );
+    }
+    
+    /**
+     * Creates an instance of the Worker plugin, and uses it to execute a single job
+     *
+     * @param GearmanJob $job Gearman Job object, describing the work to be done
+     */
+    public static function rip(GearmanJob $job) {
+        $rip = new self($job);
+        $rip->execute();
+    }
+        
+    /**
+     * Executes the process for ripping the source to the final output
+     * 
+     */
+    private function execute() {
+        // TODO
+    }
+    
+}
+
+?>
\ No newline at end of file
diff --git a/webui/pages/rips/sources.php b/webui/pages/rips/sources.php
index 3aadca0..b9fc539 100644
--- a/webui/pages/rips/sources.php
+++ b/webui/pages/rips/sources.php
@@ -3,14 +3,7 @@
 $main = RippingCluster_Main::instance();
 $config = $main->config();
 
-$sources = RippingCluster_Source_PluginFactory::enumerateAll();
-
-$sources_cached = array();
-foreach ($sources as $source) {
-    $sources_cached[$source->filename()] = RippingCluster_Source::isCached($source->filename());
-}
-
-$this->smarty->assign('sources', $sources);
-$this->smarty->assign('sources_cached', $sources_cached);
+$all_sources = RippingCluster_Source_PluginFactory::enumerateAll();
+$this->smarty->assign('all_sources', $all_sources);
 
 ?>
\ No newline at end of file
diff --git a/webui/templates/rips/sources.tpl b/webui/templates/rips/sources.tpl
index 46951af..c0cbb1a 100644
--- a/webui/templates/rips/sources.tpl
+++ b/webui/templates/rips/sources.tpl
@@ -1,6 +1,6 @@
 <h2>Sources</h2>
 
-{if $sources}
+{if $all_sources}
 	<p>
 		The list below contains all the DVD sources that are available and ready for ripping.
 	</p>
@@ -9,19 +9,32 @@
 		Sources that have not been cached will be scanned when the link is clicked, and this may take several minutes so please be patient.
 	</p>
 	<ul>
-		{foreach from=$sources item=source}
-			{assign var='source_plugin' value=$source->plugin()}
-			{assign var='source_filename' value=$source->filename()}
-			{assign var='source_filename_encoded' value=$source->filenameEncoded()}
-			<li>
-				[ <a href="{$base_uri}rips/source-details/plugin/{$source_plugin}/id/{$source_filename_encoded}" title="Browse source details">Browse</a> |
-				  <a href="{$base_uri}rips/setup-rip/plugin/{$source_plugin}/id/{$source_filename_encoded}" title="Rip this source">Rip</a> ]
-				{$source_filename|escape:'html'}{if $sources_cached.$source_filename} (cached){/if}
+		{foreach from=$all_sources key=type item=sources}
+			<li>{$type}
+				{if $sources}
+					<ul>
+					{foreach from=$sources item=source}
+						{assign var='source_plugin' value=$source->plugin()}
+						{assign var='source_filename' value=$source->filename()}
+						{assign var='source_filename_encoded' value=$source->filenameEncoded()}
+						{assign var='source_cached' value="$source->isCached()}
+						<li>
+							[ <a href="{$base_uri}rips/source-details/plugin/{$source_plugin}/id/{$source_filename_encoded}" title="Browse source details">Browse</a> |
+				  			<a href="{$base_uri}rips/setup-rip/plugin/{$source_plugin}/id/{$source_filename_encoded}" title="Rip this source">Rip</a> ]
+							{$source_filename|escape:'html'}{if $source_cached} (cached){/if}
+						</li>
+					{/foreach}
+					</ul>
+    			{else}
+    				<p>
+    					<em>There are no {$type} sources available to rip.</em>
+    				</p>
+    			{/if}
 			</li>
 		{/foreach}
 	</ul>
 {else}
 	<p>
-		<em>There are currently no DVD sources available to rip.</em>
+		<em>There are currently no sources available to rip.</em>
 	</p>
 {/if}