diff -urpN media_youtube.old/includes/media_youtube.admin.inc media_youtube/includes/media_youtube.admin.inc
--- media_youtube.old/includes/media_youtube.admin.inc	2010-10-10 19:39:30.000000000 +0200
+++ media_youtube/includes/media_youtube.admin.inc	2011-01-27 17:05:06.000000000 +0100
@@ -118,6 +118,13 @@ function media_youtube_admin_form() {
     '#description' => t("If checked, additional info, such as title and rating, will NOT be displayed on the YouTube player."),
   );
 
+  $form['player']['player_options'][media_youtube_variable_name('html5_player')] = array(
+    '#type' => 'checkbox',
+    '#title' => t('Use the HTML5 player instead of the Flash-based'),
+    '#default_value' => media_youtube_variable_get('html5_player'),
+    '#description' => t("If checked, the HTML5 capable player will be used instead of the regular flash-based. This is achieved as an iframe."),
+  );
+
   $form['player']['jwflv'] = array(
     '#type' => 'fieldset',
     '#title' => t('JW FLV Media Player Options'),
diff -urpN media_youtube.old/media_youtube.module media_youtube/media_youtube.module
--- media_youtube.old/media_youtube.module	2010-11-12 16:58:57.000000000 +0100
+++ media_youtube/media_youtube.module	2011-01-27 17:15:45.000000000 +0100
@@ -60,6 +60,12 @@ function media_youtube_theme($existing, 
       'file' => 'media_youtube.theme.inc',
       'template' => 'media-youtube-flash',
     ),
+    'media_youtube_html5'  => array(
+      'arguments' => array('variables' => array()),
+      'path' => $path .'/themes',
+      'file' => 'media_youtube.theme.inc',
+      'template' => 'media-youtube-html5',
+    ),
     'media_youtube_default_external' => array(
       'arguments' => array('variables' => array()),
       'path' => $path .'/themes',
diff -urpN media_youtube.old/providers/emvideo/youtube.inc media_youtube/providers/emvideo/youtube.inc
--- media_youtube.old/providers/emvideo/youtube.inc	2010-11-12 16:58:57.000000000 +0100
+++ media_youtube/providers/emvideo/youtube.inc	2011-01-31 13:04:35.000000000 +0100
@@ -275,7 +275,12 @@ function emvideo_youtube_video($video_id
   $options['item'] = isset($options['item']) ? $options['item'] : $item;
   $options['node'] = isset($options['node']) ? $options['node'] : $node;
   $options['autoplay'] = isset($options['autoplay']) ? $options['autoplay'] : $autoplay;
-  $output = theme('media_youtube_flash', $options);
+  $html5_instead_of_flash = media_youtube_variable_get('html5_player');
+  if ($html5_instead_of_flash) {
+    $output = theme('media_youtube_html5', $options);
+  } else {
+    $output = theme('media_youtube_flash', $options);
+  }
   return $output;
 }
 
diff -urpN media_youtube.old/themes/media-youtube-html5.tpl.php media_youtube/themes/media-youtube-html5.tpl.php
--- media_youtube.old/themes/media-youtube-html5.tpl.php	1970-01-01 01:00:00.000000000 +0100
+++ media_youtube/themes/media-youtube-html5.tpl.php	2011-01-31 11:31:10.000000000 +0100
@@ -0,0 +1,13 @@
+<?php
+// $Id:
+
+/**
+ * @file media_youtube/themes/media-youtube-html5.tpl.php
+ *
+ * Template file for Media: YouTube's theme('media_youtube_html5').
+ *
+ * This will display YouTube's HTML5 video in an iframe.
+ *
+ */
+?>
+<iframe id="media-youtube-html5-<?php echo $id; ?>" title="YouTube video player" class="youtube-player" type="text/html" width="<?php echo $width; ?>" height="<?php echo $height; ?>" src="<?php echo $url; ?>?hd=1" frameborder="0"<?php if ($fullscreen_value == 'true') { echo ' allowFullScreen'; } ?>></iframe>
\ No newline at end of file
diff -urpN media_youtube.old/themes/media_youtube.theme.inc media_youtube/themes/media_youtube.theme.inc
--- media_youtube.old/themes/media_youtube.theme.inc	2010-11-12 16:58:57.000000000 +0100
+++ media_youtube/themes/media_youtube.theme.inc	2011-01-31 11:37:07.000000000 +0100
@@ -30,6 +30,18 @@ function theme_media_youtube_video_uploa
   return "<div class='media-youtube-status-upload-failed'>$message</div>";
 }
 
+function template_preprocess_media_youtube_html5(&$variables) {
+  // Merge in our default variables.
+  $variables = array_merge($variables, $variables['variables']);
+
+  $video_id = $variables['video_id'];
+  $variables['url'] = isset($variables['url']) ? $variables['url'] : "http://www.youtube.com/v/$video_id";
+  $variables['url'] = check_plain($variables['url']);
+  $variables['width'] = check_plain($variables['width']);
+  $variables['height'] = check_plain($variables['height']);
+  $variables['fullscreen_value'] = check_plain($variables['fullscreen_value']);
+}
+
 function template_preprocess_media_youtube_default_external(&$variables) {
   // Merge in our default variables.
   $variables = array_merge($variables, $variables['variables']);