Bring tests from wpcom and refactor for Jetpack.

Had to pull out the hashtags test because they're strictly disabled
in this code. Also fixed audio and wpvideo ids that weren't being
included in extract.

Author: scotchfield

class.media-extractor.php

@@ -21,9 +21,9 @@ class Jetpack_Media_Meta_Extractor {
 	private static $KEEPER_SHORTCODES = array(
 		'youtube',
 		'vimeo',
-		'hulu',
 		'ted',
 		'wpvideo',
+		'audio',
 	);
 
 	/**

modules/shortcodes.php

@@ -68,6 +68,22 @@ function jetpack_audio_atts_handler( $out, $pairs, $atts ) {
 
 		return $out;
 	}
+
+	function jetpack_shortcode_get_audio_id( $atts ) {
+		if ( isset( $atts[ 0 ] ) )
+			return $atts[ 0 ];
+		else
+			return 0;
+	}
+}
+
+if ( ! function_exists( 'jetpack_shortcode_get_wpvideo_id' ) ) {
+	function jetpack_shortcode_get_wpvideo_id( $atts ) {
+		if ( isset( $atts[ 0 ] ) )
+			return $atts[ 0 ];
+		else
+			return 0;
+	}
 }
 
 jetpack_load_shortcodes();

modules/videopress/videopress.php

@@ -730,14 +730,5 @@ function videopress_shortcode_options( $options ) {
 	}
 }
 
-if ( !function_exists( 'jetpack_shortcode_get_wpvideo_id' ) ) :
-function jetpack_shortcode_get_wpvideo_id( $atts ) {
-	if ( isset( $atts[0] ) )
-		return $atts[0];
-	else
-		return 0;
-}
-endif;
-
 // Initialize the module.
 Jetpack_VideoPress::init();