1 files changed, 107 insertions, 0 deletions
diff --git a/extensions/TimedMediaHandler/handlers/ID3Handler/ID3Handler.php b/extensions/TimedMediaHandler/handlers/ID3Handler/ID3Handler.php
new file mode 100644
index 00000000..1e3ae4fb
--- /dev/null
+++ b/extensions/TimedMediaHandler/handlers/ID3Handler/ID3Handler.php
@@ -0,0 +1,107 @@
+<?php
+/**
+ * getID3 Metadata handler
+ */
+class ID3Handler extends TimedMediaHandler {
+	// XXX match GETID3_VERSION ( too bad version is not a getter )
+	const METADATA_VERSION = 2;
+
+	/**
+	 * @param $path string
+	 * @return array
+	 */
+	protected function getID3( $path ) {
+		// Create new id3 object:
+		$getID3 = new getID3();
+
+		// Don't grab stuff we don't use:
+		$getID3->option_tag_id3v1         = false;  // Read and process ID3v1 tags
+		$getID3->option_tag_id3v2         = false;  // Read and process ID3v2 tags
+		$getID3->option_tag_lyrics3       = false;  // Read and process Lyrics3 tags
+		$getID3->option_tag_apetag        = false;  // Read and process APE tags
+		$getID3->option_tags_process      = false;  // Copy tags to root key 'tags' and encode to $this->encoding
+		$getID3->option_tags_html         = false;  // Copy tags to root key 'tags_html' properly translated from various encodings to HTML entities
+
+		// Analyze file to get metadata structure:
+		$id3 = $getID3->analyze( $path );
+
+		// remove file paths
+		unset( $id3['filename'] );
+		unset( $id3['filepath'] );
+		unset( $id3['filenamepath']);
+
+		// Update the version
+		$id3['version'] = self::METADATA_VERSION;
+
+		return $id3;
+	}
+
+	/**
+	 * @param $file File
+	 * @param $path string
+	 * @return string
+	 */
+	function getMetadata( $file, $path ) {
+		$id3 = $this->getID3( $path );
+		return serialize( $id3 );
+	}
+
+	/**
+	 * @param $metadata
+	 * @return bool|mixed
+	 */
+	function unpackMetadata( $metadata ) {
+		wfSuppressWarnings();
+		$unser = unserialize( $metadata );
+		wfRestoreWarnings();
+		if ( isset( $unser['version'] ) && $unser['version'] == self::METADATA_VERSION ) {
+			return $unser;
+		} else {
+			return false;
+		}
+	}
+
+	/**
+	 * @param $file File
+	 * @return mixed
+	 */
+	function getBitrate( $file ){
+		$metadata = $this->unpackMetadata( $file->getMetadata() );
+		if ( !$metadata || isset( $metadata['error'] ) || !isset( $metadata['bitrate'] ) ) {
+			return 0;
+		} else {
+			return $metadata['bitrate'];
+		}
+	}
+
+	/**
+	 * @param $file File
+	 * @return int
+	 */
+	function getLength( $file ) {
+		$metadata = $this->unpackMetadata( $file->getMetadata() );
+		if ( !$metadata || isset( $metadata['error'] ) || !isset( $metadata['playtime_seconds'] ) ) {
+			return 0;
+		} else {
+			return $metadata['playtime_seconds'];
+		}
+	}
+
+	/**
+	 * @param $file File
+	 * @return bool|int
+	 */
+	function getFramerate( $file ){
+		$metadata = $this->unpackMetadata( $file->getMetadata() );
+		if ( !$metadata || isset( $metadata['error'] ) ) {
+			return 0;
+		} else {
+			// return the frame rate of the first found video stream:
+			if( isset( $metadata['video'] )
+				&& isset( $metadata['video']['frame_rate'] ) ) {
+				return $metadata['video']['frame_rate'];
+			}
+			return false;
+		}
+	}
+}