1 files changed, 139 insertions, 0 deletions
diff --git a/extensions/TimedMediaHandler/handlers/Mp4Handler/Mp4Handler.php b/extensions/TimedMediaHandler/handlers/Mp4Handler/Mp4Handler.php
new file mode 100644
index 00000000..897e1017
--- /dev/null
+++ b/extensions/TimedMediaHandler/handlers/Mp4Handler/Mp4Handler.php
@@ -0,0 +1,139 @@
+<?php
+/**
+ * MP4 handler
+ */
+class Mp4Handler extends ID3Handler {
+
+	/**
+	 * @param $path string
+	 * @return array
+	 */
+	protected function getID3( $path ) {
+		$id3 = parent::getID3( $path );
+		// Unset some parts of id3 that are too detailed and matroska specific:
+		unset( $id3['quicktime'] );
+		return $id3;
+	}
+
+	/**
+	 * Get the "media size"
+	 * @param $file File
+	 * @param $path string
+	 * @param $metadata bool
+	 * @return array|bool
+	 */
+	function getImageSize( $file, $path, $metadata = false ) {
+		// Just return the size of the first video stream
+		if ( $metadata === false ) {
+			$metadata = $file->getMetadata();
+		}
+		$metadata = $this->unpackMetadata( $metadata );
+		if ( isset( $metadata['error'] ) ) {
+			return false;
+		}
+		if( isset( $metadata['video']['resolution_x'])
+				&&
+			isset( $metadata['video']['resolution_y'])
+		){
+			return array (
+				$metadata['video']['resolution_x'],
+				$metadata['video']['resolution_y']
+			);
+		}
+		return array( false, false );
+	}
+
+	/**
+	 * @param $image
+	 * @return string
+	 */
+	function getMetadataType( $image ) {
+		return 'mp4';
+	}
+	/**
+	 * @param $file File
+	 */
+	function getWebType( $file ) {
+		/**
+		 * h.264 profile types:
+			H.264 Simple baseline profile video (main and extended video compatible) level 3 and Low-Complexity AAC audio in MP4 container:
+			type='video/mp4; codecs="avc1.42E01E, mp4a.40.2"'
+
+			H.264 Extended profile video (baseline-compatible) level 3 and Low-Complexity AAC audio in MP4 container:
+			type='video/mp4; codecs="avc1.58A01E, mp4a.40.2"'
+
+			H.264 Main profile video level 3 and Low-Complexity AAC audio in MP4 container
+			type='video/mp4; codecs="avc1.4D401E, mp4a.40.2"'
+
+			H.264 ‘High’ profile video (incompatible with main, baseline, or extended profiles) level 3 and Low-Complexity AAC audio in MP4 container
+			type='video/mp4; codecs="avc1.64001E, mp4a.40.2"'
+		 */
+		// all h.264 encodes are currently simple profile
+		return 'video/mp4; codecs="avc1.42E01E, mp4a.40.2"';
+	}
+	/**
+	 * @param $file File
+	 * @return array|bool
+	 */
+	function getStreamTypes( $file ) {
+		$streamTypes = array();
+		$metadata = self::unpackMetadata( $file->getMetadata() );
+		if ( !$metadata || isset( $metadata['error'] ) ) {
+			return false;
+		}
+		if( isset( $metadata['audio'] ) && $metadata['audio']['dataformat'] == 'mp4' ){
+			if( isset( $metadata['audio']['codec'] )
+				&&
+				strpos( $metadata['audio']['codec'] , 'AAC' ) !== false
+			){
+				$streamTypes[] =  'AAC';
+			} else {
+				$streamTypes[] = $metadata['audio']['codec'];
+			}
+		}
+		// id3 gives 'V_VP8' for what we call VP8
+		if( $metadata['video']['dataformat'] == 'quicktime' ){
+			$streamTypes[] =  'h.264';
+		}
+
+		return $streamTypes;
+	}
+
+	/**
+	 * @param $file File
+	 * @return String
+	 */
+	function getShortDesc( $file ) {
+		$streamTypes = $this->getStreamTypes( $file );
+		if ( !$streamTypes ) {
+			return parent::getShortDesc( $file );
+		}
+		return wfMessage( 'timedmedia-mp4-short-video', implode( '/', $streamTypes )
+		)->timeperiodParams(
+			$this->getLength( $file )
+		)->text();
+	}
+
+	/**
+	 * @param $file File
+	 * @return String
+	 */
+	function getLongDesc( $file ) {
+		$streamTypes = $this->getStreamTypes( $file );
+		if ( !$streamTypes ) {
+			return parent::getLongDesc( $file );
+		}
+		return wfMessage('timedmedia-mp4-long-video',
+			implode( '/', $streamTypes )
+		)->timeperiodParams(
+			$this->getLength( $file )
+		)->bitrateParams(
+			$this->getBitRate( $file )
+		)->numParams(
+			$file->getWidth(),
+			$file->getHeight()
+		)->text();
+
+	}
+
+}