1 files changed, 175 insertions, 0 deletions
diff --git a/extensions/TimedMediaHandler/handlers/WebMHandler/WebMHandler.php b/extensions/TimedMediaHandler/handlers/WebMHandler/WebMHandler.php
new file mode 100644
index 00000000..ebdad0d1
--- /dev/null
+++ b/extensions/TimedMediaHandler/handlers/WebMHandler/WebMHandler.php
@@ -0,0 +1,175 @@
+<?php
+/**
+ * WebM handler
+ */
+class WebMHandler 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['matroska'] );
+		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;
+		}
+
+		$size = array( false, false );
+		// display_x/display_y is only set if DisplayUnit
+		// is pixels, otherwise display_aspect_ratio is set
+		if ( isset( $metadata['video']['display_x'] )
+				&&
+			isset( $metadata['video']['display_y'] )
+		){
+			$size = array (
+				$metadata['video']['display_x'],
+				$metadata['video']['display_y']
+			);
+		}
+		elseif ( isset( $metadata['video']['resolution_x'] )
+				&&
+			isset( $metadata['video']['resolution_y'] )
+		){
+			$size = array (
+				$metadata['video']['resolution_x'],
+				$metadata['video']['resolution_y']
+			);
+			if ( isset($metadata['video']['crop_top']) ) {
+				$size[1] -= $metadata['video']['crop_top'];
+			}
+			if ( isset($metadata['video']['crop_bottom']) ) {
+				$size[1] -= $metadata['video']['crop_bottom'];
+			}
+			if ( isset($metadata['video']['crop_left']) ) {
+				$size[0] -= $metadata['video']['crop_left'];
+			}
+			if ( isset($metadata['video']['crop_right']) ) {
+				$size[0] -= $metadata['video']['crop_right'];
+			}
+		}
+		if ( $size[0] && $size[1] && isset( $metadata['video']['display_aspect_ratio'] ) ) {
+			//for wide images (i.e. 16:9) take native height as base
+			if ( $metadata['video']['display_aspect_ratio'] >= 1 ) {
+				$size[0] = intval( $size[1] * $metadata['video']['display_aspect_ratio'] );
+			} else { //for tall images (i.e. 9:16) take width as base
+				$size[1] = intval( $size[0] / $metadata['video']['display_aspect_ratio'] );
+			}
+		}
+		return $size;
+	}
+
+	/**
+	 * @param $file
+	 * @return string
+	 */
+	function getMetadataType( $file ) {
+		return 'webm';
+	}
+
+	/**
+	 * @param $file File
+	 * @return String
+	 */
+	function getWebType( $file ) {
+		$baseType =  ( $file->getWidth() == 0 && $file->getHeight() == 0 )? 'audio' : 'video';
+
+		$streams = $this->getStreamTypes( $file );
+		if ( !$streams ) {
+			return $baseType . '/webm';
+		}
+
+		$codecs = strtolower( implode( ', ', $streams ) );
+
+		return $baseType . '/webm; codecs="' . $codecs . '"';
+	}
+
+	/**
+	 * @param $file File
+	 * @return array|bool
+	 */
+	function getStreamTypes( $file ) {
+		$streamTypes = array();
+		$metadata = $this->unpackMetadata( $file->getMetadata() );
+		if ( !$metadata || isset( $metadata['error'] ) ) {
+			return false;
+		}
+		// id3 gives 'V_VP8' for what we call VP8
+		if( isset( $metadata['video'] ) && $metadata['video']['dataformat'] == 'vp8' ){
+			$streamTypes[] =  'VP8';
+		} elseif( isset( $metadata['video'] ) &&
+			( $metadata['video']['dataformat'] === 'vp9'
+			|| $metadata['video']['dataformat'] === 'V_VP9'
+		) ) {
+			// Currently getID3 calls it V_VP9. That will probably change to vp9
+			// once getID3 actually gets support for the codec.
+			$streamTypes[] =  'VP9';
+		}
+		if( isset( $metadata['audio'] ) && $metadata['audio']['dataformat'] == 'vorbis' ){
+			$streamTypes[] =  'Vorbis';
+		} elseif ( isset( $metadata['audio'] ) &&
+			( $metadata['audio']['dataformat'] == 'opus'
+			|| $metadata['audio']['dataformat'] == 'A_OPUS'
+		) ) {
+			// Currently getID3 calls it A_OPUS. That will probably change to 'opus'
+			// once getID3 actually gets support for the codec.
+			$streamTypes[] = 'Opus';
+		}
+
+		return $streamTypes;
+	}
+
+	/**
+	 * @param $file File
+	 * @return String
+	 */
+	function getShortDesc( $file ) {
+		global $wgLang;
+
+		$streamTypes = $this->getStreamTypes( $file );
+		if ( !$streamTypes ) {
+			return parent::getShortDesc( $file );
+		}
+		return wfMessage( 'timedmedia-webm-short-video', implode( '/', $streamTypes ),
+			$wgLang->formatTimePeriod( $this->getLength( $file ) ) )->text();
+	}
+
+	/**
+	 * @param $file File
+	 * @return String
+	 */
+	function getLongDesc( $file ) {
+		global $wgLang;
+		$streamTypes = $this->getStreamTypes( $file );
+		if ( !$streamTypes ) {
+			return parent::getLongDesc( $file );
+		}
+		return wfMessage('timedmedia-webm-long-video',
+			implode( '/', $streamTypes ),
+			$wgLang->formatTimePeriod( $this->getLength($file) ),
+			$wgLang->formatBitrate( $this->getBitRate( $file ) )
+		)->numParams(
+			$file->getWidth(),
+			$file->getHeight()
+		)->text();
+
+	}
+
+}