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<?php
/**
* WAV handler
*/
class WAVHandler extends ID3Handler {
/**
* @param $file File
* @return string
*/
function getMetadataType( $file ) {
return 'wav';
}
/**
* @param $file File
* @return String
*/
function getWebType( $file ) {
return 'audio/wav';
}
function verifyUpload( $filename ) {
$metadata = $this->getID3( $filename );
if(
isset( $metadata['audio'] )
&& $metadata['audio']['dataformat'] == 'wav'
&& ( $metadata['audio']['codec'] == 'Pulse Code Modulation (PCM)' || $metadata['audio']['codec'] == 'IEEE Float' )
){
return Status::newGood();
}
return Status::newFatal( 'timedmedia-wav-pcm-required' );
}
/**
* @param $file File
* @return array|bool
*/
function getStreamTypes( $file ) {
$streamTypes = array();
$metadata = $this->unpackMetadata( $file->getMetadata() );
if ( !$metadata || isset( $metadata['error'] ) ) {
return false;
}
if( isset( $metadata['audio'] ) && $metadata['audio']['dataformat'] == 'wav' ){
$streamTypes[] = 'WAV';
}
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-wav-short-audio',
$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-wav-long-audio',
$wgLang->formatTimePeriod( $this->getLength($file) ),
$wgLang->formatBitrate( $this->getBitRate( $file ) )
)->text();
}
}
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