myKshowMetadataCreator.class.php

/package/app/app/alpha/apps/kaltura/lib/myKshowMetadataCreator.class.php

https://github.com/richhl/kalturaCE
PHP | 437 lines | 269 code | 88 blank | 80 comment | 39 complexity | a5fd5fad22bfae767c4ef9e40d6fbbea MD5 | raw file

<?php
require_once ( "requestUtils.class.php");





class extendedEntryMediaType

{

	public $asset_type = NULL;

	public $type = "";

}



class urlName

{

	public $url = "";

	public $name = "";

}





class myKshowMetadataCreator

{

	
	private static $IMAGE_EXT = array ( "jpg" , "gif" , "bmp" , "png" );

	private static $VIDEO_EXT = array ( "flv" );

	private static $SWF_EXT = array ( "swf" );

	private static $AUDIO_EXT = array ( "mp3" );

	private static $RTMP_PREFIX = array ( "rtmp" , "rtmpt" );

	

	

	const TYPE_RTMP = "RTMP";

	const TYPE_PD = "VIDEO";

	const TYPE_SWF = "SWF";

	const TYPE_FVSS = "FVSS";

	const TYPE_IMG = "IMG";

	const TYPE_EMPTY = "EMPTY";

	const TYPE_UNKNOWN = "?";

		

	const VIDEO_ASSET = 1;

	const VOICE_ASSET = 2;

	const AUDIO_ASSET = 3;

	const OBJECT_ASSET = 4;

	

	private $m_video_assets = NULL;

	private $m_audio_assets = NULL;

	private $m_voice_assets = NULL;

	private $m_object_assets = NULL;



	private $m_seq_play_time = 0;

	private $m_video_seq_play_time = 0;

	private $m_audio_seq_play_time = 0;

	private $m_voice_seq_play_time = 0;

	private $m_object_seq_play_time = 0;

	

	public function createMetadata ( $kshow_id )

	{

//		echo ( "createMetadata for [$kshow_id]\n" );

		$kshow = kshowPeer::retrieveByPK( $kshow_id );

		$show_entry_id = $kshow->getShowEntryId();

		$intro_id = $kshow->getIntroId();

		// fetch all entries for a kshow without the kshow entry or the intro

		// the order is ascending by creation date of the entry



		// if ordering by ascending ID - the intro will always be first

		$c = new Criteria ();

		$c->add ( entryPeer::KSHOW_ID , $kshow_id );

		$c->add ( entryPeer::ID , array ( $show_entry_id , $intro_id ) , Criteria::NOT_IN );

//		$c->addDescendingOrderByColumn('(' . entryPeer::ID . '=' . $intro_id . ')');

		$c->addAscendingOrderByColumn( entryPeer::ID );



//		$c->add ( entryPeer::STATUS , entryStatus::READY );

//		$c->addAscendingOrderByColumn( entryPeer::CREATED_AT );

		$entry_list = entryPeer::doSelect( $c );

		

//		echo ( "kshow [$kshow_id] has " . count ( $entry_list ) . " entries\n" );

		

		return $this->createMetadataForList ( $entry_list );

	}

	

	// creates the XML for all the entries in the list

	private function createMetadataForList ( $entry_list )

	{

		if ( $entry_list == NULL )

		{

			return "<xml></xml>";

		}

		

		$xml = "<xml>";

		

		$xml .= $this->beginAssetLists ();

		

		foreach ( $entry_list as $entry )

		{

			

			$extended_type = self::getEntryType ( $entry );

			$type = $extended_type->asset_type;

			

			if ( self::VIDEO_ASSET	== $type )

			{

				$this->addVideoAsset ( $entry , $extended_type);

			}

			elseif (self::AUDIO_ASSET == $type )

			{

				$this->addAudioAsset ( $entry , $extended_type);

			}

			elseif ( self::OBJECT_ASSET == $type )

			{

				$this->addObjectAsset ( $entry , $extended_type);

			}

			else

			{

				$this->addObjectAsset ( $entry , $extended_type);

			}

		}

		

		$this->finalizeAssetLists ();

		

		$xml .= $this->m_video_assets;

		$xml .= $this->m_audio_assets;

		$xml .= $this->m_voice_assets;

		$xml .= $this->m_object_assets;

		

		

		$xml .= "</xml>";

		

		return $xml;

	}

	

	private function addVideoAsset ( entry $entry , $extended_type)

	{

		

/*

 * OLD:		

		<vidAsset seqPlayTime="0" type="RTMP" name="dugag" url="rtmp://8.6.95.164:1935/kplayer/_definst_">

		<StreamInfo file_name="dugag" posX="0" posY="0" start_byte="0" end_byte="0" start_time="3.5" len_time="3.5" volume="0" pan="0" />

		<EndTransition property="alpha" type="smoothEaseOut" length="1" />

		<!--<Effect type="" length="" specialElements="" />-->

		</vidAsset>





    <vidAsset k_id="3" type="IMAGE" name="Deanna Wilkinson entry" url="http://localhost/images/templates/entry/data/13.jpg">

      <StreamInfo file_name="http://localhost/images/templates/entry/data/13.jpg" posX="0" posY="0" start_byte="-1" end_byte="-1" start_time="0" len_time="1" volume="0" pan="0" isSingleFrame="0"/>

      <EndTransition type="None" StartTime="1" length="0"/>

    </vidAsset>

    <vidAsset k_id="1402" type="VIDEO" name="Gina Mattila entry" url="http://localhost/images/templates/entry/data/9.flv" fix_status="Missing file or invalid FLV structure">

      <StreamInfo file_name="http://localhost/images/templates/entry/data/9.flv" posX="0" posY="0" start_byte="-1" end_byte="-1" start_time="103.24" len_time="45.97000000000001" volume="1" pan="0" isSingleFrame="0"/>

      <EndTransition type="None" StartTime="45.97000000000001" length="0"/>

    </vidAsset>



*/



		// create EMPTY filler (if needed)

		$asset = $this->createEmptyAsset ( "vidAsset" , $this->m_video_seq_play_time );



		$url_name = self::getUrlAndName ( $entry );

		$url = $url_name->url;

		$name = str_replace ( '"' , "&quot;" ,$url_name->name ) ;



// stub

		$len_time = ((int)($entry->getLengthInMsecs()/100)) /10;

		$start_time = 0;

		$volume = 0.5;

		

		$start_time = max ( 0 , $len_time - 1 );

		$length = $len_time - $start_time;

		$asset .= self::createEntryComment( $entry );

		

		$is_ready = $entry->getStatus() == entryStatus::READY;

		// if the entry is not ready - comment out the whole element and DON"T increment the $this->m_seq_play_time !!

		if ( ! $is_ready )

		{

			$asset .= "<!-- faild to convert. see conversion log for entry_id " . $entry->getId() . "\n" ;

		}

		$asset  .= '<vidAsset k_id="' . $entry->getId()  . '" seqPlayTime="' . $this->m_seq_play_time . '" type="' . $extended_type->type . '" name="' . $url_name->name . '" url="' . $url_name->url . '">' . "\n" .

		'<StreamInfo file_name="' . $name . '" posX="0" posY="0" start_byte="-1" end_byte="-1" start_time="' .$start_time . '" len_time="'. $len_time. '" volume="'. $volume .'" pan="0" />' . "\n" .

		'<EndTransition type="none" StartTime="' . $start_time . '" length="' . $length . '" />' . "\n" .

		'</vidAsset>' . "\n";

		

		if ( ! $is_ready )

		{

			$asset .= "-->" . "\n";

		}

		else

		{

			// increment the counter only if ready 

			$this->m_seq_play_time += 	$len_time;

		}

		

		$this->m_video_assets .= $asset;

		$this->m_video_seq_play_time = $this->m_seq_play_time;

	}



/*	

	private function addVideoEmpty ( $entry , $len_time )

	{

		$asset = self::createEntryComment( $entry );

		$asset .= self::createEmptyAsset( "vidAsset" , $this->m_seq_play_time  ,  $len_time );

		$this->m_video_assets .= $asset;

	}

	*/



	private function addAudioAsset ( $entry , $extended_type)

	{

		

		/*

		 <AudAsset seqPlayTime="0" type="FLV" name="savage" url="rtmp://8.6.95.164:1935/kplayer/_definst_">

			<StreamInfo file_name="savage" start_time="5" len_time="4" volume="0.3" pan="0" />

		</AudAsset>



		 */



		// create EMPTY filler (if needed)

		$asset = $this->createEmptyAsset ( "AudAsset" , $this->m_audio_seq_play_time );

		

		$url_name = self::getUrlAndName ( $entry );

		// stub

		$len_time = 8;

		$start_time = 2;

		$volume = 0.5;



		$asset .= self::createEntryComment( $entry );

		$asset .= '<AudAsset seqPlayTime="' . $this->m_seq_play_time . '" type="' . $extended_type->type . '" name="' . $url_name->name . '" url="' . $url_name->url . '">' . "\n" .

		'<StreamInfo file_name="' . $name . '"  start_time="' .$start_time . '" len_time="'. $len_time. '" volume="'. $volume .'" pan="0" />' . "\n" .

		'</AudAsset>' . "\n" ;



		$this->m_audio_assets .= $asset;



		// make sure there is an EMPTY in the video asset list

//		$this->addVideoEmpty( $entry, $len_time);

		

		

		$this->m_seq_play_time += 	$len_time;

		$this->m_audio_seq_play_time = $this->m_seq_play_time;

	}



	

	private function addObjectAsset ( $entry , $extended_type )

	{

		/*

		 <ldrAsset seqPlayTime="0" type="SWF" name="levLevitated" url="swf_n_img">

			<StreamInfo file_name="levLevitated.swf" posX="30" posY="50" len_time="2.5" sizeW="200" sizeH="120" />

			<!--<EndTransition property="alpha" type="smoothEaseOut" length="1" />

			<Effect type="" length="" specialElements="" />-->

			</ldrAsset>



		 */



		// create EMPTY filler )if needed)

		$asset = "" ; //$this->createEmptyAsset ( "ldrAsset" , $this->m_object_seq_play_time );

		

		$url_name = self::getUrlAndName ( $entry );



		// stub

		$len_time = 4;

		$start_time = 0;

		$volume = 0.5;



		$asset .= self::createEntryComment( $entry );

		

		if ( $extended_type->type == self::TYPE_UNKNOWN )		$asset .= "<!-- " . "\n" ;

		$asset .= '<ldrAsset seqPlayTime="' . $this->m_seq_play_time . '" type="' . $extended_type->type . '" name="' . $url_name->name . '" url="' . $url_name->url . '">' . "\n" .

		'<StreamInfo file_name="' . $url_name->name . '"  len_time="'. $len_time . '" posX="30" posY="50"  sizeW="200" sizeH="120" />' . "\n" .

		'</ldrAsset>' . "\n" ;

		if ( $extended_type->type == self::TYPE_UNKNOWN )		$asset .= " --> ". "\n";

		

		$this->m_object_assets .= $asset;



		// make sure there is an EMPTY in the video asset list

//		$this->addVideoEmpty( $entry,$len_time);





		$this->m_seq_play_time += 	$len_time;

		$this->m_object_seq_play_time = $this->m_seq_play_time;

	}

	





	private function createEmptyAsset( $asset_tag , &$seq_play_time)

	{

		$str = "";

		$len_time =  $this->m_seq_play_time - $seq_play_time ;

		if ( $len_time > 0 )

		{

			// have to fill the gap

			$str = self::createEmptyAssetImpl ( $asset_tag , $seq_play_time , $len_time );

			$str .= "\n";

			$seq_play_time = $this->m_seq_play_time ;

		}



		return $str;

	}



	private static function createEmptyAssetImpl ( $asset_tag , $seq_play_time , $len_time )

	{



/*

 * 

  		<vidAsset seqPlayTime="10.7" type="EMPTY" >

 			<StreamInfo len_time="2.3" />

 		</vidAsset>

 *

 */	

			

	$str = "<$asset_tag seqPlayTime=\"$seq_play_time\" type=\"EMPTY\">". "\n" . 

		"<StreamInfo len_time=\"$len_time\" />" . "\n" .	

		"</$asset_tag>" . "\n";

			

		return $str;

	}

	

	private static function createEntryComment ( $entry )

	{

		return "<!-- id:" . $entry->getId() . "-->\n";

	}

	

	// check the entry type - but more importatn - check the extension of the data

	private static function getEntryType ( $entry )

	{

		$extended_entry_type = new extendedEntryMediaType();

		$entry_type = $entry->getMediaType(); // this is assumed to be correct 



		$data = kFileSyncUtils::getReadyLocalFilePathForKey($entry->getSyncKey(entry::FILE_SYNC_ENTRY_SUB_TYPE_DATA)); // replaced__getDataPath

		

		$ext = pathinfo($data, PATHINFO_EXTENSION );



		

		if ( $ext == NULL || $ext == "" )

		{



			// if tehre is no extensio - ASSUME : entry::ENTRY_MEDIA_TYPE_VIDEO

			$extended_entry_type->asset_type = self::VIDEO_ASSET;

			if ( kString::beginsWith( $data , self::$RTMP_PREFIX ) )

			{

				$extended_entry_type->type = self::TYPE_RTMP;

			}

			else

			{

				$extended_entry_type->type = self::TYPE_PD ;// assume progressive download

			} 

		}

		else

		{

			// there is an extension -

			if ( in_array ( $ext , self::$IMAGE_EXT ))

			{

				$extended_entry_type->asset_type = self::VIDEO_ASSET;

				$extended_entry_type->type = self::TYPE_IMG;

			}

			elseif ( in_array( $ext , self::$VIDEO_EXT ))

			{

				$extended_entry_type->asset_type = self::VIDEO_ASSET;

				$extended_entry_type->type = self::TYPE_PD;



				// for now - use RTMP as the download method for video

				//$extended_entry_type->type = self::TYPE_RTMP;

				

			}

			elseif ( in_array( $ext , self::$SWF_EXT ))

			{

				$extended_entry_type->asset_type = self::OBJECT_ASSET;

				$extended_entry_type->type = self::TYPE_SWF;

			}

			elseif ( in_array( $ext , self::$AUDIO_EXT ))

			{

				$extended_entry_type->asset_type = self::AUDIO_ASSET;

				$extended_entry_type->type = self::TYPE_PD;

			}

			else

			{

				// choose some default for unknown extensions

				$extended_entry_type->asset_type = self::OBJECT_ASSET;

				$extended_entry_type->type = self::TYPE_UNKNOWN;

			}

				

		}

	

		return $extended_entry_type;

	}

	

	private static function getUrlAndName ( $entry )

	{

		$data = kFileSyncUtils::getReadyLocalFilePathForKey($entry->getSyncKey(entry::FILE_SYNC_ENTRY_SUB_TYPE_DATA)); // replaced__getDataPath

		$entry_type = self::getEntryType ( $entry );

		if ( $entry_type->type == self::TYPE_RTMP )

		{

			// the url should be where the RTMP service is 

			$url = self::getRTMPPath ();

			// the name should start with the content directory

			// and should not include the file extension !

			$name = pathinfo($data, PATHINFO_DIRNAME) . "/" . kFile::getFileNameNoExtension( $data );

		}

		else

		{

			$url = requestUtils::getHost() . $data ;

			$name = pathinfo($data, PATHINFO_BASENAME);

		}

		

		$url_name = new urlName ();

		$url_name->url = $url;

		$url_name->name = $name;

		

		return $url_name;

	}

	

	private function beginAssetLists ()

	{

		if ( $this->m_video_assets == NULL ) $this->m_video_assets .= "<VideoAssets>" . "\n";

		if ( $this->m_audio_assets == NULL ) $this->m_audio_assets .= "<AudioAssets>" . "\n" ;

		if ( $this->m_voice_assets == NULL ) $this->m_voice_assets .= "<VoiceAssets>" . "\n" ;

		if ( $this->m_object_assets == NULL ) $this->m_object_assets .= "<LoaderObjectAssets>" . "\n";

	}



	private function finalizeAssetLists ()

	{

		if ( $this->m_video_assets != NULL ) $this->m_video_assets .= "</VideoAssets>" . "\n" ;

		if ( $this->m_audio_assets != NULL ) $this->m_audio_assets .= "</AudioAssets>" . "\n" ;

		if ( $this->m_voice_assets != NULL ) $this->m_voice_assets .= "</VoiceAssets>" . "\n" ;

		if ( $this->m_object_assets != NULL ) $this->m_object_assets .= "</LoaderObjectAssets>" . "\n";

	}



	private static function getContentPath ()

	{

		return requestUtils::getHost () ;

	}

	

	private static function getRTMPPath ()

	{

		$url = "rtmp://";

		$url .= $_SERVER['HTTP_HOST'];



		// add herd-coded the kplayer service

		$url .= ":1935/kplayer/_definst_";

		

		return $url;

	}



}




?>