* @author Sven Vollbehr * @copyright Copyright (c) 2008 The PHP Reader Project Workgroup * @license http://code.google.com/p/php-reader/wiki/License New BSD License * @version $Rev: 107 $ */ abstract class MPEG_ABS_Object extends MPEG_Object { /** @var integer */ const VERSION_ONE = 3; /** @var integer */ const VERSION_TWO = 2; /** @var integer */ const VERSION_TWO_FIVE = 0; /** @var integer */ const SAMPLING_FREQUENCY_LOW = 0; /** @var integer */ const SAMPLING_FREQUENCY_HIGH = 1; /** @var integer */ const LAYER_ONE = 3; /** @var integer */ const LAYER_TWO = 2; /** @var integer */ const LAYER_THREE = 1; /** @var integer */ const CHANNEL_STEREO = 0; /** @var integer */ const CHANNEL_JOINT_STEREO = 1; /** @var integer */ const CHANNEL_DUAL_CHANNEL = 2; /** @var integer */ const CHANNEL_SINGLE_CHANNEL = 3; /** @var integer */ const MODE_SUBBAND_4_TO_31 = 0; /** @var integer */ const MODE_SUBBAND_8_TO_31 = 1; /** @var integer */ const MODE_SUBBAND_12_TO_31 = 2; /** @var integer */ const MODE_SUBBAND_16_TO_31 = 3; /** @var integer */ const MODE_ISOFF_MSSOFF = 0; /** @var integer */ const MODE_ISON_MSSOFF = 1; /** @var integer */ const MODE_ISOFF_MSSON = 2; /** @var integer */ const MODE_ISON_MSSON = 3; /** @var integer */ const EMPHASIS_NONE = 0; /** @var integer */ const EMPHASIS_50_15 = 1; /** @var integer */ const EMPHASIS_CCIT_J17 = 3; /** * Layer III side information size lookup table. The table has the following * format. * * * array ( * SAMPLING_FREQUENCY_HIGH | SAMPLING_FREQUENCY_LOW => array ( * CHANNEL_STEREO | CHANNEL_JOINT_STEREO | CHANNEL_DUAL_CHANNEL | * CHANNEL_SINGLE_CHANNEL => * ) * ) * * * * @var Array */ protected static $sidesizes = array( self::SAMPLING_FREQUENCY_HIGH => array( self::CHANNEL_STEREO => 32, self::CHANNEL_JOINT_STEREO => 32, self::CHANNEL_DUAL_CHANNEL => 32, self::CHANNEL_SINGLE_CHANNEL => 17 ), self::SAMPLING_FREQUENCY_LOW => array( self::CHANNEL_STEREO => 17, self::CHANNEL_JOINT_STEREO => 17, self::CHANNEL_DUAL_CHANNEL => 17, self::CHANNEL_SINGLE_CHANNEL => 9 ) ); /** * Constructs the class with given parameters. * * @param Reader $reader The reader object. * @param Array $options The options array. */ public function __construct($reader, &$options = array()) { parent::__construct($reader, $options); } }