/** * Writes the header data. * * @param HausDesign_Io_Writer $writer The writer object. * @return void */ public function write($writer) { /* ID3v2.3.0 ExtendedHeader */ if ($this->getOption('version', 4) < 4) { $writer->writeUInt32BE($this->_size)->writeUInt16BE($this->hasFlag(self::CRC32) ? 0x8000 : 0)->writeUInt32BE($this->_padding); if ($this->hasFlag(self::CRC32)) { $writer->writeUInt32BE($this->_crc); } } else { $writer->writeUInt32BE($this->_encodeSynchsafe32($this->_size))->writeInt8(1)->writeInt8($this->_flags); if ($this->hasFlag(self::UPDATE)) { $writer->write(""); } if ($this->hasFlag(self::CRC32)) { $writer->writeInt8(5)->writeInt8($this->_crc & 0xf0000000 >> 28 & 0xf)->writeUInt32BE($this->_encodeSynchsafe32($this->_crc)); } if ($this->hasFlag(self::RESTRICTED)) { $writer->writeInt8(1)->writeInt8($this->_restrictions); } } }
/** * Writes the frame raw data without the header. * * @param HausDesign_Io_Writer $writer The writer object. * @return void */ protected function _writeData($writer) { $writer->writeString8($this->_device, 1); foreach ($this->_adjustments as $channel) { $writer->writeInt8($channel[self::channelType])->writeInt16BE($channel[self::volumeAdjustment] * 512); if (abs($channel[self::peakVolume]) <= 0xff) { $writer->writeInt8(8)->writeUInt8($channel[self::peakVolume]); } else { if (abs($channel[self::peakVolume]) <= 0xffff) { $writer->writeInt8(16)->writeUInt16BE($channel[self::peakVolume]); } else { if (abs($channel[self::peakVolume]) <= 0xffffffff) { $writer->writeInt8(32)->writeUInt32BE($channel[self::peakVolume]); } else { $writer->writeInt8(64)->writeInt64BE($channel[self::peakVolume]); // UInt64 } } } } }
/** * Writes the frame raw data without the header. * * @param HausDesign_Io_Writer $writer The writer object. * @return void */ protected function _writeData($writer) { $writer->writeInt8(16); foreach ($this->_adjustments as $frequency => $adjustment) { $writer->writeUInt16BE($adjustment > 0 ? $frequency | 0x8000 : $frequency & ~0x8000)->writeUInt16BE(abs($adjustment)); } }
/** * Writes the frame raw data without the header. * * @param HausDesign_Io_Writer $writer The writer object. * @return void */ protected function _writeData($writer) { $writer->writeInt8($this->_interpolation)->writeString8($this->_device, 1); foreach ($this->_adjustments as $frequency => $adjustment) { $writer->writeUInt16BE($frequency * 2)->writeInt16BE($adjustment * 512); } }
/** * Writes the frame raw data without the header. * * @param HausDesign_Io_Writer $writer The writer object. * @return void */ protected function _writeData($writer) { $writer->writeInt8($flags = 0); if ($this->_adjustments[self::right] > 0) { $flags = $flags | 0x1; } if ($this->_adjustments[self::left] > 0) { $flags = $flags | 0x2; } $writer->writeInt8(16)->writeUInt16BE(abs($this->_adjustments[self::right]))->writeUInt16BE(abs($this->_adjustments[self::left]))->writeUInt16BE(abs($this->_adjustments[self::peakRight]))->writeUInt16BE(abs($this->_adjustments[self::peakLeft])); if (isset($this->_adjustments[self::rightBack]) && isset($this->_adjustments[self::leftBack]) && isset($this->_adjustments[self::peakRightBack]) && isset($this->_adjustments[self::peakLeftBack])) { if ($this->_adjustments[self::rightBack] > 0) { $flags = $flags | 0x4; } if ($this->_adjustments[self::leftBack] > 0) { $flags = $flags | 0x8; } $writer->writeUInt16BE(abs($this->_adjustments[self::rightBack]))->writeUInt16BE(abs($this->_adjustments[self::leftBack]))->writeUInt16BE(abs($this->_adjustments[self::peakRightBack]))->writeUInt16BE(abs($this->_adjustments[self::peakLeftBack])); } if (isset($this->_adjustments[self::center]) && isset($this->_adjustments[self::peakCenter])) { if ($this->_adjustments[self::center] > 0) { $flags = $flags | 0x10; } $writer->writeUInt16BE(abs($this->_adjustments[self::center]))->writeUInt16BE(abs($this->_adjustments[self::peakCenter])); } if (isset($this->_adjustments[self::bass]) && isset($this->_adjustments[self::peakBass])) { if ($this->_adjustments[self::bass] > 0) { $flags = $flags | 0x20; } $writer->writeUInt16BE(abs($this->_adjustments[self::bass]))->writeUInt16BE(abs($this->_adjustments[self::peakBass])); } $writer->setOffset(0); $writer->writeInt8($flags); }