/**
* 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);
}
