/**
* Returns the frame raw data.
*
* @return string
*/
public function __toString()
{
$data = $this->_device . "";
foreach ($this->_adjustments as $channel) {
$data .= Transform::toInt8($channel["channelType"]) . Transform::toInt16BE($channel["volumeAdjustment"]);
if ($channel["peakVolume"] < 255) {
$data .= Transform::toInt8(8) . Transform::toInt8($channel["peakVolume"]);
} else {
if ($channel["peakVolume"] < 65535) {
$data .= Transform::toInt8(16) . Transform::toUInt16BE($channel["peakVolume"]);
} else {
if ($channel["peakVolume"] < 4294967295) {
$data .= Transform::toInt8(32) . Transform::toUInt32BE($channel["peakVolume"]);
} else {
$data .= Transform::toInt8(64) . Transform::toUInt64BE($channel["peakVolume"]);
}
}
}
}
$this->setData($data);
return parent::__toString();
}
