/**
* 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->_owner, 1)->writeInt8($this->_rating);
if ($this->_counter > 0xffffffff) {
$writer->writeInt64BE($this->_counter);
} else {
if ($this->_counter > 0) {
$writer->writeUInt32BE($this->_counter);
}
}
}
/**
* 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 data with the header.
*
* @param HausDesign_Io_Writer $writer The writer object.
* @return void
*/
public function write($writer)
{
/* ID3v2.3.0 Flags; convert from 2.4.0 format */
if ($this->getOption('version', 4) < 4) {
$flags = 0;
if ($this->hasFlag(self::DISCARD_ON_TAGCHANGE)) {
$flags = $flags | 0x8000;
}
if ($this->hasFlag(self::DISCARD_ON_FILECHANGE)) {
$flags = $flags | 0x4000;
}
if ($this->hasFlag(self::READ_ONLY)) {
$flags = $flags | 0x2000;
}
if ($this->hasFlag(self::COMPRESSION)) {
$flags = $flags | 0x80;
}
if ($this->hasFlag(self::ENCRYPTION)) {
$flags = $flags | 0x40;
}
if ($this->hasFlag(self::GROUPING_IDENTITY)) {
$flags = $flags | 0x20;
}
} else {
$flags = $this->_flags;
}
$this->_writeData($buffer = new HausDesign_Io_StringWriter());
$data = $buffer->toString();
$size = $this->_size = strlen($data);
// ID3v2.4.0 supports frame level unsynchronisation. The corresponding
// option is set to true when any of the frames use the
// unsynchronisation scheme. The usage is denoted by
// HausDesign_Media_Id3_Header flag that is set accordingly upon file write.
if ($this->getOption('version', 4) >= 4) {
$data = $this->_encodeUnsynchronisation($data);
if (($dataLength = strlen($data)) != $size) {
$size = 4 + $dataLength;
$flags |= self::DATA_LENGTH_INDICATOR | self::UNSYNCHRONISATION;
$this->setOption('unsynchronisation', true);
} else {
$flags &= ~(self::DATA_LENGTH_INDICATOR | self::UNSYNCHRONISATION);
}
}
$writer->writeString8(substr($this->_identifier, 0, 4), 4, " ")->writeUInt32BE($this->getOption('version', 4) < 4 ? $size : $this->_encodeSynchsafe32($size))->writeUInt16BE($flags);
if (($flags & self::DATA_LENGTH_INDICATOR) == self::DATA_LENGTH_INDICATOR) {
$writer->writeUInt32BE($this->getOption('version', 4) < 4 ? $this->_size : $this->_encodeSynchsafe32($this->_size));
}
$writer->write($data);
}
/**
* Writes the frame raw data without the header.
*
* @param HausDesign_Io_Writer $writer The writer object.
* @return void
*/
protected function _writeData($writer)
{
if ($this->_counter > 4294967295) {
$writer->writeInt64BE($this->_counter);
// UInt64
} else {
$writer->writeUInt32BE($this->_counter);
}
}
/**
* Writes the frame raw data without the header.
*
* @param HausDesign_Io_Writer $writer The writer object.
* @return void
*/
protected function _writeData($writer)
{
$writer->writeUInt8($this->_encoding)->write($this->_language)->writeUInt8($this->_format)->writeUInt8($this->_type);
switch ($this->_encoding) {
case self::UTF16LE:
$writer->writeString16($this->_description, HausDesign_Io_Writer::LITTLE_ENDIAN_ORDER, 1);
break;
case self::UTF16:
// break intentionally omitted
// break intentionally omitted
case self::UTF16BE:
$writer->writeString16($this->_description, null, 1);
break;
default:
$writer->writeString8($this->_description, 1);
break;
}
foreach ($this->_events as $timestamp => $syllable) {
switch ($this->_encoding) {
case self::UTF16LE:
$writer->writeString16($syllable, HausDesign_Io_Writer::LITTLE_ENDIAN_ORDER, 1);
break;
case self::UTF16:
// break intentionally omitted
// break intentionally omitted
case self::UTF16BE:
$writer->writeString16($syllable, null, 1);
break;
default:
$writer->writeString8($syllable, 1);
break;
}
$writer->writeUInt32BE($timestamp);
}
}
/**
* Writes the box data.
*
* @param HausDesign_Io_Writer $writer The writer object.
* @return void
*/
protected function _writeData($writer)
{
$writer->writeUInt32BE($entryCount = count($this->_chunkOffsetTable));
for ($i = 1; $i <= $entryCount; $i++) {
$writer->writeInt64BE($this->_chunkOffsetTable[$i]);
}
}
/**
* Writes the frame raw data without the header.
*
* @param HausDesign_Io_Writer $writer The writer object.
* @return void
*/
protected function _writeData($writer)
{
$writer->writeUInt8($this->_format);
foreach ($this->_events as $timestamp => $tempo) {
if ($tempo >= 0xff) {
$writer->writeUInt8(0xff)->writeUInt8($tempo - 0xff);
} else {
$writer->writeUInt8($tempo);
}
$writer->writeUInt32BE($timestamp);
}
}
