/**
* Constructs the class with given parameters and parses object related data.
*
* @param Reader $reader The reader object.
* @param Array $options The options array.
*/
public function __construct($reader = null, &$options = array())
{
parent::__construct($reader, $options);
if ($reader === null) {
return;
}
$this->_format = Transform::fromInt8($this->_data[0]);
$this->_position = Transform::fromUInt32BE(substr($this->_data, 1, 4));
}
/**
* Constructs the class with given parameters and reads box related data from
* the ISO Base Media file.
*
* @param Reader $reader The reader object.
*/
public function __construct($reader, &$options = array())
{
parent::__construct($reader, $options);
$entryCount = $this->_reader->readUInt32BE();
$data = $this->_reader->read
($this->getOffset() + $this->getSize() - $this->_reader->getOffset());
for ($i = 1; $i <= $entryCount; $i++)
$this->_syncSampleTable[$i] =
Transform::fromUInt32BE(substr($data, ($i - 1) * 4, 4));
}
/**
* Constructs the class with given parameters and parses object related data.
*
* @param Reader $reader The reader object.
* @param Array $options The options array.
*/
public function __construct($reader = null, &$options = array())
{
parent::__construct($reader, $options);
if ($reader === null)
return;
if (strlen($this->_data) > 4)
$this->_counter = Transform::fromInt64BE($this->_data); // UInt64
else
$this->_counter = Transform::fromUInt32BE($this->_data);
}
/**
* Constructs the class with given parameters and reads box related data from
* the ISO Base Media file.
*
* @param Reader $reader The reader object.
*/
public function __construct($reader, &$options = array())
{
parent::__construct($reader, $options);
$entryCount = $this->_reader->readUInt32BE();
$data = $this->_reader->read
($this->getOffset() + $this->getSize() - $this->_reader->getOffset());
for ($i = 1; $i <= $entryCount; $i++)
$this->_compositionOffsetTable[$i] = array
("sampleCount" =>
Transform::fromUInt32BE(substr($data, ($i - 1) * 8, 4)),
"sampleOffset" =>
Transform::fromUInt32BE(substr($data, $i * 8 - 4, 4)));
}
/**
* Constructs the class with given parameters and reads box related data from
* the ISO Base Media file.
*
* @param Reader $reader The reader object.
*/
public function __construct($reader, &$options = array())
{
parent::__construct($reader, $options);
$entryCount = $this->_reader->readUInt32BE();
$data = $this->_reader->read
($this->getOffset() + $this->getSize() - $this->_reader->getOffset());
for ($i = 1; $i <= $entryCount; $i++)
$this->_sampleToChunkTable[$i] = array
("firstChunk" =>
Transform::fromUInt32BE(substr($data, ($i - 1) * 12, 4)),
"samplesPerChunk" =>
Transform::fromUInt32BE(substr($data, $i * 12 - 8, 4)),
"sampleDescriptionIndex" =>
Transform::fromUInt32BE(substr($data, $i * 12 - 4, 4)));
}
/**
* Constructs the class with given parameters and reads box related data from
* the ISO Base Media file.
*
* @param Reader $reader The reader object.
*/
public function __construct($reader, &$options = array())
{
parent::__construct($reader, $options);
$groupingType = $this->_reader->readUInt32BE();
$entryCount = $this->_reader->readUInt32BE();
$data = $this->_reader->read
($this->getOffset() + $this->getSize() - $this->_reader->getOffset());
for ($i = 1; $i <= $entryCount; $i++)
$this->_sampleToGroupTable[$i] = array
("sampleCount" =>
Transform::fromUInt32BE(substr($data, ($i - 1) * 8, 4)),
"groupDescriptionIndex" =>
Transform::fromUInt32BE(substr($data, $i * 8 - 4, 4)));
}
/**
* Constructs the class with given parameters and reads box related data from
* the ISO Base Media file.
*
* @param Reader $reader The reader object.
*/
public function __construct($reader, &$options = array())
{
parent::__construct($reader, $options);
$entryCount = $this->_reader->readUInt32BE();
$data = $this->_reader->read
($this->getOffset() + $this->getSize() - $this->_reader->getOffset());
for ($i = 0; $i < $entryCount; $i++)
$this->_shadowSyncSampleTable[$i] = array
("shadowedSampleNumber" =>
Transform::fromUInt32BE(substr($data, ($i - 1) * 8, 4)),
"syncSampleNumber" =>
Transform::fromUInt32BE(substr($data, $i * 8 - 4, 4)));
}
/**
* Constructs the class with given parameters and parses object related data.
*
* @param Reader $reader The reader object.
* @param Array $options The options array.
*/
public function __construct($reader = null, &$options = array())
{
parent::__construct($reader, $options);
if ($reader === null)
return;
list ($this->_device, $this->_data) =
$this->explodeString8($this->_data, 2);
for ($i = $j = 0; $i < 9; $i++) {
$this->_adjustments[$i] = array
(self::channelType => Transform::fromInt8($this->_data[$j++]),
self::volumeAdjustment =>
Transform::fromInt16BE(substr($this->_data, $j++, 2)) / 512.0);
$j++;
$bitsInPeak = Transform::fromInt8($this->_data[$j++]);
$bytesInPeak = $bitsInPeak > 0 ? ceil($bitsInPeak / 8) : 0;
switch ($bytesInPeak) {
case 8:
case 7:
case 6:
case 5:
$this->_adjustments[$i][self::peakVolume] =
Transform::fromInt64BE(substr($this->_data, $j, $bytesInPeak));
break;
case 4:
case 3:
$this->_adjustments[$i][self::peakVolume] =
Transform::fromUInt32BE(substr($this->_data, $j, $bytesInPeak));
break;
case 2:
$this->_adjustments[$i][self::peakVolume] =
Transform::fromUInt16BE(substr($this->_data, $j, $bytesInPeak));
break;
case 1:
$this->_adjustments[$i][self::peakVolume] =
Transform::fromUInt8(substr($this->_data, $j, $bytesInPeak));
}
$j += $bytesInPeak;
}
}
/**
* Constructs the class with given parameters and parses object related data.
*
* @param Reader $reader The reader object.
* @param Array $options The options array.
*/
public function __construct($reader = null, &$options = array())
{
parent::__construct($reader, $options);
if ($reader === null) {
return;
}
list($this->_device, $this->_data) = preg_split("/\\x00/", $this->_data, 2);
for ($i = $j = 0; $i < 9; $i++) {
$this->_adjustments[$i] = array("channelType" => Transform::fromInt8($this->_data[$j++]), "volumeAdjustment" => Transform::fromInt16BE(substr($this->_data, $j++, 2)));
$bitsInPeak = Transform::fromInt8($this->_data[++$j]);
$bytesInPeak = $bitsInPeak > 0 ? ceil($bitsInPeak / 8) : 0;
switch ($bytesInPeak) {
case 8:
case 7:
case 6:
case 5:
$this->_adjustments[$i]["peakVolume"] = Transform::fromInt64BE(substr($this->_data, $j, $bytesInPeak));
$j += $bytesInPeak;
break;
case 4:
case 3:
$this->_adjustments[$i]["peakVolume"] = Transform::fromUInt32BE(substr($this->_data, $j, $bytesInPeak));
$j += $bytesInPeak;
break;
case 2:
$this->_adjustments[$i]["peakVolume"] = Transform::fromUInt16BE(substr($this->_data, $j, $bytesInPeak));
$j += $bytesInPeak;
break;
case 1:
$this->_adjustments[$i]["peakVolume"] = Transform::fromInt8(substr($this->_data, $j, $bytesInPeak));
$j += $bytesInPeak;
}
}
}
/**
* Constructs the class with given parameters and parses object related data.
*
* @param Reader $reader The reader object.
* @param Array $options The options array.
*/
public function __construct($reader = null, &$options = array())
{
parent::__construct($reader, $options);
if ($reader === null)
return;
$offset = 0;
$this->_format = Transform::fromUInt8($this->_data[$offset++]);
while ($offset < strlen($this->_data)) {
$tempo = Transform::fromUInt8($this->_data[$offset++]);
if ($tempo == 0xff)
$tempo += Transform::fromUInt8($this->_data[$offset++]);
$this->_events
[Transform::fromUInt32BE(substr($this->_data, $offset, 4))] = $tempo;
$offset += 4;
}
ksort($this->_events);
}
/**
* Constructs the class with given parameters and reads object related data
* from the ID3v2 tag.
*
* @param Reader $reader The reader object.
* @param Array $options The options array.
*/
public function __construct($reader = null, &$options = array())
{
parent::__construct($reader, $options);
if ($reader === null) {
return;
}
$offset = $this->_reader->getOffset();
$this->_size = $this->decodeSynchsafe32($this->_reader->readUInt32BE());
/* ID3v2.3.0 ExtendedHeader */
if (isset($this->_options["version"]) && $this->_options["version"] < 4) {
if ($this->_reader->readUInt16BE() == 0x8000) {
$this->_flags = self::CRC32;
}
$this->_padding = $this->_reader->readUInt32BE();
if ($this->hasFlag(self::CRC32)) {
$this->_crc = Transform::readUInt32BE();
}
} else {
$this->_reader->skip(1);
$this->_flags = $this->_reader->readInt8();
if ($this->hasFlag(self::UPDATE)) {
$this->_reader->skip(1);
}
if ($this->hasFlag(self::CRC32)) {
$this->_reader->skip(1);
$this->_crc = Transform::fromInt8($this->_reader->read(1)) * (0xfffffff + 1) + decodeSynchsafe32(Transform::fromUInt32BE($this->_reader->read(4)));
}
if ($this->hasFlag(self::RESTRICTED)) {
$this->_reader->skip(1);
$this->_restrictions = $this->_reader->readInt8(1);
}
}
}
/**
* Constructs the class with given parameters and parses object related data.
*
* @param Reader $reader The reader object.
* @param Array $options The options array.
*/
public function __construct($reader = null, &$options = array())
{
parent::__construct($reader, $options);
if ($reader === null)
return;
$this->_encoding = Transform::fromUInt8($this->_data[0]);
$this->_language = substr($this->_data, 1, 3);
if ($this->_language == "XXX")
$this->_language = "und";
$this->_format = Transform::fromUInt8($this->_data[4]);
$this->_type = Transform::fromUInt8($this->_data[5]);
$this->_data = substr($this->_data, 6);
switch ($this->_encoding) {
case self::UTF16:
list($this->_description, $this->_data) =
$this->explodeString16($this->_data, 2);
$this->_description = Transform::fromString16($this->_description);
break;
case self::UTF16BE:
list($this->_description, $this->_data) =
$this->explodeString16($this->_data, 2);
$this->_description = Transform::fromString16BE($this->_description);
break;
default:
list($this->_description, $this->_data) =
$this->explodeString8($this->_data, 2);
$this->_description = Transform::fromString8($this->_description);
}
while (strlen($this->_data) > 0) {
switch ($this->_encoding) {
case self::UTF16:
list($syllable, $this->_data) =
$this->explodeString16($this->_data, 2);
$syllable = Transform::fromString16($syllable);
break;
case self::UTF16BE:
list($syllable, $this->_data) =
$this->explodeString16($this->_data, 2);
$syllable = Transform::fromString16BE($syllable);
break;
default:
list($syllable, $this->_data) =
$this->explodeString8($this->_data, 2);
$syllable = Transform::fromString8($syllable);
}
$this->_events[Transform::fromUInt32BE(substr($this->_data, 0, 4))] =
$syllable;
$this->_data = substr($this->_data, 4);
}
ksort($this->_events);
}
/**
* Constructs the class with given parameters and parses object related data.
*
* @param Reader $reader The reader object.
* @param Array $options The options array.
*/
public function __construct($reader = null, &$options = array())
{
parent::__construct($reader, $options);
if ($reader === null)
return;
$this->_bufferSize =
Transform::fromUInt32BE("\0" . substr($this->_data, 0, 3));
$this->_infoFlags = Transform::fromInt8($this->_data[3]);
if ($this->getSize() > 4)
$this->_offset = Transform::fromInt32BE(substr($this->_data, 4, 4));
}
/**
* Constructs the class with given parameters and parses object related data.
*
* @param Reader $reader The reader object.
* @param Array $options The options array.
*/
public function __construct($reader = null, &$options = array())
{
parent::__construct($reader, $options);
if ($reader === null) {
return;
}
list($this->_owner, $this->_data) = preg_split("/\\x00/", $this->_data, 2);
$this->_rating = Transform::fromInt8($this->_data[0]);
$this->_data = substr($this->_data, 1);
if (strlen($this->_data) > 4) {
$this->_counter = Transform::fromInt64BE($this->_data);
} else {
if (strlen($this->_data) > 0) {
$this->_counter = Transform::fromUInt32BE($this->_data);
}
}
}
/**
* Constructs the class with given parameters and parses object related data.
*
* @param Reader $reader The reader object.
* @param Array $options The options array.
*/
public function __construct($reader = null, &$options = array())
{
parent::__construct($reader, $options);
if ($reader === null)
return;
$this->_format = Transform::fromUInt8($this->_data[0]);
for ($i = 1; $i < $this->getSize(); $i += 5) {
$this->_events[Transform::fromUInt32BE(substr($this->_data, $i + 1, 4))] =
$data = Transform::fromUInt8($this->_data[$i]);
if ($data == 0xff)
break;
}
ksort($this->_events);
}
/**
* Constructs the class with given parameters and parses object related data.
*
* @param Reader $reader The reader object.
* @param Array $options The options array.
*/
public function __construct($reader = null, &$options = array())
{
parent::__construct($reader, $options);
if ($reader === null)
return;
list($this->_owner, $this->_data) = $this->explodeString8($this->_data, 2);
$this->_rating = Transform::fromUInt8($this->_data[0]);
$this->_data = substr($this->_data, 1);
if (strlen($this->_data) > 4)
$this->_counter = Transform::fromInt64BE($this->_data); // UInt64
else if (strlen($this->_data) > 0)
$this->_counter = Transform::fromUInt32BE($this->_data);
}
/**
* Constructs the ID3v2 class with given file and options. The options array
* may also be given as the only parameter.
*
* The following options are currently recognized:
* o version -- The ID3v2 tag version to use in write operation. This option
* is automatically set when a tag is read from a file and defaults to
* version 4.0 for tag write.
*
* @todo Only limited subset of flags are processed.
* @todo Utilize the SEEK frame and search for a footer to find the tag
* @todo Utilize the LINK frame to fetch frames from other sources
* @param string $filename The path to the file.
* @param Array $options The options array.
*/
public function __construct($filename = false, $options = array())
{
if (is_array($filename)) {
$options = $filename;
$filename = false;
}
$this->_options =& $options;
if (($this->_filename = $filename) === false || file_exists($filename) === false) {
$this->_header = new ID3_Header(null, $options);
} else {
$this->_reader = new Reader($filename);
if ($this->_reader->readString8(3) != "ID3") {
throw new ID3_Exception("File does not contain ID3v2 tag: " . $filename);
}
$this->_header = new ID3_Header($this->_reader, $options);
if ($this->_header->getVersion() < 3 || $this->_header->getVersion() > 4) {
throw new ID3_Exception("File does not contain ID3v2 tag of supported version: " . $filename);
}
if ($this->_header->hasFlag(ID3_Header::EXTENDEDHEADER)) {
$this->_extendedHeader = new ID3_ExtendedHeader($this->_reader, $options);
}
if ($this->_header->hasFlag(ID3_Header::FOOTER)) {
$this->_footer =& $this->_header;
}
// skip footer, and rather copy header
while (true) {
$offset = $this->_reader->getOffset();
// Jump off the loop if we reached the end of the tag
if ($offset - 10 >= $this->_header->getSize() - ($this->hasFooter() ? 10 : 0)) {
break;
}
// Jump off the loop if we reached the last frame
if ($this->_reader->available() < 4 || Transform::fromUInt32BE($identifier = $this->_reader->read(4)) == 0) {
break;
}
$this->_reader->setOffset($offset);
if (@fopen($filename = "ID3/Frame/" . strtoupper($identifier) . ".php", "r", true) !== false) {
require_once $filename;
}
if (class_exists($classname = "ID3_Frame_" . $identifier)) {
$frame = new $classname($this->_reader, $options);
} else {
$frame = new ID3_Frame($this->_reader, $options);
}
if (!isset($this->_frames[$frame->getIdentifier()])) {
$this->_frames[$frame->getIdentifier()] = array();
}
$this->_frames[$frame->getIdentifier()][] = $frame;
}
}
}
/**
* Constructs the ID3v2 class with given file and options. The options array
* may also be given as the only parameter.
*
* The following options are currently recognized:
* o version -- The ID3v2 tag version to use in write operation. This option
* is automatically set when a tag is read from a file and defaults to
* version 4.0 for tag write.
* o readonly -- Indicates that the tag is read from a temporary file or
* another source it cannot be written back to. The tag can, however,
* still be written to another file.
*
* @todo Only limited subset of flags are processed.
* @todo Utilize the SEEK frame and search for a footer to find the tag
* @todo Utilize the LINK frame to fetch frames from other sources
* @param string|Reader $filename The path to the file, file descriptor of an
* opened file, or {@link Reader} instance.
* @param Array $options The options array.
*/
public function __construct($filename = false, $options = array())
{
if (is_array($filename)) {
$options = $filename;
$filename = false;
}
$this->_options = &$options;
if ($filename === false ||
(is_string($filename) && file_exists($filename) === false) ||
(is_resource($filename) &&
in_array(get_resource_type($filename), array("file", "stream")))) {
$this->_header = new ID3_Header(null, $options);
} else {
if (is_string($filename) && !isset($options["readonly"]))
$this->_filename = $filename;
if ($filename instanceof Reader)
$this->_reader = &$filename;
else
$this->_reader = new Reader($filename);
if ($this->_reader->readString8(3) != "ID3")
throw new ID3_Exception("File does not contain ID3v2 tag");
$startOffset = $this->_reader->getOffset();
$this->_header = new ID3_Header($this->_reader, $options);
if ($this->_header->getVersion() < 3 || $this->_header->getVersion() > 4)
throw new ID3_Exception
("File does not contain ID3v2 tag of supported version");
if ($this->_header->getVersion() < 4 &&
$this->_header->hasFlag(ID3_Header::UNSYNCHRONISATION))
throw new ID3_Exception
("Unsynchronisation not supported for this version of ID3v2 tag");
unset($this->_options["unsyncronisation"]);
if ($this->_header->hasFlag(ID3_Header::UNSYNCHRONISATION))
$this->_options["unsyncronisation"] = true;
if ($this->_header->hasFlag(ID3_Header::EXTENDEDHEADER))
$this->_extendedHeader =
new ID3_ExtendedHeader($this->_reader, $options);
if ($this->_header->hasFlag(ID3_Header::FOOTER))
$this->_footer = &$this->_header; // skip footer, and rather copy header
while (true) {
$offset = $this->_reader->getOffset();
// Jump off the loop if we reached the end of the tag
if ($offset - $startOffset - 10 >= $this->_header->getSize() -
($this->hasFooter() ? 10 : 0))
break;
// Jump off the loop if we reached the last frame
if ($this->_reader->available() < 4 || Transform::fromUInt32BE
($identifier = $this->_reader->read(4)) == 0)
break;
$this->_reader->setOffset($offset);
if (@fopen($filename = "ID3/Frame/" .
strtoupper($identifier) . ".php", "r", true) !== false)
require_once($filename);
if (class_exists($classname = "ID3_Frame_" . $identifier))
$frame = new $classname($this->_reader, $options);
else
$frame = new ID3_Frame($this->_reader, $options);
if (!isset($this->_frames[$frame->getIdentifier()]))
$this->_frames[$frame->getIdentifier()] = array();
$this->_frames[$frame->getIdentifier()][] = $frame;
}
}
}
