/**
* Constructs the class with given parameters and reads object related data
* from the Ogg bitstream.
*
* @param Zend_Io_Reader $reader The reader object.
*/
public function __construct($reader)
{
$this->_reader = $reader;
$this->_capturePattern = $this->_reader->read(4);
if ($this->_capturePattern != 'OggS') {
require_once 'Zend/Media/Ogg/Exception.php';
throw new Zend_Media_Ogg_Exception('Not a valid Ogg bitstream');
}
$this->_streamStructureVersion = $this->_reader->readUInt8();
if ($this->_streamStructureVersion != 0) {
require_once 'Zend/Media/Ogg/Exception.php';
throw new Zend_Media_Ogg_Exception('Unsupported Ogg stream structure version');
}
$this->_headerTypeFlag = $this->_reader->readUInt8();
$this->_granulePosition = $this->_reader->readInt64LE();
$this->_bitstreamSerialNumber = $this->_reader->readUInt32LE();
$this->_pageSequenceNumber = $this->_reader->readUInt32LE();
$this->_crcChecksum = $this->_reader->readUInt32LE();
$this->_numberPageSegments = $this->_reader->readUInt8();
$this->_segmentTable = array();
for ($i = 0; $i < $this->_numberPageSegments; $i++) {
$this->_segmentTable[] = $this->_reader->readUInt8();
}
$this->_headerSize = $this->_numberPageSegments + 27;
$this->_pageSize = array_sum($this->_segmentTable);
$this->_size = $this->_headerSize + $this->_pageSize;
}
/**
* Writes the possibly altered ID3v2 tag back to the file where it was read.
* If the class was constructed without a file name, one can be provided
* here as an argument. Regardless, the write operation will override
* previous tag information, if found.
*
* If write is called on a tag without any frames to it, current tag is
* removed from the file altogether.
*
* @param string|Zend_Io_Writer $filename The optional path to the file, use
* null to save to the same file.
*/
public function write($filename)
{
if ($filename === null && ($filename = $this->_filename) === null) {
throw new Zend_Media_Id3_Exception('No file given to write to');
} else {
if ($filename !== null && $filename instanceof Zend_Io_Writer) {
$this->_writeData($filename);
return;
} else {
if ($filename !== null && $this->_filename !== null && realpath($filename) != realpath($this->_filename) && !copy($this->_filename, $filename)) {
throw new Zend_Media_Id3_Exception('Unable to copy source to destination: ' . realpath($this->_filename) . '->' . realpath($filename));
}
}
}
if (($fd = fopen($filename, file_exists($filename) ? 'r+b' : 'wb')) === false) {
throw new Zend_Media_Id3_Exception('Unable to open file for writing: ' . $filename);
}
$hasNoFrames = true;
foreach ($this->_frames as $identifier => $instances) {
if (count($instances) > 0) {
$hasNoFrames = false;
break;
}
}
if ($hasNoFrames === true) {
$this->remove(new Zend_Io_Reader($fd));
return;
}
if ($this->_reader !== null) {
$oldTagSize = 10 + $this->_header->getSize();
} else {
$reader = new Zend_Io_Reader($fd);
if ($reader->read(3) == 'ID3') {
$header = new Zend_Media_Id3_Header($reader);
$oldTagSize = 10 + $header->getSize();
} else {
$oldTagSize = 0;
}
}
$tag = new Zend_Io_StringWriter();
$this->_writeData($tag);
$tagSize = $tag->getSize();
if ($tagSize > $oldTagSize) {
fseek($fd, 0, SEEK_END);
$oldFileSize = ftell($fd);
ftruncate($fd, $newFileSize = $tagSize - $oldTagSize + $oldFileSize);
for ($i = 1, $cur = $oldFileSize; $cur > 0; $cur -= 1024, $i++) {
if ($cur >= 1024) {
fseek($fd, -($i * 1024 + ($newFileSize - $oldFileSize)), SEEK_END);
$buffer = fread($fd, 1024);
fseek($fd, -($i * 1024), SEEK_END);
$bytes = fwrite($fd, $buffer, 1024);
} else {
fseek($fd, 0);
$buffer = fread($fd, $cur);
fseek($fd, $newFileSize - $oldFileSize);
$bytes = fwrite($fd, $buffer, $cur);
}
}
if (($remaining = $oldFileSize % 1024) != 0) {
// huh?
}
fseek($fd, 0, SEEK_END);
}
fseek($fd, 0);
for ($i = 0; $i < $tagSize; $i += 1024) {
fseek($tag->getFileDescriptor(), $i);
$bytes = fwrite($fd, fread($tag->getFileDescriptor(), 1024));
}
fclose($fd);
$this->_filename = $filename;
}
/**
* Writes the possibly altered ID3v1 tag back to the file where it was read.
* If the class was constructed without a file name, one can be provided
* here as an argument. Regardless, the write operation will override
* previous tag information, if found.
*
* @param string $filename The optional path to the file.
* @throws Zend_Media_Id3_Exception if there is no file to write the tag to
*/
public function write($filename = null)
{
if ($filename === null && ($filename = $this->_filename) === null) {
require_once 'Zend/Media/Id3/Exception.php';
throw new Zend_Media_Id3_Exception('No file given to write the tag to');
}
require_once 'Zend/Io/FileWriter.php';
try {
$writer = new Zend_Io_FileWriter($filename);
$offset = $writer->getSize();
if ($this->_reader !== null) {
$offset = -128;
} else {
$reader = new Zend_Io_Reader($writer->getFileDescriptor());
$reader->setOffset(-128);
if ($reader->read(3) == 'TAG') {
$offset = -128;
}
}
$writer->setOffset($offset);
$writer->writeString8('TAG')->writeString8(substr($this->_title, 0, 30), 30)->writeString8(substr($this->_artist, 0, 30), 30)->writeString8(substr($this->_album, 0, 30), 30)->writeString8(substr($this->_year, 0, 4), 4);
if ($this->_track) {
$writer->writeString8(substr($this->_comment, 0, 28), 28)->writeInt8(0)->writeInt8($this->_track);
} else {
$writer->writeString8(substr($this->_comment, 0, 30), 30);
}
$writer->writeInt8($this->_genre);
$writer->flush();
} catch (Zend_Io_Exception $e) {
require_once 'Zend/Media/Id3/Exception.php';
throw new Zend_Media_Id3_Exception($e->getMessage());
}
$this->_filename = $filename;
}
/**
* Writes the possibly altered ID3v2 tag back to the file where it was read.
* If the class was constructed without a file name, one can be provided
* here as an argument. Regardless, the write operation will override
* previous tag information, if found.
*
* If write is called without setting any frames to the tag, the tag is
* removed from the file.
*
* @param string|Zend_Io_Writer $filename The optional path to the file, use
* null to save to the same file.
*/
public function write($filename)
{
if ($filename === null && ($filename = $this->_filename) === null) {
require_once 'Zend/Media/Id3/Exception.php';
throw new Zend_Media_Id3_Exception('No file given to write to');
} else {
if ($filename !== null && $filename instanceof Zend_Io_Writer) {
require_once 'Zend/Io/Writer.php';
$this->_writeData($filename);
return;
} else {
if ($filename !== null && $this->_filename !== null && realpath($filename) != realpath($this->_filename) && !copy($this->_filename, $filename)) {
require_once 'Zend/Media/Id3/Exception.php';
throw new Zend_Media_Id3_Exception('Unable to copy source to destination: ' . realpath($this->_filename) . '->' . realpath($filename));
}
}
}
if (($fd = fopen($filename, file_exists($filename) ? 'r+b' : 'wb')) === false) {
require_once 'Zend/Media/Id3/Exception.php';
throw new Zend_Media_Id3_Exception('Unable to open file for writing: ' . $filename);
}
if ($this->_reader !== null) {
$oldTagSize = 10 + $this->_header->getSize();
} else {
$reader = new Zend_Io_Reader($fd);
if ($reader->read(3) == 'ID3') {
$header = new Zend_Media_Id3_Header($reader);
$oldTagSize = 10 + $header->getSize();
} else {
$oldTagSize = 0;
}
}
require_once 'Zend/Io/StringWriter.php';
$tag = new Zend_Io_StringWriter();
$this->_writeData($tag);
$tagSize = empty($this->_frames) ? 0 : $tag->getSize();
if ($tagSize > $oldTagSize || $tagSize == 0) {
fseek($fd, 0, SEEK_END);
$oldFileSize = ftell($fd);
ftruncate($fd, $newFileSize = $tagSize - $oldTagSize + $oldFileSize);
for ($i = 1, $cur = $oldFileSize; $cur > 0; $cur -= 1024, $i++) {
if ($cur >= 1024) {
fseek($fd, $off = -($i * 1024 + ($newFileSize - $oldFileSize)), SEEK_END);
$buffer = fread($fd, 1024);
fseek($fd, $off = -($i * 1024), SEEK_END);
$bytes = fwrite($fd, $buffer, 1024);
} else {
fseek($fd, 0);
$buffer = fread($fd, $cur);
fseek($fd, $off = $newFileSize % 1024 - $cur);
$bytes = fwrite($fd, $buffer, $cur);
}
}
if (($remaining = $oldFileSize % 1024) != 0) {
}
fseek($fd, 0, SEEK_END);
}
fseek($fd, 0);
for ($i = 0; $i < $tagSize; $i += 1024) {
fseek($tag->getFileDescriptor(), $i);
$bytes = fwrite($fd, fread($tag->getFileDescriptor(), 1024));
}
fclose($fd);
$this->_filename = $filename;
}
/**
* Constructs the class with given filename.
*
* @param string|resource|Zend_Io_Reader $filename The path to the file,
* file descriptor of an opened file, or a {@link Zend_Io_Reader} instance.
* @throws Zend_Io_Exception if an error occur in stream handling.
* @throws Zend_Media_Flac_Exception if an error occurs in vorbis bitstream reading.
*/
public function __construct($filename)
{
if ($filename instanceof Zend_Io_Reader) {
$this->_reader =& $filename;
} else {
$this->_filename = $filename;
require_once 'Zend/Io/FileReader.php';
try {
$this->_reader = new Zend_Io_FileReader($filename);
} catch (Zend_Io_Exception $e) {
$this->_reader = null;
require_once 'Zend/Media/Flac/Exception.php';
throw new Zend_Media_Flac_Exception($e->getMessage());
}
}
$capturePattern = $this->_reader->read(4);
if ($capturePattern != 'fLaC') {
require_once 'Zend/Media/Flac/Exception.php';
throw new Zend_Media_Flac_Exception('Not a valid FLAC bitstream');
}
while (true) {
$offset = $this->_reader->getOffset();
$last = ($tmp = $this->_reader->readUInt8()) >> 7 & 0x1;
$type = $tmp & 0x7f;
$size = $this->_reader->readUInt24BE();
$this->_reader->setOffset($offset);
switch ($type) {
case self::STREAMINFO:
// 0
require_once 'Zend/Media/Flac/MetadataBlock/Streaminfo.php';
$this->_metadataBlocks[] = new Zend_Media_Flac_MetadataBlock_Streaminfo($this->_reader);
break;
case self::PADDING:
// 1
require_once 'Zend/Media/Flac/MetadataBlock/Padding.php';
$this->_metadataBlocks[] = new Zend_Media_Flac_MetadataBlock_Padding($this->_reader);
break;
case self::APPLICATION:
// 2
require_once 'Zend/Media/Flac/MetadataBlock/Application.php';
$this->_metadataBlocks[] = new Zend_Media_Flac_MetadataBlock_Application($this->_reader);
break;
case self::SEEKTABLE:
// 3
require_once 'Zend/Media/Flac/MetadataBlock/Seektable.php';
$this->_metadataBlocks[] = new Zend_Media_Flac_MetadataBlock_Seektable($this->_reader);
break;
case self::VORBIS_COMMENT:
// 4
require_once 'Zend/Media/Flac/MetadataBlock/VorbisComment.php';
$this->_metadataBlocks[] = new Zend_Media_Flac_MetadataBlock_VorbisComment($this->_reader);
break;
case self::CUESHEET:
// 5
require_once 'Zend/Media/Flac/MetadataBlock/Cuesheet.php';
$this->_metadataBlocks[] = new Zend_Media_Flac_MetadataBlock_Cuesheet($this->_reader);
break;
case self::PICTURE:
// 6
require_once 'Zend/Media/Flac/MetadataBlock/Picture.php';
$this->_metadataBlocks[] = new Zend_Media_Flac_MetadataBlock_Picture($this->_reader);
break;
default:
// break intentionally omitted
}
$this->_reader->setOffset($offset + 4 + $size);
// Jump off the loop if we reached the end of metadata blocks
if ($last === 1) {
break;
}
}
}
/**
* Reads 1 record from the file.
*/
protected function readRecord()
{
$record_header = $this->readRecordHeader();
$local_msg_type = $record_header['Local Message Type'];
if ($record_header['Message Type'] === true) {
//this is a definition message
$def = $this->readRecordDefinition();
$this->message_type_definitions[$local_msg_type] = $def;
} else {
$def = $this->message_type_definitions[$local_msg_type];
$data = array();
/*
* Architecture Type
* 0: Definition and Data Messages are Little Endian
* 1: Definition and Data Message are Big Endian
*/
$big_endian = $def['architecture'] === 1;
if ($this->file_type === null) {
//default filetype, file_id is overal hetzelfde
$this->file_type = \Fit\FileType::activity;
}
foreach ($def['fields'] as $field_def) {
$profile_field_def = $this->profile->findFieldDefinition($this->file_type, $def['global_msg_number'], $field_def['field_def_number']);
if ($profile_field_def) {
$field_name = $profile_field_def[\Fit\Field::NAME];
$field_factor = (double) $profile_field_def[\Fit\Field::FACTOR];
$field_unit = $profile_field_def[\Fit\Field::UNIT];
} else {
$field_name = 'no:' . $field_def['field_def_number'];
$field_factor = 1;
$field_unit = '';
}
switch ($field_def['base_type']['base_type_definition']['name']) {
case 'string':
$value = $this->reader->readString8($field_def['size']);
break;
case 'sint8':
$value = $this->reader->readInt8();
break;
case 'enum':
case 'uint8z':
case 'uint8':
$value = $this->reader->readUInt8();
break;
case 'sint16':
$value = $big_endian ? $this->reader->readInt16BE() : $this->reader->readInt16LE();
break;
case 'uint16z':
case 'uint16':
$value = $big_endian ? $this->reader->readUInt16BE() : $this->reader->readUInt16LE();
break;
case 'sint32':
$value = $big_endian ? $this->reader->readInt32BE() : $this->reader->readInt32LE();
break;
case 'uint32z':
case 'uint32':
$value = $big_endian ? $this->reader->readUInt32BE() : $this->reader->readUInt32LE();
break;
case 'float32':
$value = $big_endian ? $this->reader->readFloatBE() : $this->reader->readFloatLE();
break;
case 'float64':
$value = $big_endian ? $this->reader->readDoubleBE() : $this->reader->readDoubleLE();
break;
case 'byte':
default:
$value = $this->reader->read($field_def['size']);
}
if (is_numeric($value) && $field_factor > 0) {
$value *= $field_factor;
}
$data[$field_name] = array('value' => $value, 'unit' => $field_unit);
if ($def['global_msg_number'] === 0 && $field_name === 'type') {
$this->file_type = $value;
}
}
$this->records[] = $data;
}
}
/**
* Reads 1 record from the file.
*/
protected function readRecord()
{
$record_header = $this->readRecordHeader();
$local_msg_type = $record_header['Local Message Type'];
if ($record_header['Message Type'] === true) {
//this is a definition message
$def = $this->readRecordDefinition();
$this->message_type_definitions[$local_msg_type] = $def;
} else {
//this is a data message
$def = $this->message_type_definitions[$local_msg_type];
$data = array();
/*
* Architecture Type
* 0: Definition and Data Messages are Little Endian
* 1: Definition and Data Message are Big Endian
*/
$big_endian = $def['architecture'] === 1;
if ($this->file_type === null) {
//default filetype, file_id is overal hetzelfde
$this->file_type = \Fit\FileType::activity;
}
foreach ($def['fields'] as $field_def) {
$profile_field_def = $this->profile->findFieldDefinition($this->file_type, $def['global_msg_number'], $field_def['field_def_number']);
if ($profile_field_def) {
$field_name = $profile_field_def[\Fit\Field::NAME];
$field_factor = (double) $profile_field_def[\Fit\Field::FACTOR];
$field_unit = $profile_field_def[\Fit\Field::UNIT];
} else {
$field_name = 'no:' . $field_def['field_def_number'];
$field_factor = 1;
$field_unit = '';
}
switch ($field_def['base_type']['base_type_definition']['name']) {
case 'string':
$value = $this->reader->readString8($field_def['size']);
break;
case 'sint8':
$value = $this->reader->readInt8();
break;
case 'enum':
case 'uint8z':
case 'uint8':
$value = $this->reader->readUInt8();
break;
case 'sint16':
$value = $big_endian ? $this->reader->readInt16BE() : $this->reader->readInt16LE();
break;
case 'uint16z':
case 'uint16':
$value = $big_endian ? $this->reader->readUInt16BE() : $this->reader->readUInt16LE();
break;
case 'sint32':
$value = $big_endian ? $this->reader->readInt32BE() : $this->reader->readInt32LE();
break;
case 'uint32z':
case 'uint32':
$value = $big_endian ? $this->reader->readUInt32BE() : $this->reader->readUInt32LE();
break;
case 'float32':
$value = $big_endian ? $this->reader->readFloatBE() : $this->reader->readFloatLE();
break;
case 'float64':
$value = $big_endian ? $this->reader->readDoubleBE() : $this->reader->readDoubleLE();
break;
case 'byte':
default:
$value = $this->reader->read($field_def['size']);
}
if (is_numeric($value) && $field_factor > 0) {
$value *= $field_factor;
}
$data[$field_name] = array('value' => $value, 'unit' => $field_unit);
if ($def['global_msg_number'] === 0 && $field_name === 'type') {
$this->file_type = $value;
}
}
$this->records[] = $data;
}
if ($this->debug) {
$style = 'padding:1px 3px;background:white;';
$style2 = 'padding:1px 3px;background:lightgrey;';
$style3 = 'padding:1px 3px;background:darkgrey;';
static::$log->add('
<tr>
<td style="' . $style . '">' . intval($this->headerbits[7]) . '</td>
<td style="' . $style2 . '">' . intval($this->headerbits[6]) . '</td>
<td style="' . $style . '">' . intval($this->headerbits[5]) . '</td>
<td style="' . $style . '">' . intval($this->headerbits[4]) . '</td>
<td style="' . $style2 . '">' . intval($this->headerbits[3]) . '</td>
<td style="' . $style2 . '">' . intval($this->headerbits[2]) . '</td>
<td style="' . $style2 . '">' . intval($this->headerbits[1]) . '</td>
<td style="' . $style2 . '">' . intval($this->headerbits[0]) . '</td>
<td style="' . $style3 . '">' . $local_msg_type . '</td>
<td style="' . $style3 . '">' . $def['global_msg_number'] . '</td>
<td style="' . $style3 . '">' . $this->file_type . '</td>
');
if (isset($data)) {
foreach ($data as $k => $d) {
$v = $d['value'];
if (stripos($k, 'time') !== false && stripos($k, 'total') === false) {
$v = strftime('%FT%H:%M:%S%z', \Fit\Data::timeToUnix($v));
} elseif ($d['unit'] === 'deg') {
$v = \Fit\Data::positionToDegrees($v);
}
static::$log->add('<td style="' . $style . '">' . $k . ': ' . $v . $d['unit'] . '</td>');
}
}
static::$log->add('</tr>');
}
}
/**
* Overwrite the method to read bytes within the Ogg bitstream.
*
* @param integer $length The amount of bytes to read within the Ogg bitstream.
* @return string
* @throws Zend_Io_Exception if an I/O error occurs
*/
public function read($length)
{
$currentPageSize = $this->_pages[$this->_currentPageNumber]['page']->getPageSize();
if ($this->_currentPagePosition + $length >= $currentPageSize) {
$buffer = parent::read($currentPageSize - $this->_currentPagePosition);
parent::skip($this->_pages[++$this->_currentPageNumber]['page']->getHeaderSize());
return $buffer . parent::read($this->_currentPagePosition = $length - ($currentPageSize - $this->_currentPagePosition));
} else {
$buffer = parent::read($length);
$this->_currentPagePosition += $length;
return $buffer;
}
}