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Add write support for ID3v2 frames

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git-svn-id: http://php-reader.googlecode.com/svn/trunk@65 51a70ab9-7547-0410-9469-37e369ee0574
This commit is contained in:
svollbehr
2008-04-02 15:22:46 +00:00
parent 458335dc9f
commit ad6a722bae
88 changed files with 1857 additions and 337 deletions
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45
src/ID3/Frame/ASPI.php
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@@ -50,6 +50,7 @@ require_once("ID3/Frame.php");
* {@link ID3_Frame_TLEN} frame, indicating the duration of the file in
* milliseconds. There may only be one audio seek point index frame in a tag.
*
* @todo Data parsing and write support
* @package php-reader
* @subpackage ID3
* @author Sven Vollbehr <svollbehr@gmail.com>
@@ -70,30 +71,34 @@ final class ID3_Frame_ASPI extends ID3_Frame
private $_size;
/** @var Array */
private $_fraction = array();
private $_fractions = array();
/**
* Constructs the class with given parameters and parses object related data.
*
* @param Reader $reader The reader object.
*/
public function __construct($reader)
public function __construct($reader = null)
{
parent::__construct($reader);
if ($reader === null)
throw new ID3_Exception("Write not supported yet");
$this->_dataStart = Transform::fromInt32BE(substr($this->_data, 0, 4));
$this->_dataLength = Transform::fromInt32BE(substr($this->_data, 4, 4));
$this->_size = Transform::fromInt16BE(substr($this->_data, 8, 2));
$bitsPerPoint = substr($this->_data, 10, 1);
for ($i = 0, $offset = 11; $i < $this->_size; $i++) {
$bitsPerPoint = Transform::fromInt8($this->_data[10]);
/*for ($i = 0, $offset = 11; $i < $this->_size; $i++) {
if ($bitsPerPoint == 16) {
$this->_fraction[$i] = substr($this->_data, $offset, 2);
$this->_fractions[$i] = substr($this->_data, $offset, 2);
$offset += 2;
} else {
$this->_fraction[$i] = substr($this->_data, $offset, 1);
$this->_fractions[$i] = substr($this->_data, $offset, 1);
$offset ++;
}
}
}*/
}
/**
@@ -103,6 +108,13 @@ final class ID3_Frame_ASPI extends ID3_Frame
*/
public function getDataStart() { return $this->_dataStart; }
/**
* Sets the byte offset from the beginning of the file.
*
* @param integer $dataStart The offset.
*/
public function setDataStart($dataStart) { $this->_dataStart = $dataStart; }
/**
* Returns the byte length of the audio data being indexed.
*
@@ -110,12 +122,22 @@ final class ID3_Frame_ASPI extends ID3_Frame
*/
public function getDataLength() { return $this->_dataLength; }
/**
* Sets the byte length of the audio data being indexed.
*
* @param integer $dataLength The length.
*/
public function setDataLength($dataLength)
{
$this->_dataLength = $dataLength;
}
/**
* Returns the number of index points in the frame.
*
* @return integer
*/
public function getSize() { return $this->_size; }
public function getSize() { return count($this->_fractions); }
/**
* Returns the numerator of the fraction representing a relative position in
@@ -125,5 +147,10 @@ final class ID3_Frame_ASPI extends ID3_Frame
* @param integer $index The fraction numerator.
* @return integer
*/
public function getFractionAt($index) { return $this->_fraction[$index]; }
public function getFractionAt($index)
{
if (isset($this->_fractions[$index]))
return $this->_fractions[$index];
return false;
}
}