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Add basic ID3v2 write support, add unit tests

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git-svn-id: http://php-reader.googlecode.com/svn/trunk@64 51a70ab9-7547-0410-9469-37e369ee0574
This commit is contained in:
svollbehr
2008-04-01 10:38:12 +00:00
parent 1182f0e0ff
commit 458335dc9f
15 changed files with 950 additions and 475 deletions
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68
src/ID3/ExtendedHeader.php
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@@ -36,7 +36,7 @@
*/
/**#@+ @ignore */
require_once("Object.php");
require_once("ID3/Object.php");
/**#@-*/
/**
@@ -96,7 +96,7 @@ final class ID3_ExtendedHeader extends ID3_Object
{
parent::__construct($reader);
$offset = $this->_reader->offset;
$offset = $this->_reader->getOffset();
$this->_size = $this->decodeSynchsafe32($this->_reader->readUInt32BE());
$this->_reader->skip(1);
$this->_flags = $this->_reader->readInt8();
@@ -105,7 +105,7 @@ final class ID3_ExtendedHeader extends ID3_Object
$this->_reader->skip(1);
if ($this->hasFlag(self::CRC32)) {
$this->_reader->skip(1);
$this->_crc = Transform::getInt32BE
$this->_crc = Transform::fromInt32BE
(($this->_reader->read(1) << 4) &
$this->decodeSynchsafe32($this->_reader->read(4)));
}
@@ -114,7 +114,7 @@ final class ID3_ExtendedHeader extends ID3_Object
$this->_restrictions = $this->_reader->readInt8(1);
}
$this->_reader->skip($this->_size - $this->_reader->offset - $offset);
$this->_reader->skip($this->_size - $this->_reader->getOffset() - $offset);
}
/**
@@ -133,12 +133,44 @@ final class ID3_ExtendedHeader extends ID3_Object
*/
public function hasFlag($flag) { return ($this->_flags & $flag) == $flag; }
/**
* Returns the flags byte.
*
* @return integer
*/
public function getFlags($flags) { return $this->_flags; }
/**
* Sets the flags byte.
*
* @param integer $flags The flags byte.
*/
public function setFlags($flags) { $this->_flags = $flags; }
/**
* Returns the CRC-32 data.
*
* @return integer
*/
public function getCRC() { return $this->_crc; }
public function getCrc()
{
if ($this->hasFlag(self::CRC32))
return $this->_crc;
return false;
}
/**
* Sets whether the CRC-32 should be generated upon tag write.
*
* @param boolean $useCrc Whether CRC-32 should be generated
*/
public function setCrc($useCrc)
{
if ($useCrc)
$this->setFlags($this->getFlags() | self::CDC32);
else
$this->setFlags($this->getFlags() & ~self::CDC32);
}
/**
* Returns the restrictions. For some applications it might be desired to
@@ -189,4 +221,30 @@ final class ID3_ExtendedHeader extends ID3_Object
* @return integer
*/
public function getRestrictions() { return $this->_restrictions; }
/**
* Sets the restrictions byte. See {@link #getRestrictions} for more.
*
* @param integer $restrictions The restrictions byte.
*/
public function setRestrictions($restrictions)
{
$this->_restrictions = $restrictions;
}
/**
* Returns the header raw data.
*
* @todo CRC must use safesynch
* @return string
*/
public function toString()
{
return Transform::toUInt32BE($this->encodeSynchsafe32($this->_size)) .
Transform::toInt8(1) . Transform::toInt8($this->_flags) .
($this->hasFlag(self::UPDATE) ? "\0" : "") .
($this->hasFlag(self::CRC32) ? Transform::toInt8(5) . $this->_crc : "") .
($this->hasFlag(self::RESTRICTED) ?
Transform::toInt8(1) . Transform::toInt8($this->_restrictions) : "");
}
}