diff options
Diffstat (limited to 'libraries/phpvideotoolkit/adapters/ffmpeg-php/php-reader/src/ID3/Frame/ASPI.php')
| -rw-r--r-- | libraries/phpvideotoolkit/adapters/ffmpeg-php/php-reader/src/ID3/Frame/ASPI.php | 157 |
1 files changed, 0 insertions, 157 deletions
diff --git a/libraries/phpvideotoolkit/adapters/ffmpeg-php/php-reader/src/ID3/Frame/ASPI.php b/libraries/phpvideotoolkit/adapters/ffmpeg-php/php-reader/src/ID3/Frame/ASPI.php deleted file mode 100644 index d51cc01..0000000 --- a/libraries/phpvideotoolkit/adapters/ffmpeg-php/php-reader/src/ID3/Frame/ASPI.php +++ /dev/null @@ -1,157 +0,0 @@ -<?php -/** - * PHP Reader Library - * - * Copyright (c) 2008 The PHP Reader Project Workgroup. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * - Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * - Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * - Neither the name of the project workgroup nor the names of its - * contributors may be used to endorse or promote products derived from this - * software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE - * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - * - * @package php-reader - * @subpackage ID3 - * @copyright Copyright (c) 2008 The PHP Reader Project Workgroup - * @license http://code.google.com/p/php-reader/wiki/License New BSD License - * @version $Id: ASPI.php 75 2008-04-14 23:57:21Z svollbehr $ - * @since ID3v2.4.0 - */ - -/**#@+ @ignore */ -require_once("ID3/Frame.php"); -/**#@-*/ - -/** - * Audio files with variable bit rates are intrinsically difficult to deal with - * in the case of seeking within the file. The <i>Audio seek point index</i> or - * ASPI frame makes seeking easier by providing a list a seek points within the - * audio file. The seek points are a fractional offset within the audio data, - * providing a starting point from which to find an appropriate point to start - * decoding. The presence of an ASPI frame requires the existence of a - * {@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> - * @copyright Copyright (c) 2008 The PHP Reader Project Workgroup - * @license http://code.google.com/p/php-reader/wiki/License New BSD License - * @version $Rev: 75 $ - * @since ID3v2.4.0 - */ -final class ID3_Frame_ASPI extends ID3_Frame -{ - /** @var integer */ - private $_dataStart; - - /** @var integer */ - private $_dataLength; - - /** @var integer */ - private $_size; - - /** @var Array */ - private $_fractions = array(); - - /** - * 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) - 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)); - - $bitsPerPoint = Transform::fromInt8($this->_data[10]); - /*for ($i = 0, $offset = 11; $i < $this->_size; $i++) { - if ($bitsPerPoint == 16) { - $this->_fractions[$i] = substr($this->_data, $offset, 2); - $offset += 2; - } else { - $this->_fractions[$i] = substr($this->_data, $offset, 1); - $offset ++; - } - }*/ - } - - /** - * Returns the byte offset from the beginning of the file. - * - * @return integer - */ - 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. - * - * @return integer - */ - 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 = $dataLength; - } - - /** - * Returns the number of index points in the frame. - * - * @return integer - */ - public function getSize() { return count($this->_fractions); } - - /** - * Returns the numerator of the fraction representing a relative position in - * the data or <var>false</var> if index not defined. The denominator is 2 - * to the power of b. - * - * @param integer $index The fraction numerator. - * @return integer - */ - public function getFractionAt($index) - { - if (isset($this->_fractions[$index])) - return $this->_fractions[$index]; - return false; - } -} |