diff options
Diffstat (limited to 'libraries/phpvideotoolkit/adapters/ffmpeg-php/php-reader/src/ID3/Frame/SYTC.php')
| -rw-r--r-- | libraries/phpvideotoolkit/adapters/ffmpeg-php/php-reader/src/ID3/Frame/SYTC.php | 161 |
1 files changed, 0 insertions, 161 deletions
diff --git a/libraries/phpvideotoolkit/adapters/ffmpeg-php/php-reader/src/ID3/Frame/SYTC.php b/libraries/phpvideotoolkit/adapters/ffmpeg-php/php-reader/src/ID3/Frame/SYTC.php deleted file mode 100644 index 5673a4e..0000000 --- a/libraries/phpvideotoolkit/adapters/ffmpeg-php/php-reader/src/ID3/Frame/SYTC.php +++ /dev/null @@ -1,161 +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: SYTC.php 107 2008-08-03 19:09:16Z svollbehr $ - */ - -/**#@+ @ignore */ -require_once("ID3/Frame.php"); -require_once("ID3/Timing.php"); -/**#@-*/ - -/** - * For a more accurate description of the tempo of a musical piece, the - * <i>Synchronised tempo codes</i> frame might be used. - * - * The tempo data consists of one or more tempo codes. Each tempo code consists - * of one tempo part and one time part. The tempo is in BPM described with one - * or two bytes. If the first byte has the value $FF, one more byte follows, - * which is added to the first giving a range from 2 - 510 BPM, since $00 and - * $01 is reserved. $00 is used to describe a beat-free time period, which is - * not the same as a music-free time period. $01 is used to indicate one single - * beat-stroke followed by a beat-free period. - * - * The tempo descriptor is followed by a time stamp. Every time the tempo in the - * music changes, a tempo descriptor may indicate this for the player. All tempo - * descriptors must be sorted in chronological order. The first beat-stroke in - * a time-period is at the same time as the beat description occurs. There may - * only be one SYTC frame in each tag. - * - * @package php-reader - * @subpackage ID3 - * @author Sven Vollbehr <svollbehr@gmail.com> - * @author Ryan Butterfield <buttza@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: 107 $ - */ -final class ID3_Frame_SYTC extends ID3_Frame - implements ID3_Timing -{ - /** Describes a beat-free time period. */ - const BEAT_FREE = 0x00; - - /** Indicate one single beat-stroke followed by a beat-free period. */ - const SINGLE_BEAT = 0x01; - - /** @var integer */ - private $_format = ID3_Timing::MPEG_FRAMES; - - /** @var Array */ - private $_events = 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) - 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); - } - - /** - * Returns the timing format. - * - * @return integer - */ - public function getFormat() { return $this->_format; } - - /** - * Sets the timing format. - * - * @see ID3_Timing - * @param integer $format The timing format. - */ - public function setFormat($format) { $this->_format = $format; } - - /** - * Returns the time-bpm tempo events. - * - * @return Array - */ - public function getEvents() { return $this->_events; } - - /** - * Sets the time-bpm tempo events. - * - * @param Array $events The time-bpm tempo events. - */ - public function setEvents($events) - { - $this->_events = $events; - ksort($this->_events); - } - - /** - * Returns the frame raw data. - * - * @return string - */ - public function __toString() - { - $data = Transform::toUInt8($this->_format); - foreach ($this->_events as $timestamp => $tempo) { - if ($tempo >= 0xff) - $data .= Transform::toUInt8(0xff) . Transform::toUInt8($tempo - 0xff); - else - $data .= Transform::toUInt8($tempo); - $data .= Transform::toUInt32BE($timestamp); - } - parent::setData($data); - return parent::__toString(); - } -} |