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authorHeshan <heshan@heidisoft.com>2011-07-12 09:42:44 +0530
committerHeshan <heshan@heidisoft.com>2011-07-12 09:42:44 +0530
commitb2eb0df792e7724538c4afeb7d8929a241a03773 (patch)
tree08753d134ca763de0fa58b46809d1f164443731b /libraries/phpvideotoolkit/adapters/ffmpeg-php/ffmpeg_movie.php
parent0efed16fb38616e5a1c94fa5f1f74107059d6d43 (diff)
downloadvideo-b2eb0df792e7724538c4afeb7d8929a241a03773.tar.gz
video-b2eb0df792e7724538c4afeb7d8929a241a03773.tar.bz2
Remove the library addons and other unwanted folders.
Diffstat (limited to 'libraries/phpvideotoolkit/adapters/ffmpeg-php/ffmpeg_movie.php')
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diff --git a/libraries/phpvideotoolkit/adapters/ffmpeg-php/ffmpeg_movie.php b/libraries/phpvideotoolkit/adapters/ffmpeg-php/ffmpeg_movie.php
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--- a/libraries/phpvideotoolkit/adapters/ffmpeg-php/ffmpeg_movie.php
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-<?php
-
- /**
- * This is a pure php emulation of the PHP module FFmpeg-PHP.
- * NOTE: Please note whenever possible you should use ffmpeg-php as it is much more efficient than this pure PHP emulation.
- * @author Oliver Lillie (aka buggedcom) <publicmail@buggedcom.co.uk>
- * @package PHPVideoToolkit
- * @license BSD
- * @copyright Copyright (c) 2008 Oliver Lillie <http://www.buggedcom.co.uk>
- * Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation
- * files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy,
- * modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software
- * is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
- * WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
- * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
- * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- * @uses php-reader
- * - @link http://code.google.com/p/php-reader/
- * - @author Sven Vollbehr <svollbehr@gmail.com>
- * - @license http://code.google.com/p/php-reader/wiki/License New BSD License
- * @see ffmpeg-php,
- * - @link http://ffmpeg-php.sourceforge.net/
- * - @author Todd Kirby.
- * - all phpdoc documentation is lifted directly from the ffmpeg-php docs
- */
-
- if(!defined('DS'))
- {
- define('DS', DIRECTORY_SEPARATOR);
- }
-
- class ffmpeg_movie
- {
-
- private $_frame_index = 1;
- private $_toolkit = null;
- private $_media_data = null;
- private $_php_reader = null;
- private $_path_to_media = null;
- private $_tmp_directory = null;
-
- /**
- * Class Constructor
- * @param string $path_to_media The path to the media file you want to use.
- * @param string $persistent (not used in this class - but exists to emulate the ffmpeg-php module)
- * @param string $tmp_directory The temp directory to which to work from. (This is only required by this class
- * and not by ffmpeg-php so some minor hacking of your scripts may need to be done). (remember the trailing slash)
- */
- function __construct($path_to_media, $persistent=false, $tmp_directory='/tmp/')
- {
-// store the media path
- $this->_path_to_media = $path_to_media;
- $this->_tmp_directory = $tmp_directory;
-// init PHPVideoToolkit class
- require_once dirname(dirname(dirname(__FILE__))).DS.'phpvideotoolkit.php5.php';
- $this->_toolkit = new PHPVideoToolkit($tmp_directory);
- $this->_toolkit->on_error_die = false;
-// set the input
- $this->_toolkit->setInputFile($path_to_media);
- $this->_media_data = $this->_toolkit->getFileInfo();
-// print_r($this->_media_data);
- }
-
- /**
- * Access and returns the id3 information using getID3.
- * @access private
- * @return boolean true if the information was able to be retrieved, false if not
- */
- private function _getPHPReader()
- {
- if($this->_php_reader === null)
- {
- $this->_php_reader = -1;
- $php_reader = dirname(__FILE__).DS.'php-reader'.DS.'src'.DS.'ID3v1.php';
- if(is_file($php_reader))
- {
- require_once $php_reader;
- try
- {
- $this->_php_reader = new ID3v1($this->_path_to_media);
- }
- catch (Exception $e)
- {
- return false;
- }
- return true;
- }
- }
- return $this->_php_reader !== -1;
- }
-
- /**
- * Return the duration of a movie or audio file in seconds.
- * @access public
- * @return integer
- */
- public function getDuration()
- {
- return $this->_media_data['duration']['seconds'];
- }
-
- /**
- * Return the number of frames in a movie or audio file.
- * @access public
- * @return integer
- */
- public function getFrameCount()
- {
- return $this->hasVideo() ? $this->_media_data['video']['frame_count'] : -1;
- }
-
- /**
- * Return the frame rate of a movie in fps.
- * @access public
- * @return integer
- */
- public function getFrameRate()
- {
- return $this->hasVideo() ? $this->_media_data['video']['frame_rate'] : -1;
- }
-
- /**
- * Return the path and name of the movie file or audio file.
- * @access public
- * @return string
- */
- public function getFilename()
- {
- return basename($this->_path_to_media);
- }
-
- /**
- * Makes checks and returns the id3 element value.
- * @access private
- * @return mixed string | -1
- */
- private function _getPHPReaderElement($element)
- {
- if($this->hasAudio())
- {
- if($this->_getPHPReader() && isset($this->_php_reader->{$element}))
- {
- return $this->_php_reader->{$element};
- }
- }
- return -1;
- }
-
- /**
- * Return the comment field from the movie or audio file.
- * Returns -1 on failure.
- * @access public
- * @return mixed array | -1
- */
- public function getComment()
- {
- return $this->_getPHPReaderElement('comment');
- }
-
- /**
- * Return the title field from the movie or audio file.
- * Returns -1 on failure.
- * @access public
- * @return string
- */
- public function getTitle()
- {
- return $this->_getPHPReaderElement('title');
- }
-
- /**
- * Return the copyright field from the movie or audio file.
- * @access public
- * @return string
- */
- public function getCopyright()
- {
- return $this->_getPHPReaderElement('copyright');
- }
-
- /**
- * Return the author field from the movie or the artist ID3 field from an mp3 file.
- * @uses ffmpeg_movie::getArtist();
- * @access public
- * @return string
- */
- public function getAuthor()
- {
- return $this->getArtist();
- }
-
- /**
- * Return the artist ID3 field from an mp3 file.
- * @access public
- * @return string
- */
- public function getArtist()
- {
- return $this->_getPHPReaderElement('artist');
- }
-
- /**
- * Return the album ID3 field from an mp3 file.
- * @access public
- * @return string
- */
- public function getAlbum()
- {
- return $this->_getPHPReaderElement('album');
- }
-
- /**
- * Return the genre ID3 field from an mp3 file.
- * @access public
- * @return string
- */
- public function getGenre()
- {
- return $this->_getPHPReaderElement('genre');
- }
-
- /**
- * Return the track ID3 field from an mp3 file.
- * @access public
- * @return integer
- */
- public function getTrackNumber()
- {
- return $this->_getPHPReaderElement('track');
- }
-
- /**
- * Return the year ID3 field from an mp3 file.
- * @access public
- * @return integer
- */
- public function getYear()
- {
- return $this->_getPHPReaderElement('year');
- }
-
- /**
- * Return the height of the movie in pixels.
- * @access public
- * @return integer
- */
- public function getFrameHeight()
- {
- return $this->hasVideo() && isset($this->_media_data['video']['dimensions']) ? $this->_media_data['video']['dimensions']['height'] : -1;
- }
-
- /**
- * Return the width of the movie in pixels.
- * @access public
- * @return integer
- */
- public function getFrameWidth()
- {
- return $this->hasVideo() && isset($this->_media_data['video']['dimensions']) ? $this->_media_data['video']['dimensions']['width'] : -1;
- }
-
- /**
- * Return the pixel format of the movie.
- * @access public
- * @return mixed string | -1
- */
- public function getPixelFormat()
- {
- return $this->hasVideo() ? $this->_media_data['video']['pixel_format'] : -1;
- }
-
- /**
- * Return the pixel aspect ratio of the movie
- * @access public
- * @return integer
- */
- public function getPixelAspectRatio()
- {
- return -1;
- }
-
- /**
- * Return the bit rate of the movie or audio file in bits per second.
- * @access public
- * @return integer
- */
- public function getBitRate()
- {
- return isset($this->_media_data['bitrate']) ? $this->_media_data['bitrate'] : -1;
- }
-
- /**
- * Return the bit rate of the video in bits per second.
- * NOTE: This only works for files with constant bit rate.
- * @access public
- * @return integer
- */
- public function getVideoBitRate()
- {
- return $this->hasVideo() && isset($this->_media_data['video']['bitrate']) ? $this->_media_data['video']['bitrate'] : -1;
- }
-
- /**
- * Return the audio bit rate of the media file in bits per second.
- * @access public
- * @return integer
- */
- public function getAudioBitRate()
- {
- return $this->hasAudio() && isset($this->_media_data['audio']['bitrate']) ? $this->_media_data['audio']['bitrate'] : -1;
- }
-
- /**
- * Return the audio sample rate of the media file in bits per second.
- * @access public
- * @return integer
- */
- public function getAudioSampleRate()
- {
- return $this->hasAudio() && isset($this->_media_data['audio']['sample_rate']) ? $this->_media_data['audio']['sample_rate'] : -1;
- }
-
- /**
- * Return the name of the video codec used to encode this movie as a string.
- * @access public
- * @param boolean $return_all If true it will return all audio codecs found.
- * @return mixed string | array
- */
- public function getVideoCodec($return_all=false)
- {
- return $this->hasVideo() ? $this->_media_data['video']['codec'] : -1;
- }
-
- /**
- * Return the name of the audio codec used to encode this movie as a string.
- * @access public
- * @param boolean $return_all If true it will return all audio codecs found.
- * @return mixed string | array
- */
- public function getAudioCodec()
- {
- return $this->hasAudio() ? $this->_media_data['audio']['codec'] : -1;
- }
-
- /**
- * Return the number of audio channels in this movie as an integer.
- * @access public
- * @return integer
- */
- public function getAudioChannels()
- {
- if($this->hasAudio())
- {
- if($this->_getPHPReader() && isset($this->_getid3_data['audio']) && isset($this->_getid3_data['audio']['channels']))
- {
- return $this->_getid3_data['audio']['channels'];
- }
- return 1;
- }
- return 0;
- }
-
- /**
- * Return boolean value indicating whether the movie has an audio stream.
- * @access public
- * @return boolean
- */
- public function hasAudio()
- {
- return isset($this->_media_data['audio']);
- }
-
- /**
- * Return boolean value indicating whether the movie has a video stream.
- * @access public
- * @return boolean
- */
- public function hasVideo()
- {
- return isset($this->_media_data['video']);
- }
-
- /**
- * Returns a frame from the movie as an ffmpeg_frame object.
- * Returns false if the frame was not found.
- * @access public
- * @return mixed boolean | ffmpeg_frame
- */
- public function getFrame($frame_number=false)
- {
- if(!$this->hasVideo())
- {
- return false;
- }
- $this->_toolkit->reset(true);
- require_once dirname(__FILE__).DS.'ffmpeg_frame.php';
- if(!$frame_number)
- {
- $frame_number = $this->_frame_index;
- $this->_frame_index += 1;
- }
- else
- {
- $this->_frame_index = $frame_number;
- }
-// check the frame required exists in the video
- if($frame_number > $this->getFrameCount())
- {
- return false;
- }
-// work out the exact frame to take
- $frame_rate = $this->getFrameRate();
-// generate a unique name
- $tmp_name = $this->_toolkit->unique().'-%index.jpg';
-// extract the frame
-// print_r(array($frame_number, $frame_rate, '%ft'));
- $this->_toolkit->extractFrame($frame_number, $frame_rate, '%ft');
- $this->_toolkit->setOutput($this->_tmp_directory, $tmp_name, PHPVideoToolkit::OVERWRITE_EXISTING);
- $result = $this->_toolkit->execute(false, true);
-// check the image has been outputted
-// print_r(array($this->_toolkit->getLastError(), $this->_toolkit->getLastCommand()));
-// print_r(array($this->_toolkit->getLastCommand()));
-// print_r(array($tmp_name, $this->_toolkit->getLastOutput()));
- if($result !== PHPVideoToolkit::RESULT_OK)
- {
- return false;
- }
-// load the frame into gd
- $temp_output = array_shift(array_flip($this->_toolkit->getLastOutput()));
- $gd_img = imagecreatefromjpeg($temp_output);
-// delete the temp image
- unlink($temp_output);
-// return the ffmpeg frame instance
- $ffmpeg_frame_time = $this->_toolkit->formatTimecode($frame_number, '%ft', '%hh:%mm:%ss.%ms', $frame_rate);
- return new ffmpeg_frame($gd_img, $ffmpeg_frame_time);
- }
-
- /**
- * Note; this doesn't behave exactly as ffmpeg_movie, this will get the first frame
- * of the next second in the movie.
- * Returns the next key frame from the movie as an ffmpeg_frame object.
- * Returns false if the frame was not found.
- * @uses ffmpeg_movie::getFrame();
- * @access public
- * @return mixed boolean | ffmpeg_frame
- */
- public function getNextKeyFrame()
- {
- $frame_rate = $this->getFrameRate();
-// work out the next frame
- $current_second = floor($frame_number/$frame_rate);
- $excess = $frame_number-($seconds * $frame_rate);
- $frames_to_next = $frame_rate-$excess;
- $this->_frame_index += $frames_to_next;
-// get the frame
- return $this->getFrame();
- }
-
- /**
- * Return the current frame index.
- * @access public
- * @return integer
- */
- public function getFrameNumber()
- {
- return $this->_frame_index;
- }
-
- }
- \ No newline at end of file