diff options
Diffstat (limited to 'libraries/phpvideotoolkit/adapters/ffmpeg-php/ffmpeg_movie.php')
| -rw-r--r-- | libraries/phpvideotoolkit/adapters/ffmpeg-php/ffmpeg_movie.php | 473 |
1 files changed, 0 insertions, 473 deletions
diff --git a/libraries/phpvideotoolkit/adapters/ffmpeg-php/ffmpeg_movie.php b/libraries/phpvideotoolkit/adapters/ffmpeg-php/ffmpeg_movie.php deleted file mode 100644 index a0a2219..0000000 --- a/libraries/phpvideotoolkit/adapters/ffmpeg-php/ffmpeg_movie.php +++ /dev/null @@ -1,473 +0,0 @@ -<?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; - } - - } -
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