diff options
Diffstat (limited to 'libraries/phpvideotoolkit/adapters/toolkit/frame.php')
| -rw-r--r-- | libraries/phpvideotoolkit/adapters/toolkit/frame.php | 325 |
1 files changed, 0 insertions, 325 deletions
diff --git a/libraries/phpvideotoolkit/adapters/toolkit/frame.php b/libraries/phpvideotoolkit/adapters/toolkit/frame.php deleted file mode 100644 index ecbed92..0000000 --- a/libraries/phpvideotoolkit/adapters/toolkit/frame.php +++ /dev/null @@ -1,325 +0,0 @@ -<?php - - /* SVN FILE: $Id$ */ - /** - * @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. - */ - - /** - * This is similar in terms to FFmpeg-PHP's ffmpeg_frame, however the constructor can accept any number of items such as - * a GD image, an image file, or an instance of PHPVideoToolkit, note if using an instance of PHPVideoToolkit you must - * have already specified the frame you wish to extract with PHPVideoToolkit::extractFrame() or set - */ - class PHPVideoToolkit_Frame - { - - private $_resource = null; - private $_gd_resource = null; - private $_resource_type = null; - private $_width = null; - private $_height = null; - private $_timecode = null; - - /** - * Class Constructor - * @param resource $gd_resource A GD image resource. - * @param integer $timecode The time in seconds of the frame. If false and the $resource is a PHPVideoToolkit instance then the timecode will be retrieved from - * the instance. However if $timecode is set and the $resource is a PHPVideoToolkit the $timecode will override the time retrieved from the instance. - */ - function __construct($resource, $timecode=false) - { -// is this a gd resource - if(is_resource($resource) && get_resource_type($resource) == 'gd') - { - $this->_gd_resource = $resource; - $this->_resource_type = 'gd'; - $this->_width = imagesx($resource); - $this->_height = imagesy($resource); - $this->_timecode = $timecode; - } -// is this a gd resource - else if(is_string($resource) && is_file($resource)) - { - $this->_resource_type = 'file'; - $dimensions = getimagesize($resource); - $this->_width = $dimensions[0]; - $this->_height = $dimensions[1]; - $this->_timecode = $timecode; - } -// check for PHPVideoToolkit class instance - else if(get_class($resource) == 'PHPVideoToolkit') - { - $info = $resource->getFileInfo(); - if(!$info) - { -// throw error - } - if(!isset($info['video'])) - { -// throw error - } - $this->_resource = $resource; - $this->_resource_type = 'toolkit'; - $this->_width = $info['video']['dimensions']['width']; - $this->_height = $info['video']['dimensions']['height']; -// set the timecode, the $timecode value will override - $set_timecode = $resource->hasCommand('-ss'); - $this->_timecode = $timecode === false && $set_timecode !== false ? $set_timecode : $timecode; - } -// isn't a valid resource type so throw error - else - { -// throw error - } - } - - /** - * Destroys any gd resource if made - */ - function __destruct() - { - if($this->_resource_type == 'gd' && is_resource($this->_resource)) - { - imagedestroy($this->_resource); - } - } - - /** - * Determines if the resource supplied to the frame is valid. - * @access public - * @return integer - */ - public function hasValidResource() - { - return $this->_resource_type !== null; - } - - /** - * Return the width of the frame. - * @access public - * @return integer - */ - public function getWidth() - { - return $this->_width; - } - - /** - * Return the height of the frame. - * @access public - * @return integer - */ - public function getHeight() - { - return $this->_height; - } - - /** - * Return the presentation time stamp of the frame. - * @access public - * @uses ffmpeg_frame::getPTS() - * @return integer - */ - public function getPresentationTimestamp() - { - return $this->getPTS(); - } - - /** - * Return the presentation time stamp of the frame. - * @access public - * @return integer - */ - public function getPTS() - { - return $this->_timecode; - } - - /** - * Determines if the current frame is a keyframe. - * @access public - * @return integer - */ - public function isKeyFrame() - { - return false; - } - - /** - * Resize and optionally crop the frame. - * NOTE 1: Cropping is always applied to the frame before it is resized. - * NOTE 2: Crop values must be even numbers. - * @access public - * @param integer $width New width of the frame (must be an even number). - * @param integer $height New height of the frame (must be an even number). - * @param integer $crop_top Remove [croptop] rows of pixels from the top of the frame. - * @param integer $crop_bottom Remove [cropbottom] rows of pixels from the bottom of the frame. - * @param integer $crop_left Remove [cropleft] rows of pixels from the left of the frame. - * @param integer $crop_right Remove [cropright] rows of pixels from the right of the frame. - * @return boolean - */ - public function resize($width, $height, $crop_top=false, $crop_bottom=false, $crop_left=false, $crop_right=false) - { -// generate a GD resource - $this->_generateGDImageFromResource(); -// are we cropping? - if($crop_top !== false || $crop_bottom !== false || $crop_left !== false || $crop_right !== false) - { -// crop and check it went ok - if(!$this->crop($crop_top, $crop_bottom, $crop_left, $crop_right)) - { - return false; - } - } -// check the width and height - if($width <= 0 || $height <= 0) - { - return false; - } -// now resize what we have - $resize_resource = imagecreatetruecolor($width, $height); -// copy the portion we want - imagecopyresampled($resize_resource, $this->_gd_resource, 0, 0, 0, 0, $width, $height, $this->_width, $this->_height); -// destroy the old crop resource to free up memory - imagedestroy($this->_gd_resource); -// save the new resource - $this->_gd_resource = $resize_resource; -// update the saved width and height - $this->_width = $width; - $this->_height = $height; - return true; - } - - /** - * Crop the frame. - * @access public - * @param integer $crop_top Remove [croptop] rows of pixels from the top of the frame. - * @param integer $crop_bottom Remove [cropbottom] rows of pixels from the bottom of the frame. - * @param integer $crop_left Remove [cropleft] rows of pixels from the left of the frame. - * @param integer $crop_right Remove [cropright] rows of pixels from the right of the frame. - * @return boolean - */ - public function crop($crop_top=false, $crop_bottom=false, $crop_left=false, $crop_right=false) - { -// generate a GD resource - $this->_generateGDImageFromResource(); -// work out the newwidth and height and positions - $w = $this->_width; - $h = $this->_height; - $x = 0; - $y = 0; - $x_bottom_chord = 0; - if($crop_top !== false) - { - $x = $crop_top; - $h -= $crop_top; - } - if($crop_bottom !== false) - { - $h -= $crop_bottom; - } - if($crop_left !== false) - { - $y = $crop_left; - $w -= $crop_left; - } - if($crop_right !== false) - { - $w -= $crop_left; - } -// is the width and height greater than 0 - if($w < 0 || $h < 0) - { - return false; - } -// create the new image resource - $crop_resource = imagecreatetruecolor($w, $h); -// copy the portion we want - imagecopyresampled($crop_resource, $this->_gd_resource, 0, 0, $x, $y, $w, $h, $w, $h); -// destroy the old resource to free up memory - imagedestroy($this->_gd_resource); -// save the new resource - $this->_gd_resource = $crop_resource; -// update the saved width and height - $this->_width = $w; - $this->_height = $h; - return true; - } - - /** - * Returns a truecolor GD image of the frame. - * @access public - * @return resource Returns a GD resource. - */ - public function toGDImage() - { - $this->_generateGDImageFromResource() - return $this->_gd_resource; - } - - /** - * Returns a GD resource from the current resource type. - * @access private - */ - private function _generateGDImageFromResource() - { -// don't do this if the gd resource is already defined - if($this->_gd_resource === null) - { - switch($this->_resource_type) - { - case 'toolkit' : - $result = $this->_resource->execute(false, false); -// check the return value in-case of error - if($result !== PHPVideoToolkit::RESULT_OK) - { -// throw error - } - $img = array_shift($this->_resource->getLastOutput()); - if(!is_file($img)) - { -// throw error - } - $this->_gd_resource = imagecreatefromjpeg($img); - break; - - case 'file' : - $path_info = pathinfo($this->_resource); - switch(strtolower($path_info['extension'])) - { - case 'jpeg' : - case 'jpg' : - $this->_gd_resource = imagecreatefromjpeg($this->_resource); - break; - case 'gif' : - $this->_gd_resource = imagecreatefromgif($this->_resource); - break; - case 'png' : - $this->_gd_resource = imagecreatefrompng($this->_resource); - break; - default : -// throw error - } - break; - - case 'gd' : -// resource is already gd - break; - } - } - } - - } |