Difference between revisions of "Extension:VideoSectionLink"

From Organic Design wiki
($this)
($wgScript, shellexec, readfile)
Line 50: Line 50:
 
global $egVideoSectionLinkMagic;
 
global $egVideoSectionLinkMagic;
 
  
 
  
   $text="{{SERVER}}/" . $param1 . "?action=videosection&param2=" . $param2 . "&param3=" .$param3;
+
   $text= $wgScript . "/" . $param1 . "?action=videosection&param2=" . $param2 . "&param3=" .$param3;
 
# Return result with available parser flags
 
# Return result with available parser flags
 
return array(
 
return array(
Line 62: Line 62:
 
 
 
}
 
}
 +
 +
/**
 +
* Callback method executes a shell command returning the section of the movie requested
 +
*/
 +
function onUnknownAction($action, $article) {
 +
 +
#here we test for the action=videosection and extract the parameters from the query string
 +
   
 +
    #param1 = Extract the title name here
 +
   
 +
    #The following is not going to work because I'm not doing anything with out1.mpg and I'm not sure if I can assign all that to $movie anyway
 +
$success = shellexec(fmpeg -i $param1 -ss $param2 -t $param3 out.mpg);
 +
 +
$wgOut->disable();
 +
header("Content-Type: video/mpeg");
 +
header("Content-Disposition: attachment; filename=\"out.mpg\"");
 +
 +
#return the file as binary back to the client
 +
 +
readfile("out.mpg");
 +
return true;
 +
}
 
   
 
   
 
/**
 
/**
Line 85: Line 107:
 
global $egVideoSectionLinkMagic;
 
global $egVideoSectionLinkMagic;
 
$magicWords[$egVideoSectionLinkMagic] = array($langCode, $egVideoSectionLinkMagic);
 
$magicWords[$egVideoSectionLinkMagic] = array($langCode, $egVideoSectionLinkMagic);
return true;
 
}
 
 
function onUnknownAction($action, $article) {
 
 
#here we test for the action=videosection and extract the parameters from the query string
 
   
 
    #param1 = Extract the title name here
 
   
 
    #The following is not going to work because I'm not doing anything with out1.mpg and I'm not sure if I can assign all that to $movie anyway
 
$movie = `ffmpeg -i $param1 -ss $param2 -t $param3 out1.mpg`;
 
 
$wgOut->disable();
 
header("Content-Type: video/mpeg");
 
header("Content-Disposition: attachment; filename=\"$movie.mpeg\"");
 
#And I suppose I'd better find a way to make sure the readfile does something on the page.
 
readfile($movie);
 
 
return true;
 
return true;
 
}
 
}

Revision as of 00:24, 12 November 2008

<?php

Info.svg These are the MediaWiki extensions we're using and/or developing. Please refer to the information on the mediawiki.org wiki for installation and usage details. Extensions here which have no corresponding mediawiki article are either not ready for use or have been superseded. You can also browse our extension code in our local Subversion repository or our GitHub mirror.

Template:PhpCategory:Extensions created with Template:Extension

/**

* VideoSectionLink extension - An extension to enable users to link to defined sections of video. Made with Template:Extension
*
* See http://www.mediawiki.org/wiki/Extension:VideoSectionLink for installation and usage details
*
* @package MediaWiki
* @subpackage Extensions
* @author User:Jack
* @copyright © 2008 User:Jack
* @licence GNU General Public Licence 2.0 or later
*/

if (!defined('MEDIAWIKI')) die('Not an entry point.');

define('VIDEOSECTIONLINK_VERSION', '0.0.1, 2008-10-31');

$egVideoSectionLinkMagic = 'videosection'; $wgExtensionFunctions[] = 'efSetupVideoSectionLink'; $wgHooks['LanguageGetMagic'][] = 'efVideoSectionLinkLanguageGetMagic';


$wgExtensionCredits['parserhook'][] = array( 'name' => 'VideoSectionLink', 'author' => 'User:Jack', 'description' => 'An extension to enable users to link to defined sections of video. Made with Template:Extension', 'url' => 'http://www.organicdesign.co.nz/Extension:VideoSectionLink', 'version' => VIDEOSECTIONLINK_VERSION );

class VideoSectionLink {

/** * Constructor */ function __construct() { global $wgHooks, $wgParser, $egVideoSectionLinkMagic;

# Add the parser-function $wgParser->setFunctionHook($egVideoSectionLinkMagic, $this); #Add the Unknownaction hook $wgHooks['UnknownAction'][] = 'onUnknownAction'; #need to set up the new action here }

/** * Expand the videosection-magic */ function magicVideosectionlink(&$parser, $param1 = , $param2 = ,$param3 = ) {

global $egVideoSectionLinkMagic;

  		$text= $wgScript . "/" . $param1 . "?action=videosection&param2=" . $param2 . "&param3=" .$param3;

# Return result with available parser flags return array( $text, 'found' => true, 'nowiki' => false, 'noparse' => false, 'noargs' => false, 'isHTML' => false );

}

/** * Callback method executes a shell command returning the section of the movie requested */ function onUnknownAction($action, $article) {

#here we test for the action=videosection and extract the parameters from the query string

#param1 = Extract the title name here

#The following is not going to work because I'm not doing anything with out1.mpg and I'm not sure if I can assign all that to $movie anyway $success = shellexec(fmpeg -i $param1 -ss $param2 -t $param3 out.mpg);

$wgOut->disable(); header("Content-Type: video/mpeg"); header("Content-Disposition: attachment; filename=\"out.mpg\"");

#return the file as binary back to the client

readfile("out.mpg"); return true; }

/** * Needed in some versions to prevent Special:Version from breaking */ function __toString() { return __CLASS__; }

}

/**

* Called from $wgExtensionFunctions array when initialising extensions
*/

function efSetupVideoSectionLink() { global $egVideoSectionLink; $egVideoSectionLink = new VideoSectionLink();

}

/**

* Needed in MediaWiki >1.8.0 for magic word hooks to work properly
*/

function efVideoSectionLinkLanguageGetMagic(&$magicWords, $langCode = 0) { global $egVideoSectionLinkMagic; $magicWords[$egVideoSectionLinkMagic] = array($langCode, $egVideoSectionLinkMagic); return true; }