Flash Video Action

<?php
/*
    Flash Video Action for WikkaWiki
    Copyright 2009 Christopher Vo

    Licensed under the Apache License, Version 2.0 (the "License");
    you may not use this file except in compliance with the License.
    You may obtain a copy of the License at

        http://www.apache.org/licenses/LICENSE-2.0

    Unless required by applicable law or agreed to in writing, software
    distributed under the License is distributed on an "AS IS" BASIS,
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
    limitations under the License.
*/

// get url, width, and height
$url = $vars['url'];

// if the url is not empty, embed a video
if(!empty($url)) {

    // get width and height
    $video_width = empty($vars['width']) ? 480 : $vars['width'];
    $video_height = empty($vars['height']) ? 385 : $vars['height'];

    // parse url
    $parsed = parse_url($url);
    if(!$parsed) {
        echo '[ Error: Video URL Malformed ]';
        return;
    }
    parse_str(htmlspecialchars_decode($parsed['query']),$parsed['query']);

    // detect host
    if(strpos($parsed['host'], 'youtube') !== false)
        $type = 'youtube';
    else if(strpos($parsed['host'], 'vimeo') !== false)
        $type = 'vimeo';
    else if(strpos($parsed['host'], 'google') !== false)
        $type = 'google';
    else if(strpos($parsed['host'], 'blip.tv') !== false)
        $type = 'blip';
    else {
        echo '[ Error: Video type not supported ]';
        return;
    }
   
    // set up the special stuff for each host
    $default_query = '';
    switch($type) {

    case 'youtube':
        $vid_id = $parsed['query']['v'];
        $default_query = array(
            'fs' => 1,
            'rel' => 0,
            'hl' => 'en');
        $default_query = http_build_query($default_query);
        $movie = 'http://www.youtube.com/v/' . $vid_id . '?'. $default_query;
        break;
   
    case 'vimeo':
        preg_match('/[0-9]+\/?$/', $parsed['path'], $vid_id_matches);
        $vid_id = $vid_id_matches[0];
        $default_query = array(
            'clip_id' => $vid_id,
            'server' => 'vimeo.com',
            'show_title' => 0,
            'show_byline' => 0,
            'show_portrait' => 0,
            'color' => '00adef',
            'fullscreen' => 1);
        $default_query = http_build_query($default_query);
        $movie = 'http://vimeo.com/moogaloop.swf?' . $default_query;
        break;
   
    case 'google':
        $vid_id = $parsed['query']['docid'];
        $default_query = array(
            'docid' => $vid_id,
            'hl' => 'en',
            'fs' => 'true');
        $default_query = http_build_query($default_query);
        $movie = 'http://video.google.com/googleplayer.swf?' . $default_query;
        break;

    case 'blip':
        $num_matches = preg_match('/[0-9]+\/?$/', $parsed['path'], $blip_id_matches);
        $blip_id = $blip_id_matches[0];
        // get api data from blip.tv
        $api_data = @file_get_contents('http://blip.tv/file/'.$blip_id.'?skin=api');
        if(!$api_data) {
            echo '[ Error: Could not communicate with blip.tv to embed video ]';
            return;
        }
        // extract embed URL from api data
        $xml = new SimpleXMLElement($api_data);
        $movie = $xml->payload->asset->embedUrl[0];
        break;
    }
   
    // create embed html
    $embed_html = '<object width="'.$video_width.'" height="'.$video_height.'">
    <param name="allowFullScreen" value="true" />
    <param name="allowscriptaccess" value="always" />
    <param name="movie" value="'.$movie.'" />
    <embed src="'.$movie.'"
        type="application/x-shockwave-flash"
        allowscriptaccess="always"
        allowfullscreen="true"
        width="'.$video_width.'"
        height="'.$video_height.'"></embed>
    </object>'; 

    // output
    echo $embed_html;
}
?>