YouTube ActionScript 2.0 API
25 Nov 2006I had small requirement of YouTube API in one of my personal ActionScript 2.0 project, I couldn't find any ActionScript 2.0 version of YouTube API. I wrote it couple of hours.
You can look at source code and example (app I made to test it, quick and dirty) and you can download it with example files.
You would notice, to construct FLV URL, I am doing client side parsing of YouTube html page to find out "t" param. This doesn't work in Internet Explorer 6.0 (IE 6) because of a bug where IE 6.0 doesn't uncompress gzipped page if requested through LoadVars?
In production mode, I would prefer server-side proxy to find out "t" param because it's optimized:
- Would work in IE 6.0 and other browsers.
- Doesn't require loading YouTube html page ( > 20 KB) and parsing.
Update: I am using following PHP code to get FLV from YouTube asset servers.
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| <?php | |
| // Youtube FLV Fetcher | |
| // Responds to both HTTP GET and POST requests | |
| // Author: Abdul Qabiz (abdul dot qabiz at gmail dot com) | |
| // | |
| // Description:Gets the path of FLV from YouTube URL | |
| // Is it a POST or a GET? | |
| if (isset($_GET['url'])) | |
| { | |
| $url = $_GET['url']; | |
| $v = $url; | |
| $v = preg_split ("/\?v=/", $v); | |
| //youtube video-id | |
| $v = $v[1]; | |
| //hardcoding URL here, couldn't figure how to make CURL follow 303 redirection | |
| //seems something wrong with libCurl or my knowledge... | |
| $url = "http://www.youtube.com/watch?v=" . $v; | |
| //Start the Curl session | |
| $session = curl_init(); | |
| curl_setopt ($session, CURLOPT_URL, $url); | |
| //you might want to turn it to false, in case you want | |
| //to content to client (flash etc). | |
| curl_setopt($session, CURLOPT_HEADER, true); | |
| //not working for me :( | |
| curl_setopt($session, CURLOPT_FOLLOWLOCATION, true); | |
| //curl_setopt($ch, CURLOPT_TIMEOUT, 10); | |
| curl_setopt($session, CURLOPT_RETURNTRANSFER, true); | |
| // Make the call | |
| $response = curl_exec($session); | |
| if (preg_match_all("/&t=[^&]*/", $response, $matches)) | |
| { | |
| $t = $matches[0][0]; | |
| $t = preg_split("/=/", $t); | |
| //youtube t param | |
| $t = $t[1]; | |
| //construct the flv-url | |
| $youtubeVideoPath = "http://www.youtube.com/get_video.php?video_id=" . $v . "&t=". $t . "&.flv"; | |
| //redirect to flv - you can replace this code with echo/print | |
| //to return the path to client (browser/flash) | |
| header ("Location: $youtubeVideoPath"); | |
| } else { | |
| echo "null"; | |
| } | |
| curl_close($session); | |
| } else { | |
| echo "No YouTube URL to process"; | |
| } | |
| ?> |
Technorati tags: youtube, flv, fetcher, download, php, curl, script