php获取youku视频最终地址的方法

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发布： 2016-07-25 08:56:20

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/**
* 取得youku视频的最终地址
* edit by bbs.it-home.org
* at: 2013-10-2
*/
class youkuflv{
static private $error = "";
static private $result = array();
static public function getyoukuflv($url){
//从url获取youkuid
if(! $id = self::getyoukuid($url)){
return false;
}
//获取youku视频详细信息
$content = self::get_curl_contents( "http://v.youku.com/player/getplaylist/videoids/".$id );
$data = json_decode($content);
if(!isset($data->data[0]->streamfileids)){
self::$error = "cannot find this video";
return false;
}
foreach($data->data[0]->streamfileids as $k=>$v){
if($k == 'flv' || $k == 'mp4'){
//sid
$sid= self::getsid();
//fileid
$fileid = self::getfileid($v,$data->data[0]->seed);
$one=($data->data[0]->segs->$k);
self::$result[$k] = "http://f.youku.com/player/getflvpath/sid/{$sid}_00/st/{$k}/fileid/{$fileid}?k={$one[0]->k}";
}
}
if(empty(self::$result)){
self::$error = "this viod is not in mp4 or flv format";
return false;
}else{
return true;
}
}
static public function error(){
return self::$error;
}
static public function result(){
return self::$result;
}
static private function getyoukuid($url){
//url 不能为空
if($url == "" || substr($url , 0 , 29) != "http://v.youku.com/v_show/id_"){
self::$error = "url is error";
return false;
}
return substr($url , 29 , -5);
}
static private function get_curl_contents($url, $second = 5){
if(!function_exists('curl_init')) die('php.ini未开启php_curl.dll');
$c = curl_init();
curl_setopt($c,curlopt_url,$url);
$useragent=$_server['http_user_agent'];
curl_setopt($c,curlopt_useragent,$useragent);
curl_setopt($c,curlopt_header,0);
curl_setopt($c,curlopt_timeout,$second);
curl_setopt($c,curlopt_returntransfer, true);
$cnt = curl_exec($c);
curl_close($c);
return $cnt;
}
static private function getsid() {
$sid = time().(rand(0,9000)+10000);
return $sid;
}
static private function getfileid($fileid,$seed) {
$mixed = self::getmixstring($seed);
$ids = explode("*",$fileid);
unset($ids[count($ids)-1]);
$realid = "";
for ($i=0;$i $idx = $ids[$i];
$realid .= substr($mixed,$idx,1);
}
return $realid;
}
static private function getmixstring($seed) {
$mixed = "";
$source = "abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz/\:._-1234567890";
$len = strlen($source);
for($i=0;$i $seed = ($seed * 211 + 30031) % 65536;
$index = ($seed / 65536 * strlen($source));
$c = substr($source,$index,1);
$mixed .= $c;
$source = str_replace($c, "",$source);
}
return $mixed;
}
}
if(youkuflv::getyoukuflv("http://v.youku.com/v_show/id_xnjeyote4ntey_ev_1.html")){
print_r( youkuflv::result() );
}else{
echo youkuflv::error();
}
?>

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另外一种调用方法： http://player.youku.com/player.php/sid/XMjI0MDIwNDc2/v.swf http://player.youku.com/player.php/sid/{$id}/v.swf