php获取youku视频最终地址的方法

3. /**

4. * 取得youku视频的最终地址
5. * edit by bbs.it-home.org
6. * at: 2013-10-2
7. */
8. class YoukuFlv{
9. static private $error = "";
10. static private $result = array();
12. static public function getYoukuFlv($url){
13. //从url获取youkuid
14. if(! $id = self::getYoukuId($url)){
15. return false;
16. }
17. //获取youku视频详细信息
18. $content = self::get_curl_contents( "http://v.youku.com/player/getPlayList/VideoIDS/".$id );
19. $data = json_decode($content);
20. if(!isset($data->data[0]->streamfileids)){
21. self::$error = "Cannot find this video";
22. return false;
23. }
24. foreach($data->data[0]->streamfileids AS $k=>$v){
25. if($k == 'flv' || $k == 'mp4'){
26. //sid
27. $sid= self::getSid();
28. //fileid
29. $fileid = self::getfileid($v,$data->data[0]->seed);
30. $one=($data->data[0]->segs->$k);
31. self::$result[$k] = "http://f.youku.com/player/getFlvPath/sid/{$sid}_00/st/{$k}/fileid/{$fileid}?K={$one[0]->k}";
32. }
33. }
34. if(empty(self::$result)){
35. self::$error = "THIS VIOD IS NOT IN MP4 OR FLV FORMAT";
36. return false;
37. }else{
38. return true;
39. }
40. }
41. static public function error(){
42. return self::$error;
43. }
45. static public function result(){
46. return self::$result;
47. }
49. static private function getYoukuId($url){
50. //url 不能为空
51. if($url == "" || substr($url , 0 , 29) != "http://v.youku.com/v_show/id_"){
52. self::$error = "URL IS ERROR";
53. return false;
54. }
55. return substr($url , 29 , -5);
56. }
58. static private function get_curl_contents($url, $second = 5){
59. if(!function_exists('curl_init')) die('php.ini未开启php_curl.dll');
60. $c = curl_init();
61. curl_setopt($c,CURLOPT_URL,$url);
62. $UserAgent=$_SERVER['HTTP_USER_AGENT'];
63. curl_setopt($c,CURLOPT_USERAGENT,$UserAgent);
64. curl_setopt($c,CURLOPT_HEADER,0);
65. curl_setopt($c,CURLOPT_TIMEOUT,$second);
66. curl_setopt($c,CURLOPT_RETURNTRANSFER, true);
67. $cnt = curl_exec($c);
68. curl_close($c);
69. return $cnt;
70. }
71. static private function getSid() {
72. $sid = time().(rand(0,9000)+10000);
73. return $sid;
74. }
75. static private function getfileid($fileId,$seed) {
76. $mixed = self::getMixString($seed);
77. $ids = explode("*",$fileId);
78. unset($ids[count($ids)-1]);
79. $realId = "";
80. for ($i=0;$i < count($ids);++$i) {
81. $idx = $ids[$i];
82. $realId .= substr($mixed,$idx,1);
83. }
84. return $realId;
85. }
86. static private function getMixString($seed) {
87. $mixed = "";
88. $source = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ/\\:._-1234567890";
89. $len = strlen($source);
90. for($i=0;$i< $len;++$i){
91. $seed = ($seed * 211 + 30031) % 65536;
92. $index = ($seed / 65536 * strlen($source));
93. $c = substr($source,$index,1);
94. $mixed .= $c;
95. $source = str_replace($c, "",$source);
96. }
97. return $mixed;
98. }
99. }
100. if(YoukuFlv::getYoukuFlv("http://v.youku.com/v_show/id_XNjEyOTE4NTEy_ev_1.html")){
101. print_r( YoukuFlv::result() );
102. }else{
103. echo YoukuFlv::error();
104. }

105. ?>

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