使用方法：

VideoUrlParser类源码：

class VideoUrlParser
{
    const USER_AGENT = \"Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US) AppleWebKit/534.10 (KHTML, like Gecko)
        Chrome/8.0.552.224 Safari/534.10\";
    const CHECK_URL_VALID = \"/(youku\\.com|tudou\\.com|ku6\\.com|56\\.com|letv\\.com|video\\.sina\\.com\\.cn|(my\\.)?tv\\.sohu\\.com|v\\.qq\\.com)/\";

    /**
     * parse
     *
     * @param string $url
     * @param mixed $createObject
     * @static
     * @access public
     * @return void
     */
    static public function parse($url=\'\', $createObject=true){
        $lowerurl = strtolower($url);
        preg_match(self::CHECK_URL_VALID, $lowerurl, $matches);
        if(!$matches) return false;

        switch($matches[1]){
        case \'youku.com\':
            $data = self::_parseYouku($url);
            break;
        case \'tudou.com\':
            $data = self::_parseTudou($url);
            break;
        case \'ku6.com\':
            $data = self::_parseKu6($url);
            break;
        case \'56.com\':
            $data = self::_parse56($url);
            break;
        case \'letv.com\':
            $data = self::_parseLetv($url);
            break;
        case \'video.sina.com.cn\':
            $data = self::_parseSina($url);
            break;
        case \'my.tv.sohu.com\':
        case \'tv.sohu.com\':
        case \'sohu.com\':
            $data = self::_parseSohu($url);
            break;
        case \'v.qq.com\':
            $data = self::_parseQq($url);
            break;
        default:
            $data = false;
        }

        if($data && $createObject) $data[\'object\'] = \"<embed src=\\\"{$data[\'swf\']}\\\" quality=\\\"high\\\" width=\\\"480\\\" height=\\\"400\\\" align=\\\"middle\\\" allowNetworking=\\\"all\\\" allowScriptAccess=\\\"always\\\" type=\\\"application/x-shockwave-flash\\\"></embed>\";
        return $data;
    }
    /**
     * 腾讯视频
     * http://v.qq.com/cover/o/o9tab7nuu0q3esh.html?vid=97abu74o4w3_0
     * http://v.qq.com/play/97abu74o4w3.html
     * http://v.qq.com/cover/d/dtdqyd8g7xvoj0o.html
     * http://v.qq.com/cover/d/dtdqyd8g7xvoj0o/9SfqULsrtSb.html
     * http://imgcache.qq.com/tencentvideo_v1/player/TencentPlayer.swf?_v=20110829&vid=97abu74o4w3&autoplay=1&list=2&showcfg=1&tpid=23&title=%E7%AC%AC%E4%B8%80%E7%8E%B0%E5%9C%BA&adplay=1&cid=o9tab7nuu0q3esh
     */
    private function _parseQq($url){
        if(preg_match(\"/\\/play\\//\", $url)){
            $html = self::_fget($url);
            preg_match(\"/url=[^\\\"]+/\", $html, $matches);
            if(!$matches); return false;
            $url = $matches[0];
        }
        preg_match(\"/vid=([^\\_]+)/\", $url, $matches);
        $vid = $matches[1];
        $html = self::_fget($url);
        // query
        preg_match(\"/flashvars\\s=\\s\\\"([^;]+)/s\", $html, $matches);
        $query = $matches[1];
        if(!$vid){
            preg_match(\"/vid\\s?=\\s?vid\\s?\\|\\|\\s?\\\"(\\w+)\\\";/i\", $html, $matches);
            $vid = $matches[1];
        }
        $query = str_replace(\'\"+vid+\"\', $vid, $query);
        parse_str($query, $output);
        $data[\'img\'] = \"http://vpic.video.qq.com/{$$output[\'cid\']}/{$vid}_1.jpg\";
        $data[\'url\'] = $url;
        $data[\'title\'] = $output[\'title\'];
        $data[\'swf\'] = \"http://imgcache.qq.com/tencentvideo_v1/player/TencentPlayer.swf?\".$query;
        return $data;
    }
   

    /**
     * 优酷网
     * http://v.youku.com/v_show/id_XMjI4MDM4NDc2.html
     * http://player.youku.com/player.php/sid/XMjU0NjI2Njg4/v.swf
     */
    private function _parseYouku($url){
        preg_match(\"#id\\_(\\w+)#\", $url, $matches);

        if (empty($matches)){
            preg_match(\"#v_playlist\\/#\", $url, $mat);
            if(!$mat) return false;

            $html = self::_fget($url);

            preg_match(\"#videoId2\\s*=\\s*\\\'(\\w+)\\\'#\", $html, $matches);
            if(!$matches) return false;
        }

        $link = \"http://v.youku.com/player/getPlayList/VideoIDS/{$matches[1]}/timezone/+08/version/5/source/out?password=&ran=2513&n=3\";

        $retval = self::_cget($link);
        if ($retval) {
            $json = json_decode($retval, true);

            $data[\'img\'] = $json[\'data\'][0][\'logo\'];
            $data[\'title\'] = $json[\'data\'][0][\'title\'];
            $data[\'url\'] = $url;
            $data[\'swf\'] = \"http://player.youku.com/player.php/sid/{$matches[1]}/v.swf\";

            return $data;
        } else {
            return false;
        }
    }

    /**
     * 土豆网
     * http://www.tudou.com/programs/view/Wtt3FjiDxEE/
     * http://www.tudou.com/v/Wtt3FjiDxEE/v.swf
     *
     * http://www.tudou.com/playlist/p/a65718.html?iid=74909603
     * http://www.tudou.com/l/G5BzgI4lAb8/&iid=74909603/v.swf
     */
    private function _parseTudou($url){
        preg_match(\"#view/([-\\w]+)/#\", $url, $matches);

        if (empty($matches)) {
            if (strpos($url, \"/playlist/\") == false) return false;

            if(strpos($url, \'iid=\') !== false){
                $quarr = explode(\"iid=\", $lowerurl);
                if (empty($quarr[1]))  return false;
            }elseif(preg_match(\"#p\\/l(\\d+).#\", $lowerurl, $quarr)){
                if (empty($quarr[1])) return false;
            }

            $html = self::_fget($url);
            $html = iconv(\"GB2312\", \"UTF-8\", $html);

            preg_match(\"/lid_code\\s=\\slcode\\s=\\s[\\\'\\\"]([^\\\'\\\"]+)/s\", $html, $matches);
            $icode = $matches[1];

            preg_match(\"/iid\\s=\\s.*?\\|\\|\\s(\\d+)/sx\", $html, $matches);
            $iid = $matches[1];

            preg_match(\"/listData\\s=\\s(\\[\\{.*\\}\\])/sx\", $html, $matches);

            $find = array(\"/\\n/\", \'/\\s/\', \"/:[^\\d\\\"]\\w+[^\\,]*,/i\", \"/(\\{|,)(\\w+):/\");
            $replace = array(\"\", \"\", \':\"\",\', \'\\\\1\"\\\\2\":\');
            $str = preg_replace($find, $replace, $matches[1]);
            //var_dump($str);
            $json = json_decode($str);
            //var_dump($json);exit;
            if(is_array($json) || is_object($json) && !empty($json)){
                foreach ($json as $val) {
                    if ($val->iid == $iid) {
                        break;
                    }
                }
            }

            $data[\'img\'] = $val->pic;
            $data[\'title\'] = $val->title;
            $data[\'url\'] = $url;
            $data[\'swf\'] = \"http://www.tudou.com/l/{$icode}/&iid={$iid}/v.swf\";

            return $data;
        }

        $host = \"www.tudou.com\";
        $path = \"/v/{$matches[1]}/v.swf\";

        $ret = self::_fsget($path, $host);

        if (preg_match(\"#\\nLocation: (.*)\\n#\", $ret, $mat)) {
            parse_str(parse_url(urldecode($mat[1]), PHP_URL_QUERY));

            $data[\'img\'] = $snap_pic;
            $data[\'title\'] = $title;
            $data[\'url\'] = $url;
            $data[\'swf\'] = \"http://www.tudou.com/v/{$matches[1]}/v.swf\";

            return $data;
        }
        return false;
    }

    /**
     * 酷6网
     * http://v.ku6.com/film/show_520/3X93vo4tIS7uotHg.html
     * http://v.ku6.com/special/show_4926690/Klze2mhMeSK6g05X.html
     * http://v.ku6.com/show/7US-kDXjyKyIInDevhpwHg...html
     * http://player.ku6.com/refer/3X93vo4tIS7uotHg/v.swf
     */
    private function _parseKu6($url){
        if(preg_match(\"/show\\_/\", $url)){
            preg_match(\"#/([-\\w]+)\\.html#\", $url, $matches);
            $url = \"http://v.ku6.com/fetchVideo4Player/{$matches[1]}.html\";
            $html = self::_fget($url);

            if ($html) {
                $json = json_decode($html, true);
                if(!$json) return false;

                $data[\'img\'] = $json[\'data\'][\'picpath\'];
                $data[\'title\'] = $json[\'data\'][\'t\'];
                $data[\'url\'] = $url;
                $data[\'swf\'] = \"http://player.ku6.com/refer/{$matches[1]}/v.swf\";

                return $data;
            } else {
                return false;
            }
        }elseif(preg_match(\"/show\\//\", $url, $matches)){
            $html = self::_fget($url);
            preg_match(\"/ObjectInfo\\s?=\\s?([^\\n]*)};/si\", $html, $matches);
            $str = $matches[1];
            // img
            preg_match(\"/cover\\s?:\\s?\\\"([^\\\"]+)\\\"/\", $str, $matches);
            $data[\'img\'] = $matches[1];
            // title
            preg_match(\"/title\\\"?\\s?:\\s?\\\"([^\\\"]+)\\\"/\", $str, $matches);
            $jsstr = \"{\\\"title\\\":\\\"{$matches[1]}\\\"}\";
            $json = json_decode($jsstr, true);
            $data[\'title\'] = $json[\'title\'];
            // url
            $data[\'url\'] = $url;
            // query
            preg_match(\"/\\\"(vid=[^\\\"]+)\\\"\\sname=\\\"flashVars\\\"/s\", $html, $matches);
            $query = str_replace(\"&\", \'&\', $matches[1]);
            preg_match(\"/\\/\\/player\\.ku6cdn\\.com[^\\\"\\\']+/\", $html, $matches);
            $data[\'swf\'] = \'http:\'.$matches[0].\'?\'.$query;

            return $data;
        }
    }

    /**
     * 56网
     * http://www.56.com/u73/v_NTkzMDcwNDY.html
     * http://player.56.com/v_NTkzMDcwNDY.swf
     */
    private function _parse56($url){
        preg_match(\"#/v_(\\w+)\\.html#\", $url, $matches);

        if (empty($matches)) return false;

        $link=\"http://vxml.56.com/json/{$matches[1]}/?src=out\";
        $retval = self::_cget($link);

        if ($retval) {
            $json = json_decode($retval, true);

            $data[\'img\'] = $json[\'info\'][\'img\'];
            $data[\'title\'] = $json[\'info\'][\'Subject\'];
            $data[\'url\'] = $url;
            $data[\'swf\'] = \"http://player.56.com/v_{$matches[1]}.swf\";

            return $data;
        } else {
            return false;
        }
    }

    /**
     * 乐视网
     * http://www.letv.com/ptv/vplay/1168109.html
     * http://www.letv.com/player/x1168109.swf
     */
    private function _parseLetv($url){
        $html = self::_fget($url);
        preg_match(\"#http://v.t.sina.com.cn/([^\'\\\"]*)#\", $html, $matches);
        parse_str(parse_url(urldecode($matches[0]), PHP_URL_QUERY));
        preg_match(\"#vplay/(\\d+)#\", $url, $matches);
        $data[\'img\'] = $pic;
        $data[\'title\'] = $title;
        $data[\'url\'] = $url;
        $data[\'swf\'] = \"http://www.letv.com/player/x{$matches[1]}.swf\";

        return $data;
    }

    // 搜狐TV http://my.tv.sohu.com/u/vw/5101536
    private function _parseSohu($url){
        $html = self::_fget($url);
        $html = iconv(\"GB2312\", \"UTF-8\", $html);
        preg_match_all(\"/og:(?:title|image|videosrc)\\\"\\scontent=\\\"([^\\\"]+)\\\"/s\", $html, $matches);
        $data[\'img\'] = $matches[1][1];
        $data[\'title\'] = $matches[1][0];
        $data[\'url\'] = $url;
        $data[\'swf\'] = $matches[1][2];
        return $data;
    }

    /*
     * 新浪播客
     * http://video.sina.com.cn/v/b/48717043-1290055681.html
     * http://you.video.sina.com.cn/api/sinawebApi/outplayrefer.php/vid=48717043_1290055681_PUzkSndrDzXK+l1lHz2stqkP7KQNt6nki2O0u1ehIwZYQ0/XM5GdatoG5ynSA9kEqDhAQJA4dPkm0x4/s.swf
     */
    private function _parseSina($url){
        preg_match(\"/(\\d+)(?:\\-|\\_)(\\d+)/\", $url, $matches);
        $url = \"http://video.sina.com.cn/v/b/{$matches[1]}-{$matches[2]}.html\";
        $html = self::_fget($url);
        preg_match(\"/video\\s?:\\s?([^<]+)}/\", $html, $matches);
        $find = array(\"/\\n/\", \"/\\s*/\", \"/\\\'/\", \"/\\{([^:,]+):/\", \"/,([^:]+):/\", \"/:[^\\d\\\"]\\w+[^\\,]*,/i\");
        $replace = array(\'\', \'\', \'\"\', \'{\"\\\\1\":\', \',\"\\\\1\":\', \':\"\",\');
        $str = preg_replace($find, $replace, $matches[1]);
        $arr = json_decode($str, true);

        $data[\'img\'] = $arr[\'pic\'];
        $data[\'title\'] = $arr[\'title\'];
        $data[\'url\'] = $url;
        $data[\'swf\'] = $arr[\'swfOutsideUrl\'];

        return $data;
    }

    /*
     * 通过 file_get_contents 获取内容
     */
    private function _fget($url=\'\'){
        if(!$url) return false;
        $html = file_get_contents($url);
        // 判断是否gzip压缩
        if($dehtml = self::_gzdecode($html))
            return $dehtml;
        else
            return $html;
    }

    /*
     * 通过 fsockopen 获取内容
     */
    private function _fsget($path=\'/\', $host=\'\', $user_agent=\'\'){
        if(!$path || !$host) return false;
        $user_agent = $user_agent ? $user_agent : self::USER_AGENT;

        $out = <<<HEADER
GET $path HTTP/1.1
Host: $host
User-Agent: $user_agent
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Language: zh-cn,zh;q=0.5
Accept-Charset: GB2312,utf-8;q=0.7,*;q=0.7\\r\\n\\r\\n
HEADER;
        $fp = @fsockopen($host, 80, $errno, $errstr, 10);
        if (!$fp)  return false;
        if(!fputs($fp, $out)) return false;
        while ( !feof($fp) ) {
            $html .= fgets($fp, 1024);
        }
        fclose($fp);
        // 判断是否gzip压缩
        if($dehtml = self::_gzdecode($html))
            return $dehtml;
        else
            return $html;
    }

    /*
     * 通过 curl 获取内容
     */
    private function _cget($url=\'\', $user_agent=\'\'){
        if(!$url) return;

        $user_agent = $user_agent ? $user_agent : self::USER_AGENT;

        $ch = curl_init();
        curl_setopt($ch, CURLOPT_URL, $url);
        curl_setopt($ch, CURLOPT_HEADER, 0);
        if(strlen($user_agent)) curl_setopt($ch, CURLOPT_USERAGENT, $user_agent);

        ob_start();
        curl_exec($ch);
        $html = ob_get_contents();       
        ob_end_clean();

        if(curl_errno($ch)){
            curl_close($ch);
            return false;
        }
        curl_close($ch);
        if(!is_string($html) || !strlen($html)){
            return false;
        }
        return $html;
        // 判断是否gzip压缩
        if($dehtml = self::_gzdecode($html))
            return $dehtml;
        else
            return $html;
    }

    private function _gzdecode($data) {
        $len = strlen ( $data );
        if ($len < 18 || strcmp ( substr ( $data, 0, 2 ), \"\\x1f\\x8b\" )) {
            return null; // Not GZIP format (See RFC 1952)
        }
        $method = ord ( substr ( $data, 2, 1 ) ); // Compression method
        $flags = ord ( substr ( $data, 3, 1 ) ); // Flags
        if ($flags & 31 != $flags) {
            // Reserved bits are set -- NOT ALLOWED by RFC 1952
            return null;
        }
        // NOTE: $mtime may be negative (PHP integer limitations)
        $mtime = unpack ( \"V\", substr ( $data, 4, 4 ) );
        $mtime = $mtime [1];
        $xfl = substr ( $data, 8, 1 );
        $os = substr ( $data, 8, 1 );
        $headerlen = 10;
        $extralen = 0;
        $extra = \"\";
        if ($flags & 4) {
            // 2-byte length prefixed EXTRA data in header
            if ($len - $headerlen - 2 < 8) {
                return false; // Invalid format
            }
            $extralen = unpack ( \"v\", substr ( $data, 8, 2 ) );
            $extralen = $extralen [1];
            if ($len - $headerlen - 2 - $extralen < 8) {
                return false; // Invalid format
            }
            $extra = substr ( $data, 10, $extralen );
            $headerlen += 2 + $extralen;
        }

        $filenamelen = 0;
        $filename = \"\";
        if ($flags & 8) {
            // C-style string file NAME data in header
            if ($len - $headerlen - 1 < 8) {
                return false; // Invalid format
            }
            $filenamelen = strpos ( substr ( $data, 8 + $extralen ), chr ( 0 ) );
            if ($filenamelen === false || $len - $headerlen - $filenamelen - 1 < 8) {
                return false; // Invalid format
            }
            $filename = substr ( $data, $headerlen, $filenamelen );
            $headerlen += $filenamelen + 1;
        }

        $commentlen = 0;
        $comment = \"\";
        if ($flags & 16) {
            // C-style string COMMENT data in header
            if ($len - $headerlen - 1 < 8) {
                return false; // Invalid format
            }
            $commentlen = strpos ( substr ( $data, 8 + $extralen + $filenamelen ), chr ( 0 ) );
            if ($commentlen === false || $len - $headerlen - $commentlen - 1 < 8) {
                return false; // Invalid header format
            }
            $comment = substr ( $data, $headerlen, $commentlen );
            $headerlen += $commentlen + 1;
        }

        $headercrc = \"\";
        if ($flags & 1) {
            // 2-bytes (lowest order) of CRC32 on header present
            if ($len - $headerlen - 2 < 8) {
                return false; // Invalid format
            }
            $calccrc = crc32 ( substr ( $data, 0, $headerlen ) ) & 0xffff;
            $headercrc = unpack ( \"v\", substr ( $data, $headerlen, 2 ) );
            $headercrc = $headercrc [1];
            if ($headercrc != $calccrc) {
                return false; // Bad header CRC
            }
            $headerlen += 2;
        }

        // GZIP FOOTER - These be negative due to PHP\'s limitations
        $datacrc = unpack ( \"V\", substr ( $data, - 8, 4 ) );
        $datacrc = $datacrc [1];
        $isize = unpack ( \"V\", substr ( $data, - 4 ) );
        $isize = $isize [1];

        // Perform the decompression:
        $bodylen = $len - $headerlen - 8;
        if ($bodylen < 1) {
            // This should never happen - IMPLEMENTATION BUG!
            return null;
        }
        $body = substr ( $data, $headerlen, $bodylen );
        $data = \"\";
        if ($bodylen > 0) {
            switch ($method) {
                case 8 :
                    // Currently the only supported compression method:
                    $data = gzinflate ( $body );
                    break;
                default :
                    // Unknown compression method
                    return false;
            }
        } else {
            //...
        }

        if ($isize != strlen ( $data ) || crc32 ( $data ) != $datacrc) {
            // Bad format!  Length or CRC doesn\'t match!
            return false;
        }
        return $data;
    }
}