新人小白请教一个视频地址采集的问题

[dingrui1986]

之前一个网站，用F12获取在线视频地址，能够正常下载。后来地址后面加了个字符串“?a=1”就没法下载了。试着搜索?a=1，得出了下面相关的：
/************** Globally Defined Video Play Script ***********************/

var WOWZA_URL = '199.91.64.51'+':1935';


function playVideoMP4(filename){
var deviceAgent = navigator.userAgent.toLowerCase();
var agentID = deviceAgent.match(/(iphone|ipod|ipad)/);
var filenameinUrl = '';
//filenameinUrl = "http://"+WOWZA_URL+"/VOD_WH/mp4:"+filename+"/playlist.m3u8";
//if (agentID) {


filenameinUrl = "http://www.wrestler4hire.com/albumvideo/" + filename+'?a=1';
//filenameinUrl = 'http://'+WOWZA_URL+'/VOD_WH/mp4:'+filename;


//http://'+WOWZA_URL+'/VOD_WH/mp4:'+filename+
//}


var playerInstance = jwplayer("player");
playerInstance.setup({
'id': 'player',
'width': '720',
'height': '480',
'provider': 'rtmp',
'streamer': 'rtmp://'+WOWZA_URL+'/VOD_WH',
'file': filename,
'plugins': { 'viral-2': {'oncomplete':'False','onpause':'False','functions':'All'} },
'autostart': 'true',
'autoplay': 'true',
'modes': [
{type: 'flash', src: 'http://jwplayer.mediaserve.com/player.swf'},
{
type: 'html5',
config: {
'file': 'http://'+WOWZA_URL+'/VOD_WH/mp4:'+filename+'/playlist.m3u8',
'provider': 'video'
}
}
],
playlist: [{
sources: [{
file: "rtmp://"+WOWZA_URL+"/VOD_WH/"+filename
},{
//file: "http://"+WOWZA_URL+"/VOD_WH/mp4:"+filename+"/playlist.m3u8"
file: filenameinUrl
},{
file: filenameinUrl
}]
}],
});
}

function playIEVideoMP4(filename){
var playerInstance = jwplayer("player");
playerInstance.setup({
'id': 'player',
'width': '720',
'height': '480',
'provider': 'rtmp',
'streamer': 'rtmp://'+WOWZA_URL+'/VOD_WH',
'file': filename,
'plugins': { 'viral-2': {'oncomplete':'False','onpause':'False','functions':'All'} },
'autostart': 'true',
'autoplay': 'true',
playlist: [{
//image: "/assets/myVideo.jpg",
sources: [{
file: "rtmp://"+WOWZA_URL+"/VOD_WH/"+filename
},{
//file: "http://"+WOWZA_URL+"/VOD_WH/mp4:"+filename+"/playlist.m3u8"
file: "http://www.wrestler4hire.com/albumvideo/" + filename
},{
file: "http://www.wrestler4hire.com/albumvideo/" + filename
}]
}],
});
}

/************** Globally Defined Video Play Script ***********************/
想请教下，是否能查出视频地址