获取所有频道信息：http://zsnc.nctv.net.cn/api/contents/list?category_id=469&page_size=20&page=1

源码

算法有点复杂。

<?php
error_reporting(0); 
$_id = $_GET['id']; // 1 2 3 4 
//http://zsnc.nctv.net.cn/api/contents/list?category_id=469&page_size=20&page=1  获取所有频道信息
//http://zsnc.nctv.net.cn/api/contents/info?id=126786  
$channel_id = array('jw22cAZ','LfqghkO','an6J0sz','22zqwYf'); // 126784  126785 126786 126787 
$_id = $channel_id [intval($_id)-1];
$md52 = md5($_id.'Tidenctvzsncapp');
$str3 = time();
$sb = '';
$sb = $sb.substr($md52,0,2);
$sb = $sb.substr($md52,4,4);
$sb = $sb.substr($md52,14,1);
$sb = $sb.substr($md52,13,1);
$sb = $sb.substr($md52,12,1);
$sb = $sb.substr($md52,25,4);
$sb = $sb.substr($md52,30,1);
$sb = $sb.substr($md52,29,1);
$sb = $sb.substr($md52,28,1);
$sb = $sb.substr($md52,27,1);
$sb = $sb.substr($md52,26,1);
$md53 = md5('tide'.$str3.$sb);
$replace = 't='.$str3.'&c='.$_id.'&a=nctvzsncapp'.'&v='.substr($md53,4,1).substr($md53,16,1).substr($md53,31,1).substr($md53,17,1).substr($md53,8,1);
$replace = base64_encode($replace);
$replace = str_replace('=','|',$replace);
preg_match_all('/[1-9]/',$replace,$trim);

$trim = array_unique($trim[0]); //滤重
 $str4 = $replace;
//////  我特别想把写这段代码的，拉出来鞭尸 //////
for($i=0;$i<count($trim);$i++)
{
    $intval = intval($trim[$i]);
    if($intval % 2 == 0)
    {
        
        $string2 = substr($replace,$intval-1,1);
        if(stripos('abcdefghigklmnopqrstuvwxyzABCDEFGHIGKLMNOPQRSTUVWXYZ',$string2)>=0)
        {
            $indexOf = (strpos('abcdefghigklmnopqrstuvwxyzABCDEFGHIGKLMNOPQRSTUVWXYZ',$string2) + ($intval * $intval)) % 52;
            

            $str4 = replaceSomeWhere($str4, substr('abcdefghigklmnopqrstuvwxyzABCDEFGHIGKLMNOPQRSTUVWXYZ',$indexOf,1),$intval);
        }
    
    }
    else
    {
        $string3 = substr($replace,$intval-1,1);
        if(stripos('abcdefghigklmnopqrstuvwxyzABCDEFGHIGKLMNOPQRSTUVWXYZ',$string3)>=0)
        {
            $indexOf2 = (strpos('abcdefghigklmnopqrstuvwxyzABCDEFGHIGKLMNOPQRSTUVWXYZ',$string3) + $intval ) % 52;
            $str4 = replaceSomeWhere($str4 , substr('abcdefghigklmnopqrstuvwxyzABCDEFGHIGKLMNOPQRSTUVWXYZ',$indexOf2,1),$intval);
        }
    
    }
}

$bstrURL = 'http://mediaapi.nctv.net.cn/apiv3.2.3/m3u8.php?token='.$str4;
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $bstrURL);          
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE); 
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, FALSE);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); 
curl_setopt($ch, CURLOPT_USERAGENT, "User-Agent: Dalvik/2.1.0 (Linux; U; Android 6.0; 1505-A01 Build/MRA58K)");
$data = curl_exec($ch);
curl_close($ch);
$data = substr($data,3,strlen($data)-2); // 妈的。这个地方恶心到我了。无敌！！！
$obj = json_decode($data);
if($obj->status == 1)
{
    header('location:'.$obj->address);
}
else
{
    header("Refresh:0");    // 因为有个特别恶心的点，可能会出现token过期，所以让它刷新再获取。
}

function replaceSomeWhere($str,$str2,$i) // What the fuck!
{
    $str3 = '';
    $str4 = '';
    if ($i !=1)
    {
        $str4 = substr($str,0,$i-1);
        $str3 = substr($str,$i);
    }
    else
    {
        $str4 = '';
        $str3 = substr($str,$i);
    }
    return $str4.$str2.$str3 ;
}

?>

测试地址:

http://stream.guihet.com/t/nctvzs.php?id=1

新闻综合频道，id=1
都市频道，id=2
资讯频道，id=3
公共频道，id=4

2021-04-19 原APP已经改版，源码仅供学习。