视频直播生成推流地址和播放地址的程序示例（Java）

import java.math.BigInteger;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import org.apache.commons.lang3.*;
public class Create_Live_Url {
 
 /**
  * 计算md5
  * @param param
  * @return
  */
 public static String md5(String param) {
  if(param == null || param.length() == 0) {
   return null;
  }
  try {
   MessageDigest md5 = MessageDigest.getInstance("MD5");
   md5.update(param.getBytes());
   byte[] byteArray = md5.digest();
   
   BigInteger bigInt = new BigInteger(1, byteArray);
                 // 参数16表示16进制
   String result = bigInt.toString(16);
                 // 不足32位高位补零
   while(result.length() < 32) {
    result = "0" + result;
   }
   return result;
  } catch (NoSuchAlgorithmException e) {
   e.printStackTrace();
  }
  return null;
 }
/**
     * 生成推流地址
     * @param pushDomain 推流域名
     * @param pushKey 推流域名配置的鉴权Key
     * @param appName 推流AppName
     * @param streamName 推流StreamName
     * @param expireTime 过期时间（单位是秒）
     */
 public static void generate_push_url(String pushDomain,String pushKey,String appName,String streamName,long expireTime) {
  String pushUrl = "";
  //推流域名未开启鉴权功能的情况下
  if(pushKey=="") {
   pushUrl = "rtmp://"+pushDomain+"/"+appName+"/"+streamName;
  }else {
   long timeStamp = System.currentTimeMillis()/1000L + expireTime;
   String stringToMd5 = "/"+appName+"/"+streamName+"-"+Long.toString(timeStamp)+"-0-0-"+pushKey;
   String authKey = md5(stringToMd5);
   pushUrl = "rtmp://"+pushDomain+"/"+appName+"/"+streamName+"?auth_key="+Long.toString(timeStamp)+"-0-0-"+authKey;
  }
  System.out.println("推流地址是： "+pushUrl);
 }
/**
  * 生成播放地址
  * @param pullDomain 播放域名
  * @param pullKey 播放鉴权Key
  * @param appName 播放appName（同推流appName)
  * @param streamName 播放streamName (同推流streamName）
  * @param expireTime 过期时间（单位是秒
  */
 public static void general_pull_url(String pullDomain,String pullKey,String appName,String streamName,long expireTime) {
  String rtmpUrl = ""; //rtmp的拉流地址
  String hlsUrl = "";  //m3u8的拉流地址
  String flvUrl = "";  //flv的拉流地址
  //播放域名未配置鉴权Key的情况下
  if(pullKey == "") {
   rtmpUrl = "rtmp://"+pullDomain+"/"+appName+"/"+streamName;
   hlsUrl = "http://"+pullDomain+"/"+appName+"/"+streamName+".m3u8";
   flvUrl = "http://"+pullDomain+"/"+appName+"/"+streamName+".flv";
  }else {
   long timeStamp = System.currentTimeMillis()/1000L + expireTime;
   String rtmpToMd5 = "/"+appName+"/"+streamName+"-"+Long.toString(timeStamp)+"-0-0-"+pullKey;
   String rtmpAuthKey = md5(rtmpToMd5);
   rtmpUrl = "rtmp://"+pullDomain+"/"+appName+"/"+streamName+"?auth_key="+Long.toString(timeStamp)+"-0-0-"+rtmpAuthKey;
   
   String hlsToMd5 = "/"+appName+"/"+streamName+".m3u8-"+Long.toString(timeStamp)+"-0-0-"+pullKey;
   String hlsAuthKey = md5(hlsToMd5);
   hlsUrl = "http://"+pullDomain+"/"+appName+"/"+streamName+".m3u8"+"?auth_key="+Long.toString(timeStamp)+"-0-0-"+hlsAuthKey;
   
   String flvToMd5 = "/"+appName+"/"+streamName+".flv-"+Long.toString(timeStamp)+"-0-0-"+pullKey;
   String flvAuthKey = md5(flvToMd5);
   flvUrl = "http://"+pullDomain+"/"+appName+"/"+streamName+".flv"+"?auth_key="+Long.toString(timeStamp)+"-0-0-"+flvAuthKey;
  }
  System.out.println("RTMP播放地址为： "+rtmpUrl);
  System.out.println("m3u8播放地址为： "+hlsUrl);
  System.out.println("flv播放地址为： "+flvUrl);
 }
public static void main(String[] args) {
  // TODO Auto-generated method stub
  //生成长度为5的随机字符串作为appName和streamName(字母和数字组合)
  String appName = RandomStringUtils.randomAlphanumeric(5);;
  String streamName = RandomStringUtils.randomAlphanumeric(5);;
  
  long expireTime = 3600L;
  String pullDomain = "mxl-pull.pier39.cn";
  String pullKey = "querty1234";
    
     String pushDomain = "mxl-push.pier39.cn";
  String pushKey = "querty123";
  Create_Live_Url.general_pull_url(pullDomain, pullKey, appName, streamName, expireTime);
  Create_Live_Url.generate_push_url(pushDomain, pushKey, appName, streamName, expireTime);
 }

}