实现国标录像级联播放，优化点播流程，加快点播速度

648540858

2022-02-27 e94b99d11c46246532edc93cd25cbf8c0b88f03f

 src/main/java/com/genersoft/iot/vmp/media/zlm/ZLMHttpHookSubscribe.java

@@ -1,16 +1,14 @@
package com.genersoft.iot.vmp.media.zlm;

import com.alibaba.fastjson.JSONObject;
import com.genersoft.iot.vmp.media.zlm.dto.MediaServerItem;
import org.springframework.stereotype.Component;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.*;
import java.util.concurrent.ConcurrentHashMap;

/**
 * @Description:针对 ZLMediaServer的hook事件订阅
 * @description:针对 ZLMediaServer的hook事件订阅
 * @author: pan
 * @date:   2020年12月2日 21:17:32
 */
@@ -29,11 +27,12 @@
        on_stream_changed,
        on_stream_none_reader,
        on_stream_not_found,
        on_server_started
        on_server_started,
        on_server_keepalive
    }

    public interface Event{
        void response(JSONObject response);
        void response(MediaServerItem mediaServerItem, JSONObject response);
    }

    private Map<HookType, Map<JSONObject, ZLMHttpHookSubscribe.Event>> allSubscribes = new ConcurrentHashMap<>();
@@ -59,19 +58,53 @@
                if (result == null) {
                    result = key.getString(s).equals(hookResponse.getString(s));
                }else {
                    if (key.getString(s) == null) {
                        continue;
                    }
                    result = result && key.getString(s).equals(hookResponse.getString(s));
                }

            }
            if (result) {
            if (null != result && result) {
                event = eventMap.get(key);
            }
        }
        return event;
    }

    public void removeSubscribe(HookType type, JSONObject hookResponse) {
        Map<JSONObject, Event> eventMap = allSubscribes.get(type);
        if (eventMap == null) {
            return;
        }

        Set<Map.Entry<JSONObject, Event>> entries = eventMap.entrySet();
        if (entries.size() > 0) {
            for (Map.Entry<JSONObject, Event> entry : entries) {
                JSONObject key = entry.getKey();
                Boolean result = null;
                for (String s : key.keySet()) {
                    if (result == null) {
                        result = key.getString(s).equals(hookResponse.getString(s));
                    }else {
                        if (key.getString(s) == null) continue;
                        result = result && key.getString(s).equals(hookResponse.getString(s));
                    }
                }
                if (null != result && result){
                    entries.remove(entry);
                }
            }
        }
    }

    /**
     * 获取某个类型的所有的订阅
     * @param type
     * @return
     */
    public List<ZLMHttpHookSubscribe.Event> getSubscribes(HookType type) {
        ZLMHttpHookSubscribe.Event event= null;
        // ZLMHttpHookSubscribe.Event event= null;
        Map<JSONObject, Event> eventMap = allSubscribes.get(type);
        if (eventMap == null) {
            return null;