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/ZLMMediaListManager.java

@@ -1,20 +1,29 @@
package com.genersoft.iot.vmp.media.zlm;

import com.alibaba.fastjson.JSONObject;
import com.genersoft.iot.vmp.conf.UserSetup;
import com.genersoft.iot.vmp.gb28181.bean.GbStream;
import com.genersoft.iot.vmp.media.zlm.dto.MediaItem;
import com.genersoft.iot.vmp.media.zlm.dto.MediaServerItem;
import com.genersoft.iot.vmp.media.zlm.dto.StreamProxyItem;
import com.genersoft.iot.vmp.media.zlm.dto.StreamPushItem;
import com.genersoft.iot.vmp.service.IStreamProxyService;
import com.genersoft.iot.vmp.service.IStreamPushService;
import com.genersoft.iot.vmp.service.bean.ThirdPartyGB;
import com.genersoft.iot.vmp.storager.IRedisCatchStorage;
import com.genersoft.iot.vmp.storager.IVideoManagerStorager;
import com.genersoft.iot.vmp.storager.dao.GbStreamMapper;
import com.genersoft.iot.vmp.storager.dao.PlatformGbStreamMapper;
import com.genersoft.iot.vmp.storager.dao.StreamPushMapper;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import org.springframework.util.StringUtils;

import java.util.*;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

@Component
public class ZLMMediaListManager {
@@ -40,7 +49,16 @@
    private IStreamPushService streamPushService;

    @Autowired
    private IStreamProxyService streamProxyService;

    @Autowired
    private StreamPushMapper streamPushMapper;

    @Autowired
    private ZLMHttpHookSubscribe subscribe;

    @Autowired
    private UserSetup userSetup;


    public void updateMediaList(MediaServerItem mediaServerItem) {
@@ -87,6 +105,48 @@
        updateMedia(mediaServerItem, app, streamId);
    }

    public StreamPushItem addPush(MediaItem mediaItem) {
        // 查找此直播流是否存在redis预设gbId
        StreamPushItem transform = streamPushService.transform(mediaItem);
        // 从streamId取出查询关键值
        Pattern pattern = Pattern.compile(userSetup.getThirdPartyGBIdReg());
        Matcher matcher = pattern.matcher(mediaItem.getStream());// 指定要匹配的字符串
        String queryKey = null;
        if (matcher.find()) { //此处find（）每次被调用后，会偏移到下一个匹配
            queryKey = matcher.group();
        }
        if (queryKey != null) {
            ThirdPartyGB thirdPartyGB = redisCatchStorage.queryMemberNoGBId(queryKey);
            if (thirdPartyGB != null && !StringUtils.isEmpty(thirdPartyGB.getNationalStandardNo())) {
                transform.setGbId(thirdPartyGB.getNationalStandardNo());
                transform.setName(thirdPartyGB.getName());
            }
        }
        if (!StringUtils.isEmpty(transform.getGbId())) {
            // 如果这个国标ID已经给了其他推流且流已离线，则移除其他推流
            List<GbStream> gbStreams = gbStreamMapper.selectByGBId(transform.getGbId());
            if (gbStreams.size() > 0) {
                for (GbStream gbStream : gbStreams) {
                    // 出现使用相同国标Id的视频流时，使用新流替换旧流，
                    gbStreamMapper.del(gbStream.getApp(), gbStream.getStream());
                    if (!gbStream.isStatus()) {
                        streamPushMapper.del(gbStream.getApp(), gbStream.getStream());
                    }
                }
            }
            StreamProxyItem streamProxyItem = gbStreamMapper.selectOne(transform.getApp(), transform.getStream());
            if (streamProxyItem != null) {
                transform.setGbStreamId(streamProxyItem.getGbStreamId());
                gbStreamMapper.update(transform);
            }else {
                transform.setCreateStamp(System.currentTimeMillis());
                gbStreamMapper.add(transform);
            }
        }
        storager.updateMedia(transform);
        return transform;
    }


    public void updateMedia(MediaServerItem mediaServerItem, String app, String streamId) {
        //使用异步更新推流
@@ -113,16 +173,20 @@
    }


    public void removeMedia(String app, String streamId) {
    public int removeMedia(String app, String streamId) {
        // 查找是否关联了国标， 关联了不删除， 置为离线
        StreamProxyItem streamProxyItem = gbStreamMapper.selectOne(app, streamId);
        int result = 0;
        if (streamProxyItem == null) {
            storager.removeMedia(app, streamId);
            result = storager.removeMedia(app, streamId);
        }else {
            storager.mediaOutline(app, streamId);
            result =storager.mediaOutline(app, streamId);
        }
        return result;
    }



//    public void clearAllSessions() {
//        logger.info("清空所有国标相关的session");
//        JSONObject allSessionJSON = zlmresTfulUtils.getAllSession();