songww
4 years ago
16 changed files with 406 additions and 73 deletions
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package com.genersoft.iot.vmp.gb28181.utils; |
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import java.util.ArrayList; |
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import java.util.List; |
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import java.util.Random; |
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import com.genersoft.iot.vmp.conf.SipConfig; |
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import com.genersoft.iot.vmp.utils.SpringBeanFactory; |
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/** |
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* @Description:SIP信令中的SSRC工具类。SSRC值由10位十进制整数组成的字符串，第一位为0代表实况，为1则代表回放；第二位至第六位由监控域ID的第4位到第8位组成；最后4位为不重复的4个整数 |
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* @author: songww |
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* @date: 2020年5月10日 上午11:57:57 |
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*/ |
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public class SsrcUtil { |
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private static String ssrcPrefix; |
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private static List<String> isUsed; |
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private static List<String> notUsed; |
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private static void init() { |
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SipConfig sipConfig = (SipConfig) SpringBeanFactory.getBean("sipConfig"); |
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ssrcPrefix = sipConfig.getSipDomain().substring(4, 9); |
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isUsed = new ArrayList<String>(); |
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notUsed = new ArrayList<String>(); |
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for (int i = 1; i < 10000; i++) { |
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if (i < 10) { |
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notUsed.add("000" + i); |
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} else if (i < 100) { |
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notUsed.add("00" + i); |
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} else if (i < 1000) { |
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notUsed.add("0" + i); |
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} else { |
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notUsed.add(String.valueOf(i)); |
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} |
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} |
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} |
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/** |
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* 获取视频预览的SSRC值,第一位固定为0 |
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* |
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*/ |
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public static String getPlaySsrc() { |
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return "0" + getSsrcPrefix() + getSN(); |
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} |
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/** |
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* 获取录像回放的SSRC值,第一位固定为1 |
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* |
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*/ |
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public static String getPlayBackSsrc() { |
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return "1" + getSsrcPrefix() + getSN(); |
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} |
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/** |
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* 释放ssrc，主要用完的ssrc一定要释放，否则会耗尽 |
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* |
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*/ |
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public static void releaseSsrc(String ssrc) { |
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String sn = ssrc.substring(6); |
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isUsed.remove(sn); |
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notUsed.add(sn); |
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} |
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/** |
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* 获取后四位数SN,随机数 |
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* |
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*/ |
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private static String getSN() { |
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String sn = null; |
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if (notUsed.size() == 0) { |
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throw new RuntimeException("ssrc已经用完"); |
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} else if (notUsed.size() == 1) { |
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sn = notUsed.get(0); |
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} else { |
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sn = notUsed.get(new Random().nextInt(notUsed.size() - 1)); |
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} |
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notUsed.remove(0); |
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isUsed.add(sn); |
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return sn; |
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} |
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private static String getSsrcPrefix() { |
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if (ssrcPrefix == null) { |
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init(); |
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} |
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return ssrcPrefix; |
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} |
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} |
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@ -0,0 +1,47 @@ |
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package com.genersoft.iot.vmp.utils; |
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import org.springframework.beans.BeansException; |
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import org.springframework.context.ApplicationContext; |
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import org.springframework.context.ApplicationContextAware; |
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import org.springframework.stereotype.Component; |
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/** |
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* @Description:spring bean获取工厂，获取spring中的已初始化的bean |
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* @author: songww |
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* @date: 2019年6月25日 下午4:51:52 |
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* |
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*/ |
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@Component |
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public class SpringBeanFactory implements ApplicationContextAware { |
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// Spring应用上下文环境
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private static ApplicationContext applicationContext; |
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/** |
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* 实现ApplicationContextAware接口的回调方法，设置上下文环境 |
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*/ |
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@Override |
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public void setApplicationContext(ApplicationContext applicationContext) |
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throws BeansException { |
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SpringBeanFactory.applicationContext = applicationContext; |
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} |
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public static ApplicationContext getApplicationContext() { |
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return applicationContext; |
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} |
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/** |
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* 获取对象 这里重写了bean方法，起主要作用 |
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*/ |
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public static Object getBean(String beanId) throws BeansException { |
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return applicationContext.getBean(beanId); |
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} |
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/** |
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* 获取当前环境 |
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*/ |
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public static String getActiveProfile() { |
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return applicationContext.getEnvironment().getActiveProfiles()[0]; |
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} |
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} |
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@ -0,0 +1,47 @@ |
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package com.genersoft.iot.vmp.vmanager.playback; |
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import org.slf4j.Logger; |
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import org.slf4j.LoggerFactory; |
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import org.springframework.beans.factory.annotation.Autowired; |
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import org.springframework.http.HttpStatus; |
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import org.springframework.http.ResponseEntity; |
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import org.springframework.web.bind.annotation.GetMapping; |
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import org.springframework.web.bind.annotation.PathVariable; |
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import org.springframework.web.bind.annotation.RequestMapping; |
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import org.springframework.web.bind.annotation.RestController; |
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import com.genersoft.iot.vmp.gb28181.bean.Device; |
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import com.genersoft.iot.vmp.gb28181.transmit.cmd.impl.SIPCommander; |
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import com.genersoft.iot.vmp.storager.IVideoManagerStorager; |
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@RestController |
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@RequestMapping("/api") |
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public class PlaybackController { |
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private final static Logger logger = LoggerFactory.getLogger(PlaybackController.class); |
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@Autowired |
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private SIPCommander cmder; |
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@Autowired |
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private IVideoManagerStorager storager; |
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@GetMapping("/playback/{deviceId}/{channelId}") |
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public ResponseEntity<String> play(@PathVariable String deviceId,@PathVariable String channelId, String startTime, String endTime){ |
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Device device = storager.queryVideoDevice(deviceId); |
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String ssrc = cmder.playStreamCmd(device, channelId); |
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if (logger.isDebugEnabled()) { |
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logger.debug(String.format("设备预览 API调用，deviceId：%s ，channelId：%s",deviceId, channelId)); |
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logger.debug("设备预览 API调用，ssrc："+ssrc+",ZLMedia streamId:"+Integer.toHexString(Integer.parseInt(ssrc))); |
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} |
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if(ssrc!=null) { |
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return new ResponseEntity<String>(ssrc,HttpStatus.OK); |
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} else { |
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logger.warn("设备预览API调用失败！"); |
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return new ResponseEntity<String>(HttpStatus.INTERNAL_SERVER_ERROR); |
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} |
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} |
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} |
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