From a60e1102c41b5fa89c5e2cbbef81f668b0495240 Mon Sep 17 00:00:00 2001
From: Lawrence <1934378145@qq.com>
Date: 星期五, 06 十一月 2020 12:37:08 +0800
Subject: [PATCH] 完善前端控制信令,实现GB28181 A.3前端设备控制协议

---
 src/main/java/com/genersoft/iot/vmp/vmanager/play/PlayController.java |  121 +++++++++++++++++++++++++++++++++++-----
 1 files changed, 106 insertions(+), 15 deletions(-)

diff --git a/src/main/java/com/genersoft/iot/vmp/vmanager/play/PlayController.java b/src/main/java/com/genersoft/iot/vmp/vmanager/play/PlayController.java
index 9fe78c3..00f268c 100644
--- a/src/main/java/com/genersoft/iot/vmp/vmanager/play/PlayController.java
+++ b/src/main/java/com/genersoft/iot/vmp/vmanager/play/PlayController.java
@@ -1,47 +1,138 @@
 package com.genersoft.iot.vmp.vmanager.play;
 
+import com.alibaba.fastjson.JSON;
+import com.alibaba.fastjson.JSONArray;
+import com.genersoft.iot.vmp.common.StreamInfo;
+import com.genersoft.iot.vmp.media.zlm.ZLMRESTfulUtils;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.beans.factory.annotation.Value;
 import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.CrossOrigin;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.PostMapping;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 
+import com.alibaba.fastjson.JSONObject;
 import com.genersoft.iot.vmp.gb28181.bean.Device;
 import com.genersoft.iot.vmp.gb28181.transmit.cmd.impl.SIPCommander;
 import com.genersoft.iot.vmp.storager.IVideoManagerStorager;
 
+@CrossOrigin
 @RestController
 @RequestMapping("/api")
 public class PlayController {
-	
+
 	private final static Logger logger = LoggerFactory.getLogger(PlayController.class);
-	
+
 	@Autowired
 	private SIPCommander cmder;
-	
+
 	@Autowired
 	private IVideoManagerStorager storager;
-	
-	@GetMapping("/play/{deviceId}_{channelId}")
-	public ResponseEntity<String> play(@PathVariable String deviceId,@PathVariable String channelId){
-		
+
+	@Autowired
+	private ZLMRESTfulUtils zlmresTfulUtils;
+
+	@GetMapping("/play/{deviceId}/{channelId}")
+	public ResponseEntity<String> play(@PathVariable String deviceId, @PathVariable String channelId) {
+
 		Device device = storager.queryVideoDevice(deviceId);
-		String ssrc = cmder.playStreamCmd(device, channelId);
-		
-		if (logger.isDebugEnabled()) {
-			logger.debug(String.format("璁惧棰勮 API璋冪敤锛宒eviceId锛�%s 锛宑hannelId锛�%s",deviceId, channelId));
-			logger.debug("璁惧棰勮 API璋冪敤锛宻src锛�"+ssrc+",ZLMedia streamId:"+Integer.toHexString(Integer.parseInt(ssrc)));
+		StreamInfo streamInfo = storager.queryPlayByDevice(deviceId, channelId);
+
+		if (streamInfo == null) {
+			streamInfo = cmder.playStreamCmd(device, channelId);
+		} else {
+			String streamId = String.format("%08x", Integer.parseInt(streamInfo.getSsrc())).toUpperCase();
+			JSONObject rtpInfo = zlmresTfulUtils.getRtpInfo(streamId);
+			if (rtpInfo.getBoolean("exist")) {
+				return new ResponseEntity<String>(JSON.toJSONString(streamInfo), HttpStatus.OK);
+			} else {
+				storager.stopPlay(streamInfo);
+				streamInfo = cmder.playStreamCmd(device, channelId);
+			}
+
 		}
-		
-		if(ssrc!=null) {
-			return new ResponseEntity<String>(ssrc,HttpStatus.OK);
+		String streamId = String.format("%08x", Integer.parseInt(streamInfo.getSsrc())).toUpperCase();
+		// 绛夊緟鎺ㄦ祦, TODO 榛樿瓒呮椂30s
+		boolean lockFlag = true;
+		boolean rtpPushed = false;
+		long startTime = System.currentTimeMillis();
+		JSONObject rtpInfo = null;
+
+		while (lockFlag) {
+			try {
+				if (System.currentTimeMillis() - startTime > 60 * 1000) {
+					storager.stopPlay(streamInfo);
+					logger.info("鎾斁绛夊緟瓒呮椂");
+					return new ResponseEntity<String>("timeout", HttpStatus.OK);
+				} else {
+					streamInfo = storager.queryPlayByDevice(deviceId, channelId);
+					if (!rtpPushed) {
+						logger.info("鏌ヨRTP鎺ㄦ祦淇℃伅...");
+						rtpInfo = zlmresTfulUtils.getRtpInfo(streamId);
+					}
+					if (rtpInfo != null && rtpInfo.getBoolean("exist") && streamInfo != null && streamInfo.getFlv() != null) {
+						logger.info("鏌ヨ娴佺紪鐮佷俊鎭細" + streamInfo.getFlv());
+						rtpPushed = true;
+						Thread.sleep(2000);
+						JSONObject mediaInfo = zlmresTfulUtils.getMediaInfo("rtp", "rtmp", streamId);
+						if (mediaInfo.getInteger("code") == 0 && mediaInfo.getBoolean("online")) {
+							lockFlag = false;
+							logger.info("娴佺紪鐮佷俊鎭凡鑾峰彇");
+							JSONArray tracks = mediaInfo.getJSONArray("tracks");
+							streamInfo.setTracks(tracks);
+							storager.startPlay(streamInfo);
+						} else {
+							logger.info("娴佺紪鐮佷俊鎭湭鑾峰彇锛�2绉掑悗閲嶈瘯...");
+						}
+					} else {
+						Thread.sleep(2000);
+						continue;
+					}
+				}
+			} catch (InterruptedException e) {
+				e.printStackTrace();
+			}
+		}
+
+		if (logger.isDebugEnabled()) {
+			logger.debug(String.format("璁惧棰勮 API璋冪敤锛宒eviceId锛�%s 锛宑hannelId锛�%s", deviceId, channelId));
+			logger.debug("璁惧棰勮 API璋冪敤锛宻src锛�" + streamInfo.getSsrc() + ",ZLMedia streamId:"
+					+ Integer.toHexString(Integer.parseInt(streamInfo.getSsrc())));
+		}
+
+		if (streamInfo != null) {
+			return new ResponseEntity<String>(JSON.toJSONString(streamInfo), HttpStatus.OK);
 		} else {
 			logger.warn("璁惧棰勮API璋冪敤澶辫触锛�");
 			return new ResponseEntity<String>(HttpStatus.INTERNAL_SERVER_ERROR);
 		}
 	}
+
+	@PostMapping("/play/{ssrc}/stop")
+	public ResponseEntity<String> playStop(@PathVariable String ssrc) {
+
+		cmder.streamByeCmd(ssrc);
+		StreamInfo streamInfo = storager.queryPlayBySSRC(ssrc);
+		if (streamInfo == null)
+			return new ResponseEntity<String>(HttpStatus.PAYMENT_REQUIRED);
+		storager.stopPlay(streamInfo);
+		if (logger.isDebugEnabled()) {
+			logger.debug(String.format("璁惧棰勮鍋滄API璋冪敤锛宻src锛�%s", ssrc));
+		}
+
+		if (ssrc != null) {
+			JSONObject json = new JSONObject();
+			json.put("ssrc", ssrc);
+			return new ResponseEntity<String>(json.toString(), HttpStatus.OK);
+		} else {
+			logger.warn("璁惧棰勮鍋滄API璋冪敤澶辫触锛�");
+			return new ResponseEntity<String>(HttpStatus.INTERNAL_SERVER_ERROR);
+		}
+	}
 }

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