From 6d44233b19774063d82303d6fb725feea6601a56 Mon Sep 17 00:00:00 2001
From: ‘liusuyi’ <1951119284@qq.com>
Date: Wed, 14 Jun 2023 17:28:03 +0800
Subject: [PATCH] 优化海康sdk录像

---
 ard-work/src/main/java/com/ruoyi/device/hiksdk/service/impl/HikClientServiceImpl.java |   22 ++++++++++++----------
 1 files changed, 12 insertions(+), 10 deletions(-)

diff --git a/ard-work/src/main/java/com/ruoyi/device/hiksdk/service/impl/HikClientServiceImpl.java b/ard-work/src/main/java/com/ruoyi/device/hiksdk/service/impl/HikClientServiceImpl.java
index 1d5a6cd..8034b22 100644
--- a/ard-work/src/main/java/com/ruoyi/device/hiksdk/service/impl/HikClientServiceImpl.java
+++ b/ard-work/src/main/java/com/ruoyi/device/hiksdk/service/impl/HikClientServiceImpl.java
@@ -1335,16 +1335,19 @@
             previewinfo.byNPQMode = 0;//NPQ模式:0-直连模式,1-过流媒体模式
             previewinfo.write();
             if (enable) {
-                if (!GlobalVariable.previewMap.containsKey(cameraId)) {
-                    int lRealHandle = hCNetSDK.NET_DVR_RealPlay_V40(userId, previewinfo, null, null);
-                    if (lRealHandle == -1) {
-                        log.error("取流失败" + hCNetSDK.NET_DVR_GetLastError());
-                        return;
-                    }
-                    log.info("取流成功");
-                    GlobalVariable.previewMap.put(cameraId, lRealHandle);
+                if (GlobalVariable.previewMap.containsKey(cameraId)) {
+                    Integer lRealHandle = GlobalVariable.previewMap.get(cameraId);
+                    hCNetSDK.NET_DVR_StopRealPlay(lRealHandle);
+                    GlobalVariable.previewMap.remove(cameraId);
+                    log.info("录像停止");
                 }
-
+                int lRealHandle = hCNetSDK.NET_DVR_RealPlay_V40(userId, previewinfo, null, null);
+                if (lRealHandle == -1) {
+                    log.error("取流失败" + hCNetSDK.NET_DVR_GetLastError());
+                    return;
+                }
+                log.info("取流成功");
+                GlobalVariable.previewMap.put(cameraId, lRealHandle);
                 if (!hCNetSDK.NET_DVR_SaveRealData_V30(GlobalVariable.previewMap.get(cameraId), 2, path)) {
                     log.error("保存视频文件到临时文件夹失败 错误码为:  " + hCNetSDK.NET_DVR_GetLastError());
                     return;
@@ -1357,7 +1360,6 @@
                     GlobalVariable.previewMap.remove(cameraId);
                 }
                 log.info("录像停止");
-
                 //存入minio
                 String BucketName = cmd.getRecordBucketName();
                 String ObjectName = cmd.getRecordObjectName();

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