优化国标录像服务端，使用zlm新接口实现功能

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

@@ -275,7 +275,7 @@ public class ZLMHttpHookListener {
         List<SsrcTransaction> ssrcTransactionForAll = sessionManager.getSsrcTransactionForAll(null, null, null, param.getStream());
         if (ssrcTransactionForAll != null && ssrcTransactionForAll.size() == 1) {
 
-            // 为录制国标模拟一个鉴权信息
+            // 为录制国标模拟一个鉴权信息, 方便后续写入录像文件时使用
             StreamAuthorityInfo streamAuthorityInfo = StreamAuthorityInfo.getInstanceByHook(param);
             streamAuthorityInfo.setApp(param.getApp());
             streamAuthorityInfo.setStream(ssrcTransactionForAll.get(0).getStream());
@@ -291,8 +291,18 @@ public class ZLMHttpHookListener {
             }
             // 如果是录像下载就设置视频间隔十秒
             if (ssrcTransactionForAll.get(0).getType() == InviteSessionType.DOWNLOAD) {
-                result.setMp4_max_second(30);
-                result.setEnable_mp4(true);
+                // 获取录像的总时长，然后设置为这个视频的时长
+                InviteInfo inviteInfo = inviteStreamService.getInviteInfo(InviteSessionType.DOWNLOAD, deviceId, channelId, param.getStream());
+                if (inviteInfo.getStreamInfo() != null ) {
+                    String startTime = inviteInfo.getStreamInfo().getStartTime();
+                    String endTime = inviteInfo.getStreamInfo().getEndTime();
+                    long difference = DateUtil.getDifference(startTime, endTime)/1000;
+                    result.setMp4_max_second((int)difference);
+                    result.setEnable_mp4(true);
+                    // 设置为2保证得到的mp4的时长是正常的
+                    result.setModify_stamp(2);
+                }
+
             }
         }
         if (param.getApp().equalsIgnoreCase("rtp")) {

src/main/java/com/genersoft/iot/vmp/media/zlm/dto/HookSubscribeFactory.java

@@ -41,4 +41,15 @@ public class HookSubscribeFactory {
 
         return hookSubscribe;
     }
+
+    public static HookSubscribeForRecordMp4 on_record_mp4(String mediaServerId, String app, String stream) {
+        HookSubscribeForRecordMp4 hookSubscribe = new HookSubscribeForRecordMp4();
+        JSONObject subscribeKey = new com.alibaba.fastjson2.JSONObject();
+        subscribeKey.put("app", app);
+        subscribeKey.put("stream", stream);
+        subscribeKey.put("mediaServerId", mediaServerId);
+        hookSubscribe.setContent(subscribeKey);
+
+        return hookSubscribe;
+    }
 }

src/main/java/com/genersoft/iot/vmp/media/zlm/dto/HookSubscribeForRecordMp4.java

@@ -0,0 +1,44 @@
+package com.genersoft.iot.vmp.media.zlm.dto;
+
+import com.alibaba.fastjson2.JSONObject;
+import com.alibaba.fastjson2.annotation.JSONField;
+
+import java.time.Instant;
+
+/**
+ * hook订阅-录像完成
+ * @author lin
+ */
+public class HookSubscribeForRecordMp4 implements IHookSubscribe{
+
+    private HookType hookType = HookType.on_record_mp4;
+
+    private JSONObject content;
+
+    @JSONField(format="yyyy-MM-dd HH:mm:ss")
+    private Instant expires;
+
+    @Override
+    public HookType getHookType() {
+        return hookType;
+    }
+
+    @Override
+    public JSONObject getContent() {
+        return content;
+    }
+
+    public void setContent(JSONObject content) {
+        this.content = content;
+    }
+
+    @Override
+    public Instant getExpires() {
+        return expires;
+    }
+
+    @Override
+    public void setExpires(Instant expires) {
+        this.expires = expires;
+    }
+}

src/main/java/com/genersoft/iot/vmp/media/zlm/dto/hook/HookResultForOnPublish.java

@@ -7,6 +7,7 @@ public class HookResultForOnPublish extends HookResult{
     private int mp4_max_second;
     private String mp4_save_path;
     private String stream_replace;
+    private Integer modify_stamp;
 
     public HookResultForOnPublish() {
     }
@@ -60,14 +61,23 @@ public class HookResultForOnPublish extends HookResult{
         this.stream_replace = stream_replace;
     }
 
+    public Integer getModify_stamp() {
+        return modify_stamp;
+    }
+
+    public void setModify_stamp(Integer modify_stamp) {
+        this.modify_stamp = modify_stamp;
+    }
+
     @Override
     public String toString() {
         return "HookResultForOnPublish{" +
                 "enable_audio=" + enable_audio +
                 ", enable_mp4=" + enable_mp4 +
                 ", mp4_max_second=" + mp4_max_second +
-                ", stream_replace=" + stream_replace +
                 ", mp4_save_path='" + mp4_save_path + '\'' +
+                ", stream_replace='" + stream_replace + '\'' +
+                ", modify_stamp='" + modify_stamp + '\'' +
                 '}';
     }
 }