From cf3204de715cd81c8224f60c011afbf280d2c126 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=8D=97=E5=AE=AB=E8=8C=9C?= <auroracloud4096@gmail.com>
Date: Tue, 21 Jan 2025 16:57:44 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E5=A4=8D=E4=B8=80=E4=B8=AA=E5=8F=AF?=
 =?UTF-8?q?=E8=83=BD=E8=A7=A6=E5=8F=91=20NPE=20=E7=9A=84=E9=97=AE=E9=A2=98?=
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ZLMediaKit 回应中可能没有 tracks 字段，导致报 NPE，使得资源没有被正确释放
---
 src/main/java/com/genersoft/iot/vmp/media/bean/MediaInfo.java | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/main/java/com/genersoft/iot/vmp/media/bean/MediaInfo.java b/src/main/java/com/genersoft/iot/vmp/media/bean/MediaInfo.java
index c4a0615b..7f2f3612 100644
--- a/src/main/java/com/genersoft/iot/vmp/media/bean/MediaInfo.java
+++ b/src/main/java/com/genersoft/iot/vmp/media/bean/MediaInfo.java
@@ -10,6 +10,8 @@ import lombok.Data;
 import java.util.List;
 import java.util.Map;
 
+import org.springframework.util.ObjectUtils;
+
 /**
  * 视频信息
  */
@@ -106,7 +108,7 @@ public class MediaInfo {
             }
         }
         JSONArray jsonArray = jsonObject.getJSONArray("tracks");
-        if (!jsonArray.isEmpty()) {
+        if (!ObjectUtils.isEmpty(jsonArray)) {
             for (int i = 0; i < jsonArray.size(); i++) {
                 JSONObject trackJson = jsonArray.getJSONObject(i);
                 Integer channels = trackJson.getInteger("channels");