From 8961ca1659f52b0f8d03dd49a804f254c821143f Mon Sep 17 00:00:00 2001
From: xiongziliang <771730766@qq.com>
Date: Sun, 30 Aug 2020 17:03:58 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E5=A4=8D=E5=8F=AF=E8=83=BD=E6=97=A0?=
 =?UTF-8?q?=E9=99=90=E9=80=92=E5=BD=92=E7=9A=84bug?=
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---
 server/FFmpegSource.cpp | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/server/FFmpegSource.cpp b/server/FFmpegSource.cpp
index d0bddeb3..53b481bc 100644
--- a/server/FFmpegSource.cpp
+++ b/server/FFmpegSource.cpp
@@ -270,8 +270,18 @@ void FFmpegSource::onRegist(MediaSource &sender, bool regist){
 }
 
 void FFmpegSource::onGetMediaSource(const MediaSource::Ptr &src) {
-    _listener = src->getListener();
-    src->setListener(shared_from_this());
+    auto listener = src->getListener();
+    if (listener.lock().get() != this) {
+        //防止多次进入onGetMediaSource函数导致无效递归调用的bug
+        src->setListener(shared_from_this());
+        _listener = listener;
+    } else {
+        WarnL << "多次触发onGetMediaSource事件:"
+              << src->getSchema() << "/"
+              << src->getVhost() << "/"
+              << src->getApp() << "/"
+              << src->getId();
+    }
 }
 
 void FFmpegSnap::makeSnap(const string &play_url, const string &save_path, float timeout_sec,  const function<void(bool)> &cb) {