From 8482caf348c13236656871984ce04cba855f8c36 Mon Sep 17 00:00:00 2001
From: UnnamedOrange <lycheng1215@sina.com>
Date: Sat, 18 Jan 2025 16:55:34 +0800
Subject: [PATCH] Fix an is-empty condition in FFmpeg video capture

---
 modules/videoio/src/cap_ffmpeg_impl.hpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/modules/videoio/src/cap_ffmpeg_impl.hpp b/modules/videoio/src/cap_ffmpeg_impl.hpp
index d2359b066e..4ec2137a39 100644
--- a/modules/videoio/src/cap_ffmpeg_impl.hpp
+++ b/modules/videoio/src/cap_ffmpeg_impl.hpp
@@ -1137,7 +1137,7 @@ bool CvCapture_FFMPEG::open(const char* _filename, const Ptr<IStreamReader>& str
 #endif
 
     std::string options = utils::getConfigurationParameterString("OPENCV_FFMPEG_CAPTURE_OPTIONS");
-    if(!options.empty())
+    if (options.empty())
     {
 #if LIBAVFORMAT_VERSION_MICRO >= 100  && LIBAVFORMAT_BUILD >= CALC_FFMPEG_VERSION(55, 48, 100)
         av_dict_set(&dict, "rtsp_flags", "prefer_tcp", 0);