From 60b0f01528694f7268cded374fa6903427bf5edf Mon Sep 17 00:00:00 2001
From: Fulnergy <12412020@mail.sustech.edu.cn>
Date: Mon, 25 May 2026 21:14:31 +0800
Subject: [PATCH] fix test hang in win11 from issue #37400

---
 modules/videoio/src/cap_msmf.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/modules/videoio/src/cap_msmf.cpp b/modules/videoio/src/cap_msmf.cpp
index a79cb19716..212db5e18b 100644
--- a/modules/videoio/src/cap_msmf.cpp
+++ b/modules/videoio/src/cap_msmf.cpp
@@ -1633,7 +1633,9 @@ bool CvCapture_MSMF::configureAudioFrame()
             chunkLengthOfBytes = bufferAudioData.size();
             audioSamplePos += chunkLengthOfBytes/bytesPerSample;
         }
-        CV_Check((double)chunkLengthOfBytes, chunkLengthOfBytes >= INT_MIN || chunkLengthOfBytes <= INT_MAX, "MSMF: The chunkLengthOfBytes is out of the allowed range");
+        if ((LONGLONG)bufferAudioData.size() < chunkLengthOfBytes)
+            chunkLengthOfBytes = (LONGLONG)bufferAudioData.size();
+        CV_Check((double)chunkLengthOfBytes, chunkLengthOfBytes >= INT_MIN && chunkLengthOfBytes <= INT_MAX, "MSMF: The chunkLengthOfBytes is out of the allowed range");
         copy(bufferAudioData.begin(), bufferAudioData.begin() + (int)chunkLengthOfBytes, std::back_inserter(audioDataInUse));
         bufferAudioData.erase(bufferAudioData.begin(), bufferAudioData.begin() + (int)chunkLengthOfBytes);
         if (audioFrame.empty())