Fix double stops

modules/ANSCV/ANSFLV.cpp

@@ -62,8 +62,11 @@ namespace ANSCENTER {
             }
             clientToClose = std::move(_playerClient);
         }
+        // reset() runs the destructor which calls close() exactly once.
+        // Do NOT call close() explicitly before reset() — second close would
+        // re-enter decoder Stop/flush on already-torn-down state.
         if (clientToClose) {
-            clientToClose->close();
+            clientToClose.reset();
         }
     }
     static void VerifyGlobalANSFLVLicense(const std::string& licenseKey) {
@@ -144,7 +147,8 @@ namespace ANSCENTER {
             std::lock_guard<std::recursive_mutex> lock(_mutex);
             _isPlaying = false;
         }
-        _playerClient->close();
+        // CHttpFlvPlayer::open() calls close() internally at the top —
+        // no need to close explicitly (would be a double-close).
         std::lock_guard<std::recursive_mutex> lock(_mutex);
         Setup();
         _isPlaying = _playerClient->play();

modules/ANSCV/ANSMJPEG.cpp

@@ -59,8 +59,11 @@ namespace ANSCENTER {
             }
             clientToClose = std::move(_playerClient);
         }
+        // reset() runs the destructor which calls close() exactly once.
+        // Do NOT call close() explicitly before reset() — second close would
+        // re-enter decoder Stop/flush on already-torn-down state.
         if (clientToClose) {
-            clientToClose->close();
+            clientToClose.reset();
         }
     }
     static void VerifyGlobalANSMJPEGLicense(const std::string& licenseKey) {
@@ -141,7 +144,8 @@ namespace ANSCENTER {
             std::lock_guard<std::recursive_mutex> lock(_mutex);
             _isPlaying = false;
         }
-        _playerClient->close();
+        // CHttpMjpegPlayer::open() calls close() internally at the top —
+        // no need to close explicitly (would be a double-close).
         std::lock_guard<std::recursive_mutex> lock(_mutex);
         Setup();
         _isPlaying = _playerClient->play();

modules/ANSCV/ANSRTMP.cpp

@@ -61,8 +61,11 @@ namespace ANSCENTER {
             }
             clientToClose = std::move(_playerClient);
         }
+        // reset() runs the destructor which calls close() exactly once.
+        // Do NOT call close() explicitly before reset() — second close would
+        // re-enter decoder Stop/flush on already-torn-down state.
         if (clientToClose) {
-            clientToClose->close();
+            clientToClose.reset();
         }
     }
     static void VerifyGlobalANSRTMPLicense(const std::string& licenseKey) {
@@ -138,7 +141,8 @@ namespace ANSCENTER {
             std::lock_guard<std::recursive_mutex> lock(_mutex);
             _isPlaying = false;
         }
-        _playerClient->close();
+        // CRtmpPlayer::open() calls close() internally at the top —
+        // no need to close explicitly (would be a double-close).
         std::lock_guard<std::recursive_mutex> lock(_mutex);
         Setup();
         _isPlaying = _playerClient->play();

modules/ANSCV/ANSRTSP.cpp

@@ -128,8 +128,11 @@ namespace ANSCENTER {
         // close() destroys the NVDEC decoder ONLY.  Pool slot buffers
         // (regular cudaMallocPitch allocations) are untouched — they
         // belong to the global GpuNV12SlotPool, not the decoder.
+        // reset() runs ~CRtspPlayer which calls close() exactly once —
+        // do NOT call close() explicitly here (the destructor would call
+        // it again, which re-enters torn-down decoder state).
         if (clientToClose) {
-            clientToClose->close();
+            clientToClose.reset();
 
             // Force CUDA runtime to release all cached memory from the destroyed
             // NVDEC decoder.  Without this, cuMemFree returns memory to the CUDA

modules/ANSCV/ANSSRT.cpp

@@ -61,8 +61,11 @@ namespace ANSCENTER {
             }
             clientToClose = std::move(_playerClient);
         }
+        // reset() runs the destructor which calls close() exactly once.
+        // Do NOT call close() explicitly before reset() — second close would
+        // re-enter decoder Stop/flush on already-torn-down state.
         if (clientToClose) {
-            clientToClose->close();
+            clientToClose.reset();
         }
     }
     static void VerifyGlobalANSSRTLicense(const std::string& licenseKey) {
@@ -136,7 +139,8 @@ namespace ANSCENTER {
             std::lock_guard<std::recursive_mutex> lock(_mutex);
             _isPlaying = false;
         }
-        _playerClient->close();
+        // CSrtPlayer::open() calls close() internally at the top —
+        // no need to close explicitly (would be a double-close).
         std::lock_guard<std::recursive_mutex> lock(_mutex);
         Setup();
         _isPlaying = _playerClient->play();