Us4R buffer unregistration will be performed only once.

us4useu · Dec 17, 2021 · f029a3d · f029a3d
1 parent 491d410
commit f029a3d
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/arrus/core/devices/us4r/Us4RImpl.cpp b/arrus/core/devices/us4r/Us4RImpl.cpp
@@ -155,7 +155,10 @@ void Us4RImpl::stopDevice() {
     if (this->buffer != nullptr) {
         this->buffer->shutdown();
         std::this_thread::sleep_for(std::chrono::milliseconds(1000));
-        getProbeImpl()->unregisterOutputBuffer(this->buffer.get(), this->us4rBuffer);
+        if(this->us4rBuffer) {
+            getProbeImpl()->unregisterOutputBuffer(this->buffer.get(), this->us4rBuffer);
+            this->us4rBuffer.reset();
+        }
     }
     this->state = State::STOPPED;
 }