Misc fixing

source/backend/engine/CarlaEngineJack.cpp

@@ -720,8 +720,11 @@ public:
         carla_zeroStruct<jack_position_t>(fTransportPos);
 
 #ifdef BUILD_BRIDGE
+        fIsRunning = true;
+
         if (! pData->init(clientName))
         {
+            close();
             setLastError("Failed to init internal data");
             return false;
         }
@@ -738,13 +741,12 @@ public:
             }
             else
             {
-                carla_stderr2("Failed to init temporary jack client");
+                close();
+                setLastError("Failed to init temporary jack client");
                 return false;
             }
         }
 
-        fIsRunning = true;
-
         return true;
 #else
         fClient = jackbridge_client_open(clientName, JackNullOption, nullptr);
@@ -831,11 +833,13 @@ public:
         carla_debug("CarlaEngineJack::close()");
 
 #ifdef BUILD_BRIDGE
-        CarlaEngine::close();
         fClient    = nullptr;
         fIsRunning = false;
+        CarlaEngine::close();
         return true;
 #else
+        CARLA_SAFE_ASSERT_RETURN_ERR(fClient != nullptr, "JACK Client is null");
+
         // deactivate first
         const bool deactivated(jackbridge_deactivate(fClient));
 

source/backend/engine/CarlaEngineJuce.cpp

@@ -240,7 +240,7 @@ public:
 
     bool isRunning() const noexcept override
     {
-        return fDevice != nullptr && fDevice->isPlaying();
+        return fDevice != nullptr && fDevice->isOpen();
     }
 
     bool isOffline() const noexcept override

source/backend/engine/CarlaEngineNative.cpp

@@ -646,6 +646,8 @@ protected:
     {
         carla_debug("CarlaEngineNative::init(\"%s\")", clientName);
 
+        fIsRunning = true;
+
         if (! pData->init(clientName))
         {
             close();
@@ -656,7 +658,13 @@ protected:
         pData->bufferSize = pHost->get_buffer_size(pHost->handle);
         pData->sampleRate = pHost->get_sample_rate(pHost->handle);
 
-        fIsRunning = true;
+        return true;
+    }
+
+    bool close() override
+    {
+        fIsRunning = false;
+        CarlaEngine::close();
         return true;
     }
 

source/backend/engine/CarlaEngineRtAudio.cpp

@@ -365,7 +365,7 @@ public:
 
     bool isRunning() const noexcept override
     {
-        return fAudio.isStreamRunning();
+        return fAudio.isStreamOpen();
     }
 
     bool isOffline() const noexcept override