--- linuxsampler/trunk/src/network/lscpserver.cpp	2005/05/23 17:37:26	570
+++ linuxsampler/trunk/src/network/lscpserver.cpp	2005/06/17 19:49:30	660
@@ -33,6 +33,7 @@
 #endif
 
 #include "../engines/EngineFactory.h"
+#include "../engines/EngineChannelFactory.h"
 #include "../drivers/audio/AudioOutputDeviceFactory.h"
 #include "../drivers/midi/MidiInputDeviceFactory.h"
 
@@ -190,6 +191,18 @@
 		}
 	}
 
+        // check if some engine channel's parameter / status changed, if so notify the respective LSCP event subscribers
+        {
+            std::set<EngineChannel*> engineChannels = EngineChannelFactory::EngineChannelInstances();
+            std::set<EngineChannel*>::iterator itEngineChannel = engineChannels.begin();
+            std::set<EngineChannel*>::iterator itEnd           = engineChannels.end();
+            for (; itEngineChannel != itEnd; ++itEngineChannel) {
+                if ((*itEngineChannel)->StatusChanged()) {
+                    SendLSCPNotify(LSCPEvent(LSCPEvent::event_channel_info, (*itEngineChannel)->iSamplerChannelIndex));
+                }
+            }
+        }
+
 	//Now let's deliver late notifies (if any)
 	NotifyBufferMutex.Lock();
 	for (std::map<int,String>::iterator iterNotify = bufferedNotifies.begin(); iterNotify != bufferedNotifies.end(); iterNotify++) {
@@ -578,7 +591,7 @@
         Engine* pEngine = EngineFactory::Create(EngineName);
         result.Add("DESCRIPTION", pEngine->Description());
         result.Add("VERSION",     pEngine->Version());
-        delete pEngine;
+        EngineFactory::Destroy(pEngine);
     }
     catch (LinuxSamplerException e) {
          result.Error(e);
@@ -660,6 +673,7 @@
         if (!pSamplerChannel) throw LinuxSamplerException("Invalid sampler channel number " + ToString(uiSamplerChannel));
         EngineChannel* pEngineChannel = pSamplerChannel->GetEngineChannel();
         if (!pEngineChannel) throw LinuxSamplerException("No engine loaded on sampler channel");
+        if (!pEngineChannel->GetEngine()) throw LinuxSamplerException("No audio output device connected to sampler channel");
 	result.Add(pEngineChannel->GetEngine()->VoiceCount());
     }
     catch (LinuxSamplerException e) {
@@ -680,6 +694,7 @@
         if (!pSamplerChannel) throw LinuxSamplerException("Invalid sampler channel number " + ToString(uiSamplerChannel));
         EngineChannel* pEngineChannel = pSamplerChannel->GetEngineChannel();
         if (!pEngineChannel) throw LinuxSamplerException("No engine type assigned to sampler channel");
+        if (!pEngineChannel->GetEngine()) throw LinuxSamplerException("No audio output device connected to sampler channel");
         result.Add(pEngineChannel->GetEngine()->DiskStreamCount());
     }
     catch (LinuxSamplerException e) {
@@ -700,6 +715,7 @@
         if (!pSamplerChannel) throw LinuxSamplerException("Invalid sampler channel number " + ToString(uiSamplerChannel));
         EngineChannel* pEngineChannel = pSamplerChannel->GetEngineChannel();
         if (!pEngineChannel) throw LinuxSamplerException("No engine type assigned to sampler channel");
+        if (!pEngineChannel->GetEngine()) throw LinuxSamplerException("No audio output device connected to sampler channel");
         if (!pEngineChannel->GetEngine()->DiskStreamSupported()) result.Add("NA");
         else {
             switch (ResponseType) {
@@ -1391,6 +1407,7 @@
         if (!pSamplerChannel) throw LinuxSamplerException("Invalid sampler channel number " + ToString(uiSamplerChannel));
         EngineChannel* pEngineChannel = pSamplerChannel->GetEngineChannel();
         if (!pEngineChannel) throw LinuxSamplerException("No engine type assigned to sampler channel");
+        if (!pEngineChannel->GetEngine()) throw LinuxSamplerException("No audio output device connected to sampler channel");
         pEngineChannel->GetEngine()->Reset();
     }
     catch (LinuxSamplerException e) {