From 5d067a45ee7040be0cb28ef2e846d90b0faf59ef Mon Sep 17 00:00:00 2001
From: Volker Fischer <corrados@users.noreply.github.com>
Date: Sun, 28 Mar 2010 16:19:59 +0000
Subject: [PATCH] started implementing stop mechanism for vst

---
 src/vstmain.cpp | 14 +++++++++++++-
 src/vstmain.h   |  5 +++++
 2 files changed, 18 insertions(+), 1 deletion(-)

diff --git a/src/vstmain.cpp b/src/vstmain.cpp
index 18651215..0be71ff8 100755
--- a/src/vstmain.cpp
+++ b/src/vstmain.cpp
@@ -49,6 +49,11 @@ CLlconVST::CLlconVST ( audioMasterCallback AudioMaster ) :
     // set default program name
     GetName ( strProgName );
 
+    // we want a single shot timer to shut down the connection if no
+    // processing is done anymore (VST host has stopped the stream)
+    TimerOnOff.setSingleShot ( true );
+    TimerOnOff.setInterval ( VST_STOP_TIMER_INTERVAL );
+
     // connect timer event
     connect ( &TimerOnOff, SIGNAL ( timeout() ),
         this, SLOT ( OnTimerOnOff() ) );
@@ -64,13 +69,17 @@ bool CLlconVST::GetName ( char* cName )
 
 void CLlconVST::OnTimerOnOff()
 {
-    // TODO
+    // stop client since VST host seems to have stopped
+    Client.Stop();
 }
 
 void CLlconVST::processReplacing ( float**  pvIn,
                                    float**  pvOut,
                                    VstInt32 iNumSamples )
 {
+    // reset stop timer
+    TimerOnOff.start();
+
     // get pointers to actual buffers
     float* pfIn0  = pvIn[0];
     float* pfIn1  = pvIn[1];
@@ -91,6 +100,9 @@ void CLlconVST::processDoubleReplacing ( double** pvIn,
                                          double** pvOut,
                                          VstInt32 iNumSamples )
 {
+    // reset stop timer
+    TimerOnOff.start();
+
     // get pointers to actual buffers
     double* pdIn0  = pvIn[0];
     double* pdIn1  = pvIn[1];
diff --git a/src/vstmain.h b/src/vstmain.h
index c66ff86d..5a642d3a 100755
--- a/src/vstmain.h
+++ b/src/vstmain.h
@@ -33,6 +33,11 @@
 #include "client.h"
 
 
+/* Definitions ****************************************************************/
+// timeout after which the llcon client is stopped
+#define VST_STOP_TIMER_INTERVAL     1000
+
+
 /* Classes ********************************************************************/
 class CLlconVST : public QObject, public AudioEffectX
 {