Add buffer size callback

git-svn-id: http://subversion.jackaudio.org/jack/jack2/trunk/jackmp@2584 0c269be4-1314-0410-8aa9-9f06e86f4224

common/JackCallbackNetIOAdapter.cpp

@@ -68,6 +68,13 @@ int JackCallbackNetIOAdapter::Process(jack_nframes_t frames, void* arg)
     return 0;
 }
 
+int JackCallbackNetIOAdapter::BufferSize(jack_nframes_t nframes, void *arg)
+{
+     JackCallbackNetIOAdapter* adapter = static_cast<JackCallbackNetIOAdapter*>(arg);
+     adapter->fIOAdapter->SetBufferSize(nframes);
+     return 0;
+}
+
 JackCallbackNetIOAdapter::JackCallbackNetIOAdapter(jack_client_t* jack_client, 
                                     JackIOAdapterInterface* audio_io, 
                                     int input, 
@@ -87,6 +94,9 @@ JackCallbackNetIOAdapter::JackCallbackNetIOAdapter(jack_client_t* jack_client,
      
     if (jack_set_process_callback(fJackClient, Process, this) < 0)
         goto fail;
+        
+    if (jack_set_buffer_size_callback(fJackClient, BufferSize, this) < 0)
+        goto fail;
     
     if (jack_activate(fJackClient) < 0)
         goto fail;

common/JackCallbackNetIOAdapter.h

@@ -35,6 +35,7 @@ namespace Jack
             jack_ringbuffer_t* fPlaybackRingBuffer;
       	
             static int Process(jack_nframes_t, void* arg);
+            static int BufferSize(jack_nframes_t nframes, void *arg);
             
 		public:
         
@@ -43,7 +44,7 @@ namespace Jack
                                 int input, 
                                 int output);
 			~JackCallbackNetIOAdapter();
-            
+               
 	};
 }
 

common/JackIOAdapter.h

@@ -56,11 +56,16 @@ namespace Jack
                 fCaptureRingBuffer = input;
                 fPlaybackRingBuffer = output;
             }
-            
+             
             bool IsRunning() {return fRunning;}
             
             virtual int Open() = 0;
             virtual int Close() = 0;
+            
+            virtual void SetBufferSize(int buffer_size)
+            {
+                fBufferSize = buffer_size;
+            }
         
 	};
 }

common/JackNetIOAdapter.h

@@ -49,7 +49,7 @@ namespace Jack
                                 int input, 
                                 int output);
 			virtual ~JackNetIOAdapter();
-            
+             
             int Open();
             int Close();
             

windows/JackPortAudioIOAdapter.cpp

@@ -143,4 +143,11 @@ int JackPortAudioIOAdapter::Close()
     return 0;
 }
 
+void JackPortAudioIOAdapter::SetBufferSize(int buffer_size)
+{
+    JackIOAdapterInterface::SetBufferSize(buffer_size);
+    Close();
+    Open();
+}
+
 } // namespace

windows/JackPortAudioIOAdapter.h

@@ -52,6 +52,8 @@ namespace Jack
             int Open();
             int Close();
             
+           void SetBufferSize(int buffer_size);
+            
    	};
 }