Marsyas  0.6.0-alpha
/usr/src/RPM/BUILD/marsyas-0.6.0/src/marsyas/realtime/osc_receiver.h
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00001 /*
00002 ** Copyright (C) 2014 George Tzanetakis <gtzan@cs.uvic.ca>
00003 **
00004 ** This program is free software; you can redistribute it and/or modify
00005 ** it under the terms of the GNU General Public License as published by
00006 ** the Free Software Foundation; either version 2 of the License, or
00007 ** (at your option) any later version.
00008 **
00009 ** This program is distributed in the hope that it will be useful,
00010 ** but WITHOUT ANY WARRANTY; without even the implied warranty of
00011 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00012 ** GNU General Public License for more details.
00013 **
00014 ** You should have received a copy of the GNU General Public License
00015 ** along with this program; if not, write to the Free Software
00016 ** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
00017 */
00018 
00019 #ifndef MARSYAS_REALTIME_OSC_DISPATCHER_HPP
00020 #define MARSYAS_REALTIME_OSC_DISPATCHER_HPP
00021 
00022 #include <marsyas/system/MarSystem.h>
00023 #include <marsyas/realtime/packet_queue.h>
00024 #include <marsyas/export.h>
00025 #include <marsyas/common_header.h>
00026 
00027 #include <memory>
00028 #include <vector>
00029 
00030 namespace Marsyas {
00031 namespace RealTime {
00032 
00033 struct OscProvider;
00034 
00044 class marsyas_EXPORT OscReceiver
00045 {
00046   MarSystem *m_system;
00047   std::vector<OscProvider*> m_providers;
00048 
00049 public:
00050   OscReceiver( MarSystem * system ):
00051     m_system(system)
00052   {}
00053 
00054   void addProvider( OscProvider * provider );
00055 
00056   void removeProvider( OscProvider * provider );
00057 
00058   void processPacket( const char * data, size_t size );
00059 
00060   // Process all providers:
00061   void run();
00062 };
00063 
00064 struct OscProviderDestination
00065 {
00066   void provide( const char *data, size_t size )
00067   {
00068     m_receiver->processPacket(data, size);
00069   }
00070 
00071 private:
00072   friend class OscReceiver;
00073   OscProviderDestination( OscReceiver * receiver ): m_receiver(receiver) {}
00074   OscReceiver *m_receiver;
00075 };
00076 
00077 struct OscProvider
00078 {
00079   virtual void provide( OscProviderDestination & ) = 0;
00080 };
00081 
00082 class marsyas_EXPORT OscQueueProvider : public OscProvider
00083 {
00084 public:
00085   OscQueueProvider(packet_queue *queue):
00086     m_queue(queue)
00087   {}
00088   virtual ~OscQueueProvider() {}
00089   virtual void provide( OscProviderDestination & destination );
00090 
00091 private:
00092   static const size_t m_buffer_size = 4096;
00093   MARSYAS_ALIGN(8) char m_buffer[m_buffer_size];
00094 
00095   packet_queue *m_queue;
00096 };
00097 
00098 }
00099 }
00100 
00101 #endif // MARSYAS_REALTIME_OSC_DISPATCHER_HPP