common/JackNetDriver.h

   1 /*
   2 Copyright (C) 2008-2011 Romain Moret at Grame
   3
   4 This program is free software; you can redistribute it and/or modify
   5 it under the terms of the GNU General Public License as published by
   6 the Free Software Foundation; either version 2 of the License, or
   7 (at your option) any later version.
   8
   9 This program is distributed in the hope that it will be useful,
  10 but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 GNU General Public License for more details.
  13
  14 You should have received a copy of the GNU General Public License
  15 along with this program; if not, write to the Free Software
  16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  17
  18 */
  19
  20 #ifndef __JackNetDriver__
  21 #define __JackNetDriver__
  22
  23 #include "JackTimedDriver.h"
  24 #include "JackNetInterface.h"
  25
  26 //#define JACK_MONITOR
  27
  28 namespace Jack
  29 {
  30     /**
  31     \Brief This class describes the Net Backend
  32     */
  33
  34     class JackNetDriver : public JackWaiterDriver, public JackNetSlaveInterface
  35     {
  36
  37         private:
  38
  39             //jack data
  40             jack_port_id_t* fMidiCapturePortList;
  41             jack_port_id_t* fMidiPlaybackPortList;
  42
  43             //transport
  44             int fLastTransportState;
  45             int fLastTimebaseMaster;
  46
  47             //monitoring
  48         #ifdef JACK_MONITOR
  49             JackGnuPlotMonitor<float>* fNetTimeMon;
  50             jack_time_t fRcvSyncUst;
  51         #endif
  52
  53             bool Initialize();
  54             void FreeAll();
  55
  56             int AllocPorts();
  57             int FreePorts();
  58
  59             //transport
  60             void EncodeTransportData();
  61             void DecodeTransportData();
  62
  63             JackMidiBuffer* GetMidiInputBuffer(int port_index);
  64             JackMidiBuffer* GetMidiOutputBuffer(int port_index);
  65
  66             void SaveConnections();
  67
  68         public:
  69
  70             JackNetDriver(const char* name, const char* alias, JackLockedEngine* engine, JackSynchro* table,
  71                         const char* ip, int port, int mtu, int midi_input_ports, int midi_output_ports,
  72                         char* net_name, uint transport_sync, int network_latency, int celt_encoding, int opus_encoding);
  73             virtual ~JackNetDriver();
  74
  75             int Close();
  76
  77             int Attach();
  78             int Detach();
  79
  80             int Read();
  81             int Write();
  82
  83             // BufferSize can't be changed
  84             bool IsFixedBufferSize()
  85             {
  86                 return true;
  87             }
  88
  89             int SetBufferSize(jack_nframes_t buffer_size)
  90             {
  91                 return -1;
  92             }
  93
  94             int SetSampleRate(jack_nframes_t sample_rate)
  95             {
  96                 return -1;
  97             }
  98
  99     };
 100 }
 101
 102 #endif