Jack2  1.9.10
JackMidiDriver.h
1 /*
2 Copyright (C) 2009 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 __JackMidiDriver__
21 #define __JackMidiDriver__
22 
23 #include "JackDriver.h"
24 #include "JackMidiPort.h"
25 #include "JackLockedEngine.h"
26 #include "ringbuffer.h"
27 
28 namespace Jack
29 {
30 
39 class SERVER_EXPORT JackMidiDriver : public JackDriver
40 {
41 
42  protected:
43 
44  JackMidiBuffer* GetInputBuffer(int port_index);
45  JackMidiBuffer* GetOutputBuffer(int port_index);
46 
47  virtual int ProcessReadSync();
48  virtual int ProcessWriteSync();
49 
50  virtual int ProcessReadAsync();
51  virtual int ProcessWriteAsync();
52 
53  virtual void UpdateLatencies();
54 
55  public:
56 
57  JackMidiDriver(const char* name, const char* alias, JackLockedEngine* engine, JackSynchro* table);
58  virtual ~JackMidiDriver();
59 
60  virtual int Open(bool capturing,
61  bool playing,
62  int inchannels,
63  int outchannels,
64  bool monitor,
65  const char* capture_driver_name,
66  const char* playback_driver_name,
67  jack_nframes_t capture_latency,
68  jack_nframes_t playback_latency);
69 
70  virtual int SetBufferSize(jack_nframes_t buffer_size);
71 
72  virtual int Attach();
73  virtual int Detach();
74 
75 };
76 
77 } // end of namespace
78 
79 #endif
The base class for MIDI drivers: drivers with MIDI ports.
Inter process synchronization using using Mach semaphore.
Locked Engine, access to methods is serialized using a mutex.