Jack2  1.9.9
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 
35 class SERVER_EXPORT JackMidiDriver : public JackDriver
36 {
37 
38  protected:
39 
40  JackMidiBuffer* GetInputBuffer(int port_index);
41  JackMidiBuffer* GetOutputBuffer(int port_index);
42 
43  virtual int ProcessReadSync();
44  virtual int ProcessWriteSync();
45 
46  virtual int ProcessReadAsync();
47  virtual int ProcessWriteAsync();
48 
49  virtual void UpdateLatencies();
50 
51  public:
52 
53  JackMidiDriver(const char* name, const char* alias, JackLockedEngine* engine, JackSynchro* table);
54  virtual ~JackMidiDriver();
55 
56  virtual int Open(bool capturing,
57  bool playing,
58  int inchannels,
59  int outchannels,
60  bool monitor,
61  const char* capture_driver_name,
62  const char* playback_driver_name,
63  jack_nframes_t capture_latency,
64  jack_nframes_t playback_latency);
65 
66  virtual int SetBufferSize(jack_nframes_t buffer_size);
67 
68  virtual int Attach();
69  virtual int Detach();
70 
71 };
72 
73 } // end of namespace
74 
75 #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.