Jack2: JackALSARawMidiPort.h Source File

Jack2 1.9.12

JackALSARawMidiPort.h
1 /*
2 Copyright (C) 2011 Devin Anderson
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 __JackALSARawMidiPort__
21 #define __JackALSARawMidiPort__
22
23 #include <alsa/asoundlib.h>
24 #include <poll.h>
25
26 #include "JackConstants.h"
27
28 namespace Jack {
29
30 class JackALSARawMidiPort {
31
32 private:
33
34 char alias[REAL_JACK_PORT_NAME_SIZE+1];
35 struct pollfd *alsa_poll_fds;
36 int alsa_poll_fd_count;
37 int fds[2];
38 unsigned short io_mask;
39 char name[REAL_JACK_PORT_NAME_SIZE+1];
40 struct pollfd *queue_poll_fd;
41
42 protected:
43
44 snd_rawmidi_t *rawmidi;
45
46 int
47 GetIOPollEvent();
48
49 int
50 GetQueuePollEvent();
51
52 void
53 SetIOEventsEnabled(bool enabled);
54
55 void
56 SetQueueEventsEnabled(bool enabled);
57
58 bool
59 TriggerQueueEvent();
60
61 public:
62
63 JackALSARawMidiPort(snd_rawmidi_info_t *info, size_t index,
64 unsigned short io_mask);
65
66 virtual
67 ~JackALSARawMidiPort();
68
69 const char *
70 GetAlias();
71
72 const char *
73 GetName();
74
75 int
76 GetPollDescriptorCount();
77
78 void
79 PopulatePollDescriptors(struct pollfd *poll_fd);
80
81 };
82
83 }
84
85 #endif
Jack::JackALSARawMidiPort
Definition: JackALSARawMidiPort.h:30