Jack2: JackMidiAsyncQueue.h Source File

Jack2 1.9.12

JackMidiAsyncQueue.h
1 /*
2 Copyright (C) 2010 Devin Anderson
3
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU Lesser General Public License as published by
6 the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.
13
14 You should have received a copy of the GNU Lesser General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
17
18 */
19
20 #ifndef __JackMidiAsyncQueue__
21 #define __JackMidiAsyncQueue__
22
23 #include "JackMidiPort.h"
24 #include "JackMidiReadQueue.h"
25 #include "JackMidiWriteQueue.h"
26 #include "ringbuffer.h"
27
28 namespace Jack {
29
40 class SERVER_EXPORT JackMidiAsyncQueue:
41 public JackMidiReadQueue, public JackMidiWriteQueue {
42
43 private:
44
45 static const size_t INFO_SIZE =
46 sizeof(jack_nframes_t) + sizeof(size_t);
47
48 jack_ringbuffer_t *byte_ring;
49 jack_midi_data_t *data_buffer;
50 jack_midi_event_t dequeue_event;
51 jack_ringbuffer_t *info_ring;
52 size_t max_bytes;
53
54 public:
55
56 using JackMidiWriteQueue::EnqueueEvent;
57
64 JackMidiAsyncQueue(size_t max_bytes=4096, size_t max_messages=1024);
65
66 virtual
67 ~JackMidiAsyncQueue();
68
74 virtual jack_midi_event_t *
75 DequeueEvent();
76
83 virtual EnqueueResult
84 EnqueueEvent(jack_nframes_t time, size_t size,
85 jack_midi_data_t *buffer);
86
91 size_t
92 GetAvailableSpace();
93
94 };
95
96 }
97
98 #endif
ringbuffer.h
Jack::JackMidiAsyncQueue
Definition: JackMidiAsyncQueue.h:40
Jack::JackMidiReadQueue
Definition: JackMidiReadQueue.h:31
Jack::JackMidiWriteQueue
Definition: JackMidiWriteQueue.h:32
jack_midi_event_t
Definition: JackMidiPort.h:33
Jack::JackMidiWriteQueue::EnqueueEvent
virtual EnqueueResult EnqueueEvent(jack_nframes_t time, size_t size, jack_midi_data_t *buffer)=0
jack_ringbuffer_t
Definition: ringbuffer.h:51