Jack2 1.9.12

JackFFADOMidiReceiveQueue.cpp
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 #include "JackFFADOMidiReceiveQueue.h"
21 #include "JackMidiUtil.h"
22
23 using Jack::JackFFADOMidiReceiveQueue;
24
25 JackFFADOMidiReceiveQueue::JackFFADOMidiReceiveQueue()
26 {
27 // Empty
28 }
29
30 jack_midi_event_t *
31 JackFFADOMidiReceiveQueue::DequeueEvent()
32 {
33 for (; index < length; index += 8) {
34 uint32_t data = input_buffer[index];
35 if (data & 0xff000000) {
36 byte = (jack_midi_data_t) (data & 0xff);
37 event.buffer = &byte;
38 event.size = 1;
39 event.time = last_frame + index;
40 index += 8;
41 return &event;
42 }
43 }
44 return 0;
45 }
46
47 void
48 JackFFADOMidiReceiveQueue::ResetInputBuffer(uint32_t *input_buffer,
49 jack_nframes_t length)
50 {
51 this->input_buffer = input_buffer;
52 index = 0;
53 last_frame = GetLastFrame();
54 this->length = length;
55 }
Jack::JackFFADOMidiReceiveQueue
Definition: JackFFADOMidiReceiveQueue.h:27
jack_midi_event_t
Definition: JackMidiPort.h:33
Jack::JackFFADOMidiReceiveQueue::DequeueEvent
jack_midi_event_t * DequeueEvent()
Definition: JackFFADOMidiReceiveQueue.cpp:31