1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
|
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/***************************************************************************
* jackclient.cc
*
* Sun Jul 20 21:48:44 CEST 2008
* Copyright 2008 Bent Bisballe Nyeng
* deva@aasimon.org
****************************************************************************/
/*
* This file is part of DrumGizmo.
*
* DrumGizmo is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* DrumGizmo is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with DrumGizmo; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*/
#include <cassert>
#include "jackclient.h"
JackProcess::~JackProcess()
{
}
// --------------------------------------------------------------------
JackPort::JackPort(JackClient& client, const std::string& name,
const char* type, JackPortFlags flags)
: client{client.client} // register jack port for given client
, port{jack_port_register(this->client, name.c_str(), type, flags, 0)}
{
}
JackPort::~JackPort()
{
if(port != nullptr)
{
assert(client != nullptr);
jack_port_unregister(client, port);
}
}
// --------------------------------------------------------------------
static int _wrap_jack_process(jack_nframes_t nframes, void* arg)
{
return static_cast<JackClient*>(arg)->process(nframes);
}
JackClient::JackClient() : client{nullptr}, processes{}, is_active{false}
{
jack_status_t status;
client = jack_client_open("DrumGizmo", JackNullOption, &status);
jack_set_process_callback(client, _wrap_jack_process, this);
}
JackClient::~JackClient()
{
if(client != nullptr)
{
jack_client_close(client);
}
}
void JackClient::add(JackProcess& process)
{
processes.insert(&process);
}
void JackClient::remove(JackProcess& process)
{
processes.erase(&process);
}
void JackClient::activate()
{
if(!is_active)
{
jack_activate(client);
}
is_active = true;
}
int JackClient::process(jack_nframes_t num_frames)
{
for(auto& ptr : processes)
{
ptr->process(num_frames);
}
return 0;
}
std::size_t JackClient::getBufferSize() const
{
return jack_get_buffer_size(client);
}
std::size_t JackClient::getSampleRate() const
{
return jack_get_sample_rate(client);
}
|
