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
112
113
114
|
// ------------------------------------------------------------------------
//
// Copyright (C) 2010-2011 Fons Adriaensen <fons@linuxaudio.org>
//
// This program 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 2 of the License, or
// (at your option) any later version.
//
// This program 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 this program; if not, write to the Free Software
// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
//
// ------------------------------------------------------------------------
#include <string.h>
#include "jclient.h"
#include "global.h"
Jclient::Jclient (const char *jname, const char *jserv) :
A_thread ("Jclient"),
_jack_client (0),
_jname (0),
_state (0)
{
init_jack (jname, jserv);
}
Jclient::~Jclient (void)
{
if (_jack_client) close_jack ();
}
void Jclient::init_jack (const char *jname, const char *jserv)
{
int opts;
jack_status_t stat;
opts = JackNoStartServer;
if (jserv) opts |= JackServerName;
_jack_client = jack_client_open (jname, (jack_options_t) opts, &stat, jserv);
if (! _jack_client)
{
fprintf (stderr, "Can't connect to JACK\n");
exit (1);
}
jack_set_process_callback (_jack_client, jack_static_process, (void *) this);
jack_on_shutdown (_jack_client, jack_static_shutdown, (void *) this);
if (jack_activate (_jack_client))
{
fprintf(stderr, "Can't activate JACK.\n");
exit (1);
}
_jname = jack_get_client_name (_jack_client);
_fsamp = jack_get_sample_rate (_jack_client);
_inpports [0] = jack_port_register (_jack_client, "in.L", JACK_DEFAULT_AUDIO_TYPE, JackPortIsInput, 0);
_inpports [1] = jack_port_register (_jack_client, "in.R", JACK_DEFAULT_AUDIO_TYPE, JackPortIsInput, 0);
_ebu_r128.init (2, _fsamp);
_state = 1;
}
void Jclient::close_jack ()
{
jack_deactivate (_jack_client);
jack_client_close (_jack_client);
}
void Jclient::jack_static_shutdown (void *arg)
{
return ((Jclient *) arg)->jack_shutdown ();
}
void Jclient::jack_shutdown (void)
{
send_event (EV_EXIT, 1);
}
int Jclient::jack_static_process (jack_nframes_t nframes, void *arg)
{
return ((Jclient *) arg)->jack_process (nframes);
}
int Jclient::jack_process (int frames)
{
float *ipp [8];
if (_state == 0) return 0;
ipp [0] = (float *) jack_port_get_buffer (_inpports [0], frames);
ipp [1] = (float *) jack_port_get_buffer (_inpports [1], frames);
_ebu_r128.process (frames, ipp);
return 0;
}
|
