4 This file is part of polypaudio.
6 polypaudio is free software; you can redistribute it and/or modify
7 it under the terms of the GNU Lesser General Public License as published
8 by the Free Software Foundation; either version 2 of the License,
9 or (at your option) any later version.
11 polypaudio is distributed in the hope that it will be useful, but
12 WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 General Public License for more details.
16 You should have received a copy of the GNU Lesser General Public License
17 along with polypaudio; if not, write to the Free Software
18 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
30 #include <lirc/lirc_client.h>
33 #include <polyp/xmalloc.h>
35 #include <polypcore/module.h>
36 #include <polypcore/log.h>
37 #include <polypcore/namereg.h>
38 #include <polypcore/sink.h>
39 #include <polypcore/modargs.h>
41 #include "module-lirc-symdef.h"
43 PA_MODULE_AUTHOR("Lennart Poettering")
44 PA_MODULE_DESCRIPTION("LIRC volume control")
45 PA_MODULE_VERSION(PACKAGE_VERSION
)
46 PA_MODULE_USAGE("config=<config file> sink=<sink name> appname=<lirc application name>")
48 static const char* const valid_modargs
[] = {
58 struct lirc_config
*config
;
61 float mute_toggle_save
;
64 static int lirc_in_use
= 0;
66 static void io_callback(pa_mainloop_api
*io
, PA_GCC_UNUSED pa_io_event
*e
, PA_GCC_UNUSED
int fd
, pa_io_event_flags_t events
, void*userdata
) {
67 struct userdata
*u
= userdata
;
68 char *name
= NULL
, *code
= NULL
;
72 if (events
& (PA_IO_EVENT_HANGUP
|PA_IO_EVENT_ERROR
)) {
73 pa_log(__FILE__
": lost connection to LIRC daemon.");
77 if (events
& PA_IO_EVENT_INPUT
) {
80 if (lirc_nextcode(&code
) != 0 || !code
) {
81 pa_log(__FILE__
": lirc_nextcode() failed.");
86 c
[strcspn(c
, "\n\r")] = 0;
87 pa_log_debug(__FILE__
": raw IR code '%s'", c
);
90 while (lirc_code2char(u
->config
, code
, &name
) == 0 && name
) {
98 } volchange
= INVALID
;
100 pa_log_info(__FILE__
": translated IR code '%s'", name
);
102 if (strcasecmp(name
, "volume-up") == 0)
104 else if (strcasecmp(name
, "volume-down") == 0)
106 else if (strcasecmp(name
, "mute") == 0)
108 else if (strcasecmp(name
, "mute-toggle") == 0)
109 volchange
= MUTE_TOGGLE
;
110 else if (strcasecmp(name
, "reset") == 0)
113 if (volchange
== INVALID
)
114 pa_log_warn(__FILE__
": recieved unknown IR code '%s'", name
);
118 if (!(s
= pa_namereg_get(u
->module
->core
, u
->sink_name
, PA_NAMEREG_SINK
, 1)))
119 pa_log(__FILE__
": failed to get sink '%s'", u
->sink_name
);
122 pa_cvolume cv
= *pa_sink_get_volume(s
, PA_MIXER_HARDWARE
);
124 #define DELTA (PA_VOLUME_NORM/20)
128 for (i
= 0; i
< cv
.channels
; i
++) {
129 cv
.values
[i
] += DELTA
;
131 if (cv
.values
[i
] > PA_VOLUME_NORM
)
132 cv
.values
[i
] = PA_VOLUME_NORM
;
135 pa_sink_set_volume(s
, PA_MIXER_HARDWARE
, &cv
);
139 for (i
= 0; i
< cv
.channels
; i
++) {
140 if (cv
.values
[i
] >= DELTA
)
141 cv
.values
[i
] -= DELTA
;
143 cv
.values
[i
] = PA_VOLUME_MUTED
;
146 pa_sink_set_volume(s
, PA_MIXER_HARDWARE
, &cv
);
150 pa_sink_set_mute(s
, PA_MIXER_HARDWARE
, 0);
154 pa_sink_set_mute(s
, PA_MIXER_HARDWARE
, 1);
159 pa_sink_set_mute(s
, PA_MIXER_HARDWARE
, !pa_sink_get_mute(s
, PA_MIXER_HARDWARE
));
175 u
->module
->core
->mainloop
->io_free(u
->io
);
178 pa_module_unload_request(u
->module
);
183 int pa__init(pa_core
*c
, pa_module
*m
) {
184 pa_modargs
*ma
= NULL
;
189 pa_log(__FILE__
": module-lirc may no be loaded twice.");
193 if (!(ma
= pa_modargs_new(m
->argument
, valid_modargs
))) {
194 pa_log(__FILE__
": Failed to parse module arguments");
198 m
->userdata
= u
= pa_xmalloc(sizeof(struct userdata
));
202 u
->sink_name
= pa_xstrdup(pa_modargs_get_value(ma
, "sink", NULL
));
204 u
->mute_toggle_save
= 0;
206 if ((u
->lirc_fd
= lirc_init((char*) pa_modargs_get_value(ma
, "appname", "polypaudio"), 1)) < 0) {
207 pa_log(__FILE__
": lirc_init() failed.");
211 if (lirc_readconfig((char*) pa_modargs_get_value(ma
, "config", NULL
), &u
->config
, NULL
) < 0) {
212 pa_log(__FILE__
": lirc_readconfig() failed.");
216 u
->io
= c
->mainloop
->io_new(c
->mainloop
, u
->lirc_fd
, PA_IO_EVENT_INPUT
|PA_IO_EVENT_HANGUP
, io_callback
, u
);
233 void pa__done(pa_core
*c
, pa_module
*m
) {
238 if (!(u
= m
->userdata
))
242 m
->core
->mainloop
->io_free(u
->io
);
245 lirc_freeconfig(u
->config
);
250 pa_xfree(u
->sink_name
);