1 /*
2 * alsamixer - curses mixer for the ALSA project
3 * Copyright (c) 1998,1999 Tim Janik
4 * Jaroslav Kysela <perex@perex.cz>
5 * Copyright (c) 2009 Clemens Ladisch <clemens@ladisch.de>
6 *
7 * This program is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation, either version 2 of the License, or
10 * (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program. If not, see <http://www.gnu.org/licenses/>.
19 */
20
21 #include "aconfig.h"
22 #include <stdio.h>
23 #include <stdlib.h>
24 #include <locale.h>
25 #include <getopt.h>
26 #include <alsa/asoundlib.h>
27 #include "gettext_curses.h"
28 #include "mixer_widget.h"
29 #include "mainloop.h"
30 #include "configparser.h"
31 #include "colors.h"
32
33 static int black_background = 0;
34 static int use_color = 1;
35 static int use_mouse = 1;
36 static const char* config_file = CONFIG_DEFAULT;
37 static struct snd_mixer_selem_regopt selem_regopt = {
38 .ver = 1,
39 .abstract = SND_MIXER_SABSTRACT_NONE,
40 .device = "default",
41 };
42
show_help(void)43 static void show_help(void)
44 {
45 puts(_("Usage: alsamixer [options]"));
46 puts(_("Useful options:\n"
47 " -h, --help this help\n"
48 " -c, --card=NUMBER sound card number or id\n"
49 " -D, --device=NAME mixer device name\n"
50 " -m, --mouse enable mouse\n"
51 " -M, --no-mouse disable mouse\n"
52 " -f, --config=FILE configuration file\n"
53 " -F, --no-config do not load configuration file\n"
54 " -V, --view=MODE starting view mode: playback/capture/all\n"
55 " -B, --black-background use black background color"));
56 puts(_("Debugging options:\n"
57 " -g, --no-color toggle using of colors\n"
58 " -a, --abstraction=NAME mixer abstraction level: none/basic"));
59 }
60
parse_options(int argc,char * argv[])61 static void parse_options(int argc, char *argv[])
62 {
63 static const char short_options[] = "hc:f:FD:mMV:Bga:";
64 static const struct option long_options[] = {
65 { .name = "help", .val = 'h' },
66 { .name = "card", .has_arg = 1, .val = 'c' },
67 { .name = "config", .has_arg = 1, .val = 'f' },
68 { .name = "no-config", .val = 'F' },
69 { .name = "device", .has_arg = 1, .val = 'D' },
70 { .name = "mouse", .val = 'm' },
71 { .name = "no-mouse", .val = 'M' },
72 { .name = "view", .has_arg = 1, .val = 'V' },
73 { .name = "black-background", .val = 'B' },
74 { .name = "no-color", .val = 'g' },
75 { .name = "abstraction", .has_arg = 1, .val = 'a' },
76 { 0 }
77 };
78 int option;
79 int card_index;
80 static char name_buf[24];
81
82 while ((option = getopt_long(argc, argv, short_options,
83 long_options, NULL)) != -1) {
84 switch (option) {
85 case '?':
86 case 'h':
87 show_help();
88 exit(EXIT_SUCCESS);
89 case 'c':
90 card_index = snd_card_get_index(optarg);
91 if (card_index < 0) {
92 fprintf(stderr, _("invalid card index: %s\n"), optarg);
93 goto fail;
94 }
95 #if defined(SND_LIB_VER) && SND_LIB_VER(1, 2, 5) <= SND_LIB_VERSION
96 sprintf(name_buf, "sysdefault:%d", card_index);
97 #else
98 sprintf(name_buf, "hw:%d", card_index);
99 #endif
100 selem_regopt.device = name_buf;
101 break;
102 case 'D':
103 selem_regopt.device = optarg;
104 break;
105 case 'f':
106 config_file = optarg;
107 break;
108 case 'F':
109 config_file = NULL;
110 break;
111 case 'm':
112 use_mouse = 1;
113 break;
114 case 'M':
115 use_mouse = 0;
116 break;
117 case 'V':
118 if (*optarg == 'p' || *optarg == 'P')
119 view_mode = VIEW_MODE_PLAYBACK;
120 else if (*optarg == 'c' || *optarg == 'C')
121 view_mode = VIEW_MODE_CAPTURE;
122 else
123 view_mode = VIEW_MODE_ALL;
124 break;
125 case 'B':
126 black_background = 1;
127 break;
128 case 'g':
129 use_color = !use_color;
130 break;
131 case 'a':
132 if (!strcmp(optarg, "none"))
133 selem_regopt.abstract = SND_MIXER_SABSTRACT_NONE;
134 else if (!strcmp(optarg, "basic"))
135 selem_regopt.abstract = SND_MIXER_SABSTRACT_BASIC;
136 else {
137 fprintf(stderr, _("unknown abstraction level: %s\n"), optarg);
138 goto fail;
139 }
140 break;
141 default:
142 fprintf(stderr, _("unknown option: %c\n"), option);
143 fail:
144 fputs(_("try `alsamixer --help' for more information\n"), stderr);
145 exit(EXIT_FAILURE);
146 }
147 }
148 }
149
main(int argc,char * argv[])150 int main(int argc, char *argv[])
151 {
152 if (!isatty(fileno(stdin)))
153 return 0;
154
155 setlocale(LC_ALL, "");
156 #ifdef ENABLE_NLS_IN_CURSES
157 textdomain(PACKAGE);
158 #endif
159
160 parse_options(argc, argv);
161
162 create_mixer_object(&selem_regopt);
163
164 initialize_curses(use_color, use_mouse);
165
166 if (config_file == CONFIG_DEFAULT)
167 parse_default_config_file();
168 else if (config_file)
169 parse_config_file(config_file);
170
171 if (black_background)
172 reinit_colors(COLOR_BLACK);
173
174 create_mixer_widget();
175
176 mainloop();
177
178 app_shutdown();
179 return 0;
180 }
181