1/***
2  This file is part of PulseAudio.
3
4  Copyright 2012 Flavio Ceolin <flavio.ceolin@profusion.mobi>
5
6  PulseAudio 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 2.1 of the License,
9  or (at your option) any later version.
10
11  PulseAudio 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.
15
16  You should have received a copy of the GNU Lesser General Public License
17  along with PulseAudio; if not, see <http://www.gnu.org/licenses/>.
18***/
19
20#ifdef HAVE_CONFIG_H
21#include <config.h>
22#endif
23
24#include <pulsecore/macro.h>
25#include <pulsecore/core.h>
26#include "stream-interaction.h"
27
28PA_MODULE_AUTHOR("Flavio Ceolin <flavio.ceolin@profusion.mobi>");
29PA_MODULE_DESCRIPTION("Apply a ducking effect based on streams roles");
30PA_MODULE_VERSION(PACKAGE_VERSION);
31PA_MODULE_LOAD_ONCE(true);
32PA_MODULE_USAGE(
33        "trigger_roles=<Comma(and slash) separated list of roles which will trigger a ducking. Slash can divide the roles into groups>"
34        "ducking_roles=<Comma(and slash) separated list of roles which will be ducked. Slash can divide the roles into groups>"
35        "global=<Should we operate globally or only inside the same device?>"
36        "volume=<Volume for the attenuated streams. Default: -20dB. If trigger_roles and ducking_roles are separated by slash, use slash for dividing volume group>"
37        "use_source_trigger=<Do we trigger a ducking by a role of source-output as well as sink-input's? Default: false>"
38);
39
40static const char* const valid_modargs[] = {
41    "trigger_roles",
42    "ducking_roles",
43    "global",
44    "volume",
45    "use_source_trigger",
46    NULL
47};
48
49int pa__init(pa_module *m) {
50
51    pa_assert(m);
52
53    return pa_stream_interaction_init(m, valid_modargs);
54}
55
56void pa__done(pa_module *m) {
57
58    pa_assert(m);
59
60    pa_stream_interaction_done(m);
61}
62