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/*
* module-agl-audio -- PulseAudio module for providing audio routing support
* (forked from "module-murphy-ivi" - https://github.com/otcshare )
* Copyright (c) 2012, Intel Corporation.
* Copyright (c) 2016, IoT.bzh
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU Lesser General Public License,
* version 2.1, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St - Fifth Floor, Boston,
* MA 02110-1301 USA.
*
*/
/* Load the module with :
$ pulseaudio --system --dl-search-path=/mypath
$ pactl load-module mypamodule
(PS : /mypath must be world-readable, because PulseAudio drops
its own privileges after initial startup)
*/
/* THIS IS PROVIDED BY "pulseaudio-module-devel" package */
#include <pulsecore/pulsecore-config.h> /* required for "module.h" */
#include <pulsecore/module.h>
#include <pulsecore/modargs.h> /* for "pa_modargs" */
#include "userdata.h" /* for "struct userdata" */
#include "config.h" /* for "pa_config_...()" */
#include "utils.h" /* for "struct pa_null_sink", "pa_utils_create_null_sink()"... */
#include "loopback.h" /* for "struct pa_loopback/loopnode" */
#include "zone.h" /* for "struct pa_zoneset" */
#include "node.h" /* for "struct pa_nodeset" */
#include "audiomgr.h" /* for "struct pa_audiomgr" */
#include "routerif.h" /* for "struct pa_routerif" */
#include "discover.h" /* for "struct pa_discover" */
#include "tracker.h" /* for "struct pa_tracker" */
#include "router.h" /* for "struct pa_router" */
#ifndef DEFAULT_CONFIG_DIR
#define DEFAULT_CONFIG_DIR "/etc/pulse"
#endif
#ifndef DEFAULT_CONFIG_FILE
#define DEFAULT_CONFIG_FILE "pulseaudio-agl.cfg"
#endif
/* VALID ARGUMENTS */
static const char* const valid_modargs[] = {
"config_dir",
"config_file",
"null_sink_name",
"audiomgr_socktype",
"audiomgr_address",
"audiomgr_port",
NULL
};
/* INITIALIZATION FUNCTION */
int pa__init (pa_module *m)
{
pa_log ("Initializing \"pulseaudio-agl\" module");
struct userdata *u = NULL;
pa_modargs *ma = NULL; /* will contain module arguments */
const char *cfgdir;
const char *cfgfile;
const char *nsnam; /* NULL sink name (default = "null.agl") */
const char *amsocktype; /* Optional external routing daemon: socket type ("unix"/"tcp") */
const char *amaddr; /* Optional external routing daemon: socket address (path/ip address) */
const char *amport; /* Optional external routing daemon: socket port ("tcp" type only) */
const char *cfgpath;
char buf[4096];
pa_assert (m);
/* treat module arguments */
ma = pa_modargs_new (m->argument, valid_modargs);
cfgdir = pa_modargs_get_value (ma, "config_dir", DEFAULT_CONFIG_DIR);
cfgfile = pa_modargs_get_value (ma, "config_file", DEFAULT_CONFIG_FILE);
nsnam = pa_modargs_get_value (ma, "null_sink_name", NULL);
amsocktype = pa_modargs_get_value (ma, "audiomgr_socktype", NULL);
amaddr = pa_modargs_get_value (ma, "audiomgr_address", NULL);
amport = pa_modargs_get_value (ma, "audiomgr_port", NULL);
pa_log ("cfgdir : %s", cfgdir);
pa_log ("cfgfile : %s", cfgfile);
pa_utils_init_stamp ();
/* initialize userdata */
u = pa_xnew0 (struct userdata, 1);
u->core = m->core;
u->module = m;
u->nsnam = pa_xstrdup (nsnam) ;
u->zoneset = pa_zoneset_init (u);
u->nodeset = pa_nodeset_init (u);
u->audiomgr = pa_audiomgr_init (u);
u->routerif = pa_routerif_init (u, amsocktype, amaddr, amport);
u->router = pa_router_init (u);
u->discover = pa_discover_init (u);
u->tracker = pa_tracker_init (u);
m->userdata = u;
/* apply the config file */
cfgpath = pa_config_file_get_path (cfgdir, cfgfile, buf, sizeof(buf));
pa_config_parse_file (u, cfgpath);
/* really initialize the module's core logic */
pa_tracker_synchronize (u);
/* end */
pa_modargs_free(ma);
return 0;
}
/* CLOSEUP FUNCTION */
void pa__done (pa_module *m)
{
pa_log ("Closing \"pulseaudio-agl\" module");
struct userdata *u;
pa_assert (m);
if (u = m->userdata) {
pa_tracker_done (u);
pa_discover_done (u);
pa_routerif_done (u);
pa_audiomgr_done (u);
pa_nodeset_done (u);
pa_zoneset_done (u);
pa_xfree (u->nsnam);
pa_xfree (u);
}
}
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