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Diffstat (limited to 'module.c')
| -rw-r--r-- | module.c | 149 |
1 files changed, 149 insertions, 0 deletions
diff --git a/module.c b/module.c new file mode 100644 index 0000000..beb2c73 --- /dev/null +++ b/module.c @@ -0,0 +1,149 @@ +/* + * 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 "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) */ + + 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; + + /* 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); + } +} |