code.delx.au - pulseaudio/blob - src/modules/bluetooth/module-bluez5-device.c

   1 /***
   2   This file is part of PulseAudio.
   3
   4   Copyright 2008-2013 João Paulo Rechi Vita
   5   Copyright 2011-2013 BMW Car IT GmbH.
   6
   7   PulseAudio is free software; you can redistribute it and/or modify
   8   it under the terms of the GNU Lesser General Public License as
   9   published by the Free Software Foundation; either version 2.1 of the
  10   License, or (at your option) any later version.
  11
  12   PulseAudio is distributed in the hope that it will be useful, but
  13   WITHOUT ANY WARRANTY; without even the implied warranty of
  14   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  15   General Public License for more details.
  16
  17   You should have received a copy of the GNU Lesser General Public
  18   License along with PulseAudio; if not, write to the Free Software
  19   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
  20   USA.
  21 ***/
  22
  23 #ifdef HAVE_CONFIG_H
  24 #include <config.h>
  25 #endif
  26
  27 #include <pulsecore/module.h>
  28 #include <pulsecore/modargs.h>
  29
  30 #include "bluez5-util.h"
  31
  32 #include "module-bluez5-device-symdef.h"
  33
  34 PA_MODULE_AUTHOR("João Paulo Rechi Vita");
  35 PA_MODULE_DESCRIPTION("BlueZ 5 Bluetooth audio sink and source");
  36 PA_MODULE_VERSION(PACKAGE_VERSION);
  37 PA_MODULE_LOAD_ONCE(false);
  38 PA_MODULE_USAGE("path=<device object path>");
  39
  40 static const char* const valid_modargs[] = {
  41     "path",
  42     NULL
  43 };
  44
  45 struct userdata {
  46     pa_module *module;
  47     pa_core *core;
  48
  49     pa_bluetooth_discovery *discovery;
  50     pa_bluetooth_device *device;
  51 };
  52
  53 int pa__init(pa_module* m) {
  54     struct userdata *u;
  55     const char *path;
  56     pa_modargs *ma;
  57
  58     pa_assert(m);
  59
  60     m->userdata = u = pa_xnew0(struct userdata, 1);
  61     u->module = m;
  62     u->core = m->core;
  63
  64     if (!(ma = pa_modargs_new(m->argument, valid_modargs))) {
  65         pa_log_error("Failed to parse module arguments");
  66         goto fail;
  67     }
  68
  69     if (!(path = pa_modargs_get_value(ma, "path", NULL))) {
  70         pa_log_error("Failed to get device path from module arguments");
  71         goto fail;
  72     }
  73
  74     if (!(u->discovery = pa_bluetooth_discovery_get(m->core)))
  75         goto fail;
  76
  77     if (!(u->device = pa_bluetooth_discovery_get_device_by_path(u->discovery, path))) {
  78         pa_log_error("%s is unknown", path);
  79         goto fail;
  80     }
  81
  82     pa_modargs_free(ma);
  83
  84     return 0;
  85
  86 fail:
  87
  88     if (ma)
  89         pa_modargs_free(ma);
  90
  91     pa__done(m);
  92
  93     return -1;
  94 }
  95
  96 void pa__done(pa_module *m) {
  97     struct userdata *u;
  98
  99     pa_assert(m);
 100
 101     if (!(u = m->userdata))
 102         return;
 103
 104     if (u->discovery)
 105         pa_bluetooth_discovery_unref(u->discovery);
 106
 107     pa_xfree(u);
 108 }