diff options
Diffstat (limited to 'src/modules/bluetooth/module-bluez5-discover.c')
| -rw-r--r-- | src/modules/bluetooth/module-bluez5-discover.c | 173 |
1 files changed, 173 insertions, 0 deletions
diff --git a/src/modules/bluetooth/module-bluez5-discover.c b/src/modules/bluetooth/module-bluez5-discover.c new file mode 100644 index 0000000..47b5761 --- /dev/null +++ b/src/modules/bluetooth/module-bluez5-discover.c @@ -0,0 +1,173 @@ +/*** + This file is part of PulseAudio. + + Copyright 2008-2013 João Paulo Rechi Vita + + PulseAudio is free software; you can redistribute it and/or modify + it under the terms of the GNU Lesser General Public License as + published by the Free Software Foundation; either version 2.1 of the + License, or (at your option) any later version. + + PulseAudio is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with PulseAudio; if not, see <http://www.gnu.org/licenses/>. +***/ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + +#include <pulsecore/core.h> +#include <pulsecore/core-util.h> +#include <pulsecore/macro.h> +#include <pulsecore/module.h> +#include <pulsecore/modargs.h> +#include <pulsecore/shared.h> + +#include "bluez5-util.h" + +PA_MODULE_AUTHOR("João Paulo Rechi Vita"); +PA_MODULE_DESCRIPTION("Detect available BlueZ 5 Bluetooth audio devices and load BlueZ 5 Bluetooth audio drivers"); +PA_MODULE_VERSION(PACKAGE_VERSION); +PA_MODULE_LOAD_ONCE(true); +PA_MODULE_USAGE( + "headset=ofono|native|auto" + "autodetect_mtu=<boolean>" +); + +static const char* const valid_modargs[] = { + "headset", + "autodetect_mtu", + NULL +}; + +struct userdata { + pa_module *module; + pa_core *core; + pa_hashmap *loaded_device_paths; + pa_hook_slot *device_connection_changed_slot; + pa_bluetooth_discovery *discovery; + bool autodetect_mtu; +}; + +static pa_hook_result_t device_connection_changed_cb(pa_bluetooth_discovery *y, const pa_bluetooth_device *d, struct userdata *u) { + bool module_loaded; + + pa_assert(d); + pa_assert(u); + + module_loaded = pa_hashmap_get(u->loaded_device_paths, d->path) ? true : false; + + if (module_loaded && !pa_bluetooth_device_any_transport_connected(d)) { + /* disconnection, the module unloads itself */ + pa_log_debug("Unregistering module for %s", d->path); + pa_hashmap_remove(u->loaded_device_paths, d->path); + return PA_HOOK_OK; + } + + if (!module_loaded && pa_bluetooth_device_any_transport_connected(d)) { + /* a new device has been connected */ + pa_module *m; + char *args = pa_sprintf_malloc("path=%s autodetect_mtu=%i", d->path, (int)u->autodetect_mtu); + + pa_log_debug("Loading module-bluez5-device %s", args); + pa_module_load(&m, u->module->core, "module-bluez5-device", args); + pa_xfree(args); + + if (m) + /* No need to duplicate the path here since the device object will + * exist for the whole hashmap entry lifespan */ + pa_hashmap_put(u->loaded_device_paths, d->path, d->path); + else + pa_log_warn("Failed to load module for device %s", d->path); + + return PA_HOOK_OK; + } + + return PA_HOOK_OK; +} + +#ifdef HAVE_BLUEZ_5_NATIVE_HEADSET +const char *default_headset_backend = "auto"; +#else +const char *default_headset_backend = "ofono"; +#endif + +int pa__init(pa_module *m) { + struct userdata *u; + pa_modargs *ma; + const char *headset_str; + int headset_backend; + bool autodetect_mtu; + + pa_assert(m); + + if (!(ma = pa_modargs_new(m->argument, valid_modargs))) { + pa_log("failed to parse module arguments."); + goto fail; + } + + pa_assert_se(headset_str = pa_modargs_get_value(ma, "headset", default_headset_backend)); + if (pa_streq(headset_str, "ofono")) + headset_backend = HEADSET_BACKEND_OFONO; + else if (pa_streq(headset_str, "native")) + headset_backend = HEADSET_BACKEND_NATIVE; + else if (pa_streq(headset_str, "auto")) + headset_backend = HEADSET_BACKEND_AUTO; + else { + pa_log("headset parameter must be either ofono, native or auto (found %s)", headset_str); + goto fail; + } + + autodetect_mtu = false; + if (pa_modargs_get_value_boolean(ma, "autodetect_mtu", &autodetect_mtu) < 0) { + pa_log("Invalid boolean value for autodetect_mtu parameter"); + goto fail; + } + + m->userdata = u = pa_xnew0(struct userdata, 1); + u->module = m; + u->core = m->core; + u->autodetect_mtu = autodetect_mtu; + u->loaded_device_paths = pa_hashmap_new(pa_idxset_string_hash_func, pa_idxset_string_compare_func); + + if (!(u->discovery = pa_bluetooth_discovery_get(u->core, headset_backend))) + goto fail; + + u->device_connection_changed_slot = + pa_hook_connect(pa_bluetooth_discovery_hook(u->discovery, PA_BLUETOOTH_HOOK_DEVICE_CONNECTION_CHANGED), + PA_HOOK_NORMAL, (pa_hook_cb_t) device_connection_changed_cb, u); + + pa_modargs_free(ma); + return 0; + +fail: + if (ma) + pa_modargs_free(ma); + pa__done(m); + return -1; +} + +void pa__done(pa_module *m) { + struct userdata *u; + + pa_assert(m); + + if (!(u = m->userdata)) + return; + + if (u->device_connection_changed_slot) + pa_hook_slot_free(u->device_connection_changed_slot); + + if (u->loaded_device_paths) + pa_hashmap_free(u->loaded_device_paths); + + if (u->discovery) + pa_bluetooth_discovery_unref(u->discovery); + + pa_xfree(u); +} |