PA_MODULE_USAGE(
"sink_name=<name of the device> "
"address=<address of the device> "
- "profile=<a2dp|hsp>");
+ "profile=<a2dp|hsp> "
+ "rate=<sample rate> "
+ "channels=<number of channels> "
+ "path=<device object path>");
struct bt_a2dp {
sbc_capabilities_t sbc_capabilities;
pa_core *core;
pa_module *module;
pa_sink *sink;
+ pa_source *source;
pa_thread_mq thread_mq;
pa_rtpoll *rtpoll;
pa_usec_t latency;
struct bt_a2dp a2dp;
+ char *path;
+ pa_dbus_connection *conn;
};
static const char* const valid_modargs[] = {
"profile",
"rate",
"channels",
+ "path",
NULL
};
msg.getcaps_req.h.length = sizeof(msg.getcaps_req);
strncpy(msg.getcaps_req.device, u->addr, 18);
- if (strcasecmp(u->profile, "a2dp") == 0)
+ if (pa_streq(u->profile, "a2dp"))
msg.getcaps_req.transport = BT_CAPABILITIES_TRANSPORT_A2DP;
- else if (strcasecmp(u->profile, "hsp") == 0)
+ else if (pa_streq(u->profile, "hsp"))
msg.getcaps_req.transport = BT_CAPABILITIES_TRANSPORT_SCO;
else {
pa_log_error("Invalid profile argument: %s", u->profile);
pa_log_debug("IO thread shutting down");
}
+static DBusHandlerResult filter_cb(DBusConnection *bus, DBusMessage *msg, void *userdata) {
+ DBusMessageIter arg_i;
+ DBusError err;
+ const char *value;
+ struct userdata *u;
+
+ pa_assert(bus);
+ pa_assert(msg);
+ pa_assert(userdata);
+ u = userdata;
+
+ pa_log_debug("dbus: interface=%s, path=%s, member=%s\n",
+ dbus_message_get_interface(msg),
+ dbus_message_get_path(msg),
+ dbus_message_get_member(msg));
+
+ dbus_error_init(&err);
+
+ if (dbus_message_is_signal(msg, "org.bluez.Headset", "PropertyChanged") ||
+ dbus_message_is_signal(msg, "org.bluez.AudioSink", "PropertyChanged")) {
+
+ struct device *d;
+ const char *profile;
+ DBusMessageIter variant_i;
+ dbus_uint16_t gain;
+
+ if (!dbus_message_iter_init(msg, &arg_i)) {
+ pa_log("dbus: message has no parameters");
+ goto done;
+ }
+
+ if (dbus_message_iter_get_arg_type(&arg_i) != DBUS_TYPE_STRING) {
+ pa_log("Property name not a string.");
+ goto done;
+ }
+
+ dbus_message_iter_get_basic(&arg_i, &value);
+
+ if (!dbus_message_iter_next(&arg_i)) {
+ pa_log("Property value missing");
+ goto done;
+ }
+
+ if (dbus_message_iter_get_arg_type(&arg_i) != DBUS_TYPE_VARIANT) {
+ pa_log("Property value not a variant.");
+ goto done;
+ }
+
+ dbus_message_iter_recurse(&arg_i, &variant_i);
+
+ if (dbus_message_iter_get_arg_type(&variant_i) != DBUS_TYPE_UINT16) {
+ dbus_message_iter_get_basic(&variant_i, &gain);
+
+ if (pa_streq(value, "SpeakerGain")) {
+ pa_log("spk gain: %d", gain);
+ pa_cvolume_set(&u->sink->volume, 1, (pa_volume_t) (gain * PA_VOLUME_NORM / 15));
+ u->sink->virtual_volume = u->sink->volume;
+ pa_subscription_post(u->sink->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, u->sink->index);
+ } else {
+ pa_log("mic gain: %d", gain);
+ if (!u->source)
+ goto done;
+
+ pa_cvolume_set(&u->source->volume, 1, (pa_volume_t) (gain * PA_VOLUME_NORM / 15));
+ pa_subscription_post(u->source->core, PA_SUBSCRIPTION_EVENT_SOURCE|PA_SUBSCRIPTION_EVENT_CHANGE, u->source->index);
+ }
+ }
+ }
+
+done:
+ dbus_error_free(&err);
+ return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
+}
+
+static int sink_get_volume_cb(pa_sink *s) {
+ struct userdata *u = s->userdata;
+ pa_assert(u);
+
+ /* refresh? */
+
+ return 0;
+}
+
+static int source_get_volume_cb(pa_source *s) {
+ struct userdata *u = s->userdata;
+ pa_assert(u);
+
+ /* refresh? */
+
+ return 0;
+}
+
+static int sink_set_volume_cb(pa_sink *s) {
+ DBusError e;
+ DBusMessage *m, *r;
+ DBusMessageIter it, itvar;
+ dbus_uint16_t vol;
+ const char *spkgain = "SpeakerGain";
+ struct userdata *u = s->userdata;
+ pa_assert(u);
+
+ dbus_error_init(&e);
+
+ vol = ((float)pa_cvolume_max(&s->volume) / PA_VOLUME_NORM) * 15;
+ pa_log_debug("set headset volume: %d", vol);
+
+ pa_assert_se(m = dbus_message_new_method_call("org.bluez", u->path, "org.bluez.Headset", "SetProperty"));
+ dbus_message_iter_init_append(m, &it);
+ dbus_message_iter_append_basic(&it, DBUS_TYPE_STRING, &spkgain);
+ dbus_message_iter_open_container(&it, DBUS_TYPE_VARIANT, DBUS_TYPE_UINT16_AS_STRING, &itvar);
+ dbus_message_iter_append_basic(&itvar, DBUS_TYPE_UINT16, &vol);
+ dbus_message_iter_close_container(&it, &itvar);
+
+ r = dbus_connection_send_with_reply_and_block(pa_dbus_connection_get(u->conn), m, -1, &e);
+
+finish:
+ if (m)
+ dbus_message_unref(m);
+ if (r)
+ dbus_message_unref(r);
+
+ dbus_error_free(&e);
+
+ return 0;
+}
+
+static int source_set_volume_cb(pa_source *s) {
+ dbus_uint16_t vol;
+ struct userdata *u = s->userdata;
+ pa_assert(u);
+
+ vol = ((float)pa_cvolume_max(&s->volume) / PA_VOLUME_NORM) * 15;
+
+ pa_log_debug("set headset mic volume: %d (not implemented yet)", vol);
+
+ return 0;
+}
+
int pa__init(pa_module* m) {
int e;
pa_modargs *ma;
pa_sink_new_data data;
struct pollfd *pollfd;
struct userdata *u;
+ DBusError err;
+ char *tmp;
pa_assert(m);
+ dbus_error_init(&err);
+
m->userdata = u = pa_xnew0(struct userdata, 1);
u->module = m;
u->core = m->core;
pa_log_error("Failed to get rate from module arguments");
goto fail;
}
+ u->path = pa_xstrdup(pa_modargs_get_value(ma, "path", NULL));
channels = u->ss.channels;
if (pa_modargs_get_value_u32(ma, "channels", &channels) < 0) {
goto fail;
}
pa_sink_put(u->sink);
+ if (!u->path)
+ goto end;
+
+ /* connect to the bus */
+ u->conn = pa_dbus_bus_get(m->core, DBUS_BUS_SYSTEM, &err);
+ if (dbus_error_is_set(&err) || (u->conn == NULL) ) {
+ pa_log("Failed to get D-Bus connection: %s", err.message);
+ goto fail;
+ }
+ /* monitor property changes */
+ if (!dbus_connection_add_filter(pa_dbus_connection_get(u->conn), filter_cb, u, NULL)) {
+ pa_log_error("Failed to add filter function");
+ goto fail;
+ }
+
+ if (pa_streq(u->profile, "hsp")) {
+
+ tmp = pa_sprintf_malloc("type='signal',sender='org.bluez',interface='org.bluez.Headset',member='PropertyChanged',path='%s'", u->path);
+ dbus_bus_add_match(pa_dbus_connection_get(u->conn), tmp, &err);
+ pa_xfree(tmp);
+ if (dbus_error_is_set(&err)) {
+ pa_log_error("Unable to subscribe to org.bluez.Headset signals: %s: %s", err.name, err.message);
+ goto fail;
+ }
+ } else {
+
+ tmp = pa_sprintf_malloc("type='signal',sender='org.bluez',interface='org.bluez.AudioSink',member='PropertyChanged',path='%s'", u->path);
+ dbus_bus_add_match(pa_dbus_connection_get(u->conn), tmp, &err);
+ pa_xfree(tmp);
+ if (dbus_error_is_set(&err)) {
+ pa_log_error("Unable to subscribe to org.bluez.AudioSink signals: %s: %s", err.name, err.message);
+ goto fail;
+ }
+ }
+
+ u->sink->get_volume = sink_get_volume_cb;
+ u->sink->set_volume = sink_set_volume_cb;
+ if (u->source) {
+ u->source->get_volume = source_get_volume_cb;
+ u->source->set_volume = source_set_volume_cb;
+ }
+
+end:
pa_modargs_free(ma);
return 0;
if (!(u = m->userdata))
return;
+ if (u->conn) {
+ DBusError error;
+ char *tmp;
+ dbus_error_init(&error);
+
+ if (pa_streq(u->profile, "hsp")) {
+ tmp = pa_sprintf_malloc("type='signal',sender='org.bluez',interface='org.bluez.Headset',member='PropertyChanged',path='%s'", u->path);
+ dbus_bus_remove_match(pa_dbus_connection_get(u->conn), tmp, &error);
+ pa_xfree(tmp);
+ dbus_error_free(&error);
+ } else {
+ tmp = pa_sprintf_malloc("type='signal',sender='org.bluez',interface='org.bluez.AudioSink',member='PropertyChanged',path='%s'", u->path);
+ dbus_bus_remove_match(pa_dbus_connection_get(u->conn), tmp, &error);
+ pa_xfree(tmp);
+ dbus_error_free(&error);
+ }
+
+ dbus_connection_remove_filter(pa_dbus_connection_get(u->conn), filter_cb, u);
+
+ pa_dbus_connection_unref(u->conn);
+ }
+
+ if (u->path)
+ pa_xfree(u->path);
+
if (u->sink)
pa_sink_unlink(u->sink);