[pulseaudio-discuss] [RFC next v0 02/11] bluetooth: Add basic backend->core notifications
Mikel Astiz
mikel.astiz.oss at gmail.com
Wed May 15 01:46:47 PDT 2013
From: Mikel Astiz <mikel.astiz at bmw-carit.de>
Make a clear split to define an API implementing transport operations,
and how these backends should report the events to the Bluetooth core.
---
src/modules/bluetooth/bluetooth-util.c | 143 +++++++++++++++++++++++----------
src/modules/bluetooth/bluetooth-util.h | 7 ++
2 files changed, 106 insertions(+), 44 deletions(-)
diff --git a/src/modules/bluetooth/bluetooth-util.c b/src/modules/bluetooth/bluetooth-util.c
index b8fe450..2e3203e 100644
--- a/src/modules/bluetooth/bluetooth-util.c
+++ b/src/modules/bluetooth/bluetooth-util.c
@@ -588,7 +588,6 @@ static int parse_audio_property(pa_bluetooth_device *d, const char *interface, D
if (pa_streq(key, "State")) {
pa_bt_audio_state_t state = audio_state_from_string(value);
- pa_bluetooth_transport_state_t old_state;
pa_log_debug("Device %s interface %s property 'State' changed to value '%s'", d->path, interface, value);
@@ -607,16 +606,7 @@ static int parse_audio_property(pa_bluetooth_device *d, const char *interface, D
if (!transport)
break;
- old_state = transport->state;
- transport->state = audio_state_to_transport_state(state);
-
- if (transport->state != old_state) {
- pa_log_debug("Transport %s (profile %s) changed state from %s to %s.", transport->path,
- pa_bt_profile_to_string(transport->profile), transport_state_to_string(old_state),
- transport_state_to_string(transport->state));
-
- pa_hook_fire(&d->discovery->hooks[PA_BLUETOOTH_HOOK_TRANSPORT_STATE_CHANGED], transport);
- }
+ pa_bt_backend_notify_state(transport, audio_state_to_transport_state(state));
}
break;
@@ -628,8 +618,6 @@ static int parse_audio_property(pa_bluetooth_device *d, const char *interface, D
dbus_message_iter_get_basic(&variant_i, &value);
if (pa_streq(key, "MicrophoneGain")) {
- uint16_t gain;
-
pa_log_debug("dbus: property '%s' changed to value '%u'", key, value);
if (!transport) {
@@ -637,14 +625,8 @@ static int parse_audio_property(pa_bluetooth_device *d, const char *interface, D
return -1;
}
- if ((gain = PA_MIN(value, HSP_MAX_GAIN)) == transport->microphone_gain)
- break;
-
- transport->microphone_gain = gain;
- pa_hook_fire(&d->discovery->hooks[PA_BLUETOOTH_HOOK_TRANSPORT_MICROPHONE_GAIN_CHANGED], transport);
+ pa_bt_backend_notify_microphone_gain(transport, PA_MIN(value, HSP_MAX_GAIN));
} else if (pa_streq(key, "SpeakerGain")) {
- uint16_t gain;
-
pa_log_debug("dbus: property '%s' changed to value '%u'", key, value);
if (!transport) {
@@ -652,11 +634,7 @@ static int parse_audio_property(pa_bluetooth_device *d, const char *interface, D
return -1;
}
- if ((gain = PA_MIN(value, HSP_MAX_GAIN)) == transport->speaker_gain)
- break;
-
- transport->speaker_gain = gain;
- pa_hook_fire(&d->discovery->hooks[PA_BLUETOOTH_HOOK_TRANSPORT_SPEAKER_GAIN_CHANGED], transport);
+ pa_bt_backend_notify_speaker_gain(transport, PA_MIN(value, HSP_MAX_GAIN));
}
break;
@@ -1101,11 +1079,8 @@ static int transport_parse_property(pa_bluetooth_transport *t, DBusMessageIter *
dbus_bool_t value;
dbus_message_iter_get_basic(&variant_i, &value);
- if (pa_streq(key, "NREC") && t->nrec != value) {
- t->nrec = value;
- pa_log_debug("Transport %s: Property 'NREC' changed to %s.", t->path, t->nrec ? "True" : "False");
- pa_hook_fire(&t->device->discovery->hooks[PA_BLUETOOTH_HOOK_TRANSPORT_NREC_CHANGED], t);
- }
+ if (pa_streq(key, "NREC"))
+ pa_bt_backend_notify_nrec(t, value);
break;
}
@@ -1777,20 +1752,8 @@ static DBusMessage *endpoint_clear_configuration(DBusConnection *c, DBusMessage
goto fail;
}
- if ((t = pa_hashmap_get(y->transports, path))) {
- bool old_any_connected = pa_bluetooth_device_any_audio_connected(t->device);
-
- pa_log_debug("Clearing transport %s profile %d", t->path, t->profile);
- t->device->transports[t->profile] = NULL;
- pa_hashmap_remove(y->transports, t->path);
- t->state = PA_BLUETOOTH_TRANSPORT_STATE_DISCONNECTED;
- pa_hook_fire(&y->hooks[PA_BLUETOOTH_HOOK_TRANSPORT_STATE_CHANGED], t);
-
- if (old_any_connected != pa_bluetooth_device_any_audio_connected(t->device))
- run_callback(t->device, false);
-
- transport_free(t);
- }
+ if ((t = pa_hashmap_get(y->transports, path)))
+ pa_bt_backend_notify_transport_removed(t);
pa_assert_se(r = dbus_message_new_method_return(m));
@@ -2313,3 +2276,95 @@ void pa_bt_backend_unregister(pa_bluetooth_discovery *y, pa_bluetooth_backend *b
y->profiles[p].backend = NULL;
y->profiles[p].backend_private = NULL;
}
+
+void pa_bt_backend_notify_transport_removed(pa_bluetooth_transport *t) {
+ pa_bluetooth_discovery *y;
+ pa_bluetooth_device *d;
+ bool old_any_connected;
+
+ pa_assert(t);
+ pa_assert_se(d = t->device);
+ pa_assert_se(y = d->discovery);
+
+ old_any_connected = pa_bluetooth_device_any_audio_connected(d);
+
+ pa_log_debug("Removing transport %s profile %d", t->path, t->profile);
+
+ d->transports[t->profile] = NULL;
+ pa_hashmap_remove(y->transports, t->path);
+ t->state = PA_BLUETOOTH_TRANSPORT_STATE_DISCONNECTED;
+ pa_hook_fire(&y->hooks[PA_BLUETOOTH_HOOK_TRANSPORT_STATE_CHANGED], t);
+
+ if (old_any_connected != pa_bluetooth_device_any_audio_connected(d))
+ run_callback(d, false);
+
+ transport_free(t);
+}
+
+void pa_bt_backend_notify_state(pa_bluetooth_transport *t, pa_bluetooth_transport_state_t state) {
+ pa_bluetooth_discovery *y;
+ pa_bluetooth_device *d;
+
+ pa_assert(t);
+ pa_assert_se(d = t->device);
+ pa_assert_se(y = d->discovery);
+
+ if (t->state == state)
+ return;
+
+ pa_log_debug("Transport %s (profile %s) changed state from %s to %s.", t->path,
+ pa_bt_profile_to_string(t->profile), transport_state_to_string(t->state),
+ transport_state_to_string(state));
+
+ t->state = state;
+
+ pa_hook_fire(&d->discovery->hooks[PA_BLUETOOTH_HOOK_TRANSPORT_STATE_CHANGED], t);
+}
+
+void pa_bt_backend_notify_nrec(pa_bluetooth_transport *t, bool nrec) {
+ pa_bluetooth_discovery *y;
+ pa_bluetooth_device *d;
+
+ pa_assert(t);
+ pa_assert_se(d = t->device);
+ pa_assert_se(y = d->discovery);
+
+ if (t->nrec == nrec)
+ return;
+
+ t->nrec = nrec;
+ pa_log_debug("Transport %s: Property 'NREC' changed to %s.", t->path, t->nrec ? "True" : "False");
+ pa_hook_fire(&y->hooks[PA_BLUETOOTH_HOOK_TRANSPORT_NREC_CHANGED], t);
+}
+
+void pa_bt_backend_notify_microphone_gain(pa_bluetooth_transport *t, uint16_t value) {
+ pa_bluetooth_discovery *y;
+ pa_bluetooth_device *d;
+
+ pa_assert(t);
+ pa_assert_se(d = t->device);
+ pa_assert_se(y = d->discovery);
+ pa_assert(value <= HSP_MAX_GAIN);
+
+ if (t->microphone_gain == value)
+ return;
+
+ t->microphone_gain = value;
+ pa_hook_fire(&y->hooks[PA_BLUETOOTH_HOOK_TRANSPORT_MICROPHONE_GAIN_CHANGED], t);
+}
+
+void pa_bt_backend_notify_speaker_gain(pa_bluetooth_transport *t, uint16_t value) {
+ pa_bluetooth_discovery *y;
+ pa_bluetooth_device *d;
+
+ pa_assert(t);
+ pa_assert_se(d = t->device);
+ pa_assert_se(y = d->discovery);
+ pa_assert(value <= HSP_MAX_GAIN);
+
+ if (t->speaker_gain == value)
+ return;
+
+ t->speaker_gain = value;
+ pa_hook_fire(&y->hooks[PA_BLUETOOTH_HOOK_TRANSPORT_SPEAKER_GAIN_CHANGED], t);
+}
diff --git a/src/modules/bluetooth/bluetooth-util.h b/src/modules/bluetooth/bluetooth-util.h
index 969f489..3f54802 100644
--- a/src/modules/bluetooth/bluetooth-util.h
+++ b/src/modules/bluetooth/bluetooth-util.h
@@ -187,4 +187,11 @@ struct pa_bluetooth_backend {
int pa_bt_backend_register(pa_bluetooth_discovery *y, pa_bluetooth_backend *b, enum profile p, void *bp);
void pa_bt_backend_unregister(pa_bluetooth_discovery *y, pa_bluetooth_backend *b, enum profile p);
+/* Reporting of events from backend to Bluetooth core */
+void pa_bt_backend_notify_transport_removed(pa_bluetooth_transport *t);
+void pa_bt_backend_notify_state(pa_bluetooth_transport *t, pa_bluetooth_transport_state_t state);
+void pa_bt_backend_notify_nrec(pa_bluetooth_transport *t, bool nrec);
+void pa_bt_backend_notify_microphone_gain(pa_bluetooth_transport *t, uint16_t value);
+void pa_bt_backend_notify_speaker_gain(pa_bluetooth_transport *t, uint16_t value);
+
#endif
--
1.8.1.4
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