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pulseaudio/src/modules/bluetooth/bluetooth-util.c
Arun Raghavan 62f181aa28 bluetooth: Pull a2dp-codecs.h from BlueZ 
This pulls a2dp-codecs.h from BlueZ which contains the capabilities
structures for SBC and MPEG. We currently have these manually added to
ipc.h, so pulling this header makes our files identical to upstream.
2011-03-31 11:04:39 +01:00

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/***
This file is part of PulseAudio.
Copyright 2008-2009 Joao 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, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
USA.
***/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <pulsecore/core-util.h>
#include <pulsecore/shared.h>
#include <pulsecore/dbus-shared.h>
#include "bluetooth-util.h"
#include "ipc.h"
#include "a2dp-codecs.h"
#define HFP_AG_ENDPOINT "/MediaEndpoint/HFPAG"
#define A2DP_SOURCE_ENDPOINT "/MediaEndpoint/A2DPSource"
#define A2DP_SINK_ENDPOINT "/MediaEndpoint/A2DPSink"
#define ENDPOINT_INTROSPECT_XML \
DBUS_INTROSPECT_1_0_XML_DOCTYPE_DECL_NODE \
"<node>" \
" <interface name=\"org.bluez.MediaEndpoint\">" \
" <method name=\"SetConfiguration\">" \
" <arg name=\"transport\" direction=\"in\" type=\"o\"/>" \
" <arg name=\"configuration\" direction=\"in\" type=\"ay\"/>" \
" </method>" \
" <method name=\"SelectConfiguration\">" \
" <arg name=\"capabilities\" direction=\"in\" type=\"ay\"/>" \
" <arg name=\"configuration\" direction=\"out\" type=\"ay\"/>" \
" </method>" \
" <method name=\"ClearConfiguration\">" \
" </method>" \
" <method name=\"Release\">" \
" </method>" \
" </interface>" \
" <interface name=\"org.freedesktop.DBus.Introspectable\">" \
" <method name=\"Introspect\">" \
" <arg name=\"data\" type=\"s\" direction=\"out\"/>" \
" </method>" \
" </interface>" \
"</node>"
struct pa_bluetooth_discovery {
PA_REFCNT_DECLARE;
pa_core *core;
pa_dbus_connection *connection;
PA_LLIST_HEAD(pa_dbus_pending, pending);
pa_hashmap *devices;
pa_hook hook;
pa_bool_t filter_added;
};
static void get_properties_reply(DBusPendingCall *pending, void *userdata);
static pa_dbus_pending* send_and_add_to_pending(pa_bluetooth_discovery *y, DBusMessage *m, DBusPendingCallNotifyFunction func, void *call_data);
static pa_bt_audio_state_t pa_bt_audio_state_from_string(const char* value) {
pa_assert(value);
if (pa_streq(value, "disconnected"))
return PA_BT_AUDIO_STATE_DISCONNECTED;
else if (pa_streq(value, "connecting"))
return PA_BT_AUDIO_STATE_CONNECTING;
else if (pa_streq(value, "connected"))
return PA_BT_AUDIO_STATE_CONNECTED;
else if (pa_streq(value, "playing"))
return PA_BT_AUDIO_STATE_PLAYING;
return PA_BT_AUDIO_STATE_INVALID;
}
static pa_bluetooth_uuid *uuid_new(const char *uuid) {
pa_bluetooth_uuid *u;
u = pa_xnew(pa_bluetooth_uuid, 1);
u->uuid = pa_xstrdup(uuid);
PA_LLIST_INIT(pa_bluetooth_uuid, u);
return u;
}
static void uuid_free(pa_bluetooth_uuid *u) {
pa_assert(u);
pa_xfree(u->uuid);
pa_xfree(u);
}
static pa_bluetooth_device* device_new(const char *path) {
pa_bluetooth_device *d;
d = pa_xnew(pa_bluetooth_device, 1);
d->dead = FALSE;
d->device_info_valid = 0;
d->name = NULL;
d->path = pa_xstrdup(path);
d->transports = pa_hashmap_new(pa_idxset_string_hash_func, pa_idxset_string_compare_func);
d->paired = -1;
d->alias = NULL;
d->device_connected = -1;
PA_LLIST_HEAD_INIT(pa_bluetooth_uuid, d->uuids);
d->address = NULL;
d->class = -1;
d->trusted = -1;
d->audio_state = PA_BT_AUDIO_STATE_INVALID;
d->audio_sink_state = PA_BT_AUDIO_STATE_INVALID;
d->audio_source_state = PA_BT_AUDIO_STATE_INVALID;
d->headset_state = PA_BT_AUDIO_STATE_INVALID;
d->hfgw_state = PA_BT_AUDIO_STATE_INVALID;
return d;
}
static void transport_free(pa_bluetooth_transport *t) {
pa_assert(t);
pa_xfree(t->path);
pa_xfree(t->config);
pa_xfree(t);
}
static void device_free(pa_bluetooth_device *d) {
pa_bluetooth_uuid *u;
pa_bluetooth_transport *t;
pa_assert(d);
while ((t = pa_hashmap_steal_first(d->transports)))
transport_free(t);
pa_hashmap_free(d->transports, NULL, NULL);
while ((u = d->uuids)) {
PA_LLIST_REMOVE(pa_bluetooth_uuid, d->uuids, u);
uuid_free(u);
}
pa_xfree(d->name);
pa_xfree(d->path);
pa_xfree(d->alias);
pa_xfree(d->address);
pa_xfree(d);
}
static pa_bool_t device_is_audio(pa_bluetooth_device *d) {
pa_assert(d);
return
d->device_info_valid && (d->hfgw_state != PA_BT_AUDIO_STATE_INVALID ||
(d->audio_state != PA_BT_AUDIO_STATE_INVALID &&
(d->audio_sink_state != PA_BT_AUDIO_STATE_INVALID ||
d->audio_source_state != PA_BT_AUDIO_STATE_INVALID ||
d->headset_state != PA_BT_AUDIO_STATE_INVALID)));
}
static int parse_device_property(pa_bluetooth_discovery *y, pa_bluetooth_device *d, DBusMessageIter *i) {
const char *key;
DBusMessageIter variant_i;
pa_assert(y);
pa_assert(d);
pa_assert(i);
if (dbus_message_iter_get_arg_type(i) != DBUS_TYPE_STRING) {
pa_log("Property name not a string.");
return -1;
}
dbus_message_iter_get_basic(i, &key);
if (!dbus_message_iter_next(i)) {
pa_log("Property value missing");
return -1;
}
if (dbus_message_iter_get_arg_type(i) != DBUS_TYPE_VARIANT) {
pa_log("Property value not a variant.");
return -1;
}
dbus_message_iter_recurse(i, &variant_i);
/* pa_log_debug("Parsing property org.bluez.Device.%s", key); */
switch (dbus_message_iter_get_arg_type(&variant_i)) {
case DBUS_TYPE_STRING: {
const char *value;
dbus_message_iter_get_basic(&variant_i, &value);
if (pa_streq(key, "Name")) {
pa_xfree(d->name);
d->name = pa_xstrdup(value);
} else if (pa_streq(key, "Alias")) {
pa_xfree(d->alias);
d->alias = pa_xstrdup(value);
} else if (pa_streq(key, "Address")) {
pa_xfree(d->address);
d->address = pa_xstrdup(value);
}
/* pa_log_debug("Value %s", value); */
break;
}
case DBUS_TYPE_BOOLEAN: {
dbus_bool_t value;
dbus_message_iter_get_basic(&variant_i, &value);
if (pa_streq(key, "Paired"))
d->paired = !!value;
else if (pa_streq(key, "Connected"))
d->device_connected = !!value;
else if (pa_streq(key, "Trusted"))
d->trusted = !!value;
/* pa_log_debug("Value %s", pa_yes_no(value)); */
break;
}
case DBUS_TYPE_UINT32: {
uint32_t value;
dbus_message_iter_get_basic(&variant_i, &value);
if (pa_streq(key, "Class"))
d->class = (int) value;
/* pa_log_debug("Value %u", (unsigned) value); */
break;
}
case DBUS_TYPE_ARRAY: {
DBusMessageIter ai;
dbus_message_iter_recurse(&variant_i, &ai);
if (dbus_message_iter_get_arg_type(&ai) == DBUS_TYPE_STRING &&
pa_streq(key, "UUIDs")) {
while (dbus_message_iter_get_arg_type(&ai) != DBUS_TYPE_INVALID) {
pa_bluetooth_uuid *node;
const char *value;
DBusMessage *m;
dbus_message_iter_get_basic(&ai, &value);
node = uuid_new(value);
PA_LLIST_PREPEND(pa_bluetooth_uuid, d->uuids, node);
/* Vudentz said the interfaces are here when the UUIDs are announced */
if (strcasecmp(HSP_AG_UUID, value) == 0 || strcasecmp(HFP_AG_UUID, value) == 0) {
pa_assert_se(m = dbus_message_new_method_call("org.bluez", d->path, "org.bluez.HandsfreeGateway", "GetProperties"));
send_and_add_to_pending(y, m, get_properties_reply, d);
} else if (strcasecmp(HSP_HS_UUID, value) == 0 || strcasecmp(HFP_HS_UUID, value) == 0) {
pa_assert_se(m = dbus_message_new_method_call("org.bluez", d->path, "org.bluez.Headset", "GetProperties"));
send_and_add_to_pending(y, m, get_properties_reply, d);
} else if (strcasecmp(A2DP_SINK_UUID, value) == 0) {
pa_assert_se(m = dbus_message_new_method_call("org.bluez", d->path, "org.bluez.AudioSink", "GetProperties"));
send_and_add_to_pending(y, m, get_properties_reply, d);
} else if (strcasecmp(A2DP_SOURCE_UUID, value) == 0) {
pa_assert_se(m = dbus_message_new_method_call("org.bluez", d->path, "org.bluez.AudioSource", "GetProperties"));
send_and_add_to_pending(y, m, get_properties_reply, d);
}
/* this might eventually be racy if .Audio is not there yet, but the State change will come anyway later, so this call is for cold-detection mostly */
pa_assert_se(m = dbus_message_new_method_call("org.bluez", d->path, "org.bluez.Audio", "GetProperties"));
send_and_add_to_pending(y, m, get_properties_reply, d);
if (!dbus_message_iter_next(&ai))
break;
}
}
break;
}
}
return 0;
}
static int parse_audio_property(pa_bluetooth_discovery *u, int *state, DBusMessageIter *i) {
const char *key;
DBusMessageIter variant_i;
pa_assert(u);
pa_assert(state);
pa_assert(i);
if (dbus_message_iter_get_arg_type(i) != DBUS_TYPE_STRING) {
pa_log("Property name not a string.");
return -1;
}
dbus_message_iter_get_basic(i, &key);
if (!dbus_message_iter_next(i)) {
pa_log("Property value missing");
return -1;
}
if (dbus_message_iter_get_arg_type(i) != DBUS_TYPE_VARIANT) {
pa_log("Property value not a variant.");
return -1;
}
dbus_message_iter_recurse(i, &variant_i);
/* pa_log_debug("Parsing property org.bluez.{Audio|AudioSink|AudioSource|Headset}.%s", key); */
switch (dbus_message_iter_get_arg_type(&variant_i)) {
case DBUS_TYPE_STRING: {
const char *value;
dbus_message_iter_get_basic(&variant_i, &value);
if (pa_streq(key, "State")) {
*state = pa_bt_audio_state_from_string(value);
pa_log_debug("dbus: property 'State' changed to value '%s'", value);
}
break;
}
}
return 0;
}
static void run_callback(pa_bluetooth_discovery *y, pa_bluetooth_device *d, pa_bool_t dead) {
pa_assert(y);
pa_assert(d);
if (!device_is_audio(d))
return;
d->dead = dead;
pa_hook_fire(&y->hook, d);
}
static void remove_all_devices(pa_bluetooth_discovery *y) {
pa_bluetooth_device *d;
pa_assert(y);
while ((d = pa_hashmap_steal_first(y->devices))) {
run_callback(y, d, TRUE);
device_free(d);
}
}
static pa_bluetooth_device *found_device(pa_bluetooth_discovery *y, const char* path) {
DBusMessage *m;
pa_bluetooth_device *d;
pa_assert(y);
pa_assert(path);
d = pa_hashmap_get(y->devices, path);
if (d)
return d;
d = device_new(path);
pa_hashmap_put(y->devices, d->path, d);
pa_assert_se(m = dbus_message_new_method_call("org.bluez", path, "org.bluez.Device", "GetProperties"));
send_and_add_to_pending(y, m, get_properties_reply, d);
/* Before we read the other properties (Audio, AudioSink, AudioSource,
* Headset) we wait that the UUID is read */
return d;
}
static void get_properties_reply(DBusPendingCall *pending, void *userdata) {
DBusMessage *r;
DBusMessageIter arg_i, element_i;
pa_dbus_pending *p;
pa_bluetooth_device *d;
pa_bluetooth_discovery *y;
int valid;
pa_assert_se(p = userdata);
pa_assert_se(y = p->context_data);
pa_assert_se(r = dbus_pending_call_steal_reply(pending));
/* pa_log_debug("Got %s.GetProperties response for %s", */
/* dbus_message_get_interface(p->message), */
/* dbus_message_get_path(p->message)); */
/* We don't use p->call_data here right-away since the device
* might already be invalidated at this point */
if (!(d = pa_hashmap_get(y->devices, dbus_message_get_path(p->message))))
return;
pa_assert(p->call_data == d);
valid = dbus_message_get_type(r) == DBUS_MESSAGE_TYPE_ERROR ? -1 : 1;
if (dbus_message_is_method_call(p->message, "org.bluez.Device", "GetProperties"))
d->device_info_valid = valid;
if (dbus_message_is_error(r, DBUS_ERROR_SERVICE_UNKNOWN)) {
pa_log_debug("Bluetooth daemon is apparently not available.");
remove_all_devices(y);
goto finish2;
}
if (dbus_message_get_type(r) == DBUS_MESSAGE_TYPE_ERROR) {
if (!dbus_message_is_error(r, DBUS_ERROR_UNKNOWN_METHOD))
pa_log("Error from GetProperties reply: %s", dbus_message_get_error_name(r));
goto finish;
}
if (!dbus_message_iter_init(r, &arg_i)) {
pa_log("GetProperties reply has no arguments.");
goto finish;
}
if (dbus_message_iter_get_arg_type(&arg_i) != DBUS_TYPE_ARRAY) {
pa_log("GetProperties argument is not an array.");
goto finish;
}
dbus_message_iter_recurse(&arg_i, &element_i);
while (dbus_message_iter_get_arg_type(&element_i) != DBUS_TYPE_INVALID) {
if (dbus_message_iter_get_arg_type(&element_i) == DBUS_TYPE_DICT_ENTRY) {
DBusMessageIter dict_i;
dbus_message_iter_recurse(&element_i, &dict_i);
if (dbus_message_has_interface(p->message, "org.bluez.Device")) {
if (parse_device_property(y, d, &dict_i) < 0)
goto finish;
} else if (dbus_message_has_interface(p->message, "org.bluez.Audio")) {
if (parse_audio_property(y, &d->audio_state, &dict_i) < 0)
goto finish;
} else if (dbus_message_has_interface(p->message, "org.bluez.Headset")) {
if (parse_audio_property(y, &d->headset_state, &dict_i) < 0)
goto finish;
} else if (dbus_message_has_interface(p->message, "org.bluez.AudioSink")) {
if (parse_audio_property(y, &d->audio_sink_state, &dict_i) < 0)
goto finish;
} else if (dbus_message_has_interface(p->message, "org.bluez.AudioSource")) {
if (parse_audio_property(y, &d->audio_source_state, &dict_i) < 0)
goto finish;
} else if (dbus_message_has_interface(p->message, "org.bluez.HandsfreeGateway")) {
if (parse_audio_property(y, &d->hfgw_state, &arg_i) < 0)
goto finish;
}
}
if (!dbus_message_iter_next(&element_i))
break;
}
finish:
run_callback(y, d, FALSE);
finish2:
dbus_message_unref(r);
PA_LLIST_REMOVE(pa_dbus_pending, y->pending, p);
pa_dbus_pending_free(p);
}
static pa_dbus_pending* send_and_add_to_pending(pa_bluetooth_discovery *y, DBusMessage *m, DBusPendingCallNotifyFunction func, void *call_data) {
pa_dbus_pending *p;
DBusPendingCall *call;
pa_assert(y);
pa_assert(m);
pa_assert_se(dbus_connection_send_with_reply(pa_dbus_connection_get(y->connection), m, &call, -1));
p = pa_dbus_pending_new(pa_dbus_connection_get(y->connection), m, call, y, call_data);
PA_LLIST_PREPEND(pa_dbus_pending, y->pending, p);
dbus_pending_call_set_notify(call, func, p, NULL);
return p;
}
#ifdef DBUS_TYPE_UNIX_FD
static void register_endpoint_reply(DBusPendingCall *pending, void *userdata) {
DBusError e;
DBusMessage *r;
pa_dbus_pending *p;
pa_bluetooth_discovery *y;
char *endpoint;
pa_assert(pending);
dbus_error_init(&e);
pa_assert_se(p = userdata);
pa_assert_se(y = p->context_data);
pa_assert_se(endpoint = p->call_data);
pa_assert_se(r = dbus_pending_call_steal_reply(pending));
if (dbus_message_is_error(r, DBUS_ERROR_SERVICE_UNKNOWN)) {
pa_log_debug("Bluetooth daemon is apparently not available.");
remove_all_devices(y);
goto finish;
}
if (dbus_message_is_error(r, PA_BLUETOOTH_ERROR_NOT_SUPPORTED)) {
pa_log_info("Couldn't register endpoint %s, because BlueZ is configured to disable the endpoint type.", endpoint);
goto finish;
}
if (dbus_message_get_type(r) == DBUS_MESSAGE_TYPE_ERROR) {
pa_log("Error from RegisterEndpoint reply: %s", dbus_message_get_error_name(r));
goto finish;
}
finish:
dbus_message_unref(r);
PA_LLIST_REMOVE(pa_dbus_pending, y->pending, p);
pa_dbus_pending_free(p);
pa_xfree(endpoint);
}
#endif
static void list_devices_reply(DBusPendingCall *pending, void *userdata) {
DBusError e;
DBusMessage *r;
char **paths = NULL;
int num = -1;
pa_dbus_pending *p;
pa_bluetooth_discovery *y;
pa_assert(pending);
dbus_error_init(&e);
pa_assert_se(p = userdata);
pa_assert_se(y = p->context_data);
pa_assert_se(r = dbus_pending_call_steal_reply(pending));
if (dbus_message_is_error(r, DBUS_ERROR_SERVICE_UNKNOWN)) {
pa_log_debug("Bluetooth daemon is apparently not available.");
remove_all_devices(y);
goto finish;
}
if (dbus_message_get_type(r) == DBUS_MESSAGE_TYPE_ERROR) {
pa_log("Error from ListDevices reply: %s", dbus_message_get_error_name(r));
goto finish;
}
if (!dbus_message_get_args(r, &e, DBUS_TYPE_ARRAY, DBUS_TYPE_OBJECT_PATH, &paths, &num, DBUS_TYPE_INVALID)) {
pa_log("org.bluez.Adapter.ListDevices returned an error: '%s'\n", e.message);
dbus_error_free(&e);
} else {
int i;
for (i = 0; i < num; ++i)
found_device(y, paths[i]);
}
finish:
if (paths)
dbus_free_string_array(paths);
dbus_message_unref(r);
PA_LLIST_REMOVE(pa_dbus_pending, y->pending, p);
pa_dbus_pending_free(p);
}
#ifdef DBUS_TYPE_UNIX_FD
static void register_endpoint(pa_bluetooth_discovery *y, const char *path, const char *endpoint, const char *uuid) {
DBusMessage *m;
DBusMessageIter i, d;
uint8_t codec = 0;
pa_log_debug("Registering %s on adapter %s.", endpoint, path);
pa_assert_se(m = dbus_message_new_method_call("org.bluez", path, "org.bluez.Media", "RegisterEndpoint"));
dbus_message_iter_init_append(m, &i);
dbus_message_iter_append_basic(&i, DBUS_TYPE_OBJECT_PATH, &endpoint);
dbus_message_iter_open_container(&i, DBUS_TYPE_ARRAY, DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING DBUS_DICT_ENTRY_END_CHAR_AS_STRING,
&d);
pa_dbus_append_basic_variant_dict_entry(&d, "UUID", DBUS_TYPE_STRING, &uuid);
pa_dbus_append_basic_variant_dict_entry(&d, "Codec", DBUS_TYPE_BYTE, &codec);
if (pa_streq(uuid, HFP_AG_UUID)) {
uint8_t capability = 0;
uint8_t *caps = &capability;
pa_dbus_append_basic_array_variant_dict_entry(&d, "Capabilities", DBUS_TYPE_BYTE, &caps, 1);
} else {
a2dp_sbc_t capabilities;
uint8_t *caps = (uint8_t *) &capabilities;
capabilities.channel_mode = BT_A2DP_CHANNEL_MODE_MONO | BT_A2DP_CHANNEL_MODE_DUAL_CHANNEL |
BT_A2DP_CHANNEL_MODE_STEREO | BT_A2DP_CHANNEL_MODE_JOINT_STEREO;
capabilities.frequency = BT_SBC_SAMPLING_FREQ_16000 | BT_SBC_SAMPLING_FREQ_32000 |
BT_SBC_SAMPLING_FREQ_44100 | BT_SBC_SAMPLING_FREQ_48000;
capabilities.allocation_method = BT_A2DP_ALLOCATION_SNR | BT_A2DP_ALLOCATION_LOUDNESS;
capabilities.subbands = BT_A2DP_SUBBANDS_4 | BT_A2DP_SUBBANDS_8;
capabilities.block_length = BT_A2DP_BLOCK_LENGTH_4 | BT_A2DP_BLOCK_LENGTH_8 |
BT_A2DP_BLOCK_LENGTH_12 | BT_A2DP_BLOCK_LENGTH_16;
capabilities.min_bitpool = MIN_BITPOOL;
capabilities.max_bitpool = MAX_BITPOOL;
pa_dbus_append_basic_array_variant_dict_entry(&d, "Capabilities", DBUS_TYPE_BYTE, &caps, sizeof(capabilities));
}
dbus_message_iter_close_container(&i, &d);
send_and_add_to_pending(y, m, register_endpoint_reply, pa_xstrdup(endpoint));
}
#endif
static void found_adapter(pa_bluetooth_discovery *y, const char *path) {
DBusMessage *m;
pa_assert_se(m = dbus_message_new_method_call("org.bluez", path, "org.bluez.Adapter", "ListDevices"));
send_and_add_to_pending(y, m, list_devices_reply, NULL);
#ifdef DBUS_TYPE_UNIX_FD
register_endpoint(y, path, HFP_AG_ENDPOINT, HFP_AG_UUID);
register_endpoint(y, path, A2DP_SOURCE_ENDPOINT, A2DP_SOURCE_UUID);
register_endpoint(y, path, A2DP_SINK_ENDPOINT, A2DP_SINK_UUID);
#endif
}
static void list_adapters_reply(DBusPendingCall *pending, void *userdata) {
DBusError e;
DBusMessage *r;
char **paths = NULL;
int num = -1;
pa_dbus_pending *p;
pa_bluetooth_discovery *y;
pa_assert(pending);
dbus_error_init(&e);
pa_assert_se(p = userdata);
pa_assert_se(y = p->context_data);
pa_assert_se(r = dbus_pending_call_steal_reply(pending));
if (dbus_message_is_error(r, DBUS_ERROR_SERVICE_UNKNOWN)) {
pa_log_debug("Bluetooth daemon is apparently not available.");
remove_all_devices(y);
goto finish;
}
if (dbus_message_get_type(r) == DBUS_MESSAGE_TYPE_ERROR) {
pa_log("Error from ListAdapters reply: %s", dbus_message_get_error_name(r));
goto finish;
}
if (!dbus_message_get_args(r, &e, DBUS_TYPE_ARRAY, DBUS_TYPE_OBJECT_PATH, &paths, &num, DBUS_TYPE_INVALID)) {
pa_log("org.bluez.Manager.ListAdapters returned an error: %s", e.message);
dbus_error_free(&e);
} else {
int i;
for (i = 0; i < num; ++i)
found_adapter(y, paths[i]);
}
finish:
if (paths)
dbus_free_string_array(paths);
dbus_message_unref(r);
PA_LLIST_REMOVE(pa_dbus_pending, y->pending, p);
pa_dbus_pending_free(p);
}
static void list_adapters(pa_bluetooth_discovery *y) {
DBusMessage *m;
pa_assert(y);
pa_assert_se(m = dbus_message_new_method_call("org.bluez", "/", "org.bluez.Manager", "ListAdapters"));
send_and_add_to_pending(y, m, list_adapters_reply, NULL);
}
int pa_bluetooth_transport_parse_property(pa_bluetooth_transport *t, DBusMessageIter *i)
{
const char *key;
DBusMessageIter variant_i;
if (dbus_message_iter_get_arg_type(i) != DBUS_TYPE_STRING) {
pa_log("Property name not a string.");
return -1;
}
dbus_message_iter_get_basic(i, &key);
if (!dbus_message_iter_next(i)) {
pa_log("Property value missing");
return -1;
}
if (dbus_message_iter_get_arg_type(i) != DBUS_TYPE_VARIANT) {
pa_log("Property value not a variant.");
return -1;
}
dbus_message_iter_recurse(i, &variant_i);
switch (dbus_message_iter_get_arg_type(&variant_i)) {
case DBUS_TYPE_BOOLEAN: {
pa_bool_t *value;
dbus_message_iter_get_basic(&variant_i, &value);
if (pa_streq(key, "NREC"))
t->nrec = value;
break;
}
}
return 0;
}
static DBusHandlerResult filter_cb(DBusConnection *bus, DBusMessage *m, void *userdata) {
DBusError err;
pa_bluetooth_discovery *y;
pa_assert(bus);
pa_assert(m);
pa_assert_se(y = userdata);
dbus_error_init(&err);
pa_log_debug("dbus: interface=%s, path=%s, member=%s\n",
dbus_message_get_interface(m),
dbus_message_get_path(m),
dbus_message_get_member(m));
if (dbus_message_is_signal(m, "org.bluez.Adapter", "DeviceRemoved")) {
const char *path;
pa_bluetooth_device *d;
if (!dbus_message_get_args(m, &err, DBUS_TYPE_OBJECT_PATH, &path, DBUS_TYPE_INVALID)) {
pa_log("Failed to parse org.bluez.Adapter.DeviceRemoved: %s", err.message);
goto fail;
}
pa_log_debug("Device %s removed", path);
if ((d = pa_hashmap_remove(y->devices, path))) {
run_callback(y, d, TRUE);
device_free(d);
}
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
} else if (dbus_message_is_signal(m, "org.bluez.Adapter", "DeviceCreated")) {
const char *path;
if (!dbus_message_get_args(m, &err, DBUS_TYPE_OBJECT_PATH, &path, DBUS_TYPE_INVALID)) {
pa_log("Failed to parse org.bluez.Adapter.DeviceCreated: %s", err.message);
goto fail;
}
pa_log_debug("Device %s created", path);
found_device(y, path);
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
} else if (dbus_message_is_signal(m, "org.bluez.Manager", "AdapterAdded")) {
const char *path;
if (!dbus_message_get_args(m, &err, DBUS_TYPE_OBJECT_PATH, &path, DBUS_TYPE_INVALID)) {
pa_log("Failed to parse org.bluez.Manager.AdapterAdded: %s", err.message);
goto fail;
}
pa_log_debug("Adapter %s created", path);
found_adapter(y, path);
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
} else if (dbus_message_is_signal(m, "org.bluez.Audio", "PropertyChanged") ||
dbus_message_is_signal(m, "org.bluez.Headset", "PropertyChanged") ||
dbus_message_is_signal(m, "org.bluez.AudioSink", "PropertyChanged") ||
dbus_message_is_signal(m, "org.bluez.AudioSource", "PropertyChanged") ||
dbus_message_is_signal(m, "org.bluez.HandsfreeGateway", "PropertyChanged") ||
dbus_message_is_signal(m, "org.bluez.Device", "PropertyChanged")) {
pa_bluetooth_device *d;
if ((d = pa_hashmap_get(y->devices, dbus_message_get_path(m)))) {
DBusMessageIter arg_i;
if (!dbus_message_iter_init(m, &arg_i)) {
pa_log("Failed to parse PropertyChanged: %s", err.message);
goto fail;
}
if (dbus_message_has_interface(m, "org.bluez.Device")) {
if (parse_device_property(y, d, &arg_i) < 0)
goto fail;
} else if (dbus_message_has_interface(m, "org.bluez.Audio")) {
if (parse_audio_property(y, &d->audio_state, &arg_i) < 0)
goto fail;
} else if (dbus_message_has_interface(m, "org.bluez.Headset")) {
if (parse_audio_property(y, &d->headset_state, &arg_i) < 0)
goto fail;
} else if (dbus_message_has_interface(m, "org.bluez.AudioSink")) {
if (parse_audio_property(y, &d->audio_sink_state, &arg_i) < 0)
goto fail;
} else if (dbus_message_has_interface(m, "org.bluez.AudioSource")) {
if (parse_audio_property(y, &d->audio_source_state, &arg_i) < 0)
goto fail;
} else if (dbus_message_has_interface(m, "org.bluez.HandsfreeGateway")) {
if (parse_audio_property(y, &d->hfgw_state, &arg_i) < 0)
goto fail;
}
run_callback(y, d, FALSE);
}
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
} else if (dbus_message_is_signal(m, "org.bluez.Device", "DisconnectRequested")) {
pa_bluetooth_device *d;
if ((d = pa_hashmap_get(y->devices, dbus_message_get_path(m)))) {
/* Device will disconnect in 2 sec */
d->audio_state = PA_BT_AUDIO_STATE_DISCONNECTED;
d->audio_sink_state = PA_BT_AUDIO_STATE_DISCONNECTED;
d->audio_source_state = PA_BT_AUDIO_STATE_DISCONNECTED;
d->headset_state = PA_BT_AUDIO_STATE_DISCONNECTED;
d->hfgw_state = PA_BT_AUDIO_STATE_DISCONNECTED;
run_callback(y, d, FALSE);
}
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
} else if (dbus_message_is_signal(m, "org.freedesktop.DBus", "NameOwnerChanged")) {
const char *name, *old_owner, *new_owner;
if (!dbus_message_get_args(m, &err,
DBUS_TYPE_STRING, &name,
DBUS_TYPE_STRING, &old_owner,
DBUS_TYPE_STRING, &new_owner,
DBUS_TYPE_INVALID)) {
pa_log("Failed to parse org.freedesktop.DBus.NameOwnerChanged: %s", err.message);
goto fail;
}
if (pa_streq(name, "org.bluez")) {
if (old_owner && *old_owner) {
pa_log_debug("Bluetooth daemon disappeared.");
remove_all_devices(y);
}
if (new_owner && *new_owner) {
pa_log_debug("Bluetooth daemon appeared.");
list_adapters(y);
}
}
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
} else if (dbus_message_is_signal(m, "org.bluez.MediaTransport", "PropertyChanged")) {
pa_bluetooth_device *d;
pa_bluetooth_transport *t;
void *state = NULL;
DBusMessageIter arg_i;
while ((d = pa_hashmap_iterate(y->devices, &state, NULL)))
if ((t = pa_hashmap_get(d->transports, dbus_message_get_path(m))))
break;
if (!t)
goto fail;
if (!dbus_message_iter_init(m, &arg_i)) {
pa_log("Failed to parse PropertyChanged: %s", err.message);
goto fail;
}
if (pa_bluetooth_transport_parse_property(t, &arg_i) < 0)
goto fail;
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
}
fail:
dbus_error_free(&err);
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
}
const pa_bluetooth_device* pa_bluetooth_discovery_get_by_address(pa_bluetooth_discovery *y, const char* address) {
pa_bluetooth_device *d;
void *state = NULL;
pa_assert(y);
pa_assert(PA_REFCNT_VALUE(y) > 0);
pa_assert(address);
if (!pa_hook_is_firing(&y->hook))
pa_bluetooth_discovery_sync(y);
while ((d = pa_hashmap_iterate(y->devices, &state, NULL)))
if (pa_streq(d->address, address))
return device_is_audio(d) ? d : NULL;
return NULL;
}
const pa_bluetooth_device* pa_bluetooth_discovery_get_by_path(pa_bluetooth_discovery *y, const char* path) {
pa_bluetooth_device *d;
pa_assert(y);
pa_assert(PA_REFCNT_VALUE(y) > 0);
pa_assert(path);
if (!pa_hook_is_firing(&y->hook))
pa_bluetooth_discovery_sync(y);
if ((d = pa_hashmap_get(y->devices, path)))
if (device_is_audio(d))
return d;
return NULL;
}
const pa_bluetooth_transport* pa_bluetooth_discovery_get_transport(pa_bluetooth_discovery *y, const char *path) {
pa_bluetooth_device *d;
pa_bluetooth_transport *t;
void *state = NULL;
pa_assert(y);
pa_assert(PA_REFCNT_VALUE(y) > 0);
pa_assert(path);
while ((d = pa_hashmap_iterate(y->devices, &state, NULL)))
if ((t = pa_hashmap_get(d->transports, path)))
return t;
return NULL;
}
const pa_bluetooth_transport* pa_bluetooth_device_get_transport(const pa_bluetooth_device *d, enum profile profile) {
pa_bluetooth_transport *t;
void *state = NULL;
pa_assert(d);
while ((t = pa_hashmap_iterate(d->transports, &state, NULL)))
if (t->profile == profile)
return t;
return NULL;
}
int pa_bluetooth_transport_acquire(const pa_bluetooth_transport *t, const char *accesstype, size_t *imtu, size_t *omtu) {
DBusMessage *m, *r;
DBusError err;
int ret;
uint16_t i, o;
pa_assert(t);
pa_assert(t->y);
dbus_error_init(&err);
pa_assert_se(m = dbus_message_new_method_call("org.bluez", t->path, "org.bluez.MediaTransport", "Acquire"));
pa_assert_se(dbus_message_append_args(m, DBUS_TYPE_STRING, &accesstype, DBUS_TYPE_INVALID));
r = dbus_connection_send_with_reply_and_block(pa_dbus_connection_get(t->y->connection), m, -1, &err);
if (dbus_error_is_set(&err) || !r) {
pa_log("Failed to acquire transport fd: %s", err.message);
dbus_error_free(&err);
return -1;
}
#ifdef DBUS_TYPE_UNIX_FD
if (!dbus_message_get_args(r, &err, DBUS_TYPE_UNIX_FD, &ret, DBUS_TYPE_UINT16, &i, DBUS_TYPE_UINT16, &o, DBUS_TYPE_INVALID)) {
pa_log("Failed to parse org.bluez.MediaTransport.Acquire(): %s", err.message);
ret = -1;
dbus_error_free(&err);
goto fail;
}
#endif
if (imtu)
*imtu = i;
if (omtu)
*omtu = o;
#ifdef DBUS_TYPE_UNIX_FD
fail:
#endif
dbus_message_unref(r);
return ret;
}
void pa_bluetooth_transport_release(const pa_bluetooth_transport *t, const char *accesstype) {
DBusMessage *m;
DBusError err;
pa_assert(t);
pa_assert(t->y);
dbus_error_init(&err);
pa_assert_se(m = dbus_message_new_method_call("org.bluez", t->path, "org.bluez.MediaTransport", "Release"));
pa_assert_se(dbus_message_append_args(m, DBUS_TYPE_STRING, &accesstype, DBUS_TYPE_INVALID));
dbus_connection_send_with_reply_and_block(pa_dbus_connection_get(t->y->connection), m, -1, &err);
if (dbus_error_is_set(&err)) {
pa_log("Failed to release transport %s: %s", t->path, err.message);
dbus_error_free(&err);
} else
pa_log_info("Transport %s released", t->path);
}
static int setup_dbus(pa_bluetooth_discovery *y) {
DBusError err;
dbus_error_init(&err);
y->connection = pa_dbus_bus_get(y->core, DBUS_BUS_SYSTEM, &err);
if (dbus_error_is_set(&err) || !y->connection) {
pa_log("Failed to get D-Bus connection: %s", err.message);
dbus_error_free(&err);
return -1;
}
return 0;
}
#ifdef DBUS_TYPE_UNIX_FD
static pa_bluetooth_transport *transport_new(pa_bluetooth_discovery *y, const char *path, enum profile p, const uint8_t *config, int size) {
pa_bluetooth_transport *t;
t = pa_xnew0(pa_bluetooth_transport, 1);
t->y = y;
t->path = pa_xstrdup(path);
t->profile = p;
t->config_size = size;
if (size > 0) {
t->config = pa_xnew(uint8_t, size);
memcpy(t->config, config, size);
}
return t;
}
static DBusMessage *endpoint_set_configuration(DBusConnection *conn, DBusMessage *m, void *userdata) {
pa_bluetooth_discovery *y = userdata;
pa_bluetooth_device *d;
pa_bluetooth_transport *t;
const char *path, *dev_path = NULL, *uuid = NULL;
uint8_t *config = NULL;
int size = 0;
pa_bool_t nrec;
enum profile p;
DBusMessageIter args, props;
DBusMessage *r;
dbus_message_iter_init(m, &args);
dbus_message_iter_get_basic(&args, &path);
if (!dbus_message_iter_next(&args))
goto fail;
dbus_message_iter_recurse(&args, &props);
if (dbus_message_iter_get_arg_type(&props) != DBUS_TYPE_DICT_ENTRY)
goto fail;
/* Read transport properties */
while (dbus_message_iter_get_arg_type(&props) == DBUS_TYPE_DICT_ENTRY) {
const char *key;
DBusMessageIter value, entry;
int var;
dbus_message_iter_recurse(&props, &entry);
dbus_message_iter_get_basic(&entry, &key);
dbus_message_iter_next(&entry);
dbus_message_iter_recurse(&entry, &value);
var = dbus_message_iter_get_arg_type(&value);
if (strcasecmp(key, "UUID") == 0) {
if (var != DBUS_TYPE_STRING)
goto fail;
dbus_message_iter_get_basic(&value, &uuid);
} else if (strcasecmp(key, "Device") == 0) {
if (var != DBUS_TYPE_OBJECT_PATH)
goto fail;
dbus_message_iter_get_basic(&value, &dev_path);
} else if (strcasecmp(key, "NREC") == 0) {
if (var != DBUS_TYPE_BOOLEAN)
goto fail;
dbus_message_iter_get_basic(&value, &nrec);
} else if (strcasecmp(key, "Configuration") == 0) {
DBusMessageIter array;
if (var != DBUS_TYPE_ARRAY)
goto fail;
dbus_message_iter_recurse(&value, &array);
dbus_message_iter_get_fixed_array(&array, &config, &size);
}
dbus_message_iter_next(&props);
}
d = found_device(y, dev_path);
if (!d)
goto fail;
if (dbus_message_has_path(m, HFP_AG_ENDPOINT))
p = PROFILE_HSP;
else if (dbus_message_has_path(m, A2DP_SOURCE_ENDPOINT))
p = PROFILE_A2DP;
else
p = PROFILE_A2DP_SOURCE;
t = transport_new(y, path, p, config, size);
if (nrec)
t->nrec = nrec;
pa_hashmap_put(d->transports, t->path, t);
pa_log_debug("Transport %s profile %d available", t->path, t->profile);
pa_assert_se(r = dbus_message_new_method_return(m));
return r;
fail:
pa_log("org.bluez.MediaEndpoint.SetConfiguration: invalid arguments");
pa_assert_se(r = (dbus_message_new_error(m, "org.bluez.MediaEndpoint.Error.InvalidArguments",
"Unable to set configuration")));
return r;
}
static DBusMessage *endpoint_clear_configuration(DBusConnection *c, DBusMessage *m, void *userdata) {
pa_bluetooth_discovery *y = userdata;
pa_bluetooth_device *d;
pa_bluetooth_transport *t;
void *state = NULL;
DBusMessage *r;
DBusError e;
const char *path;
dbus_error_init(&e);
if (!dbus_message_get_args(m, &e, DBUS_TYPE_OBJECT_PATH, &path, DBUS_TYPE_INVALID)) {
pa_log("org.bluez.MediaEndpoint.ClearConfiguration: %s", e.message);
dbus_error_free(&e);
goto fail;
}
while ((d = pa_hashmap_iterate(y->devices, &state, NULL))) {
if ((t = pa_hashmap_get(d->transports, path))) {
pa_log_debug("Clearing transport %s profile %d", t->path, t->profile);
pa_hashmap_remove(d->transports, t->path);
transport_free(t);
break;
}
}
pa_assert_se(r = dbus_message_new_method_return(m));
return r;
fail:
pa_assert_se(r = (dbus_message_new_error(m, "org.bluez.MediaEndpoint.Error.InvalidArguments",
"Unable to clear configuration")));
return r;
}
static uint8_t a2dp_default_bitpool(uint8_t freq, uint8_t mode) {
switch (freq) {
case BT_SBC_SAMPLING_FREQ_16000:
case BT_SBC_SAMPLING_FREQ_32000:
return 53;
case BT_SBC_SAMPLING_FREQ_44100:
switch (mode) {
case BT_A2DP_CHANNEL_MODE_MONO:
case BT_A2DP_CHANNEL_MODE_DUAL_CHANNEL:
return 31;
case BT_A2DP_CHANNEL_MODE_STEREO:
case BT_A2DP_CHANNEL_MODE_JOINT_STEREO:
return 53;
default:
pa_log_warn("Invalid channel mode %u", mode);
return 53;
}
case BT_SBC_SAMPLING_FREQ_48000:
switch (mode) {
case BT_A2DP_CHANNEL_MODE_MONO:
case BT_A2DP_CHANNEL_MODE_DUAL_CHANNEL:
return 29;
case BT_A2DP_CHANNEL_MODE_STEREO:
case BT_A2DP_CHANNEL_MODE_JOINT_STEREO:
return 51;
default:
pa_log_warn("Invalid channel mode %u", mode);
return 51;
}
default:
pa_log_warn("Invalid sampling freq %u", freq);
return 53;
}
}
static DBusMessage *endpoint_select_configuration(DBusConnection *c, DBusMessage *m, void *userdata) {
pa_bluetooth_discovery *y = userdata;
a2dp_sbc_t *cap, config;
uint8_t *pconf = (uint8_t *) &config;
int i, size;
DBusMessage *r;
DBusError e;
static const struct {
uint32_t rate;
uint8_t cap;
} freq_table[] = {
{ 16000U, BT_SBC_SAMPLING_FREQ_16000 },
{ 32000U, BT_SBC_SAMPLING_FREQ_32000 },
{ 44100U, BT_SBC_SAMPLING_FREQ_44100 },
{ 48000U, BT_SBC_SAMPLING_FREQ_48000 }
};
dbus_error_init(&e);
if (!dbus_message_get_args(m, &e, DBUS_TYPE_ARRAY, DBUS_TYPE_BYTE, &cap, &size, DBUS_TYPE_INVALID)) {
pa_log("org.bluez.MediaEndpoint.SelectConfiguration: %s", e.message);
dbus_error_free(&e);
goto fail;
}
if (dbus_message_has_path(m, HFP_AG_ENDPOINT))
goto done;
pa_assert(size == sizeof(config));
memset(&config, 0, sizeof(config));
/* Find the lowest freq that is at least as high as the requested
* sampling rate */
for (i = 0; (unsigned) i < PA_ELEMENTSOF(freq_table); i++)
if (freq_table[i].rate >= y->core->default_sample_spec.rate && (cap->frequency & freq_table[i].cap)) {
config.frequency = freq_table[i].cap;
break;
}
if ((unsigned) i == PA_ELEMENTSOF(freq_table)) {
for (--i; i >= 0; i--) {
if (cap->frequency & freq_table[i].cap) {
config.frequency = freq_table[i].cap;
break;
}
}
if (i < 0) {
pa_log("Not suitable sample rate");
goto fail;
}
}
pa_assert((unsigned) i < PA_ELEMENTSOF(freq_table));
if (y->core->default_sample_spec.channels <= 1) {
if (cap->channel_mode & BT_A2DP_CHANNEL_MODE_MONO)
config.channel_mode = BT_A2DP_CHANNEL_MODE_MONO;
}
if (y->core->default_sample_spec.channels >= 2) {
if (cap->channel_mode & BT_A2DP_CHANNEL_MODE_JOINT_STEREO)
config.channel_mode = BT_A2DP_CHANNEL_MODE_JOINT_STEREO;
else if (cap->channel_mode & BT_A2DP_CHANNEL_MODE_STEREO)
config.channel_mode = BT_A2DP_CHANNEL_MODE_STEREO;
else if (cap->channel_mode & BT_A2DP_CHANNEL_MODE_DUAL_CHANNEL)
config.channel_mode = BT_A2DP_CHANNEL_MODE_DUAL_CHANNEL;
else if (cap->channel_mode & BT_A2DP_CHANNEL_MODE_MONO) {
config.channel_mode = BT_A2DP_CHANNEL_MODE_MONO;
} else {
pa_log("No supported channel modes");
goto fail;
}
}
if (cap->block_length & BT_A2DP_BLOCK_LENGTH_16)
config.block_length = BT_A2DP_BLOCK_LENGTH_16;
else if (cap->block_length & BT_A2DP_BLOCK_LENGTH_12)
config.block_length = BT_A2DP_BLOCK_LENGTH_12;
else if (cap->block_length & BT_A2DP_BLOCK_LENGTH_8)
config.block_length = BT_A2DP_BLOCK_LENGTH_8;
else if (cap->block_length & BT_A2DP_BLOCK_LENGTH_4)
config.block_length = BT_A2DP_BLOCK_LENGTH_4;
else {
pa_log_error("No supported block lengths");
goto fail;
}
if (cap->subbands & BT_A2DP_SUBBANDS_8)
config.subbands = BT_A2DP_SUBBANDS_8;
else if (cap->subbands & BT_A2DP_SUBBANDS_4)
config.subbands = BT_A2DP_SUBBANDS_4;
else {
pa_log_error("No supported subbands");
goto fail;
}
if (cap->allocation_method & BT_A2DP_ALLOCATION_LOUDNESS)
config.allocation_method = BT_A2DP_ALLOCATION_LOUDNESS;
else if (cap->allocation_method & BT_A2DP_ALLOCATION_SNR)
config.allocation_method = BT_A2DP_ALLOCATION_SNR;
config.min_bitpool = (uint8_t) PA_MAX(MIN_BITPOOL, cap->min_bitpool);
config.max_bitpool = (uint8_t) PA_MIN(a2dp_default_bitpool(config.frequency, config.channel_mode), cap->max_bitpool);
done:
pa_assert_se(r = dbus_message_new_method_return(m));
pa_assert_se(dbus_message_append_args(
r,
DBUS_TYPE_ARRAY, DBUS_TYPE_BYTE, &pconf, size,
DBUS_TYPE_INVALID));
return r;
fail:
pa_assert_se(r = (dbus_message_new_error(m, "org.bluez.MediaEndpoint.Error.InvalidArguments",
"Unable to select configuration")));
return r;
}
static DBusHandlerResult endpoint_handler(DBusConnection *c, DBusMessage *m, void *userdata) {
struct pa_bluetooth_discovery *y = userdata;
DBusMessage *r = NULL;
DBusError e;
const char *path;
pa_assert(y);
pa_log_debug("dbus: interface=%s, path=%s, member=%s\n",
dbus_message_get_interface(m),
dbus_message_get_path(m),
dbus_message_get_member(m));
path = dbus_message_get_path(m);
dbus_error_init(&e);
if (!pa_streq(path, A2DP_SOURCE_ENDPOINT) && !pa_streq(path, A2DP_SINK_ENDPOINT) && !pa_streq(path, HFP_AG_ENDPOINT))
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
if (dbus_message_is_method_call(m, "org.freedesktop.DBus.Introspectable", "Introspect")) {
const char *xml = ENDPOINT_INTROSPECT_XML;
pa_assert_se(r = dbus_message_new_method_return(m));
pa_assert_se(dbus_message_append_args(
r,
DBUS_TYPE_STRING, &xml,
DBUS_TYPE_INVALID));
} else if (dbus_message_is_method_call(m, "org.bluez.MediaEndpoint", "SetConfiguration")) {
r = endpoint_set_configuration(c, m, userdata);
} else if (dbus_message_is_method_call(m, "org.bluez.MediaEndpoint", "SelectConfiguration")) {
r = endpoint_select_configuration(c, m, userdata);
} else if (dbus_message_is_method_call(m, "org.bluez.MediaEndpoint", "ClearConfiguration"))
r = endpoint_clear_configuration(c, m, userdata);
else
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
if (r) {
pa_assert_se(dbus_connection_send(pa_dbus_connection_get(y->connection), r, NULL));
dbus_message_unref(r);
}
return DBUS_HANDLER_RESULT_HANDLED;
}
#endif /* DBUS_TYPE_UNIX_FD */
pa_bluetooth_discovery* pa_bluetooth_discovery_get(pa_core *c) {
DBusError err;
pa_bluetooth_discovery *y;
#ifdef DBUS_TYPE_UNIX_FD
static const DBusObjectPathVTable vtable_endpoint = {
.message_function = endpoint_handler,
};
#endif
pa_assert(c);
dbus_error_init(&err);
if ((y = pa_shared_get(c, "bluetooth-discovery")))
return pa_bluetooth_discovery_ref(y);
y = pa_xnew0(pa_bluetooth_discovery, 1);
PA_REFCNT_INIT(y);
y->core = c;
y->devices = pa_hashmap_new(pa_idxset_string_hash_func, pa_idxset_string_compare_func);
PA_LLIST_HEAD_INIT(pa_dbus_pending, y->pending);
pa_hook_init(&y->hook, y);
pa_shared_set(c, "bluetooth-discovery", y);
if (setup_dbus(y) < 0)
goto fail;
/* dynamic detection of bluetooth audio devices */
if (!dbus_connection_add_filter(pa_dbus_connection_get(y->connection), filter_cb, y, NULL)) {
pa_log_error("Failed to add filter function");
goto fail;
}
y->filter_added = TRUE;
if (pa_dbus_add_matches(
pa_dbus_connection_get(y->connection), &err,
"type='signal',sender='org.freedesktop.DBus',interface='org.freedesktop.DBus',member='NameOwnerChanged',arg0='org.bluez'",
"type='signal',sender='org.bluez',interface='org.bluez.Manager',member='AdapterAdded'",
"type='signal',sender='org.bluez',interface='org.bluez.Adapter',member='DeviceRemoved'",
"type='signal',sender='org.bluez',interface='org.bluez.Adapter',member='DeviceCreated'",
"type='signal',sender='org.bluez',interface='org.bluez.Device',member='PropertyChanged'",
"type='signal',sender='org.bluez',interface='org.bluez.Device',member='DisconnectRequested'",
"type='signal',sender='org.bluez',interface='org.bluez.Audio',member='PropertyChanged'",
"type='signal',sender='org.bluez',interface='org.bluez.Headset',member='PropertyChanged'",
"type='signal',sender='org.bluez',interface='org.bluez.AudioSink',member='PropertyChanged'",
"type='signal',sender='org.bluez',interface='org.bluez.AudioSource',member='PropertyChanged'",
"type='signal',sender='org.bluez',interface='org.bluez.HandsfreeGateway',member='PropertyChanged'",
"type='signal',sender='org.bluez',interface='org.bluez.MediaTransport',member='PropertyChanged'",
NULL) < 0) {
pa_log("Failed to add D-Bus matches: %s", err.message);
goto fail;
}
#ifdef DBUS_TYPE_UNIX_FD
pa_assert_se(dbus_connection_register_object_path(pa_dbus_connection_get(y->connection), HFP_AG_ENDPOINT, &vtable_endpoint, y));
pa_assert_se(dbus_connection_register_object_path(pa_dbus_connection_get(y->connection), A2DP_SOURCE_ENDPOINT, &vtable_endpoint, y));
pa_assert_se(dbus_connection_register_object_path(pa_dbus_connection_get(y->connection), A2DP_SINK_ENDPOINT, &vtable_endpoint, y));
#endif
list_adapters(y);
return y;
fail:
if (y)
pa_bluetooth_discovery_unref(y);
dbus_error_free(&err);
return NULL;
}
pa_bluetooth_discovery* pa_bluetooth_discovery_ref(pa_bluetooth_discovery *y) {
pa_assert(y);
pa_assert(PA_REFCNT_VALUE(y) > 0);
PA_REFCNT_INC(y);
return y;
}
void pa_bluetooth_discovery_unref(pa_bluetooth_discovery *y) {
pa_assert(y);
pa_assert(PA_REFCNT_VALUE(y) > 0);
if (PA_REFCNT_DEC(y) > 0)
return;
pa_dbus_free_pending_list(&y->pending);
if (y->devices) {
remove_all_devices(y);
pa_hashmap_free(y->devices, NULL, NULL);
}
if (y->connection) {
#ifdef DBUS_TYPE_UNIX_FD
dbus_connection_unregister_object_path(pa_dbus_connection_get(y->connection), HFP_AG_ENDPOINT);
dbus_connection_unregister_object_path(pa_dbus_connection_get(y->connection), A2DP_SOURCE_ENDPOINT);
dbus_connection_unregister_object_path(pa_dbus_connection_get(y->connection), A2DP_SINK_ENDPOINT);
#endif
pa_dbus_remove_matches(pa_dbus_connection_get(y->connection),
"type='signal',sender='org.freedesktop.DBus',interface='org.freedesktop.DBus',member='NameOwnerChanged',arg0='org.bluez'",
"type='signal',sender='org.bluez',interface='org.bluez.Manager',member='AdapterAdded'",
"type='signal',sender='org.bluez',interface='org.bluez.Manager',member='AdapterRemoved'",
"type='signal',sender='org.bluez',interface='org.bluez.Adapter',member='DeviceRemoved'",
"type='signal',sender='org.bluez',interface='org.bluez.Adapter',member='DeviceCreated'",
"type='signal',sender='org.bluez',interface='org.bluez.Device',member='PropertyChanged'",
"type='signal',sender='org.bluez',interface='org.bluez.Device',member='DisconnectRequested'",
"type='signal',sender='org.bluez',interface='org.bluez.Audio',member='PropertyChanged'",
"type='signal',sender='org.bluez',interface='org.bluez.Headset',member='PropertyChanged'",
"type='signal',sender='org.bluez',interface='org.bluez.AudioSink',member='PropertyChanged'",
"type='signal',sender='org.bluez',interface='org.bluez.AudioSource',member='PropertyChanged'",
"type='signal',sender='org.bluez',interface='org.bluez.HandsfreeGateway',member='PropertyChanged'",
"type='signal',sender='org.bluez',interface='org.bluez.MediaTransport',member='PropertyChanged'",
NULL);
if (y->filter_added)
dbus_connection_remove_filter(pa_dbus_connection_get(y->connection), filter_cb, y);
pa_dbus_connection_unref(y->connection);
}
pa_hook_done(&y->hook);
if (y->core)
pa_shared_remove(y->core, "bluetooth-discovery");
pa_xfree(y);
}
void pa_bluetooth_discovery_sync(pa_bluetooth_discovery *y) {
pa_assert(y);
pa_assert(PA_REFCNT_VALUE(y) > 0);
pa_dbus_sync_pending_list(&y->pending);
}
pa_hook* pa_bluetooth_discovery_hook(pa_bluetooth_discovery *y) {
pa_assert(y);
pa_assert(PA_REFCNT_VALUE(y) > 0);
return &y->hook;
}
const char*pa_bluetooth_get_form_factor(uint32_t class) {
unsigned i;
const char *r;
static const char * const table[] = {
[1] = "headset",
[2] = "hands-free",
[4] = "microphone",
[5] = "speaker",
[6] = "headphone",
[7] = "portable",
[8] = "car",
[10] = "hifi"
};
if (((class >> 8) & 31) != 4)
return NULL;
if ((i = (class >> 2) & 63) > PA_ELEMENTSOF(table))
r = NULL;
else
r = table[i];
if (!r)
pa_log_debug("Unknown Bluetooth minor device class %u", i);
return r;
}
char *pa_bluetooth_cleanup_name(const char *name) {
char *t, *s, *d;
pa_bool_t space = FALSE;
pa_assert(name);
while ((*name >= 1 && *name <= 32) || *name >= 127)
name++;
t = pa_xstrdup(name);
for (s = d = t; *s; s++) {
if (*s <= 32 || *s >= 127 || *s == '_') {
space = TRUE;
continue;
}
if (space) {
*(d++) = ' ';
space = FALSE;
}
*(d++) = *s;
}
*d = 0;
return t;
}
pa_bool_t pa_bluetooth_uuid_has(pa_bluetooth_uuid *uuids, const char *uuid) {
pa_assert(uuid);
while (uuids) {
if (strcasecmp(uuids->uuid, uuid) == 0)
return TRUE;
uuids = uuids->next;
}
return FALSE;
}
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