mirror of
https://gitlab.freedesktop.org/pipewire/pipewire.git
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bluez5: Create backend skeleton for HFP support using oFono
This commit is contained in:
Frédéric Danis
Wim Taymans
parent
82dab3ab4e
commit
9b6dd9461e
4 changed files with 451 additions and 8 deletions
430
spa/plugins/bluez5/backend-ofono.c
Normal file
430
spa/plugins/bluez5/backend-ofono.c
Normal file
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@ -0,0 +1,430 @@
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/* Spa oFono backend
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*
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* Copyright © 2020 Collabora Ltd.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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#include <errno.h>
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#include <dbus/dbus.h>
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#include <spa/support/log.h>
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#include <spa/support/loop.h>
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#include <spa/support/dbus.h>
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#include <spa/support/plugin.h>
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#include <spa/utils/type.h>
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#include "defs.h"
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struct spa_bt_backend {
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struct spa_bt_monitor *monitor;
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struct spa_log *log;
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struct spa_loop *main_loop;
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struct spa_dbus *dbus;
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struct spa_dbus_connection *dbus_connection;
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DBusConnection *conn;
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unsigned int filters_added:1;
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};
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#define OFONO_SERVICE "org.ofono"
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#define OFONO_HF_AUDIO_MANAGER_INTERFACE OFONO_SERVICE ".HandsfreeAudioManager"
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#define OFONO_HF_AUDIO_AGENT_INTERFACE OFONO_SERVICE ".HandsfreeAudioAgent"
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#define OFONO_AUDIO_CLIENT "/Profile/ofono"
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#define OFONO_INTROSPECT_XML \
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DBUS_INTROSPECT_1_0_XML_DOCTYPE_DECL_NODE \
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"<node>" \
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" <interface name=\"" OFONO_HF_AUDIO_AGENT_INTERFACE "\">" \
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" <method name=\"Release\">" \
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" </method>" \
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" <method name=\"NewConnection\">" \
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" <arg name=\"card\" direction=\"in\" type=\"o\"/>" \
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" <arg name=\"fd\" direction=\"in\" type=\"h\"/>" \
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" <arg name=\"codec\" direction=\"in\" type=\"b\"/>" \
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" </method>" \
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" </interface>" \
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" <interface name=\"org.freedesktop.DBus.Introspectable\">" \
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" <method name=\"Introspect\">" \
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" <arg name=\"data\" type=\"s\" direction=\"out\"/>" \
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" </method>" \
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" </interface>" \
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"</node>"
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#define OFONO_ERROR_INVALID_ARGUMENTS "org.ofono.Error.InvalidArguments"
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#define OFONO_ERROR_IN_USE "org.ofono.Error.InUse"
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static DBusHandlerResult ofono_audio_card_removed(struct spa_bt_backend *backend, const char *path)
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{
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spa_log_debug(backend->log, "oFono card removed: %s", path);
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return DBUS_HANDLER_RESULT_HANDLED;
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}
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static DBusHandlerResult ofono_audio_card_found(struct spa_bt_backend *backend, char *path, DBusMessageIter *props_i)
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{
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spa_log_debug(backend->log, "oFono new card: %s", path);
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return DBUS_HANDLER_RESULT_HANDLED;
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}
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static DBusHandlerResult ofono_release(DBusConnection *conn, DBusMessage *m, void *userdata)
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{
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struct spa_bt_backend *backend = userdata;
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DBusMessage *r;
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spa_log_warn(backend->log, "oFono release");
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r = dbus_message_new_error(m, OFONO_HF_AUDIO_AGENT_INTERFACE ".Error.NotImplemented",
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"Method not implemented");
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if (r == NULL)
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return DBUS_HANDLER_RESULT_NEED_MEMORY;
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if (!dbus_connection_send(conn, r, NULL))
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return DBUS_HANDLER_RESULT_NEED_MEMORY;
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dbus_message_unref(r);
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return DBUS_HANDLER_RESULT_HANDLED;
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}
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static DBusHandlerResult ofono_new_audio_connection(DBusConnection *conn, DBusMessage *m, void *userdata)
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{
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struct spa_bt_backend *backend = userdata;
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const char *path;
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int fd;
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uint8_t codec;
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DBusMessage *r = NULL;
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if (dbus_message_get_args(m, NULL,
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DBUS_TYPE_OBJECT_PATH, &path,
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DBUS_TYPE_UNIX_FD, &fd,
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DBUS_TYPE_BYTE, &codec,
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DBUS_TYPE_INVALID) == FALSE) {
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r = dbus_message_new_error(m, OFONO_ERROR_INVALID_ARGUMENTS, "Invalid arguments in method call");
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goto fail;
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}
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spa_log_debug(backend->log, "NewConnection %s, fd %d codec %d", path, fd, codec);
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fail:
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if (r) {
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dbus_connection_send(spa_dbus_connection_get(backend->dbus_connection), r, NULL);
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dbus_message_unref(r);
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}
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return DBUS_HANDLER_RESULT_HANDLED;
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}
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static DBusHandlerResult ofono_handler(DBusConnection *c, DBusMessage *m, void *userdata)
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{
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struct spa_bt_backend *backend = userdata;
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const char *path, *interface, *member;
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DBusMessage *r;
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DBusHandlerResult res;
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path = dbus_message_get_path(m);
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interface = dbus_message_get_interface(m);
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member = dbus_message_get_member(m);
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spa_log_debug(backend->log, "dbus: path=%s, interface=%s, member=%s", path, interface, member);
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if (dbus_message_is_method_call(m, "org.freedesktop.DBus.Introspectable", "Introspect")) {
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const char *xml = OFONO_INTROSPECT_XML;
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if ((r = dbus_message_new_method_return(m)) == NULL)
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return DBUS_HANDLER_RESULT_NEED_MEMORY;
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if (!dbus_message_append_args(r, DBUS_TYPE_STRING, &xml, DBUS_TYPE_INVALID))
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return DBUS_HANDLER_RESULT_NEED_MEMORY;
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if (!dbus_connection_send(backend->conn, r, NULL))
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return DBUS_HANDLER_RESULT_NEED_MEMORY;
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dbus_message_unref(r);
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res = DBUS_HANDLER_RESULT_HANDLED;
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}
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else if (dbus_message_is_method_call(m, OFONO_HF_AUDIO_AGENT_INTERFACE, "Release"))
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res = ofono_release(c, m, userdata);
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else if (dbus_message_is_method_call(m, OFONO_HF_AUDIO_AGENT_INTERFACE, "NewConnection"))
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res = ofono_new_audio_connection(c, m, userdata);
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else
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res = DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
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return res;
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}
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static void ofono_getcards_reply(DBusPendingCall *pending, void *user_data)
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{
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struct spa_bt_backend *backend = user_data;
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DBusMessage *r;
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DBusMessageIter i, array_i, struct_i, props_i;
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r = dbus_pending_call_steal_reply(pending);
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if (r == NULL)
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return;
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if (dbus_message_get_type(r) == DBUS_MESSAGE_TYPE_ERROR) {
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spa_log_error(backend->log, "Failed to get a list of handsfree audio cards from ofono: %s",
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dbus_message_get_error_name(r));
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goto finish;
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}
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if (!dbus_message_iter_init(r, &i) || strcmp(dbus_message_get_signature(r), "a(oa{sv})") != 0) {
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spa_log_error(backend->log, "Invalid arguments in GetCards() reply");
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goto finish;
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}
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dbus_message_iter_recurse(&i, &array_i);
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while (dbus_message_iter_get_arg_type(&array_i) != DBUS_TYPE_INVALID) {
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char *path;
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dbus_message_iter_recurse(&array_i, &struct_i);
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dbus_message_iter_get_basic(&struct_i, &path);
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dbus_message_iter_next(&struct_i);
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dbus_message_iter_recurse(&struct_i, &props_i);
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ofono_audio_card_found(backend, path, &props_i);
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dbus_message_iter_next(&array_i);
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}
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finish:
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dbus_message_unref(r);
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dbus_pending_call_unref(pending);
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}
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static void ofono_register_reply(DBusPendingCall *pending, void *user_data)
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{
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struct spa_bt_backend *backend = user_data;
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DBusMessage *r;
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DBusMessage *m;
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DBusPendingCall *call;
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r = dbus_pending_call_steal_reply(pending);
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if (r == NULL)
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return;
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if (dbus_message_is_error(r, OFONO_ERROR_INVALID_ARGUMENTS)) {
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spa_log_warn(backend->log, "oFono invalid arguments");
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goto finish;
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}
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if (dbus_message_is_error(r, OFONO_ERROR_IN_USE)) {
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spa_log_warn(backend->log, "oFono already in use");
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goto finish;
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}
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if (dbus_message_is_error(r, DBUS_ERROR_UNKNOWN_METHOD)) {
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spa_log_warn(backend->log, "Error registering profile");
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goto finish;
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}
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if (dbus_message_get_type(r) == DBUS_MESSAGE_TYPE_ERROR) {
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spa_log_error(backend->log, "RegisterProfile() failed: %s",
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dbus_message_get_error_name(r));
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goto finish;
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}
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spa_log_debug(backend->log, "oFono registered");
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m = dbus_message_new_method_call(OFONO_SERVICE, "/",
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OFONO_HF_AUDIO_MANAGER_INTERFACE, "GetCards");
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if (m == NULL)
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goto finish;
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dbus_connection_send_with_reply(backend->conn, m, &call, -1);
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dbus_pending_call_set_notify(call, ofono_getcards_reply, backend, NULL);
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dbus_message_unref(m);
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finish:
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dbus_message_unref(r);
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dbus_pending_call_unref(pending);
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}
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static int ofono_register(struct spa_bt_backend *backend)
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{
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DBusMessage *m;
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const char *path = OFONO_AUDIO_CLIENT;
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uint8_t codecs[2];
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const uint8_t *pcodecs = codecs;
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int ncodecs = 0;
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DBusPendingCall *call;
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spa_log_debug(backend->log, "Registering oFono");
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m = dbus_message_new_method_call(OFONO_SERVICE, "/",
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OFONO_HF_AUDIO_MANAGER_INTERFACE, "Register");
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if (m == NULL)
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return -ENOMEM;
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codecs[ncodecs++] = HFP_AUDIO_CODEC_CVSD;
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dbus_message_append_args(m, DBUS_TYPE_OBJECT_PATH, &path,
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DBUS_TYPE_ARRAY, DBUS_TYPE_BYTE, &pcodecs, ncodecs,
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DBUS_TYPE_INVALID);
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dbus_connection_send_with_reply(backend->conn, m, &call, -1);
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dbus_pending_call_set_notify(call, ofono_register_reply, backend, NULL);
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dbus_message_unref(m);
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return 0;
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}
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static DBusHandlerResult ofono_filter_cb(DBusConnection *bus, DBusMessage *m, void *user_data)
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{
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struct spa_bt_backend *backend = user_data;
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DBusError err;
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dbus_error_init(&err);
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if (dbus_message_is_signal(m, "org.freedesktop.DBus", "NameOwnerChanged")) {
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const char *name, *old_owner, *new_owner;
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if (!dbus_message_get_args(m, &err,
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DBUS_TYPE_STRING, &name,
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DBUS_TYPE_STRING, &old_owner,
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DBUS_TYPE_STRING, &new_owner,
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DBUS_TYPE_INVALID)) {
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spa_log_error(backend->log, "Failed to parse org.freedesktop.DBus.NameOwnerChanged: %s", err.message);
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goto fail;
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}
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if (strcmp(name, OFONO_SERVICE) == 0) {
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if (old_owner && *old_owner) {
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spa_log_debug(backend->log, "oFono disappeared");
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//ofono_bus_id_destroy(backend);
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}
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if (new_owner && *new_owner) {
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spa_log_debug(backend->log, "oFono appeared");
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ofono_register(backend);
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}
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} else {
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spa_log_debug(backend->log, "Name owner changed %s", dbus_message_get_path(m));
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}
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} else if (dbus_message_is_signal(m, OFONO_HF_AUDIO_MANAGER_INTERFACE, "CardAdded")) {
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char *p;
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DBusMessageIter arg_i, props_i;
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if (!dbus_message_iter_init(m, &arg_i) || strcmp(dbus_message_get_signature(m), "oa{sv}") != 0) {
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spa_log_error(backend->log, "Failed to parse org.ofono.HandsfreeAudioManager.CardAdded");
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goto fail;
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}
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dbus_message_iter_get_basic(&arg_i, &p);
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dbus_message_iter_next(&arg_i);
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spa_assert(dbus_message_iter_get_arg_type(&arg_i) == DBUS_TYPE_ARRAY);
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dbus_message_iter_recurse(&arg_i, &props_i);
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return ofono_audio_card_found(backend, p, &props_i);
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} else if (dbus_message_is_signal(m, OFONO_HF_AUDIO_MANAGER_INTERFACE, "CardRemoved")) {
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const char *p;
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if (!dbus_message_get_args(m, &err, DBUS_TYPE_OBJECT_PATH, &p, DBUS_TYPE_INVALID)) {
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spa_log_error(backend->log, "Failed to parse org.ofono.HandsfreeAudioManager.CardRemoved: %s", err.message);
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goto fail;
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}
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return ofono_audio_card_removed(backend, p);
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}
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return DBUS_HANDLER_RESULT_HANDLED;
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fail:
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return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
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}
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void backend_ofono_add_filters(struct spa_bt_backend *backend)
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{
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DBusError err;
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|
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if (backend->filters_added)
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return;
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dbus_error_init(&err);
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if (!dbus_connection_add_filter(backend->conn, ofono_filter_cb, backend, NULL)) {
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spa_log_error(backend->log, "failed to add filter function");
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goto fail;
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}
|
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dbus_bus_add_match(backend->conn,
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"type='signal',sender='org.freedesktop.DBus',"
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"interface='org.freedesktop.DBus',member='NameOwnerChanged',"
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"arg0='" OFONO_SERVICE "'", &err);
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dbus_bus_add_match(backend->conn,
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"type='signal',sender='" OFONO_SERVICE "',"
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"interface='" OFONO_HF_AUDIO_MANAGER_INTERFACE "',member='CardAdded'", &err);
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dbus_bus_add_match(backend->conn,
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"type='signal',sender='" OFONO_SERVICE "',"
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"interface='" OFONO_HF_AUDIO_MANAGER_INTERFACE "',member='CardRemoved'", &err);
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backend->filters_added = true;
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return;
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fail:
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dbus_error_free(&err);
|
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}
|
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|
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void backend_ofono_free(struct spa_bt_backend *backend)
|
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{
|
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dbus_connection_unregister_object_path(backend->conn, OFONO_AUDIO_CLIENT);
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|
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free(backend);
|
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}
|
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|
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struct spa_bt_backend *backend_ofono_new(struct spa_bt_monitor *monitor,
|
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const struct spa_support *support,
|
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uint32_t n_support)
|
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{
|
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struct spa_bt_backend *backend;
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static const DBusObjectPathVTable vtable_profile = {
|
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.message_function = ofono_handler,
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};
|
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|
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backend = calloc(1, sizeof(struct spa_bt_backend));
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if (backend == NULL)
|
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return NULL;
|
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|
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backend->monitor = monitor;
|
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backend->log = spa_support_find(support, n_support, SPA_TYPE_INTERFACE_Log);
|
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backend->dbus = spa_support_find(support, n_support, SPA_TYPE_INTERFACE_DBus);
|
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backend->main_loop = spa_support_find(support, n_support, SPA_TYPE_INTERFACE_Loop);
|
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|
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backend->dbus_connection = spa_dbus_get_connection(backend->dbus, SPA_DBUS_TYPE_SYSTEM);
|
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if (backend->dbus_connection == NULL) {
|
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spa_log_error(backend->log, "no dbus connection");
|
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free(backend);
|
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return NULL;
|
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}
|
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backend->conn = spa_dbus_connection_get(backend->dbus_connection);
|
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|
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if (!dbus_connection_register_object_path(backend->conn,
|
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OFONO_AUDIO_CLIENT,
|
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&vtable_profile, backend)) {
|
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free(backend);
|
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return NULL;
|
||||
}
|
||||
|
||||
ofono_register(backend);
|
||||
|
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return backend;
|
||||
}
|
||||
|
|
@ -74,6 +74,7 @@ struct spa_bt_monitor {
|
|||
unsigned int filters_added:1;
|
||||
|
||||
struct spa_bt_backend *backend_hsp_native;
|
||||
struct spa_bt_backend *backend_ofono;
|
||||
};
|
||||
|
||||
static inline void add_dict(struct spa_pod_builder *builder, const char *key, const char *val)
|
||||
|
|
@ -1396,11 +1397,6 @@ static void interface_added(struct spa_bt_monitor *monitor,
|
|||
}
|
||||
else if (strcmp(interface_name, BLUEZ_PROFILE_MANAGER_INTERFACE) == 0) {
|
||||
backend_hsp_native_register_profiles(monitor->backend_hsp_native);
|
||||
/* HFP Profiles should be managed by an external program */
|
||||
/*
|
||||
register_profile(monitor, PROFILE_HFP_AG, SPA_BT_UUID_HFP_AG);
|
||||
register_profile(monitor, PROFILE_HFP_HS, SPA_BT_UUID_HFP_HF);
|
||||
*/
|
||||
}
|
||||
else if (strcmp(interface_name, BLUEZ_DEVICE_INTERFACE) == 0) {
|
||||
struct spa_bt_device *d;
|
||||
|
|
@ -1626,6 +1622,9 @@ impl_device_add_listener(void *object, struct spa_hook *listener,
|
|||
add_filters(this);
|
||||
get_managed_objects(this);
|
||||
|
||||
if (this->backend_ofono)
|
||||
backend_ofono_add_filters(this->backend_ofono);
|
||||
|
||||
spa_hook_list_join(&this->hooks, &save);
|
||||
|
||||
return 0;
|
||||
|
|
@ -1674,6 +1673,11 @@ static int impl_clear(struct spa_handle *handle)
|
|||
monitor->backend_hsp_native = NULL;
|
||||
}
|
||||
|
||||
if (monitor->backend_ofono) {
|
||||
backend_ofono_free(monitor->backend_ofono);
|
||||
monitor->backend_ofono = NULL;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
|
@ -1730,6 +1734,7 @@ impl_init(const struct spa_handle_factory *factory,
|
|||
spa_list_init(&this->transport_list);
|
||||
|
||||
this->backend_hsp_native = backend_hsp_native_new(this, support, n_support);
|
||||
this->backend_ofono = backend_ofono_new(this, support, n_support);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
|
|
|||
|
|
@ -102,11 +102,12 @@ extern "C" {
|
|||
|
||||
#define PROFILE_HSP_AG "/Profile/HSPAG"
|
||||
#define PROFILE_HSP_HS "/Profile/HSPHS"
|
||||
#define PROFILE_HFP_AG "/Profile/HFPAG"
|
||||
#define PROFILE_HFP_HS "/Profile/HFPHS"
|
||||
|
||||
#define HSP_HS_DEFAULT_CHANNEL 3
|
||||
|
||||
#define HFP_AUDIO_CODEC_CVSD 0x01
|
||||
#define HFP_AUDIO_CODEC_MSBC 0x02
|
||||
|
||||
enum spa_bt_profile {
|
||||
SPA_BT_PROFILE_NULL = 0,
|
||||
SPA_BT_PROFILE_A2DP_SINK = (1 << 0),
|
||||
|
|
@ -298,6 +299,12 @@ struct spa_bt_backend *backend_hsp_native_new(struct spa_bt_monitor *monitor,
|
|||
void backend_hsp_native_free(struct spa_bt_backend *backend);
|
||||
void backend_hsp_native_register_profiles(struct spa_bt_backend *backend);
|
||||
|
||||
struct spa_bt_backend *backend_ofono_new(struct spa_bt_monitor *monitor,
|
||||
const struct spa_support *support,
|
||||
uint32_t n_support);
|
||||
void backend_ofono_free(struct spa_bt_backend *backend);
|
||||
void backend_ofono_add_filters(struct spa_bt_backend *backend);
|
||||
|
||||
#ifdef __cplusplus
|
||||
} /* extern "C" */
|
||||
#endif
|
||||
|
|
|
|||
|
|
@ -7,7 +7,8 @@ bluez5_sources = ['plugin.c',
|
|||
'sco-source.c',
|
||||
'bluez5-device.c',
|
||||
'bluez5-dbus.c',
|
||||
'backend-hsp-native.c']
|
||||
'backend-hsp-native.c',
|
||||
'backend-ofono.c']
|
||||
|
||||
bluez5lib = shared_library('spa-bluez5',
|
||||
bluez5_sources,
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue