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Tue, 8 Aug 2023 11:53:11 +0000 From: Claudia Draghicescu To: linux-bluetooth@vger.kernel.org Cc: iulia.tanasescu@nxp.com, mihai-octavian.urzica@nxp.com, silviu.barbulescu@nxp.com, vlad.pruteanu@nxp.com, andrei.istodorescu@nxp.com, Claudia Draghicescu Subject: [PATCH BlueZ v5 5/7] bap: Add support for BAP broadcast sink Date: Tue, 8 Aug 2023 14:50:38 +0300 Message-Id: <20230808115040.4403-6-claudia.rosu@nxp.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230808115040.4403-1-claudia.rosu@nxp.com> References: <20230808115040.4403-1-claudia.rosu@nxp.com> X-ClientProxiedBy: AM9P192CA0001.EURP192.PROD.OUTLOOK.COM (2603:10a6:20b:21d::6) To GV1PR04MB9151.eurprd04.prod.outlook.com (2603:10a6:150:26::9) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: GV1PR04MB9151:EE_|DUZPR04MB10062:EE_ X-MS-Office365-Filtering-Correlation-Id: 7518b616-9eb0-4b60-3941-08db98060a0b X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:GV1PR04MB9151.eurprd04.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230028)(4636009)(366004)(376002)(346002)(396003)(136003)(39860400002)(1800799003)(186006)(451199021)(83380400001)(2616005)(52116002)(6916009)(38100700002)(38350700002)(41300700001)(2906002)(4326008)(5660300002)(30864003)(316002)(8676002)(8936002)(66476007)(66946007)(66556008)(6512007)(86362001)(478600001)(6666004)(6486002)(6506007)(36756003)(26005)(1076003);DIR:OUT;SFP:1101; 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This feature was tested using bluetoothctl with the following commands: [bluetooth]# endpoint.register 00001851-0000-1000-8000-00805f9b34fb 0x06 [bluetooth]# scan on [NEW] Endpoint /org/bluez/hci0/dev_XX_XX_XX_XX_XX_XX/pac_bcast0 [bluetooth]# endpoint.config /org/bluez/hci0/dev_XX_XX_XX_XX_XX_XX/pac_bcast0 /local/endpoint/ep0 16_2_1 --- profiles/audio/bap.c | 334 ++++++++++++++++++++++++++++++++++++++----- src/shared/bap.c | 139 +++++++++++++++--- src/shared/bap.h | 6 +- 3 files changed, 424 insertions(+), 55 deletions(-) diff --git a/profiles/audio/bap.c b/profiles/audio/bap.c index 8cbb238ef..a0ac642f3 100644 --- a/profiles/audio/bap.c +++ b/profiles/audio/bap.c @@ -34,6 +34,7 @@ #include "lib/hci.h" #include "lib/sdp.h" #include "lib/uuid.h" +#include "lib/iso.h" #include "src/btd.h" #include "src/dbus-common.h" @@ -57,7 +58,9 @@ #define ISO_SOCKET_UUID "6fbaf188-05e0-496a-9885-d6ddfdb4e03e" #define PACS_UUID_STR "00001850-0000-1000-8000-00805f9b34fb" +#define BCAAS_UUID_STR "00001852-0000-1000-8000-00805f9b34fb" #define MEDIA_ENDPOINT_INTERFACE "org.bluez.MediaEndpoint1" +#define MEDIA_INTERFACE "org.bluez.Media1" struct bap_ep { char *path; @@ -186,8 +189,11 @@ static gboolean get_uuid(const GDBusPropertyTable *property, uuid = PAC_SINK_UUID; else if (queue_find(ep->data->srcs, NULL, ep)) uuid = PAC_SOURCE_UUID; - else + else if ((queue_find(ep->data->bcast, NULL, ep) + && (bt_bap_pac_get_type(ep->lpac) == BT_BAP_BCAST_SINK))) uuid = BAA_SERVICE_UUID; + else + uuid = BCAA_SERVICE_UUID; dbus_message_iter_append_basic(iter, DBUS_TYPE_STRING, &uuid); @@ -341,15 +347,18 @@ static int parse_properties(DBusMessageIter *props, struct iovec **caps, } else if (!strcasecmp(key, "PHY")) { const char *str; - if (var != DBUS_TYPE_STRING) - goto fail; - - dbus_message_iter_get_basic(&value, &str); - - if (!strcasecmp(str, "1M")) - io_qos.phy = 0x01; - else if (!strcasecmp(str, "2M")) - io_qos.phy = 0x02; + if (var == DBUS_TYPE_STRING) { + dbus_message_iter_get_basic(&value, &str); + + if (!strcasecmp(str, "1M")) + io_qos.phy = 0x01; + else if (!strcasecmp(str, "2M")) + io_qos.phy = 0x02; + else + goto fail; + } else if (var == DBUS_TYPE_BYTE) + dbus_message_iter_get_basic(&value, + &io_qos.phy); else goto fail; } else if (!strcasecmp(key, "SDU")) { @@ -556,7 +565,7 @@ static DBusMessage *set_configuration(DBusConnection *conn, DBusMessage *msg, } if (bt_bap_pac_get_type(ep->lpac) == BT_BAP_BCAST_SOURCE) { - /* Mark CIG and CIS to be auto assigned */ + /* Mark BIG and BIS to be auto assigned */ ep->qos.bcast.big = BT_ISO_QOS_BIG_UNSET; ep->qos.bcast.bis = BT_ISO_QOS_BIS_UNSET; } else { @@ -577,8 +586,12 @@ static DBusMessage *set_configuration(DBusConnection *conn, DBusMessage *msg, ep->stream = bt_bap_stream_new(ep->data->bap, ep->lpac, ep->rpac, &ep->qos, ep->caps); - ep->id = bt_bap_stream_config(ep->stream, &ep->qos, ep->caps, - config_cb, ep); + if (bt_bap_pac_get_type(ep->lpac) == BT_BAP_BCAST_SINK) + ep->id = bt_bap_stream_config(ep->stream, &ep->qos, NULL, + config_cb, ep); + else + ep->id = bt_bap_stream_config(ep->stream, &ep->qos, ep->caps, + config_cb, ep); if (!ep->id) { DBG("Unable to config stream"); free(ep->caps); @@ -597,13 +610,120 @@ static DBusMessage *set_configuration(DBusConnection *conn, DBusMessage *msg, break; case BT_BAP_STREAM_TYPE_BCAST: /* No message sent over the air for broadcast */ - ep->id = 0; + if (bt_bap_pac_get_type(ep->lpac) == BT_BAP_BCAST_SINK) + ep->msg = dbus_message_ref(msg); + else + ep->id = 0; + return g_dbus_create_reply(msg, DBUS_TYPE_INVALID); } return NULL; } +static void update_bcast_qos(struct bt_iso_qos *qos, + struct bt_bap_qos *bap_qos) +{ + bap_qos->bcast.big = qos->bcast.big; + bap_qos->bcast.bis = qos->bcast.bis; + bap_qos->bcast.sync_interval = qos->bcast.sync_interval; + bap_qos->bcast.packing = qos->bcast.packing; + bap_qos->bcast.framing = qos->bcast.framing; + bap_qos->bcast.encryption = qos->bcast.encryption; + bap_qos->bcast.options = qos->bcast.options; + bap_qos->bcast.skip = qos->bcast.skip; + bap_qos->bcast.sync_timeout = qos->bcast.sync_timeout; + bap_qos->bcast.sync_cte_type = qos->bcast.sync_cte_type; + bap_qos->bcast.mse = qos->bcast.mse; + bap_qos->bcast.timeout = qos->bcast.timeout; + bap_qos->bcast.io_qos.interval = qos->bcast.in.interval; + bap_qos->bcast.io_qos.latency = qos->bcast.in.latency; + bap_qos->bcast.io_qos.phy = qos->bcast.in.phy; + bap_qos->bcast.io_qos.sdu = qos->bcast.in.sdu; + bap_qos->bcast.io_qos.rtn = qos->bcast.in.rtn; + + bap_qos->bcast.bcode = new0(struct iovec, 1); + util_iov_memcpy(bap_qos->bcast.bcode, qos->bcast.bcode, + sizeof(qos->bcast.bcode)); +} + +static bool match_ep_type(const void *data, const void *user_data) +{ + const struct bap_ep *ep = data; + + return (bt_bap_pac_get_type(ep->lpac) == PTR_TO_INT(user_data)); +} + +static void iso_bcast_confirm_cb(GIOChannel *io, GError *err, void *user_data) +{ + struct bap_data *data = user_data; + struct bt_iso_qos qos; + struct bt_iso_base base; + char address[18]; + struct bap_ep *ep; + int fd; + struct iovec *base_io; + + bt_io_get(io, &err, + BT_IO_OPT_DEST, address, + BT_IO_OPT_QOS, &qos, + BT_IO_OPT_BASE, &base, + BT_IO_OPT_INVALID); + if (err) { + error("%s", err->message); + g_error_free(err); + goto drop; + } + + g_io_channel_ref(io); + btd_service_connecting_complete(data->service, 0); + DBG("BCAST ISO: sync with %s (BIG 0x%02x BIS 0x%02x)", + address, qos.bcast.big, qos.bcast.bis); + + ep = queue_find(data->bcast, match_ep_type, + INT_TO_PTR(BT_BAP_BCAST_SINK)); + if (!ep) { + DBG("ep not found"); + return; + } + + update_bcast_qos(&qos, &ep->qos); + + base_io = new0(struct iovec, 1); + util_iov_memcpy(base_io, base.base, base.base_len); + + if (ep->stream == NULL) + DBG("stream is null"); + ep->id = bt_bap_stream_config(ep->stream, &ep->qos, + base_io, NULL, NULL); + data->listen_io = io; + + bt_bap_stream_set_user_data(ep->stream, ep->path); + + fd = g_io_channel_unix_get_fd(io); + + if (bt_bap_stream_set_io(ep->stream, fd)) { + bt_bap_stream_enable(ep->stream, true, NULL, NULL, NULL); + g_io_channel_set_close_on_unref(io, FALSE); + return; + } + + + return; + +drop: + g_io_channel_shutdown(io, TRUE, NULL); + +} + +static bool match_data_bap_data(const void *data, const void *match_data) +{ + const struct bap_data *bdata = data; + const struct btd_adapter *adapter = match_data; + + return bdata->user_data == adapter; +} + static const GDBusMethodTable ep_methods[] = { { GDBUS_EXPERIMENTAL_ASYNC_METHOD("SetConfiguration", GDBUS_ARGS({ "endpoint", "o" }, @@ -649,15 +769,23 @@ static struct bap_ep *ep_register_bcast(struct bap_data *data, struct bt_bap_pac *lpac, struct bt_bap_pac *rpac) { - struct btd_adapter *adapter = data->user_data; + struct btd_adapter *adapter = data->adapter; + struct btd_device *device = data->device; struct bap_ep *ep; struct queue *queue; - int i, err; + int i, err = 0; const char *suffix; struct match_ep match = { lpac, rpac }; + if (!adapter) + DBG("adapter is null"); + + if (!device) + DBG("device is null"); + switch (bt_bap_pac_get_type(rpac)) { case BT_BAP_BCAST_SOURCE: + case BT_BAP_BCAST_SINK: queue = data->bcast; i = queue_length(data->bcast); suffix = "bcast"; @@ -675,8 +803,24 @@ static struct bap_ep *ep_register_bcast(struct bap_data *data, ep->lpac = lpac; ep->rpac = rpac; - err = asprintf(&ep->path, "%s/pac_%s%d", adapter_get_path(adapter), - suffix, i); + if (device) + ep->data->device = device; + + switch (bt_bap_pac_get_type(rpac)) { + case BT_BAP_BCAST_SINK: + DBG("sink"); + err = asprintf(&ep->path, "%s/pac_%s%d", + adapter_get_path(adapter), suffix, i); + DBG("sink path %s", ep->path); + break; + case BT_BAP_BCAST_SOURCE: + DBG("source"); + err = asprintf(&ep->path, "%s/pac_%s%d", + device_get_path(device), suffix, i); + DBG("source path %s", ep->path); + break; + } + if (err < 0) { error("Could not allocate path for remote pac %s/pac%d", adapter_get_path(adapter), i); @@ -685,14 +829,13 @@ static struct bap_ep *ep_register_bcast(struct bap_data *data, } if (g_dbus_register_interface(btd_get_dbus_connection(), - ep->path, MEDIA_ENDPOINT_INTERFACE, - ep_methods, NULL, ep_properties, - ep, ep_free) == FALSE) { + ep->path, MEDIA_ENDPOINT_INTERFACE, + ep_methods, NULL, ep_properties, + ep, ep_free) == FALSE) { error("Could not register remote ep %s", ep->path); ep_free(ep); return NULL; } - bt_bap_pac_set_user_data(rpac, ep->path); DBG("ep %p lpac %p rpac %p path %s", ep, ep->lpac, ep->rpac, ep->path); @@ -824,6 +967,7 @@ done: queue_foreach(ep->data->srcs, bap_config, NULL); queue_foreach(ep->data->snks, bap_config, NULL); + queue_foreach(ep->data->bcast, bap_config, NULL); } static bool pac_found(struct bt_bap_pac *lpac, struct bt_bap_pac *rpac, @@ -1310,6 +1454,46 @@ static void bap_listen_io(struct bap_data *data, struct bt_bap_stream *stream, data->listen_io = io; } +static void bap_listen_io_broadcast(struct bap_data *data, struct bap_ep *ep, + struct bt_bap_stream *stream, struct bt_iso_qos *qos) +{ + GIOChannel *io; + GError *err = NULL; + struct sockaddr_iso_bc iso_bc_addr; + + iso_bc_addr.bc_bdaddr_type = btd_device_get_bdaddr_type(data->device); + memcpy(&iso_bc_addr.bc_bdaddr, device_get_address(data->device), + sizeof(bdaddr_t)); + iso_bc_addr.bc_bis[0] = 1; + iso_bc_addr.bc_num_bis = 1; + + DBG("stream %p", stream); + + /* If IO already set skip creating it again */ + if (bt_bap_stream_get_io(stream) || data->listen_io) + return; + + io = bt_io_listen(iso_bcast_confirm_cb, NULL, ep->data, NULL, &err, + BT_IO_OPT_SOURCE_BDADDR, + btd_adapter_get_address(ep->data->adapter), + BT_IO_OPT_DEST_BDADDR, + device_get_address(data->device), + BT_IO_OPT_DEST_TYPE, + btd_device_get_bdaddr_type(data->device), + BT_IO_OPT_MODE, BT_IO_MODE_ISO, + BT_IO_OPT_QOS, &qos->bcast, + BT_IO_OPT_ISO_BC_NUM_BIS, iso_bc_addr.bc_num_bis, + BT_IO_OPT_ISO_BC_BIS, iso_bc_addr.bc_bis, + BT_IO_OPT_INVALID); + if (!io) { + error("%s", err->message); + g_error_free(err); + } else + DBG("io created"); + + ep->data->listen_io = io; + +} static void bap_create_ucast_io(struct bap_data *data, struct bap_ep *ep, struct bt_bap_stream *stream, int defer) { @@ -1364,10 +1548,10 @@ static void bap_create_bcast_io(struct bap_data *data, struct bap_ep *ep, memcpy(&iso_qos.bcast.out, &ep->qos.bcast.io_qos, sizeof(struct bt_iso_io_qos)); done: - if (ep) + if (bt_bap_pac_get_type(ep->lpac) == BT_BAP_BCAST_SOURCE) bap_connect_io_broadcast(data, ep, stream, &iso_qos); else - bap_listen_io(data, stream, &iso_qos); + bap_listen_io_broadcast(data, ep, stream, &iso_qos); } static void bap_create_io(struct bap_data *data, struct bap_ep *ep, @@ -1417,6 +1601,11 @@ static void bap_state(struct bt_bap_stream *stream, uint8_t old_state, break; case BT_BAP_STREAM_STATE_CONFIG: if (ep && !ep->id) { + if + (bt_bap_pac_get_type(ep->lpac) == BT_BAP_BCAST_SINK) { + bap_create_bcast_io(data, ep, stream, true); + return; + } bap_create_io(data, ep, stream, true); if (!ep->io) { error("Unable to create io"); @@ -1424,7 +1613,6 @@ static void bap_state(struct bt_bap_stream *stream, uint8_t old_state, return; } - if (bt_bap_stream_get_type(stream) == BT_BAP_STREAM_TYPE_UCAST) { /* Wait QoS response to respond */ @@ -1480,6 +1668,10 @@ static void pac_added_broadcast(struct bt_bap_pac *pac, void *user_data) bt_bap_foreach_pac(data->bap, BT_BAP_BCAST_SOURCE, pac_found_bcast, data); + } else if (bt_bap_pac_get_type(pac) == BT_BAP_BCAST_SINK) { + DBG("sink pac %p", pac); + bt_bap_foreach_pac(data->bap, BT_BAP_BCAST_SINK, + pac_found_bcast, data); } } @@ -1596,14 +1788,6 @@ static bool match_data(const void *data, const void *match_data) return bdata->bap == bap; } -static bool match_data_bap_data(const void *data, const void *match_data) -{ - const struct bap_data *bdata = data; - const struct btd_adapter *adapter = match_data; - - return bdata->user_data == adapter; -} - static bool io_get_qos(GIOChannel *io, struct bt_iso_qos *qos) { GError *err = NULL; @@ -1733,6 +1917,73 @@ static void bap_detached(struct bt_bap *bap, void *user_data) bap_data_remove(data); } +static int bap_bcast_probe(struct btd_service *service) +{ + struct btd_device *device = btd_service_get_device(service); + struct btd_adapter *adapter = device_get_adapter(device); + struct btd_gatt_database *database = btd_adapter_get_database(adapter); + struct bap_data *data = btd_service_get_user_data(service); + char addr[18]; + + ba2str(device_get_address(device), addr); + DBG("Device %s is a BAP broadcast source", addr); + + if (!btd_adapter_has_exp_feature(adapter, EXP_FEAT_ISO_SOCKET)) { + error("BAP requires ISO Socket which is not enabled"); + return -ENOTSUP; + } + + /* Ignore, if we were probed for this device already */ + if (data) { + error("Profile probed twice for the same device!"); + return -EINVAL; + } + + data = bap_data_new(device); + data->service = service; + data->adapter = adapter; + data->device = device; + + data->bap = bt_bap_new(btd_gatt_database_get_db(database), + btd_gatt_database_get_db(database)); + if (!data->bap) { + error("Unable to create BAP instance"); + free(data); + return -EINVAL; + } + + bap_data_add(data); + + data->ready_id = bt_bap_ready_register(data->bap, bap_ready, service, + NULL); + data->state_id = bt_bap_state_register(data->bap, bap_state, + bap_connecting, data, NULL); + data->pac_id = bt_bap_pac_register(data->bap, pac_added_broadcast, + pac_removed_broadcast, data, NULL); + + bt_bap_set_user_data(data->bap, service); + bt_bap_new_bcast_source(data->bap, device_get_path(device)); + return 0; +} + +static void bap_bcast_remove(struct btd_service *service) +{ + struct btd_device *device = btd_service_get_device(service); + struct bap_data *data; + char addr[18]; + + ba2str(device_get_address(device), addr); + DBG("%s", addr); + + data = btd_service_get_user_data(service); + if (!data) { + error("BAP service not handled by profile"); + return; + } + + bap_data_remove(data); +} + static int bap_probe(struct btd_service *service) { struct btd_device *device = btd_service_get_device(service); @@ -1854,7 +2105,7 @@ static int bap_adapter_probe(struct btd_profile *p, bap_data_add(data); - if (!bt_bap_attach_broadcast(data->bap)) { + if (!bt_bap_attach_broadcast(data->bap, BT_BAP_BCAST_SOURCE)) { error("BAP unable to attach"); return -EINVAL; } @@ -1901,6 +2152,17 @@ static struct btd_profile bap_profile = { .experimental = true, }; +static struct btd_profile bap_bcast_profile = { + .name = "bapbcast", + .priority = BTD_PROFILE_PRIORITY_MEDIUM, + .remote_uuid = BCAAS_UUID_STR, + .device_probe = bap_bcast_probe, + .device_remove = bap_bcast_remove, + .auto_connect = false, + .experimental = true, + .probe_on_discover = true, +}; + static unsigned int bap_id = 0; static int bap_init(void) @@ -1911,6 +2173,10 @@ static int bap_init(void) if (err) return err; + err = btd_profile_register(&bap_bcast_profile); + if (err) + return err; + bap_id = bt_bap_register(bap_attached, bap_detached, NULL); return 0; diff --git a/src/shared/bap.c b/src/shared/bap.c index 72ce67c08..ebeb713d5 100644 --- a/src/shared/bap.c +++ b/src/shared/bap.c @@ -633,14 +633,18 @@ static struct bt_bap_endpoint *bap_endpoint_new(struct bt_bap_db *bdb, return ep; } -static struct bt_bap_endpoint *bap_endpoint_new_broacast(struct bt_bap_db *bdb) +static struct bt_bap_endpoint *bap_endpoint_new_broadcast(struct bt_bap_db *bdb, + uint8_t type) { struct bt_bap_endpoint *ep; ep = new0(struct bt_bap_endpoint, 1); ep->bdb = bdb; ep->attr = NULL; - ep->dir = BT_BAP_BCAST_SOURCE; + if (type == BT_BAP_BCAST_SINK) + ep->dir = BT_BAP_BCAST_SOURCE; + else + ep->dir = BT_BAP_BCAST_SINK; return ep; } @@ -667,22 +671,27 @@ static struct bt_bap_endpoint *bap_get_endpoint(struct queue *endpoints, return ep; } +static bool match_ep_type(const void *data, const void *match_data) +{ + const struct bt_bap_endpoint *ep = data; + const uint8_t type = PTR_TO_INT(match_data); + + return (ep->dir == type); +} + static struct bt_bap_endpoint *bap_get_endpoint_bcast(struct queue *endpoints, - struct bt_bap_db *db) + struct bt_bap_db *db, uint8_t type) { struct bt_bap_endpoint *ep; if (!db) return NULL; - /* - * We have support for only one stream so we will have - * only one endpoint. - * TO DO add support for more then one stream - */ - if (queue_length(endpoints) > 0) - return queue_peek_head(endpoints); - ep = bap_endpoint_new_broacast(db); + ep = queue_find(endpoints, match_ep_type, INT_TO_PTR(type)); + if (ep) + return ep; + + ep = bap_endpoint_new_broadcast(db, type); if (!ep) return NULL; @@ -1317,6 +1326,8 @@ static void stream_set_state_broadcast(struct bt_bap_stream *stream, struct bt_bap *bap = stream->bap; const struct queue_entry *entry; + if (ep->old_state == state) + return; ep->old_state = ep->state; ep->state = state; @@ -1348,6 +1359,9 @@ static void stream_set_state(struct bt_bap_stream *stream, uint8_t state) ep->old_state = ep->state; ep->state = state; + if (stream->lpac->type == BT_BAP_BCAST_SINK) + goto done; + if (stream->client) goto done; @@ -2379,6 +2393,10 @@ static struct bt_bap_pac *bap_pac_find(struct bt_bap_db *bdb, uint8_t type, return queue_find(bdb->sources, match_codec, codec); case BT_BAP_SINK: return queue_find(bdb->sinks, match_codec, codec); + case BT_BAP_BCAST_SOURCE: + return queue_find(bdb->broadcast_sources, match_codec, codec); + case BT_BAP_BCAST_SINK: + return queue_find(bdb->broadcast_sinks, match_codec, codec); } return NULL; @@ -2518,7 +2536,7 @@ struct bt_bap_pac *bt_bap_add_vendor_pac(struct gatt_db *db, struct iovec *metadata) { struct bt_bap_db *bdb; - struct bt_bap_pac *pac, *pac_brodcast_sink; + struct bt_bap_pac *pac, *pac_broadcast_sink; struct bt_bap_codec codec; if (!db) @@ -2545,11 +2563,19 @@ struct bt_bap_pac *bt_bap_add_vendor_pac(struct gatt_db *db, bap_add_source(pac); break; case BT_BAP_BCAST_SOURCE: - // For broadcast add local pac and remote pac bap_add_broadcast_source(pac); - pac_brodcast_sink = bap_pac_new(bdb, name, type, &codec, qos, + if (queue_isempty(bdb->broadcast_sinks)) { + /* When adding a local broadcast source, add also a + * local broadcast sink + */ + pac_broadcast_sink = bap_pac_new(bdb, name, + BT_BAP_BCAST_SINK, &codec, qos, data, metadata); - bap_add_broadcast_sink(pac_brodcast_sink); + bap_add_broadcast_sink(pac_broadcast_sink); + } + break; + case BT_BAP_BCAST_SINK: + bap_add_broadcast_sink(pac); break; default: bap_pac_free(pac); @@ -3996,7 +4022,7 @@ clone: return true; } -bool bt_bap_attach_broadcast(struct bt_bap *bap) +bool bt_bap_attach_broadcast(struct bt_bap *bap, uint8_t type) { struct bt_bap_endpoint *ep; @@ -4008,7 +4034,7 @@ bool bt_bap_attach_broadcast(struct bt_bap *bap) queue_push_tail(sessions, bap); - ep = bap_get_endpoint_bcast(bap->remote_eps, bap->ldb); + ep = bap_get_endpoint_bcast(bap->remote_eps, bap->ldb, type); if (ep) ep->bap = bap; @@ -4221,9 +4247,19 @@ void bt_bap_foreach_pac(struct bt_bap *bap, uint8_t type, return bap_foreach_pac(bap->ldb->sinks, bap->rdb->sources, func, user_data); case BT_BAP_BCAST_SOURCE: - return bap_foreach_pac(bap->ldb->broadcast_sources, + if (queue_isempty(bap->rdb->broadcast_sources) + && queue_isempty(bap->rdb->broadcast_sinks)) + return bap_foreach_pac(bap->ldb->broadcast_sources, bap->ldb->broadcast_sinks, func, user_data); + + return bap_foreach_pac(bap->ldb->broadcast_sinks, + bap->rdb->broadcast_sources, + func, user_data); + case BT_BAP_BCAST_SINK: + return bap_foreach_pac(bap->ldb->broadcast_sinks, + bap->rdb->broadcast_sources, + func, user_data); } } @@ -4382,6 +4418,11 @@ unsigned int bt_bap_stream_config(struct bt_bap_stream *stream, return req->id; case BT_BAP_STREAM_TYPE_BCAST: stream->qos = *qos; + if (stream->lpac->type == BT_BAP_BCAST_SINK) { + if (data) + stream_config(stream, data, NULL); + stream_set_state(stream, BT_BAP_STREAM_STATE_CONFIG); + } return 1; } @@ -4446,13 +4487,19 @@ struct bt_bap_stream *bt_bap_stream_new(struct bt_bap *bap, if (rpac) type = rpac->type; else if (lpac) { - switch(lpac->type) { + switch (lpac->type) { case BT_BAP_SINK: type = BT_BAP_SOURCE; break; case BT_BAP_SOURCE: type = BT_BAP_SINK; break; + case BT_BAP_BCAST_SOURCE: + type = BT_BAP_BCAST_SINK; + break; + case BT_BAP_BCAST_SINK: + type = BT_BAP_BCAST_SOURCE; + break; default: return NULL; } @@ -4913,6 +4960,13 @@ struct io *bt_bap_stream_get_io(struct bt_bap_stream *stream) return io->io; } +bool bt_bap_match_bcast_sink_stream(const void *data, const void *user_data) +{ + const struct bt_bap_stream *stream = data; + + return stream->lpac->type == BT_BAP_BCAST_SINK; +} + static bool stream_io_disconnected(struct io *io, void *user_data) { struct bt_bap_stream *stream = user_data; @@ -4944,6 +4998,14 @@ static bool match_req_id(const void *data, const void *match_data) return (req->id == id); } +static bool match_name(const void *data, const void *match_data) +{ + const struct bt_bap_pac *pac = data; + const char *name = match_data; + + return (!strcmp(pac->name, name)); +} + int bt_bap_stream_cancel(struct bt_bap_stream *stream, unsigned int id) { struct bt_bap_req *req; @@ -5132,3 +5194,42 @@ bool bt_bap_stream_io_is_connecting(struct bt_bap_stream *stream, int *fd) return io->connecting; } + +bool bt_bap_new_bcast_source(struct bt_bap *bap, const char *name) +{ + struct bt_bap_endpoint *ep; + struct bt_bap_pac *pac_broadcast_source, *local_sink; + struct bt_bap_codec bap_codec; + + bap_codec.id = 0x06; + bap_codec.cid = 0; + bap_codec.vid = 0; + + /* Add remote source endpoint */ + if (!bap->rdb->broadcast_sources) + bap->rdb->broadcast_sources = queue_new(); + + if (queue_find(bap->rdb->broadcast_sources, match_name, name)) { + DBG(bap, "broadcast source already registered"); + return true; + } + + local_sink = queue_peek_head(bap->ldb->broadcast_sinks); + pac_broadcast_source = bap_pac_new(bap->rdb, name, BT_BAP_BCAST_SOURCE, + &bap_codec, NULL, local_sink->data, NULL); + queue_push_tail(bap->rdb->broadcast_sources, pac_broadcast_source); + + if (!pac_broadcast_source) { + DBG(bap, "No broadcast source could be created"); + return false; + } + queue_foreach(bap->pac_cbs, notify_pac_added, pac_broadcast_source); + + /* Push remote endpoint with direction sink */ + ep = bap_endpoint_new_broadcast(bap->rdb, BT_BAP_BCAST_SINK); + + if (ep) + queue_push_tail(bap->remote_eps, ep); + + return true; +} diff --git a/src/shared/bap.h b/src/shared/bap.h index 50b567663..fcacfcbed 100644 --- a/src/shared/bap.h +++ b/src/shared/bap.h @@ -186,7 +186,7 @@ struct bt_bap *bt_bap_ref(struct bt_bap *bap); void bt_bap_unref(struct bt_bap *bap); bool bt_bap_attach(struct bt_bap *bap, struct bt_gatt_client *client); -bool bt_bap_attach_broadcast(struct bt_bap *bap); +bool bt_bap_attach_broadcast(struct bt_bap *bap, uint8_t type); void bt_bap_detach(struct bt_bap *bap); bool bt_bap_set_debug(struct bt_bap *bap, bt_bap_debug_func_t cb, @@ -289,7 +289,7 @@ struct bt_bap_qos *bt_bap_stream_get_qos(struct bt_bap_stream *stream); struct iovec *bt_bap_stream_get_metadata(struct bt_bap_stream *stream); struct io *bt_bap_stream_get_io(struct bt_bap_stream *stream); - +bool bt_bap_match_bcast_sink_stream(const void *data, const void *user_data); bool bt_bap_stream_set_io(struct bt_bap_stream *stream, int fd); int bt_bap_stream_cancel(struct bt_bap_stream *stream, unsigned int id); @@ -305,3 +305,5 @@ uint8_t bt_bap_stream_io_dir(struct bt_bap_stream *stream); int bt_bap_stream_io_connecting(struct bt_bap_stream *stream, int fd); bool bt_bap_stream_io_is_connecting(struct bt_bap_stream *stream, int *fd); + +bool bt_bap_new_bcast_source(struct bt_bap *bap, const char *name);