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Tue, 30 May 2023 14:14:05 +0000 From: Silviu Florian Barbulescu To: linux-bluetooth@vger.kernel.org Cc: Silviu Florian Barbulescu Subject: [PATCH BlueZ v3 2/4] Update bluetoothctl with support for broadcast source Date: Tue, 30 May 2023 17:13:37 +0300 Message-Id: <20230530141339.100733-3-silviu.barbulescu@nxp.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230530141339.100733-1-silviu.barbulescu@nxp.com> References: <20230530141339.100733-1-silviu.barbulescu@nxp.com> X-ClientProxiedBy: AM0PR07CA0021.eurprd07.prod.outlook.com (2603:10a6:208:ac::34) To VI1PR04MB5344.eurprd04.prod.outlook.com (2603:10a6:803:4b::31) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: VI1PR04MB5344:EE_|DBBPR04MB7913:EE_ X-MS-Office365-Filtering-Correlation-Id: fd4e0179-ae7d-4406-b788-08db61182036 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; 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To test the current implementation use bluetoothctl with the following commands: endpoint.register 00001852-0000-1000-8000-00805f9b34fb 0x06 transport.acquire /org/bluez/hci0/dev_00_00_00_00_00_00/pac_broadcast0/fd0 transport.send /org/bluez/hci0/dev_00_00_00_00_00_00/pac_broadcast0/fd0 --- client/player.c | 223 ++++++++++++++++++++++++++++++++++++++++++------ 1 file changed, 199 insertions(+), 24 deletions(-) diff --git a/client/player.c b/client/player.c index a9f56fb94..be22e8ab9 100644 --- a/client/player.c +++ b/client/player.c @@ -74,11 +74,13 @@ struct endpoint { bool auto_accept; bool acquiring; uint8_t max_transports; - uint8_t cig; - uint8_t cis; + uint8_t iso_group; + uint8_t iso_stream; char *transport; DBusMessage *msg; struct preset *preset; + bool broadcast; + struct iovec *bcode; }; static DBusConnection *dbus_conn; @@ -104,6 +106,22 @@ struct transport { struct io *timer_io; }; +static const uint8_t base_lc3_16_2_1[] = { + 0x28, 0x00, 0x00, /* Presentation Delay */ + 0x01, /* Number of Subgroups */ + 0x01, /* Number of BIS */ + 0x06, 0x00, 0x00, 0x00, 0x00, /* Code ID = LC3 (0x06) */ + 0x11, /* Codec Specific Configuration */ + 0x02, 0x01, 0x03, /* 16 KHZ */ + 0x02, 0x02, 0x01, /* 10 ms */ + 0x05, 0x03, 0x01, 0x00, 0x00, 0x00, /* Front Left */ + 0x03, 0x04, 0x28, 0x00, /* Frame Length 40 bytes */ + 0x04, /* Metadata */ + 0x03, 0x02, 0x02, 0x00, /* Audio Context: Convertional */ + 0x01, /* BIS */ + 0x00, /* Codec Specific Configuration */ +}; + static void endpoint_unregister(void *data) { struct endpoint *ep = data; @@ -1154,6 +1172,16 @@ static const struct capabilities { CODEC_CAPABILITIES(PAC_SOURCE_UUID, LC3_ID, LC3_DATA(LC3_FREQ_ANY, LC3_DURATION_ANY, 3u, 30, 240)), + /* Broadcast LC3 Source: + * + * Frequencies: 8Khz 11Khz 16Khz 22Khz 24Khz 32Khz 44.1Khz 48Khz + * Duration: 7.5 ms 10 ms + * Channel count: 3 + * Frame length: 30-240 + */ + CODEC_CAPABILITIES(BAA_SERVICE_UUID, LC3_ID, + LC3_DATA(LC3_FREQ_ANY, LC3_DURATION_ANY, + 3u, 30, 240)), }; struct codec_qos { @@ -1435,6 +1463,7 @@ static struct preset { PRESET(A2DP_SINK_UUID, A2DP_CODEC_SBC, sbc_presets, 6), PRESET(PAC_SINK_UUID, LC3_ID, lc3_presets, 3), PRESET(PAC_SOURCE_UUID, LC3_ID, lc3_presets, 3), + PRESET(BAA_SERVICE_UUID, LC3_ID, lc3_presets, 3), }; static void parse_vendor_codec(const char *codec, uint16_t *vid, uint16_t *cid) @@ -1707,6 +1736,27 @@ struct endpoint_config { const struct codec_qos *qos; }; +#define BCODE {0x01, 0x02, 0x68, 0x05, 0x53, 0xf1, 0x41, 0x5a, \ + 0xa2, 0x65, 0xbb, 0xaf, 0xc6, 0xea, 0x03, 0xb8} + +static struct bt_iso_qos bcast_qos = { + .bcast = { + .big = BT_ISO_QOS_BIG_UNSET, + .bis = BT_ISO_QOS_BIS_UNSET, + .sync_interval = 0x07, + .packing = 0x00, + .framing = 0x00, + .encryption = 0x00, + .bcode = BCODE, + .options = 0x00, + .skip = 0x0000, + .sync_timeout = 0x4000, + .sync_cte_type = 0x00, + .mse = 0x00, + .timeout = 0x4000, + } + }; + static void append_properties(DBusMessageIter *iter, struct endpoint_config *cfg) { @@ -1714,6 +1764,7 @@ static void append_properties(DBusMessageIter *iter, struct codec_qos *qos = (void *)cfg->qos; const char *key = "Capabilities"; const char *meta = "Metadata"; + const char *keyBCode = "BroadcastCode"; dbus_message_iter_open_container(iter, DBUS_TYPE_ARRAY, "{sv}", &dict); @@ -1742,16 +1793,27 @@ static void append_properties(DBusMessageIter *iter, DBUS_TYPE_BYTE, &cfg->target_latency); } - if (cfg->ep->cig != BT_ISO_QOS_CIG_UNSET) { - bt_shell_printf("CIG 0x%2.2x\n", cfg->ep->cig); + if ((!cfg->ep->broadcast) && + (cfg->ep->iso_group != BT_ISO_QOS_GROUP_UNSET)) { + bt_shell_printf("CIG 0x%2.2x\n", cfg->ep->iso_group); g_dbus_dict_append_entry(&dict, "CIG", DBUS_TYPE_BYTE, - &cfg->ep->cig); + &cfg->ep->iso_group); + } else { + bt_shell_printf("BIG 0x%2.2x\n", bcast_qos.bcast.big); + g_dbus_dict_append_entry(&dict, "BIG", DBUS_TYPE_BYTE, + &bcast_qos.bcast.big); } - if (cfg->ep->cis != BT_ISO_QOS_CIS_UNSET) { - bt_shell_printf("CIS 0x%2.2x\n", cfg->ep->cis); + if ((!cfg->ep->broadcast) && + (cfg->ep->iso_stream != BT_ISO_QOS_STREAM_UNSET)) { + bt_shell_printf("CIS 0x%2.2x\n", cfg->ep->iso_stream); g_dbus_dict_append_entry(&dict, "CIS", DBUS_TYPE_BYTE, - &cfg->ep->cis); + &cfg->ep->iso_stream); + + } else { + bt_shell_printf("BIS 0x%2.2x\n", bcast_qos.bcast.bis); + g_dbus_dict_append_entry(&dict, "BIS", DBUS_TYPE_BYTE, + &bcast_qos.bcast.bis); } bt_shell_printf("Interval %u\n", qos->interval); @@ -1759,10 +1821,19 @@ static void append_properties(DBusMessageIter *iter, g_dbus_dict_append_entry(&dict, "Interval", DBUS_TYPE_UINT32, &qos->interval); - bt_shell_printf("Framing %s\n", qos->framing ? "true" : "false"); + if (!cfg->ep->broadcast) { + bt_shell_printf("Framing %s\n", + qos->framing ? "true" : "false"); - g_dbus_dict_append_entry(&dict, "Framing", DBUS_TYPE_BOOLEAN, - &qos->framing); + g_dbus_dict_append_entry(&dict, "Framing", DBUS_TYPE_BOOLEAN, + &qos->framing); + } else { + bt_shell_printf("Framing %s\n", + bcast_qos.bcast.framing ? "true" : "false"); + + g_dbus_dict_append_entry(&dict, "Framing", DBUS_TYPE_BOOLEAN, + &bcast_qos.bcast.framing); + } bt_shell_printf("PHY %s\n", qos->phy); @@ -1787,6 +1858,57 @@ static void append_properties(DBusMessageIter *iter, g_dbus_dict_append_entry(&dict, "Delay", DBUS_TYPE_UINT32, &qos->delay); + if (!cfg->ep->broadcast) + goto done; + + bt_shell_printf("SyncInterval %u\n", bcast_qos.bcast.sync_interval); + + g_dbus_dict_append_entry(&dict, "SyncInterval", DBUS_TYPE_BYTE, + &bcast_qos.bcast.sync_interval); + + bt_shell_printf("Encryption %u\n", bcast_qos.bcast.encryption); + + g_dbus_dict_append_entry(&dict, "Encryption", DBUS_TYPE_BYTE, + &bcast_qos.bcast.encryption); + + bt_shell_printf("Options %u\n", bcast_qos.bcast.options); + + g_dbus_dict_append_entry(&dict, "Options", DBUS_TYPE_BYTE, + &bcast_qos.bcast.options); + + bt_shell_printf("Skip %u\n", bcast_qos.bcast.skip); + + g_dbus_dict_append_entry(&dict, "Skip", DBUS_TYPE_UINT16, + &bcast_qos.bcast.skip); + + bt_shell_printf("SyncTimeout %u\n", bcast_qos.bcast.sync_timeout); + + g_dbus_dict_append_entry(&dict, "SyncTimeout", DBUS_TYPE_UINT16, + &bcast_qos.bcast.sync_timeout); + + bt_shell_printf("SyncCteType %u\n", bcast_qos.bcast.sync_cte_type); + + g_dbus_dict_append_entry(&dict, "SyncCteType", DBUS_TYPE_BYTE, + &bcast_qos.bcast.sync_cte_type); + + bt_shell_printf("MSE %u\n", bcast_qos.bcast.mse); + + g_dbus_dict_append_entry(&dict, "MSE", DBUS_TYPE_BYTE, + &bcast_qos.bcast.mse); + + bt_shell_printf("Timeout %u\n", bcast_qos.bcast.timeout); + + g_dbus_dict_append_entry(&dict, "Timeout", DBUS_TYPE_UINT16, + &bcast_qos.bcast.timeout); + + bt_shell_printf("BroadcastCode:\n"); + bt_shell_hexdump(cfg->ep->bcode->iov_base, cfg->ep->bcode->iov_len); + + g_dbus_dict_append_basic_array(&dict, DBUS_TYPE_STRING, &keyBCode, + DBUS_TYPE_BYTE, + &cfg->ep->bcode->iov_base, + cfg->ep->bcode->iov_len); + done: dbus_message_iter_close_container(iter, &dict); } @@ -1826,8 +1948,18 @@ static DBusMessage *endpoint_select_properties_reply(struct endpoint *ep, cfg = new0(struct endpoint_config, 1); cfg->ep = ep; - /* Copy capabilities */ - iov_append(&cfg->caps, preset->data.iov_base, preset->data.iov_len); + if (ep->broadcast) { + iov_append(&cfg->ep->bcode, bcast_qos.bcast.bcode, + sizeof(bcast_qos.bcast.bcode)); + /* Copy capabilities for broadcast*/ + iov_append(&cfg->caps, base_lc3_16_2_1, + sizeof(base_lc3_16_2_1)); + } else { + /* Copy capabilities */ + iov_append(&cfg->caps, preset->data.iov_base, + preset->data.iov_len); + } + cfg->target_latency = preset->target_latency; /* Copy metadata */ @@ -2239,14 +2371,14 @@ fail: } -static void endpoint_cis(const char *input, void *user_data) +static void endpoint_iso_stream(const char *input, void *user_data) { struct endpoint *ep = user_data; char *endptr = NULL; int value; if (!strcasecmp(input, "a") || !strcasecmp(input, "auto")) { - ep->cis = BT_ISO_QOS_CIS_UNSET; + ep->iso_stream = BT_ISO_QOS_STREAM_UNSET; } else { value = strtol(input, &endptr, 0); @@ -2255,20 +2387,20 @@ static void endpoint_cis(const char *input, void *user_data) return bt_shell_noninteractive_quit(EXIT_FAILURE); } - ep->cis = value; + ep->iso_stream = value; } endpoint_register(ep); } -static void endpoint_cig(const char *input, void *user_data) +static void endpoint_iso_group(const char *input, void *user_data) { struct endpoint *ep = user_data; char *endptr = NULL; int value; if (!strcasecmp(input, "a") || !strcasecmp(input, "auto")) { - ep->cig = BT_ISO_QOS_CIG_UNSET; + ep->iso_group = BT_ISO_QOS_GROUP_UNSET; } else { value = strtol(input, &endptr, 0); @@ -2277,10 +2409,15 @@ static void endpoint_cig(const char *input, void *user_data) return bt_shell_noninteractive_quit(EXIT_FAILURE); } - ep->cig = value; + ep->iso_group = value; } - bt_shell_prompt_input(ep->path, "CIS (auto/value):", endpoint_cis, ep); + if (!ep->broadcast) + bt_shell_prompt_input(ep->path, "CIS (auto/value):", + endpoint_iso_stream, ep); + else + bt_shell_prompt_input(ep->path, "BIS (auto/value):", + endpoint_iso_stream, ep); } static void endpoint_max_transports(const char *input, void *user_data) @@ -2302,13 +2439,24 @@ static void endpoint_max_transports(const char *input, void *user_data) ep->max_transports = value; } - bt_shell_prompt_input(ep->path, "CIG (auto/value):", endpoint_cig, ep); + if (ep->broadcast) + bt_shell_prompt_input(ep->path, "BIG (auto/value):", + endpoint_iso_group, ep); + else + bt_shell_prompt_input(ep->path, "CIG (auto/value):", + endpoint_iso_group, ep); } static void endpoint_auto_accept(const char *input, void *user_data) { struct endpoint *ep = user_data; + if (!strcmp(ep->uuid, BAA_SERVICE_UUID)) { + ep->broadcast = true; + } else { + ep->broadcast = false; + } + if (!strcasecmp(input, "y") || !strcasecmp(input, "yes")) { ep->auto_accept = true; bt_shell_prompt_input(ep->path, "Max Transports (auto/value):", @@ -2321,7 +2469,12 @@ static void endpoint_auto_accept(const char *input, void *user_data) return bt_shell_noninteractive_quit(EXIT_FAILURE); } - bt_shell_prompt_input(ep->path, "CIG (auto/value):", endpoint_cig, ep); + if (ep->broadcast) + bt_shell_prompt_input(ep->path, "BIG (auto/value):", + endpoint_iso_group, ep); + else + bt_shell_prompt_input(ep->path, "CIG (auto/value):", + endpoint_iso_group, ep); } static void endpoint_set_metadata(const char *input, void *user_data) @@ -3050,8 +3203,8 @@ static void register_endpoints(GDBusProxy *proxy) ep->cid); ep->max_transports = UINT8_MAX; ep->auto_accept = true; - ep->cig = BT_ISO_QOS_CIG_UNSET; - ep->cis = BT_ISO_QOS_CIS_UNSET; + ep->iso_group = BT_ISO_QOS_GROUP_UNSET; + ep->iso_stream = BT_ISO_QOS_STREAM_UNSET; endpoint_register(ep); } } @@ -3595,6 +3748,7 @@ static void cmd_acquire_transport(int argc, char *argv[]) { GDBusProxy *proxy; int i; + struct endpoint *ep, *link; for (i = 1; i < argc; i++) { proxy = g_dbus_proxy_lookup(transports, NULL, argv[i], @@ -3610,6 +3764,27 @@ static void cmd_acquire_transport(int argc, char *argv[]) return bt_shell_noninteractive_quit(EXIT_FAILURE); } + ep = find_ep_by_transport(g_dbus_proxy_get_path(proxy)); + if (!ep || ep->acquiring) { + bt_shell_printf("Transport %s already in acquiring process\n", + argv[i]); + return bt_shell_noninteractive_quit(EXIT_FAILURE); + } + + ep->acquiring = true; + + link = find_link_by_proxy(proxy); + if (link) { + bt_shell_printf("Link %s found\n", link->transport); + /* If link already acquiring wait it to be complete */ + if (link->acquiring) { + bt_shell_printf("Link %s already in acquiring process\n", + argv[i]); + return bt_shell_noninteractive_quit(EXIT_FAILURE); + } + link->acquiring = true; + } + if (!g_dbus_proxy_method_call(proxy, "Acquire", NULL, acquire_reply, proxy, NULL)) { bt_shell_printf("Failed acquire transport\n");