Start Broadcast Audio URI profile

2025-03-29 04:20:20 +00:00 · 2024-11-07 18:34:13 +01:00 · 2024-11-07 18:34:13 +01:00 · 65dc48921a
commit 65dc48921a
parent 166d44a10c
3 changed files with 528 additions and 0 deletions
--- a/src/le-audio/broadcast_audio_uri.h
+++ b/src/le-audio/broadcast_audio_uri.h
@ -0,0 +1,72 @@
+/*
+ * Copyright (C) 2024 BlueKitchen GmbH
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the copyright holders nor the names of
+ *    contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ * 4. Any redistribution, use, or modification is done solely for
+ *    personal benefit and not for any commercial purpose or for
+ *    monetary gain.
+ *
+ * THIS SOFTWARE IS PROVIDED BY BLUEKITCHEN GMBH AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL BLUEKITCHEN
+ * GMBH OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
+ * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * Please inquire about commercial licensing options at 
+ * contact@bluekitchen-gmbh.com
+ *
+ */
+
+/**
+ *  @brief TODO
+ */
+
+#ifndef BROADCAST_AUDIO_URI_H
+#define BROADCAST_AUDIO_URI_H
+
+#if defined __cplusplus
+extern "C" {
+#endif
+
+typedef enum {
+    BROADCAST_AUDIO_URI_BROADCASTNAME,
+    BROADCAST_AUDIO_URI_ADVERTISER_ADDRESS_TYPE,
+    BROADCAST_AUDIO_URI_ADVERTISER_ADDRESS,
+    BROADCAST_AUDIO_URI_BROADCAST_ID,
+    BROADCAST_AUDIO_URI_BROADCAST_CODE,
+    BROADCAST_AUDIO_URI_STANDARD_QUALITY,
+    BROADCAST_AUDIO_URI_HIGH_QUALITY,
+    BROADCAST_AUDIO_URI_VENDOR_SPECIFIC,
+    BROADCAST_AUDIO_URI_ADVERTISING_SID,
+    BROADCAST_AUDIO_URI_PA_INTERVAL,
+    BROADCAST_AUDIO_URI_NUM_SUBGROUPS,
+    BROADCAST_AUDIO_URI_BIS_SYNC,
+    BROADCAST_AUDIO_URI_SG_NUMBER_OF_BISES,
+    BROADCAST_AUDIO_URI_SG_METADATA,
+    BROADCAST_AUDIO_URI_PUBLIC_BROADCAST,
+    BROADCAST_AUDIO_URI_ANNOUNCEMENT,
+    BROADCAST_AUDIO_URI_METADATA,
+} broadcast_audio_uri_id_t;
+
+#if defined __cplusplus
+}
+#endif
+#endif // BROADCAST_AUDIO_URI_BUILDER_H
--- a/src/le-audio/broadcast_audio_uri_builder.c
+++ b/src/le-audio/broadcast_audio_uri_builder.c
@ -0,0 +1,231 @@
+/*
+ * Copyright (C) 2024 BlueKitchen GmbH
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the copyright holders nor the names of
+ *    contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ * 4. Any redistribution, use, or modification is done solely for
+ *    personal benefit and not for any commercial purpose or for
+ *    monetary gain.
+ *
+ * THIS SOFTWARE IS PROVIDED BY BLUEKITCHEN GMBH AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL BLUEKITCHEN
+ * GMBH OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
+ * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * Please inquire about commercial licensing options at 
+ * contact@bluekitchen-gmbh.com
+ *
+ */
+
+#define BTSTACK_FILE__ "broadcast_audio_uri_builder.c"
+
+#include "le-audio/broadcast_audio_uri_builder.h"
+#include "btstack_util.h"
+#include <stdint.h>
+#include <string.h>
+#include <inttypes.h>
+
+static void broadcast_audio_uri_builder_string_hexdump(uint8_t * buffer, const uint8_t * data, uint16_t size){
+    uint8_t i;
+    for (i = 0; i < size ; i++) {
+        uint8_t byte = data[i];
+        buffer[2*i+0] = char_for_nibble(byte >> 4);
+        buffer[2*i+1] = char_for_nibble(byte & 0x0f);
+    }
+}
+
+static inline bool broadcast_audio_uri_builder_have_space(const broadcast_audio_uri_builder_t * builder, uint16_t len){
+    return builder->len + len <= builder->size;
+}
+
+void broadcast_audio_uri_builder_init(broadcast_audio_uri_builder_t * builder, uint8_t * buffer, uint16_t size){
+    builder->buffer = buffer;
+    builder->size = size;
+    builder->len = 0;
+}
+
+uint16_t broadcast_audio_uri_builder_get_remaining_space(const broadcast_audio_uri_builder_t * builder){
+    return builder->size - builder->len;
+}
+
+uint16_t broadcast_audio_uri_builder_get_size(const broadcast_audio_uri_builder_t * builder){
+    return builder->len;
+}
+
+bool broadcast_audio_uri_builder_append_bytes(broadcast_audio_uri_builder_t * builder, const uint8_t * data, uint16_t len){
+    bool ok = broadcast_audio_uri_builder_have_space(builder, len);
+    if (ok){
+        memcpy(&builder->buffer[builder->len], data, len);
+        builder->len += len;
+    }
+    return ok;
+}
+
+bool broadcast_audio_uri_builder_append_string(broadcast_audio_uri_builder_t * builder, const char * text){
+    uint16_t len = (uint16_t) strlen(text);
+    return broadcast_audio_uri_builder_append_bytes(builder, (const uint8_t *) text, len);
+}
+
+bool broadcast_audio_uri_builder_append_broadcast_name(broadcast_audio_uri_builder_t * builder, const char * broadcast_name){
+    // TODO: base64
+    return broadcast_audio_uri_builder_append_string(builder, "BN:QnJvYWRjYXN0IE5hbWU=;");
+}
+
+bool broadcast_audio_uri_builder_append_advertiser_address_type(broadcast_audio_uri_builder_t * builder, bd_addr_type_t advertiser_address_type){
+    char buffer[10];
+    btstack_snprintf_assert_complete(buffer, sizeof(buffer), "AT:%u;",advertiser_address_type == BD_ADDR_TYPE_LE_RANDOM ? 1 : 0);
+    return broadcast_audio_uri_builder_append_string(builder, buffer);
+}
+
+bool broadcast_audio_uri_builder_append_standard_quality(broadcast_audio_uri_builder_t * builder, bool standard_quality){
+    char buffer[10];
+    btstack_snprintf_assert_complete(buffer, sizeof(buffer), "SQ:%u;", (int) standard_quality);
+    return broadcast_audio_uri_builder_append_string(builder, buffer);
+}
+
+bool broadcast_audio_uri_builder_append_high_quality(broadcast_audio_uri_builder_t * builder, bool high_quality){
+    char buffer[10];
+    btstack_snprintf_assert_complete(buffer, sizeof(buffer), "HQ:%u;", (int) high_quality);
+    return broadcast_audio_uri_builder_append_string(builder, buffer);
+}
+
+bool broadcast_audio_uri_builder_append_advertiser_address(broadcast_audio_uri_builder_t * builder, bd_addr_t advertiser_address){
+    uint16_t len = builder->len;
+    bool ok = broadcast_audio_uri_builder_append_string(builder,"AD:");
+    if (ok){
+        char buffer[13];
+        broadcast_audio_uri_builder_string_hexdump((uint8_t *)buffer, (const uint8_t *) advertiser_address, 6);
+        buffer[12] = ';';
+        broadcast_audio_uri_builder_append_bytes(builder, (const uint8_t *) buffer, sizeof(buffer));
+    } else {
+        builder->len = len;
+    }
+    return ok;
+}
+
+bool broadcast_audio_uri_builder_append_broadcast_id(broadcast_audio_uri_builder_t * builder, uint32_t broadcast_id){
+    uint16_t len = builder->len;
+    bool ok = broadcast_audio_uri_builder_append_string(builder,"BI:");
+    if (ok){
+        uint8_t buffer[7];
+        uint8_t big_endian_id[3];
+        big_endian_store_24(big_endian_id, 0, broadcast_id);
+        broadcast_audio_uri_builder_string_hexdump(buffer, big_endian_id, 3);
+        buffer[6] = ';';
+        broadcast_audio_uri_builder_append_bytes(builder, (const uint8_t *) buffer, sizeof(buffer));
+    } else {
+        builder->len = len;
+    }
+    return ok;
+
+}
+
+bool broadcast_audio_uri_builder_append_broadcast_code(broadcast_audio_uri_builder_t * builder, const uint8_t * broadcast_code){
+    uint16_t len = builder->len;
+    bool ok = broadcast_audio_uri_builder_append_string(builder,"BC:");
+    if (ok){
+        uint8_t buffer[25];
+        // TODO: base64
+        memcpy(buffer, "MDEyMzQ1Njc4OWFiY2RlZg==", 24);
+        buffer[24] = ';';
+        broadcast_audio_uri_builder_append_bytes(builder, (const uint8_t *) buffer, sizeof(buffer));
+    } else {
+        builder->len = len;
+    }
+    return ok;
+}
+
+bool broadcast_audio_uri_builder_append_vendor_specific(broadcast_audio_uri_builder_t * builder, uint16_t vendor_id, const uint8_t * data, uint16_t data_len){
+    uint16_t len = builder->len;
+    bool ok = broadcast_audio_uri_builder_append_string(builder, "VS:");
+    if (ok){
+        uint8_t vendor_id_big_endian_id[2];
+        big_endian_store_16(vendor_id_big_endian_id, 0, vendor_id);
+        uint8_t vendor_id_hex[4];
+        broadcast_audio_uri_builder_string_hexdump(vendor_id_hex, vendor_id_hex, 2);
+        // TODO: base64(vendor_id_hex + data)
+        ok = broadcast_audio_uri_builder_append_string(builder, ";");
+    }
+    if (ok == false){
+        builder->len = len;
+    }
+    return ok;
+}
+
+bool broadcast_audio_uri_builder_append_advertising_sid(broadcast_audio_uri_builder_t * builder, uint8_t advertising_sid){
+    char buffer[10];
+    btstack_snprintf_assert_complete(buffer, sizeof(buffer), "AS:%02X;", advertising_sid);
+    return broadcast_audio_uri_builder_append_string(builder, buffer);
+}
+
+bool broadcast_audio_uri_builder_append_pa_interval(broadcast_audio_uri_builder_t * builder, uint16_t pa_interval){
+    char buffer[10];
+    btstack_snprintf_assert_complete(buffer, sizeof(buffer), "PI:%04" PRIX32 ";", pa_interval);
+    return broadcast_audio_uri_builder_append_string(builder, buffer);
+}
+
+bool broadcast_audio_uri_builder_append_num_subgroups(broadcast_audio_uri_builder_t * builder, uint8_t num_subgroups){
+    char buffer[10];
+    btstack_snprintf_assert_complete(buffer, sizeof(buffer), "NS:%02X", num_subgroups);
+    return broadcast_audio_uri_builder_append_string(builder, buffer);
+}
+
+bool broadcast_audio_uri_builder_append_bis_sync(broadcast_audio_uri_builder_t * builder, uint32_t bis_sync){
+    char buffer[10];
+    btstack_snprintf_assert_complete(buffer, sizeof(buffer), "BS:%04" PRIX32 ";", bis_sync);
+    return broadcast_audio_uri_builder_append_string(builder, buffer);
+}
+
+bool broadcast_audio_uri_builder_append_sg_number_of_bises(broadcast_audio_uri_builder_t * builder, uint32_t sg_number_of_bises){
+    char buffer[10];
+    btstack_snprintf_assert_complete(buffer, sizeof(buffer), "NB:%04" PRIX32 ";", sg_number_of_bises);
+    return broadcast_audio_uri_builder_append_string(builder, buffer);
+}
+
+bool broadcast_audio_uri_builder_append_sg_metadata(broadcast_audio_uri_builder_t * builder, const uint8_t * metadata, uint16_t metadata_len){
+    uint16_t len = builder->len;
+    bool ok = broadcast_audio_uri_builder_append_string(builder, "SM:");
+    if (ok && (metadata_len > 0)) {
+        // TODO: base64(data)
+        ok = broadcast_audio_uri_builder_append_bytes(builder, metadata, metadata_len);
+    }
+    if (ok) {
+        ok = broadcast_audio_uri_builder_append_string(builder, ";");
+    } else {
+        builder->len = len;
+    }
+    return ok;
+}
+
+bool broadcast_audio_uri_builder_append_public_broadcast_announcement_metadata(broadcast_audio_uri_builder_t * builder, const uint8_t * metadata, uint16_t metadata_len){
+    uint16_t len = builder->len;
+    bool ok = broadcast_audio_uri_builder_append_string(builder, "PM:");
+    if (ok && metadata_len > 0) {
+        // TODO: base64(data)
+        ok = broadcast_audio_uri_builder_append_bytes(builder, metadata, metadata_len);
+    }
+    if (ok) {
+        ok = broadcast_audio_uri_builder_append_string(builder, ";");
+    } else {
+        builder->len = len;
+    }
+    return ok;
+}
--- a/src/le-audio/broadcast_audio_uri_builder.h
+++ b/src/le-audio/broadcast_audio_uri_builder.h
@ -0,0 +1,225 @@
+/*
+ * Copyright (C) 2024 BlueKitchen GmbH
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the copyright holders nor the names of
+ *    contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ * 4. Any redistribution, use, or modification is done solely for
+ *    personal benefit and not for any commercial purpose or for
+ *    monetary gain.
+ *
+ * THIS SOFTWARE IS PROVIDED BY BLUEKITCHEN GMBH AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL BLUEKITCHEN
+ * GMBH OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
+ * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * Please inquire about commercial licensing options at 
+ * contact@bluekitchen-gmbh.com
+ *
+ */
+
+/**
+ *  @brief TODO
+ */
+
+#ifndef BROADCAST_AUDIO_URI_BUILDER_H
+#define BROADCAST_AUDIO_URI_BUILDER_H
+
+#include <stdint.h>
+#include "btstack_bool.h"
+#include "bluetooth.h"
+
+#if defined __cplusplus
+extern "C" {
+#endif
+
+typedef struct {
+    uint8_t * buffer;
+    uint16_t  size;
+    uint16_t len;
+} broadcast_audio_uri_builder_t;
+
+/**
+ * Initialize Broadcast Audio URI builder
+ * @param builder
+ * @param buffer to setup BASE
+ * @param size of buffer
+ */
+void broadcast_audio_uri_builder_init(broadcast_audio_uri_builder_t * builder, uint8_t * buffer, uint16_t size);
+
+/**
+ * @brief Query remaining space in buffer
+ * @param builder
+ * @return size
+ */
+uint16_t broadcast_audio_uri_builder_get_remaining_space(const broadcast_audio_uri_builder_t * builder);
+
+/**
+ * Get Size of Broadcast Audio URI
+ * @param builder
+ * @return size
+ */
+uint16_t broadcast_audio_uri_builder_get_size(const broadcast_audio_uri_builder_t * builder);
+
+/**
+ * Append bytes
+ * @param builder
+ * @param data
+ * @param len
+ * @return true if there was sufficient space in the underlying buffer
+ */
+bool broadcast_audio_uri_builder_append_bytes(broadcast_audio_uri_builder_t * builder, const uint8_t * data, uint16_t len);
+
+/**
+ * Append String
+ * @param builder
+ * @param text as utf-8
+ * @return true if there was sufficient space in the underlying buffer
+ */
+bool broadcast_audio_uri_builder_append_string(broadcast_audio_uri_builder_t * builder, const char * text);
+
+/**
+ * Append Broadcast Name (BN) base64 encoded
+ * @param builder
+ * @param broadcast_name
+ * @return
+ */
+bool broadcast_audio_uri_builder_append_broadcast_name(broadcast_audio_uri_builder_t * builder, const char * broadcast_name);
+
+/**
+ * Append Advertiser Address Type
+ * @param builder
+ * @param advertiser_address_type
+ * @return
+ */
+bool broadcast_audio_uri_builder_append_advertiser_address_type(broadcast_audio_uri_builder_t * builder, bd_addr_type_t advertiser_address_type);
+
+/**
+ * Append Advertiser Address
+ * @param builder
+ * @param advertiser_address_type
+ * @return
+ */
+bool broadcast_audio_uri_builder_append_advertiser_address(broadcast_audio_uri_builder_t * builder, bd_addr_t advertiser_address);
+
+/**
+ * Append Broadcast ID
+ * @param builder
+ * @param Broadcast ID (24 bit)
+ * @return
+ */
+bool broadcast_audio_uri_builder_append_broadcast_id(broadcast_audio_uri_builder_t * builder, uint32_t broadcast_id);
+
+/**
+ * Append Broadcast ID
+ * @param builder
+ * @param Broadcast Code (128 bit)
+ * @return
+ */
+bool broadcast_audio_uri_builder_append_broadcast_code(broadcast_audio_uri_builder_t * builder, const uint8_t * broadcast_code);
+
+/**
+ * Append Standard Quality
+ * @param builder
+ * @param advertiser_address_type
+ * @return
+ */
+bool broadcast_audio_uri_builder_append_standard_quality(broadcast_audio_uri_builder_t * builder, bool standard_quality);
+
+/**
+ * Append High Quality
+ * @param builder
+ * @param advertiser_address_type
+ * @return
+ */
+bool broadcast_audio_uri_builder_append_high_quality(broadcast_audio_uri_builder_t * builder, bool high_quality);
+
+/**
+ * Append Vendor Specific data
+ * @param builder
+ * @param vendor_id
+ * @param data
+ * @param data_len
+ * @return
+ */
+bool broadcast_audio_uri_builder_append_vendor_specific(broadcast_audio_uri_builder_t * builder, uint16_t vendor_id, const uint8_t * data, uint16_t data_len);
+
+/**
+ * Append Advertising SID
+ * @param builder
+ * @param advertising_sid
+ * @return
+ */
+bool broadcast_audio_uri_builder_append_advertising_sid(broadcast_audio_uri_builder_t * builder, uint8_t advertising_sid);
+
+/**
+ * Append PA Interval
+ * @param builder
+ * @param pa_interval
+ * @return
+ */
+bool broadcast_audio_uri_builder_append_pa_interval(broadcast_audio_uri_builder_t * builder, uint16_t pa_interval);
+
+/**
+ * Append Num Subgroups
+ * @param builder
+ * @param num_subgroups
+ * @return
+ */
+bool broadcast_audio_uri_builder_append_num_subgroups(broadcast_audio_uri_builder_t * builder, uint8_t num_subgroups);
+
+/**
+ * Append BIS_Sync
+ * @param builder
+ * @param Broadcast ID (24 bit)
+ * @return
+ */
+bool broadcast_audio_uri_builder_append_bis_sync(broadcast_audio_uri_builder_t * builder, uint32_t bis_sync);
+
+/**
+ * Append SG Number of BISes
+ * @param builder
+ * @param sg_number_of_bises
+ * @return
+ */
+bool broadcast_audio_uri_builder_append_sg_number_of_bises(broadcast_audio_uri_builder_t * builder, uint32_t sg_number_of_bises);
+
+/**
+ * Append SG_Metadata
+ * @param builder
+ * @param metadata
+ * @param metadata_len
+ * @return
+ */
+bool broadcast_audio_uri_builder_append_sg_metadata(broadcast_audio_uri_builder_t * builder, const uint8_t * metadata, uint16_t metadata_len);
+
+/**
+ * Append Public Broadcast Announcement Metadata
+ * @param builder
+ * @param metadata
+ * @param metadata_len
+ * @return
+ */
+bool broadcast_audio_uri_builder_append_public_broadcast_announcement_metadata(broadcast_audio_uri_builder_t * builder, const uint8_t * metadata, uint16_t metadata_len);
+
+#if defined __cplusplus
+}
+#endif
+#endif // BROADCAST_AUDIO_URI_BUILDER_H