1 2 /* 3 * Copyright (C) 2016 BlueKitchen GmbH 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. Neither the name of the copyright holders nor the names of 15 * contributors may be used to endorse or promote products derived 16 * from this software without specific prior written permission. 17 * 4. Any redistribution, use, or modification is done solely for 18 * personal benefit and not for any commercial purpose or for 19 * monetary gain. 20 * 21 * THIS SOFTWARE IS PROVIDED BY BLUEKITCHEN GMBH AND CONTRIBUTORS 22 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 24 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL MATTHIAS 25 * RINGWALD OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 27 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS 28 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 29 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 30 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF 31 * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 * 34 * Please inquire about commercial licensing options at 35 * [email protected] 36 * 37 */ 38 39 #define __BTSTACK_FILE__ "a2dp_source.c" 40 41 #include <stdint.h> 42 #include <stdio.h> 43 #include <stdlib.h> 44 #include <string.h> 45 #include <unistd.h> 46 47 #include "btstack.h" 48 #include "avdtp.h" 49 #include "avdtp_util.h" 50 #include "avdtp_source.h" 51 #include "a2dp_source.h" 52 53 static const char * default_a2dp_source_service_name = "BTstack A2DP Source Service"; 54 static const char * default_a2dp_source_service_provider_name = "BTstack A2DP Source Service Provider"; 55 56 // static void packet_handler(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size); 57 58 void a2dp_source_create_sdp_record(uint8_t * service, uint32_t service_record_handle, uint16_t supported_features, const char * service_name, const char * service_provider_name){ 59 uint8_t* attribute; 60 de_create_sequence(service); 61 62 // 0x0000 "Service Record Handle" 63 de_add_number(service, DE_UINT, DE_SIZE_16, BLUETOOTH_ATTRIBUTE_SERVICE_RECORD_HANDLE); 64 de_add_number(service, DE_UINT, DE_SIZE_32, service_record_handle); 65 66 // 0x0001 "Service Class ID List" 67 de_add_number(service, DE_UINT, DE_SIZE_16, BLUETOOTH_ATTRIBUTE_SERVICE_CLASS_ID_LIST); 68 attribute = de_push_sequence(service); 69 { 70 de_add_number(attribute, DE_UUID, DE_SIZE_16, BLUETOOTH_SERVICE_CLASS_AUDIO_SOURCE); 71 } 72 de_pop_sequence(service, attribute); 73 74 // 0x0004 "Protocol Descriptor List" 75 de_add_number(service, DE_UINT, DE_SIZE_16, BLUETOOTH_ATTRIBUTE_PROTOCOL_DESCRIPTOR_LIST); 76 attribute = de_push_sequence(service); 77 { 78 uint8_t* l2cpProtocol = de_push_sequence(attribute); 79 { 80 de_add_number(l2cpProtocol, DE_UUID, DE_SIZE_16, BLUETOOTH_PROTOCOL_L2CAP); 81 de_add_number(l2cpProtocol, DE_UINT, DE_SIZE_16, BLUETOOTH_PROTOCOL_AVDTP); 82 } 83 de_pop_sequence(attribute, l2cpProtocol); 84 85 uint8_t* avProtocol = de_push_sequence(attribute); 86 { 87 de_add_number(avProtocol, DE_UUID, DE_SIZE_16, BLUETOOTH_PROTOCOL_AVDTP); // avProtocol_service 88 de_add_number(avProtocol, DE_UINT, DE_SIZE_16, 0x0103); // version 89 } 90 de_pop_sequence(attribute, avProtocol); 91 } 92 de_pop_sequence(service, attribute); 93 94 // 0x0005 "Public Browse Group" 95 de_add_number(service, DE_UINT, DE_SIZE_16, BLUETOOTH_ATTRIBUTE_BROWSE_GROUP_LIST); // public browse group 96 attribute = de_push_sequence(service); 97 { 98 de_add_number(attribute, DE_UUID, DE_SIZE_16, BLUETOOTH_ATTRIBUTE_PUBLIC_BROWSE_ROOT); 99 } 100 de_pop_sequence(service, attribute); 101 102 // 0x0009 "Bluetooth Profile Descriptor List" 103 de_add_number(service, DE_UINT, DE_SIZE_16, BLUETOOTH_ATTRIBUTE_BLUETOOTH_PROFILE_DESCRIPTOR_LIST); 104 attribute = de_push_sequence(service); 105 { 106 uint8_t *a2dProfile = de_push_sequence(attribute); 107 { 108 de_add_number(a2dProfile, DE_UUID, DE_SIZE_16, BLUETOOTH_SERVICE_CLASS_ADVANCED_AUDIO_DISTRIBUTION); 109 de_add_number(a2dProfile, DE_UINT, DE_SIZE_16, 0x0103); 110 } 111 de_pop_sequence(attribute, a2dProfile); 112 } 113 de_pop_sequence(service, attribute); 114 115 116 // 0x0100 "Service Name" 117 de_add_number(service, DE_UINT, DE_SIZE_16, 0x0100); 118 if (service_name){ 119 de_add_data(service, DE_STRING, strlen(service_name), (uint8_t *) service_name); 120 } else { 121 de_add_data(service, DE_STRING, strlen(default_a2dp_source_service_name), (uint8_t *) default_a2dp_source_service_name); 122 } 123 124 // 0x0100 "Provider Name" 125 de_add_number(service, DE_UINT, DE_SIZE_16, 0x0102); 126 if (service_provider_name){ 127 de_add_data(service, DE_STRING, strlen(service_provider_name), (uint8_t *) service_provider_name); 128 } else { 129 de_add_data(service, DE_STRING, strlen(default_a2dp_source_service_provider_name), (uint8_t *) default_a2dp_source_service_provider_name); 130 } 131 132 // 0x0311 "Supported Features" 133 de_add_number(service, DE_UINT, DE_SIZE_16, 0x0311); 134 de_add_number(service, DE_UINT, DE_SIZE_16, supported_features); 135 } 136 137 // static void packet_handler(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){ 138 // } 139