1 /* 2 * Copyright (C) 2016 BlueKitchen GmbH 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. Neither the name of the copyright holders nor the names of 14 * contributors may be used to endorse or promote products derived 15 * from this software without specific prior written permission. 16 * 4. Any redistribution, use, or modification is done solely for 17 * personal benefit and not for any commercial purpose or for 18 * monetary gain. 19 * 20 * THIS SOFTWARE IS PROVIDED BY BLUEKITCHEN GMBH AND CONTRIBUTORS 21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 22 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 23 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL MATTHIAS 24 * RINGWALD OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 26 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS 27 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 28 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 29 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF 30 * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * Please inquire about commercial licensing options at 34 * [email protected] 35 * 36 */ 37 38 #define __BTSTACK_FILE__ "a2dp_sink.c" 39 40 #include <stdint.h> 41 #include <stdio.h> 42 #include <stdlib.h> 43 #include <string.h> 44 #include <unistd.h> 45 46 #include "btstack.h" 47 #include "avdtp.h" 48 #include "avdtp_util.h" 49 #include "avdtp_sink.h" 50 #include "a2dp_sink.h" 51 52 static const char * default_a2dp_sink_service_name = "BTstack A2DP Sink Service"; 53 static const char * default_a2dp_sink_service_provider_name = "BTstack A2DP Sink Service Provider"; 54 55 // static void packet_handler(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size); 56 57 void a2dp_sink_create_sdp_record(uint8_t * service, uint32_t service_record_handle, uint16_t supported_features, const char * service_name, const char * service_provider_name){ 58 uint8_t* attribute; 59 de_create_sequence(service); 60 61 // 0x0000 "Service Record Handle" 62 de_add_number(service, DE_UINT, DE_SIZE_16, BLUETOOTH_ATTRIBUTE_SERVICE_RECORD_HANDLE); 63 de_add_number(service, DE_UINT, DE_SIZE_32, service_record_handle); 64 65 // 0x0001 "Service Class ID List" 66 de_add_number(service, DE_UINT, DE_SIZE_16, BLUETOOTH_ATTRIBUTE_SERVICE_CLASS_ID_LIST); 67 attribute = de_push_sequence(service); 68 { 69 de_add_number(attribute, DE_UUID, DE_SIZE_16, BLUETOOTH_SERVICE_CLASS_AUDIO_SINK); 70 } 71 de_pop_sequence(service, attribute); 72 73 // 0x0004 "Protocol Descriptor List" 74 de_add_number(service, DE_UINT, DE_SIZE_16, BLUETOOTH_ATTRIBUTE_PROTOCOL_DESCRIPTOR_LIST); 75 attribute = de_push_sequence(service); 76 { 77 uint8_t* l2cpProtocol = de_push_sequence(attribute); 78 { 79 de_add_number(l2cpProtocol, DE_UUID, DE_SIZE_16, BLUETOOTH_PROTOCOL_L2CAP); 80 de_add_number(l2cpProtocol, DE_UINT, DE_SIZE_16, BLUETOOTH_PROTOCOL_AVDTP); 81 } 82 de_pop_sequence(attribute, l2cpProtocol); 83 84 uint8_t* avProtocol = de_push_sequence(attribute); 85 { 86 de_add_number(avProtocol, DE_UUID, DE_SIZE_16, BLUETOOTH_PROTOCOL_AVDTP); // avProtocol_service 87 de_add_number(avProtocol, DE_UINT, DE_SIZE_16, 0x0103); // version 88 } 89 de_pop_sequence(attribute, avProtocol); 90 } 91 de_pop_sequence(service, attribute); 92 93 // 0x0005 "Public Browse Group" 94 de_add_number(service, DE_UINT, DE_SIZE_16, BLUETOOTH_ATTRIBUTE_BROWSE_GROUP_LIST); // public browse group 95 attribute = de_push_sequence(service); 96 { 97 de_add_number(attribute, DE_UUID, DE_SIZE_16, BLUETOOTH_ATTRIBUTE_PUBLIC_BROWSE_ROOT); 98 } 99 de_pop_sequence(service, attribute); 100 101 // 0x0009 "Bluetooth Profile Descriptor List" 102 de_add_number(service, DE_UINT, DE_SIZE_16, BLUETOOTH_ATTRIBUTE_BLUETOOTH_PROFILE_DESCRIPTOR_LIST); 103 attribute = de_push_sequence(service); 104 { 105 uint8_t *a2dProfile = de_push_sequence(attribute); 106 { 107 de_add_number(a2dProfile, DE_UUID, DE_SIZE_16, BLUETOOTH_SERVICE_CLASS_ADVANCED_AUDIO_DISTRIBUTION); 108 de_add_number(a2dProfile, DE_UINT, DE_SIZE_16, 0x0103); 109 } 110 de_pop_sequence(attribute, a2dProfile); 111 } 112 de_pop_sequence(service, attribute); 113 114 115 // 0x0100 "Service Name" 116 de_add_number(service, DE_UINT, DE_SIZE_16, 0x0100); 117 if (service_name){ 118 de_add_data(service, DE_STRING, strlen(service_name), (uint8_t *) service_name); 119 } else { 120 de_add_data(service, DE_STRING, strlen(default_a2dp_sink_service_name), (uint8_t *) default_a2dp_sink_service_name); 121 } 122 123 // 0x0100 "Provider Name" 124 de_add_number(service, DE_UINT, DE_SIZE_16, 0x0102); 125 if (service_provider_name){ 126 de_add_data(service, DE_STRING, strlen(service_provider_name), (uint8_t *) service_provider_name); 127 } else { 128 de_add_data(service, DE_STRING, strlen(default_a2dp_sink_service_provider_name), (uint8_t *) default_a2dp_sink_service_provider_name); 129 } 130 131 // 0x0311 "Supported Features" 132 de_add_number(service, DE_UINT, DE_SIZE_16, 0x0311); 133 de_add_number(service, DE_UINT, DE_SIZE_16, supported_features); 134 } 135