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__ "avdtp_sink.c" 39 40 #include <stdint.h> 41 #include <stdio.h> 42 #include <stdlib.h> 43 #include <string.h> 44 45 #include "btstack.h" 46 #include "classic/avdtp.h" 47 #include "classic/avdtp_sink.h" 48 #include "classic/avdtp_util.h" 49 #include "classic/avdtp_initiator.h" 50 #include "classic/avdtp_acceptor.h" 51 52 static avdtp_context_t * avdtp_sink_context; 53 54 static void packet_handler(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size); 55 56 void avdtp_sink_register_media_transport_category(uint8_t seid){ 57 avdtp_stream_endpoint_t * stream_endpoint = avdtp_stream_endpoint_for_seid(seid, avdtp_sink_context); 58 avdtp_register_media_transport_category(stream_endpoint); 59 } 60 61 void avdtp_sink_register_reporting_category(uint8_t seid){ 62 avdtp_stream_endpoint_t * stream_endpoint = avdtp_stream_endpoint_for_seid(seid, avdtp_sink_context); 63 avdtp_register_reporting_category(stream_endpoint); 64 } 65 66 void avdtp_sink_register_delay_reporting_category(uint8_t seid){ 67 avdtp_stream_endpoint_t * stream_endpoint = avdtp_stream_endpoint_for_seid(seid, avdtp_sink_context); 68 avdtp_register_delay_reporting_category(stream_endpoint); 69 } 70 71 void avdtp_sink_register_recovery_category(uint8_t seid, uint8_t maximum_recovery_window_size, uint8_t maximum_number_media_packets){ 72 avdtp_stream_endpoint_t * stream_endpoint = avdtp_stream_endpoint_for_seid(seid, avdtp_sink_context); 73 avdtp_register_recovery_category(stream_endpoint, maximum_recovery_window_size, maximum_number_media_packets); 74 } 75 76 void avdtp_sink_register_content_protection_category(uint8_t seid, uint16_t cp_type, const uint8_t * cp_type_value, uint8_t cp_type_value_len){ 77 avdtp_stream_endpoint_t * stream_endpoint = avdtp_stream_endpoint_for_seid(seid, avdtp_sink_context); 78 avdtp_register_content_protection_category(stream_endpoint, cp_type, cp_type_value, cp_type_value_len); 79 } 80 81 void avdtp_sink_register_header_compression_category(uint8_t seid, uint8_t back_ch, uint8_t media, uint8_t recovery){ 82 avdtp_stream_endpoint_t * stream_endpoint = avdtp_stream_endpoint_for_seid(seid, avdtp_sink_context); 83 avdtp_register_header_compression_category(stream_endpoint, back_ch, media, recovery); 84 } 85 86 void avdtp_sink_register_media_codec_category(uint8_t seid, avdtp_media_type_t media_type, avdtp_media_codec_type_t media_codec_type, uint8_t * media_codec_info, uint16_t media_codec_info_len){ 87 avdtp_stream_endpoint_t * stream_endpoint = avdtp_stream_endpoint_for_seid(seid, avdtp_sink_context); 88 avdtp_register_media_codec_category(stream_endpoint, media_type, media_codec_type, media_codec_info, media_codec_info_len); 89 } 90 91 void avdtp_sink_register_multiplexing_category(uint8_t seid, uint8_t fragmentation){ 92 avdtp_stream_endpoint_t * stream_endpoint = avdtp_stream_endpoint_for_seid(seid, avdtp_sink_context); 93 avdtp_register_multiplexing_category(stream_endpoint, fragmentation); 94 } 95 96 // // media, reporting. recovery 97 // void avdtp_sink_register_media_transport_identifier_for_multiplexing_category(uint8_t seid, uint8_t fragmentation){ 98 99 // } 100 101 102 /* END: tracking can send now requests pro l2cap cid */ 103 // TODO remove 104 105 static void packet_handler(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){ 106 avdtp_packet_handler(packet_type, channel, packet, size, avdtp_sink_context); 107 } 108 109 void avdtp_sink_init(avdtp_context_t * avdtp_context){ 110 if (!avdtp_context){ 111 log_error("avdtp_source_context is NULL"); 112 return; 113 } 114 avdtp_sink_context = avdtp_context; 115 avdtp_sink_context->stream_endpoints = NULL; 116 avdtp_sink_context->connections = NULL; 117 avdtp_sink_context->stream_endpoints_id_counter = 0; 118 avdtp_sink_context->packet_handler = packet_handler; 119 120 l2cap_register_service(&packet_handler, BLUETOOTH_PROTOCOL_AVDTP, 0xffff, LEVEL_2); 121 } 122 123 avdtp_stream_endpoint_t * avdtp_sink_create_stream_endpoint(avdtp_sep_type_t sep_type, avdtp_media_type_t media_type){ 124 return avdtp_create_stream_endpoint(sep_type, media_type, avdtp_sink_context); 125 } 126 127 void avdtp_sink_register_media_handler(void (*callback)(uint8_t local_seid, uint8_t *packet, uint16_t size)){ 128 if (callback == NULL){ 129 log_error("avdtp_sink_register_media_handler called with NULL callback"); 130 return; 131 } 132 avdtp_sink_context->handle_media_data = callback; 133 } 134 135 void avdtp_sink_register_packet_handler(btstack_packet_handler_t callback){ 136 if (callback == NULL){ 137 log_error("avdtp_sink_register_packet_handler called with NULL callback"); 138 return; 139 } 140 avdtp_sink_context->avdtp_callback = callback; 141 } 142 143 uint8_t avdtp_sink_connect(bd_addr_t remote, uint16_t * avdtp_cid){ 144 return avdtp_connect(remote, AVDTP_SOURCE, avdtp_sink_context, avdtp_cid); 145 } 146 147 uint8_t avdtp_sink_disconnect(uint16_t avdtp_cid){ 148 return avdtp_disconnect(avdtp_cid, avdtp_sink_context); 149 } 150 151 uint8_t avdtp_sink_open_stream(uint16_t avdtp_cid, uint8_t local_seid, uint8_t remote_seid){ 152 return avdtp_open_stream(avdtp_cid, local_seid, remote_seid, avdtp_sink_context); 153 } 154 155 uint8_t avdtp_sink_start_stream(uint16_t avdtp_cid, uint8_t local_seid){ 156 return avdtp_start_stream(avdtp_cid, local_seid, avdtp_sink_context); 157 } 158 159 uint8_t avdtp_sink_stop_stream(uint16_t avdtp_cid, uint8_t local_seid){ 160 return avdtp_stop_stream(avdtp_cid, local_seid, avdtp_sink_context); 161 } 162 163 uint8_t avdtp_sink_abort_stream(uint16_t avdtp_cid, uint8_t local_seid){ 164 return avdtp_abort_stream(avdtp_cid, local_seid, avdtp_sink_context); 165 } 166 167 uint8_t avdtp_sink_suspend(uint16_t avdtp_cid, uint8_t local_seid){ 168 return avdtp_suspend_stream(avdtp_cid, local_seid, avdtp_sink_context); 169 } 170 171 uint8_t avdtp_sink_discover_stream_endpoints(uint16_t avdtp_cid){ 172 return avdtp_discover_stream_endpoints(avdtp_cid, avdtp_sink_context); 173 } 174 175 uint8_t avdtp_sink_get_capabilities(uint16_t avdtp_cid, uint8_t remote_seid){ 176 return avdtp_get_capabilities(avdtp_cid, remote_seid, avdtp_sink_context); 177 } 178 179 uint8_t avdtp_sink_get_all_capabilities(uint16_t avdtp_cid, uint8_t remote_seid){ 180 return avdtp_get_all_capabilities(avdtp_cid, remote_seid, avdtp_sink_context); 181 } 182 183 uint8_t avdtp_sink_get_configuration(uint16_t avdtp_cid, uint8_t remote_seid){ 184 return avdtp_get_configuration(avdtp_cid, remote_seid, avdtp_sink_context); 185 } 186 187 uint8_t avdtp_sink_set_configuration(uint16_t avdtp_cid, uint8_t local_seid, uint8_t remote_seid, uint16_t configured_services_bitmap, avdtp_capabilities_t configuration){ 188 return avdtp_set_configuration(avdtp_cid, local_seid, remote_seid, configured_services_bitmap, configuration, avdtp_sink_context); 189 } 190 191 uint8_t avdtp_sink_reconfigure(uint16_t avdtp_cid, uint8_t local_seid, uint8_t remote_seid, uint16_t configured_services_bitmap, avdtp_capabilities_t configuration){ 192 return avdtp_reconfigure(avdtp_cid, local_seid, remote_seid, configured_services_bitmap, configuration, avdtp_sink_context); 193 } 194 195 uint8_t avdtp_sink_delay_report(uint16_t avdtp_cid, uint8_t local_seid, uint16_t delay_100us){ 196 avdtp_connection_t * connection = avdtp_connection_for_avdtp_cid(avdtp_cid, avdtp_sink_context); 197 if (!connection){ 198 log_error("delay_report: no connection for signaling cid 0x%02x found", avdtp_cid); 199 return AVDTP_CONNECTION_DOES_NOT_EXIST; 200 } 201 202 if (connection->state != AVDTP_SIGNALING_CONNECTION_OPENED || 203 connection->initiator_connection_state != AVDTP_SIGNALING_CONNECTION_INITIATOR_IDLE) { 204 log_error("delay_report: connection in wrong state, state %d, initiator state %d", connection->state, connection->initiator_connection_state); 205 return AVDTP_CONNECTION_IN_WRONG_STATE; 206 } 207 208 avdtp_stream_endpoint_t * stream_endpoint = avdtp_stream_endpoint_with_seid(local_seid, avdtp_sink_context); 209 if (!stream_endpoint) { 210 log_error("delay_report: no stream_endpoint with seid %d found", local_seid); 211 return AVDTP_SEID_DOES_NOT_EXIST; 212 } 213 214 if (stream_endpoint->state < AVDTP_STREAM_ENDPOINT_CONFIGURED){ 215 log_error("Stream endpoint seid %d in wrong state %d", local_seid, stream_endpoint->state); 216 return AVDTP_STREAM_ENDPOINT_IN_WRONG_STATE; 217 } 218 219 connection->initiator_transaction_label++; 220 connection->initiator_connection_state = AVDTP_SIGNALING_CONNECTION_INITIATOR_W2_SEND_DELAY_REPORT; 221 connection->delay_ms = delay_100us; 222 connection->local_seid = local_seid; 223 connection->remote_seid = stream_endpoint->remote_sep.seid; 224 avdtp_request_can_send_now_initiator(connection, connection->l2cap_signaling_cid); 225 return ERROR_CODE_SUCCESS; 226 } 227 228