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 <string.h> 42 43 #include "bluetooth_psm.h" 44 #include "bluetooth_sdp.h" 45 #include "btstack_debug.h" 46 #include "btstack_event.h" 47 #include "l2cap.h" 48 49 #include "classic/avdtp.h" 50 #include "classic/avdtp_acceptor.h" 51 #include "classic/avdtp_initiator.h" 52 #include "classic/avdtp_sink.h" 53 #include "classic/avdtp_util.h" 54 55 void avdtp_sink_register_media_transport_category(uint8_t seid){ 56 avdtp_stream_endpoint_t * stream_endpoint = avdtp_get_stream_endpoint_for_seid(seid); 57 avdtp_register_media_transport_category(stream_endpoint); 58 } 59 60 void avdtp_sink_register_reporting_category(uint8_t seid){ 61 avdtp_stream_endpoint_t * stream_endpoint = avdtp_get_stream_endpoint_for_seid(seid); 62 avdtp_register_reporting_category(stream_endpoint); 63 } 64 65 void avdtp_sink_register_delay_reporting_category(uint8_t seid){ 66 avdtp_stream_endpoint_t * stream_endpoint = avdtp_get_stream_endpoint_for_seid(seid); 67 avdtp_register_delay_reporting_category(stream_endpoint); 68 } 69 70 void avdtp_sink_register_recovery_category(uint8_t seid, uint8_t maximum_recovery_window_size, uint8_t maximum_number_media_packets){ 71 avdtp_stream_endpoint_t * stream_endpoint = avdtp_get_stream_endpoint_for_seid(seid); 72 avdtp_register_recovery_category(stream_endpoint, maximum_recovery_window_size, maximum_number_media_packets); 73 } 74 75 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){ 76 avdtp_stream_endpoint_t * stream_endpoint = avdtp_get_stream_endpoint_for_seid(seid); 77 avdtp_register_content_protection_category(stream_endpoint, cp_type, cp_type_value, cp_type_value_len); 78 } 79 80 void avdtp_sink_register_header_compression_category(uint8_t seid, uint8_t back_ch, uint8_t media, uint8_t recovery){ 81 avdtp_stream_endpoint_t * stream_endpoint = avdtp_get_stream_endpoint_for_seid(seid); 82 avdtp_register_header_compression_category(stream_endpoint, back_ch, media, recovery); 83 } 84 85 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){ 86 avdtp_stream_endpoint_t * stream_endpoint = avdtp_get_stream_endpoint_for_seid(seid); 87 avdtp_register_media_codec_category(stream_endpoint, media_type, media_codec_type, media_codec_info, media_codec_info_len); 88 } 89 90 void avdtp_sink_register_multiplexing_category(uint8_t seid, uint8_t fragmentation){ 91 avdtp_stream_endpoint_t * stream_endpoint = avdtp_get_stream_endpoint_for_seid(seid); 92 avdtp_register_multiplexing_category(stream_endpoint, fragmentation); 93 } 94 /* END: tracking can send now requests pro l2cap cid */ 95 96 void avdtp_sink_register_packet_handler(btstack_packet_handler_t callback){ 97 btstack_assert(callback != NULL); 98 99 avdtp_register_sink_packet_handler(callback); 100 } 101 102 void avdtp_sink_init(void) { 103 avdtp_init(); 104 } 105 106 avdtp_stream_endpoint_t * avdtp_sink_create_stream_endpoint(avdtp_sep_type_t sep_type, avdtp_media_type_t media_type){ 107 return avdtp_create_stream_endpoint(sep_type, media_type); 108 } 109 110 void avdtp_sink_finalize_stream_endpoint(avdtp_stream_endpoint_t * stream_endpoint){ 111 avdtp_finalize_stream_endpoint(stream_endpoint); 112 } 113 114 void avdtp_sink_register_media_handler(void (*callback)(uint8_t local_seid, uint8_t *packet, uint16_t size)){ 115 avdtp_register_media_handler(callback); 116 } 117 118 uint8_t avdtp_sink_connect(bd_addr_t remote, uint16_t * avdtp_cid){ 119 return avdtp_connect(remote, AVDTP_ROLE_SINK, avdtp_cid); 120 } 121 122 uint8_t avdtp_sink_disconnect(uint16_t avdtp_cid){ 123 return avdtp_disconnect(avdtp_cid); 124 } 125 126 uint8_t avdtp_sink_open_stream(uint16_t avdtp_cid, uint8_t local_seid, uint8_t remote_seid){ 127 return avdtp_open_stream(avdtp_cid, local_seid, remote_seid); 128 } 129 130 uint8_t avdtp_sink_start_stream(uint16_t avdtp_cid, uint8_t local_seid){ 131 return avdtp_start_stream(avdtp_cid, local_seid); 132 } 133 134 uint8_t avdtp_sink_stop_stream(uint16_t avdtp_cid, uint8_t local_seid){ 135 return avdtp_stop_stream(avdtp_cid, local_seid); 136 } 137 138 uint8_t avdtp_sink_abort_stream(uint16_t avdtp_cid, uint8_t local_seid){ 139 return avdtp_abort_stream(avdtp_cid, local_seid); 140 } 141 142 uint8_t avdtp_sink_suspend(uint16_t avdtp_cid, uint8_t local_seid){ 143 return avdtp_suspend_stream(avdtp_cid, local_seid); 144 } 145 146 uint8_t avdtp_sink_discover_stream_endpoints(uint16_t avdtp_cid){ 147 return avdtp_discover_stream_endpoints(avdtp_cid); 148 } 149 150 uint8_t avdtp_sink_get_capabilities(uint16_t avdtp_cid, uint8_t remote_seid){ 151 return avdtp_get_capabilities(avdtp_cid, remote_seid); 152 } 153 154 uint8_t avdtp_sink_get_all_capabilities(uint16_t avdtp_cid, uint8_t remote_seid){ 155 return avdtp_get_all_capabilities(avdtp_cid, remote_seid); 156 } 157 158 uint8_t avdtp_sink_get_configuration(uint16_t avdtp_cid, uint8_t remote_seid){ 159 return avdtp_get_configuration(avdtp_cid, remote_seid); 160 } 161 162 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){ 163 return avdtp_set_configuration(avdtp_cid, local_seid, remote_seid, configured_services_bitmap, configuration); 164 } 165 166 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){ 167 return avdtp_reconfigure(avdtp_cid, local_seid, remote_seid, configured_services_bitmap, configuration); 168 } 169 170 uint8_t avdtp_sink_delay_report(uint16_t avdtp_cid, uint8_t local_seid, uint16_t delay_100us){ 171 avdtp_connection_t * connection = avdtp_get_connection_for_avdtp_cid(avdtp_cid); 172 if (!connection){ 173 log_error("delay_report: no connection for signaling cid 0x%02x found", avdtp_cid); 174 return ERROR_CODE_UNKNOWN_CONNECTION_IDENTIFIER; 175 } 176 177 if ((connection->state != AVDTP_SIGNALING_CONNECTION_OPENED) || 178 (connection->initiator_connection_state != AVDTP_SIGNALING_CONNECTION_INITIATOR_IDLE)) { 179 log_error("delay_report: connection in wrong state, state %d, initiator state %d", connection->state, connection->initiator_connection_state); 180 return ERROR_CODE_COMMAND_DISALLOWED; 181 } 182 183 avdtp_stream_endpoint_t * stream_endpoint = avdtp_get_stream_endpoint_with_seid(local_seid); 184 if (!stream_endpoint) { 185 log_error("delay_report: no stream_endpoint with seid %d found", local_seid); 186 return ERROR_CODE_UNKNOWN_CONNECTION_IDENTIFIER; 187 } 188 189 if (stream_endpoint->state < AVDTP_STREAM_ENDPOINT_CONFIGURED){ 190 log_error("Stream endpoint seid %d in wrong state %d", local_seid, stream_endpoint->state); 191 return ERROR_CODE_COMMAND_DISALLOWED; 192 } 193 194 connection->initiator_transaction_label++; 195 connection->initiator_connection_state = AVDTP_SIGNALING_CONNECTION_INITIATOR_W2_SEND_DELAY_REPORT; 196 connection->delay_ms = delay_100us; 197 connection->initiator_local_seid = local_seid; 198 connection->initiator_remote_seid = stream_endpoint->remote_sep.seid; 199 avdtp_request_can_send_now_initiator(connection, connection->l2cap_signaling_cid); 200 return ERROR_CODE_SUCCESS; 201 } 202 203