1 /****************************************************************************** 2 * 3 * Copyright (C) 2009-2012 Broadcom Corporation 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at: 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 * 17 ******************************************************************************/ 18 19 /******************************************************************************* 20 * 21 * Filename: btif_av.h 22 * 23 * Description: Main API header file for all BTIF AV functions accessed 24 * from internal stack. 25 * 26 *******************************************************************************/ 27 28 #ifndef BTIF_AV_H 29 #define BTIF_AV_H 30 31 #include "btif_common.h" 32 #include "btif_sm.h" 33 #include "bta_av_api.h" 34 35 36 /******************************************************************************* 37 ** Type definitions for callback functions 38 ********************************************************************************/ 39 40 typedef enum { 41 /* Reuse BTA_AV_XXX_EVT - No need to redefine them here */ 42 BTIF_AV_CONNECT_REQ_EVT = BTA_AV_MAX_EVT, 43 BTIF_AV_DISCONNECT_REQ_EVT, 44 BTIF_AV_START_STREAM_REQ_EVT, 45 BTIF_AV_STOP_STREAM_REQ_EVT, 46 BTIF_AV_SUSPEND_STREAM_REQ_EVT, 47 BTIF_AV_SINK_CONFIG_REQ_EVT, 48 } btif_av_sm_event_t; 49 50 51 /******************************************************************************* 52 ** BTIF AV API 53 ********************************************************************************/ 54 55 /******************************************************************************* 56 ** 57 ** Function btif_av_get_sm_handle 58 ** 59 ** Description Fetches current av SM handle 60 ** 61 ** Returns None 62 ** 63 *******************************************************************************/ 64 65 btif_sm_handle_t btif_av_get_sm_handle(void); 66 67 /******************************************************************************* 68 ** 69 ** Function btif_av_stream_ready 70 ** 71 ** Description Checks whether AV is ready for starting a stream 72 ** 73 ** Returns None 74 ** 75 *******************************************************************************/ 76 77 BOOLEAN btif_av_stream_ready(void); 78 79 /******************************************************************************* 80 ** 81 ** Function btif_av_stream_started_ready 82 ** 83 ** Description Checks whether AV ready for media start in streaming state 84 ** 85 ** Returns None 86 ** 87 *******************************************************************************/ 88 89 BOOLEAN btif_av_stream_started_ready(void); 90 91 /******************************************************************************* 92 ** 93 ** Function btif_dispatch_sm_event 94 ** 95 ** Description Send event to AV statemachine 96 ** 97 ** Returns None 98 ** 99 *******************************************************************************/ 100 101 /* used to pass events to AV statemachine from other tasks */ 102 void btif_dispatch_sm_event(btif_av_sm_event_t event, void *p_data, int len); 103 104 /******************************************************************************* 105 ** 106 ** Function btif_av_init 107 ** 108 ** Description Initializes btif AV if not already done 109 ** 110 ** Returns bt_status_t 111 ** 112 *******************************************************************************/ 113 114 bt_status_t btif_av_init(void); 115 116 /******************************************************************************* 117 ** 118 ** Function btif_av_is_connected 119 ** 120 ** Description Checks if av has a connected sink 121 ** 122 ** Returns BOOLEAN 123 ** 124 *******************************************************************************/ 125 126 BOOLEAN btif_av_is_connected(void); 127 128 129 /******************************************************************************* 130 ** 131 ** Function btif_av_is_peer_edr 132 ** 133 ** Description Check if the connected a2dp device supports 134 ** EDR or not. Only when connected this function 135 ** will accurately provide a true capability of 136 ** remote peer. If not connected it will always be false. 137 ** 138 ** Returns TRUE if remote device is capable of EDR 139 ** 140 *******************************************************************************/ 141 142 BOOLEAN btif_av_is_peer_edr(void); 143 144 #endif /* BTIF_AV_H */ 145