192 lines
6.3 KiB
C
192 lines
6.3 KiB
C
/******************************************************************************
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*
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* Copyright (C) 2009-2012 Broadcom Corporation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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******************************************************************************/
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/*******************************************************************************
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*
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* Filename: btif_av.h
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*
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* Description: Main API header file for all BTIF AV functions accessed
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* from internal stack.
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*
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******************************************************************************/
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#ifndef BTIF_AV_H
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#define BTIF_AV_H
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#include "bta_av_api.h"
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#include "btif_common.h"
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#include "btif_sm.h"
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/*******************************************************************************
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* Type definitions for callback functions
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******************************************************************************/
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typedef enum {
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/* Reuse BTA_AV_XXX_EVT - No need to redefine them here */
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BTIF_AV_CONNECT_REQ_EVT = BTA_AV_MAX_EVT,
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BTIF_AV_DISCONNECT_REQ_EVT,
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BTIF_AV_START_STREAM_REQ_EVT,
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BTIF_AV_STOP_STREAM_REQ_EVT,
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BTIF_AV_SUSPEND_STREAM_REQ_EVT,
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BTIF_AV_SOURCE_CONFIG_REQ_EVT,
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BTIF_AV_SOURCE_CONFIG_UPDATED_EVT,
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BTIF_AV_SINK_CONFIG_REQ_EVT,
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BTIF_AV_OFFLOAD_START_REQ_EVT,
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BTIF_AV_CLEANUP_REQ_EVT,
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} btif_av_sm_event_t;
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/*******************************************************************************
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* BTIF AV API
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******************************************************************************/
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/*******************************************************************************
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*
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* Function btif_av_get_addr
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*
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* Description Fetches current AV BD address
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*
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* Returns BD address
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*
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******************************************************************************/
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RawAddress btif_av_get_addr(void);
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/*******************************************************************************
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* Function btif_av_is_sink_enabled
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*
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* Description Checks if A2DP Sink is enabled or not
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*
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* Returns true if A2DP Sink is enabled, false otherwise
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*
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******************************************************************************/
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bool btif_av_is_sink_enabled(void);
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/*******************************************************************************
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*
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* Function btif_av_stream_ready
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*
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* Description Checks whether AV is ready for starting a stream
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*
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* Returns None
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*
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******************************************************************************/
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bool btif_av_stream_ready(void);
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/*******************************************************************************
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*
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* Function btif_av_stream_started_ready
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*
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* Description Checks whether AV ready for media start in streaming state
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*
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* Returns None
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*
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******************************************************************************/
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bool btif_av_stream_started_ready(void);
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/*******************************************************************************
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*
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* Function btif_dispatch_sm_event
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*
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* Description Send event to AV statemachine
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*
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* Returns None
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*
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******************************************************************************/
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/* used to pass events to AV statemachine from other tasks */
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void btif_dispatch_sm_event(btif_av_sm_event_t event, void* p_data, int len);
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/*******************************************************************************
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*
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* Function btif_av_init
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*
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* Description Initializes btif AV if not already done
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*
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* Returns bt_status_t
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*
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******************************************************************************/
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bt_status_t btif_av_init(int service_id);
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/*******************************************************************************
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*
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* Function btif_av_is_connected
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*
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* Description Checks if av has a connected sink
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*
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* Returns bool
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*
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******************************************************************************/
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bool btif_av_is_connected(void);
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/*******************************************************************************
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*
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* Function btif_av_get_peer_sep
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*
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* Description Get the stream endpoint type.
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*
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* Returns The stream endpoint type: either AVDT_TSEP_SRC or
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* AVDT_TSEP_SNK.
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*
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******************************************************************************/
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uint8_t btif_av_get_peer_sep(void);
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/*******************************************************************************
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*
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* Function btif_av_is_peer_edr
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*
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* Description Check if the connected a2dp device supports
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* EDR or not. Only when connected this function
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* will accurately provide a true capability of
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* remote peer. If not connected it will always be false.
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*
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* Returns true if remote device is capable of EDR
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*
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******************************************************************************/
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bool btif_av_is_peer_edr(void);
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/******************************************************************************
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*
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* Function btif_av_clear_remote_suspend_flag
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*
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* Description Clears remote suspended flag
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*
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* Returns Void
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******************************************************************************/
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void btif_av_clear_remote_suspend_flag(void);
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/*******************************************************************************
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*
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* Function btif_av_peer_supports_3mbps
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*
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* Description Check if the connected A2DP device supports
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* 3 Mbps EDR. This function will only work while connected.
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* If not connected it will always return false.
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*
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* Returns true if remote device is EDR and supports 3 Mbps
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*
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******************************************************************************/
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bool btif_av_peer_supports_3mbps(void);
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#endif /* BTIF_AV_H */
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