608 lines
20 KiB
C
Executable file
608 lines
20 KiB
C
Executable file
/******************************************************************************
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*
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* Copyright (C) 2011-2012 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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* This is the implementation of the API for the advanced audio/video (AV)
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* subsystem of BTA, Broadcom's Bluetooth application layer for mobile
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* phones.
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*
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******************************************************************************/
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#include "bt_target.h"
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#if defined(BTA_AV_INCLUDED) && (BTA_AV_INCLUDED == TRUE)
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#include "bta_api.h"
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#include "bta_sys.h"
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#include "bta_av_api.h"
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#include "bta_av_int.h"
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#include "gki.h"
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#include <string.h>
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/*****************************************************************************
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** Constants
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*****************************************************************************/
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static const tBTA_SYS_REG bta_av_reg =
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{
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bta_av_hdl_event,
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BTA_AvDisable
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};
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/*******************************************************************************
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**
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** Function BTA_AvEnable
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**
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** Description Enable the advanced audio/video service. When the enable
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** operation is complete the callback function will be
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** called with a BTA_AV_ENABLE_EVT. This function must
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** be called before other function in the AV API are
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** called.
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**
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** Returns void
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**
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*******************************************************************************/
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void BTA_AvEnable(tBTA_SEC sec_mask, tBTA_AV_FEAT features, tBTA_AV_CBACK *p_cback)
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{
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tBTA_AV_API_ENABLE *p_buf;
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/* register with BTA system manager */
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bta_sys_register(BTA_ID_AV, &bta_av_reg);
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if ((p_buf = (tBTA_AV_API_ENABLE *) GKI_getbuf(sizeof(tBTA_AV_API_ENABLE))) != NULL)
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{
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p_buf->hdr.event = BTA_AV_API_ENABLE_EVT;
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p_buf->p_cback = p_cback;
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p_buf->features = features;
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p_buf->sec_mask = sec_mask;
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bta_sys_sendmsg(p_buf);
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}
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}
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/*******************************************************************************
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**
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** Function BTA_AvDisable
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**
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** Description Disable the advanced audio/video service.
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**
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** Returns void
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**
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*******************************************************************************/
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void BTA_AvDisable(void)
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{
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BT_HDR *p_buf;
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bta_sys_deregister(BTA_ID_AV);
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if ((p_buf = (BT_HDR *) GKI_getbuf(sizeof(BT_HDR))) != NULL)
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{
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p_buf->event = BTA_AV_API_DISABLE_EVT;
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bta_sys_sendmsg(p_buf);
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}
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}
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/*******************************************************************************
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**
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** Function BTA_AvRegister
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**
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** Description Register the audio or video service to stack. When the
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** operation is complete the callback function will be
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** called with a BTA_AV_REGISTER_EVT. This function must
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** be called before AVDT stream is open.
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**
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**
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** Returns void
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**
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*******************************************************************************/
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void BTA_AvRegister(tBTA_AV_CHNL chnl, const char *p_service_name, UINT8 app_id, tBTA_AV_DATA_CBACK *p_data_cback, tBTA_AV_CO_FUNCTS *bta_av_cos)
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{
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tBTA_AV_API_REG *p_buf;
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if ((p_buf = (tBTA_AV_API_REG *) GKI_getbuf(sizeof(tBTA_AV_API_REG))) != NULL)
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{
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p_buf->hdr.layer_specific = chnl;
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p_buf->hdr.event = BTA_AV_API_REGISTER_EVT;
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if(p_service_name)
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{
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BCM_STRNCPY_S(p_buf->p_service_name, sizeof(p_buf->p_service_name), p_service_name, BTA_SERVICE_NAME_LEN);
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p_buf->p_service_name[BTA_SERVICE_NAME_LEN-1] = 0;
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}
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else
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{
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p_buf->p_service_name[0] = 0;
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}
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p_buf->app_id = app_id;
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p_buf->p_app_data_cback = p_data_cback;
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p_buf->bta_av_cos = bta_av_cos;
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bta_sys_sendmsg(p_buf);
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}
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}
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/*******************************************************************************
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**
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** Function BTA_AvDeregister
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**
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** Description Deregister the audio or video service
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**
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** Returns void
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**
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*******************************************************************************/
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void BTA_AvDeregister(tBTA_AV_HNDL hndl)
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{
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BT_HDR *p_buf;
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if ((p_buf = (BT_HDR *) GKI_getbuf(sizeof(BT_HDR))) != NULL)
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{
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p_buf->layer_specific = hndl;
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p_buf->event = BTA_AV_API_DEREGISTER_EVT;
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bta_sys_sendmsg(p_buf);
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}
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}
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/*******************************************************************************
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**
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** Function BTA_AvOpen
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**
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** Description Opens an advanced audio/video connection to a peer device.
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** When connection is open callback function is called
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** with a BTA_AV_OPEN_EVT.
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**
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** Returns void
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**
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*******************************************************************************/
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void BTA_AvOpen(BD_ADDR bd_addr, tBTA_AV_HNDL handle, BOOLEAN use_rc, tBTA_SEC sec_mask,
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UINT16 uuid)
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{
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tBTA_AV_API_OPEN *p_buf;
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if ((p_buf = (tBTA_AV_API_OPEN *) GKI_getbuf(sizeof(tBTA_AV_API_OPEN))) != NULL)
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{
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p_buf->hdr.event = BTA_AV_API_OPEN_EVT;
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p_buf->hdr.layer_specific = handle;
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bdcpy(p_buf->bd_addr, bd_addr);
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p_buf->use_rc = use_rc;
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p_buf->sec_mask = sec_mask;
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p_buf->switch_res = BTA_AV_RS_NONE;
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p_buf->uuid = uuid;
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bta_sys_sendmsg(p_buf);
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}
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}
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/*******************************************************************************
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**
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** Function BTA_AvClose
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**
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** Description Close the current streams.
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**
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** Returns void
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**
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*******************************************************************************/
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void BTA_AvClose(tBTA_AV_HNDL handle)
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{
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BT_HDR *p_buf;
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if ((p_buf = (BT_HDR *) GKI_getbuf(sizeof(BT_HDR))) != NULL)
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{
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p_buf->event = BTA_AV_API_CLOSE_EVT;
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p_buf->layer_specific = handle;
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bta_sys_sendmsg(p_buf);
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}
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}
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/*******************************************************************************
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**
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** Function BTA_AvDisconnect
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**
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** Description Close the connection to the address.
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**
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** Returns void
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**
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*******************************************************************************/
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void BTA_AvDisconnect(BD_ADDR bd_addr)
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{
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tBTA_AV_API_DISCNT *p_buf;
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if ((p_buf = (tBTA_AV_API_DISCNT *) GKI_getbuf(sizeof(tBTA_AV_API_DISCNT))) != NULL)
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{
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p_buf->hdr.event = BTA_AV_API_DISCONNECT_EVT;
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bdcpy(p_buf->bd_addr, bd_addr);
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bta_sys_sendmsg(p_buf);
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}
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}
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/*******************************************************************************
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**
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** Function BTA_AvStart
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**
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** Description Start audio/video stream data transfer.
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**
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** Returns void
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**
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*******************************************************************************/
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void BTA_AvStart(void)
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{
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BT_HDR *p_buf;
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if ((p_buf = (BT_HDR *) GKI_getbuf(sizeof(BT_HDR))) != NULL)
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{
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p_buf->event = BTA_AV_API_START_EVT;
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bta_sys_sendmsg(p_buf);
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}
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}
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/*******************************************************************************
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**
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** Function BTA_AvEnable_Sink
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**
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** Description Enable/Disable A2DP Sink..
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**
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** Returns void
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**
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*******************************************************************************/
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void BTA_AvEnable_Sink(int enable)
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{
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#if (BTA_AV_SINK_INCLUDED == TRUE)
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BT_HDR *p_buf;
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if ((p_buf = (BT_HDR *) GKI_getbuf(sizeof(BT_HDR))) != NULL)
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{
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p_buf->event = BTA_AV_API_SINK_ENABLE_EVT;
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p_buf->layer_specific = enable;
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bta_sys_sendmsg(p_buf);
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}
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#else
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return;
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#endif
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}
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/*******************************************************************************
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**
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** Function BTA_AvStop
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**
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** Description Stop audio/video stream data transfer.
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** If suspend is TRUE, this function sends AVDT suspend signal
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** to the connected peer(s).
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**
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** Returns void
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**
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*******************************************************************************/
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void BTA_AvStop(BOOLEAN suspend)
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{
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tBTA_AV_API_STOP *p_buf;
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if ((p_buf = (tBTA_AV_API_STOP *) GKI_getbuf(sizeof(tBTA_AV_API_STOP))) != NULL)
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{
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p_buf->hdr.event = BTA_AV_API_STOP_EVT;
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p_buf->flush = TRUE;
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p_buf->suspend = suspend;
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bta_sys_sendmsg(p_buf);
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}
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}
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/*******************************************************************************
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**
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** Function BTA_AvReconfig
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**
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** Description Reconfigure the audio/video stream.
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** If suspend is TRUE, this function tries the suspend/reconfigure
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** procedure first.
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** If suspend is FALSE or when suspend/reconfigure fails,
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** this function closes and re-opens the AVDT connection.
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**
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** Returns void
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**
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*******************************************************************************/
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void BTA_AvReconfig(tBTA_AV_HNDL hndl, BOOLEAN suspend, UINT8 sep_info_idx,
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UINT8 *p_codec_info, UINT8 num_protect, UINT8 *p_protect_info)
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{
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tBTA_AV_API_RCFG *p_buf;
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if ((p_buf = (tBTA_AV_API_RCFG *) GKI_getbuf((UINT16) (sizeof(tBTA_AV_API_RCFG) + num_protect))) != NULL)
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{
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p_buf->hdr.layer_specific = hndl;
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p_buf->hdr.event = BTA_AV_API_RECONFIG_EVT;
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p_buf->num_protect = num_protect;
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p_buf->suspend = suspend;
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p_buf->sep_info_idx = sep_info_idx;
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p_buf->p_protect_info = (UINT8 *)(p_buf + 1);
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memcpy(p_buf->codec_info, p_codec_info, AVDT_CODEC_SIZE);
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memcpy(p_buf->p_protect_info, p_protect_info, num_protect);
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bta_sys_sendmsg(p_buf);
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}
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}
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/*******************************************************************************
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**
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** Function BTA_AvProtectReq
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**
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** Description Send a content protection request. This function can only
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** be used if AV is enabled with feature BTA_AV_FEAT_PROTECT.
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**
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** Returns void
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**
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*******************************************************************************/
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void BTA_AvProtectReq(tBTA_AV_HNDL hndl, UINT8 *p_data, UINT16 len)
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{
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tBTA_AV_API_PROTECT_REQ *p_buf;
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if ((p_buf = (tBTA_AV_API_PROTECT_REQ *) GKI_getbuf((UINT16) (sizeof(tBTA_AV_API_PROTECT_REQ) + len))) != NULL)
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{
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p_buf->hdr.layer_specific = hndl;
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p_buf->hdr.event = BTA_AV_API_PROTECT_REQ_EVT;
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p_buf->len = len;
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if (p_data == NULL)
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{
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p_buf->p_data = NULL;
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}
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else
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{
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p_buf->p_data = (UINT8 *) (p_buf + 1);
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memcpy(p_buf->p_data, p_data, len);
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}
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bta_sys_sendmsg(p_buf);
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}
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}
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/*******************************************************************************
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**
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** Function BTA_AvProtectRsp
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**
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** Description Send a content protection response. This function must
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** be called if a BTA_AV_PROTECT_REQ_EVT is received.
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** This function can only be used if AV is enabled with
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** feature BTA_AV_FEAT_PROTECT.
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**
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** Returns void
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**
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*******************************************************************************/
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void BTA_AvProtectRsp(tBTA_AV_HNDL hndl, UINT8 error_code, UINT8 *p_data, UINT16 len)
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{
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tBTA_AV_API_PROTECT_RSP *p_buf;
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if ((p_buf = (tBTA_AV_API_PROTECT_RSP *) GKI_getbuf((UINT16) (sizeof(tBTA_AV_API_PROTECT_RSP) + len))) != NULL)
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{
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p_buf->hdr.layer_specific = hndl;
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p_buf->hdr.event = BTA_AV_API_PROTECT_RSP_EVT;
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p_buf->len = len;
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p_buf->error_code = error_code;
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if (p_data == NULL)
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{
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p_buf->p_data = NULL;
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}
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else
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{
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p_buf->p_data = (UINT8 *) (p_buf + 1);
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memcpy(p_buf->p_data, p_data, len);
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}
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bta_sys_sendmsg(p_buf);
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}
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}
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/*******************************************************************************
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**
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** Function BTA_AvRemoteCmd
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**
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** Description Send a remote control command. This function can only
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** be used if AV is enabled with feature BTA_AV_FEAT_RCCT.
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**
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** Returns void
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**
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*******************************************************************************/
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void BTA_AvRemoteCmd(UINT8 rc_handle, UINT8 label, tBTA_AV_RC rc_id, tBTA_AV_STATE key_state)
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{
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tBTA_AV_API_REMOTE_CMD *p_buf;
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if ((p_buf = (tBTA_AV_API_REMOTE_CMD *) GKI_getbuf(sizeof(tBTA_AV_API_REMOTE_CMD))) != NULL)
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{
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p_buf->hdr.event = BTA_AV_API_REMOTE_CMD_EVT;
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p_buf->hdr.layer_specific = rc_handle;
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p_buf->msg.op_id = rc_id;
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p_buf->msg.state = key_state;
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p_buf->msg.p_pass_data = NULL;
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p_buf->msg.pass_len = 0;
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p_buf->label = label;
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bta_sys_sendmsg(p_buf);
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}
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}
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/*******************************************************************************
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**
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** Function BTA_AvVendorCmd
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**
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** Description Send a vendor dependent remote control command. This
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** function can only be used if AV is enabled with feature
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** BTA_AV_FEAT_VENDOR.
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**
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** Returns void
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**
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*******************************************************************************/
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void BTA_AvVendorCmd(UINT8 rc_handle, UINT8 label, tBTA_AV_CODE cmd_code, UINT8 *p_data, UINT16 len)
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{
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tBTA_AV_API_VENDOR *p_buf;
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if ((p_buf = (tBTA_AV_API_VENDOR *) GKI_getbuf((UINT16) (sizeof(tBTA_AV_API_VENDOR) + len))) != NULL)
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{
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p_buf->hdr.event = BTA_AV_API_VENDOR_CMD_EVT;
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p_buf->hdr.layer_specific = rc_handle;
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p_buf->msg.hdr.ctype = cmd_code;
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p_buf->msg.hdr.subunit_type = AVRC_SUB_PANEL;
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p_buf->msg.hdr.subunit_id = 0;
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p_buf->msg.company_id = p_bta_av_cfg->company_id;
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p_buf->label = label;
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p_buf->msg.vendor_len = len;
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if (p_data == NULL)
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{
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p_buf->msg.p_vendor_data = NULL;
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}
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else
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{
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p_buf->msg.p_vendor_data = (UINT8 *) (p_buf + 1);
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memcpy(p_buf->msg.p_vendor_data, p_data, len);
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}
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bta_sys_sendmsg(p_buf);
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}
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}
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/*******************************************************************************
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**
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** Function BTA_AvVendorRsp
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**
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** Description Send a vendor dependent remote control response.
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** This function must be called if a BTA_AV_VENDOR_CMD_EVT
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** is received. This function can only be used if AV is
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** enabled with feature BTA_AV_FEAT_VENDOR.
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**
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** Returns void
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**
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*******************************************************************************/
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void BTA_AvVendorRsp(UINT8 rc_handle, UINT8 label, tBTA_AV_CODE rsp_code, UINT8 *p_data, UINT16 len, UINT32 company_id)
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{
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tBTA_AV_API_VENDOR *p_buf;
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if ((p_buf = (tBTA_AV_API_VENDOR *) GKI_getbuf((UINT16) (sizeof(tBTA_AV_API_VENDOR) + len))) != NULL)
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{
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p_buf->hdr.event = BTA_AV_API_VENDOR_RSP_EVT;
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p_buf->hdr.layer_specific = rc_handle;
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p_buf->msg.hdr.ctype = rsp_code;
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p_buf->msg.hdr.subunit_type = AVRC_SUB_PANEL;
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p_buf->msg.hdr.subunit_id = 0;
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if(company_id)
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p_buf->msg.company_id = company_id;
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else
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p_buf->msg.company_id = p_bta_av_cfg->company_id;
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p_buf->label = label;
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p_buf->msg.vendor_len = len;
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if (p_data == NULL)
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{
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p_buf->msg.p_vendor_data = NULL;
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}
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else
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{
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p_buf->msg.p_vendor_data = (UINT8 *) (p_buf + 1);
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memcpy(p_buf->msg.p_vendor_data, p_data, len);
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}
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bta_sys_sendmsg(p_buf);
|
|
}
|
|
}
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function BTA_AvOpenRc
|
|
**
|
|
** Description Open an AVRCP connection toward the device with the
|
|
** specified handle
|
|
**
|
|
** Returns void
|
|
**
|
|
*******************************************************************************/
|
|
void BTA_AvOpenRc(tBTA_AV_HNDL handle)
|
|
{
|
|
tBTA_AV_API_OPEN_RC *p_buf;
|
|
|
|
if ((p_buf = (tBTA_AV_API_OPEN_RC *) GKI_getbuf(sizeof(tBTA_AV_API_OPEN_RC))) != NULL)
|
|
{
|
|
p_buf->hdr.event = BTA_AV_API_RC_OPEN_EVT;
|
|
p_buf->hdr.layer_specific = handle;
|
|
bta_sys_sendmsg(p_buf);
|
|
}
|
|
}
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function BTA_AvCloseRc
|
|
**
|
|
** Description Close an AVRCP connection
|
|
**
|
|
** Returns void
|
|
**
|
|
*******************************************************************************/
|
|
void BTA_AvCloseRc(UINT8 rc_handle)
|
|
{
|
|
tBTA_AV_API_CLOSE_RC *p_buf;
|
|
|
|
if ((p_buf = (tBTA_AV_API_CLOSE_RC *) GKI_getbuf(sizeof(tBTA_AV_API_CLOSE_RC))) != NULL)
|
|
{
|
|
p_buf->hdr.event = BTA_AV_API_RC_CLOSE_EVT;
|
|
p_buf->hdr.layer_specific = rc_handle;
|
|
bta_sys_sendmsg(p_buf);
|
|
}
|
|
}
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function BTA_AvMetaRsp
|
|
**
|
|
** Description Send a Metadata/Advanced Control response. The message contained
|
|
** in p_pkt can be composed with AVRC utility functions.
|
|
** This function can only be used if AV is enabled with feature
|
|
** BTA_AV_FEAT_METADATA.
|
|
**
|
|
** Returns void
|
|
**
|
|
*******************************************************************************/
|
|
void BTA_AvMetaRsp(UINT8 rc_handle, UINT8 label, tBTA_AV_CODE rsp_code,
|
|
BT_HDR *p_pkt)
|
|
{
|
|
tBTA_AV_API_META_RSP *p_buf;
|
|
|
|
if ((p_buf = (tBTA_AV_API_META_RSP *) GKI_getbuf((UINT16) (sizeof(tBTA_AV_API_META_RSP)))) != NULL)
|
|
{
|
|
p_buf->hdr.event = BTA_AV_API_META_RSP_EVT;
|
|
p_buf->hdr.layer_specific = rc_handle;
|
|
p_buf->rsp_code = rsp_code;
|
|
p_buf->p_pkt = p_pkt;
|
|
p_buf->is_rsp = TRUE;
|
|
p_buf->label = label;
|
|
|
|
bta_sys_sendmsg(p_buf);
|
|
} else if (p_pkt) {
|
|
GKI_freebuf(p_pkt);
|
|
}
|
|
}
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function BTA_AvMetaCmd
|
|
**
|
|
** Description Send a Metadata/Advanced Control command. The message contained
|
|
** in p_pkt can be composed with AVRC utility functions.
|
|
** This function can only be used if AV is enabled with feature
|
|
** BTA_AV_FEAT_METADATA.
|
|
** This message is sent only when the peer supports the TG role.
|
|
*8 The only command makes sense right now is the absolute volume command.
|
|
**
|
|
** Returns void
|
|
**
|
|
*******************************************************************************/
|
|
void BTA_AvMetaCmd(UINT8 rc_handle, UINT8 label, tBTA_AV_CMD cmd_code, BT_HDR *p_pkt)
|
|
{
|
|
tBTA_AV_API_META_RSP *p_buf;
|
|
|
|
if ((p_buf = (tBTA_AV_API_META_RSP *) GKI_getbuf((UINT16) (sizeof(tBTA_AV_API_META_RSP)))) != NULL)
|
|
{
|
|
p_buf->hdr.event = BTA_AV_API_META_RSP_EVT;
|
|
p_buf->hdr.layer_specific = rc_handle;
|
|
p_buf->p_pkt = p_pkt;
|
|
p_buf->rsp_code = cmd_code;
|
|
p_buf->is_rsp = FALSE;
|
|
p_buf->label = label;
|
|
|
|
bta_sys_sendmsg(p_buf);
|
|
}
|
|
}
|
|
|
|
#endif /* BTA_AV_INCLUDED */
|