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239 lines
8.3 KiB
239 lines
8.3 KiB
/******************************************************************************
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*
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* Copyright 2008-2012 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 for the audio/video registration module.
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*
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******************************************************************************/
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#include <cstdint>
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#include "bta/ar/bta_ar_int.h"
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#include "bta/sys/bta_sys.h"
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#include "stack/include/avct_api.h"
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#include "stack/include/avrc_api.h"
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/* AV control block */
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tBTA_AR_CB bta_ar_cb;
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/*******************************************************************************
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*
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* Function bta_ar_init
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*
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* Description This function is called to register to AVDTP.
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*
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* Returns void
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*
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******************************************************************************/
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void bta_ar_init(void) {
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/* initialize control block */
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memset(&bta_ar_cb, 0, sizeof(tBTA_AR_CB));
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}
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/*******************************************************************************
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*
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* Function bta_ar_reg_avdt
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*
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* Description This function is called to register to AVDTP.
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*
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* Returns void
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*
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******************************************************************************/
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static void bta_ar_avdt_cback(uint8_t handle, const RawAddress& bd_addr,
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uint8_t event, tAVDT_CTRL* p_data,
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uint8_t scb_index) {
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/* route the AVDT registration callback to av or avk */
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if (bta_ar_cb.p_av_conn_cback)
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(*bta_ar_cb.p_av_conn_cback)(handle, bd_addr, event, p_data, scb_index);
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}
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/*******************************************************************************
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*
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* Function bta_ar_reg_avdt
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*
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* Description AR module registration to AVDT.
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*
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* Returns void
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*
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******************************************************************************/
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void bta_ar_reg_avdt(AvdtpRcb* p_reg, tAVDT_CTRL_CBACK* p_cback) {
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bta_ar_cb.p_av_conn_cback = p_cback;
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if (bta_ar_cb.avdt_registered == 0) {
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AVDT_Register(p_reg, bta_ar_avdt_cback);
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} else {
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APPL_TRACE_WARNING("%s: doesn't register again (registered:%d)", __func__,
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bta_ar_cb.avdt_registered);
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}
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bta_ar_cb.avdt_registered |= BTA_AR_AV_MASK;
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}
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/*******************************************************************************
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*
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* Function bta_ar_dereg_avdt
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*
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* Description This function is called to de-register from AVDTP.
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*
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* Returns void
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*
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******************************************************************************/
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void bta_ar_dereg_avdt() {
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bta_ar_cb.p_av_conn_cback = NULL;
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bta_ar_cb.avdt_registered &= ~BTA_AR_AV_MASK;
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if (bta_ar_cb.avdt_registered == 0) AVDT_Deregister();
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}
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/*******************************************************************************
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*
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* Function bta_ar_avdt_conn
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*
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* Description This function is called to let ar know that some AVDTP
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* profile is connected for this sys_id.
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* If the other sys modules started a timer for PENDING_EVT,
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* the timer can be stopped now.
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*
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* Returns void
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*
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******************************************************************************/
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void bta_ar_avdt_conn(tBTA_SYS_ID sys_id, const RawAddress& bd_addr,
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uint8_t scb_index) {
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}
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/*******************************************************************************
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*
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* Function bta_ar_reg_avct
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*
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* Description This function is called to register to AVCTP.
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*
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* Returns void
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*
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******************************************************************************/
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void bta_ar_reg_avct() {
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if (bta_ar_cb.avct_registered == 0) {
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AVCT_Register();
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}
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bta_ar_cb.avct_registered |= BTA_AR_AV_MASK;
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}
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/*******************************************************************************
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*
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* Function bta_ar_dereg_avct
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*
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* Description This function is called to deregister from AVCTP.
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*
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* Returns void
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*
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******************************************************************************/
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void bta_ar_dereg_avct() {
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bta_ar_cb.avct_registered &= ~BTA_AR_AV_MASK;
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if (bta_ar_cb.avct_registered == 0) AVCT_Deregister();
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}
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/******************************************************************************
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*
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* Function bta_ar_reg_avrc
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*
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* Description This function is called to register an SDP record for AVRCP.
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*
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* Returns void
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*
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*****************************************************************************/
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void bta_ar_reg_avrc(uint16_t service_uuid, const char* service_name,
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const char* provider_name, uint16_t categories,
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bool browse_supported, uint16_t profile_version) {
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uint8_t mask = BTA_AR_AV_MASK;
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uint8_t temp[8], *p;
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if (!categories) return;
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if (service_uuid == UUID_SERVCLASS_AV_REM_CTRL_TARGET) {
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if (bta_ar_cb.sdp_tg_handle == 0) {
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bta_ar_cb.tg_registered = mask;
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bta_ar_cb.sdp_tg_handle = SDP_CreateRecord();
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AVRC_AddRecord(service_uuid, service_name, provider_name, categories,
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bta_ar_cb.sdp_tg_handle, browse_supported,
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profile_version, 0);
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bta_sys_add_uuid(service_uuid);
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}
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/* only one TG is allowed (first-come, first-served).
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* If sdp_tg_handle is non-0, ignore this request */
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} else if ((service_uuid == UUID_SERVCLASS_AV_REMOTE_CONTROL) ||
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(service_uuid == UUID_SERVCLASS_AV_REM_CTRL_CONTROL)) {
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bta_ar_cb.ct_categories[mask - 1] = categories;
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categories = bta_ar_cb.ct_categories[0] | bta_ar_cb.ct_categories[1];
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if (bta_ar_cb.sdp_ct_handle == 0) {
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bta_ar_cb.sdp_ct_handle = SDP_CreateRecord();
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AVRC_AddRecord(service_uuid, service_name, provider_name, categories,
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bta_ar_cb.sdp_ct_handle, browse_supported,
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profile_version, 0);
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bta_sys_add_uuid(service_uuid);
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} else {
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/* multiple CTs are allowed.
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* Change supported categories on the second one */
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p = temp;
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UINT16_TO_BE_STREAM(p, categories);
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SDP_AddAttribute(bta_ar_cb.sdp_ct_handle, ATTR_ID_SUPPORTED_FEATURES,
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UINT_DESC_TYPE, (uint32_t)2, (uint8_t*)temp);
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}
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}
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}
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/******************************************************************************
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*
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* Function bta_ar_dereg_avrc
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*
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* Description This function is called to de-register/delete an SDP record
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* for AVRCP.
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*
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* Returns void
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*
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*****************************************************************************/
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void bta_ar_dereg_avrc(uint16_t service_uuid) {
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uint8_t mask = BTA_AR_AV_MASK;
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uint16_t categories = 0;
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uint8_t temp[8], *p;
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if (service_uuid == UUID_SERVCLASS_AV_REM_CTRL_TARGET) {
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if (bta_ar_cb.sdp_tg_handle && mask == bta_ar_cb.tg_registered) {
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bta_ar_cb.tg_registered = 0;
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SDP_DeleteRecord(bta_ar_cb.sdp_tg_handle);
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bta_ar_cb.sdp_tg_handle = 0;
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bta_sys_remove_uuid(service_uuid);
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}
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} else if (service_uuid == UUID_SERVCLASS_AV_REMOTE_CONTROL) {
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if (bta_ar_cb.sdp_ct_handle) {
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bta_ar_cb.ct_categories[mask - 1] = 0;
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categories = bta_ar_cb.ct_categories[0] | bta_ar_cb.ct_categories[1];
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if (!categories) {
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/* no CT is still registered - cleaup */
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SDP_DeleteRecord(bta_ar_cb.sdp_ct_handle);
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bta_ar_cb.sdp_ct_handle = 0;
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bta_sys_remove_uuid(service_uuid);
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} else {
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/* change supported categories to the remaning one */
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p = temp;
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UINT16_TO_BE_STREAM(p, categories);
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SDP_AddAttribute(bta_ar_cb.sdp_ct_handle, ATTR_ID_SUPPORTED_FEATURES,
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UINT_DESC_TYPE, (uint32_t)2, (uint8_t*)temp);
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}
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}
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}
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}
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