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3238 lines
117 KiB
3238 lines
117 KiB
/******************************************************************************
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*
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* Copyright 2004-2012 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 file contains action functions for advanced audio/video stream
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* state machine. these functions are shared by both audio and video
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* streams.
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*
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******************************************************************************/
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#define LOG_TAG "bt_bta_av"
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#include <base/strings/stringprintf.h>
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#include <cstdint>
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#include <cstring>
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#include <vector>
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#include "bt_target.h" // Must be first to define build configuration
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#include "bta/av/bta_av_int.h"
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#include "bta/include/bta_ar_api.h"
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#include "bta/include/bta_av_co.h"
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#include "btif/avrcp/avrcp_service.h"
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#include "btif/include/btif_av_co.h"
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#include "btif/include/btif_config.h"
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#include "btif/include/btif_storage.h"
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#include "device/include/interop.h"
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#include "main/shim/dumpsys.h"
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#include "osi/include/log.h"
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#include "osi/include/osi.h"
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#include "osi/include/properties.h"
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#include "stack/include/a2dp_sbc.h"
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#include "stack/include/acl_api.h"
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#include "stack/include/btm_api.h"
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#include "stack/include/btm_client_interface.h"
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#include "stack/include/l2c_api.h"
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#include "types/hci_role.h"
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namespace {
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constexpr char kBtmLogTag[] = "A2DP";
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}
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/*****************************************************************************
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* Constants
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****************************************************************************/
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/* the delay time in milliseconds to start service discovery on AVRCP */
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#ifndef BTA_AV_RC_DISC_TIME_VAL
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#define BTA_AV_RC_DISC_TIME_VAL 3500
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#endif
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/* the timer in milliseconds to guard against link busy and AVDT_CloseReq failed
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* to be sent */
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#ifndef BTA_AV_CLOSE_REQ_TIME_VAL
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#define BTA_AV_CLOSE_REQ_TIME_VAL 4000
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#endif
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/* number to retry on reconfigure failure - some headsets requirs this number to
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* be more than 1 */
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#ifndef BTA_AV_RECONFIG_RETRY
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#define BTA_AV_RECONFIG_RETRY 6
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#endif
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/* ACL quota we are letting FW use for A2DP Offload Tx. */
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#define BTA_AV_A2DP_OFFLOAD_XMIT_QUOTA 4
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static void bta_av_offload_codec_builder(tBTA_AV_SCB* p_scb,
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tBT_A2DP_OFFLOAD* p_a2dp_offload);
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/* state machine states */
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enum {
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BTA_AV_INIT_SST,
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BTA_AV_INCOMING_SST,
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BTA_AV_OPENING_SST,
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BTA_AV_OPEN_SST,
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BTA_AV_RCFG_SST,
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BTA_AV_CLOSING_SST
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};
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/* the call out functions for audio stream */
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const tBTA_AV_CO_FUNCTS bta_av_a2dp_cos = {bta_av_co_audio_init,
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bta_av_co_audio_disc_res,
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bta_av_co_audio_getconfig,
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bta_av_co_audio_setconfig,
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bta_av_co_audio_open,
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bta_av_co_audio_close,
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bta_av_co_audio_start,
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bta_av_co_audio_stop,
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bta_av_co_audio_source_data_path,
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bta_av_co_audio_delay,
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bta_av_co_audio_update_mtu,
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bta_av_co_get_scmst_info};
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/* these tables translate AVDT events to SSM events */
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static const uint16_t bta_av_stream_evt_ok[] = {
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BTA_AV_STR_DISC_OK_EVT, /* AVDT_DISCOVER_CFM_EVT */
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BTA_AV_STR_GETCAP_OK_EVT, /* AVDT_GETCAP_CFM_EVT */
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BTA_AV_STR_OPEN_OK_EVT, /* AVDT_OPEN_CFM_EVT */
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BTA_AV_STR_OPEN_OK_EVT, /* AVDT_OPEN_IND_EVT */
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BTA_AV_STR_CONFIG_IND_EVT, /* AVDT_CONFIG_IND_EVT */
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BTA_AV_STR_START_OK_EVT, /* AVDT_START_CFM_EVT */
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BTA_AV_STR_START_OK_EVT, /* AVDT_START_IND_EVT */
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BTA_AV_STR_SUSPEND_CFM_EVT, /* AVDT_SUSPEND_CFM_EVT */
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BTA_AV_STR_SUSPEND_CFM_EVT, /* AVDT_SUSPEND_IND_EVT */
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BTA_AV_STR_CLOSE_EVT, /* AVDT_CLOSE_CFM_EVT */
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BTA_AV_STR_CLOSE_EVT, /* AVDT_CLOSE_IND_EVT */
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BTA_AV_STR_RECONFIG_CFM_EVT, /* AVDT_RECONFIG_CFM_EVT */
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0, /* AVDT_RECONFIG_IND_EVT */
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BTA_AV_STR_SECURITY_CFM_EVT, /* AVDT_SECURITY_CFM_EVT */
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BTA_AV_STR_SECURITY_IND_EVT, /* AVDT_SECURITY_IND_EVT */
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BTA_AV_STR_WRITE_CFM_EVT, /* AVDT_WRITE_CFM_EVT */
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BTA_AV_AVDT_CONNECT_EVT, /* AVDT_CONNECT_IND_EVT */
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BTA_AV_AVDT_DISCONNECT_EVT, /* AVDT_DISCONNECT_IND_EVT */
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BTA_AV_AVDT_RPT_CONN_EVT, /* AVDT_REPORT_CONN_EVT */
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BTA_AV_AVDT_RPT_CONN_EVT, /* AVDT_REPORT_DISCONN_EVT */
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BTA_AV_AVDT_DELAY_RPT_EVT, /* AVDT_DELAY_REPORT_EVT */
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BTA_AV_AVDT_DELAY_RPT_CFM_EVT, /* AVDT_DELAY_REPORT_CFM_EVT */
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};
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static const uint16_t bta_av_stream_evt_fail[] = {
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BTA_AV_STR_DISC_FAIL_EVT, /* AVDT_DISCOVER_CFM_EVT */
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BTA_AV_STR_GETCAP_FAIL_EVT, /* AVDT_GETCAP_CFM_EVT */
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BTA_AV_STR_OPEN_FAIL_EVT, /* AVDT_OPEN_CFM_EVT */
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BTA_AV_STR_OPEN_OK_EVT, /* AVDT_OPEN_IND_EVT */
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BTA_AV_STR_CONFIG_IND_EVT, /* AVDT_CONFIG_IND_EVT */
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BTA_AV_STR_START_FAIL_EVT, /* AVDT_START_CFM_EVT */
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BTA_AV_STR_START_OK_EVT, /* AVDT_START_IND_EVT */
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BTA_AV_STR_SUSPEND_CFM_EVT, /* AVDT_SUSPEND_CFM_EVT */
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BTA_AV_STR_SUSPEND_CFM_EVT, /* AVDT_SUSPEND_IND_EVT */
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BTA_AV_STR_CLOSE_EVT, /* AVDT_CLOSE_CFM_EVT */
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BTA_AV_STR_CLOSE_EVT, /* AVDT_CLOSE_IND_EVT */
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BTA_AV_STR_RECONFIG_CFM_EVT, /* AVDT_RECONFIG_CFM_EVT */
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0, /* AVDT_RECONFIG_IND_EVT */
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BTA_AV_STR_SECURITY_CFM_EVT, /* AVDT_SECURITY_CFM_EVT */
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BTA_AV_STR_SECURITY_IND_EVT, /* AVDT_SECURITY_IND_EVT */
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BTA_AV_STR_WRITE_CFM_EVT, /* AVDT_WRITE_CFM_EVT */
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BTA_AV_AVDT_CONNECT_EVT, /* AVDT_CONNECT_IND_EVT */
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BTA_AV_AVDT_DISCONNECT_EVT, /* AVDT_DISCONNECT_IND_EVT */
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BTA_AV_AVDT_RPT_CONN_EVT, /* AVDT_REPORT_CONN_EVT */
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BTA_AV_AVDT_RPT_CONN_EVT, /* AVDT_REPORT_DISCONN_EVT */
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BTA_AV_AVDT_DELAY_RPT_EVT, /* AVDT_DELAY_REPORT_EVT */
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BTA_AV_AVDT_DELAY_RPT_CFM_EVT, /* AVDT_DELAY_REPORT_CFM_EVT */
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};
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/***********************************************
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*
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* Function bta_get_scb_handle
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*
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* Description gives the registered AVDT handle.by checking with sep_type.
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*
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*
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* Returns void
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**********************************************/
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static uint8_t bta_av_get_scb_handle(tBTA_AV_SCB* p_scb, uint8_t local_sep) {
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for (int i = 0; i < BTAV_A2DP_CODEC_INDEX_MAX; i++) {
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if ((p_scb->seps[i].tsep == local_sep) &&
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A2DP_CodecTypeEquals(p_scb->seps[i].codec_info,
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p_scb->cfg.codec_info)) {
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return (p_scb->seps[i].av_handle);
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}
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}
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APPL_TRACE_DEBUG("%s: local sep_type %d not found", __func__, local_sep)
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return 0; /* return invalid handle */
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}
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/***********************************************
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*
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* Function bta_av_get_scb_sep_type
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*
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* Description gives the sep type by cross-checking with AVDT handle
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*
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*
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* Returns void
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**********************************************/
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static uint8_t bta_av_get_scb_sep_type(tBTA_AV_SCB* p_scb,
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uint8_t tavdt_handle) {
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for (int i = 0; i < BTAV_A2DP_CODEC_INDEX_MAX; i++) {
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if (p_scb->seps[i].av_handle == tavdt_handle) return (p_scb->seps[i].tsep);
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}
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APPL_TRACE_DEBUG("%s: avdt_handle %d not found", __func__, tavdt_handle)
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return AVDT_TSEP_INVALID;
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}
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/*******************************************************************************
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*
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* Function bta_av_save_addr
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*
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* Description copy the bd_addr and maybe reset the supported flags
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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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static void bta_av_save_addr(tBTA_AV_SCB* p_scb, const RawAddress& bd_addr) {
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APPL_TRACE_DEBUG("%s: peer=%s recfg_sup:%d, suspend_sup:%d", __func__,
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bd_addr.ToString().c_str(), p_scb->recfg_sup,
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p_scb->suspend_sup);
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if (p_scb->PeerAddress() != bd_addr) {
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LOG_INFO("%s: reset flags old_addr=%s new_addr=%s", __func__,
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p_scb->PeerAddress().ToString().c_str(),
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bd_addr.ToString().c_str());
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/* a new addr, reset the supported flags */
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p_scb->recfg_sup = true;
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p_scb->suspend_sup = true;
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}
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/* do this copy anyway, just in case the first addr matches
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* the control block one by accident */
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p_scb->OnConnected(bd_addr);
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}
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/*******************************************************************************
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*
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* Function notify_start_failed
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*
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* Description notify up-layer AV start failed
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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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static void notify_start_failed(tBTA_AV_SCB* p_scb) {
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LOG_ERROR("%s: peer %s role:0x%x bta_channel:%d bta_handle:0x%x", __func__,
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p_scb->PeerAddress().ToString().c_str(), p_scb->role, p_scb->chnl,
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p_scb->hndl);
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tBTA_AV_START start;
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/* if start failed, clear role */
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p_scb->role &= ~BTA_AV_ROLE_START_INT;
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start.chnl = p_scb->chnl;
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start.status = BTA_AV_FAIL;
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start.initiator = true;
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start.hndl = p_scb->hndl;
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tBTA_AV bta_av_data;
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bta_av_data.start = start;
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(*bta_av_cb.p_cback)(BTA_AV_START_EVT, &bta_av_data);
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}
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/*******************************************************************************
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*
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* Function bta_av_st_rc_timer
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*
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* Description start the AVRC timer if no RC connection & CT is supported &
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* RC is used or
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* as ACP (we do not really know if we want AVRC)
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*
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* Returns void
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*
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******************************************************************************/
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void bta_av_st_rc_timer(tBTA_AV_SCB* p_scb, UNUSED_ATTR tBTA_AV_DATA* p_data) {
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APPL_TRACE_DEBUG("%s: rc_handle:%d, use_rc: %d", __func__, p_scb->rc_handle,
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p_scb->use_rc);
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/* for outgoing RC connection as INT/CT */
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if ((p_scb->rc_handle == BTA_AV_RC_HANDLE_NONE) &&
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/* (bta_av_cb.features & BTA_AV_FEAT_RCCT) && */
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(p_scb->use_rc || (p_scb->role & BTA_AV_ROLE_AD_ACP))) {
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if ((p_scb->wait & BTA_AV_WAIT_ROLE_SW_BITS) == 0) {
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bta_sys_start_timer(p_scb->avrc_ct_timer, BTA_AV_RC_DISC_TIME_VAL,
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BTA_AV_AVRC_TIMER_EVT, p_scb->hndl);
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} else {
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p_scb->wait |= BTA_AV_WAIT_CHECK_RC;
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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_av_next_getcap
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*
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* Description The function gets the capabilities of the next available
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* stream found in the discovery results.
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*
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* Returns true if we sent request to AVDT, false otherwise.
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*
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******************************************************************************/
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static bool bta_av_next_getcap(tBTA_AV_SCB* p_scb, tBTA_AV_DATA* p_data) {
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int i;
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bool sent_cmd = false;
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uint16_t uuid_int = p_scb->uuid_int;
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uint8_t sep_requested = 0;
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if (uuid_int == UUID_SERVCLASS_AUDIO_SOURCE)
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sep_requested = AVDT_TSEP_SNK;
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else if (uuid_int == UUID_SERVCLASS_AUDIO_SINK)
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sep_requested = AVDT_TSEP_SRC;
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for (i = p_scb->sep_info_idx; i < p_scb->num_seps; i++) {
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/* steam not in use, is a sink, and is the right media type (audio/video) */
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if ((!p_scb->sep_info[i].in_use) &&
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(p_scb->sep_info[i].tsep == sep_requested) &&
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(p_scb->sep_info[i].media_type == p_scb->media_type)) {
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p_scb->sep_info_idx = i;
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/* we got a stream; get its capabilities */
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bool get_all_cap = (p_scb->AvdtpVersion() >= AVDT_VERSION_1_3) &&
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(A2DP_GetAvdtpVersion() >= AVDT_VERSION_1_3);
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AVDT_GetCapReq(p_scb->PeerAddress(), p_scb->hdi, p_scb->sep_info[i].seid,
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&p_scb->peer_cap, &bta_av_proc_stream_evt, get_all_cap);
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sent_cmd = true;
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break;
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}
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}
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/* if no streams available then stream open fails */
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if (!sent_cmd) {
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APPL_TRACE_ERROR("%s: BTA_AV_STR_GETCAP_FAIL_EVT: peer_addr=%s", __func__,
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p_scb->PeerAddress().ToString().c_str());
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bta_av_ssm_execute(p_scb, BTA_AV_STR_GETCAP_FAIL_EVT, p_data);
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}
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return sent_cmd;
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}
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|
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/*******************************************************************************
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*
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* Function bta_av_proc_stream_evt
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*
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* Description Utility function to compose stream events.
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*
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* Returns void
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*
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******************************************************************************/
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void bta_av_proc_stream_evt(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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CHECK_LT(scb_index, BTA_AV_NUM_STRS);
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tBTA_AV_SCB* p_scb = bta_av_cb.p_scb[scb_index];
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uint16_t sec_len = 0;
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APPL_TRACE_EVENT(
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"%s: peer_address: %s avdt_handle: %d event=0x%x scb_index=%d p_scb=%p",
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__func__, bd_addr.ToString().c_str(), handle, event, scb_index, p_scb);
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if (p_data) {
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if (event == AVDT_SECURITY_IND_EVT) {
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sec_len = (p_data->security_ind.len < BTA_AV_SECURITY_MAX_LEN)
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? p_data->security_ind.len
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: BTA_AV_SECURITY_MAX_LEN;
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} else if (event == AVDT_SECURITY_CFM_EVT && p_data->hdr.err_code == 0) {
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sec_len = (p_data->security_cfm.len < BTA_AV_SECURITY_MAX_LEN)
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? p_data->security_cfm.len
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: BTA_AV_SECURITY_MAX_LEN;
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}
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}
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|
|
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if (p_scb) {
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tBTA_AV_STR_MSG* p_msg =
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(tBTA_AV_STR_MSG*)osi_malloc(sizeof(tBTA_AV_STR_MSG) + sec_len);
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|
|
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/* copy event data, bd addr, and handle to event message buffer */
|
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p_msg->hdr.offset = 0;
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|
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p_msg->bd_addr = bd_addr;
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p_msg->scb_index = scb_index;
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APPL_TRACE_EVENT("%s: stream event bd_addr: %s scb_index: %u", __func__,
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p_msg->bd_addr.ToString().c_str(), scb_index);
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if (p_data != NULL) {
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memcpy(&p_msg->msg, p_data, sizeof(tAVDT_CTRL));
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/* copy config params to event message buffer */
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switch (event) {
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case AVDT_CONFIG_IND_EVT:
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p_msg->cfg = *p_data->config_ind.p_cfg;
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break;
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case AVDT_SECURITY_IND_EVT:
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p_msg->msg.security_ind.p_data = (uint8_t*)(p_msg + 1);
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memcpy(p_msg->msg.security_ind.p_data, p_data->security_ind.p_data,
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sec_len);
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break;
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|
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case AVDT_SECURITY_CFM_EVT:
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p_msg->msg.security_cfm.p_data = (uint8_t*)(p_msg + 1);
|
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if (p_data->hdr.err_code == 0) {
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memcpy(p_msg->msg.security_cfm.p_data, p_data->security_cfm.p_data,
|
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sec_len);
|
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}
|
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break;
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|
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case AVDT_SUSPEND_IND_EVT:
|
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p_msg->msg.hdr.err_code = 0;
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break;
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|
|
case AVDT_CONNECT_IND_EVT:
|
|
p_scb->recfg_sup = true;
|
|
p_scb->suspend_sup = true;
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
} else {
|
|
p_msg->msg.hdr.err_code = 0;
|
|
}
|
|
|
|
/* look up application event */
|
|
if ((p_data == NULL) || (p_data->hdr.err_code == 0)) {
|
|
p_msg->hdr.event = bta_av_stream_evt_ok[event];
|
|
} else {
|
|
p_msg->hdr.event = bta_av_stream_evt_fail[event];
|
|
}
|
|
|
|
p_msg->initiator = false;
|
|
if (event == AVDT_SUSPEND_CFM_EVT) p_msg->initiator = true;
|
|
|
|
APPL_TRACE_VERBOSE("%s: bta_handle:0x%x avdt_handle:%d", __func__,
|
|
p_scb->hndl, handle);
|
|
p_msg->hdr.layer_specific = p_scb->hndl;
|
|
p_msg->handle = handle;
|
|
p_msg->avdt_event = event;
|
|
bta_sys_sendmsg(p_msg);
|
|
}
|
|
|
|
if (p_data) {
|
|
bta_av_conn_cback(handle, bd_addr, event, p_data, scb_index);
|
|
} else {
|
|
APPL_TRACE_ERROR("%s: p_data is null", __func__);
|
|
}
|
|
}
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* Function bta_av_sink_data_cback
|
|
*
|
|
* Description This is the AVDTP callback function for sink stream events.
|
|
*
|
|
* Returns void
|
|
*
|
|
******************************************************************************/
|
|
void bta_av_sink_data_cback(uint8_t handle, BT_HDR* p_pkt, uint32_t time_stamp,
|
|
uint8_t m_pt) {
|
|
int index = 0;
|
|
tBTA_AV_SCB* p_scb;
|
|
APPL_TRACE_DEBUG(
|
|
"%s: avdt_handle: %d pkt_len=0x%x offset = 0x%x "
|
|
"number of frames 0x%x sequence number 0x%x",
|
|
__func__, handle, p_pkt->len, p_pkt->offset,
|
|
*((uint8_t*)(p_pkt + 1) + p_pkt->offset), p_pkt->layer_specific);
|
|
/* Get SCB and correct sep type */
|
|
for (index = 0; index < BTA_AV_NUM_STRS; index++) {
|
|
p_scb = bta_av_cb.p_scb[index];
|
|
if ((p_scb->avdt_handle == handle) &&
|
|
(p_scb->seps[p_scb->sep_idx].tsep == AVDT_TSEP_SNK)) {
|
|
break;
|
|
}
|
|
}
|
|
if (index == BTA_AV_NUM_STRS) {
|
|
/* cannot find correct handler */
|
|
osi_free(p_pkt);
|
|
return;
|
|
}
|
|
p_pkt->event = BTA_AV_SINK_MEDIA_DATA_EVT;
|
|
p_scb->seps[p_scb->sep_idx].p_app_sink_data_cback(
|
|
p_scb->PeerAddress(), BTA_AV_SINK_MEDIA_DATA_EVT, (tBTA_AV_MEDIA*)p_pkt);
|
|
/* Free the buffer: a copy of the packet has been delivered */
|
|
osi_free(p_pkt);
|
|
}
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* Function bta_av_a2dp_sdp_cback
|
|
*
|
|
* Description A2DP service discovery callback.
|
|
*
|
|
* Returns void
|
|
*
|
|
******************************************************************************/
|
|
static void bta_av_a2dp_sdp_cback(bool found, tA2DP_Service* p_service,
|
|
const RawAddress& peer_address) {
|
|
APPL_TRACE_DEBUG("%s: peer %s : found=%s", __func__,
|
|
peer_address.ToString().c_str(), (found) ? "true" : "false");
|
|
|
|
tBTA_AV_SCB* p_scb = NULL;
|
|
if (peer_address != RawAddress::kEmpty) {
|
|
p_scb = bta_av_addr_to_scb(peer_address);
|
|
}
|
|
if (p_scb == NULL) {
|
|
p_scb = bta_av_hndl_to_scb(bta_av_cb.handle);
|
|
}
|
|
if (p_scb == NULL) {
|
|
APPL_TRACE_ERROR("%s: no scb found for SDP handle(0x%x)", __func__,
|
|
bta_av_cb.handle);
|
|
return;
|
|
}
|
|
if (bta_av_cb.handle != p_scb->hndl) {
|
|
APPL_TRACE_WARNING("%s: SDP bta_handle expected=0x%x processing=0x%x",
|
|
__func__, bta_av_cb.handle, p_scb->hndl);
|
|
}
|
|
|
|
if (!found) {
|
|
APPL_TRACE_ERROR("%s: peer %s A2DP service discovery failed", __func__,
|
|
p_scb->PeerAddress().ToString().c_str());
|
|
}
|
|
APPL_TRACE_DEBUG("%s: peer %s found=%s", __func__,
|
|
p_scb->PeerAddress().ToString().c_str(),
|
|
(found) ? "true" : "false");
|
|
|
|
tBTA_AV_SDP_RES* p_msg =
|
|
(tBTA_AV_SDP_RES*)osi_malloc(sizeof(tBTA_AV_SDP_RES));
|
|
if (found) {
|
|
p_msg->hdr.event = BTA_AV_SDP_DISC_OK_EVT;
|
|
} else {
|
|
p_msg->hdr.event = BTA_AV_SDP_DISC_FAIL_EVT;
|
|
APPL_TRACE_ERROR("%s: BTA_AV_SDP_DISC_FAIL_EVT: peer_addr=%s", __func__,
|
|
p_scb->PeerAddress().ToString().c_str());
|
|
}
|
|
if (found && (p_service != NULL)) {
|
|
p_scb->SetAvdtpVersion(p_service->avdt_version);
|
|
if (p_service->avdt_version != 0) {
|
|
if (btif_config_set_bin(p_scb->PeerAddress().ToString(),
|
|
AVDTP_VERSION_CONFIG_KEY,
|
|
(const uint8_t*)&p_service->avdt_version,
|
|
sizeof(p_service->avdt_version))) {
|
|
btif_config_save();
|
|
} else {
|
|
APPL_TRACE_WARNING("%s: Failed to store peer AVDTP version for %s",
|
|
__func__, p_scb->PeerAddress().ToString().c_str());
|
|
}
|
|
}
|
|
} else {
|
|
p_scb->SetAvdtpVersion(0);
|
|
}
|
|
p_msg->hdr.layer_specific = p_scb->hndl;
|
|
|
|
bta_sys_sendmsg(p_msg);
|
|
}
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* Function bta_av_adjust_seps_idx
|
|
*
|
|
* Description adjust the sep_idx
|
|
*
|
|
* Returns
|
|
*
|
|
******************************************************************************/
|
|
static void bta_av_adjust_seps_idx(tBTA_AV_SCB* p_scb, uint8_t avdt_handle) {
|
|
APPL_TRACE_DEBUG("%s: codec: %s", __func__,
|
|
A2DP_CodecName(p_scb->cfg.codec_info));
|
|
for (int i = 0; i < BTAV_A2DP_CODEC_INDEX_MAX; i++) {
|
|
APPL_TRACE_DEBUG("%s: avdt_handle: %d codec: %s", __func__,
|
|
p_scb->seps[i].av_handle,
|
|
A2DP_CodecName(p_scb->seps[i].codec_info));
|
|
if (p_scb->seps[i].av_handle && (p_scb->seps[i].av_handle == avdt_handle) &&
|
|
A2DP_CodecTypeEquals(p_scb->seps[i].codec_info,
|
|
p_scb->cfg.codec_info)) {
|
|
p_scb->sep_idx = i;
|
|
p_scb->avdt_handle = p_scb->seps[i].av_handle;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* Function bta_av_switch_role
|
|
*
|
|
* Description Switch role was not started and a timer was started.
|
|
* another attempt to switch role now - still opening.
|
|
*
|
|
* Returns void
|
|
*
|
|
******************************************************************************/
|
|
void bta_av_switch_role(tBTA_AV_SCB* p_scb, UNUSED_ATTR tBTA_AV_DATA* p_data) {
|
|
tBTA_AV_RS_RES switch_res = BTA_AV_RS_NONE;
|
|
tBTA_AV_API_OPEN* p_buf = &p_scb->q_info.open;
|
|
|
|
APPL_TRACE_DEBUG("%s: peer %s wait:0x%x", __func__,
|
|
p_scb->PeerAddress().ToString().c_str(), p_scb->wait);
|
|
if (p_scb->wait & BTA_AV_WAIT_ROLE_SW_RES_START)
|
|
p_scb->wait |= BTA_AV_WAIT_ROLE_SW_RETRY;
|
|
|
|
/* clear the masks set when the timer is started */
|
|
p_scb->wait &=
|
|
~(BTA_AV_WAIT_ROLE_SW_RES_OPEN | BTA_AV_WAIT_ROLE_SW_RES_START);
|
|
|
|
if (p_scb->q_tag == BTA_AV_Q_TAG_OPEN) {
|
|
if (bta_av_switch_if_needed(p_scb) ||
|
|
!bta_av_link_role_ok(p_scb, A2DP_SET_MULTL_BIT)) {
|
|
p_scb->wait |= BTA_AV_WAIT_ROLE_SW_RES_OPEN;
|
|
} else {
|
|
/* this should not happen in theory. Just in case...
|
|
* continue to do_disc_a2dp */
|
|
switch_res = BTA_AV_RS_DONE;
|
|
}
|
|
} else {
|
|
/* report failure on OPEN */
|
|
APPL_TRACE_ERROR("%s: peer %s role switch failed (wait=0x%x)", __func__,
|
|
p_scb->PeerAddress().ToString().c_str(), p_scb->wait);
|
|
switch_res = BTA_AV_RS_FAIL;
|
|
}
|
|
|
|
if (switch_res != BTA_AV_RS_NONE) {
|
|
if (bta_av_cb.rs_idx == (p_scb->hdi + 1)) {
|
|
bta_av_cb.rs_idx = 0;
|
|
}
|
|
p_scb->wait &= ~BTA_AV_WAIT_ROLE_SW_RETRY;
|
|
p_scb->q_tag = 0;
|
|
p_buf->switch_res = switch_res;
|
|
bta_av_do_disc_a2dp(p_scb, (tBTA_AV_DATA*)p_buf);
|
|
}
|
|
}
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* Function bta_av_role_res
|
|
*
|
|
* Description Handle the role changed event
|
|
*
|
|
*
|
|
* Returns void
|
|
*
|
|
******************************************************************************/
|
|
void bta_av_role_res(tBTA_AV_SCB* p_scb, tBTA_AV_DATA* p_data) {
|
|
bool initiator = false;
|
|
|
|
APPL_TRACE_DEBUG("%s: peer %s q_tag:%d, wait:0x%x, role:0x%x", __func__,
|
|
p_scb->PeerAddress().ToString().c_str(), p_scb->q_tag,
|
|
p_scb->wait, p_scb->role);
|
|
if (p_scb->role & BTA_AV_ROLE_START_INT) initiator = true;
|
|
|
|
if (p_scb->q_tag == BTA_AV_Q_TAG_START) {
|
|
if (p_scb->wait & BTA_AV_WAIT_ROLE_SW_STARTED) {
|
|
p_scb->wait &= ~BTA_AV_WAIT_ROLE_SW_BITS;
|
|
if (p_data->role_res.hci_status != HCI_SUCCESS) {
|
|
p_scb->role &= ~BTA_AV_ROLE_START_INT;
|
|
bta_sys_idle(BTA_ID_AV, bta_av_cb.audio_open_cnt, p_scb->PeerAddress());
|
|
/* start failed because of role switch. */
|
|
tBTA_AV_START start;
|
|
start.chnl = p_scb->chnl;
|
|
start.status = BTA_AV_FAIL_ROLE;
|
|
start.hndl = p_scb->hndl;
|
|
start.initiator = initiator;
|
|
tBTA_AV bta_av_data;
|
|
bta_av_data.start = start;
|
|
(*bta_av_cb.p_cback)(BTA_AV_START_EVT, &bta_av_data);
|
|
} else {
|
|
bta_av_start_ok(p_scb, p_data);
|
|
}
|
|
} else if (p_scb->wait & BTA_AV_WAIT_ROLE_SW_RES_START)
|
|
p_scb->wait |= BTA_AV_WAIT_ROLE_SW_FAILED;
|
|
} else if (p_scb->q_tag == BTA_AV_Q_TAG_OPEN) {
|
|
if (p_scb->wait & BTA_AV_WAIT_ROLE_SW_RES_OPEN) {
|
|
p_scb->role &= ~BTA_AV_ROLE_START_INT;
|
|
p_scb->wait &= ~BTA_AV_WAIT_ROLE_SW_BITS;
|
|
|
|
if (p_data->role_res.hci_status != HCI_SUCCESS) {
|
|
/* Open failed because of role switch. */
|
|
tBTA_AV_OPEN av_open;
|
|
av_open.bd_addr = p_scb->PeerAddress();
|
|
av_open.chnl = p_scb->chnl;
|
|
av_open.hndl = p_scb->hndl;
|
|
av_open.status = BTA_AV_FAIL_ROLE;
|
|
if (p_scb->seps[p_scb->sep_idx].tsep == AVDT_TSEP_SRC) {
|
|
av_open.sep = AVDT_TSEP_SNK;
|
|
} else if (p_scb->seps[p_scb->sep_idx].tsep == AVDT_TSEP_SNK) {
|
|
av_open.sep = AVDT_TSEP_SRC;
|
|
}
|
|
tBTA_AV bta_av_data;
|
|
bta_av_data.open = av_open;
|
|
(*bta_av_cb.p_cback)(BTA_AV_OPEN_EVT, &bta_av_data);
|
|
} else {
|
|
/* Continue av open process */
|
|
p_scb->q_info.open.switch_res = BTA_AV_RS_DONE;
|
|
bta_av_do_disc_a2dp(p_scb, (tBTA_AV_DATA*)&(p_scb->q_info.open));
|
|
}
|
|
} else {
|
|
APPL_TRACE_WARNING(
|
|
"%s: peer %s unexpected role switch event: q_tag = %d wait = 0x%x",
|
|
__func__, p_scb->PeerAddress().ToString().c_str(), p_scb->q_tag,
|
|
p_scb->wait);
|
|
}
|
|
}
|
|
|
|
APPL_TRACE_DEBUG("%s: peer %s wait:0x%x, role:0x%x", __func__,
|
|
p_scb->PeerAddress().ToString().c_str(), p_scb->wait,
|
|
p_scb->role);
|
|
}
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* Function bta_av_delay_co
|
|
*
|
|
* Description Call the delay call-out function to report the delay report
|
|
* from SNK
|
|
*
|
|
* Returns void
|
|
*
|
|
******************************************************************************/
|
|
void bta_av_delay_co(tBTA_AV_SCB* p_scb, tBTA_AV_DATA* p_data) {
|
|
APPL_TRACE_DEBUG("%s: peer %s bta_handle:0x%x delay:%d", __func__,
|
|
p_scb->PeerAddress().ToString().c_str(), p_scb->hndl,
|
|
p_data->str_msg.msg.delay_rpt_cmd.delay);
|
|
p_scb->p_cos->delay(p_scb->hndl, p_scb->PeerAddress(),
|
|
p_data->str_msg.msg.delay_rpt_cmd.delay);
|
|
}
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* Function bta_av_do_disc_a2dp
|
|
*
|
|
* Description Do service discovery for A2DP.
|
|
*
|
|
* Returns void
|
|
*
|
|
******************************************************************************/
|
|
void bta_av_do_disc_a2dp(tBTA_AV_SCB* p_scb, tBTA_AV_DATA* p_data) {
|
|
bool ok_continue = false;
|
|
tA2DP_SDP_DB_PARAMS db_params;
|
|
uint16_t attr_list[] = {ATTR_ID_SERVICE_CLASS_ID_LIST,
|
|
ATTR_ID_PROTOCOL_DESC_LIST,
|
|
ATTR_ID_BT_PROFILE_DESC_LIST};
|
|
uint16_t sdp_uuid = 0; /* UUID for which SDP has to be done */
|
|
|
|
APPL_TRACE_DEBUG("%s: peer_addr: %s use_rc: %d switch_res:%d, oc:%d",
|
|
__func__, p_data->api_open.bd_addr.ToString().c_str(),
|
|
p_data->api_open.use_rc, p_data->api_open.switch_res,
|
|
bta_av_cb.audio_open_cnt);
|
|
|
|
memcpy(&(p_scb->open_api), &(p_data->api_open), sizeof(tBTA_AV_API_OPEN));
|
|
|
|
switch (p_data->api_open.switch_res) {
|
|
case BTA_AV_RS_NONE:
|
|
if (bta_av_switch_if_needed(p_scb) ||
|
|
!bta_av_link_role_ok(p_scb, A2DP_SET_MULTL_BIT)) {
|
|
/* waiting for role switch result. save the api to control block */
|
|
memcpy(&p_scb->q_info.open, &p_data->api_open,
|
|
sizeof(tBTA_AV_API_OPEN));
|
|
p_scb->wait |= BTA_AV_WAIT_ROLE_SW_RES_OPEN;
|
|
p_scb->q_tag = BTA_AV_Q_TAG_OPEN;
|
|
} else {
|
|
ok_continue = true;
|
|
}
|
|
break;
|
|
|
|
case BTA_AV_RS_FAIL:
|
|
/* report a new failure event */
|
|
p_scb->open_status = BTA_AV_FAIL_ROLE;
|
|
APPL_TRACE_ERROR("%s: BTA_AV_SDP_DISC_FAIL_EVT: peer_addr=%s", __func__,
|
|
p_scb->PeerAddress().ToString().c_str());
|
|
bta_av_ssm_execute(p_scb, BTA_AV_SDP_DISC_FAIL_EVT, NULL);
|
|
break;
|
|
|
|
case BTA_AV_RS_OK:
|
|
p_data = (tBTA_AV_DATA*)&p_scb->q_info.open;
|
|
/* continue to open if link role is ok */
|
|
if (bta_av_link_role_ok(p_scb, A2DP_SET_MULTL_BIT)) {
|
|
ok_continue = true;
|
|
} else {
|
|
p_scb->wait |= BTA_AV_WAIT_ROLE_SW_RES_OPEN;
|
|
}
|
|
break;
|
|
|
|
case BTA_AV_RS_DONE:
|
|
ok_continue = true;
|
|
break;
|
|
}
|
|
|
|
APPL_TRACE_DEBUG("%s: ok_continue: %d wait:0x%x, q_tag: %d", __func__,
|
|
ok_continue, p_scb->wait, p_scb->q_tag);
|
|
if (!ok_continue) return;
|
|
|
|
/* clear the role switch bits */
|
|
p_scb->wait &= ~BTA_AV_WAIT_ROLE_SW_BITS;
|
|
|
|
if (p_scb->wait & BTA_AV_WAIT_CHECK_RC) {
|
|
p_scb->wait &= ~BTA_AV_WAIT_CHECK_RC;
|
|
bta_sys_start_timer(p_scb->avrc_ct_timer, BTA_AV_RC_DISC_TIME_VAL,
|
|
BTA_AV_AVRC_TIMER_EVT, p_scb->hndl);
|
|
}
|
|
|
|
/* store peer addr other parameters */
|
|
bta_av_save_addr(p_scb, p_data->api_open.bd_addr);
|
|
p_scb->use_rc = p_data->api_open.use_rc;
|
|
|
|
bta_sys_app_open(BTA_ID_AV, p_scb->app_id, p_scb->PeerAddress());
|
|
|
|
/* set up parameters */
|
|
db_params.db_len = BTA_AV_DISC_BUF_SIZE;
|
|
db_params.num_attr = 3;
|
|
db_params.p_attrs = attr_list;
|
|
p_scb->uuid_int = p_data->api_open.uuid;
|
|
p_scb->sdp_discovery_started = true;
|
|
if (p_scb->uuid_int == UUID_SERVCLASS_AUDIO_SINK)
|
|
sdp_uuid = UUID_SERVCLASS_AUDIO_SOURCE;
|
|
else if (p_scb->uuid_int == UUID_SERVCLASS_AUDIO_SOURCE)
|
|
sdp_uuid = UUID_SERVCLASS_AUDIO_SINK;
|
|
|
|
APPL_TRACE_DEBUG(
|
|
"%s: Initiate SDP discovery for peer %s : uuid_int=0x%x "
|
|
"sdp_uuid=0x%x",
|
|
__func__, p_scb->PeerAddress().ToString().c_str(), p_scb->uuid_int,
|
|
sdp_uuid);
|
|
tA2DP_STATUS find_service_status = A2DP_FindService(
|
|
sdp_uuid, p_scb->PeerAddress(), &db_params, bta_av_a2dp_sdp_cback);
|
|
if (find_service_status != A2DP_SUCCESS) {
|
|
APPL_TRACE_ERROR(
|
|
"%s: A2DP_FindService() failed for peer %s uuid_int=0x%x "
|
|
"sdp_uuid=0x%x : status=%d",
|
|
__func__, p_scb->PeerAddress().ToString().c_str(), p_scb->uuid_int,
|
|
sdp_uuid, find_service_status);
|
|
bta_av_a2dp_sdp_cback(false, nullptr, p_scb->PeerAddress());
|
|
} else {
|
|
/* only one A2DP find service is active at a time */
|
|
bta_av_cb.handle = p_scb->hndl;
|
|
}
|
|
}
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* Function bta_av_cleanup
|
|
*
|
|
* Description cleanup AV stream control block.
|
|
*
|
|
* Returns void
|
|
*
|
|
******************************************************************************/
|
|
void bta_av_cleanup(tBTA_AV_SCB* p_scb, UNUSED_ATTR tBTA_AV_DATA* p_data) {
|
|
tBTA_AV_CONN_CHG msg;
|
|
uint8_t role = BTA_AV_ROLE_AD_INT;
|
|
|
|
LOG_INFO("%s peer %s", __func__, p_scb->PeerAddress().ToString().c_str());
|
|
|
|
/* free any buffers */
|
|
p_scb->sdp_discovery_started = false;
|
|
p_scb->SetAvdtpVersion(0);
|
|
|
|
/* initialize some control block variables */
|
|
p_scb->open_status = BTA_AV_SUCCESS;
|
|
|
|
/* if de-registering shut everything down */
|
|
msg.hdr.layer_specific = p_scb->hndl;
|
|
p_scb->started = false;
|
|
p_scb->offload_started = false;
|
|
p_scb->use_rtp_header_marker_bit = false;
|
|
p_scb->cong = false;
|
|
p_scb->role = role;
|
|
p_scb->cur_psc_mask = 0;
|
|
p_scb->wait = 0;
|
|
p_scb->num_disc_snks = 0;
|
|
p_scb->coll_mask = 0;
|
|
alarm_cancel(p_scb->avrc_ct_timer);
|
|
alarm_cancel(p_scb->link_signalling_timer);
|
|
alarm_cancel(p_scb->accept_signalling_timer);
|
|
|
|
/* TODO(eisenbach): RE-IMPLEMENT USING VSC OR HAL EXTENSION
|
|
vendor_get_interface()->send_command(
|
|
(vendor_opcode_t)BT_VND_OP_A2DP_OFFLOAD_STOP, (void*)&p_scb->l2c_cid);
|
|
if (p_scb->offload_start_pending) {
|
|
tBTA_AV_STATUS status = BTA_AV_FAIL_STREAM;
|
|
tBTA_AV bta_av_data;
|
|
bta_av_data.status = status;
|
|
(*bta_av_cb.p_cback)(BTA_AV_OFFLOAD_START_RSP_EVT, &bta_av_data);
|
|
}
|
|
*/
|
|
|
|
p_scb->offload_start_pending = false;
|
|
|
|
if (p_scb->deregistering) {
|
|
/* remove stream */
|
|
for (int i = 0; i < BTAV_A2DP_CODEC_INDEX_MAX; i++) {
|
|
if (p_scb->seps[i].av_handle) AVDT_RemoveStream(p_scb->seps[i].av_handle);
|
|
p_scb->seps[i].av_handle = 0;
|
|
}
|
|
|
|
bta_av_dereg_comp((tBTA_AV_DATA*)&msg);
|
|
} else {
|
|
/* report stream closed to main SM */
|
|
msg.is_up = false;
|
|
msg.peer_addr = p_scb->PeerAddress();
|
|
bta_av_conn_chg((tBTA_AV_DATA*)&msg);
|
|
}
|
|
}
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* Function bta_av_free_sdb
|
|
*
|
|
* Description Free service discovery db buffer.
|
|
*
|
|
* Returns void
|
|
*
|
|
******************************************************************************/
|
|
void bta_av_free_sdb(tBTA_AV_SCB* p_scb, UNUSED_ATTR tBTA_AV_DATA* p_data) {
|
|
p_scb->sdp_discovery_started = false;
|
|
}
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* Function bta_av_config_ind
|
|
*
|
|
* Description Handle a stream configuration indication from the peer.
|
|
*
|
|
* Returns void
|
|
*
|
|
******************************************************************************/
|
|
void bta_av_config_ind(tBTA_AV_SCB* p_scb, tBTA_AV_DATA* p_data) {
|
|
tBTA_AV_CI_SETCONFIG setconfig{};
|
|
tAVDT_SEP_INFO* p_info;
|
|
const AvdtpSepConfig* p_evt_cfg = &p_data->str_msg.cfg;
|
|
uint8_t psc_mask = (p_evt_cfg->psc_mask | p_scb->cfg.psc_mask);
|
|
uint8_t
|
|
local_sep; /* sep type of local handle on which connection was received */
|
|
tBTA_AV_STR_MSG* p_msg = (tBTA_AV_STR_MSG*)p_data;
|
|
|
|
local_sep = bta_av_get_scb_sep_type(p_scb, p_msg->handle);
|
|
p_scb->avdt_label = p_data->str_msg.msg.hdr.label;
|
|
|
|
APPL_TRACE_DEBUG("%s: peer %s bta_handle:0x%x local_sep:%d", __func__,
|
|
p_scb->PeerAddress().ToString().c_str(), p_scb->hndl,
|
|
local_sep);
|
|
APPL_TRACE_DEBUG("%s: codec: %s", __func__,
|
|
A2DP_CodecInfoString(p_evt_cfg->codec_info).c_str());
|
|
|
|
memcpy(p_scb->cfg.codec_info, p_evt_cfg->codec_info, AVDT_CODEC_SIZE);
|
|
bta_av_save_addr(p_scb, p_data->str_msg.bd_addr);
|
|
|
|
/* Clear collision mask */
|
|
p_scb->coll_mask = 0;
|
|
alarm_cancel(p_scb->accept_signalling_timer);
|
|
|
|
/* if no codec parameters in configuration, fail */
|
|
if ((p_evt_cfg->num_codec == 0) ||
|
|
/* or the peer requests for a service we do not support */
|
|
((psc_mask != p_scb->cfg.psc_mask) &&
|
|
(psc_mask != (p_scb->cfg.psc_mask & ~AVDT_PSC_DELAY_RPT)))) {
|
|
setconfig.hndl = p_scb->hndl; /* we may not need this */
|
|
setconfig.err_code = AVDT_ERR_UNSUP_CFG;
|
|
bta_av_ssm_execute(p_scb, BTA_AV_CI_SETCONFIG_FAIL_EVT,
|
|
(tBTA_AV_DATA*)&setconfig);
|
|
} else {
|
|
p_info = &p_scb->sep_info[0];
|
|
p_info->in_use = 0;
|
|
p_info->media_type = p_scb->media_type;
|
|
p_info->seid = p_data->str_msg.msg.config_ind.int_seid;
|
|
|
|
/* Sep type of Peer will be oppsite role to our local sep */
|
|
if (local_sep == AVDT_TSEP_SRC)
|
|
p_info->tsep = AVDT_TSEP_SNK;
|
|
else if (local_sep == AVDT_TSEP_SNK)
|
|
p_info->tsep = AVDT_TSEP_SRC;
|
|
|
|
p_scb->role |= BTA_AV_ROLE_AD_ACP;
|
|
p_scb->cur_psc_mask = p_evt_cfg->psc_mask;
|
|
if (bta_av_cb.features & BTA_AV_FEAT_RCTG)
|
|
p_scb->use_rc = true;
|
|
else
|
|
p_scb->use_rc = false;
|
|
|
|
p_scb->num_seps = 1;
|
|
p_scb->sep_info_idx = 0;
|
|
APPL_TRACE_DEBUG("%s: SEID: %d use_rc: %d cur_psc_mask:0x%x", __func__,
|
|
p_info->seid, p_scb->use_rc, p_scb->cur_psc_mask);
|
|
/* in case of A2DP SINK this is the first time peer data is being sent to
|
|
* co functions */
|
|
if (local_sep == AVDT_TSEP_SNK) {
|
|
p_scb->p_cos->setcfg(p_scb->hndl, p_scb->PeerAddress(),
|
|
p_evt_cfg->codec_info, p_info->seid,
|
|
p_evt_cfg->num_protect, p_evt_cfg->protect_info,
|
|
AVDT_TSEP_SNK, p_msg->handle);
|
|
} else {
|
|
p_scb->p_cos->setcfg(p_scb->hndl, p_scb->PeerAddress(),
|
|
p_evt_cfg->codec_info, p_info->seid,
|
|
p_evt_cfg->num_protect, p_evt_cfg->protect_info,
|
|
AVDT_TSEP_SRC, p_msg->handle);
|
|
}
|
|
}
|
|
}
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* Function bta_av_disconnect_req
|
|
*
|
|
* Description Disconnect AVDTP connection.
|
|
*
|
|
* Returns void
|
|
*
|
|
******************************************************************************/
|
|
void bta_av_disconnect_req(tBTA_AV_SCB* p_scb,
|
|
UNUSED_ATTR tBTA_AV_DATA* p_data) {
|
|
tBTA_AV_RCB* p_rcb;
|
|
|
|
APPL_TRACE_API("%s: conn_lcb: 0x%x peer_addr: %s", __func__,
|
|
bta_av_cb.conn_lcb, p_scb->PeerAddress().ToString().c_str());
|
|
|
|
alarm_cancel(p_scb->link_signalling_timer);
|
|
alarm_cancel(p_scb->accept_signalling_timer);
|
|
alarm_cancel(p_scb->avrc_ct_timer);
|
|
|
|
// conn_lcb is the index bitmask of all used LCBs, and since LCB and SCB use
|
|
// the same index, it should be safe to use SCB index here.
|
|
if ((bta_av_cb.conn_lcb & (1 << p_scb->hdi)) != 0) {
|
|
p_rcb = bta_av_get_rcb_by_shdl((uint8_t)(p_scb->hdi + 1));
|
|
if (p_rcb) bta_av_del_rc(p_rcb);
|
|
AVDT_DisconnectReq(p_scb->PeerAddress(), &bta_av_proc_stream_evt);
|
|
} else {
|
|
APPL_TRACE_WARNING("%s: conn_lcb=0x%x bta_handle=0x%x (hdi=%u) no link",
|
|
__func__, bta_av_cb.conn_lcb, p_scb->hndl, p_scb->hdi);
|
|
bta_av_ssm_execute(p_scb, BTA_AV_AVDT_DISCONNECT_EVT, NULL);
|
|
}
|
|
}
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* Function bta_av_security_req
|
|
*
|
|
* Description Send an AVDTP security request.
|
|
*
|
|
* Returns void
|
|
*
|
|
******************************************************************************/
|
|
void bta_av_security_req(tBTA_AV_SCB* p_scb, tBTA_AV_DATA* p_data) {
|
|
if (bta_av_cb.features & BTA_AV_FEAT_PROTECT) {
|
|
AVDT_SecurityReq(p_scb->avdt_handle, p_data->api_protect_req.p_data,
|
|
p_data->api_protect_req.len);
|
|
}
|
|
}
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* Function bta_av_security_rsp
|
|
*
|
|
* Description Send an AVDTP security response.
|
|
*
|
|
* Returns void
|
|
*
|
|
******************************************************************************/
|
|
void bta_av_security_rsp(tBTA_AV_SCB* p_scb, tBTA_AV_DATA* p_data) {
|
|
if (bta_av_cb.features & BTA_AV_FEAT_PROTECT) {
|
|
AVDT_SecurityRsp(p_scb->avdt_handle, p_scb->avdt_label,
|
|
p_data->api_protect_rsp.error_code,
|
|
p_data->api_protect_rsp.p_data,
|
|
p_data->api_protect_rsp.len);
|
|
} else {
|
|
AVDT_SecurityRsp(p_scb->avdt_handle, p_scb->avdt_label, AVDT_ERR_NSC, NULL,
|
|
0);
|
|
}
|
|
}
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* Function bta_av_setconfig_rsp
|
|
*
|
|
* Description setconfig is OK
|
|
*
|
|
* Returns void
|
|
*
|
|
******************************************************************************/
|
|
void bta_av_setconfig_rsp(tBTA_AV_SCB* p_scb, tBTA_AV_DATA* p_data) {
|
|
uint8_t num = p_data->ci_setconfig.num_seid + 1;
|
|
uint8_t avdt_handle = p_data->ci_setconfig.avdt_handle;
|
|
uint8_t* p_seid = p_data->ci_setconfig.p_seid;
|
|
int i;
|
|
uint8_t local_sep;
|
|
|
|
/* we like this codec_type. find the sep_idx */
|
|
local_sep = bta_av_get_scb_sep_type(p_scb, avdt_handle);
|
|
bta_av_adjust_seps_idx(p_scb, avdt_handle);
|
|
LOG_INFO(
|
|
"%s: peer %s bta_handle=0x%x avdt_handle=%d sep_idx=%d cur_psc_mask:0x%x",
|
|
__func__, p_scb->PeerAddress().ToString().c_str(), p_scb->hndl,
|
|
p_scb->avdt_handle, p_scb->sep_idx, p_scb->cur_psc_mask);
|
|
|
|
if ((AVDT_TSEP_SNK == local_sep) &&
|
|
(p_data->ci_setconfig.err_code == AVDT_SUCCESS) &&
|
|
(p_scb->seps[p_scb->sep_idx].p_app_sink_data_cback != NULL)) {
|
|
tBTA_AV_MEDIA av_sink_codec_info;
|
|
av_sink_codec_info.avk_config.bd_addr = p_scb->PeerAddress();
|
|
av_sink_codec_info.avk_config.codec_info = p_scb->cfg.codec_info;
|
|
p_scb->seps[p_scb->sep_idx].p_app_sink_data_cback(
|
|
p_scb->PeerAddress(), BTA_AV_SINK_MEDIA_CFG_EVT, &av_sink_codec_info);
|
|
}
|
|
|
|
AVDT_ConfigRsp(p_scb->avdt_handle, p_scb->avdt_label,
|
|
p_data->ci_setconfig.err_code, p_data->ci_setconfig.category);
|
|
|
|
alarm_cancel(p_scb->link_signalling_timer);
|
|
|
|
if (p_data->ci_setconfig.err_code == AVDT_SUCCESS) {
|
|
p_scb->wait = BTA_AV_WAIT_ACP_CAPS_ON;
|
|
if (p_data->ci_setconfig.recfg_needed)
|
|
p_scb->role |= BTA_AV_ROLE_SUSPEND_OPT;
|
|
APPL_TRACE_DEBUG("%s: recfg_needed:%d role:0x%x num:%d", __func__,
|
|
p_data->ci_setconfig.recfg_needed, p_scb->role, num);
|
|
/* callout module tells BTA the number of "good" SEPs and their SEIDs.
|
|
* getcap on these SEID */
|
|
p_scb->num_seps = num;
|
|
|
|
if (p_scb->cur_psc_mask & AVDT_PSC_DELAY_RPT)
|
|
p_scb->SetAvdtpVersion(AVDT_VERSION_1_3);
|
|
|
|
if (A2DP_GetCodecType(p_scb->cfg.codec_info) == A2DP_MEDIA_CT_SBC ||
|
|
num > 1) {
|
|
/* if SBC is used by the SNK as INT, discover req is not sent in
|
|
* bta_av_config_ind.
|
|
* call disc_res now */
|
|
/* this is called in A2DP SRC path only, In case of SINK we don't need it
|
|
*/
|
|
if (local_sep == AVDT_TSEP_SRC)
|
|
p_scb->p_cos->disc_res(p_scb->hndl, p_scb->PeerAddress(), num, num, 0,
|
|
UUID_SERVCLASS_AUDIO_SOURCE);
|
|
} else {
|
|
/* we do not know the peer device and it is using non-SBC codec
|
|
* we need to know all the SEPs on SNK */
|
|
if (p_scb->uuid_int == 0) p_scb->uuid_int = p_scb->open_api.uuid;
|
|
bta_av_discover_req(p_scb, NULL);
|
|
return;
|
|
}
|
|
|
|
for (i = 1; i < num; i++) {
|
|
APPL_TRACE_DEBUG("%s: sep_info[%d] SEID: %d", __func__, i, p_seid[i - 1]);
|
|
/* initialize the sep_info[] to get capabilities */
|
|
p_scb->sep_info[i].in_use = false;
|
|
p_scb->sep_info[i].tsep = AVDT_TSEP_SNK;
|
|
p_scb->sep_info[i].media_type = p_scb->media_type;
|
|
p_scb->sep_info[i].seid = p_seid[i - 1];
|
|
}
|
|
|
|
/* only in case of local sep as SRC we need to look for other SEPs, In case
|
|
* of SINK we don't */
|
|
if (local_sep == AVDT_TSEP_SRC) {
|
|
/* Make sure UUID has been initialized... */
|
|
if (p_scb->uuid_int == 0) p_scb->uuid_int = p_scb->open_api.uuid;
|
|
bta_av_next_getcap(p_scb, p_data);
|
|
}
|
|
}
|
|
}
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* Function bta_av_str_opened
|
|
*
|
|
* Description Stream opened OK (incoming/outgoing).
|
|
*
|
|
* Returns void
|
|
*
|
|
******************************************************************************/
|
|
void bta_av_str_opened(tBTA_AV_SCB* p_scb, tBTA_AV_DATA* p_data) {
|
|
tBTA_AV_CONN_CHG msg;
|
|
char remote_name[BTM_MAX_REM_BD_NAME_LEN] = "";
|
|
uint8_t* p;
|
|
|
|
APPL_TRACE_DEBUG("%s: peer %s bta_handle: 0x%x", __func__,
|
|
p_scb->PeerAddress().ToString().c_str(), p_scb->hndl);
|
|
|
|
msg.hdr.layer_specific = p_scb->hndl;
|
|
msg.is_up = true;
|
|
msg.peer_addr = p_scb->PeerAddress();
|
|
p_scb->l2c_cid = AVDT_GetL2CapChannel(p_scb->avdt_handle);
|
|
bta_av_conn_chg((tBTA_AV_DATA*)&msg);
|
|
/* set the congestion flag, so AV would not send media packets by accident */
|
|
p_scb->cong = true;
|
|
p_scb->offload_start_pending = false;
|
|
// Don't use AVDTP SUSPEND for restrict listed devices
|
|
btif_storage_get_stored_remote_name(p_scb->PeerAddress(), remote_name);
|
|
if (interop_match_name(INTEROP_DISABLE_AVDTP_SUSPEND, remote_name) ||
|
|
interop_match_addr(INTEROP_DISABLE_AVDTP_SUSPEND,
|
|
&p_scb->PeerAddress())) {
|
|
LOG_INFO("%s: disable AVDTP SUSPEND: interop matched name %s address %s",
|
|
__func__, remote_name, p_scb->PeerAddress().ToString().c_str());
|
|
p_scb->suspend_sup = false;
|
|
}
|
|
|
|
p_scb->stream_mtu =
|
|
p_data->str_msg.msg.open_ind.peer_mtu - AVDT_MEDIA_HDR_SIZE;
|
|
APPL_TRACE_DEBUG("%s: l2c_cid: 0x%x stream_mtu: %d", __func__, p_scb->l2c_cid,
|
|
p_scb->stream_mtu);
|
|
|
|
/* Set the media channel as high priority */
|
|
L2CA_SetTxPriority(p_scb->l2c_cid, L2CAP_CHNL_PRIORITY_HIGH);
|
|
L2CA_SetChnlFlushability(p_scb->l2c_cid, true);
|
|
|
|
bta_sys_conn_open(BTA_ID_AV, p_scb->app_id, p_scb->PeerAddress());
|
|
memset(&p_scb->q_info, 0, sizeof(tBTA_AV_Q_INFO));
|
|
|
|
p_scb->l2c_bufs = 0;
|
|
p_scb->p_cos->open(p_scb->hndl, p_scb->PeerAddress(), p_scb->stream_mtu);
|
|
|
|
{
|
|
/* TODO check if other audio channel is open.
|
|
* If yes, check if reconfig is needed
|
|
* Rigt now we do not do this kind of checking.
|
|
* BTA-AV is INT for 2nd audio connection.
|
|
* The application needs to make sure the current codec_info is proper.
|
|
* If one audio connection is open and another SNK attempts to connect to
|
|
* AV,
|
|
* the connection will be rejected.
|
|
*/
|
|
/* check if other audio channel is started. If yes, start */
|
|
tBTA_AV_OPEN open;
|
|
open.bd_addr = p_scb->PeerAddress();
|
|
open.chnl = p_scb->chnl;
|
|
open.hndl = p_scb->hndl;
|
|
open.status = BTA_AV_SUCCESS;
|
|
open.edr = 0;
|
|
p = BTM_ReadRemoteFeatures(p_scb->PeerAddress());
|
|
if (p != NULL) {
|
|
if (HCI_EDR_ACL_2MPS_SUPPORTED(p)) open.edr |= BTA_AV_EDR_2MBPS;
|
|
if (HCI_EDR_ACL_3MPS_SUPPORTED(p)) {
|
|
if (!interop_match_addr(INTEROP_2MBPS_LINK_ONLY,
|
|
&p_scb->PeerAddress())) {
|
|
open.edr |= BTA_AV_EDR_3MBPS;
|
|
}
|
|
}
|
|
}
|
|
bta_ar_avdt_conn(BTA_ID_AV, open.bd_addr, p_scb->hdi);
|
|
if (p_scb->seps[p_scb->sep_idx].tsep == AVDT_TSEP_SRC) {
|
|
open.starting = false;
|
|
open.sep = AVDT_TSEP_SNK;
|
|
} else if (p_scb->seps[p_scb->sep_idx].tsep == AVDT_TSEP_SNK) {
|
|
open.starting = bta_av_chk_start(p_scb);
|
|
open.sep = AVDT_TSEP_SRC;
|
|
}
|
|
|
|
tBTA_AV bta_av_data;
|
|
bta_av_data.open = open;
|
|
(*bta_av_cb.p_cback)(BTA_AV_OPEN_EVT, &bta_av_data);
|
|
if (open.starting) {
|
|
bta_av_ssm_execute(p_scb, BTA_AV_AP_START_EVT, NULL);
|
|
}
|
|
}
|
|
|
|
// This code is used to pass PTS TC for AVDTP ABORT
|
|
char value[PROPERTY_VALUE_MAX] = {0};
|
|
if ((osi_property_get("bluetooth.pts.force_a2dp_abort", value, "false")) &&
|
|
(!strcmp(value, "true"))) {
|
|
APPL_TRACE_ERROR("%s: Calling AVDT_AbortReq", __func__);
|
|
AVDT_AbortReq(p_scb->avdt_handle);
|
|
}
|
|
}
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* Function bta_av_security_ind
|
|
*
|
|
* Description Handle an AVDTP security indication.
|
|
*
|
|
* Returns void
|
|
*
|
|
******************************************************************************/
|
|
void bta_av_security_ind(tBTA_AV_SCB* p_scb, tBTA_AV_DATA* p_data) {
|
|
p_scb->avdt_label = p_data->str_msg.msg.hdr.label;
|
|
|
|
if (bta_av_cb.features & BTA_AV_FEAT_PROTECT) {
|
|
tBTA_AV_PROTECT_REQ protect_req;
|
|
protect_req.chnl = p_scb->chnl;
|
|
protect_req.hndl = p_scb->hndl;
|
|
protect_req.p_data = p_data->str_msg.msg.security_ind.p_data;
|
|
protect_req.len = p_data->str_msg.msg.security_ind.len;
|
|
|
|
tBTA_AV bta_av_data;
|
|
bta_av_data.protect_req = protect_req;
|
|
(*bta_av_cb.p_cback)(BTA_AV_PROTECT_REQ_EVT, &bta_av_data);
|
|
}
|
|
/* app doesn't support security indication; respond with failure */
|
|
else {
|
|
AVDT_SecurityRsp(p_scb->avdt_handle, p_scb->avdt_label, AVDT_ERR_NSC, NULL,
|
|
0);
|
|
}
|
|
}
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* Function bta_av_security_cfm
|
|
*
|
|
* Description Handle an AVDTP security confirm.
|
|
*
|
|
* Returns void
|
|
*
|
|
******************************************************************************/
|
|
void bta_av_security_cfm(tBTA_AV_SCB* p_scb, tBTA_AV_DATA* p_data) {
|
|
if (bta_av_cb.features & BTA_AV_FEAT_PROTECT) {
|
|
tBTA_AV_PROTECT_RSP protect_rsp;
|
|
protect_rsp.chnl = p_scb->chnl;
|
|
protect_rsp.hndl = p_scb->hndl;
|
|
protect_rsp.p_data = p_data->str_msg.msg.security_cfm.p_data;
|
|
protect_rsp.len = p_data->str_msg.msg.security_cfm.len;
|
|
protect_rsp.err_code = p_data->str_msg.msg.hdr.err_code;
|
|
|
|
tBTA_AV bta_av_data;
|
|
bta_av_data.protect_rsp = protect_rsp;
|
|
(*bta_av_cb.p_cback)(BTA_AV_PROTECT_RSP_EVT, &bta_av_data);
|
|
}
|
|
}
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* Function bta_av_do_close
|
|
*
|
|
* Description Close stream.
|
|
*
|
|
* Returns void
|
|
*
|
|
******************************************************************************/
|
|
void bta_av_do_close(tBTA_AV_SCB* p_scb, UNUSED_ATTR tBTA_AV_DATA* p_data) {
|
|
APPL_TRACE_DEBUG("%s: p_scb->co_started=%d", __func__, p_scb->co_started);
|
|
|
|
/* stop stream if started */
|
|
if (p_scb->co_started) {
|
|
bta_av_str_stopped(p_scb, NULL);
|
|
}
|
|
alarm_cancel(p_scb->link_signalling_timer);
|
|
|
|
/* close stream */
|
|
p_scb->started = false;
|
|
p_scb->use_rtp_header_marker_bit = false;
|
|
|
|
/* drop the buffers queued in L2CAP */
|
|
L2CA_FlushChannel(p_scb->l2c_cid, L2CAP_FLUSH_CHANS_ALL);
|
|
|
|
AVDT_CloseReq(p_scb->avdt_handle);
|
|
/* just in case that the link is congested, link is flow controled by peer or
|
|
* for whatever reason the the close request can not be sent in time.
|
|
* when this timer expires, AVDT_DisconnectReq will be called to disconnect
|
|
* the link
|
|
*/
|
|
bta_sys_start_timer(p_scb->avrc_ct_timer, BTA_AV_CLOSE_REQ_TIME_VAL,
|
|
BTA_AV_API_CLOSE_EVT, p_scb->hndl);
|
|
}
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* Function bta_av_connect_req
|
|
*
|
|
* Description Connect AVDTP connection.
|
|
*
|
|
* Returns void
|
|
*
|
|
******************************************************************************/
|
|
void bta_av_connect_req(tBTA_AV_SCB* p_scb, UNUSED_ATTR tBTA_AV_DATA* p_data) {
|
|
APPL_TRACE_DEBUG("%s: peer %s coll_mask=0x%02x", __func__,
|
|
p_scb->PeerAddress().ToString().c_str(), p_scb->coll_mask);
|
|
p_scb->sdp_discovery_started = false;
|
|
if (p_scb->coll_mask & BTA_AV_COLL_INC_TMR) {
|
|
/* SNK initiated L2C connection while SRC was doing SDP. */
|
|
/* Wait until timeout to check if SNK starts signalling. */
|
|
APPL_TRACE_WARNING("%s: coll_mask=0x%02x incoming timer is up", __func__,
|
|
p_scb->coll_mask);
|
|
p_scb->coll_mask |= BTA_AV_COLL_API_CALLED;
|
|
APPL_TRACE_EVENT("%s: updated coll_mask=0x%02x", __func__,
|
|
p_scb->coll_mask);
|
|
return;
|
|
}
|
|
|
|
AVDT_ConnectReq(p_scb->PeerAddress(), p_scb->hdi, &bta_av_proc_stream_evt);
|
|
}
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* Function bta_av_sdp_failed
|
|
*
|
|
* Description Service discovery failed.
|
|
*
|
|
* Returns void
|
|
*
|
|
******************************************************************************/
|
|
void bta_av_sdp_failed(tBTA_AV_SCB* p_scb, tBTA_AV_DATA* p_data) {
|
|
APPL_TRACE_ERROR("%s: peer_addr=%s open_status=%d", __func__,
|
|
p_scb->PeerAddress().ToString().c_str(), p_scb->open_status);
|
|
|
|
if (p_scb->open_status == BTA_AV_SUCCESS) {
|
|
p_scb->open_status = BTA_AV_FAIL_SDP;
|
|
}
|
|
|
|
p_scb->sdp_discovery_started = false;
|
|
bta_av_str_closed(p_scb, p_data);
|
|
}
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* Function bta_av_disc_results
|
|
*
|
|
* Description Handle the AVDTP discover results. Search through the
|
|
* results and find the first available stream, and get
|
|
* its capabilities.
|
|
*
|
|
* Returns void
|
|
*
|
|
******************************************************************************/
|
|
void bta_av_disc_results(tBTA_AV_SCB* p_scb, tBTA_AV_DATA* p_data) {
|
|
uint8_t num_snks = 0, num_srcs = 0, i;
|
|
/* our uuid in case we initiate connection */
|
|
uint16_t uuid_int = p_scb->uuid_int;
|
|
|
|
APPL_TRACE_DEBUG("%s: peer %s bta_handle: 0x%x initiator UUID 0x%x", __func__,
|
|
p_scb->PeerAddress().ToString().c_str(), p_scb->hndl,
|
|
uuid_int);
|
|
|
|
/* store number of stream endpoints returned */
|
|
p_scb->num_seps = p_data->str_msg.msg.discover_cfm.num_seps;
|
|
|
|
for (i = 0; i < p_scb->num_seps; i++) {
|
|
/* steam not in use, is a sink, and is audio */
|
|
if ((!p_scb->sep_info[i].in_use) &&
|
|
(p_scb->sep_info[i].media_type == p_scb->media_type)) {
|
|
if ((p_scb->sep_info[i].tsep == AVDT_TSEP_SNK) &&
|
|
(uuid_int == UUID_SERVCLASS_AUDIO_SOURCE))
|
|
num_snks++;
|
|
|
|
if ((p_scb->sep_info[i].tsep == AVDT_TSEP_SRC) &&
|
|
(uuid_int == UUID_SERVCLASS_AUDIO_SINK))
|
|
num_srcs++;
|
|
}
|
|
}
|
|
|
|
p_scb->p_cos->disc_res(p_scb->hndl, p_scb->PeerAddress(), p_scb->num_seps,
|
|
num_snks, num_srcs, uuid_int);
|
|
p_scb->num_disc_snks = num_snks;
|
|
p_scb->num_disc_srcs = num_srcs;
|
|
|
|
/* if we got any */
|
|
if (p_scb->num_seps > 0) {
|
|
/* initialize index into discovery results */
|
|
p_scb->sep_info_idx = 0;
|
|
|
|
/* get the capabilities of the first available stream */
|
|
bta_av_next_getcap(p_scb, p_data);
|
|
}
|
|
/* else we got discover response but with no streams; we're done */
|
|
else {
|
|
APPL_TRACE_ERROR("%s: BTA_AV_STR_DISC_FAIL_EVT: peer_addr=%s", __func__,
|
|
p_scb->PeerAddress().ToString().c_str());
|
|
bta_av_ssm_execute(p_scb, BTA_AV_STR_DISC_FAIL_EVT, p_data);
|
|
}
|
|
}
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* Function bta_av_disc_res_as_acp
|
|
*
|
|
* Description Handle the AVDTP discover results. Search through the
|
|
* results and find the first available stream, and get
|
|
* its capabilities.
|
|
*
|
|
* Returns void
|
|
*
|
|
******************************************************************************/
|
|
void bta_av_disc_res_as_acp(tBTA_AV_SCB* p_scb, tBTA_AV_DATA* p_data) {
|
|
uint8_t num_snks = 0, i;
|
|
|
|
APPL_TRACE_DEBUG("%s: peer %s bta_handle: 0x%x", __func__,
|
|
p_scb->PeerAddress().ToString().c_str(), p_scb->hndl);
|
|
|
|
/* store number of stream endpoints returned */
|
|
p_scb->num_seps = p_data->str_msg.msg.discover_cfm.num_seps;
|
|
|
|
for (i = 0; i < p_scb->num_seps; i++) {
|
|
/* steam is a sink, and is audio */
|
|
if ((p_scb->sep_info[i].tsep == AVDT_TSEP_SNK) &&
|
|
(p_scb->sep_info[i].media_type == p_scb->media_type)) {
|
|
p_scb->sep_info[i].in_use = false;
|
|
num_snks++;
|
|
}
|
|
}
|
|
p_scb->p_cos->disc_res(p_scb->hndl, p_scb->PeerAddress(), p_scb->num_seps,
|
|
num_snks, 0, UUID_SERVCLASS_AUDIO_SOURCE);
|
|
p_scb->num_disc_snks = num_snks;
|
|
p_scb->num_disc_srcs = 0;
|
|
|
|
/* if we got any */
|
|
if (p_scb->num_seps > 0) {
|
|
/* initialize index into discovery results */
|
|
p_scb->sep_info_idx = 0;
|
|
|
|
/* get the capabilities of the first available stream */
|
|
bta_av_next_getcap(p_scb, p_data);
|
|
}
|
|
/* else we got discover response but with no streams; we're done */
|
|
else {
|
|
APPL_TRACE_ERROR("%s: BTA_AV_STR_DISC_FAIL_EVT: peer_addr=%s", __func__,
|
|
p_scb->PeerAddress().ToString().c_str());
|
|
bta_av_ssm_execute(p_scb, BTA_AV_STR_DISC_FAIL_EVT, p_data);
|
|
}
|
|
}
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* Function bta_av_save_caps
|
|
*
|
|
* Description report the SNK SEP capabilities to application
|
|
*
|
|
* Returns void
|
|
*
|
|
******************************************************************************/
|
|
void bta_av_save_caps(tBTA_AV_SCB* p_scb, tBTA_AV_DATA* p_data) {
|
|
AvdtpSepConfig cfg;
|
|
tAVDT_SEP_INFO* p_info = &p_scb->sep_info[p_scb->sep_info_idx];
|
|
uint8_t old_wait = p_scb->wait;
|
|
bool getcap_done = false;
|
|
|
|
APPL_TRACE_DEBUG(
|
|
"%s: peer %s bta_handle:0x%x num_seps:%d sep_info_idx:%d wait:0x%x",
|
|
__func__, p_scb->PeerAddress().ToString().c_str(), p_scb->hndl,
|
|
p_scb->num_seps, p_scb->sep_info_idx, p_scb->wait);
|
|
APPL_TRACE_DEBUG("%s: codec: %s", __func__,
|
|
A2DP_CodecInfoString(p_scb->peer_cap.codec_info).c_str());
|
|
|
|
cfg = p_scb->peer_cap;
|
|
/* let application know the capability of the SNK */
|
|
if (p_scb->p_cos->getcfg(p_scb->hndl, p_scb->PeerAddress(), cfg.codec_info,
|
|
&p_scb->sep_info_idx, p_info->seid, &cfg.num_protect,
|
|
cfg.protect_info) != A2DP_SUCCESS) {
|
|
p_scb->sep_info_idx++;
|
|
APPL_TRACE_DEBUG("%s: result: next sep_info_idx:%d", __func__,
|
|
p_scb->sep_info_idx);
|
|
} else {
|
|
// All capabilities found
|
|
getcap_done = true;
|
|
APPL_TRACE_DEBUG("%s: result: done sep_info_idx:%d", __func__,
|
|
p_scb->sep_info_idx);
|
|
}
|
|
APPL_TRACE_DEBUG("%s: codec: %s", __func__,
|
|
A2DP_CodecInfoString(cfg.codec_info).c_str());
|
|
|
|
if (p_scb->num_seps > p_scb->sep_info_idx && !getcap_done) {
|
|
/* Some devices have seps at the end of the discover list, which is not */
|
|
/* matching media type(video not audio). */
|
|
/* In this case, we are done with getcap without sending another */
|
|
/* request to AVDT. */
|
|
if (!bta_av_next_getcap(p_scb, p_data)) getcap_done = true;
|
|
} else {
|
|
getcap_done = true;
|
|
}
|
|
|
|
if (getcap_done) {
|
|
APPL_TRACE_DEBUG("%s: getcap_done: num_seps:%d sep_info_idx:%d wait:0x%x",
|
|
__func__, p_scb->num_seps, p_scb->sep_info_idx,
|
|
p_scb->wait);
|
|
p_scb->wait &= ~(BTA_AV_WAIT_ACP_CAPS_ON | BTA_AV_WAIT_ACP_CAPS_STARTED);
|
|
if (old_wait & BTA_AV_WAIT_ACP_CAPS_STARTED) {
|
|
bta_av_start_ok(p_scb, NULL);
|
|
}
|
|
}
|
|
}
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* Function bta_av_set_use_rc
|
|
*
|
|
* Description set to use AVRC for this stream control block.
|
|
*
|
|
* Returns void
|
|
*
|
|
******************************************************************************/
|
|
void bta_av_set_use_rc(tBTA_AV_SCB* p_scb, UNUSED_ATTR tBTA_AV_DATA* p_data) {
|
|
p_scb->use_rc = true;
|
|
}
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* Function bta_av_cco_close
|
|
*
|
|
* Description call close call-out function.
|
|
*
|
|
* Returns void
|
|
*
|
|
******************************************************************************/
|
|
void bta_av_cco_close(tBTA_AV_SCB* p_scb, UNUSED_ATTR tBTA_AV_DATA* p_data) {
|
|
APPL_TRACE_DEBUG("%s: peer %s bta_handle:0x%x", __func__,
|
|
p_scb->PeerAddress().ToString().c_str(), p_scb->hndl);
|
|
p_scb->p_cos->close(p_scb->hndl, p_scb->PeerAddress());
|
|
}
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* Function bta_av_open_failed
|
|
*
|
|
* Description Failed to open an AVDT stream
|
|
*
|
|
* Returns void
|
|
*
|
|
******************************************************************************/
|
|
void bta_av_open_failed(tBTA_AV_SCB* p_scb, tBTA_AV_DATA* p_data) {
|
|
bool is_av_opened = false;
|
|
tBTA_AV_SCB* p_opened_scb = NULL;
|
|
uint8_t idx;
|
|
|
|
APPL_TRACE_ERROR("%s: peer_addr=%s", __func__,
|
|
p_scb->PeerAddress().ToString().c_str());
|
|
p_scb->open_status = BTA_AV_FAIL_STREAM;
|
|
bta_av_cco_close(p_scb, p_data);
|
|
|
|
/* check whether there is already an opened audio or video connection with the
|
|
* same device */
|
|
for (idx = 0; (idx < BTA_AV_NUM_STRS) && (!is_av_opened); idx++) {
|
|
p_opened_scb = bta_av_cb.p_scb[idx];
|
|
if (p_opened_scb && (p_opened_scb->state == BTA_AV_OPEN_SST) &&
|
|
(p_opened_scb->PeerAddress() == p_scb->PeerAddress()))
|
|
is_av_opened = true;
|
|
}
|
|
|
|
/* if there is already an active AV connnection with the same bd_addr,
|
|
don't send disconnect req, just report the open event with
|
|
BTA_AV_FAIL_GET_CAP status */
|
|
if (is_av_opened) {
|
|
tBTA_AV_OPEN open;
|
|
open.bd_addr = p_scb->PeerAddress();
|
|
open.chnl = p_scb->chnl;
|
|
open.hndl = p_scb->hndl;
|
|
open.status = BTA_AV_FAIL_GET_CAP;
|
|
open.starting = bta_av_chk_start(p_scb);
|
|
open.edr = 0;
|
|
/* set the state back to initial state */
|
|
bta_av_set_scb_sst_init(p_scb);
|
|
|
|
if (p_scb->seps[p_scb->sep_idx].tsep == AVDT_TSEP_SRC) {
|
|
open.sep = AVDT_TSEP_SNK;
|
|
} else if (p_scb->seps[p_scb->sep_idx].tsep == AVDT_TSEP_SNK) {
|
|
open.sep = AVDT_TSEP_SRC;
|
|
}
|
|
|
|
APPL_TRACE_ERROR(
|
|
"%s: there is already an active connection: peer_addr=%s chnl=%d "
|
|
"hndl=0x%x status=%d starting=%d edr=%d",
|
|
__func__, open.bd_addr.ToString().c_str(), open.chnl, open.hndl,
|
|
open.status, open.starting, open.edr);
|
|
|
|
tBTA_AV bta_av_data;
|
|
bta_av_data.open = open;
|
|
(*bta_av_cb.p_cback)(BTA_AV_OPEN_EVT, &bta_av_data);
|
|
} else {
|
|
AVDT_DisconnectReq(p_scb->PeerAddress(), &bta_av_proc_stream_evt);
|
|
}
|
|
}
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* Function bta_av_getcap_results
|
|
*
|
|
* Description Handle the AVDTP get capabilities results. Check the codec
|
|
* type and see if it matches ours. If it does not, get the
|
|
* capabilities of the next stream, if any.
|
|
*
|
|
* Returns void
|
|
*
|
|
******************************************************************************/
|
|
void bta_av_getcap_results(tBTA_AV_SCB* p_scb, tBTA_AV_DATA* p_data) {
|
|
AvdtpSepConfig cfg = p_scb->cfg;
|
|
uint8_t media_type = A2DP_GetMediaType(p_scb->peer_cap.codec_info);
|
|
tAVDT_SEP_INFO* p_info = &p_scb->sep_info[p_scb->sep_info_idx];
|
|
|
|
cfg.num_codec = 1;
|
|
cfg.num_protect = p_scb->peer_cap.num_protect;
|
|
memcpy(cfg.codec_info, p_scb->peer_cap.codec_info, AVDT_CODEC_SIZE);
|
|
memcpy(cfg.protect_info, p_scb->peer_cap.protect_info, AVDT_PROTECT_SIZE);
|
|
|
|
APPL_TRACE_DEBUG("%s: peer %s bta_handle:0x%x num_codec:%d psc_mask=0x%x",
|
|
__func__, p_scb->PeerAddress().ToString().c_str(),
|
|
p_scb->hndl, p_scb->peer_cap.num_codec, p_scb->cfg.psc_mask);
|
|
APPL_TRACE_DEBUG("%s: media type 0x%x, 0x%x", __func__, media_type,
|
|
p_scb->media_type);
|
|
APPL_TRACE_DEBUG("%s: codec: %s", __func__,
|
|
A2DP_CodecInfoString(p_scb->cfg.codec_info).c_str());
|
|
|
|
/* if codec present and we get a codec configuration */
|
|
if ((p_scb->peer_cap.num_codec != 0) && (media_type == p_scb->media_type) &&
|
|
(p_scb->p_cos->getcfg(p_scb->hndl, p_scb->PeerAddress(), cfg.codec_info,
|
|
&p_scb->sep_info_idx, p_info->seid,
|
|
&cfg.num_protect,
|
|
cfg.protect_info) == A2DP_SUCCESS)) {
|
|
/* UUID for which connection was initiatied */
|
|
uint16_t uuid_int = p_scb->uuid_int;
|
|
|
|
/* save copy of codec configuration */
|
|
p_scb->cfg = cfg;
|
|
|
|
APPL_TRACE_DEBUG("%s: result: sep_info_idx=%d", __func__,
|
|
p_scb->sep_info_idx);
|
|
APPL_TRACE_DEBUG("%s: codec: %s", __func__,
|
|
A2DP_CodecInfoString(p_scb->cfg.codec_info).c_str());
|
|
|
|
APPL_TRACE_DEBUG("%s: initiator UUID = 0x%x", __func__, uuid_int);
|
|
if (uuid_int == UUID_SERVCLASS_AUDIO_SOURCE)
|
|
bta_av_adjust_seps_idx(p_scb,
|
|
bta_av_get_scb_handle(p_scb, AVDT_TSEP_SRC));
|
|
else if (uuid_int == UUID_SERVCLASS_AUDIO_SINK)
|
|
bta_av_adjust_seps_idx(p_scb,
|
|
bta_av_get_scb_handle(p_scb, AVDT_TSEP_SNK));
|
|
LOG_INFO("%s: sep_idx=%d avdt_handle=%d bta_handle=0x%x", __func__,
|
|
p_scb->sep_idx, p_scb->avdt_handle, p_scb->hndl);
|
|
|
|
/* use only the services peer supports */
|
|
cfg.psc_mask &= p_scb->peer_cap.psc_mask;
|
|
p_scb->cur_psc_mask = cfg.psc_mask;
|
|
APPL_TRACE_DEBUG(
|
|
"%s: peer %s bta_handle:0x%x sep_idx:%d sep_info_idx:%d "
|
|
"cur_psc_mask:0x%x",
|
|
__func__, p_scb->PeerAddress().ToString().c_str(), p_scb->hndl,
|
|
p_scb->sep_idx, p_scb->sep_info_idx, p_scb->cur_psc_mask);
|
|
|
|
if ((uuid_int == UUID_SERVCLASS_AUDIO_SINK) &&
|
|
(p_scb->seps[p_scb->sep_idx].p_app_sink_data_cback != NULL)) {
|
|
APPL_TRACE_DEBUG("%s: configure decoder for Sink connection", __func__);
|
|
tBTA_AV_MEDIA av_sink_codec_info;
|
|
av_sink_codec_info.avk_config.bd_addr = p_scb->PeerAddress();
|
|
av_sink_codec_info.avk_config.codec_info = p_scb->cfg.codec_info;
|
|
p_scb->seps[p_scb->sep_idx].p_app_sink_data_cback(
|
|
p_scb->PeerAddress(), BTA_AV_SINK_MEDIA_CFG_EVT, &av_sink_codec_info);
|
|
}
|
|
|
|
if (uuid_int == UUID_SERVCLASS_AUDIO_SOURCE) {
|
|
A2DP_AdjustCodec(cfg.codec_info);
|
|
}
|
|
|
|
/* open the stream */
|
|
AVDT_OpenReq(p_scb->seps[p_scb->sep_idx].av_handle, p_scb->PeerAddress(),
|
|
p_scb->hdi, p_scb->sep_info[p_scb->sep_info_idx].seid, &cfg);
|
|
} else {
|
|
/* try the next stream, if any */
|
|
p_scb->sep_info_idx++;
|
|
bta_av_next_getcap(p_scb, p_data);
|
|
}
|
|
}
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* Function bta_av_setconfig_rej
|
|
*
|
|
* Description Send AVDTP set config reject.
|
|
*
|
|
* Returns void
|
|
*
|
|
******************************************************************************/
|
|
void bta_av_setconfig_rej(tBTA_AV_SCB* p_scb, tBTA_AV_DATA* p_data) {
|
|
tBTA_AV_REJECT reject;
|
|
uint8_t avdt_handle = p_data->ci_setconfig.avdt_handle;
|
|
|
|
bta_av_adjust_seps_idx(p_scb, avdt_handle);
|
|
LOG_INFO("%s: sep_idx=%d avdt_handle=%d bta_handle=0x%x", __func__,
|
|
p_scb->sep_idx, p_scb->avdt_handle, p_scb->hndl);
|
|
AVDT_ConfigRsp(p_scb->avdt_handle, p_scb->avdt_label, AVDT_ERR_UNSUP_CFG, 0);
|
|
|
|
reject.bd_addr = p_data->str_msg.bd_addr;
|
|
reject.hndl = p_scb->hndl;
|
|
|
|
tBTA_AV bta_av_data;
|
|
bta_av_data.reject = reject;
|
|
(*bta_av_cb.p_cback)(BTA_AV_REJECT_EVT, &bta_av_data);
|
|
}
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* Function bta_av_discover_req
|
|
*
|
|
* Description Send an AVDTP discover request to the peer.
|
|
*
|
|
* Returns void
|
|
*
|
|
******************************************************************************/
|
|
void bta_av_discover_req(tBTA_AV_SCB* p_scb, UNUSED_ATTR tBTA_AV_DATA* p_data) {
|
|
/* send avdtp discover request */
|
|
|
|
AVDT_DiscoverReq(p_scb->PeerAddress(), p_scb->hdi, p_scb->sep_info,
|
|
BTA_AV_NUM_SEPS, &bta_av_proc_stream_evt);
|
|
}
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* Function bta_av_conn_failed
|
|
*
|
|
* Description AVDTP connection failed.
|
|
*
|
|
* Returns void
|
|
*
|
|
******************************************************************************/
|
|
void bta_av_conn_failed(tBTA_AV_SCB* p_scb, tBTA_AV_DATA* p_data) {
|
|
APPL_TRACE_ERROR("%s: peer_addr=%s open_status=%d", __func__,
|
|
p_scb->PeerAddress().ToString().c_str(), p_scb->open_status);
|
|
|
|
p_scb->open_status = BTA_AV_FAIL_STREAM;
|
|
bta_av_str_closed(p_scb, p_data);
|
|
}
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* Function bta_av_do_start
|
|
*
|
|
* Description Start stream.
|
|
*
|
|
* Returns void
|
|
*
|
|
******************************************************************************/
|
|
void bta_av_do_start(tBTA_AV_SCB* p_scb, tBTA_AV_DATA* p_data) {
|
|
LOG_INFO(
|
|
"A2dp stream start peer:%s sco_occupied:%s av_role:0x%x started:%s "
|
|
"wait:0x%x",
|
|
PRIVATE_ADDRESS(p_scb->PeerAddress()),
|
|
logbool(bta_av_cb.sco_occupied).c_str(), p_scb->role,
|
|
logbool(p_scb->started).c_str(), p_scb->wait);
|
|
if (bta_av_cb.sco_occupied) {
|
|
LOG_WARN("A2dp stream start failed");
|
|
bta_av_start_failed(p_scb, p_data);
|
|
return;
|
|
}
|
|
|
|
/* disallow role switch during streaming, only if we are the central role
|
|
* i.e. allow role switch, if we are peripheral.
|
|
* It would not hurt us, if the peer device wants us to be central */
|
|
tHCI_ROLE cur_role;
|
|
if ((BTM_GetRole(p_scb->PeerAddress(), &cur_role) == BTM_SUCCESS) &&
|
|
(cur_role == HCI_ROLE_CENTRAL)) {
|
|
BTM_block_role_switch_for(p_scb->PeerAddress());
|
|
}
|
|
BTM_block_sniff_mode_for(p_scb->PeerAddress());
|
|
|
|
if (p_scb->started) {
|
|
p_scb->role |= BTA_AV_ROLE_START_INT;
|
|
if (p_scb->wait != 0) {
|
|
LOG_WARN(
|
|
"%s: peer %s start stream request ignored: "
|
|
"already waiting: sco_occupied:%s role:0x%x started:%s wait:0x%x",
|
|
__func__, p_scb->PeerAddress().ToString().c_str(),
|
|
logbool(bta_av_cb.sco_occupied).c_str(), p_scb->role,
|
|
logbool(p_scb->started).c_str(), p_scb->wait);
|
|
return;
|
|
}
|
|
if (p_scb->role & BTA_AV_ROLE_SUSPEND) {
|
|
notify_start_failed(p_scb);
|
|
} else {
|
|
bta_av_start_ok(p_scb, NULL);
|
|
}
|
|
return;
|
|
}
|
|
|
|
if ((p_scb->role & BTA_AV_ROLE_START_INT) != 0) {
|
|
LOG_WARN(
|
|
"%s: peer %s start stream request ignored: "
|
|
"already initiated: sco_occupied:%s role:0x%x started:%s wait:0x%x",
|
|
__func__, p_scb->PeerAddress().ToString().c_str(),
|
|
logbool(bta_av_cb.sco_occupied).c_str(), p_scb->role,
|
|
logbool(p_scb->started).c_str(), p_scb->wait);
|
|
return;
|
|
}
|
|
|
|
p_scb->role |= BTA_AV_ROLE_START_INT;
|
|
bta_sys_busy(BTA_ID_AV, bta_av_cb.audio_open_cnt, p_scb->PeerAddress());
|
|
uint16_t result = AVDT_StartReq(&p_scb->avdt_handle, 1);
|
|
if (result != AVDT_SUCCESS) {
|
|
LOG_ERROR("%s: AVDT_StartReq failed for peer %s result:%d", __func__,
|
|
p_scb->PeerAddress().ToString().c_str(), result);
|
|
bta_av_start_failed(p_scb, p_data);
|
|
}
|
|
LOG_INFO(
|
|
"%s: peer %s start requested: sco_occupied:%s role:0x%x "
|
|
"started:%s wait:0x%x",
|
|
__func__, p_scb->PeerAddress().ToString().c_str(),
|
|
logbool(bta_av_cb.sco_occupied).c_str(), p_scb->role,
|
|
logbool(p_scb->started).c_str(), p_scb->wait);
|
|
}
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* Function bta_av_str_stopped
|
|
*
|
|
* Description Stream stopped.
|
|
*
|
|
* Returns void
|
|
*
|
|
******************************************************************************/
|
|
void bta_av_str_stopped(tBTA_AV_SCB* p_scb, tBTA_AV_DATA* p_data) {
|
|
tBTA_AV_SUSPEND suspend_rsp;
|
|
uint8_t start = p_scb->started;
|
|
bool sus_evt = true;
|
|
BT_HDR* p_buf;
|
|
|
|
APPL_TRACE_ERROR(
|
|
"%s: peer %s bta_handle:0x%x audio_open_cnt:%d, p_data %p start:%d",
|
|
__func__, p_scb->PeerAddress().ToString().c_str(), p_scb->hndl,
|
|
bta_av_cb.audio_open_cnt, p_data, start);
|
|
|
|
bta_sys_idle(BTA_ID_AV, bta_av_cb.audio_open_cnt, p_scb->PeerAddress());
|
|
BTM_unblock_role_switch_for(p_scb->PeerAddress());
|
|
BTM_unblock_sniff_mode_for(p_scb->PeerAddress());
|
|
|
|
if (p_scb->co_started) {
|
|
if (p_scb->offload_started) {
|
|
bta_av_vendor_offload_stop();
|
|
p_scb->offload_started = false;
|
|
}
|
|
|
|
bta_av_stream_chg(p_scb, false);
|
|
p_scb->co_started = false;
|
|
|
|
p_scb->p_cos->stop(p_scb->hndl, p_scb->PeerAddress());
|
|
}
|
|
|
|
/* if q_info.a2dp_list is not empty, drop it now */
|
|
if (BTA_AV_CHNL_AUDIO == p_scb->chnl) {
|
|
while (!list_is_empty(p_scb->a2dp_list)) {
|
|
p_buf = (BT_HDR*)list_front(p_scb->a2dp_list);
|
|
list_remove(p_scb->a2dp_list, p_buf);
|
|
osi_free(p_buf);
|
|
}
|
|
|
|
/* drop the audio buffers queued in L2CAP */
|
|
if (p_data && p_data->api_stop.flush)
|
|
L2CA_FlushChannel(p_scb->l2c_cid, L2CAP_FLUSH_CHANS_ALL);
|
|
}
|
|
|
|
suspend_rsp.chnl = p_scb->chnl;
|
|
suspend_rsp.hndl = p_scb->hndl;
|
|
|
|
if (p_data && p_data->api_stop.suspend) {
|
|
APPL_TRACE_DEBUG("%s: peer %s suspending: %d, sup:%d", __func__,
|
|
p_scb->PeerAddress().ToString().c_str(), start,
|
|
p_scb->suspend_sup);
|
|
if ((start) && (p_scb->suspend_sup)) {
|
|
sus_evt = false;
|
|
p_scb->l2c_bufs = 0;
|
|
AVDT_SuspendReq(&p_scb->avdt_handle, 1);
|
|
}
|
|
|
|
/* send SUSPEND_EVT event only if not in reconfiguring state and sus_evt is
|
|
* true*/
|
|
if ((sus_evt) && (p_scb->state != BTA_AV_RCFG_SST)) {
|
|
suspend_rsp.status = BTA_AV_SUCCESS;
|
|
suspend_rsp.initiator = true;
|
|
tBTA_AV bta_av_data;
|
|
bta_av_data.suspend = suspend_rsp;
|
|
(*bta_av_cb.p_cback)(BTA_AV_SUSPEND_EVT, &bta_av_data);
|
|
}
|
|
} else {
|
|
suspend_rsp.status = BTA_AV_SUCCESS;
|
|
suspend_rsp.initiator = true;
|
|
APPL_TRACE_EVENT("%s: status %d", __func__, suspend_rsp.status);
|
|
|
|
// Send STOP_EVT event only if not in reconfiguring state.
|
|
// However, we should send STOP_EVT if we are reconfiguring when taking
|
|
// the Close->Configure->Open->Start path.
|
|
if (p_scb->state != BTA_AV_RCFG_SST ||
|
|
(p_data && p_data->api_stop.reconfig_stop)) {
|
|
tBTA_AV bta_av_data;
|
|
bta_av_data.suspend = suspend_rsp;
|
|
(*bta_av_cb.p_cback)(BTA_AV_STOP_EVT, &bta_av_data);
|
|
}
|
|
}
|
|
}
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* Function bta_av_reconfig
|
|
*
|
|
* Description process the reconfigure request.
|
|
* save the parameter in control block and
|
|
* suspend, reconfigure or close the stream
|
|
*
|
|
* Returns void
|
|
*
|
|
******************************************************************************/
|
|
void bta_av_reconfig(tBTA_AV_SCB* p_scb, tBTA_AV_DATA* p_data) {
|
|
AvdtpSepConfig* p_cfg;
|
|
tBTA_AV_API_STOP stop;
|
|
tBTA_AV_API_RCFG* p_rcfg = &p_data->api_reconfig;
|
|
|
|
APPL_TRACE_DEBUG("%s: r:%d, s:%d idx: %d (o:%d)", __func__, p_scb->recfg_sup,
|
|
p_scb->suspend_sup, p_scb->rcfg_idx, p_scb->sep_info_idx);
|
|
|
|
p_scb->num_recfg = 0;
|
|
/* store the new configuration in control block */
|
|
p_cfg = &p_scb->cfg;
|
|
|
|
alarm_cancel(p_scb->avrc_ct_timer);
|
|
|
|
LOG_DEBUG("p_scb->sep_info_idx=%d p_scb->rcfg_idx=%d p_rcfg->sep_info_idx=%d",
|
|
p_scb->sep_info_idx, p_scb->rcfg_idx, p_rcfg->sep_info_idx);
|
|
LOG_DEBUG("Peer capable codec: %s",
|
|
A2DP_CodecInfoString(p_scb->peer_cap.codec_info).c_str());
|
|
LOG_DEBUG("Current codec: %s",
|
|
A2DP_CodecInfoString(p_scb->cfg.codec_info).c_str());
|
|
LOG_DEBUG("Reconfig codec: %s",
|
|
A2DP_CodecInfoString(p_rcfg->codec_info).c_str());
|
|
|
|
BTM_LogHistory(
|
|
kBtmLogTag, p_scb->PeerAddress(), "Codec reconfig",
|
|
base::StringPrintf("%s => %s", A2DP_CodecName(p_scb->cfg.codec_info),
|
|
A2DP_CodecName(p_rcfg->codec_info)));
|
|
|
|
p_cfg->num_protect = p_rcfg->num_protect;
|
|
memcpy(p_cfg->codec_info, p_rcfg->codec_info, AVDT_CODEC_SIZE);
|
|
memcpy(p_cfg->protect_info, p_rcfg->p_protect_info, p_rcfg->num_protect);
|
|
p_scb->rcfg_idx = p_rcfg->sep_info_idx;
|
|
p_cfg->psc_mask = p_scb->cur_psc_mask;
|
|
|
|
// If the requested SEP index is same as the current one, then we
|
|
// can Suspend->Reconfigure->Start.
|
|
// Otherwise, we have to Close->Configure->Open->Start or
|
|
// Close->Configure->Open for streams that are / are not started.
|
|
if ((p_scb->rcfg_idx == p_scb->sep_info_idx) && p_rcfg->suspend &&
|
|
p_scb->recfg_sup && p_scb->suspend_sup) {
|
|
if (p_scb->started) {
|
|
// Suspend->Reconfigure->Start
|
|
stop.flush = false;
|
|
stop.suspend = true;
|
|
stop.reconfig_stop = false;
|
|
bta_av_str_stopped(p_scb, (tBTA_AV_DATA*)&stop);
|
|
} else {
|
|
// Reconfigure
|
|
APPL_TRACE_DEBUG("%s: reconfig", __func__);
|
|
APPL_TRACE_DEBUG("%s: codec: %s", __func__,
|
|
A2DP_CodecInfoString(p_scb->cfg.codec_info).c_str());
|
|
AVDT_ReconfigReq(p_scb->avdt_handle, &p_scb->cfg);
|
|
p_scb->cfg.psc_mask = p_scb->cur_psc_mask;
|
|
}
|
|
} else {
|
|
// Close the stream first, and then Configure it
|
|
APPL_TRACE_DEBUG("%s: Close/Open started: %d state: %d num_protect: %d",
|
|
__func__, p_scb->started, p_scb->state,
|
|
p_cfg->num_protect);
|
|
if (p_scb->started) {
|
|
// Close->Configure->Open->Start
|
|
if ((p_scb->rcfg_idx != p_scb->sep_info_idx) && p_scb->recfg_sup) {
|
|
// Make sure we trigger STOP_EVT when taking the longer road to
|
|
// reconfiguration, otherwise we don't call Start.
|
|
stop.flush = false;
|
|
stop.suspend = false;
|
|
stop.reconfig_stop = true;
|
|
bta_av_str_stopped(p_scb, (tBTA_AV_DATA*)&stop);
|
|
} else {
|
|
bta_av_str_stopped(p_scb, NULL);
|
|
}
|
|
p_scb->started = false;
|
|
} else {
|
|
// Close->Configure->Open
|
|
bta_av_str_stopped(p_scb, NULL);
|
|
}
|
|
// Drop the buffers queued in L2CAP
|
|
L2CA_FlushChannel(p_scb->l2c_cid, L2CAP_FLUSH_CHANS_ALL);
|
|
AVDT_CloseReq(p_scb->avdt_handle);
|
|
}
|
|
}
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* Function bta_av_data_path
|
|
*
|
|
* Description Handle stream data path.
|
|
*
|
|
* Returns void
|
|
*
|
|
******************************************************************************/
|
|
void bta_av_data_path(tBTA_AV_SCB* p_scb, UNUSED_ATTR tBTA_AV_DATA* p_data) {
|
|
BT_HDR* p_buf = NULL;
|
|
uint32_t timestamp;
|
|
bool new_buf = false;
|
|
uint8_t m_pt = 0x60;
|
|
tAVDT_DATA_OPT_MASK opt;
|
|
|
|
if (!p_scb->started) return;
|
|
|
|
if (p_scb->cong) return;
|
|
|
|
if (p_scb->use_rtp_header_marker_bit) {
|
|
m_pt |= AVDT_MARKER_SET;
|
|
}
|
|
|
|
// Always get the current number of bufs que'd up
|
|
p_scb->l2c_bufs =
|
|
(uint8_t)L2CA_FlushChannel(p_scb->l2c_cid, L2CAP_FLUSH_CHANS_GET);
|
|
|
|
if (!list_is_empty(p_scb->a2dp_list)) {
|
|
p_buf = (BT_HDR*)list_front(p_scb->a2dp_list);
|
|
list_remove(p_scb->a2dp_list, p_buf);
|
|
/* use q_info.a2dp data, read the timestamp */
|
|
timestamp = *(uint32_t*)(p_buf + 1);
|
|
} else {
|
|
new_buf = true;
|
|
/* A2DP_list empty, call co_data, dup data to other channels */
|
|
p_buf = p_scb->p_cos->data(p_scb->cfg.codec_info, ×tamp);
|
|
|
|
if (p_buf) {
|
|
/* use the offset area for the time stamp */
|
|
*(uint32_t*)(p_buf + 1) = timestamp;
|
|
|
|
/* dup the data to other channels */
|
|
bta_av_dup_audio_buf(p_scb, p_buf);
|
|
}
|
|
}
|
|
|
|
if (p_buf) {
|
|
if (p_scb->l2c_bufs < (BTA_AV_QUEUE_DATA_CHK_NUM)) {
|
|
/* There's a buffer, just queue it to L2CAP.
|
|
* There's no need to increment it here, it is always read from
|
|
* L2CAP (see above).
|
|
*/
|
|
|
|
/* opt is a bit mask, it could have several options set */
|
|
opt = AVDT_DATA_OPT_NONE;
|
|
if (p_scb->no_rtp_header) {
|
|
opt |= AVDT_DATA_OPT_NO_RTP;
|
|
}
|
|
|
|
//
|
|
// Fragment the payload if larger than the MTU.
|
|
// NOTE: The fragmentation is RTP-compatibie.
|
|
//
|
|
size_t extra_fragments_n = 0;
|
|
if (p_buf->len > 0) {
|
|
extra_fragments_n = (p_buf->len / p_scb->stream_mtu) +
|
|
((p_buf->len % p_scb->stream_mtu) ? 1 : 0) - 1;
|
|
}
|
|
std::vector<BT_HDR*> extra_fragments;
|
|
extra_fragments.reserve(extra_fragments_n);
|
|
|
|
uint8_t* data_begin = (uint8_t*)(p_buf + 1) + p_buf->offset;
|
|
uint8_t* data_end = (uint8_t*)(p_buf + 1) + p_buf->offset + p_buf->len;
|
|
while (extra_fragments_n-- > 0) {
|
|
data_begin += p_scb->stream_mtu;
|
|
size_t fragment_len = data_end - data_begin;
|
|
if (fragment_len > p_scb->stream_mtu) fragment_len = p_scb->stream_mtu;
|
|
|
|
BT_HDR* p_buf2 = (BT_HDR*)osi_malloc(BT_DEFAULT_BUFFER_SIZE);
|
|
p_buf2->offset = p_buf->offset;
|
|
p_buf2->len = 0;
|
|
p_buf2->layer_specific = 0;
|
|
uint8_t* packet2 =
|
|
(uint8_t*)(p_buf2 + 1) + p_buf2->offset + p_buf2->len;
|
|
memcpy(packet2, data_begin, fragment_len);
|
|
p_buf2->len += fragment_len;
|
|
extra_fragments.push_back(p_buf2);
|
|
p_buf->len -= fragment_len;
|
|
}
|
|
|
|
if (!extra_fragments.empty()) {
|
|
// Reset the RTP Marker bit for all fragments except the last one
|
|
m_pt &= ~AVDT_MARKER_SET;
|
|
}
|
|
AVDT_WriteReqOpt(p_scb->avdt_handle, p_buf, timestamp, m_pt, opt);
|
|
for (size_t i = 0; i < extra_fragments.size(); i++) {
|
|
if (i + 1 == extra_fragments.size()) {
|
|
// Set the RTP Marker bit for the last fragment
|
|
m_pt |= AVDT_MARKER_SET;
|
|
}
|
|
BT_HDR* p_buf2 = extra_fragments[i];
|
|
AVDT_WriteReqOpt(p_scb->avdt_handle, p_buf2, timestamp, m_pt, opt);
|
|
}
|
|
p_scb->cong = true;
|
|
} else {
|
|
/* there's a buffer, but L2CAP does not seem to be moving data */
|
|
if (new_buf) {
|
|
/* just got this buffer from co_data,
|
|
* put it in queue */
|
|
list_append(p_scb->a2dp_list, p_buf);
|
|
} else {
|
|
/* just dequeue it from the a2dp_list */
|
|
if (list_length(p_scb->a2dp_list) < 3) {
|
|
/* put it back to the queue */
|
|
list_prepend(p_scb->a2dp_list, p_buf);
|
|
} else {
|
|
/* too many buffers in a2dp_list, drop it. */
|
|
bta_av_co_audio_drop(p_scb->hndl, p_scb->PeerAddress());
|
|
osi_free(p_buf);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* Function bta_av_start_ok
|
|
*
|
|
* Description Stream started.
|
|
*
|
|
* Returns void
|
|
*
|
|
******************************************************************************/
|
|
void bta_av_start_ok(tBTA_AV_SCB* p_scb, tBTA_AV_DATA* p_data) {
|
|
bool initiator = false;
|
|
bool suspend = false;
|
|
uint8_t new_role = p_scb->role;
|
|
BT_HDR_RIGID hdr;
|
|
tHCI_ROLE cur_role;
|
|
uint8_t local_tsep = p_scb->seps[p_scb->sep_idx].tsep;
|
|
|
|
LOG_INFO("%s: peer %s bta_handle:0x%x wait:0x%x role:0x%x local_tsep:%d",
|
|
__func__, p_scb->PeerAddress().ToString().c_str(), p_scb->hndl,
|
|
p_scb->wait, p_scb->role, local_tsep);
|
|
|
|
p_scb->started = true;
|
|
|
|
if (local_tsep == AVDT_TSEP_SRC) {
|
|
// The RTP Header marker bit for the A2DP Source encoder
|
|
A2dpCodecConfig* codec_config =
|
|
bta_av_get_a2dp_peer_current_codec(p_scb->PeerAddress());
|
|
CHECK(codec_config != nullptr);
|
|
p_scb->use_rtp_header_marker_bit = codec_config->useRtpHeaderMarkerBit();
|
|
}
|
|
|
|
if (p_scb->sco_suspend) {
|
|
p_scb->sco_suspend = false;
|
|
}
|
|
|
|
if (new_role & BTA_AV_ROLE_START_INT) initiator = true;
|
|
|
|
/* for A2DP SINK we do not send get_caps */
|
|
if ((p_scb->avdt_handle == p_scb->seps[p_scb->sep_idx].av_handle) &&
|
|
(local_tsep == AVDT_TSEP_SNK)) {
|
|
p_scb->wait &= ~(BTA_AV_WAIT_ACP_CAPS_ON);
|
|
APPL_TRACE_DEBUG("%s: local SEP type is SNK new wait is 0x%x", __func__,
|
|
p_scb->wait);
|
|
}
|
|
if (p_scb->wait & BTA_AV_WAIT_ROLE_SW_FAILED) {
|
|
/* role switch has failed */
|
|
APPL_TRACE_ERROR(
|
|
"%s: peer %s role switch failed: bta_handle:0x%x wait:0x%x, role:0x%x",
|
|
__func__, p_scb->PeerAddress().ToString().c_str(), p_scb->hndl,
|
|
p_scb->wait, p_scb->role);
|
|
p_scb->wait &= ~BTA_AV_WAIT_ROLE_SW_FAILED;
|
|
p_data = (tBTA_AV_DATA*)&hdr;
|
|
hdr.offset = BTA_AV_RS_FAIL;
|
|
}
|
|
APPL_TRACE_DEBUG("%s: peer %s wait:0x%x use_rtp_header_marker_bit:%s",
|
|
__func__, p_scb->PeerAddress().ToString().c_str(),
|
|
p_scb->wait,
|
|
(p_scb->use_rtp_header_marker_bit) ? "true" : "false");
|
|
|
|
if (p_data && (p_data->hdr.offset != BTA_AV_RS_NONE)) {
|
|
p_scb->wait &= ~BTA_AV_WAIT_ROLE_SW_BITS;
|
|
if (p_data->hdr.offset == BTA_AV_RS_FAIL) {
|
|
bta_sys_idle(BTA_ID_AV, bta_av_cb.audio_open_cnt, p_scb->PeerAddress());
|
|
tBTA_AV_START start;
|
|
start.chnl = p_scb->chnl;
|
|
start.status = BTA_AV_FAIL_ROLE;
|
|
start.hndl = p_scb->hndl;
|
|
start.initiator = initiator;
|
|
tBTA_AV bta_av_data;
|
|
bta_av_data.start = start;
|
|
(*bta_av_cb.p_cback)(BTA_AV_START_EVT, &bta_av_data);
|
|
return;
|
|
}
|
|
}
|
|
|
|
if (!bta_av_link_role_ok(p_scb, A2DP_SET_ONE_BIT))
|
|
p_scb->q_tag = BTA_AV_Q_TAG_START;
|
|
else {
|
|
/* The wait flag may be set here while we are already central on the link */
|
|
/* this could happen if a role switch complete event occurred during
|
|
* reconfig */
|
|
/* if we are now central on the link, there is no need to wait for the role
|
|
* switch, */
|
|
/* complete anymore so we can clear the wait for role switch flag */
|
|
p_scb->wait &= ~BTA_AV_WAIT_ROLE_SW_BITS;
|
|
}
|
|
|
|
if (p_scb->wait &
|
|
(BTA_AV_WAIT_ROLE_SW_RES_OPEN | BTA_AV_WAIT_ROLE_SW_RES_START)) {
|
|
p_scb->wait |= BTA_AV_WAIT_ROLE_SW_STARTED;
|
|
p_scb->q_tag = BTA_AV_Q_TAG_START;
|
|
}
|
|
|
|
if (p_scb->wait) {
|
|
APPL_TRACE_ERROR("%s: peer %s wait:0x%x q_tag:%d not started", __func__,
|
|
p_scb->PeerAddress().ToString().c_str(), p_scb->wait,
|
|
p_scb->q_tag);
|
|
/* Clear first bit of p_scb->wait and not to return from this point else
|
|
* HAL layer gets blocked. And if there is delay in Get Capability response
|
|
* as
|
|
* first bit of p_scb->wait is cleared hence it ensures bt_av_start_ok is
|
|
* not called
|
|
* again from bta_av_save_caps.
|
|
*/
|
|
p_scb->wait &= ~BTA_AV_WAIT_ACP_CAPS_ON;
|
|
}
|
|
|
|
/* tell role manager to check M/S role */
|
|
bta_sys_conn_open(BTA_ID_AV, p_scb->app_id, p_scb->PeerAddress());
|
|
|
|
bta_sys_busy(BTA_ID_AV, bta_av_cb.audio_open_cnt, p_scb->PeerAddress());
|
|
|
|
if (p_scb->media_type == AVDT_MEDIA_TYPE_AUDIO) {
|
|
/* in normal logic, conns should be bta_av_cb.audio_count - 1,
|
|
* However, bta_av_stream_chg is not called to increase
|
|
* bta_av_cb.audio_count yet.
|
|
* If the code were to be re-arranged for some reasons, this number may need
|
|
* to be changed
|
|
*/
|
|
p_scb->co_started = bta_av_cb.audio_open_cnt;
|
|
}
|
|
|
|
/* clear the congestion flag */
|
|
p_scb->cong = false;
|
|
|
|
if (new_role & BTA_AV_ROLE_START_INT) {
|
|
new_role &= ~BTA_AV_ROLE_START_INT;
|
|
} else if ((new_role & BTA_AV_ROLE_AD_ACP) &&
|
|
(new_role & BTA_AV_ROLE_SUSPEND_OPT)) {
|
|
suspend = true;
|
|
}
|
|
|
|
if (!suspend) {
|
|
p_scb->q_tag = BTA_AV_Q_TAG_STREAM;
|
|
bta_av_stream_chg(p_scb, true);
|
|
}
|
|
|
|
{
|
|
/* If sink starts stream, disable sniff mode here */
|
|
if (!initiator) {
|
|
/* If souce is the central role, disable role switch during streaming.
|
|
* Otherwise allow role switch, if source is peripheral.
|
|
* Because it would not hurt source, if the peer device wants source to be
|
|
* central */
|
|
if ((BTM_GetRole(p_scb->PeerAddress(), &cur_role) == BTM_SUCCESS) &&
|
|
(cur_role == HCI_ROLE_CENTRAL)) {
|
|
BTM_block_role_switch_for(p_scb->PeerAddress());
|
|
}
|
|
}
|
|
|
|
p_scb->role = new_role;
|
|
p_scb->role &= ~BTA_AV_ROLE_AD_ACP;
|
|
p_scb->role &= ~BTA_AV_ROLE_SUSPEND_OPT;
|
|
|
|
p_scb->no_rtp_header = false;
|
|
p_scb->p_cos->start(p_scb->hndl, p_scb->PeerAddress(),
|
|
p_scb->cfg.codec_info, &p_scb->no_rtp_header);
|
|
p_scb->co_started = true;
|
|
|
|
APPL_TRACE_DEBUG("%s: peer %s suspending: %d, role:0x%x, init %d", __func__,
|
|
p_scb->PeerAddress().ToString().c_str(), suspend,
|
|
p_scb->role, initiator);
|
|
|
|
tBTA_AV_START start;
|
|
start.suspending = suspend;
|
|
start.initiator = initiator;
|
|
start.chnl = p_scb->chnl;
|
|
start.status = BTA_AV_SUCCESS;
|
|
start.hndl = p_scb->hndl;
|
|
tBTA_AV bta_av_data;
|
|
bta_av_data.start = start;
|
|
(*bta_av_cb.p_cback)(BTA_AV_START_EVT, &bta_av_data);
|
|
|
|
if (suspend) {
|
|
tBTA_AV_API_STOP stop;
|
|
p_scb->role |= BTA_AV_ROLE_SUSPEND;
|
|
p_scb->cong = true; /* do not allow the media data to go through */
|
|
/* do not duplicate the media packets to this channel */
|
|
p_scb->p_cos->stop(p_scb->hndl, p_scb->PeerAddress());
|
|
p_scb->co_started = false;
|
|
stop.flush = false;
|
|
stop.suspend = true;
|
|
stop.reconfig_stop = false;
|
|
bta_av_ssm_execute(p_scb, BTA_AV_AP_STOP_EVT, (tBTA_AV_DATA*)&stop);
|
|
}
|
|
}
|
|
}
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* Function bta_av_start_failed
|
|
*
|
|
* Description Stream start failed.
|
|
*
|
|
* Returns void
|
|
*
|
|
******************************************************************************/
|
|
void bta_av_start_failed(tBTA_AV_SCB* p_scb, UNUSED_ATTR tBTA_AV_DATA* p_data) {
|
|
APPL_TRACE_ERROR(
|
|
"%s: peer %s bta_handle:0x%x audio_open_cnt:%d started:%s co_started:%d",
|
|
__func__, p_scb->PeerAddress().ToString().c_str(), p_scb->hndl,
|
|
bta_av_cb.audio_open_cnt, logbool(p_scb->started).c_str(),
|
|
p_scb->co_started);
|
|
|
|
if (!p_scb->started && !p_scb->co_started) {
|
|
bta_sys_idle(BTA_ID_AV, bta_av_cb.audio_open_cnt, p_scb->PeerAddress());
|
|
notify_start_failed(p_scb);
|
|
}
|
|
|
|
BTM_unblock_role_switch_for(p_scb->PeerAddress());
|
|
BTM_unblock_sniff_mode_for(p_scb->PeerAddress());
|
|
p_scb->sco_suspend = false;
|
|
}
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* Function bta_av_str_closed
|
|
*
|
|
* Description Stream closed.
|
|
*
|
|
* Returns void
|
|
*
|
|
******************************************************************************/
|
|
void bta_av_str_closed(tBTA_AV_SCB* p_scb, tBTA_AV_DATA* p_data) {
|
|
tBTA_AV data;
|
|
tBTA_AV_EVT event;
|
|
|
|
APPL_TRACE_WARNING(
|
|
"%s: peer %s bta_handle:0x%x open_status:%d chnl:%d co_started:%d",
|
|
__func__, p_scb->PeerAddress().ToString().c_str(), p_scb->hndl,
|
|
p_scb->open_status, p_scb->chnl, p_scb->co_started);
|
|
|
|
BTM_unblock_role_switch_for(p_scb->PeerAddress());
|
|
BTM_unblock_sniff_mode_for(p_scb->PeerAddress());
|
|
if (bta_av_cb.audio_open_cnt <= 1) {
|
|
BTM_default_unblock_role_switch();
|
|
}
|
|
|
|
if (p_scb->open_status != BTA_AV_SUCCESS) {
|
|
/* must be failure when opening the stream */
|
|
data.open.bd_addr = p_scb->PeerAddress();
|
|
data.open.status = p_scb->open_status;
|
|
data.open.chnl = p_scb->chnl;
|
|
data.open.hndl = p_scb->hndl;
|
|
|
|
if (p_scb->seps[p_scb->sep_idx].tsep == AVDT_TSEP_SRC)
|
|
data.open.sep = AVDT_TSEP_SNK;
|
|
else if (p_scb->seps[p_scb->sep_idx].tsep == AVDT_TSEP_SNK)
|
|
data.open.sep = AVDT_TSEP_SRC;
|
|
|
|
event = BTA_AV_OPEN_EVT;
|
|
p_scb->open_status = BTA_AV_SUCCESS;
|
|
|
|
bta_sys_conn_close(BTA_ID_AV, p_scb->app_id, p_scb->PeerAddress());
|
|
bta_av_cleanup(p_scb, p_data);
|
|
(*bta_av_cb.p_cback)(event, &data);
|
|
} else {
|
|
/* do stop if we were started */
|
|
if (p_scb->co_started) {
|
|
bta_av_str_stopped(p_scb, NULL);
|
|
}
|
|
|
|
{
|
|
p_scb->p_cos->close(p_scb->hndl, p_scb->PeerAddress());
|
|
data.close.chnl = p_scb->chnl;
|
|
data.close.hndl = p_scb->hndl;
|
|
event = BTA_AV_CLOSE_EVT;
|
|
|
|
bta_sys_conn_close(BTA_ID_AV, p_scb->app_id, p_scb->PeerAddress());
|
|
bta_av_cleanup(p_scb, p_data);
|
|
(*bta_av_cb.p_cback)(event, &data);
|
|
}
|
|
}
|
|
}
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* Function bta_av_clr_cong
|
|
*
|
|
* Description Clear stream congestion flag.
|
|
*
|
|
* Returns void
|
|
*
|
|
******************************************************************************/
|
|
void bta_av_clr_cong(tBTA_AV_SCB* p_scb, UNUSED_ATTR tBTA_AV_DATA* p_data) {
|
|
APPL_TRACE_DEBUG("%s", __func__);
|
|
if (p_scb->co_started) {
|
|
p_scb->cong = false;
|
|
}
|
|
}
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* Function bta_av_suspend_cfm
|
|
*
|
|
* Description process the suspend response
|
|
*
|
|
* Returns void
|
|
*
|
|
******************************************************************************/
|
|
void bta_av_suspend_cfm(tBTA_AV_SCB* p_scb, tBTA_AV_DATA* p_data) {
|
|
tBTA_AV_SUSPEND suspend_rsp;
|
|
uint8_t err_code = p_data->str_msg.msg.hdr.err_code;
|
|
|
|
APPL_TRACE_DEBUG("%s: peer %s bta_handle:0x%x audio_open_cnt:%d err_code:%d",
|
|
__func__, p_scb->PeerAddress().ToString().c_str(),
|
|
p_scb->hndl, bta_av_cb.audio_open_cnt, err_code);
|
|
|
|
if (!p_scb->started) {
|
|
/* handle the condition where there is a collision of SUSPEND req from
|
|
*either side
|
|
** Second SUSPEND req could be rejected. Do not treat this as a failure
|
|
*/
|
|
APPL_TRACE_WARNING("%s: already suspended, ignore, err_code %d", __func__,
|
|
err_code);
|
|
return;
|
|
}
|
|
|
|
suspend_rsp.status = BTA_AV_SUCCESS;
|
|
if (err_code && (err_code != AVDT_ERR_BAD_STATE)) {
|
|
suspend_rsp.status = BTA_AV_FAIL;
|
|
|
|
APPL_TRACE_ERROR("%s: suspend failed, closing connection", __func__);
|
|
|
|
/* SUSPEND failed. Close connection. */
|
|
bta_av_ssm_execute(p_scb, BTA_AV_API_CLOSE_EVT, NULL);
|
|
} else {
|
|
/* only set started to false when suspend is successful */
|
|
p_scb->started = false;
|
|
}
|
|
|
|
if (p_scb->role & BTA_AV_ROLE_SUSPEND) {
|
|
p_scb->role &= ~BTA_AV_ROLE_SUSPEND;
|
|
p_scb->cong = false;
|
|
}
|
|
|
|
bta_sys_idle(BTA_ID_AV, bta_av_cb.audio_open_cnt, p_scb->PeerAddress());
|
|
BTM_unblock_role_switch_for(p_scb->PeerAddress());
|
|
BTM_unblock_sniff_mode_for(p_scb->PeerAddress());
|
|
|
|
/* in case that we received suspend_ind, we may need to call co_stop here */
|
|
if (p_scb->co_started) {
|
|
if (p_scb->offload_started) {
|
|
bta_av_vendor_offload_stop();
|
|
p_scb->offload_started = false;
|
|
}
|
|
bta_av_stream_chg(p_scb, false);
|
|
|
|
{
|
|
p_scb->co_started = false;
|
|
p_scb->p_cos->stop(p_scb->hndl, p_scb->PeerAddress());
|
|
}
|
|
}
|
|
|
|
{
|
|
suspend_rsp.chnl = p_scb->chnl;
|
|
suspend_rsp.hndl = p_scb->hndl;
|
|
suspend_rsp.initiator = p_data->str_msg.initiator;
|
|
tBTA_AV bta_av_data;
|
|
bta_av_data.suspend = suspend_rsp;
|
|
(*bta_av_cb.p_cback)(BTA_AV_SUSPEND_EVT, &bta_av_data);
|
|
}
|
|
}
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* Function bta_av_rcfg_str_ok
|
|
*
|
|
* Description report reconfigure successful
|
|
*
|
|
* Returns void
|
|
*
|
|
******************************************************************************/
|
|
void bta_av_rcfg_str_ok(tBTA_AV_SCB* p_scb, tBTA_AV_DATA* p_data) {
|
|
p_scb->l2c_cid = AVDT_GetL2CapChannel(p_scb->avdt_handle);
|
|
APPL_TRACE_DEBUG("%s: peer %s bta_handle:0x%x l2c_cid:%d", __func__,
|
|
p_scb->PeerAddress().ToString().c_str(), p_scb->hndl,
|
|
p_scb->l2c_cid);
|
|
|
|
if (p_data != NULL) {
|
|
// p_data could be NULL if the reconfig was triggered by the local device
|
|
p_scb->stream_mtu =
|
|
p_data->str_msg.msg.open_ind.peer_mtu - AVDT_MEDIA_HDR_SIZE;
|
|
APPL_TRACE_DEBUG("%s: l2c_cid: 0x%x stream_mtu: %d", __func__,
|
|
p_scb->l2c_cid, p_scb->stream_mtu);
|
|
p_scb->p_cos->update_mtu(p_scb->hndl, p_scb->PeerAddress(),
|
|
p_scb->stream_mtu);
|
|
}
|
|
|
|
/* rc listen */
|
|
bta_av_st_rc_timer(p_scb, NULL);
|
|
|
|
/* No need to keep the role bits once reconfig is done. */
|
|
p_scb->role &= ~BTA_AV_ROLE_AD_ACP;
|
|
p_scb->role &= ~BTA_AV_ROLE_SUSPEND_OPT;
|
|
p_scb->role &= ~BTA_AV_ROLE_START_INT;
|
|
|
|
{
|
|
/* reconfigure success */
|
|
tBTA_AV_RECONFIG reconfig;
|
|
reconfig.status = BTA_AV_SUCCESS;
|
|
reconfig.chnl = p_scb->chnl;
|
|
reconfig.hndl = p_scb->hndl;
|
|
tBTA_AV bta_av_data;
|
|
bta_av_data.reconfig = reconfig;
|
|
(*bta_av_cb.p_cback)(BTA_AV_RECONFIG_EVT, &bta_av_data);
|
|
}
|
|
}
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* Function bta_av_rcfg_failed
|
|
*
|
|
* Description process reconfigure failed
|
|
*
|
|
* Returns void
|
|
*
|
|
******************************************************************************/
|
|
void bta_av_rcfg_failed(tBTA_AV_SCB* p_scb, tBTA_AV_DATA* p_data) {
|
|
APPL_TRACE_ERROR("%s: num_recfg=%d conn_lcb=0x%x peer_addr=%s", __func__,
|
|
p_scb->num_recfg, bta_av_cb.conn_lcb,
|
|
p_scb->PeerAddress().ToString().c_str());
|
|
|
|
if (p_scb->num_recfg > BTA_AV_RECONFIG_RETRY) {
|
|
bta_av_cco_close(p_scb, p_data);
|
|
/* report failure */
|
|
tBTA_AV_RECONFIG reconfig;
|
|
reconfig.status = BTA_AV_FAIL_STREAM;
|
|
reconfig.chnl = p_scb->chnl;
|
|
reconfig.hndl = p_scb->hndl;
|
|
tBTA_AV bta_av_data;
|
|
bta_av_data.reconfig = reconfig;
|
|
(*bta_av_cb.p_cback)(BTA_AV_RECONFIG_EVT, &bta_av_data);
|
|
/* go to closing state */
|
|
bta_av_ssm_execute(p_scb, BTA_AV_API_CLOSE_EVT, NULL);
|
|
} else {
|
|
/* open failed. try again */
|
|
p_scb->num_recfg++;
|
|
// conn_lcb is the index bitmask of all used LCBs, and since LCB and SCB use
|
|
// the same index, it should be safe to use SCB index here.
|
|
if ((bta_av_cb.conn_lcb & (1 << p_scb->hdi)) != 0) {
|
|
AVDT_DisconnectReq(p_scb->PeerAddress(), &bta_av_proc_stream_evt);
|
|
} else {
|
|
APPL_TRACE_WARNING("%s: conn_lcb=0x%x bta_handle=0x%x (hdi=%u) no link",
|
|
__func__, bta_av_cb.conn_lcb, p_scb->hndl, p_scb->hdi);
|
|
bta_av_connect_req(p_scb, NULL);
|
|
}
|
|
}
|
|
}
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* Function bta_av_rcfg_connect
|
|
*
|
|
* Description stream closed. reconnect the stream
|
|
*
|
|
* Returns void
|
|
*
|
|
******************************************************************************/
|
|
void bta_av_rcfg_connect(tBTA_AV_SCB* p_scb, UNUSED_ATTR tBTA_AV_DATA* p_data) {
|
|
APPL_TRACE_DEBUG("%s", __func__);
|
|
|
|
p_scb->cong = false;
|
|
p_scb->num_recfg++;
|
|
APPL_TRACE_DEBUG("%s: num_recfg: %d", __func__, p_scb->num_recfg);
|
|
if (p_scb->num_recfg > BTA_AV_RECONFIG_RETRY) {
|
|
/* let bta_av_rcfg_failed report fail */
|
|
bta_av_rcfg_failed(p_scb, NULL);
|
|
} else {
|
|
AVDT_ConnectReq(p_scb->PeerAddress(), p_scb->hdi, &bta_av_proc_stream_evt);
|
|
}
|
|
}
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* Function bta_av_rcfg_discntd
|
|
*
|
|
* Description AVDT disconnected. reconnect the stream
|
|
*
|
|
* Returns void
|
|
*
|
|
******************************************************************************/
|
|
void bta_av_rcfg_discntd(tBTA_AV_SCB* p_scb, UNUSED_ATTR tBTA_AV_DATA* p_data) {
|
|
APPL_TRACE_ERROR("%s: num_recfg=%d conn_lcb=0x%x peer_addr=%s", __func__,
|
|
p_scb->num_recfg, bta_av_cb.conn_lcb,
|
|
p_scb->PeerAddress().ToString().c_str());
|
|
|
|
p_scb->num_recfg++;
|
|
if (p_scb->num_recfg > BTA_AV_RECONFIG_RETRY) {
|
|
/* report failure */
|
|
tBTA_AV_RECONFIG reconfig;
|
|
reconfig.status = BTA_AV_FAIL_STREAM;
|
|
reconfig.chnl = p_scb->chnl;
|
|
reconfig.hndl = p_scb->hndl;
|
|
tBTA_AV bta_av_data;
|
|
bta_av_data.reconfig = reconfig;
|
|
(*bta_av_cb.p_cback)(BTA_AV_RECONFIG_EVT, &bta_av_data);
|
|
/* report close event & go to init state */
|
|
bta_av_ssm_execute(p_scb, BTA_AV_STR_DISC_FAIL_EVT, NULL);
|
|
} else {
|
|
AVDT_ConnectReq(p_scb->PeerAddress(), p_scb->hdi, &bta_av_proc_stream_evt);
|
|
}
|
|
}
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* Function bta_av_suspend_cont
|
|
*
|
|
* Description received the suspend response.
|
|
* continue to reconfigure the stream
|
|
*
|
|
* Returns void
|
|
*
|
|
******************************************************************************/
|
|
void bta_av_suspend_cont(tBTA_AV_SCB* p_scb, tBTA_AV_DATA* p_data) {
|
|
uint8_t err_code = p_data->str_msg.msg.hdr.err_code;
|
|
|
|
APPL_TRACE_DEBUG("%s: err_code=%d", __func__, err_code);
|
|
|
|
p_scb->started = false;
|
|
p_scb->cong = false;
|
|
if (err_code) {
|
|
if (AVDT_ERR_CONNECT == err_code) {
|
|
/* report failure */
|
|
tBTA_AV_RECONFIG reconfig;
|
|
reconfig.status = BTA_AV_FAIL;
|
|
tBTA_AV bta_av_data;
|
|
bta_av_data.reconfig = reconfig;
|
|
(*bta_av_cb.p_cback)(BTA_AV_RECONFIG_EVT, &bta_av_data);
|
|
APPL_TRACE_ERROR("%s: BTA_AV_STR_DISC_FAIL_EVT: peer_addr=%s", __func__,
|
|
p_scb->PeerAddress().ToString().c_str());
|
|
bta_av_ssm_execute(p_scb, BTA_AV_STR_DISC_FAIL_EVT, NULL);
|
|
} else {
|
|
APPL_TRACE_ERROR("%s: suspend rejected, try close", __func__);
|
|
/* drop the buffers queued in L2CAP */
|
|
L2CA_FlushChannel(p_scb->l2c_cid, L2CAP_FLUSH_CHANS_ALL);
|
|
|
|
AVDT_CloseReq(p_scb->avdt_handle);
|
|
}
|
|
} else {
|
|
APPL_TRACE_DEBUG("%s: calling AVDT_ReconfigReq", __func__);
|
|
/* reconfig the stream */
|
|
|
|
APPL_TRACE_DEBUG("%s: codec: %s", __func__,
|
|
A2DP_CodecInfoString(p_scb->cfg.codec_info).c_str());
|
|
AVDT_ReconfigReq(p_scb->avdt_handle, &p_scb->cfg);
|
|
p_scb->cfg.psc_mask = p_scb->cur_psc_mask;
|
|
}
|
|
}
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* Function bta_av_rcfg_cfm
|
|
*
|
|
* Description if reconfigure is successful, report the event
|
|
* otherwise, close the stream.
|
|
*
|
|
* Returns void
|
|
*
|
|
******************************************************************************/
|
|
void bta_av_rcfg_cfm(tBTA_AV_SCB* p_scb, tBTA_AV_DATA* p_data) {
|
|
uint8_t err_code = p_data->str_msg.msg.hdr.err_code;
|
|
|
|
APPL_TRACE_DEBUG("%s: err_code = %d", __func__, err_code);
|
|
|
|
// Disable AVDTP RECONFIGURE for rejectlisted devices
|
|
bool disable_avdtp_reconfigure = false;
|
|
{
|
|
char remote_name[BTM_MAX_REM_BD_NAME_LEN] = "";
|
|
if (btif_storage_get_stored_remote_name(p_scb->PeerAddress(),
|
|
remote_name)) {
|
|
if (interop_match_name(INTEROP_DISABLE_AVDTP_RECONFIGURE, remote_name) ||
|
|
interop_match_addr(INTEROP_DISABLE_AVDTP_RECONFIGURE,
|
|
(const RawAddress*)&p_scb->PeerAddress())) {
|
|
LOG_INFO(
|
|
"%s: disable AVDTP RECONFIGURE: interop matched "
|
|
"name %s address %s",
|
|
__func__, remote_name, p_scb->PeerAddress().ToString().c_str());
|
|
disable_avdtp_reconfigure = true;
|
|
}
|
|
}
|
|
}
|
|
|
|
if ((err_code != 0) || disable_avdtp_reconfigure) {
|
|
APPL_TRACE_ERROR("%s: reconfig rejected, try close", __func__);
|
|
/* Disable reconfiguration feature only with explicit rejection(not with
|
|
* timeout) */
|
|
if ((err_code != AVDT_ERR_TIMEOUT) || disable_avdtp_reconfigure) {
|
|
p_scb->recfg_sup = false;
|
|
}
|
|
/* started flag is false when reconfigure command is sent */
|
|
/* drop the buffers queued in L2CAP */
|
|
L2CA_FlushChannel(p_scb->l2c_cid, L2CAP_FLUSH_CHANS_ALL);
|
|
AVDT_CloseReq(p_scb->avdt_handle);
|
|
} else {
|
|
/* update the codec info after rcfg cfm */
|
|
APPL_TRACE_DEBUG(
|
|
"%s: updating from codec %s to codec %s", __func__,
|
|
A2DP_CodecName(p_scb->cfg.codec_info),
|
|
A2DP_CodecName(p_data->str_msg.msg.reconfig_cfm.p_cfg->codec_info));
|
|
memcpy(p_scb->cfg.codec_info,
|
|
p_data->str_msg.msg.reconfig_cfm.p_cfg->codec_info, AVDT_CODEC_SIZE);
|
|
/* take the SSM back to OPEN state */
|
|
bta_av_ssm_execute(p_scb, BTA_AV_STR_OPEN_OK_EVT, NULL);
|
|
}
|
|
}
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* Function bta_av_rcfg_open
|
|
*
|
|
* Description AVDT is connected. open the stream with the new
|
|
* configuration
|
|
*
|
|
* Returns void
|
|
*
|
|
******************************************************************************/
|
|
void bta_av_rcfg_open(tBTA_AV_SCB* p_scb, UNUSED_ATTR tBTA_AV_DATA* p_data) {
|
|
APPL_TRACE_DEBUG("%s: peer %s bta_handle:0x%x num_disc_snks:%d", __func__,
|
|
p_scb->PeerAddress().ToString().c_str(), p_scb->hndl,
|
|
p_scb->num_disc_snks);
|
|
|
|
if (p_scb->num_disc_snks == 0) {
|
|
/* Need to update call-out module so that it will be ready for discover */
|
|
p_scb->p_cos->stop(p_scb->hndl, p_scb->PeerAddress());
|
|
|
|
/* send avdtp discover request */
|
|
AVDT_DiscoverReq(p_scb->PeerAddress(), p_scb->hdi, p_scb->sep_info,
|
|
BTA_AV_NUM_SEPS, &bta_av_proc_stream_evt);
|
|
} else {
|
|
APPL_TRACE_DEBUG("%s: calling AVDT_OpenReq()", __func__);
|
|
APPL_TRACE_DEBUG("%s: codec: %s", __func__,
|
|
A2DP_CodecInfoString(p_scb->cfg.codec_info).c_str());
|
|
|
|
/* we may choose to use a different SEP at reconfig.
|
|
* adjust the sep_idx now */
|
|
bta_av_adjust_seps_idx(p_scb, bta_av_get_scb_handle(p_scb, AVDT_TSEP_SRC));
|
|
LOG_INFO("%s: sep_idx=%d avdt_handle=%d bta_handle=0x%x", __func__,
|
|
p_scb->sep_idx, p_scb->avdt_handle, p_scb->hndl);
|
|
|
|
/* open the stream with the new config */
|
|
p_scb->sep_info_idx = p_scb->rcfg_idx;
|
|
AVDT_OpenReq(p_scb->avdt_handle, p_scb->PeerAddress(), p_scb->hdi,
|
|
p_scb->sep_info[p_scb->sep_info_idx].seid, &p_scb->cfg);
|
|
}
|
|
}
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* Function bta_av_security_rej
|
|
*
|
|
* Description Send an AVDTP security reject.
|
|
*
|
|
* Returns void
|
|
*
|
|
******************************************************************************/
|
|
void bta_av_security_rej(tBTA_AV_SCB* p_scb, UNUSED_ATTR tBTA_AV_DATA* p_data) {
|
|
AVDT_SecurityRsp(p_scb->avdt_handle, p_scb->avdt_label, AVDT_ERR_BAD_STATE,
|
|
NULL, 0);
|
|
}
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* Function bta_av_chk_2nd_start
|
|
*
|
|
* Description check if this is 2nd stream and if it needs to be started.
|
|
* This function needs to be kept very similar to
|
|
* bta_av_chk_start
|
|
*
|
|
* Returns void
|
|
*
|
|
******************************************************************************/
|
|
void bta_av_chk_2nd_start(tBTA_AV_SCB* p_scb,
|
|
UNUSED_ATTR tBTA_AV_DATA* p_data) {
|
|
LOG_INFO(
|
|
"%s: peer %s channel:%d bta_av_cb.audio_open_cnt:%d role:0x%x "
|
|
"features:0x%x",
|
|
__func__, p_scb->PeerAddress().ToString().c_str(), p_scb->chnl,
|
|
bta_av_cb.audio_open_cnt, p_scb->role, bta_av_cb.features);
|
|
|
|
if ((p_scb->chnl == BTA_AV_CHNL_AUDIO) && (bta_av_cb.audio_open_cnt >= 2) &&
|
|
(((p_scb->role & BTA_AV_ROLE_AD_ACP) == 0) || // Outgoing connection or
|
|
(bta_av_cb.features & BTA_AV_FEAT_ACP_START))) { // Auto-starting option
|
|
// More than one audio channel is connected.
|
|
if (!(p_scb->role & BTA_AV_ROLE_SUSPEND_OPT)) {
|
|
// This channel does not need to be reconfigured.
|
|
// If there is other channel streaming, start the stream now.
|
|
bool new_started = false;
|
|
for (int i = 0; i < BTA_AV_NUM_STRS; i++) {
|
|
tBTA_AV_SCB* p_scbi = bta_av_cb.p_scb[i];
|
|
if (p_scb == p_scbi) {
|
|
continue;
|
|
}
|
|
if (p_scbi && p_scbi->chnl == BTA_AV_CHNL_AUDIO && p_scbi->co_started) {
|
|
if (!new_started) {
|
|
// Start the new stream
|
|
new_started = true;
|
|
LOG_INFO(
|
|
"%s: starting new stream for peer %s because peer %s "
|
|
"already started",
|
|
__func__, p_scb->PeerAddress().ToString().c_str(),
|
|
p_scbi->PeerAddress().ToString().c_str());
|
|
bta_av_ssm_execute(p_scb, BTA_AV_AP_START_EVT, NULL);
|
|
}
|
|
// May need to update the flush timeout of this already started stream
|
|
if (p_scbi->co_started != bta_av_cb.audio_open_cnt) {
|
|
p_scbi->co_started = bta_av_cb.audio_open_cnt;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* Function bta_av_open_rc
|
|
*
|
|
* Description Send a message to main SM to open RC channel.
|
|
*
|
|
* Returns void
|
|
*
|
|
******************************************************************************/
|
|
void bta_av_open_rc(tBTA_AV_SCB* p_scb, tBTA_AV_DATA* p_data) {
|
|
APPL_TRACE_DEBUG("%s: use_rc: %d, wait: 0x%x role: 0x%x", __func__,
|
|
p_scb->use_rc, p_scb->wait, p_scb->role);
|
|
if ((p_scb->wait & BTA_AV_WAIT_ROLE_SW_BITS) &&
|
|
(p_scb->q_tag == BTA_AV_Q_TAG_START)) {
|
|
/* waiting for role switch for some reason & the timer expires */
|
|
if (!bta_av_link_role_ok(p_scb, A2DP_SET_ONE_BIT)) {
|
|
APPL_TRACE_ERROR(
|
|
"%s: failed to start streaming for role management reasons!!",
|
|
__func__);
|
|
alarm_cancel(p_scb->avrc_ct_timer);
|
|
|
|
tBTA_AV_START start;
|
|
start.chnl = p_scb->chnl;
|
|
start.status = BTA_AV_FAIL_ROLE;
|
|
start.initiator = true;
|
|
start.hndl = p_scb->hndl;
|
|
p_scb->wait &= ~BTA_AV_WAIT_ROLE_SW_BITS;
|
|
bta_av_cb.rs_idx = 0;
|
|
tBTA_AV bta_av_data;
|
|
bta_av_data.start = start;
|
|
(*bta_av_cb.p_cback)(BTA_AV_START_EVT, &bta_av_data);
|
|
} else {
|
|
/* role switch is done. continue to start streaming */
|
|
bta_av_cb.rs_idx = 0;
|
|
p_data->hdr.offset = BTA_AV_RS_OK;
|
|
bta_av_start_ok(p_scb, p_data);
|
|
}
|
|
return;
|
|
}
|
|
|
|
if (p_scb->use_rc || (p_scb->role & BTA_AV_ROLE_AD_ACP)) {
|
|
if (bta_av_cb.disc) {
|
|
/* AVRC discover db is in use */
|
|
if (p_scb->rc_handle == BTA_AV_RC_HANDLE_NONE) {
|
|
/* AVRC channel is not connected. delay a little bit */
|
|
if ((p_scb->wait & BTA_AV_WAIT_ROLE_SW_BITS) == 0) {
|
|
bta_sys_start_timer(p_scb->avrc_ct_timer, BTA_AV_RC_DISC_TIME_VAL,
|
|
BTA_AV_AVRC_TIMER_EVT, p_scb->hndl);
|
|
} else {
|
|
p_scb->wait |= BTA_AV_WAIT_CHECK_RC;
|
|
}
|
|
}
|
|
} else {
|
|
/* use main SM for AVRC SDP activities */
|
|
if (is_new_avrcp_enabled()) {
|
|
APPL_TRACE_WARNING("%s: Using the new AVRCP Profile", __func__);
|
|
bluetooth::avrcp::AvrcpService::Get()->ConnectDevice(
|
|
p_scb->PeerAddress());
|
|
} else {
|
|
bta_av_rc_disc((uint8_t)(p_scb->hdi + 1));
|
|
}
|
|
}
|
|
} else {
|
|
if (BTA_AV_RC_HANDLE_NONE != p_scb->rc_handle) {
|
|
/* the open API said that this handle does not want a RC connection.
|
|
* disconnect it now */
|
|
AVRC_Close(p_scb->rc_handle);
|
|
}
|
|
}
|
|
}
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* Function bta_av_open_at_inc
|
|
*
|
|
* Description This function is called if API open is called by application
|
|
* while state-machine is at incoming state.
|
|
*
|
|
* Returns void
|
|
*
|
|
******************************************************************************/
|
|
void bta_av_open_at_inc(tBTA_AV_SCB* p_scb, tBTA_AV_DATA* p_data) {
|
|
memcpy(&(p_scb->open_api), &(p_data->api_open), sizeof(tBTA_AV_API_OPEN));
|
|
|
|
APPL_TRACE_DEBUG("%s: peer %s coll_mask=0x%02x", __func__,
|
|
p_scb->PeerAddress().ToString().c_str(), p_scb->coll_mask);
|
|
|
|
if (p_scb->coll_mask & BTA_AV_COLL_INC_TMR) {
|
|
p_scb->coll_mask |= BTA_AV_COLL_API_CALLED;
|
|
|
|
/* API open will be handled at timeout if SNK did not start signalling. */
|
|
/* API open will be ignored if SNK starts signalling. */
|
|
} else {
|
|
/* SNK did not start signalling, API was called N seconds timeout. */
|
|
/* We need to switch to INIT state and start opening connection. */
|
|
p_scb->coll_mask = 0;
|
|
bta_av_set_scb_sst_init(p_scb);
|
|
|
|
tBTA_AV_API_OPEN* p_buf =
|
|
(tBTA_AV_API_OPEN*)osi_malloc(sizeof(tBTA_AV_API_OPEN));
|
|
memcpy(p_buf, &(p_scb->open_api), sizeof(tBTA_AV_API_OPEN));
|
|
bta_sys_sendmsg(p_buf);
|
|
}
|
|
}
|
|
|
|
void offload_vendor_callback(tBTM_VSC_CMPL* param) {
|
|
tBTA_AV value{0};
|
|
uint8_t sub_opcode = 0;
|
|
if (param->param_len) {
|
|
APPL_TRACE_DEBUG("%s: param_len = %d status = %d", __func__,
|
|
param->param_len, param->p_param_buf[0]);
|
|
value.status = static_cast<tBTA_AV_STATUS>(param->p_param_buf[0]);
|
|
}
|
|
if (value.status == 0) {
|
|
sub_opcode = param->p_param_buf[1];
|
|
APPL_TRACE_DEBUG("%s: subopcode = %d", __func__, sub_opcode);
|
|
switch (sub_opcode) {
|
|
case VS_HCI_A2DP_OFFLOAD_STOP:
|
|
APPL_TRACE_DEBUG("%s: VS_HCI_STOP_A2DP_MEDIA successful", __func__);
|
|
break;
|
|
case VS_HCI_A2DP_OFFLOAD_START:
|
|
(*bta_av_cb.p_cback)(BTA_AV_OFFLOAD_START_RSP_EVT, &value);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
} else {
|
|
APPL_TRACE_DEBUG("%s: Offload failed for subopcode= %d", __func__,
|
|
sub_opcode);
|
|
if (param->opcode != VS_HCI_A2DP_OFFLOAD_STOP)
|
|
(*bta_av_cb.p_cback)(BTA_AV_OFFLOAD_START_RSP_EVT, &value);
|
|
}
|
|
}
|
|
|
|
void bta_av_vendor_offload_start(tBTA_AV_SCB* p_scb,
|
|
tBT_A2DP_OFFLOAD* offload_start) {
|
|
uint8_t param[sizeof(tBT_A2DP_OFFLOAD)];
|
|
APPL_TRACE_DEBUG("%s", __func__);
|
|
|
|
uint8_t* p_param = param;
|
|
*p_param++ = VS_HCI_A2DP_OFFLOAD_START;
|
|
|
|
UINT32_TO_STREAM(p_param, offload_start->codec_type);
|
|
UINT16_TO_STREAM(p_param, offload_start->max_latency);
|
|
ARRAY_TO_STREAM(p_param, offload_start->scms_t_enable,
|
|
static_cast<int>(offload_start->scms_t_enable.size()));
|
|
UINT32_TO_STREAM(p_param, offload_start->sample_rate);
|
|
UINT8_TO_STREAM(p_param, offload_start->bits_per_sample);
|
|
UINT8_TO_STREAM(p_param, offload_start->ch_mode);
|
|
UINT32_TO_STREAM(p_param, offload_start->encoded_audio_bitrate);
|
|
UINT16_TO_STREAM(p_param, offload_start->acl_hdl);
|
|
UINT16_TO_STREAM(p_param, offload_start->l2c_rcid);
|
|
UINT16_TO_STREAM(p_param, offload_start->mtu);
|
|
ARRAY_TO_STREAM(p_param, offload_start->codec_info,
|
|
(int8_t)sizeof(offload_start->codec_info));
|
|
p_scb->offload_started = true;
|
|
BTM_VendorSpecificCommand(HCI_CONTROLLER_A2DP, p_param - param,
|
|
param, offload_vendor_callback);
|
|
}
|
|
|
|
void bta_av_vendor_offload_stop() {
|
|
uint8_t param[sizeof(tBT_A2DP_OFFLOAD)];
|
|
APPL_TRACE_DEBUG("%s", __func__);
|
|
param[0] = VS_HCI_A2DP_OFFLOAD_STOP;
|
|
BTM_VendorSpecificCommand(HCI_CONTROLLER_A2DP, 1, param,
|
|
offload_vendor_callback);
|
|
}
|
|
/*******************************************************************************
|
|
*
|
|
* Function bta_av_offload_req
|
|
*
|
|
* Description This function is called if application requests offload of
|
|
* a2dp audio.
|
|
*
|
|
* Returns void
|
|
*
|
|
******************************************************************************/
|
|
void bta_av_offload_req(tBTA_AV_SCB* p_scb, tBTA_AV_DATA* p_data) {
|
|
tBTA_AV_STATUS status = BTA_AV_FAIL_RESOURCES;
|
|
|
|
tBT_A2DP_OFFLOAD offload_start;
|
|
APPL_TRACE_DEBUG("%s: stream %s, audio channels open %d", __func__,
|
|
p_scb->started ? "STARTED" : "STOPPED",
|
|
bta_av_cb.audio_open_cnt);
|
|
/* Check if stream has already been started. */
|
|
/* Support offload if only one audio source stream is open. */
|
|
if (p_scb->started != true) {
|
|
status = BTA_AV_FAIL_STREAM;
|
|
} else {
|
|
bta_av_offload_codec_builder(p_scb, &offload_start);
|
|
bta_av_vendor_offload_start(p_scb, &offload_start);
|
|
return;
|
|
}
|
|
if (status != BTA_AV_SUCCESS) {
|
|
tBTA_AV bta_av_data;
|
|
bta_av_data.status = status;
|
|
(*bta_av_cb.p_cback)(BTA_AV_OFFLOAD_START_RSP_EVT, &bta_av_data);
|
|
}
|
|
/* TODO(eisenbach): RE-IMPLEMENT USING VSC OR HAL EXTENSION
|
|
else if (bta_av_cb.audio_open_cnt == 1 &&
|
|
p_scb->seps[p_scb->sep_idx].tsep == AVDT_TSEP_SRC &&
|
|
p_scb->chnl == BTA_AV_CHNL_AUDIO) {
|
|
bt_vendor_op_a2dp_offload_t a2dp_offload_start;
|
|
|
|
if (L2CA_GetConnectionConfig(
|
|
p_scb->l2c_cid, &a2dp_offload_start.acl_data_size,
|
|
&a2dp_offload_start.remote_cid, &a2dp_offload_start.lm_handle)) {
|
|
APPL_TRACE_DEBUG("%s: l2cmtu %d lcid 0x%02X rcid 0x%02X lm_handle
|
|
0x%02X",
|
|
__func__, a2dp_offload_start.acl_data_size,
|
|
p_scb->l2c_cid, a2dp_offload_start.remote_cid,
|
|
a2dp_offload_start.lm_handle);
|
|
|
|
a2dp_offload_start.bta_av_handle = p_scb->hndl;
|
|
a2dp_offload_start.xmit_quota = BTA_AV_A2DP_OFFLOAD_XMIT_QUOTA;
|
|
a2dp_offload_start.stream_mtu = p_scb->stream_mtu;
|
|
a2dp_offload_start.local_cid = p_scb->l2c_cid;
|
|
a2dp_offload_start.is_flushable = true;
|
|
a2dp_offload_start.stream_source =
|
|
((uint32_t)(p_scb->cfg.codec_info[1] | p_scb->cfg.codec_info[2]));
|
|
|
|
memcpy(a2dp_offload_start.codec_info, p_scb->cfg.codec_info,
|
|
sizeof(a2dp_offload_start.codec_info));
|
|
|
|
if (!vendor_get_interface()->send_command(
|
|
(vendor_opcode_t)BT_VND_OP_A2DP_OFFLOAD_START,
|
|
&a2dp_offload_start)) {
|
|
status = BTA_AV_SUCCESS;
|
|
p_scb->offload_start_pending = true;
|
|
}
|
|
}
|
|
}
|
|
*/
|
|
}
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* Function bta_av_offload_rsp
|
|
*
|
|
* Description This function is called when the vendor lib responds to
|
|
* BT_VND_OP_A2DP_OFFLOAD_START.
|
|
*
|
|
* Returns void
|
|
*
|
|
******************************************************************************/
|
|
void bta_av_offload_rsp(tBTA_AV_SCB* p_scb, tBTA_AV_DATA* p_data) {
|
|
tBTA_AV_STATUS status = p_data->api_status_rsp.status;
|
|
|
|
APPL_TRACE_DEBUG("%s: stream %s status %s", __func__,
|
|
p_scb->started ? "STARTED" : "STOPPED",
|
|
status ? "FAIL" : "SUCCESS");
|
|
|
|
/* Check if stream has already been started. */
|
|
if (status == BTA_AV_SUCCESS && p_scb->started != true) {
|
|
status = BTA_AV_FAIL_STREAM;
|
|
}
|
|
|
|
p_scb->offload_start_pending = false;
|
|
tBTA_AV bta_av_data;
|
|
bta_av_data.status = status;
|
|
(*bta_av_cb.p_cback)(BTA_AV_OFFLOAD_START_RSP_EVT, &bta_av_data);
|
|
}
|
|
|
|
static void bta_av_offload_codec_builder(tBTA_AV_SCB* p_scb,
|
|
tBT_A2DP_OFFLOAD* p_a2dp_offload) {
|
|
A2dpCodecConfig* CodecConfig = bta_av_get_a2dp_current_codec();
|
|
btav_a2dp_codec_index_t codec_index =
|
|
A2DP_SourceCodecIndex(p_scb->cfg.codec_info);
|
|
uint32_t codec_type = 0;
|
|
uint16_t mtu = p_scb->stream_mtu;
|
|
APPL_TRACE_DEBUG("%s:codec_index = %d", __func__, codec_index);
|
|
switch (codec_index) {
|
|
case BTAV_A2DP_CODEC_INDEX_SOURCE_SBC:
|
|
codec_type = BTA_AV_CODEC_TYPE_SBC;
|
|
if (A2DP_GetMaxBitpoolSbc(p_scb->cfg.codec_info) <=
|
|
A2DP_SBC_BITPOOL_MIDDLE_QUALITY) {
|
|
APPL_TRACE_WARNING("%s: Restricting streaming MTU size for MQ Bitpool",
|
|
__func__);
|
|
mtu = MAX_2MBPS_AVDTP_MTU;
|
|
}
|
|
break;
|
|
case BTAV_A2DP_CODEC_INDEX_SOURCE_AAC:
|
|
codec_type = BTA_AV_CODEC_TYPE_AAC;
|
|
break;
|
|
case BTAV_A2DP_CODEC_INDEX_SOURCE_APTX:
|
|
codec_type = BTA_AV_CODEC_TYPE_APTX;
|
|
break;
|
|
case BTAV_A2DP_CODEC_INDEX_SOURCE_APTX_HD:
|
|
codec_type = BTA_AV_CODEC_TYPE_APTXHD;
|
|
break;
|
|
case BTAV_A2DP_CODEC_INDEX_SOURCE_LDAC:
|
|
codec_type = BTA_AV_CODEC_TYPE_LDAC;
|
|
break;
|
|
default:
|
|
APPL_TRACE_ERROR("%s: Unknown Codec type ", __func__);
|
|
return;
|
|
}
|
|
if (mtu > MAX_3MBPS_AVDTP_MTU) mtu = MAX_3MBPS_AVDTP_MTU;
|
|
p_a2dp_offload->codec_type = codec_type;
|
|
p_a2dp_offload->max_latency = 0;
|
|
p_a2dp_offload->mtu = mtu;
|
|
p_a2dp_offload->acl_hdl =
|
|
get_btm_client_interface().lifecycle.BTM_GetHCIConnHandle(
|
|
p_scb->PeerAddress(), BT_TRANSPORT_BR_EDR);
|
|
btav_a2dp_scmst_info_t scmst_info =
|
|
p_scb->p_cos->get_scmst_info(p_scb->PeerAddress());
|
|
p_a2dp_offload->scms_t_enable[0] = scmst_info.enable_status;
|
|
p_a2dp_offload->scms_t_enable[1] = scmst_info.cp_header;
|
|
APPL_TRACE_DEBUG(
|
|
"%s: SCMS-T_enable status: %d, "
|
|
"SCMS-T header (if it's enabled): 0x%02x",
|
|
__func__, scmst_info.enable_status, scmst_info.cp_header);
|
|
|
|
switch (A2DP_GetTrackSampleRate(p_scb->cfg.codec_info)) {
|
|
case 44100:
|
|
p_a2dp_offload->sample_rate = BTAV_A2DP_CODEC_SAMPLE_RATE_44100;
|
|
break;
|
|
case 48000:
|
|
p_a2dp_offload->sample_rate = BTAV_A2DP_CODEC_SAMPLE_RATE_48000;
|
|
break;
|
|
case 88200:
|
|
p_a2dp_offload->sample_rate = BTAV_A2DP_CODEC_SAMPLE_RATE_88200;
|
|
break;
|
|
case 96000:
|
|
p_a2dp_offload->sample_rate = BTAV_A2DP_CODEC_SAMPLE_RATE_96000;
|
|
break;
|
|
}
|
|
if (L2CA_GetRemoteCid(p_scb->l2c_cid, &p_a2dp_offload->l2c_rcid) == false) {
|
|
APPL_TRACE_ERROR("%s: Failed to fetch l2c rcid", __func__);
|
|
return;
|
|
}
|
|
switch (CodecConfig->getAudioBitsPerSample()) {
|
|
case 16:
|
|
p_a2dp_offload->bits_per_sample = BTAV_A2DP_CODEC_BITS_PER_SAMPLE_16;
|
|
break;
|
|
case 24:
|
|
p_a2dp_offload->bits_per_sample = BTAV_A2DP_CODEC_BITS_PER_SAMPLE_24;
|
|
break;
|
|
case 32:
|
|
p_a2dp_offload->bits_per_sample = BTAV_A2DP_CODEC_BITS_PER_SAMPLE_32;
|
|
break;
|
|
}
|
|
p_a2dp_offload->ch_mode = A2DP_GetTrackChannelCount(p_scb->cfg.codec_info);
|
|
p_a2dp_offload->encoded_audio_bitrate = CodecConfig->getTrackBitRate();
|
|
if (!CodecConfig->getCodecSpecificConfig(p_a2dp_offload)) {
|
|
APPL_TRACE_ERROR("%s: not a valid codec info", __func__);
|
|
}
|
|
}
|