blob: edd073062a895228399cc333614eacd05d7421f5 [file] [log] [blame]
/*
* Copyright (C) 2015 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*****************************************************************************
*
* Filename: btif_rc.cc
*
* Description: Bluetooth AVRC implementation
*
*****************************************************************************/
#define LOG_TAG "bt_btif_avrc"
#include <errno.h>
#include <fcntl.h>
#include <pthread.h>
#include <string.h>
#include <time.h>
#include <unistd.h>
#include <mutex>
#include <hardware/bluetooth.h>
#include <hardware/bt_rc.h>
#include "avrc_defs.h"
#include "bt_common.h"
#include "bta_api.h"
#include "bta_av_api.h"
#include "btif_av.h"
#include "btif_common.h"
#include "btif_util.h"
#include "btu.h"
#include "device/include/interop.h"
#include "log/log.h"
#include "osi/include/list.h"
#include "osi/include/osi.h"
#include "osi/include/properties.h"
#define RC_INVALID_TRACK_ID (0xFFFFFFFFFFFFFFFFULL)
/*****************************************************************************
* Constants & Macros
*****************************************************************************/
/* cod value for Headsets */
#define COD_AV_HEADSETS 0x0404
/* for AVRC 1.4 need to change this */
#define MAX_RC_NOTIFICATIONS AVRC_EVT_VOLUME_CHANGE
#define IDX_GET_PLAY_STATUS_RSP 0
#define IDX_LIST_APP_ATTR_RSP 1
#define IDX_LIST_APP_VALUE_RSP 2
#define IDX_GET_CURR_APP_VAL_RSP 3
#define IDX_SET_APP_VAL_RSP 4
#define IDX_GET_APP_ATTR_TXT_RSP 5
#define IDX_GET_APP_VAL_TXT_RSP 6
#define IDX_GET_ELEMENT_ATTR_RSP 7
#define IDX_SET_ADDR_PLAYER_RSP 8
#define IDX_SET_BROWSED_PLAYER_RSP 9
#define IDX_GET_FOLDER_ITEMS_RSP 10
#define IDX_CHG_PATH_RSP 11
#define IDX_GET_ITEM_ATTR_RSP 12
#define IDX_PLAY_ITEM_RSP 13
#define IDX_GET_TOTAL_NUM_OF_ITEMS_RSP 14
#define IDX_SEARCH_RSP 15
#define IDX_ADD_TO_NOW_PLAYING_RSP 16
/* Update MAX value whenever IDX will be changed */
#define MAX_CMD_QUEUE_LEN 17
#define MAX_VOLUME 128
#define MAX_LABEL 16
#define MAX_TRANSACTIONS_PER_SESSION 16
#define PLAY_STATUS_PLAYING 1
#define BTIF_RC_NUM_CONN BT_RC_NUM_APP
#define CHECK_RC_CONNECTED(p_dev) \
do { \
if ((p_dev) == NULL || (p_dev)->rc_connected == false) { \
BTIF_TRACE_WARNING("%s: called when RC is not connected", __func__); \
return BT_STATUS_NOT_READY; \
} \
} while (0)
#define CHECK_BR_CONNECTED(p_dev) \
do { \
if ((p_dev) == NULL || (p_dev)->br_connected == false) { \
BTIF_TRACE_WARNING("%s: called when BR is not connected", __func__); \
return BT_STATUS_NOT_READY; \
} \
} while (0)
/*****************************************************************************
* Local type definitions
*****************************************************************************/
typedef struct {
uint8_t bNotify;
uint8_t label;
} btif_rc_reg_notifications_t;
typedef struct {
uint8_t label;
uint8_t ctype;
bool is_rsp_pending;
} btif_rc_cmd_ctxt_t;
/* 2 second timeout to get interim response */
#define BTIF_TIMEOUT_RC_INTERIM_RSP_MS (2 * 1000)
#define BTIF_TIMEOUT_RC_STATUS_CMD_MS (2 * 1000)
#define BTIF_TIMEOUT_RC_CONTROL_CMD_MS (2 * 1000)
typedef enum {
eNOT_REGISTERED,
eREGISTERED,
eINTERIM
} btif_rc_nfn_reg_status_t;
typedef struct {
uint8_t event_id;
uint8_t label;
btif_rc_nfn_reg_status_t status;
} btif_rc_supported_event_t;
#define BTIF_RC_STS_TIMEOUT 0xFE
typedef struct {
uint8_t label;
uint8_t pdu_id;
} btif_rc_status_cmd_timer_t;
typedef struct {
uint8_t label;
uint8_t pdu_id;
} btif_rc_control_cmd_timer_t;
typedef struct {
union {
btif_rc_status_cmd_timer_t rc_status_cmd;
btif_rc_control_cmd_timer_t rc_control_cmd;
};
RawAddress rc_addr;
} btif_rc_timer_context_t;
typedef struct {
bool query_started;
uint8_t num_attrs;
uint8_t num_ext_attrs;
uint8_t attr_index;
uint8_t ext_attr_index;
uint8_t ext_val_index;
btrc_player_app_attr_t attrs[AVRC_MAX_APP_ATTR_SIZE];
btrc_player_app_ext_attr_t ext_attrs[AVRC_MAX_APP_ATTR_SIZE];
} btif_rc_player_app_settings_t;
/* TODO : Merge btif_rc_reg_notifications_t and btif_rc_cmd_ctxt_t to a single
* struct */
typedef struct {
bool rc_connected;
bool br_connected; // Browsing channel.
uint8_t rc_handle;
tBTA_AV_FEAT rc_features;
btrc_connection_state_t rc_state;
RawAddress rc_addr;
uint16_t rc_pending_play;
btif_rc_cmd_ctxt_t rc_pdu_info[MAX_CMD_QUEUE_LEN];
btif_rc_reg_notifications_t rc_notif[MAX_RC_NOTIFICATIONS];
unsigned int rc_volume;
uint8_t rc_vol_label;
list_t* rc_supported_event_list;
btif_rc_player_app_settings_t rc_app_settings;
alarm_t* rc_play_status_timer;
bool rc_features_processed;
uint64_t rc_playing_uid;
bool rc_procedure_complete;
} btif_rc_device_cb_t;
typedef struct {
std::mutex lock;
btif_rc_device_cb_t rc_multi_cb[BTIF_RC_NUM_CONN];
} rc_cb_t;
typedef struct {
bool in_use;
uint8_t lbl;
uint8_t handle;
btif_rc_timer_context_t txn_timer_context;
alarm_t* txn_timer;
} rc_transaction_t;
typedef struct {
std::recursive_mutex lbllock;
rc_transaction_t transaction[MAX_TRANSACTIONS_PER_SESSION];
} rc_device_t;
typedef struct {
uint8_t label;
RawAddress rc_addr;
} rc_context_t;
typedef struct { uint8_t handle; } btif_rc_handle_t;
rc_device_t device;
static void sleep_ms(period_ms_t timeout_ms);
/* Response status code - Unknown Error - this is changed to "reserved" */
#define BTIF_STS_GEN_ERROR 0x06
/* Utility table to map hal status codes to bta status codes for the response
* status */
static const uint8_t status_code_map[] = {
/* BTA_Status codes HAL_Status codes */
AVRC_STS_BAD_CMD, /* BTRC_STS_BAD_CMD */
AVRC_STS_BAD_PARAM, /* BTRC_STS_BAD_PARAM */
AVRC_STS_NOT_FOUND, /* BTRC_STS_NOT_FOUND */
AVRC_STS_INTERNAL_ERR, /* BTRC_STS_INTERNAL_ERR */
AVRC_STS_NO_ERROR, /* BTRC_STS_NO_ERROR */
AVRC_STS_UID_CHANGED, /* BTRC_STS_UID_CHANGED */
BTIF_STS_GEN_ERROR, /* BTRC_STS_RESERVED */
AVRC_STS_BAD_DIR, /* BTRC_STS_INV_DIRN */
AVRC_STS_NOT_DIR, /* BTRC_STS_INV_DIRECTORY */
AVRC_STS_NOT_EXIST, /* BTRC_STS_INV_ITEM */
AVRC_STS_BAD_SCOPE, /* BTRC_STS_INV_SCOPE */
AVRC_STS_BAD_RANGE, /* BTRC_STS_INV_RANGE */
AVRC_STS_UID_IS_DIR, /* BTRC_STS_DIRECTORY */
AVRC_STS_IN_USE, /* BTRC_STS_MEDIA_IN_USE */
AVRC_STS_NOW_LIST_FULL, /* BTRC_STS_PLAY_LIST_FULL */
AVRC_STS_SEARCH_NOT_SUP, /* BTRC_STS_SRCH_NOT_SPRTD */
AVRC_STS_SEARCH_BUSY, /* BTRC_STS_SRCH_IN_PROG */
AVRC_STS_BAD_PLAYER_ID, /* BTRC_STS_INV_PLAYER */
AVRC_STS_PLAYER_N_BR, /* BTRC_STS_PLAY_NOT_BROW */
AVRC_STS_PLAYER_N_ADDR, /* BTRC_STS_PLAY_NOT_ADDR */
AVRC_STS_BAD_SEARCH_RES, /* BTRC_STS_INV_RESULTS */
AVRC_STS_NO_AVAL_PLAYER, /* BTRC_STS_NO_AVBL_PLAY */
AVRC_STS_ADDR_PLAYER_CHG, /* BTRC_STS_ADDR_PLAY_CHGD */
};
static void send_reject_response(uint8_t rc_handle, uint8_t label, uint8_t pdu,
uint8_t status, uint8_t opcode);
static uint8_t opcode_from_pdu(uint8_t pdu);
static void send_metamsg_rsp(btif_rc_device_cb_t* p_dev, int index,
uint8_t label, tBTA_AV_CODE code,
tAVRC_RESPONSE* pmetamsg_resp);
static void register_volumechange(uint8_t label, btif_rc_device_cb_t* p_dev);
static void lbl_init();
static void init_all_transactions();
static bt_status_t get_transaction(rc_transaction_t** ptransaction);
static void release_transaction(uint8_t label);
static rc_transaction_t* get_transaction_by_lbl(uint8_t label);
static void handle_rc_metamsg_rsp(tBTA_AV_META_MSG* pmeta_msg,
btif_rc_device_cb_t* p_dev);
static void handle_avk_rc_metamsg_cmd(tBTA_AV_META_MSG* pmeta_msg);
static void handle_avk_rc_metamsg_rsp(tBTA_AV_META_MSG* pmeta_msg);
static void btif_rc_ctrl_upstreams_rsp_cmd(uint8_t event,
tAVRC_COMMAND* pavrc_cmd,
uint8_t label,
btif_rc_device_cb_t* p_dev);
static void rc_ctrl_procedure_complete(btif_rc_device_cb_t* p_dev);
static void rc_stop_play_status_timer(btif_rc_device_cb_t* p_dev);
static void register_for_event_notification(btif_rc_supported_event_t* p_event,
btif_rc_device_cb_t* p_dev);
static void handle_get_capability_response(tBTA_AV_META_MSG* pmeta_msg,
tAVRC_GET_CAPS_RSP* p_rsp);
static void handle_app_attr_response(tBTA_AV_META_MSG* pmeta_msg,
tAVRC_LIST_APP_ATTR_RSP* p_rsp);
static void handle_app_val_response(tBTA_AV_META_MSG* pmeta_msg,
tAVRC_LIST_APP_VALUES_RSP* p_rsp);
static void handle_app_cur_val_response(tBTA_AV_META_MSG* pmeta_msg,
tAVRC_GET_CUR_APP_VALUE_RSP* p_rsp);
static void handle_app_attr_txt_response(tBTA_AV_META_MSG* pmeta_msg,
tAVRC_GET_APP_ATTR_TXT_RSP* p_rsp);
static void handle_app_attr_val_txt_response(tBTA_AV_META_MSG* pmeta_msg,
tAVRC_GET_APP_ATTR_TXT_RSP* p_rsp);
static void handle_get_playstatus_response(tBTA_AV_META_MSG* pmeta_msg,
tAVRC_GET_PLAY_STATUS_RSP* p_rsp);
static void handle_set_addressed_player_response(tBTA_AV_META_MSG* pmeta_msg,
tAVRC_RSP* p_rsp);
static void handle_get_elem_attr_response(tBTA_AV_META_MSG* pmeta_msg,
tAVRC_GET_ATTRS_RSP* p_rsp);
static void handle_set_app_attr_val_response(tBTA_AV_META_MSG* pmeta_msg,
tAVRC_RSP* p_rsp);
static bt_status_t get_play_status_cmd(btif_rc_device_cb_t* p_dev);
static bt_status_t get_player_app_setting_attr_text_cmd(
uint8_t* attrs, uint8_t num_attrs, btif_rc_device_cb_t* p_dev);
static bt_status_t get_player_app_setting_value_text_cmd(
uint8_t* vals, uint8_t num_vals, btif_rc_device_cb_t* p_dev);
static bt_status_t register_notification_cmd(uint8_t label, uint8_t event_id,
uint32_t event_value,
btif_rc_device_cb_t* p_dev);
static bt_status_t get_element_attribute_cmd(uint8_t num_attribute,
uint32_t* p_attr_ids,
btif_rc_device_cb_t* p_dev);
static bt_status_t getcapabilities_cmd(uint8_t cap_id,
btif_rc_device_cb_t* p_dev);
static bt_status_t list_player_app_setting_attrib_cmd(
btif_rc_device_cb_t* p_dev);
static bt_status_t list_player_app_setting_value_cmd(
uint8_t attrib_id, btif_rc_device_cb_t* p_dev);
static bt_status_t get_player_app_setting_cmd(uint8_t num_attrib,
uint8_t* attrib_ids,
btif_rc_device_cb_t* p_dev);
void get_folder_item_type_media(const tAVRC_ITEM* avrc_item,
btrc_folder_items_t* btrc_item);
void get_folder_item_type_folder(const tAVRC_ITEM* avrc_item,
btrc_folder_items_t* btrc_item);
void get_folder_item_type_player(const tAVRC_ITEM* avrc_item,
btrc_folder_items_t* btrc_item);
static bt_status_t get_folder_items_cmd(RawAddress* bd_addr, uint8_t scope,
uint8_t start_item, uint8_t num_items);
static void btif_rc_upstreams_evt(uint16_t event, tAVRC_COMMAND* p_param,
uint8_t ctype, uint8_t label,
btif_rc_device_cb_t* p_dev);
static void btif_rc_upstreams_rsp_evt(uint16_t event,
tAVRC_RESPONSE* pavrc_resp, uint8_t ctype,
uint8_t label,
btif_rc_device_cb_t* p_dev);
static void rc_start_play_status_timer(btif_rc_device_cb_t* p_dev);
static bool absolute_volume_disabled(void);
/*****************************************************************************
* Static variables
*****************************************************************************/
static rc_cb_t btif_rc_cb;
static btrc_callbacks_t* bt_rc_callbacks = NULL;
static btrc_ctrl_callbacks_t* bt_rc_ctrl_callbacks = NULL;
/*****************************************************************************
* Static functions
*****************************************************************************/
/*****************************************************************************
* Externs
*****************************************************************************/
extern bool btif_hf_call_terminated_recently();
extern bool check_cod(const RawAddress* remote_bdaddr, uint32_t cod);
/*****************************************************************************
* Functions
*****************************************************************************/
static btif_rc_device_cb_t* alloc_device() {
for (int idx = 0; idx < BTIF_RC_NUM_CONN; idx++) {
if (btif_rc_cb.rc_multi_cb[idx].rc_state ==
BTRC_CONNECTION_STATE_DISCONNECTED) {
return (&btif_rc_cb.rc_multi_cb[idx]);
}
}
return NULL;
}
static btif_rc_device_cb_t* get_connected_device(int index) {
BTIF_TRACE_DEBUG("%s: index: %d", __func__, index);
if (index > BTIF_RC_NUM_CONN) {
BTIF_TRACE_ERROR("%s: can't support more than %d connections", __func__,
BTIF_RC_NUM_CONN);
return NULL;
}
if (btif_rc_cb.rc_multi_cb[index].rc_state !=
BTRC_CONNECTION_STATE_CONNECTED) {
BTIF_TRACE_ERROR("%s: returning NULL", __func__);
return NULL;
}
return (&btif_rc_cb.rc_multi_cb[index]);
}
static int get_num_connected_devices() {
int connected_devices = 0;
for (int idx = 0; idx < BTIF_RC_NUM_CONN; idx++) {
if (btif_rc_cb.rc_multi_cb[idx].rc_state ==
BTRC_CONNECTION_STATE_CONNECTED) {
connected_devices++;
}
}
BTIF_TRACE_DEBUG("%s: returning connected_devices: %d", __func__,
connected_devices);
return connected_devices;
}
btif_rc_device_cb_t* btif_rc_get_device_by_bda(const RawAddress* bd_addr) {
VLOG(1) << __func__ << ": bd_addr: " << *bd_addr;
for (int idx = 0; idx < BTIF_RC_NUM_CONN; idx++) {
if ((btif_rc_cb.rc_multi_cb[idx].rc_state !=
BTRC_CONNECTION_STATE_DISCONNECTED) &&
btif_rc_cb.rc_multi_cb[idx].rc_addr == *bd_addr) {
return (&btif_rc_cb.rc_multi_cb[idx]);
}
}
BTIF_TRACE_ERROR("%s: device not found, returning NULL!", __func__);
return NULL;
}
btif_rc_device_cb_t* btif_rc_get_device_by_handle(uint8_t handle) {
BTIF_TRACE_DEBUG("%s: handle: 0x%x", __func__, handle);
for (int idx = 0; idx < BTIF_RC_NUM_CONN; idx++) {
if ((btif_rc_cb.rc_multi_cb[idx].rc_state !=
BTRC_CONNECTION_STATE_DISCONNECTED) &&
(btif_rc_cb.rc_multi_cb[idx].rc_handle == handle)) {
BTIF_TRACE_DEBUG("%s: btif_rc_cb.rc_multi_cb[idx].rc_handle: 0x%x",
__func__, btif_rc_cb.rc_multi_cb[idx].rc_handle);
return (&btif_rc_cb.rc_multi_cb[idx]);
}
}
BTIF_TRACE_ERROR("%s: returning NULL", __func__);
return NULL;
}
void fill_pdu_queue(int index, uint8_t ctype, uint8_t label, bool pending,
btif_rc_device_cb_t* p_dev) {
p_dev->rc_pdu_info[index].ctype = ctype;
p_dev->rc_pdu_info[index].label = label;
p_dev->rc_pdu_info[index].is_rsp_pending = pending;
}
void fill_avrc_attr_entry(tAVRC_ATTR_ENTRY* attr_vals, int num_attrs,
btrc_element_attr_val_t* p_attrs) {
for (int attr_cnt = 0; attr_cnt < num_attrs; attr_cnt++) {
attr_vals[attr_cnt].attr_id = p_attrs[attr_cnt].attr_id;
attr_vals[attr_cnt].name.charset_id = AVRC_CHARSET_ID_UTF8;
attr_vals[attr_cnt].name.str_len =
(uint16_t)strlen((char*)p_attrs[attr_cnt].text);
attr_vals[attr_cnt].name.p_str = p_attrs[attr_cnt].text;
BTIF_TRACE_DEBUG(
"%s: attr_id: 0x%x, charset_id: 0x%x, str_len: %d, str: %s", __func__,
(unsigned int)attr_vals[attr_cnt].attr_id,
attr_vals[attr_cnt].name.charset_id, attr_vals[attr_cnt].name.str_len,
attr_vals[attr_cnt].name.p_str);
}
}
void rc_cleanup_sent_cmd(void* p_data) { BTIF_TRACE_DEBUG("%s: ", __func__); }
void handle_rc_ctrl_features(btif_rc_device_cb_t* p_dev) {
if (!(p_dev->rc_features & BTA_AV_FEAT_RCTG) &&
(!(p_dev->rc_features & BTA_AV_FEAT_RCCT) ||
!(p_dev->rc_features & BTA_AV_FEAT_ADV_CTRL))) {
return;
}
int rc_features = 0;
if ((p_dev->rc_features & BTA_AV_FEAT_ADV_CTRL) &&
(p_dev->rc_features & BTA_AV_FEAT_RCCT)) {
rc_features |= BTRC_FEAT_ABSOLUTE_VOLUME;
}
if ((p_dev->rc_features & BTA_AV_FEAT_METADATA) &&
(p_dev->rc_features & BTA_AV_FEAT_VENDOR) &&
(p_dev->rc_features_processed != true)) {
rc_features |= BTRC_FEAT_METADATA;
/* Mark rc features processed to avoid repeating
* the AVRCP procedure every time on receiving this
* update.
*/
p_dev->rc_features_processed = true;
if (btif_av_is_sink_enabled()) {
getcapabilities_cmd(AVRC_CAP_COMPANY_ID, p_dev);
}
}
/* Add browsing feature capability */
if (p_dev->rc_features & BTA_AV_FEAT_BROWSE) {
rc_features |= BTRC_FEAT_BROWSE;
}
BTIF_TRACE_DEBUG("%s: Update rc features to CTRL: %d", __func__, rc_features);
RawAddress rc_addr = p_dev->rc_addr;
HAL_CBACK(bt_rc_ctrl_callbacks, getrcfeatures_cb, &rc_addr, rc_features);
}
void handle_rc_features(btif_rc_device_cb_t* p_dev) {
RawAddress rc_addr = p_dev->rc_addr;
CHECK(bt_rc_callbacks);
btrc_remote_features_t rc_features = BTRC_FEAT_NONE;
RawAddress avdtp_addr = btif_av_get_addr();
BTIF_TRACE_DEBUG("%s: AVDTP Address: %s AVCTP address: %s", __func__,
avdtp_addr.ToString().c_str(), rc_addr.ToString().c_str());
if (interop_match_addr(INTEROP_DISABLE_ABSOLUTE_VOLUME, &rc_addr) ||
absolute_volume_disabled() || avdtp_addr != rc_addr) {
p_dev->rc_features &= ~BTA_AV_FEAT_ADV_CTRL;
}
if (p_dev->rc_features & BTA_AV_FEAT_BROWSE) {
rc_features = (btrc_remote_features_t)(rc_features | BTRC_FEAT_BROWSE);
}
#if (AVRC_ADV_CTRL_INCLUDED == TRUE)
if ((p_dev->rc_features & BTA_AV_FEAT_ADV_CTRL) &&
(p_dev->rc_features & BTA_AV_FEAT_RCTG)) {
rc_features =
(btrc_remote_features_t)(rc_features | BTRC_FEAT_ABSOLUTE_VOLUME);
}
#endif
if (p_dev->rc_features & BTA_AV_FEAT_METADATA) {
rc_features = (btrc_remote_features_t)(rc_features | BTRC_FEAT_METADATA);
}
BTIF_TRACE_DEBUG("%s: rc_features: 0x%x", __func__, rc_features);
HAL_CBACK(bt_rc_callbacks, remote_features_cb, &rc_addr, rc_features);
#if (AVRC_ADV_CTRL_INCLUDED == TRUE)
BTIF_TRACE_DEBUG(
"%s: Checking for feature flags in btif_rc_handler with label: %d",
__func__, p_dev->rc_vol_label);
// Register for volume change on connect
if (p_dev->rc_features & BTA_AV_FEAT_ADV_CTRL &&
p_dev->rc_features & BTA_AV_FEAT_RCTG) {
rc_transaction_t* p_transaction = NULL;
bt_status_t status = BT_STATUS_NOT_READY;
if (MAX_LABEL == p_dev->rc_vol_label) {
status = get_transaction(&p_transaction);
} else {
p_transaction = get_transaction_by_lbl(p_dev->rc_vol_label);
if (NULL != p_transaction) {
BTIF_TRACE_DEBUG(
"%s: register_volumechange already in progress for label: %d",
__func__, p_dev->rc_vol_label);
return;
}
status = get_transaction(&p_transaction);
}
if (BT_STATUS_SUCCESS == status && NULL != p_transaction) {
p_dev->rc_vol_label = p_transaction->lbl;
register_volumechange(p_dev->rc_vol_label, p_dev);
}
}
#endif
}
/***************************************************************************
* Function handle_rc_connect
*
* - Argument: tBTA_AV_RC_OPEN browse RC open data structure
*
* - Description: browse RC connection event handler
*
***************************************************************************/
void handle_rc_browse_connect(tBTA_AV_RC_BROWSE_OPEN* p_rc_br_open) {
BTIF_TRACE_DEBUG("%s: rc_handle %d status %d", __func__,
p_rc_br_open->rc_handle, p_rc_br_open->status);
btif_rc_device_cb_t* p_dev =
btif_rc_get_device_by_handle(p_rc_br_open->rc_handle);
if (!p_dev) {
BTIF_TRACE_ERROR("%s p_dev is null", __func__);
return;
}
/* check that we are already connected to this address since being connected
* to a browse when not connected to the control channel over AVRCP is
* probably not preferred anyways. */
if (p_rc_br_open->status == BTA_AV_SUCCESS) {
RawAddress rc_addr = p_dev->rc_addr;
p_dev->br_connected = true;
HAL_CBACK(bt_rc_ctrl_callbacks, connection_state_cb, true, true, &rc_addr);
}
}
/***************************************************************************
* Function handle_rc_connect
*
* - Argument: tBTA_AV_RC_OPEN RC open data structure
*
* - Description: RC connection event handler
*
***************************************************************************/
void handle_rc_connect(tBTA_AV_RC_OPEN* p_rc_open) {
BTIF_TRACE_DEBUG("%s: rc_handle: %d", __func__, p_rc_open->rc_handle);
btif_rc_device_cb_t* p_dev = alloc_device();
if (p_dev == NULL) {
BTIF_TRACE_ERROR("%s: p_dev is NULL", __func__);
return;
}
if (!(p_rc_open->status == BTA_AV_SUCCESS)) {
BTIF_TRACE_ERROR("%s: Connect failed with error code: %d", __func__,
p_rc_open->status);
p_dev->rc_connected = false;
}
// check if already some RC is connected
if (p_dev->rc_connected) {
BTIF_TRACE_ERROR(
"%s: Got RC OPEN in connected state, Connected RC: %d \
and Current RC: %d",
__func__, p_dev->rc_handle, p_rc_open->rc_handle);
if (p_dev->rc_handle != p_rc_open->rc_handle &&
p_dev->rc_addr != p_rc_open->peer_addr) {
BTIF_TRACE_DEBUG("%s: Got RC connected for some other handle", __func__);
BTA_AvCloseRc(p_rc_open->rc_handle);
return;
}
}
p_dev->rc_addr = p_rc_open->peer_addr;
p_dev->rc_features = p_rc_open->peer_features;
BTIF_TRACE_DEBUG("%s: handle_rc_connect in features: 0x%x out features 0x%x",
__func__, p_rc_open->peer_features, p_dev->rc_features);
p_dev->rc_vol_label = MAX_LABEL;
p_dev->rc_volume = MAX_VOLUME;
p_dev->rc_connected = true;
p_dev->rc_handle = p_rc_open->rc_handle;
p_dev->rc_state = BTRC_CONNECTION_STATE_CONNECTED;
/* on locally initiated connection we will get remote features as part of
* connect */
if (p_dev->rc_features != 0 && bt_rc_callbacks != NULL) {
handle_rc_features(p_dev);
}
p_dev->rc_playing_uid = RC_INVALID_TRACK_ID;
if (bt_rc_ctrl_callbacks != NULL) {
RawAddress rc_addr = p_dev->rc_addr;
HAL_CBACK(bt_rc_ctrl_callbacks, connection_state_cb, true, false, &rc_addr);
}
/* report connection state if remote device is AVRCP target */
handle_rc_ctrl_features(p_dev);
}
/***************************************************************************
* Function handle_rc_disconnect
*
* - Argument: tBTA_AV_RC_CLOSE RC close data structure
*
* - Description: RC disconnection event handler
*
***************************************************************************/
void handle_rc_disconnect(tBTA_AV_RC_CLOSE* p_rc_close) {
btif_rc_device_cb_t* p_dev = NULL;
BTIF_TRACE_DEBUG("%s: rc_handle: %d", __func__, p_rc_close->rc_handle);
p_dev = btif_rc_get_device_by_handle(p_rc_close->rc_handle);
if (p_dev == NULL) {
BTIF_TRACE_ERROR("%s: Got disconnect from invalid rc handle", __func__);
return;
}
if (p_rc_close->rc_handle != p_dev->rc_handle &&
p_dev->rc_addr != p_rc_close->peer_addr) {
BTIF_TRACE_ERROR("Got disconnect of unknown device");
return;
}
RawAddress rc_addr = p_dev->rc_addr;
/* Clean up AVRCP procedure flags */
memset(&p_dev->rc_app_settings, 0, sizeof(btif_rc_player_app_settings_t));
p_dev->rc_features_processed = false;
p_dev->rc_procedure_complete = false;
rc_stop_play_status_timer(p_dev);
/* Check and clear the notification event list */
if (p_dev->rc_supported_event_list != NULL) {
list_clear(p_dev->rc_supported_event_list);
p_dev->rc_supported_event_list = NULL;
}
/* check if there is another device connected */
if (p_dev->rc_state == BTRC_CONNECTION_STATE_CONNECTED) {
p_dev->rc_handle = 0;
p_dev->rc_connected = false;
p_dev->rc_state = BTRC_CONNECTION_STATE_DISCONNECTED;
memset(p_dev->rc_notif, 0, sizeof(p_dev->rc_notif));
p_dev->rc_features = 0;
p_dev->rc_vol_label = MAX_LABEL;
p_dev->rc_volume = MAX_VOLUME;
p_dev->rc_addr = RawAddress::kEmpty;
}
if (get_num_connected_devices() == 0) {
BTIF_TRACE_DEBUG("%s: Closing all handles", __func__);
init_all_transactions();
}
p_dev->rc_addr = RawAddress::kEmpty;
/* report connection state if device is AVRCP target */
if (bt_rc_ctrl_callbacks != NULL) {
HAL_CBACK(bt_rc_ctrl_callbacks, connection_state_cb, false, false,
&rc_addr);
}
}
/***************************************************************************
* Function handle_rc_passthrough_cmd
*
* - Argument: tBTA_AV_RC rc_id remote control command ID
* tBTA_AV_STATE key_state status of key press
*
* - Description: Remote control command handler
*
***************************************************************************/
void handle_rc_passthrough_cmd(tBTA_AV_REMOTE_CMD* p_remote_cmd) {
if (p_remote_cmd == NULL) {
BTIF_TRACE_ERROR("%s: No remote command!", __func__);
return;
}
btif_rc_device_cb_t* p_dev =
btif_rc_get_device_by_handle(p_remote_cmd->rc_handle);
if (p_dev == NULL) {
BTIF_TRACE_ERROR("%s: Got passthrough command from invalid rc handle",
__func__);
return;
}
RawAddress rc_addr = p_dev->rc_addr;
BTIF_TRACE_DEBUG("%s: p_remote_cmd->rc_id: %d", __func__,
p_remote_cmd->rc_id);
/* If AVRC is open and peer sends PLAY but there is no AVDT, then we queue-up
* this PLAY */
if ((p_remote_cmd->rc_id == BTA_AV_RC_PLAY) && (!btif_av_is_connected())) {
if (p_remote_cmd->key_state == AVRC_STATE_PRESS) {
APPL_TRACE_WARNING("%s: AVDT not open, queuing the PLAY command",
__func__);
p_dev->rc_pending_play = true;
}
return;
}
/* If we previously queued a play and we get a PAUSE, clear it. */
if ((p_remote_cmd->rc_id == BTA_AV_RC_PAUSE) && (p_dev->rc_pending_play)) {
APPL_TRACE_WARNING("%s: Clear the pending PLAY on PAUSE received",
__func__);
p_dev->rc_pending_play = false;
return;
}
if ((p_remote_cmd->rc_id == BTA_AV_RC_STOP) &&
(!btif_av_stream_started_ready())) {
APPL_TRACE_WARNING("%s: Stream suspended, ignore STOP cmd", __func__);
return;
}
int pressed = (p_remote_cmd->key_state == AVRC_STATE_PRESS) ? 1 : 0;
/* pass all commands up */
BTIF_TRACE_DEBUG("%s: rc_features: %d, cmd->rc_id: %d, pressed: %d", __func__,
p_dev->rc_features, p_remote_cmd->rc_id, pressed);
HAL_CBACK(bt_rc_callbacks, passthrough_cmd_cb, p_remote_cmd->rc_id, pressed,
&rc_addr);
}
/***************************************************************************
* Function handle_rc_passthrough_rsp
*
* - Argument: tBTA_AV_REMOTE_RSP passthrough command response
*
* - Description: Remote control passthrough response handler
*
***************************************************************************/
void handle_rc_passthrough_rsp(tBTA_AV_REMOTE_RSP* p_remote_rsp) {
btif_rc_device_cb_t* p_dev = NULL;
p_dev = btif_rc_get_device_by_handle(p_remote_rsp->rc_handle);
if (p_dev == NULL) {
BTIF_TRACE_ERROR("%s: passthrough response for Invalid rc handle",
__func__);
return;
}
RawAddress rc_addr = p_dev->rc_addr;
if (!(p_dev->rc_features & BTA_AV_FEAT_RCTG)) {
BTIF_TRACE_ERROR("%s: DUT does not support AVRCP controller role",
__func__);
return;
}
const char* status = (p_remote_rsp->key_state == 1) ? "released" : "pressed";
BTIF_TRACE_DEBUG("%s: rc_id: %d state: %s", __func__, p_remote_rsp->rc_id,
status);
release_transaction(p_remote_rsp->label);
if (bt_rc_ctrl_callbacks != NULL) {
HAL_CBACK(bt_rc_ctrl_callbacks, passthrough_rsp_cb, &rc_addr,
p_remote_rsp->rc_id, p_remote_rsp->key_state);
}
}
/***************************************************************************
* Function handle_rc_vendorunique_rsp
*
* - Argument: tBTA_AV_REMOTE_RSP command response
*
* - Description: Remote control vendor unique response handler
*
***************************************************************************/
void handle_rc_vendorunique_rsp(tBTA_AV_REMOTE_RSP* p_remote_rsp) {
btif_rc_device_cb_t* p_dev = NULL;
const char* status;
uint8_t vendor_id = 0;
p_dev = btif_rc_get_device_by_handle(p_remote_rsp->rc_handle);
if (p_dev == NULL) {
BTIF_TRACE_ERROR("%s: Got vendorunique rsp from invalid rc handle",
__func__);
return;
}
if (p_dev->rc_features & BTA_AV_FEAT_RCTG) {
int key_state;
if (p_remote_rsp->key_state == AVRC_STATE_RELEASE) {
status = "released";
key_state = 1;
} else {
status = "pressed";
key_state = 0;
}
if (p_remote_rsp->len > 0) {
if (p_remote_rsp->len >= AVRC_PASS_THRU_GROUP_LEN)
vendor_id = p_remote_rsp->p_data[AVRC_PASS_THRU_GROUP_LEN - 1];
osi_free_and_reset((void**)&p_remote_rsp->p_data);
}
BTIF_TRACE_DEBUG("%s: vendor_id: %d status: %s", __func__, vendor_id,
status);
release_transaction(p_remote_rsp->label);
HAL_CBACK(bt_rc_ctrl_callbacks, groupnavigation_rsp_cb, vendor_id,
key_state);
} else {
BTIF_TRACE_ERROR("%s: Remote does not support AVRCP TG role", __func__);
}
}
/***************************************************************************
* Function handle_rc_metamsg_cmd
*
* - Argument: tBTA_AV_VENDOR Structure containing the received
* metamsg command
*
* - Description: Remote control metamsg command handler (AVRCP 1.3)
*
***************************************************************************/
void handle_rc_metamsg_cmd(tBTA_AV_META_MSG* pmeta_msg) {
/* Parse the metamsg command and pass it on to BTL-IFS */
uint8_t scratch_buf[512] = {0};
tAVRC_COMMAND avrc_command = {0};
tAVRC_STS status;
btif_rc_device_cb_t* p_dev = NULL;
if (NULL == pmeta_msg) {
BTIF_TRACE_EVENT("%s: Exiting as pmeta_msg is NULL", __func__);
return;
}
if (NULL == pmeta_msg->p_msg) {
BTIF_TRACE_EVENT("%s: Exiting as pmeta_msg->p_msg is NULL", __func__);
return;
}
BTIF_TRACE_EVENT("%s: pmeta_msg: opcode: %x, code: %x", __func__,
pmeta_msg->p_msg->hdr.opcode, pmeta_msg->code);
p_dev = btif_rc_get_device_by_handle(pmeta_msg->rc_handle);
if (p_dev == NULL) {
BTIF_TRACE_ERROR("%s: Meta msg event for Invalid rc handle", __func__);
return;
}
if (pmeta_msg->p_msg->hdr.opcode != AVRC_OP_VENDOR &&
pmeta_msg->p_msg->hdr.opcode != AVRC_OP_BROWSE) {
BTIF_TRACE_WARNING("Invalid opcode: %x", pmeta_msg->p_msg->hdr.opcode);
return;
}
if (pmeta_msg->len < 3) {
BTIF_TRACE_WARNING("%s: Invalid length. opcode: 0x%x, len: 0x%x", __func__,
pmeta_msg->p_msg->hdr.opcode, pmeta_msg->len);
return;
}
if (pmeta_msg->code >= AVRC_RSP_NOT_IMPL) {
{
rc_transaction_t* transaction = NULL;
transaction = get_transaction_by_lbl(pmeta_msg->label);
if (transaction != NULL) {
handle_rc_metamsg_rsp(pmeta_msg, p_dev);
} else {
BTIF_TRACE_DEBUG(
"%s: Discard vendor dependent rsp. code: %d label: %d.", __func__,
pmeta_msg->code, pmeta_msg->label);
}
return;
}
}
status = AVRC_ParsCommand(pmeta_msg->p_msg, &avrc_command, scratch_buf,
sizeof(scratch_buf));
BTIF_TRACE_DEBUG("%s: Received vendor command.code,PDU and label: %d, %d, %d",
__func__, pmeta_msg->code, avrc_command.cmd.pdu,
pmeta_msg->label);
if (status != AVRC_STS_NO_ERROR) {
/* return error */
BTIF_TRACE_WARNING(
"%s: Error in parsing received metamsg command. status: 0x%02x",
__func__, status);
send_reject_response(pmeta_msg->rc_handle, pmeta_msg->label,
avrc_command.pdu, status,
pmeta_msg->p_msg->hdr.opcode);
} else {
/* if RegisterNotification, add it to our registered queue */
if (avrc_command.cmd.pdu == AVRC_PDU_REGISTER_NOTIFICATION) {
uint8_t event_id = avrc_command.reg_notif.event_id;
BTIF_TRACE_EVENT(
"%s: New register notification received.event_id: %s, label: 0x%x, "
"code: %x",
__func__, dump_rc_notification_event_id(event_id), pmeta_msg->label,
pmeta_msg->code);
p_dev->rc_notif[event_id - 1].bNotify = true;
p_dev->rc_notif[event_id - 1].label = pmeta_msg->label;
}
BTIF_TRACE_EVENT("%s: Passing received metamsg command to app. pdu: %s",
__func__, dump_rc_pdu(avrc_command.cmd.pdu));
/* Since handle_rc_metamsg_cmd() itself is called from
*btif context, no context switching is required. Invoke
* btif_rc_upstreams_evt directly from here. */
btif_rc_upstreams_evt((uint16_t)avrc_command.cmd.pdu, &avrc_command,
pmeta_msg->code, pmeta_msg->label, p_dev);
}
}
/***************************************************************************
**
** Function btif_rc_handler
**
** Description RC event handler
**
***************************************************************************/
void btif_rc_handler(tBTA_AV_EVT event, tBTA_AV* p_data) {
BTIF_TRACE_DEBUG("%s: event: %s", __func__, dump_rc_event(event));
btif_rc_device_cb_t* p_dev = NULL;
switch (event) {
case BTA_AV_RC_OPEN_EVT: {
BTIF_TRACE_DEBUG("%s: Peer_features: %x", __func__,
p_data->rc_open.peer_features);
handle_rc_connect(&(p_data->rc_open));
} break;
case BTA_AV_RC_BROWSE_OPEN_EVT: {
/* tell the UL that we have connection to browse channel and that
* browse commands can be directed accordingly. */
handle_rc_browse_connect(&p_data->rc_browse_open);
} break;
case BTA_AV_RC_CLOSE_EVT: {
handle_rc_disconnect(&(p_data->rc_close));
} break;
case BTA_AV_RC_BROWSE_CLOSE_EVT: {
BTIF_TRACE_DEBUG("%s: BTA_AV_RC_BROWSE_CLOSE_EVT", __func__);
} break;
case BTA_AV_REMOTE_CMD_EVT: {
if (bt_rc_callbacks != NULL) {
BTIF_TRACE_DEBUG("%s: rc_id: 0x%x key_state: %d", __func__,
p_data->remote_cmd.rc_id,
p_data->remote_cmd.key_state);
handle_rc_passthrough_cmd((&p_data->remote_cmd));
} else {
BTIF_TRACE_ERROR("%s: AVRCP TG role not up, drop passthrough commands",
__func__);
}
} break;
case BTA_AV_REMOTE_RSP_EVT: {
BTIF_TRACE_DEBUG("%s: RSP: rc_id: 0x%x key_state: %d", __func__,
p_data->remote_rsp.rc_id, p_data->remote_rsp.key_state);
if (p_data->remote_rsp.rc_id == AVRC_ID_VENDOR) {
handle_rc_vendorunique_rsp((&p_data->remote_rsp));
} else {
handle_rc_passthrough_rsp((&p_data->remote_rsp));
}
} break;
case BTA_AV_RC_FEAT_EVT: {
BTIF_TRACE_DEBUG("%s: Peer_features: %x", __func__,
p_data->rc_feat.peer_features);
p_dev = btif_rc_get_device_by_handle(p_data->rc_feat.rc_handle);
if (p_dev == NULL) {
BTIF_TRACE_ERROR("%s: RC Feature event for Invalid rc handle",
__func__);
break;
}
p_dev->rc_features = p_data->rc_feat.peer_features;
if (bt_rc_callbacks != NULL) {
handle_rc_features(p_dev);
}
if ((p_dev->rc_connected) && (bt_rc_ctrl_callbacks != NULL)) {
handle_rc_ctrl_features(p_dev);
}
} break;
case BTA_AV_META_MSG_EVT: {
if (bt_rc_callbacks != NULL) {
BTIF_TRACE_DEBUG("%s: BTA_AV_META_MSG_EVT code: %d label: %d", __func__,
p_data->meta_msg.code, p_data->meta_msg.label);
BTIF_TRACE_DEBUG("%s: company_id: 0x%x len: %d handle: %d", __func__,
p_data->meta_msg.company_id, p_data->meta_msg.len,
p_data->meta_msg.rc_handle);
/* handle the metamsg command */
handle_rc_metamsg_cmd(&(p_data->meta_msg));
/* Free the Memory allocated for tAVRC_MSG */
} else if (bt_rc_ctrl_callbacks != NULL) {
/* This is case of Sink + CT + TG(for abs vol)) */
BTIF_TRACE_DEBUG(
"%s BTA_AV_META_MSG_EVT code:%d label:%d opcode %d ctype %d",
__func__, p_data->meta_msg.code, p_data->meta_msg.label,
p_data->meta_msg.p_msg->hdr.opcode,
p_data->meta_msg.p_msg->hdr.ctype);
BTIF_TRACE_DEBUG("%s company_id:0x%x len:%d handle:%d", __func__,
p_data->meta_msg.company_id, p_data->meta_msg.len,
p_data->meta_msg.rc_handle);
switch (p_data->meta_msg.p_msg->hdr.opcode) {
case AVRC_OP_VENDOR:
if ((p_data->meta_msg.code >= AVRC_RSP_NOT_IMPL) &&
(p_data->meta_msg.code <= AVRC_RSP_INTERIM)) {
/* Its a response */
handle_avk_rc_metamsg_rsp(&(p_data->meta_msg));
} else if (p_data->meta_msg.code <= AVRC_CMD_GEN_INQ) {
/* Its a command */
handle_avk_rc_metamsg_cmd(&(p_data->meta_msg));
}
break;
case AVRC_OP_BROWSE:
if (p_data->meta_msg.p_msg->hdr.ctype == AVRC_CMD) {
handle_avk_rc_metamsg_cmd(&(p_data->meta_msg));
} else if (p_data->meta_msg.p_msg->hdr.ctype == AVRC_RSP) {
handle_avk_rc_metamsg_rsp(&(p_data->meta_msg));
}
break;
}
} else {
BTIF_TRACE_ERROR("Neither CTRL, nor TG is up, drop meta commands");
}
} break;
default:
BTIF_TRACE_DEBUG("%s: Unhandled RC event : 0x%x", __func__, event);
}
}
/***************************************************************************
**
** Function btif_rc_get_connected_peer
**
** Description Fetches the connected headset's address if any
**
***************************************************************************/
bool btif_rc_get_connected_peer(RawAddress* peer_addr) {
for (int idx = 0; idx < BTIF_RC_NUM_CONN; idx++) {
btif_rc_device_cb_t* p_dev = get_connected_device(idx);
if (p_dev != NULL && (p_dev->rc_connected == TRUE)) {
*peer_addr = p_dev->rc_addr;
return true;
}
}
return false;
}
/***************************************************************************
**
** Function btif_rc_get_connected_peer_handle
**
** Description Fetches the connected headset's handle if any
**
***************************************************************************/
uint8_t btif_rc_get_connected_peer_handle(const RawAddress& peer_addr) {
btif_rc_device_cb_t* p_dev = NULL;
p_dev = btif_rc_get_device_by_bda(&peer_addr);
if (p_dev == NULL) {
BTIF_TRACE_ERROR("%s: p_dev NULL", __func__);
return BTRC_HANDLE_NONE;
}
return p_dev->rc_handle;
}
/***************************************************************************
**
** Function btif_rc_check_handle_pending_play
**
** Description Clears the queued PLAY command. if |bSendToApp| is true,
** forwards to app
**
***************************************************************************/
/* clear the queued PLAY command. if |bSendToApp| is true, forward to app */
void btif_rc_check_handle_pending_play(const RawAddress& peer_addr,
bool bSendToApp) {
btif_rc_device_cb_t* p_dev = NULL;
p_dev = btif_rc_get_device_by_bda(&peer_addr);
if (p_dev == NULL) {
BTIF_TRACE_ERROR("%s: p_dev NULL", __func__);
return;
}
BTIF_TRACE_DEBUG("%s: bSendToApp: %d", __func__, bSendToApp);
if (p_dev->rc_pending_play) {
if (bSendToApp) {
tBTA_AV_REMOTE_CMD remote_cmd;
APPL_TRACE_DEBUG("%s: Sending queued PLAYED event to app", __func__);
memset(&remote_cmd, 0, sizeof(tBTA_AV_REMOTE_CMD));
remote_cmd.rc_handle = p_dev->rc_handle;
remote_cmd.rc_id = AVRC_ID_PLAY;
remote_cmd.hdr.ctype = AVRC_CMD_CTRL;
remote_cmd.hdr.opcode = AVRC_OP_PASS_THRU;
/* delay sending to app, else there is a timing issue in the framework,
** which causes the audio to be on th device's speaker. Delay between
** OPEN & RC_PLAYs
*/
sleep_ms(200);
/* send to app - both PRESSED & RELEASED */
remote_cmd.key_state = AVRC_STATE_PRESS;
handle_rc_passthrough_cmd(&remote_cmd);
sleep_ms(100);
remote_cmd.key_state = AVRC_STATE_RELEASE;
handle_rc_passthrough_cmd(&remote_cmd);
}
p_dev->rc_pending_play = false;
}
}
/* Generic reject response */
static void send_reject_response(uint8_t rc_handle, uint8_t label, uint8_t pdu,
uint8_t status, uint8_t opcode) {
uint8_t ctype = AVRC_RSP_REJ;
tAVRC_RESPONSE avrc_rsp;
BT_HDR* p_msg = NULL;
memset(&avrc_rsp, 0, sizeof(tAVRC_RESPONSE));
avrc_rsp.rsp.opcode = opcode;
avrc_rsp.rsp.pdu = pdu;
avrc_rsp.rsp.status = status;
status = AVRC_BldResponse(rc_handle, &avrc_rsp, &p_msg);
if (status != AVRC_STS_NO_ERROR) {
BTIF_TRACE_ERROR("%s: status not AVRC_STS_NO_ERROR", __func__);
return;
}
BTIF_TRACE_DEBUG(
"%s: Sending error notification to handle: %d. pdu: %s,status: 0x%02x",
__func__, rc_handle, dump_rc_pdu(pdu), status);
BTA_AvMetaRsp(rc_handle, label, ctype, p_msg);
}
/***************************************************************************
* Function get_rsp_type_code
*
* - Argument: status
* - Description: Returns response type codes for particular command code and
* status.
*
***************************************************************************/
static tBTA_AV_CODE get_rsp_type_code(tAVRC_STS status, tBTA_AV_CODE code) {
if (status != AVRC_STS_NO_ERROR) {
return AVRC_RSP_REJ;
}
if (code < AVRC_RSP_NOT_IMPL) {
if (code == AVRC_CMD_NOTIF) return AVRC_RSP_INTERIM;
if (code == AVRC_CMD_STATUS) return AVRC_RSP_IMPL_STBL;
return AVRC_RSP_ACCEPT;
}
return code;
}
/***************************************************************************
* Function send_metamsg_rsp
*
* - Argument:
* p_dev Dev pointer
* index Command index (= -1 if not used)
* label Label of the RC response
* code Response type
* pmetamsg_resp Vendor response
*
* - Description: Remote control metamsg response handler
*
***************************************************************************/
static void send_metamsg_rsp(btif_rc_device_cb_t* p_dev, int index,
uint8_t label, tBTA_AV_CODE code,
tAVRC_RESPONSE* pmetamsg_resp) {
uint8_t ctype;
if (p_dev == NULL) {
BTIF_TRACE_ERROR("%s: p_dev NULL", __func__);
return;
}
if (pmetamsg_resp == NULL) {
BTIF_TRACE_WARNING("%s: Invalid response received from application",
__func__);
return;
}
BTIF_TRACE_EVENT(
"%s: rc_handle: %d, index: %d, label: %d, code: 0x%02x, pdu: %s",
__func__, p_dev->rc_handle, index, label, code,
dump_rc_pdu(pmetamsg_resp->rsp.pdu));
if (index >= 0 && p_dev->rc_pdu_info[index].is_rsp_pending == false) {
BTIF_TRACE_ERROR("%s: is_rsp_pending false, returning", __func__);
return;
}
ctype = get_rsp_type_code(pmetamsg_resp->rsp.status, code);
/* if response is for register_notification, make sure the rc has
actually registered for this */
if ((pmetamsg_resp->rsp.pdu == AVRC_PDU_REGISTER_NOTIFICATION) &&
((code == AVRC_RSP_CHANGED) || (code == AVRC_RSP_INTERIM))) {
bool bSent = false;
uint8_t event_id = pmetamsg_resp->reg_notif.event_id;
bool bNotify =
(p_dev->rc_connected) && (p_dev->rc_notif[event_id - 1].bNotify);
/* de-register this notification for a CHANGED response */
p_dev->rc_notif[event_id - 1].bNotify = false;
BTIF_TRACE_DEBUG("%s: rc_handle: %d. event_id: 0x%02d bNotify: %u",
__func__, p_dev->rc_handle, event_id, bNotify);
if (bNotify) {
BT_HDR* p_msg = NULL;
tAVRC_STS status;
if (AVRC_STS_NO_ERROR == (status = AVRC_BldResponse(
p_dev->rc_handle, pmetamsg_resp, &p_msg))) {
BTIF_TRACE_DEBUG(
"%s: Sending notification to rc_handle: %d. event_id: 0x%02d",
__func__, p_dev->rc_handle, event_id);
bSent = true;
BTA_AvMetaRsp(p_dev->rc_handle, p_dev->rc_notif[event_id - 1].label,
ctype, p_msg);
} else {
BTIF_TRACE_WARNING(
"%s: failed to build metamsg response. status: 0x%02x", __func__,
status);
}
}
if (!bSent) {
BTIF_TRACE_DEBUG(
"%s: Notification not sent, as there are no RC connections or the \
CT has not subscribed for event_id: %s",
__func__, dump_rc_notification_event_id(event_id));
}
} else {
/* All other commands go here */
BT_HDR* p_msg = NULL;
tAVRC_STS status;
status = AVRC_BldResponse(p_dev->rc_handle, pmetamsg_resp, &p_msg);
if (status == AVRC_STS_NO_ERROR) {
BTA_AvMetaRsp(p_dev->rc_handle, label, ctype, p_msg);
} else {
BTIF_TRACE_ERROR("%s: failed to build metamsg response. status: 0x%02x",
__func__, status);
}
}
if (index >= 0) {
p_dev->rc_pdu_info[index].ctype = 0;
p_dev->rc_pdu_info[index].label = 0;
p_dev->rc_pdu_info[index].is_rsp_pending = false;
}
}
static uint8_t opcode_from_pdu(uint8_t pdu) {
uint8_t opcode = 0;
switch (pdu) {
case AVRC_PDU_SET_BROWSED_PLAYER:
case AVRC_PDU_GET_FOLDER_ITEMS:
case AVRC_PDU_CHANGE_PATH:
case AVRC_PDU_GET_ITEM_ATTRIBUTES:
case AVRC_PDU_ADD_TO_NOW_PLAYING:
case AVRC_PDU_SEARCH:
case AVRC_PDU_GET_TOTAL_NUM_OF_ITEMS:
case AVRC_PDU_GENERAL_REJECT:
opcode = AVRC_OP_BROWSE;
break;
case AVRC_PDU_NEXT_GROUP:
case AVRC_PDU_PREV_GROUP: /* pass thru */
opcode = AVRC_OP_PASS_THRU;
break;
default: /* vendor */
opcode = AVRC_OP_VENDOR;
break;
}
return opcode;
}
/***************************************************************************
* Function: fill_attribute_id_array
*
* - Argument:
* cmd_attribute_number input attribute number from AVRCP command
* cmd_attribute_id_array input attribute list from AVRCP command
* out_array_size allocated size of out attribute id array
* out_attribute_id_array output attribute list resolved here
*
* - Description:
* Resolve attribute id array as defined by the AVRCP specification.
*
* - Returns:
* The number of attributes filled in
*
***************************************************************************/
static uint8_t fill_attribute_id_array(
uint8_t cmd_attribute_number, btrc_media_attr_t* cmd_attribute_id_array,
size_t out_array_size, btrc_media_attr_t* out_attribute_id_array) {
/* Reset attribute array */
memset(out_attribute_id_array, 0, out_array_size);
/* Default case for cmd_attribute_number == 0xFF, No attribute */
uint8_t out_attribute_number = 0;
if (cmd_attribute_number == 0) {
/* All attributes */
out_attribute_number = out_array_size < AVRC_MAX_NUM_MEDIA_ATTR_ID
? out_array_size
: AVRC_MAX_NUM_MEDIA_ATTR_ID;
for (int i = 0; i < out_attribute_number; i++) {
out_attribute_id_array[i] = (btrc_media_attr_t)(i + 1);
}
} else if (cmd_attribute_number != 0xFF) {
/* Attribute List */
out_attribute_number = 0;
int filled_id_count = 0;
for (int i = 0; (i < cmd_attribute_number) &&
(out_attribute_number < out_array_size) &&
(out_attribute_number < AVRC_MAX_NUM_MEDIA_ATTR_ID);
i++) {
/* Fill only valid entries */
if (AVRC_IS_VALID_MEDIA_ATTRIBUTE(cmd_attribute_id_array[i])) {
/* Skip the duplicate entries */
for (filled_id_count = 0; filled_id_count < out_attribute_number;
filled_id_count++) {
if (out_attribute_id_array[filled_id_count] ==
cmd_attribute_id_array[i])
break;
}
/* New ID */
if (filled_id_count == out_attribute_number) {
out_attribute_id_array[out_attribute_number] =
(btrc_media_attr_t)cmd_attribute_id_array[i];
out_attribute_number++;
}
}
}
}
return out_attribute_number;
}
/*******************************************************************************
*
* Function btif_rc_upstreams_evt
*
* Description Executes AVRC UPSTREAMS events in btif context.
*
* Returns void
*
******************************************************************************/
static void btif_rc_upstreams_evt(uint16_t event, tAVRC_COMMAND* pavrc_cmd,
uint8_t ctype, uint8_t label,
btif_rc_device_cb_t* p_dev) {
BTIF_TRACE_EVENT("%s: pdu: %s handle: 0x%x ctype: %x label: %x event ID: %x",
__func__, dump_rc_pdu(pavrc_cmd->pdu), p_dev->rc_handle,
ctype, label, pavrc_cmd->reg_notif.event_id);
RawAddress rc_addr = p_dev->rc_addr;
switch (event) {
case AVRC_PDU_GET_PLAY_STATUS: {
fill_pdu_queue(IDX_GET_PLAY_STATUS_RSP, ctype, label, true, p_dev);
HAL_CBACK(bt_rc_callbacks, get_play_status_cb, &rc_addr);
} break;
case AVRC_PDU_LIST_PLAYER_APP_ATTR:
case AVRC_PDU_LIST_PLAYER_APP_VALUES:
case AVRC_PDU_GET_CUR_PLAYER_APP_VALUE:
case AVRC_PDU_SET_PLAYER_APP_VALUE:
case AVRC_PDU_GET_PLAYER_APP_ATTR_TEXT:
case AVRC_PDU_GET_PLAYER_APP_VALUE_TEXT: {
/* TODO: Add support for Application Settings */
send_reject_response(p_dev->rc_handle, label, pavrc_cmd->pdu,
AVRC_STS_BAD_CMD, pavrc_cmd->cmd.opcode);
} break;
case AVRC_PDU_GET_ELEMENT_ATTR: {
btrc_media_attr_t element_attrs[BTRC_MAX_ELEM_ATTR_SIZE];
uint8_t num_attr = fill_attribute_id_array(
pavrc_cmd->get_elem_attrs.num_attr,
(btrc_media_attr_t*)pavrc_cmd->get_elem_attrs.attrs,
BTRC_MAX_ELEM_ATTR_SIZE, element_attrs);
if (num_attr == 0) {
BTIF_TRACE_ERROR(
"%s: No valid attributes requested in GET_ELEMENT_ATTRIBUTES",
__func__);
send_reject_response(p_dev->rc_handle, label, pavrc_cmd->pdu,
AVRC_STS_BAD_PARAM, pavrc_cmd->cmd.opcode);
return;
}
fill_pdu_queue(IDX_GET_ELEMENT_ATTR_RSP, ctype, label, true, p_dev);
HAL_CBACK(bt_rc_callbacks, get_element_attr_cb, num_attr, element_attrs,
&rc_addr);
} break;
case AVRC_PDU_REGISTER_NOTIFICATION: {
if (pavrc_cmd->reg_notif.event_id == BTRC_EVT_PLAY_POS_CHANGED &&
pavrc_cmd->reg_notif.param == 0) {
BTIF_TRACE_WARNING(
"%s: Device registering position changed with illegal param 0.",
__func__);
send_reject_response(p_dev->rc_handle, label, pavrc_cmd->pdu,
AVRC_STS_BAD_PARAM, pavrc_cmd->cmd.opcode);
/* de-register this notification for a rejected response */
p_dev->rc_notif[BTRC_EVT_PLAY_POS_CHANGED - 1].bNotify = false;
return;
}
HAL_CBACK(bt_rc_callbacks, register_notification_cb,
(btrc_event_id_t)pavrc_cmd->reg_notif.event_id,
pavrc_cmd->reg_notif.param, &rc_addr);
} break;
case AVRC_PDU_INFORM_DISPLAY_CHARSET: {
tAVRC_RESPONSE avrc_rsp;
BTIF_TRACE_EVENT("%s: AVRC_PDU_INFORM_DISPLAY_CHARSET", __func__);
if (p_dev->rc_connected == true) {
memset(&(avrc_rsp.inform_charset), 0, sizeof(tAVRC_RSP));
avrc_rsp.inform_charset.opcode =
opcode_from_pdu(AVRC_PDU_INFORM_DISPLAY_CHARSET);
avrc_rsp.inform_charset.pdu = AVRC_PDU_INFORM_DISPLAY_CHARSET;
avrc_rsp.inform_charset.status = AVRC_STS_NO_ERROR;
send_metamsg_rsp(p_dev, -1, label, ctype, &avrc_rsp);
}
} break;
case AVRC_PDU_GET_FOLDER_ITEMS: {
uint32_t attr_ids[BTRC_MAX_ELEM_ATTR_SIZE];
uint8_t num_attr;
num_attr = pavrc_cmd->get_items.attr_count;
BTIF_TRACE_EVENT(
"%s: AVRC_PDU_GET_FOLDER_ITEMS num_attr: %d, start_item [%d] \
end_item [%d]",
__func__, num_attr, pavrc_cmd->get_items.start_item,
pavrc_cmd->get_items.end_item);
/* num_attr requested:
* 0x00: All attributes requested
* 0xFF: No Attributes requested
* 0x01 to 0x07: Specified number of attributes
*/
if ((num_attr != 0xFF && num_attr > BTRC_MAX_ELEM_ATTR_SIZE)) {
send_reject_response(p_dev->rc_handle, label, pavrc_cmd->pdu,
AVRC_STS_BAD_PARAM, pavrc_cmd->cmd.opcode);
return;
}
/* Except num_attr is None(0xff) / All(0x00), request follows with an
* Attribute List */
if ((num_attr != 0xFF) && (num_attr != 0x00)) {
memcpy(attr_ids, pavrc_cmd->get_items.p_attr_list,
sizeof(uint32_t) * num_attr);
}
fill_pdu_queue(IDX_GET_FOLDER_ITEMS_RSP, ctype, label, true, p_dev);
HAL_CBACK(bt_rc_callbacks, get_folder_items_cb,
pavrc_cmd->get_items.scope, pavrc_cmd->get_items.start_item,
pavrc_cmd->get_items.end_item, num_attr, attr_ids, &rc_addr);
} break;
case AVRC_PDU_SET_ADDRESSED_PLAYER: {
fill_pdu_queue(IDX_SET_ADDR_PLAYER_RSP, ctype, label, true, p_dev);
HAL_CBACK(bt_rc_callbacks, set_addressed_player_cb,
pavrc_cmd->addr_player.player_id, &rc_addr);
} break;
case AVRC_PDU_SET_BROWSED_PLAYER: {
fill_pdu_queue(IDX_SET_BROWSED_PLAYER_RSP, ctype, label, true, p_dev);
HAL_CBACK(bt_rc_callbacks, set_browsed_player_cb,
pavrc_cmd->br_player.player_id, &rc_addr);
} break;
case AVRC_PDU_REQUEST_CONTINUATION_RSP: {
BTIF_TRACE_EVENT("%s() REQUEST CONTINUATION: target_pdu: 0x%02d",
__func__, pavrc_cmd->continu.target_pdu);
tAVRC_RESPONSE avrc_rsp;
if (p_dev->rc_connected == TRUE) {
memset(&(avrc_rsp.continu), 0, sizeof(tAVRC_NEXT_RSP));
avrc_rsp.continu.opcode =
opcode_from_pdu(AVRC_PDU_REQUEST_CONTINUATION_RSP);
avrc_rsp.continu.pdu = AVRC_PDU_REQUEST_CONTINUATION_RSP;
avrc_rsp.continu.status = AVRC_STS_NO_ERROR;
avrc_rsp.continu.target_pdu = pavrc_cmd->continu.target_pdu;
send_metamsg_rsp(p_dev, -1, label, ctype, &avrc_rsp);
}
} break;
case AVRC_PDU_ABORT_CONTINUATION_RSP: {
BTIF_TRACE_EVENT("%s() ABORT CONTINUATION: target_pdu: 0x%02d", __func__,
pavrc_cmd->abort.target_pdu);
tAVRC_RESPONSE avrc_rsp;
if (p_dev->rc_connected == TRUE) {
memset(&(avrc_rsp.abort), 0, sizeof(tAVRC_NEXT_RSP));
avrc_rsp.abort.opcode =
opcode_from_pdu(AVRC_PDU_ABORT_CONTINUATION_RSP);
avrc_rsp.abort.pdu = AVRC_PDU_ABORT_CONTINUATION_RSP;
avrc_rsp.abort.status = AVRC_STS_NO_ERROR;
avrc_rsp.abort.target_pdu = pavrc_cmd->continu.target_pdu;
send_metamsg_rsp(p_dev, -1, label, ctype, &avrc_rsp);
}
} break;
case AVRC_PDU_CHANGE_PATH: {
fill_pdu_queue(IDX_CHG_PATH_RSP, ctype, label, true, p_dev);
HAL_CBACK(bt_rc_callbacks, change_path_cb, pavrc_cmd->chg_path.direction,
pavrc_cmd->chg_path.folder_uid, &rc_addr);
} break;
case AVRC_PDU_SEARCH: {
fill_pdu_queue(IDX_SEARCH_RSP, ctype, label, true, p_dev);
HAL_CBACK(bt_rc_callbacks, search_cb, pavrc_cmd->search.string.charset_id,
pavrc_cmd->search.string.str_len,
pavrc_cmd->search.string.p_str, &rc_addr);
} break;
case AVRC_PDU_GET_ITEM_ATTRIBUTES: {
btrc_media_attr_t item_attrs[BTRC_MAX_ELEM_ATTR_SIZE];
uint8_t num_attr = fill_attribute_id_array(
pavrc_cmd->get_attrs.attr_count,
(btrc_media_attr_t*)pavrc_cmd->get_attrs.p_attr_list,
BTRC_MAX_ELEM_ATTR_SIZE, item_attrs);
if (num_attr == 0) {
BTIF_TRACE_ERROR(
"%s: No valid attributes requested in GET_ITEM_ATTRIBUTES",
__func__);
send_reject_response(p_dev->rc_handle, label, pavrc_cmd->pdu,
AVRC_STS_BAD_PARAM, pavrc_cmd->cmd.opcode);
return;
}
fill_pdu_queue(IDX_GET_ITEM_ATTR_RSP, ctype, label, true, p_dev);
BTIF_TRACE_DEBUG("%s: GET_ITEM_ATTRIBUTES: num_attr: %d", __func__,
num_attr);
HAL_CBACK(bt_rc_callbacks, get_item_attr_cb, pavrc_cmd->get_attrs.scope,
pavrc_cmd->get_attrs.uid, pavrc_cmd->get_attrs.uid_counter,
num_attr, item_attrs, &rc_addr);
} break;
case AVRC_PDU_GET_TOTAL_NUM_OF_ITEMS: {
fill_pdu_queue(IDX_GET_TOTAL_NUM_OF_ITEMS_RSP, ctype, label, true, p_dev);
HAL_CBACK(bt_rc_callbacks, get_total_num_of_items_cb,
pavrc_cmd->get_num_of_items.scope, &rc_addr);
} break;
case AVRC_PDU_ADD_TO_NOW_PLAYING: {
fill_pdu_queue(IDX_ADD_TO_NOW_PLAYING_RSP, ctype, label, true, p_dev);
HAL_CBACK(bt_rc_callbacks, add_to_now_playing_cb,
pavrc_cmd->add_to_play.scope, pavrc_cmd->add_to_play.uid,
pavrc_cmd->add_to_play.uid_counter, &rc_addr);
} break;
case AVRC_PDU_PLAY_ITEM: {
fill_pdu_queue(IDX_PLAY_ITEM_RSP, ctype, label, true, p_dev);
HAL_CBACK(bt_rc_callbacks, play_item_cb, pavrc_cmd->play_item.scope,
pavrc_cmd->play_item.uid_counter, pavrc_cmd->play_item.uid,
&rc_addr);
} break;
default: {
send_reject_response(p_dev->rc_handle, label, pavrc_cmd->pdu,
AVRC_STS_BAD_CMD, pavrc_cmd->cmd.opcode);
return;
} break;
}
}
/*******************************************************************************
*
* Function btif_rc_ctrl_upstreams_rsp_cmd
*
* Description Executes AVRC UPSTREAMS response events in btif context.
*
* Returns void
*
******************************************************************************/
static void btif_rc_ctrl_upstreams_rsp_cmd(uint8_t event,
tAVRC_COMMAND* pavrc_cmd,
uint8_t label,
btif_rc_device_cb_t* p_dev) {
BTIF_TRACE_DEBUG("%s: pdu: %s: handle: 0x%x", __func__,
dump_rc_pdu(pavrc_cmd->pdu), p_dev->rc_handle);
RawAddress rc_addr = p_dev->rc_addr;
switch (event) {
case AVRC_PDU_SET_ABSOLUTE_VOLUME:
HAL_CBACK(bt_rc_ctrl_callbacks, setabsvol_cmd_cb, &rc_addr,
pavrc_cmd->volume.volume, label);
break;
case AVRC_PDU_REGISTER_NOTIFICATION:
if (pavrc_cmd->reg_notif.event_id == AVRC_EVT_VOLUME_CHANGE) {
HAL_CBACK(bt_rc_ctrl_callbacks, registernotification_absvol_cb,
&rc_addr, label);
}
break;
}
}
/*******************************************************************************
*
* Function btif_rc_upstreams_rsp_evt
*
* Description Executes AVRC UPSTREAMS response events in btif context.
*
* Returns void
*
******************************************************************************/
static void btif_rc_upstreams_rsp_evt(uint16_t event,
tAVRC_RESPONSE* pavrc_resp, uint8_t ctype,
uint8_t label,
btif_rc_device_cb_t* p_dev) {
BTIF_TRACE_EVENT("%s: pdu: %s: handle: 0x%x ctype: %x label: %x", __func__,
dump_rc_pdu(pavrc_resp->pdu), p_dev->rc_handle, ctype,
label);
RawAddress rc_addr = p_dev->rc_addr;
switch (event) {
case AVRC_PDU_REGISTER_NOTIFICATION: {
if (AVRC_RSP_CHANGED == ctype)
p_dev->rc_volume = pavrc_resp->reg_notif.param.volume;
HAL_CBACK(bt_rc_callbacks, volume_change_cb,
pavrc_resp->reg_notif.param.volume, ctype, &rc_addr);
} break;
case AVRC_PDU_SET_ABSOLUTE_VOLUME: {
BTIF_TRACE_DEBUG(
"%s: Set absolute volume change event received: volume: %d, ctype: "
"%d",
__func__, pavrc_resp->volume.volume, ctype);
if (AVRC_RSP_ACCEPT == ctype)
p_dev->rc_volume = pavrc_resp->volume.volume;
HAL_CBACK(bt_rc_callbacks, volume_change_cb, pavrc_resp->volume.volume,
ctype, &rc_addr);
} break;
default:
return;
}
}
/*******************************************************************************
* AVRCP API Functions
******************************************************************************/
/*******************************************************************************
*
* Function init
*
* Description Initializes the AVRC interface
*
* Returns bt_status_t
*
******************************************************************************/
static bt_status_t init(btrc_callbacks_t* callbacks) {
BTIF_TRACE_EVENT("%s: ", __func__);
bt_status_t result = BT_STATUS_SUCCESS;
if (bt_rc_callbacks) return BT_STATUS_DONE;
bt_rc_callbacks = callbacks;
for (int idx = 0; idx < BTIF_RC_NUM_CONN; idx++) {
memset(&btif_rc_cb.rc_multi_cb[idx], 0,
sizeof(btif_rc_cb.rc_multi_cb[idx]));
btif_rc_cb.rc_multi_cb[idx].rc_vol_label = MAX_LABEL;
btif_rc_cb.rc_multi_cb[idx].rc_volume = MAX_VOLUME;
btif_rc_cb.rc_multi_cb[idx].rc_state = BTRC_CONNECTION_STATE_DISCONNECTED;
}
lbl_init();
return result;
}
/*******************************************************************************
*
* Function init_ctrl
*
* Description Initializes the AVRC interface
*
* Returns bt_status_t
*
******************************************************************************/
static bt_status_t init_ctrl(btrc_ctrl_callbacks_t* callbacks) {
BTIF_TRACE_EVENT("%s: ", __func__);
bt_status_t result = BT_STATUS_SUCCESS;
if (bt_rc_ctrl_callbacks) return BT_STATUS_DONE;
bt_rc_ctrl_callbacks = callbacks;
for (int idx = 0; idx < BTIF_RC_NUM_CONN; idx++) {
memset(&btif_rc_cb.rc_multi_cb[idx], 0,
sizeof(btif_rc_cb.rc_multi_cb[idx]));
btif_rc_cb.rc_multi_cb[idx].rc_vol_label = MAX_LABEL;
btif_rc_cb.rc_multi_cb[idx].rc_volume = MAX_VOLUME;
}
lbl_init();
return result;
}
static void rc_ctrl_procedure_complete(btif_rc_device_cb_t* p_dev) {
if (p_dev == NULL) {
BTIF_TRACE_ERROR("%s: p_dev NULL", __func__);
return;
}
if (p_dev->rc_procedure_complete == true) {
return;
}
p_dev->rc_procedure_complete = true;
uint32_t attr_list[] = {
AVRC_MEDIA_ATTR_ID_TITLE, AVRC_MEDIA_ATTR_ID_ARTIST,
AVRC_MEDIA_ATTR_ID_ALBUM, AVRC_MEDIA_ATTR_ID_TRACK_NUM,
AVRC_MEDIA_ATTR_ID_NUM_TRACKS, AVRC_MEDIA_ATTR_ID_GENRE,
AVRC_MEDIA_ATTR_ID_PLAYING_TIME};
get_element_attribute_cmd(AVRC_MAX_NUM_MEDIA_ATTR_ID, attr_list, p_dev);
}
/***************************************************************************
*
* Function get_play_status_rsp
*
* Description Returns the current play status.
* This method is called in response to
* GetPlayStatus request.
*
* Returns bt_status_t
*
**************************************************************************/
static bt_status_t get_play_status_rsp(RawAddress* bd_addr,
btrc_play_status_t play_status,
uint32_t song_len, uint32_t song_pos) {
tAVRC_RESPONSE avrc_rsp;
btif_rc_device_cb_t* p_dev = btif_rc_get_device_by_bda(bd_addr);
BTIF_TRACE_DEBUG("%s: song len %d song pos %d", __func__, song_len, song_pos);
CHECK_RC_CONNECTED(p_dev);
memset(&(avrc_rsp.get_play_status), 0, sizeof(tAVRC_GET_PLAY_STATUS_RSP));
avrc_rsp.get_play_status.song_len = song_len;
avrc_rsp.get_play_status.song_pos = song_pos;
avrc_rsp.get_play_status.play_status = play_status;
avrc_rsp.get_play_status.pdu = AVRC_PDU_GET_PLAY_STATUS;
avrc_rsp.get_play_status.opcode = opcode_from_pdu(AVRC_PDU_GET_PLAY_STATUS);
avrc_rsp.get_play_status.status =
((play_status != BTRC_PLAYSTATE_ERROR) ? AVRC_STS_NO_ERROR
: AVRC_STS_BAD_PARAM);
/* Send the response */
send_metamsg_rsp(p_dev, IDX_GET_PLAY_STATUS_RSP,
p_dev->rc_pdu_info[IDX_GET_PLAY_STATUS_RSP].label,
p_dev->rc_pdu_info[IDX_GET_PLAY_STATUS_RSP].ctype,
&avrc_rsp);
return BT_STATUS_SUCCESS;
}
/***************************************************************************
*
* Function get_element_attr_rsp
*
* Description Returns the current songs' element attributes
* in text.
*
* Returns bt_status_t
*
**************************************************************************/
static bt_status_t get_element_attr_rsp(RawAddress* bd_addr, uint8_t num_attr,
btrc_element_attr_val_t* p_attrs) {
tAVRC_RESPONSE avrc_rsp;
uint32_t i;
tAVRC_ATTR_ENTRY element_attrs[BTRC_MAX_ELEM_ATTR_SIZE];
btif_rc_device_cb_t* p_dev = btif_rc_get_device_by_bda(bd_addr);
BTIF_TRACE_DEBUG("%s", __func__);
CHECK_RC_CONNECTED(p_dev);
memset(element_attrs, 0, sizeof(tAVRC_ATTR_ENTRY) * num_attr);
if (num_attr == 0) {
avrc_rsp.get_play_status.status = AVRC_STS_BAD_PARAM;
} else {
for (i = 0; i < num_attr; i++) {
element_attrs[i].attr_id = p_attrs[i].attr_id;
element_attrs[i].name.charset_id = AVRC_CHARSET_ID_UTF8;
element_attrs[i].name.str_len = (uint16_t)strlen((char*)p_attrs[i].text);
element_attrs[i].name.p_str = p_attrs[i].text;
BTIF_TRACE_DEBUG(
"%s: attr_id: 0x%x, charset_id: 0x%x, str_len: %d, str: %s", __func__,
(unsigned int)element_attrs[i].attr_id,
element_attrs[i].name.charset_id, element_attrs[i].name.str_len,
element_attrs[i].name.p_str);
}
avrc_rsp.get_play_status.status = AVRC_STS_NO_ERROR;
}
avrc_rsp.get_attrs.num_attrs = num_attr;
avrc_rsp.get_attrs.p_attrs = element_attrs;
avrc_rsp.get_attrs.pdu = AVRC_PDU_GET_ELEMENT_ATTR;
avrc_rsp.get_attrs.opcode = opcode_from_pdu(AVRC_PDU_GET_ELEMENT_ATTR);
/* Send the response */
send_metamsg_rsp(p_dev, IDX_GET_ELEMENT_ATTR_RSP,
p_dev->rc_pdu_info[IDX_GET_ELEMENT_ATTR_RSP].label,
p_dev->rc_pdu_info[IDX_GET_ELEMENT_ATTR_RSP].ctype,
&avrc_rsp);
return BT_STATUS_SUCCESS;
}
/***************************************************************************
*
* Function register_notification_rsp
*
* Description Response to the register notification request.
*
* Returns bt_status_t
*
**************************************************************************/
static bt_status_t register_notification_rsp(
btrc_event_id_t event_id, btrc_notification_type_t type,
btrc_register_notification_t* p_param) {
tAVRC_RESPONSE avrc_rsp;
BTIF_TRACE_EVENT("%s: event_id: %s", __func__,
dump_rc_notification_event_id(event_id));
std::unique_lock<std::mutex> lock(btif_rc_cb.lock);
memset(&(avrc_rsp.reg_notif), 0, sizeof(tAVRC_REG_NOTIF_RSP));
avrc_rsp.reg_notif.event_id = event_id;
avrc_rsp.reg_notif.pdu = AVRC_PDU_REGISTER_NOTIFICATION;
avrc_rsp.reg_notif.opcode = opcode_from_pdu(AVRC_PDU_REGISTER_NOTIFICATION);
avrc_rsp.get_play_status.status = AVRC_STS_NO_ERROR;
for (int idx = 0; idx < BTIF_RC_NUM_CONN; idx++) {
memset(&(avrc_rsp.reg_notif.param), 0, sizeof(tAVRC_NOTIF_RSP_PARAM));
if (!(btif_rc_cb.rc_multi_cb[idx].rc_connected)) {
BTIF_TRACE_ERROR("%s: Avrcp device is not connected, handle: 0x%x",
__func__, btif_rc_cb.rc_multi_cb[idx].rc_handle);
continue;
}
if (btif_rc_cb.rc_multi_cb[idx].rc_notif[event_id - 1].bNotify == false) {
BTIF_TRACE_WARNING(
"%s: Avrcp Event id is not registered: event_id: %x, handle: 0x%x",
__func__, event_id, btif_rc_cb.rc_multi_cb[idx].rc_handle);
continue;
}
BTIF_TRACE_DEBUG(
"%s: Avrcp Event id is registered: event_id: %x handle: 0x%x", __func__,
event_id, btif_rc_cb.rc_multi_cb[idx].rc_handle);
switch (event_id) {
case BTRC_EVT_PLAY_STATUS_CHANGED:
avrc_rsp.reg_notif.param.play_status = p_param->play_status;
if (avrc_rsp.reg_notif.param.play_status == PLAY_STATUS_PLAYING)
btif_av_clear_remote_suspend_flag();
break;
case BTRC_EVT_TRACK_CHANGE:
memcpy(&(avrc_rsp.reg_notif.param.track), &(p_param->track),
sizeof(btrc_uid_t));
break;
case BTRC_EVT_PLAY_POS_CHANGED:
avrc_rsp.reg_notif.param.play_pos = p_param->song_pos;
break;
case BTRC_EVT_AVAL_PLAYER_CHANGE:
break;
case BTRC_EVT_ADDR_PLAYER_CHANGE:
avrc_rsp.reg_notif.param.addr_player.player_id =
p_param->addr_player_changed.player_id;
avrc_rsp.reg_notif.param.addr_player.uid_counter =
p_param->addr_player_changed.uid_counter;
break;
case BTRC_EVT_UIDS_CHANGED:
avrc_rsp.reg_notif.param.uid_counter =
p_param->uids_changed.uid_counter;
break;
case BTRC_EVT_NOW_PLAYING_CONTENT_CHANGED:
break;
default:
BTIF_TRACE_WARNING("%s: Unhandled event ID: 0x%x", __func__, event_id);
return BT_STATUS_UNHANDLED;
}
/* Send the response. */
send_metamsg_rsp(
&btif_rc_cb.rc_multi_cb[idx], -1,
btif_rc_cb.rc_multi_cb[idx].rc_notif[event_id - 1].label,
((type == BTRC_NOTIFICATION_TYPE_INTERIM) ? AVRC_CMD_NOTIF
: AVRC_RSP_CHANGED),
&avrc_rsp);
}
return BT_STATUS_SUCCESS;
}
/***************************************************************************
*
* Function get_folder_items_list_rsp
*
* Description Returns the list of media items in current folder along with
* requested attributes. This is called in response to
* GetFolderItems request.
*
* Returns bt_status_t
* BT_STATUS_NOT_READY - when RC is not connected.
* BT_STATUS_SUCCESS - always if RC is connected
* BT_STATUS_UNHANDLED - when rsp is not pending for
* get_folder_items_list PDU
*
**************************************************************************/
static bt_status_t get_folder_items_list_rsp(RawAddress* bd_addr,
btrc_status_t rsp_status,
uint16_t uid_counter,
uint8_t num_items,
btrc_folder_items_t* p_items) {
tAVRC_RESPONSE avrc_rsp;
tAVRC_ITEM item;
tBTA_AV_CODE code = 0, ctype = 0;
BT_HDR* p_msg = NULL;
int item_cnt;
tAVRC_STS status = AVRC_STS_NO_ERROR;
btif_rc_device_cb_t* p_dev = btif_rc_get_device_by_bda(bd_addr);
btrc_folder_items_t* cur_item = NULL;
BTIF_TRACE_DEBUG("%s: uid_counter %d num_items %d", __func__, uid_counter,
num_items);
CHECK_RC_CONNECTED(p_dev);
/* check if rsp to previous cmd was completed */
if (p_dev->rc_pdu_info[IDX_GET_FOLDER_ITEMS_RSP].is_rsp_pending == false) {
BTIF_TRACE_WARNING("%s: Not sending response as no PDU was registered",
__func__);
return BT_STATUS_UNHANDLED;
}
memset(&avrc_rsp, 0, sizeof(tAVRC_RESPONSE));
memset(&item, 0, sizeof(tAVRC_ITEM));
avrc_rsp.get_items.pdu = AVRC_PDU_GET_FOLDER_ITEMS;
avrc_rsp.get_items.opcode = opcode_from_pdu(AVRC_PDU_GET_FOLDER_ITEMS);
avrc_rsp.get_items.status = status_code_map[rsp_status];
if (avrc_rsp.get_items.status != AVRC_STS_NO_ERROR) {
BTIF_TRACE_WARNING(
"%s: Error in parsing the received getfolderitems cmd. status: 0x%02x",
__func__, avrc_rsp.get_items.status);
status = avrc_rsp.get_items.status;
} else {
avrc_rsp.get_items.uid_counter = uid_counter;
avrc_rsp.get_items.item_count = 1;
/* create single item and build response iteratively for all num_items */
for (item_cnt = 0; item_cnt < num_items; item_cnt++) {
cur_item = &p_items[item_cnt];
item.item_type = p_items->item_type;
/* build respective item based on item_type. All items should be of same
* type within
* a response */
switch (p_items->item_type) {
case AVRC_ITEM_PLAYER: {
item.u.player.name.charset_id = cur_item->player.charset_id;
memcpy(&(item.u.player.features), &(cur_item->player.features),
sizeof(cur_item->player.features));
item.u.player.major_type = cur_item->player.major_type;
item.u.player.sub_type = cur_item->player.sub_type;
item.u.player.play_status = cur_item->player.play_status;
item.u.player.player_id = cur_item->player.player_id;
item.u.player.name.p_str = cur_item->player.name;
item.u.player.name.str_len =
(uint16_t)strlen((char*)(cur_item->player.name));
} break;
case AVRC_ITEM_FOLDER: {
memcpy(item.u.folder.uid, cur_item->folder.uid, sizeof(tAVRC_UID));
item.u.folder.type = cur_item->folder.type;
item.u.folder.playable = cur_item->folder.playable;
item.u.folder.name.charset_id = AVRC_CHARSET_ID_UTF8;
item.u.folder.name.str_len = strlen((char*)cur_item->folder.name);
item.u.folder.name.p_str = cur_item->folder.name;
} break;
case AVRC_ITEM_MEDIA: {
tAVRC_ATTR_ENTRY attr_vals[BTRC_MAX_ELEM_ATTR_SIZE];
memcpy(item.u.media.uid, cur_item->media.uid, sizeof(tAVRC_UID));
item.u.media.type = cur_item->media.type;
item.u.media.name.charset_id = cur_item->media.charset_id;
item.u.media.name.str_len = strlen((char*)cur_item->media.name);
item.u.media.name.p_str = cur_item->media.name;
item.u.media.attr_count = cur_item->media.num_attrs;
/* Handle attributes of given item */
if (item.u.media.attr_count == 0) {
item.u.media.p_attr_list = NULL;
} else {
memset(&attr_vals, 0,
sizeof(tAVRC_ATTR_ENTRY) * BTRC_MAX_ELEM_ATTR_SIZE);
fill_avrc_attr_entry(attr_vals, item.u.media.attr_count,
cur_item->media.p_attrs);
item.u.media.p_attr_list = attr_vals;
}
} break;
default: {
BTIF_TRACE_ERROR("%s: Unknown item_type: %d. Internal Error",
__func__, p_items->item_type);
status = AVRC_STS_INTERNAL_ERR;
} break;
}
avrc_rsp.get_items.p_item_list = &item;
/* Add current item to buffer and build response if no error in item type
*/
if (status != AVRC_STS_NO_ERROR) {
/* Reject response due to error occured for unknown item_type, break the
* loop */
break;
}
int len_before = p_msg ? p_msg->len : 0;
BTIF_TRACE_DEBUG("%s: item_cnt: %d len: %d", __func__, item_cnt,
len_before);
status = AVRC_BldResponse(p_dev->rc_handle, &avrc_rsp, &p_msg);
BTIF_TRACE_DEBUG("%s: Build rsp status: %d len: %d", __func__, status,
(p_msg ? p_msg->len : 0));
int len_after = p_msg ? p_msg->len : 0;
if (status != AVRC_STS_NO_ERROR || len_before == len_after) {
/* Error occured in build response or we ran out of buffer so break the
* loop */
break;
}
}
/* setting the error status */
avrc_rsp.get_items.status = status;
}
/* if packet built successfully, send the built items to BTA layer */
if (status == AVRC_STS_NO_ERROR) {
code = p_dev->rc_pdu_info[IDX_GET_FOLDER_ITEMS_RSP].ctype;
ctype = get_rsp_type_code(avrc_rsp.get_items.status, code);
BTA_AvMetaRsp(p_dev->rc_handle,
p_dev->rc_pdu_info[IDX_GET_FOLDER_ITEMS_RSP].label, ctype,
p_msg);
} else /* Error occured, send reject response */
{
BTIF_TRACE_ERROR("%s: Error status: 0x%02X. Sending reject rsp", __func__,
avrc_rsp.rsp.status);
send_reject_response(
p_dev->rc_handle, p_dev->rc_pdu_info[IDX_GET_FOLDER_ITEMS_RSP].label,
avrc_rsp.pdu, avrc_rsp.get_items.status, avrc_rsp.get_items.opcode);
}
/* Reset values for current pdu. */
p_dev->rc_pdu_info[IDX_GET_FOLDER_ITEMS_RSP].ctype = 0;
p_dev->rc_pdu_info[IDX_GET_FOLDER_ITEMS_RSP].label = 0;
p_dev->rc_pdu_info[IDX_GET_FOLDER_ITEMS_RSP].is_rsp_pending = false;
return status == AVRC_STS_NO_ERROR ? BT_STATUS_SUCCESS : BT_STATUS_FAIL;
}
/***************************************************************************
*
* Function set_addressed_player_rsp
*
* Description Response to set the addressed player for specified media
* player based on id in the media player list.
*
* Returns bt_status_t
* BT_STATUS_NOT_READY - when RC is not connected.
* BT_STATUS_SUCCESS - always if RC is connected
*
**************************************************************************/
static bt_status_t set_addressed_player_rsp(RawAddress* bd_addr,
btrc_status_t rsp_status) {
tAVRC_RESPONSE avrc_rsp;
btif_rc_device_cb_t* p_dev = btif_rc_get_device_by_bda(bd_addr);
BTIF_TRACE_DEBUG("%s", __func__);
CHECK_RC_CONNECTED(p_dev);
avrc_rsp.addr_player.pdu = AVRC_PDU_SET_ADDRESSED_PLAYER;
avrc_rsp.addr_player.opcode = opcode_from_pdu(AVRC_PDU_SET_ADDRESSED_PLAYER);
avrc_rsp.addr_player.status = status_code_map[rsp_status];
/* Send the response. */
send_metamsg_rsp(p_dev, IDX_SET_ADDR_PLAYER_RSP,
p_dev->rc_pdu_info[IDX_SET_ADDR_PLAYER_RSP].label,
p_dev->rc_pdu_info[IDX_SET_ADDR_PLAYER_RSP].ctype,
&avrc_rsp);
return BT_STATUS_SUCCESS;
}
/***************************************************************************
*
* Function set_browsed_player_rsp
*
* Description Response to set the browsed player command which contains
* current browsed path of the media player. By default,
* current_path = root and folder_depth = 0 for
* every set_browsed_player request.
*
* Returns bt_status_t
* BT_STATUS_NOT_READY - when RC is not connected.
* BT_STATUS_SUCCESS - if RC is connected and reponse
* sent successfully
* BT_STATUS_UNHANDLED - when rsp is not pending for
* set_browsed_player PDU
*
**************************************************************************/
static bt_status_t set_browsed_player_rsp(RawAddress* bd_addr,
btrc_status_t rsp_status,
uint32_t num_items,
uint16_t charset_id,
uint8_t folder_depth,
btrc_br_folder_name_t* p_folders) {
tAVRC_RESPONSE avrc_rsp;
tAVRC_NAME item;
BT_HDR* p_msg = NULL;
tBTA_AV_CODE code = 0;
tBTA_AV_CODE ctype = 0;
unsigned int item_cnt;
tAVRC_STS status = AVRC_STS_NO_ERROR;
btif_rc_device_cb_t* p_dev = btif_rc_get_device_by_bda(bd_addr);
CHECK_RC_CONNECTED(p_dev);
memset(&avrc_rsp, 0, sizeof(tAVRC_RESPONSE));
memset(&item, 0, sizeof(tAVRC_NAME));
avrc_rsp.br_player.status = status_code_map[rsp_status];
avrc_rsp.br_player.pdu = AVRC_PDU_SET_BROWSED_PLAYER;
avrc_rsp.br_player.opcode = opcode_from_pdu(AVRC_PDU_SET_BROWSED_PLAYER);
BTIF_TRACE_DEBUG("%s: rsp_status: 0x%02X avrc_rsp.br_player.status: 0x%02X",
__func__, rsp_status, avrc_rsp.br_player.status);
/* check if rsp to previous cmd was completed */
if (p_dev->rc_pdu_info[IDX_SET_BROWSED_PLAYER_RSP].is_rsp_pending == false) {
BTIF_TRACE_WARNING("%s: Not sending response as no PDU was registered",
__func__);
return BT_STATUS_UNHANDLED;
}
if (AVRC_STS_NO_ERROR == avrc_rsp.get_items.status) {
avrc_rsp.br_player.num_items = num_items;
avrc_rsp.br_player.charset_id = charset_id;
avrc_rsp.br_player.folder_depth = folder_depth;
avrc_rsp.br_player.p_folders = (tAVRC_NAME*)p_folders;
BTIF_TRACE_DEBUG("%s: folder_depth: 0x%02X num_items: %d", __func__,
folder_depth, num_items);
if (folder_depth > 0) {
/* Iteratively build response for all folders across folder depth upto
* current path */
avrc_rsp.br_player.folder_depth = 1;
for (item_cnt = 0; item_cnt < folder_depth; item_cnt++) {
BTIF_TRACE_DEBUG("%s: iteration: %d", __func__, item_cnt);
item.str_len = p_folders[item_cnt].str_len;
item.p_str = p_folders[item_cnt].p_str;
avrc_rsp.br_player.p_folders = &item;
/* Add current item to buffer and build response */
status = AVRC_BldResponse(p_dev->rc_handle, &avrc_rsp, &p_msg);
if (AVRC_STS_NO_ERROR != status) {
BTIF_TRACE_WARNING("%s: Build rsp status: %d", __func__, status);
/* if the build fails, it is likely that we ran out of buffer. so if
* we have
* some items to send, reset this error to no error for sending what we
* have */
if (item_cnt > 0) status = AVRC_STS_NO_ERROR;
/* Error occured in build response so break the loop */
break;
}
}
} else /* current path is root folder, no folders navigated yet */
{
status = AVRC_BldResponse(p_dev->rc_handle, &avrc_rsp, &p_msg);
}
/* setting the error status */
avrc_rsp.br_player.status = status;
} else /* error received from above layer */
{
BTIF_TRACE_WARNING(
"%s: Error in parsing the received setbrowsed command. status: 0x%02x",
__func__, avrc_rsp.br_player.status);
status = avrc_rsp.br_player.status;
}
/* if packet built successfully, send the built items to BTA layer */
if (status == AVRC_STS_NO_ERROR) {
code = p_dev->rc_pdu_info[IDX_SET_BROWSED_PLAYER_RSP].ctype;
ctype = get_rsp_type_code(avrc_rsp.br_player.status, code);
BTA_AvMetaRsp(p_dev->rc_handle,
p_dev->rc_pdu_info[IDX_SET_BROWSED_PLAYER_RSP].label, ctype,
p_msg);
} else /* Error occured, send reject response */
{
BTIF_TRACE_ERROR("%s: Error status: 0x%02X. Sending reject rsp", __func__,
avrc_rsp.br_player.status);
send_reject_response(
p_dev->rc_handle, p_dev->rc_pdu_info[IDX_SET_BROWSED_PLAYER_RSP].label,
avrc_rsp.pdu, avrc_rsp.br_player.status, avrc_rsp.get_items.opcode);
}
/* Reset values for set_browsed_player pdu.*/
p_dev->rc_pdu_info[IDX_SET_BROWSED_PLAYER_RSP].ctype = 0;
p_dev->rc_pdu_info[IDX_SET_BROWSED_PLAYER_RSP].label = 0;
p_dev->rc_pdu_info[IDX_SET_BROWSED_PLAYER_RSP].is_rsp_pending = false;
return status == AVRC_STS_NO_ERROR ? BT_STATUS_SUCCESS : BT_STATUS_FAIL;
}
/*******************************************************************************
*
* Function change_path_rsp
*
* Description Response to the change path command which
* contains number of items in the changed path.
*
* Returns bt_status_t
* BT_STATUS_NOT_READY - when RC is not connected.
* BT_STATUS_SUCCESS - always if RC is connected
*
**************************************************************************/
static bt_status_t change_path_rsp(RawAddress* bd_addr,
btrc_status_t rsp_status,
uint32_t num_items) {
tAVRC_RESPONSE avrc_rsp;
btif_rc_device_cb_t* p_dev = btif_rc_get_device_by_bda(bd_addr);
BTIF_TRACE_DEBUG("%s", __func__);
CHECK_RC_CONNECTED(p_dev);
avrc_rsp.chg_path.pdu = AVRC_PDU_CHANGE_PATH;
avrc_rsp.chg_path.opcode = opcode_from_pdu(AVRC_PDU_CHANGE_PATH);
avrc_rsp.chg_path.num_items = num_items;
avrc_rsp.chg_path.status = status_code_map[rsp_status];
/* Send the response. */
send_metamsg_rsp(p_dev, IDX_CHG_PATH_RSP,
p_dev->rc_pdu_info[IDX_CHG_PATH_RSP].label,
p_dev->rc_pdu_info[IDX_CHG_PATH_RSP].ctype, &avrc_rsp);
return BT_STATUS_SUCCESS;
}
/***************************************************************************
*
* Function search_rsp
*
* Description Response to search a string from media content command.
*
* Returns bt_status_t
* BT_STATUS_NOT_READY - when RC is not connected.
* BT_STATUS_SUCCESS - always if RC is connected
*
**************************************************************************/
static bt_status_t search_rsp(RawAddress* bd_addr, btrc_status_t rsp_status,
uint32_t uid_counter, uint32_t num_items) {
tAVRC_RESPONSE avrc_rsp;
btif_rc_device_cb_t* p_dev = btif_rc_get_device_by_bda(bd_addr);
BTIF_TRACE_DEBUG("%s", __func__);
CHECK_RC_CONNECTED(p_dev);
avrc_rsp.search.pdu = AVRC_PDU_SEARCH;
avrc_rsp.search.opcode = opcode_from_pdu(AVRC_PDU_SEARCH);
avrc_rsp.search.num_items = num_items;
avrc_rsp.search.uid_counter = uid_counter;
avrc_rsp.search.status = status_code_map[rsp_status];
/* Send the response. */
send_metamsg_rsp(p_dev, IDX_SEARCH_RSP,
p_dev->rc_pdu_info[IDX_SEARCH_RSP].label,
p_dev->rc_pdu_info[IDX_SEARCH_RSP].ctype, &avrc_rsp);
return BT_STATUS_SUCCESS;
}
/***************************************************************************
*
* Function get_item_attr_rsp
*
* Description Response to the get item's attributes command which
* contains number of attributes and values list in text.
*
* Returns bt_status_t
* BT_STATUS_NOT_READY - when RC is not connected.
* BT_STATUS_SUCCESS - always if RC is connected
*
**************************************************************************/
static bt_status_t get_item_attr_rsp(RawAddress* bd_addr,
btrc_status_t rsp_status, uint8_t num_attr,
btrc_element_attr_val_t* p_attrs) {
tAVRC_RESPONSE avrc_rsp;
tAVRC_ATTR_ENTRY item_attrs[BTRC_MAX_ELEM_ATTR_SIZE];
btif_rc_device_cb_t* p_dev = btif_rc_get_device_by_bda(bd_addr);
BTIF_TRACE_DEBUG("%s", __func__);
CHECK_RC_CONNECTED(p_dev);
memset(item_attrs, 0, sizeof(tAVRC_ATTR_ENTRY) * num_attr);
avrc_rsp.get_attrs.status = status_code_map[rsp_status];
if (rsp_status == BTRC_STS_NO_ERROR) {
fill_avrc_attr_entry(item_attrs, num_attr, p_attrs);
}
avrc_rsp.get_attrs.num_attrs = num_attr;
avrc_rsp.get_attrs.p_attrs = item_attrs;
avrc_rsp.get_attrs.pdu = AVRC_PDU_GET_ITEM_ATTRIBUTES;
avrc_rsp.get_attrs.opcode = opcode_from_pdu(AVRC_PDU_GET_ITEM_ATTRIBUTES);
/* Send the response. */
send_metamsg_rsp(p_dev, IDX_GET_ITEM_ATTR_RSP,
p_dev->rc_pdu_info[IDX_GET_ITEM_ATTR_RSP].label,
p_dev->rc_pdu_info[IDX_GET_ITEM_ATTR_RSP].ctype, &avrc_rsp);
return BT_STATUS_SUCCESS;
}
/***************************************************************************
*
* Function add_to_now_playing_rsp
*
* Description Response to command for adding speciafied media item
* to Now Playing queue.
*
* Returns bt_status_t
* BT_STATUS_NOT_READY - when RC is not connected.
* BT_STATUS_SUCCESS - always if RC is connected
*
**************************************************************************/
static bt_status_t add_to_now_playing_rsp(RawAddress* bd_addr,
btrc_status_t rsp_status) {
tAVRC_RESPONSE avrc_rsp;
btif_rc_device_cb_t* p_dev = btif_rc_get_device_by_bda(bd_addr);
BTIF_TRACE_DEBUG("%s", __func__);
CHECK_RC_CONNECTED(p_dev);
avrc_rsp.add_to_play.pdu = AVRC_PDU_ADD_TO_NOW_PLAYING;
avrc_rsp.add_to_play.opcode = opcode_from_pdu(AVRC_PDU_ADD_TO_NOW_PLAYING);
avrc_rsp.add_to_play.status = status_code_map[rsp_status];
/* Send the response. */
send_metamsg_rsp(p_dev, IDX_ADD_TO_NOW_PLAYING_RSP,
p_dev->rc_pdu_info[IDX_ADD_TO_NOW_PLAYING_RSP].label,
p_dev->rc_pdu_info[IDX_ADD_TO_NOW_PLAYING_RSP].ctype,
&avrc_rsp);
return BT_STATUS_SUCCESS;
}
/***************************************************************************
*
* Function play_item_rsp
*
* Description Response to command for playing the specified media item.
*
* Returns bt_status_t
* BT_STATUS_NOT_READY - when RC is not connected.
* BT_STATUS_SUCCESS - always if RC is connected
*
**************************************************************************/
static bt_status_t play_item_rsp(RawAddress* bd_addr,
btrc_status_t rsp_status) {
tAVRC_RESPONSE avrc_rsp;
btif_rc_device_cb_t* p_dev = btif_rc_get_device_by_bda(bd_addr);
BTIF_TRACE_DEBUG("%s", __func__);
CHECK_RC_CONNECTED(p_dev);
avrc_rsp.play_item.pdu = AVRC_PDU_PLAY_ITEM;
avrc_rsp.play_item.opcode = opcode_from_pdu(AVRC_PDU_PLAY_ITEM);
avrc_rsp.play_item.status = status_code_map[rsp_status];
/* Send the response. */
send_metamsg_rsp(p_dev, IDX_PLAY_ITEM_RSP,
p_dev->rc_pdu_info[IDX_PLAY_ITEM_RSP].label,
p_dev->rc_pdu_info[IDX_PLAY_ITEM_RSP].ctype, &avrc_rsp);
return BT_STATUS_SUCCESS;
}
/***************************************************************************
*
* Function get_total_num_of_items_rsp
*
* Description response to command to get the Number of Items
* in the selected folder at the selected scope
*
* Returns bt_status_t
* BT_STATUS_NOT_READY - when RC is not connected.
* BT_STATUS_SUCCESS - always if RC is connected
*
**************************************************************************/
static bt_status_t get_total_num_of_items_rsp(RawAddress* bd_addr,
btrc_status_t rsp_status,
uint32_t uid_counter,
uint32_t num_items) {
tAVRC_RESPONSE avrc_rsp;
btif_rc_device_cb_t* p_dev = btif_rc_get_device_by_bda(bd_addr);
BTIF_TRACE_DEBUG("%s", __func__);
CHECK_RC_CONNECTED(p_dev);
avrc_rsp.get_num_of_items.pdu = AVRC_PDU_GET_TOTAL_NUM_OF_ITEMS;
avrc_rsp.get_num_of_items.opcode =
opcode_from_pdu(AVRC_PDU_GET_TOTAL_NUM_OF_ITEMS);
avrc_rsp.get_num_of_items.num_items = num_items;
avrc_rsp.get_num_of_items.uid_counter = uid_counter;
avrc_rsp.get_num_of_items.status = status_code_map[rsp_status];
/* Send the response. */
send_metamsg_rsp(p_dev, IDX_GET_TOTAL_NUM_OF_ITEMS_RSP,
p_dev->rc_pdu_info[IDX_GET_TOTAL_NUM_OF_ITEMS_RSP].label,
p_dev->rc_pdu_info[IDX_GET_TOTAL_NUM_OF_ITEMS_RSP].ctype,
&avrc_rsp);
return BT_STATUS_SUCCESS;
}
/***************************************************************************
*
* Function set_volume
*
* Description Send current volume setting to remote side.
* Support limited to SetAbsoluteVolume
* This can be enhanced to support Relative Volume (AVRCP 1.0).
* With RelateVolume, we will send VOLUME_UP/VOLUME_DOWN
* as opposed to absolute volume level
* volume: Should be in the range 0-127. bit7 is reseved and cannot be set
*
* Returns bt_status_t
*
**************************************************************************/
static bt_status_t set_volume(uint8_t volume) {
BTIF_TRACE_DEBUG("%s: volume: %d", __func__, volume);
tAVRC_STS status = BT_STATUS_UNSUPPORTED;
rc_transaction_t* p_transaction = NULL;
for (int idx = 0; idx < BTIF_RC_NUM_CONN; idx++) {
if (!btif_rc_cb.rc_multi_cb[idx].rc_connected) {
status = BT_STATUS_NOT_READY;
BTIF_TRACE_ERROR("%s: RC is not connected for device: 0x%x", __func__,
btif_rc_cb.rc_multi_cb[idx].rc_addr);
continue;
}
if (btif_rc_cb.rc_multi_cb[idx].rc_volume == volume) {
status = BT_STATUS_DONE;
BTIF_TRACE_ERROR("%s: volume value already set earlier: 0x%02x", __func__,
volume);
continue;
}
if ((btif_rc_cb.rc_multi_cb[idx].rc_volume != volume) &&
btif_rc_cb.rc_multi_cb[idx].rc_state ==
BTRC_CONNECTION_STATE_CONNECTED) {
if ((btif_rc_cb.rc_multi_cb[idx].rc_features & BTA_AV_FEAT_RCTG) == 0) {
status = BT_STATUS_NOT_READY;
continue;
} else {
tAVRC_COMMAND avrc_cmd = {0};
BT_HDR* p_msg = NULL;
if (btif_rc_cb.rc_multi_cb[idx].rc_features & BTA_AV_FEAT_ADV_CTRL) {
BTIF_TRACE_DEBUG("%s: Peer supports absolute volume. newVolume: %d",
__func__, volume);
avrc_cmd.volume.opcode = AVRC_OP_VENDOR;
avrc_cmd.volume.pdu = AVRC_PDU_SET_ABSOLUTE_VOLUME;
avrc_cmd.volume.status = AVRC_STS_NO_ERROR;
avrc_cmd.volume.volume = volume;
if (AVRC_BldCommand(&avrc_cmd, &p_msg) == AVRC_STS_NO_ERROR) {
bt_status_t tran_status = get_transaction(&p_transaction);
if (BT_STATUS_SUCCESS == tran_status && NULL != p_transaction) {
BTIF_TRACE_DEBUG("%s: msgreq being sent out with label: %d",
__func__, p_transaction->lbl);
BTA_AvMetaCmd(btif_rc_cb.rc_multi_cb[idx].rc_handle,
p_transaction->lbl, AVRC_CMD_CTRL, p_msg);
status = BT_STATUS_SUCCESS;
} else {
osi_free_and_reset((void**)&p_msg);
BTIF_TRACE_ERROR(
"%s: failed to obtain transaction details. status: 0x%02x",
__func__, tran_status);
status = BT_STATUS_FAIL;
}
} else {
BTIF_TRACE_ERROR(
"%s: failed to build absolute volume command. status: 0x%02x",
__func__, status);
status = BT_STATUS_FAIL;
}
}
}
}
}
return (bt_status_t)status;
}
/***************************************************************************
*
* Function register_volumechange
*
* Description Register for volume change notification from remote side.
*
* Returns void
*
**************************************************************************/
static void register_volumechange(uint8_t lbl, btif_rc_device_cb_t* p_dev) {
tAVRC_COMMAND avrc_cmd = {0};
BT_HDR* p_msg = NULL;
tAVRC_STS BldResp = AVRC_STS_BAD_CMD;
rc_transaction_t* p_transaction = NULL;
BTIF_TRACE_DEBUG("%s: label: %d", __func__, lbl);
avrc_cmd.cmd.opcode = 0x00;
avrc_cmd.pdu = AVRC_PDU_REGISTER_NOTIFICATION;
avrc_cmd.reg_notif.event_id = AVRC_EVT_VOLUME_CHANGE;
avrc_cmd.reg_notif.status = AVRC_STS_NO_ERROR;
avrc_cmd.reg_notif.param = 0;
BldResp = AVRC_BldCommand(&avrc_cmd, &p_msg);
if (AVRC_STS_NO_ERROR == BldResp && p_msg) {
p_transaction = get_transaction_by_lbl(lbl);
if (p_transaction != NULL) {
BTA_AvMetaCmd(p_dev->rc_handle, p_transaction->lbl, AVRC_CMD_NOTIF,
p_msg);
BTIF_TRACE_DEBUG("%s: BTA_AvMetaCmd called", __func__);
} else {
osi_free(p_msg);
BTIF_TRACE_ERROR("%s: transaction not obtained with label: %d", __func__,
lbl);
}
} else {
BTIF_TRACE_ERROR("%s: failed to build command: %d", __func__, BldResp);
}
}
/***************************************************************************
*
* Function handle_rc_metamsg_rsp
*
* Description Handle RC metamessage response
*
* Returns void
*
**************************************************************************/
static void handle_rc_metamsg_rsp(tBTA_AV_META_MSG* pmeta_msg,
btif_rc_device_cb_t* p_dev) {
tAVRC_RESPONSE avrc_response = {0};
uint8_t scratch_buf[512] = {0};
tAVRC_STS status = BT_STATUS_UNSUPPORTED;
BTIF_TRACE_DEBUG("%s: ", __func__);
if (AVRC_OP_VENDOR == pmeta_msg->p_msg->hdr.opcode &&
(AVRC_RSP_CHANGED == pmeta_msg->code ||
AVRC_RSP_INTERIM == pmeta_msg->code ||
AVRC_RSP_ACCEPT == pmeta_msg->code || AVRC_RSP_REJ == pmeta_msg->code ||
AVRC_RSP_NOT_IMPL == pmeta_msg->code)) {
status = AVRC_ParsResponse(pmeta_msg->p_msg, &avrc_response, scratch_buf,
sizeof(scratch_buf));
BTIF_TRACE_DEBUG(
"%s: code:%d, event ID: %d, PDU: %x, parsing status: %d, label: %d",
__func__, pmeta_msg->code, avrc_response.reg_notif.event_id,
avrc_response.reg_notif.pdu, status, pmeta_msg->label);
if (status != AVRC_STS_NO_ERROR) {
if (AVRC_PDU_REGISTER_NOTIFICATION == avrc_response.rsp.pdu &&
AVRC_EVT_VOLUME_CHANGE == avrc_response.reg_notif.event_id &&
p_dev->rc_vol_label == pmeta_msg->label) {
p_dev->rc_vol_label = MAX_LABEL;
release_transaction(p_dev->rc_vol_label);
} else if (AVRC_PDU_SET_ABSOLUTE_VOLUME == avrc_response.rsp.pdu) {
release_transaction(pmeta_msg->label);
}
return;
}
if (AVRC_PDU_REGISTER_NOTIFICATION == avrc_response.rsp.pdu &&
AVRC_EVT_VOLUME_CHANGE == avrc_response.reg_notif.event_id &&
p_dev->rc_vol_label != pmeta_msg->label) {
// Just discard the message, if the device sends back with an incorrect
// label
BTIF_TRACE_DEBUG(
"%s: Discarding register notification in rsp.code: %d and label: %d",
__func__, pmeta_msg->code, pmeta_msg->label);
return;
}
if (AVRC_PDU_REGISTER_NOTIFICATION == avrc_response.rsp.pdu &&
AVRC_EVT_VOLUME_CHANGE == avrc_response.reg_notif.event_id &&
(AVRC_RSP_REJ == pmeta_msg->code ||
AVRC_RSP_NOT_IMPL == pmeta_msg->code)) {
BTIF_TRACE_DEBUG("%s remove AbsoluteVolume feature flag.", __func__);
p_dev->rc_features &= ~BTA_AV_FEAT_ADV_CTRL;
handle_rc_features(p_dev);
return;
}
} else {
BTIF_TRACE_DEBUG(
"%s: Received vendor dependent in adv ctrl rsp. code: %d len: %d. Not "
"processing it.",
__func__, pmeta_msg->code, pmeta_msg->len);
return;
}
if (AVRC_PDU_REGISTER_NOTIFICATION == avrc_response.rsp.pdu &&
AVRC_EVT_VOLUME_CHANGE == avrc_response.reg_notif.event_id &&
AVRC_RSP_CHANGED == pmeta_msg->code) {
/* re-register for volume change notification */
// Do not re-register for rejected case, as it might get into endless loop
register_volumechange(p_dev->rc_vol_label, p_dev);
} else if (AVRC_PDU_SET_ABSOLUTE_VOLUME == avrc_response.rsp.pdu) {
/* free up the label here */
release_transaction(pmeta_msg->label);
}
BTIF_TRACE_EVENT("%s: Passing received metamsg response to app. pdu: %s",
__func__, dump_rc_pdu(avrc_response.pdu));
btif_rc_upstreams_rsp_evt((uint16_t)avrc_response.rsp.pdu, &avrc_response,
pmeta_msg->code, pmeta_msg->label, p_dev);
}
/***************************************************************************
*
* Function iterate_supported_event_list_for_interim_rsp
*
* Description iterator callback function to match the event and handle
* timer cleanup
* Returns true to continue iterating, false to stop
*
********