blob: e6a3464efbea5ad959ca06d57d9e2a4468c233a5 [file] [log] [blame]
/*
* Copyright (c) 2021, The Linux Foundation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
* * Neither the name of The Linux Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#define ATRACE_TAG (ATRACE_TAG_AUDIO | ATRACE_TAG_HAL)
#define LOG_TAG "PAL: ACDEngine"
#include "ACDEngine.h"
#include <cmath>
#include <cutils/trace.h>
#include "Session.h"
#include "Stream.h"
#include "StreamACD.h"
#include "ResourceManager.h"
#include "acd_api.h"
#define FILENAME_LEN 128
std::shared_ptr<ACDEngine> ACDEngine::eng_;
ACDEngine::ACDEngine(Stream *s, std::shared_ptr<StreamConfig> sm_cfg) :
ContextDetectionEngine(s, sm_cfg)
{
int i;
PAL_DBG(LOG_TAG, "Enter");
for (i = 0; i < ACD_SOUND_MODEL_ID_MAX; i++)
model_count_[i] = 0;
session_->registerCallBack(HandleSessionCallBack, (uint64_t)this);
PAL_DBG(LOG_TAG, "Exit");
}
ACDEngine::~ACDEngine()
{
PAL_INFO(LOG_TAG, "Enter");
PAL_INFO(LOG_TAG, "Exit");
}
std::shared_ptr<ContextDetectionEngine> ACDEngine::GetInstance(
Stream *s,
std::shared_ptr<StreamConfig> sm_cfg)
{
if (!eng_)
eng_ = std::make_shared<ACDEngine>(s, sm_cfg);
return eng_;
}
bool ACDEngine::IsEngineActive()
{
if (eng_state_ == ENG_ACTIVE)
return true;
return false;
}
int32_t ACDEngine::ProcessStartEngine(Stream *s)
{
int32_t status = 0;
PAL_DBG(LOG_TAG, "Enter");
status = session_->prepare(s);
if (0 != status) {
PAL_ERR(LOG_TAG, "Error:%d Failed to prepare session", status);
goto exit;
}
status = session_->start(s);
if (0 != status) {
PAL_ERR(LOG_TAG, "Error:%d Failed to start session", status);
goto exit;
}
eng_state_ = ENG_ACTIVE;
exit:
PAL_DBG(LOG_TAG, "Exit, status %d", status);
return status;
}
int32_t ACDEngine::StartEngine(Stream *s)
{
int32_t status = 0;
PAL_DBG(LOG_TAG, "Enter");
std::lock_guard<std::mutex> lck(mutex_);
if (IsEngineActive())
goto exit;
status = ProcessStartEngine(s);
if (0 != status)
PAL_ERR(LOG_TAG, "Error:%d Failed to start Engine", status);
exit:
PAL_DBG(LOG_TAG, "Exit, status %d", status);
return status;
}
int32_t ACDEngine::ProcessStopEngine(Stream *s)
{
int32_t status = 0;
PAL_DBG(LOG_TAG, "Enter");
status = session_->stop(s);
if (status)
PAL_ERR(LOG_TAG, "Error:%d Failed to stop session", status);
eng_state_ = ENG_LOADED;
PAL_DBG(LOG_TAG, "Exit, status = %d", status);
return status;
}
int32_t ACDEngine::StopEngine(Stream *s)
{
int32_t status = 0;
PAL_DBG(LOG_TAG, "Enter");
std::lock_guard<std::mutex> lck(mutex_);
if (AreOtherStreamsAttached(s))
goto exit;
status = ProcessStopEngine(s);
if (0 != status) {
PAL_ERR(LOG_TAG, "Error:%d Failed to stop recognition", status);
goto exit;
}
exit:
PAL_DBG(LOG_TAG, "Exit, status = %d", status);
return status;
}
void ACDEngine::ParseEventAndNotifyClient()
{
uint8_t *event_data;
uint8_t *opaque_ptr;
uint64_t detection_ts = 0;
int i;
struct acd_context_event *event = NULL;
struct acd_per_context_event_info *event_info = NULL;
int num_contexts = 0;
std::map<Stream *, std::vector<struct acd_per_context_event_info *>*> stream_event_info;
/* ParseEvent */
while (!eventQ.empty())
{
struct acd_key_info_t *key_info = NULL;
struct acd_generic_key_id_reg_cfg_t *reg_cfg = NULL;
struct event_id_acd_detection_event_t *detection_event = NULL;
int i;
event_data = (uint8_t *)eventQ.front();
eventQ.pop();
opaque_ptr = event_data;
detection_event = (struct event_id_acd_detection_event_t *)opaque_ptr;
detection_ts = ((detection_event->event_timestamp_msw << 8) |
detection_event->event_timestamp_lsw);
opaque_ptr += sizeof(struct event_id_acd_detection_event_t);
key_info = (struct acd_key_info_t *)opaque_ptr;
PAL_INFO(LOG_TAG, "key id: %d", key_info->key_id);
opaque_ptr += sizeof(struct acd_key_info_t);
reg_cfg = (struct acd_generic_key_id_reg_cfg_t *)opaque_ptr;
PAL_INFO(LOG_TAG, "Num contexts: %d", reg_cfg->num_contexts);
opaque_ptr += sizeof(struct acd_generic_key_id_reg_cfg_t);
for (i = 0; i < reg_cfg->num_contexts; i++) {
uint32_t context_id;
uint32_t event_type;
std::map<Stream *, struct stream_context_info *> *stream_ctx_data;
event_info = (struct acd_per_context_event_info *)opaque_ptr;
opaque_ptr += sizeof(struct acd_per_context_event_info);
context_id = event_info->context_id;
event_type = event_info->event_type;
PAL_INFO(LOG_TAG, "Context Detection event %d received", event_type);
auto iter = contextinfo_stream_map_.find(context_id);
if (iter != contextinfo_stream_map_.end()) {
stream_ctx_data = iter->second;
PAL_INFO(LOG_TAG, "Received event contextId 0x%x, confidenceScore %d",
context_id, event_info->confidence_score);
for (auto iter2 = stream_ctx_data->begin();
iter2 != stream_ctx_data->end(); ++iter2) {
bool notify_stream = false;
struct stream_context_info *context_cfg = iter2->second;
StreamACD *s = dynamic_cast<StreamACD *>(iter2->first);
PAL_VERBOSE(LOG_TAG, "Stream Threshold value for contextid[%d] is %d",
context_id, context_cfg->threshold);
if ((event_type == AUDIO_CONTEXT_EVENT_STOPPED) &&
(context_cfg->last_event_type != AUDIO_CONTEXT_EVENT_STOPPED)) {
notify_stream = true;
} else if ((event_type == AUDIO_CONTEXT_EVENT_STARTED) &&
(event_info->confidence_score >= context_cfg->threshold)) {
notify_stream = true;
} else if (event_type == AUDIO_CONTEXT_EVENT_DETECTED) {
if (context_cfg->last_event_type == AUDIO_CONTEXT_EVENT_STARTED) {
notify_stream = true;
} else if (context_cfg->last_event_type == AUDIO_CONTEXT_EVENT_STOPPED) {
if (event_info->confidence_score >= context_cfg->threshold) {
PAL_INFO(LOG_TAG, "Changing event type to Started");
event_type = AUDIO_CONTEXT_EVENT_STARTED;
notify_stream = true;
}
} else if (context_cfg->last_event_type == AUDIO_CONTEXT_EVENT_DETECTED) {
if (abs(double((int)event_info->confidence_score - (int)context_cfg->last_confidence_score)) >= context_cfg->step_size)
notify_stream = true;
}
}
PAL_DBG(LOG_TAG, "last_event_type = %d, last_confidence_score = %d",
context_cfg->last_event_type, context_cfg->last_confidence_score);
if (notify_stream) {
std::vector<struct acd_per_context_event_info *> *event_list;
auto iter3 = stream_event_info.find(s);
struct acd_per_context_event_info *stream_event_data =
(struct acd_per_context_event_info *)calloc(1, sizeof(struct acd_per_context_event_info));
if(stream_event_data != NULL){
memcpy(stream_event_data, event_info, sizeof(*event_info));
stream_event_data->event_type = event_type;
context_cfg->last_event_type = event_type;
context_cfg->last_confidence_score = event_info->confidence_score;
if (iter3 != stream_event_info.end()) {
event_list = iter3->second;
event_list->push_back(stream_event_data);
} else {
event_list = new(std::vector<struct acd_per_context_event_info *>);
event_list->push_back(stream_event_data);
stream_event_info.insert(std::make_pair(s, event_list));
}
}
}
}
} else {
PAL_ERR(LOG_TAG, "Error:%d Received unregistered context %d event", -EINVAL, context_id);
}
}
free(event_data);
}
/* NotifyClient */
mutex_.unlock();
for (auto iter4 = stream_event_info.begin();
iter4 != stream_event_info.end();) {
StreamACD *s = dynamic_cast<StreamACD *>(iter4->first);
std::vector<struct acd_per_context_event_info *> event_list = *(iter4->second);
num_contexts = event_list.size();
event = (struct acd_context_event *)calloc(1, sizeof(*event) + (num_contexts * sizeof(acd_per_context_event_info)));
if(event != NULL){
event->detection_ts = detection_ts;
event->num_contexts = num_contexts;
opaque_ptr = (uint8_t *)event + sizeof(*event);
for (i = 0; i < num_contexts; i++) {
event_info = event_list[i];
memcpy(opaque_ptr, event_info, sizeof(*event_info));
free(event_info);
opaque_ptr += sizeof(*event_info);
}
s->SetEngineDetectionData(event);
delete(iter4->second);
stream_event_info.erase(iter4++);
}
}
mutex_.lock();
}
void ACDEngine::EventProcessingThread(ACDEngine *engine)
{
PAL_INFO(LOG_TAG, "Enter. start thread loop");
if (!engine) {
PAL_ERR(LOG_TAG, "Error:%d Invalid engine", -EINVAL);
return;
}
std::unique_lock<std::mutex> lck(engine->mutex_);
while (!engine->exit_thread_) {
if (engine->eventQ.empty()) {
PAL_DBG(LOG_TAG, "waiting on cond");
engine->cv_.wait(lck);
PAL_DBG(LOG_TAG, "done waiting on cond");
if (engine->exit_thread_) {
PAL_VERBOSE(LOG_TAG, "Exit thread");
break;
}
}
engine->ParseEventAndNotifyClient();
}
PAL_DBG(LOG_TAG, "Exit");
}
void ACDEngine::HandleSessionEvent(uint32_t event_id __unused,
void *data, uint32_t size)
{
void *event_data = calloc(1, size);
if (!event_data) {
PAL_ERR(LOG_TAG, "Error:failed to allocate mem for event_data");
return;
}
std::unique_lock<std::mutex> lck(mutex_);
memcpy(event_data, data, size);
eventQ.push(event_data);
cv_.notify_one();
}
void ACDEngine::HandleSessionCallBack(uint64_t hdl, uint32_t event_id,
void *data, uint32_t event_size)
{
ACDEngine *engine = nullptr;
PAL_INFO(LOG_TAG, "Enter, event detected on SPF, event id = 0x%x", event_id);
if ((hdl == 0) || !data) {
PAL_ERR(LOG_TAG, "Error:%d Invalid engine handle or event data", -EINVAL);
return;
}
if (event_id != EVENT_ID_ACD_DETECTION_EVENT)
return;
engine = (ACDEngine *)hdl;
if (engine->eng_state_ == ENG_ACTIVE)
engine->HandleSessionEvent(event_id, data, event_size);
else
PAL_INFO(LOG_TAG, "Engine not active or buffering might be going on, ignore");
PAL_DBG(LOG_TAG, "Exit");
return;
}
bool ACDEngine::AreOtherStreamsAttached(Stream *s) {
for (uint32_t i = 0; i < eng_streams_.size(); i++)
if (s != eng_streams_[i])
return true;
return false;
}
int32_t ACDEngine::RegDeregSoundModel(uint32_t sess_param_id, uint8_t *payload, size_t payload_size) {
int32_t status = 0;
uint32_t param_id, miid = 0;
uint32_t tag_id = CONTEXT_DETECTION_ENGINE;
uint8_t *session_payload = nullptr;
size_t len = 0;
PAL_DBG(LOG_TAG, "Enter, param : %u", sess_param_id);
status = session_->getMIID(nullptr, tag_id, &miid);
if (status != 0) {
PAL_ERR(LOG_TAG, "Error:%d Failed to get miid for tag %x", status, tag_id);
return status;
}
if (sess_param_id == PAL_PARAM_ID_LOAD_SOUND_MODEL)
param_id = PARAM_ID_DETECTION_ENGINE_REGISTER_MULTI_SOUND_MODEL;
else
param_id = PARAM_ID_DETECTION_ENGINE_DEREGISTER_MULTI_SOUND_MODEL;
status = builder_->payloadCustomParam(&session_payload, &len,
(uint32_t *)payload, payload_size, miid, param_id);
if (status || !session_payload) {
PAL_ERR(LOG_TAG, "Error:%d Failed to construct ACD soundmodel payload", status);
return -ENOMEM;
}
status = session_->setParameters(stream_handle_, tag_id, sess_param_id, session_payload);
if (status != 0)
PAL_ERR(LOG_TAG, "Error:%d Failed to send sound model payload", status);
return status;
}
int32_t ACDEngine::PopulateSoundModel(std::string model_file_name, uint32_t model_uuid)
{
FILE *fp;
size_t size = 0, bytes_read = 0;
int32_t status = 0;
void *payload = NULL;
char filename[FILENAME_LEN];
struct param_id_detection_engine_register_multi_sound_model_t *sm_data =
nullptr;
snprintf(filename, FILENAME_LEN, "%s%s", ACD_SM_FILEPATH, model_file_name.c_str());
fp = fopen(filename, "rb");
if (!fp) {
PAL_ERR(LOG_TAG, "Error:%d Unable to open soundmodel file '%s'", -EIO,
model_file_name.c_str());
return -EIO;
}
fseek(fp, 0, SEEK_END);
size = ftell(fp);
rewind(fp);
payload = calloc(1, size);
if (!payload) {
status = -ENOMEM;
goto close_fp;
}
bytes_read = fread((char*)payload, 1, size , fp);
if (bytes_read != size) {
status = -EIO;
PAL_ERR(LOG_TAG, "Error:%d failed to read data from soundmodel file' %s'\n",
status, model_file_name.c_str());
goto free_payload;
}
sm_data = (struct param_id_detection_engine_register_multi_sound_model_t *)
calloc(1, sizeof(
struct param_id_detection_engine_register_multi_sound_model_t) +
size);
if (sm_data == nullptr) {
status = -ENOMEM;
PAL_ERR(LOG_TAG, "Error:%d Failed to allocate memory for sm_data", status);
goto free_smdata;
}
sm_data->model_id = model_uuid;
sm_data->model_size = size;
ar_mem_cpy(sm_data->model, size, payload, size);
size += (sizeof(param_id_detection_engine_register_multi_sound_model_t));
status = RegDeregSoundModel(PAL_PARAM_ID_LOAD_SOUND_MODEL, (uint8_t *)sm_data, size);
free_smdata:
free(sm_data);
free_payload:
free(payload);
close_fp:
fclose(fp);
return status;
}
/* Decide is model load/unload is needed or not based on requested context id. */
void ACDEngine::UpdateModelCount(struct pal_param_context_list *context_cfg, bool enable)
{
int32_t i, model_id;
std::shared_ptr<ACDSoundModelInfo> sm_info;
bool model_to_update[ACD_SOUND_MODEL_ID_MAX] = { 0 };
/* Step 1. Update model_to_update based on model associated with context id */
for (i = 0; i < context_cfg->num_contexts; i++) {
sm_info = sm_cfg_->GetSoundModelInfoByContextId(context_cfg->context_id[i]);
if (!sm_info)
return;
model_id = sm_info->GetModelId();
model_to_update[model_id] = true;
}
/* Step 2. a. Update model_count based on enable/disable flag
* b. For enable, if model_count is 1, then set model_load_needed to true
* c. For disble, if model count is 0, then set model_unload_needed to true.
*/
for (model_id = 0; model_id < ACD_SOUND_MODEL_ID_MAX; model_id++) {
if (model_to_update[model_id] == true) {
if (enable) {
if (++model_count_[model_id] == 1) {
model_load_needed_[model_id] = true;
}
} else {
if (--model_count_[model_id] == 0) {
model_unload_needed_[model_id] = true;
}
}
}
PAL_DBG(LOG_TAG, "model_count for %d, after = %d", model_id, model_count_[model_id]);
}
}
void ACDEngine::RemoveEventInfoForStream(Stream *s)
{
std::map<Stream *, struct stream_context_info *> *stream_ctx_data;
uint32_t context_id;
struct stream_context_info *context_info = NULL, *current_context_info = NULL;
for (auto iter1 = contextinfo_stream_map_.begin();
iter1 != contextinfo_stream_map_.end(); ++iter1) {
context_id = iter1->first;
stream_ctx_data = iter1->second;
/* For each context id, find data associated with stream s,
* delete the entry and update final threshold value and step size.
*/
auto iter2 = stream_ctx_data->find(s);
if (iter2 != stream_ctx_data->end()) {
context_info = iter2->second;
/* Delete entry associated with stream s */
stream_ctx_data->erase(s);
/* update cumulative threshold value associated with context id */
auto iter3 = cumulative_contextinfo_map_.find(context_id);
if (iter3 != cumulative_contextinfo_map_.end()) {
current_context_info = iter3->second;
/* If stream threshold value/step size does not match with cumulative
* context_info values, then continue with next context_id.
*/
if ((current_context_info->threshold != context_info->threshold) &&
(current_context_info->step_size != context_info->step_size)) {
continue;
}
/* if there is no entry present with context_id, remove the key too */
if (stream_ctx_data->size() == 0) {
cumulative_contextinfo_map_.erase(context_id);
free(current_context_info);
current_context_info = NULL;
is_confidence_value_updated_ = true;
} else {
current_context_info->threshold = 100;
current_context_info->step_size = 100;
for (auto iter4 = stream_ctx_data->begin();
iter4 != stream_ctx_data->end(); ++iter4) {
struct stream_context_info *context_cfg = iter4->second;
/* update cumulative threshold values based on new set of
* stream context info.
*/
if (context_cfg->threshold < current_context_info->threshold) {
current_context_info->threshold = context_cfg->threshold;
is_confidence_value_updated_ = true;
}
if (context_cfg->step_size < current_context_info->step_size) {
current_context_info->step_size = context_cfg->step_size;
is_confidence_value_updated_ = true;
}
}
}
}
free(context_info);
context_info = NULL;
}
}
}
void ACDEngine::AddEventInfoForStream(Stream *s, struct acd_recognition_cfg *recog_cfg)
{
int i, num_contexts;
struct acd_per_context_cfg *context_cfg = NULL;
struct stream_context_info *context_info = NULL;
uint8_t *opaque_data = (uint8_t *)recog_cfg;
num_contexts = recog_cfg->num_contexts;
context_cfg = (struct acd_per_context_cfg *)(opaque_data + sizeof(struct acd_recognition_cfg));
for (i = 0; i < num_contexts; i++) {
std::map<Stream *, struct stream_context_info *> *stream_ctx_data;
/* Update contextinfo per stream */
auto iter1 = contextinfo_stream_map_.find(context_cfg[i].context_id);
if (iter1 != contextinfo_stream_map_.end()) {
stream_ctx_data = iter1->second;
// if entry is found, get the map handle and insert new value
context_info = (struct stream_context_info *)calloc(1, sizeof(struct stream_context_info));
if (!context_info) {
PAL_ERR(LOG_TAG, "Error:failed to allocate mem for context_info");
return;
}
context_info->threshold = context_cfg[i].threshold;
context_info->step_size = context_cfg[i].step_size;
stream_ctx_data->insert(std::make_pair(s, context_info));
} else {
// if entry is not found, create entry and insert it to map
stream_ctx_data = new std::map<Stream *, struct stream_context_info *>;
context_info = (struct stream_context_info *)calloc(1, sizeof(struct stream_context_info));
if (!context_info) {
PAL_ERR(LOG_TAG, "Error:failed to allocate mem for context_info");
return;
}
context_info->threshold = context_cfg[i].threshold;
context_info->step_size = context_cfg[i].step_size;
stream_ctx_data->insert(std::make_pair(s, context_info));
#ifndef LINUX_ENABLED
contextinfo_stream_map_.insert(std::make_pair(context_cfg[i].context_id,
stream_ctx_data));
#else
uint32_t ctx_id = context_cfg[i].context_id;
contextinfo_stream_map_.insert(std::make_pair(ctx_id, stream_ctx_data));
#endif
}
/* update/add cumulative contextinfo per context id */
auto iter3 = cumulative_contextinfo_map_.find(context_cfg[i].context_id);
if (iter3 != cumulative_contextinfo_map_.end()) {
context_info = iter3->second;
if (context_cfg[i].threshold < context_info->threshold) {
context_info->threshold = context_cfg[i].threshold;
is_confidence_value_updated_ = true;
}
if (context_cfg[i].step_size < context_info->step_size) {
context_info->step_size = context_cfg[i].step_size;
is_confidence_value_updated_ = true;
}
} else {
context_info = (struct stream_context_info *)calloc(1, sizeof(struct stream_context_info));
if (!context_info) {
PAL_ERR(LOG_TAG, "Error:failed to allocate mem for context_info");
return;
}
context_info->threshold = context_cfg[i].threshold;
context_info->step_size = context_cfg[i].step_size;
#ifndef LINUX_ENABLED
cumulative_contextinfo_map_.insert(std::make_pair(context_cfg[i].context_id,
context_info));
#else
uint32_t ctx_id = context_cfg[i].context_id;
cumulative_contextinfo_map_.insert(std::make_pair(ctx_id, context_info));
#endif
is_confidence_value_updated_ = true;
}
}
}
void ACDEngine::UpdateEventInfoForStream(Stream *s, struct acd_recognition_cfg *recog_cfg)
{
std::map<Stream *, struct stream_context_info *> *stream_ctx_data;
uint32_t context_id;
int i, num_contexts;
struct acd_per_context_cfg *context_cfg = NULL;
struct stream_context_info *context_info = NULL, *per_stream_context_info = NULL;
uint8_t *opaque_data = (uint8_t *)recog_cfg;
PAL_DBG(LOG_TAG, "Enter");
num_contexts = recog_cfg->num_contexts;
context_cfg = (struct acd_per_context_cfg *)(opaque_data + sizeof(struct acd_recognition_cfg));
/* 1. Add/Update existing context id threshold values and
* delete stream entries with older context id
*/
for (auto iter1 = contextinfo_stream_map_.begin();
iter1 != contextinfo_stream_map_.end();) {
bool found = false;
struct stream_context_info *context_info = NULL;
context_id = iter1->first;
stream_ctx_data = iter1->second;
iter1++;
/* For each context id, find context data associated with stream s,
* add/update threshold value and step size.
*/
auto iter2 = stream_ctx_data->find(s);
for (i = 0; i < num_contexts; i++) {
if (context_id == context_cfg[i].context_id) {
if (iter2 == stream_ctx_data->end())
context_info = (struct stream_context_info *)calloc(1, sizeof(struct stream_context_info));
else
context_info = iter2->second;
if (!context_info) {
PAL_ERR(LOG_TAG, "Error:failed to allocate mem for context_info");
return;
}
context_info->threshold = context_cfg[i].threshold;
context_info->step_size = context_cfg[i].step_size;
if (iter2 == stream_ctx_data->end())
stream_ctx_data->insert(std::make_pair(s, context_info));
found = true;
PAL_INFO(LOG_TAG, "Added/Updated Context id 0x%x, Threshold %d, step_size %d",
context_id, context_info->threshold, context_info->step_size);
}
}
/* Delete entry associated with stream s, if new config does not have context_id */
if (found == false) {
stream_ctx_data->erase(s);
if (stream_ctx_data->size() == 0)
contextinfo_stream_map_.erase(context_id);
}
}
/* Add new entries to contextinfo_stream_map_ */
for (i = 0; i < num_contexts; i++) {
std::map<Stream *, struct stream_context_info *> *stream_ctx_data;
/* Update contextinfo per stream */
auto iter1 = contextinfo_stream_map_.find(context_cfg[i].context_id);
if (iter1 == contextinfo_stream_map_.end()) {
// if entry is not found, create entry and insert it to map
stream_ctx_data = new std::map<Stream *, struct stream_context_info *>;
context_info = (struct stream_context_info *)calloc(1, sizeof(struct stream_context_info));
if (!context_info) {
PAL_ERR(LOG_TAG, "Error:failed to allocate mem for context_info");
return;
}
context_info->threshold = context_cfg[i].threshold;
context_info->step_size = context_cfg[i].step_size;
stream_ctx_data->insert(std::make_pair(s, context_info));
#ifndef LINUX_ENABLED
contextinfo_stream_map_.insert(std::make_pair(context_cfg[i].context_id,
stream_ctx_data));
#else
uint32_t ctx_id = context_cfg[i].context_id;
contextinfo_stream_map_.insert(std::make_pair(ctx_id, stream_ctx_data));
#endif
PAL_INFO(LOG_TAG, "Added Context id 0x%x, Threshold %d, step_size %d",
context_cfg[i].context_id, context_info->threshold, context_info->step_size);
}
}
for (auto iter1 = cumulative_contextinfo_map_.begin();
iter1 != cumulative_contextinfo_map_.end();) {
context_id = iter1->first;
context_info = iter1->second;
iter1++;
auto iter2 = contextinfo_stream_map_.find(context_id);
if (iter2 == contextinfo_stream_map_.end()) {
cumulative_contextinfo_map_.erase(context_id);
PAL_INFO(LOG_TAG, "Removed context id 0x%x from cumulative contextinfo map", context_id);
is_confidence_value_updated_ = true;
}
}
for (auto iter1 = contextinfo_stream_map_.begin();
iter1 != contextinfo_stream_map_.end(); ++iter1) {
context_id = iter1->first;
stream_ctx_data = iter1->second;
/* update/add cumulative contextinfo per context id */
for (auto iter2 = stream_ctx_data->begin();
iter2 != stream_ctx_data->end(); ++iter2) {
per_stream_context_info = iter2->second;
auto iter3 = cumulative_contextinfo_map_.find(context_id);
if (iter3 != cumulative_contextinfo_map_.end()) {
context_info = iter3->second;
if (per_stream_context_info->threshold < context_info->threshold) {
PAL_INFO(LOG_TAG, "Updated threshold value for context id 0x%x, old = %d, new = %d",
context_id,context_info->threshold, per_stream_context_info->threshold);
context_info->threshold = per_stream_context_info->threshold;
is_confidence_value_updated_ = true;
}
if (per_stream_context_info->step_size < context_info->step_size) {
PAL_INFO(LOG_TAG, "Updated step_size for context id 0x%x, old = %d, new = %d",
context_id,context_info->step_size, per_stream_context_info->step_size);
context_info->step_size = per_stream_context_info->step_size;
is_confidence_value_updated_ = true;
}
} else {
context_info = (struct stream_context_info *)calloc(1, sizeof(struct stream_context_info));
if (!context_info) {
PAL_ERR(LOG_TAG, "Error:failed to allocate mem for context_info");
return;
}
context_info->threshold = context_cfg[i].threshold;
context_info->step_size = context_cfg[i].step_size;
#ifndef LINUX_ENABLED
cumulative_contextinfo_map_.insert(std::make_pair(context_cfg[i].context_id,
context_info));
#else
uint32_t ctx_id = context_cfg[i].context_id;
cumulative_contextinfo_map_.insert(std::make_pair(ctx_id, context_info));
#endif
PAL_INFO(LOG_TAG, "Added context id 0x%x from cumulative contextinfo map", context_id);
is_confidence_value_updated_ = true;
}
}
}
PAL_INFO(LOG_TAG, "Exit, is_confidence_value_updated = %d", is_confidence_value_updated_);
}
bool ACDEngine::IsModelBinAvailable(uint32_t model_id)
{
std::shared_ptr<ACDSoundModelInfo> sm_info = NULL;
std::string bin_name;
sm_info = sm_cfg_->GetSoundModelInfoByModelId(model_id);
if (sm_info) {
bin_name = sm_info->GetModelBinName();
if (!bin_name.empty())
return true;
}
return false;
}
bool ACDEngine::IsModelUnloadNeeded()
{
int32_t model_id;
for (model_id = ACD_SOUND_MODEL_ID_ENV; model_id < ACD_SOUND_MODEL_ID_MAX; model_id++) {
if ((model_unload_needed_[model_id] == true) && (model_load_needed_[model_id] == false))
if (IsModelBinAvailable(model_id))
return true;
}
return false;
}
bool ACDEngine::IsModelLoadNeeded()
{
int32_t model_id;
std::shared_ptr<ACDSoundModelInfo> sm_info = NULL;
std::string bin_name;
for (model_id = ACD_SOUND_MODEL_ID_ENV; model_id < ACD_SOUND_MODEL_ID_MAX; model_id++) {
if ((model_load_needed_[model_id] == true) && (model_unload_needed_[model_id] == false)) {
if (IsModelBinAvailable(model_id))
return true;
}
}
return false;
}
int32_t ACDEngine::UnloadSoundModel()
{
int32_t status = 0, model_id;
struct param_id_detection_engine_deregister_multi_sound_model_t
deregister_config;
memset(&deregister_config, 0, sizeof(struct param_id_detection_engine_deregister_multi_sound_model_t));
for (model_id = 0; model_id < ACD_SOUND_MODEL_ID_MAX; model_id++) {
if (model_unload_needed_[model_id]) {
/* Ignore if same model is supposed to be loaded again */
PAL_DBG(LOG_TAG, "Model unload needed for %d, model_load_needed = %d",
model_id, model_load_needed_[model_id]);
if (model_load_needed_[model_id] || !IsModelBinAvailable(model_id)) {
PAL_INFO(LOG_TAG, " Skipping Unloading of model %d", model_id);
continue;
}
PAL_INFO(LOG_TAG, "Unloading model %d", model_id);
std::shared_ptr<ACDSoundModelInfo> modelInfo = sm_cfg_->GetSoundModelInfoByModelId(model_id);
if (!modelInfo) {
status = -EINVAL;
PAL_ERR(LOG_TAG, "Error:failed to obtain model Info by model ID %d", model_id);
return status;
}
deregister_config.model_id = modelInfo->GetModelUUID();
if (deregister_config.model_id)
status = RegDeregSoundModel(PAL_PARAM_ID_UNLOAD_SOUND_MODEL, (uint8_t *)&deregister_config,
sizeof(deregister_config));
}
}
return status;
}
int32_t ACDEngine::PopulateEventPayload()
{
struct event_id_acd_detection_cfg_t *detection_cfg = NULL;
struct acd_key_info_t *key_info = NULL;
struct acd_generic_key_id_reg_cfg_t *reg_cfg = NULL;
struct acd_per_context_cfg *context_cfg = NULL;
uint8_t *event_payload = NULL;
size_t event_payload_size = 0;
uint32_t num_keys = 1;
uint32_t offset = 0;
uint32_t num_contexts = cumulative_contextinfo_map_.size();
if (num_contexts == 0)
return 0;
event_payload_size = sizeof(struct event_id_acd_detection_cfg_t) +
(num_keys * sizeof(struct acd_key_info_t)) +
(num_keys * sizeof(struct acd_generic_key_id_reg_cfg_t)) +
(num_contexts * sizeof(struct acd_per_context_cfg));
event_payload = (uint8_t *) calloc(1, event_payload_size);
if (!event_payload) {
PAL_ERR(LOG_TAG, "Error:failed to allocate mem for event_data");
return -ENOMEM;
}
detection_cfg = (struct event_id_acd_detection_cfg_t *) event_payload;
detection_cfg->num_keys = 1;
offset = sizeof(struct event_id_acd_detection_cfg_t);
key_info = (struct acd_key_info_t *)(event_payload + offset);
key_info->key_id = ACD_KEY_ID_GENERIC_INFO ;
key_info->key_payload_size = sizeof(struct acd_generic_key_id_reg_cfg_t) +
(num_contexts * sizeof(struct acd_per_context_cfg));
offset += sizeof(struct acd_key_info_t);
reg_cfg = (struct acd_generic_key_id_reg_cfg_t *)(event_payload + offset);
reg_cfg->num_contexts = num_contexts;
offset += sizeof(struct acd_generic_key_id_reg_cfg_t);
for (auto iter1 = cumulative_contextinfo_map_.begin();
iter1 != cumulative_contextinfo_map_.end(); ++iter1) {
struct stream_context_info *context_info = iter1->second;
context_cfg = (struct acd_per_context_cfg *) (event_payload + offset);
context_cfg->context_id = iter1->first;
context_cfg->threshold = context_info->threshold;
context_cfg->step_size = context_info->step_size;
PAL_INFO(LOG_TAG, "Registering event for context id 0x%x, threshold %d, step_size %d",
context_cfg->context_id, context_cfg->threshold, context_cfg->step_size);
offset += sizeof(struct acd_per_context_cfg);
}
session_->setEventPayload(EVENT_ID_ACD_DETECTION_EVENT, (void *)event_payload, event_payload_size);
free(event_payload);
return 0;
}
int32_t ACDEngine::LoadSoundModel()
{
int32_t status = 0, model_id;
std::shared_ptr<ACDSoundModelInfo> sm_info;
std::string bin_name;
uint32_t uuid;
for (model_id = ACD_SOUND_MODEL_ID_ENV; model_id < ACD_SOUND_MODEL_ID_MAX; model_id++) {
if (model_load_needed_[model_id]) {
/* Ignore is same model is already loaded */
PAL_DBG(LOG_TAG, "Model load needed for %d, model_unload_needed = %d",
model_id, model_unload_needed_[model_id]);
if (model_unload_needed_[model_id])
continue;
PAL_INFO(LOG_TAG, "Loading model %d", model_id);
sm_info = sm_cfg_->GetSoundModelInfoByModelId(model_id);
if (!sm_info)
return -EINVAL;
bin_name = sm_info->GetModelBinName();
if (!bin_name.empty()) {
uuid = sm_info->GetModelUUID();
status = PopulateSoundModel(bin_name, uuid);
}
}
}
return status;
}
int32_t ACDEngine::HandleMultiStreamLoadUnload(Stream *s)
{
int32_t status = 0;
bool restore_eng_state = false;
PAL_DBG(LOG_TAG, "Enter");
std::unique_lock<std::mutex> lck(mutex_);
if (IsEngineActive()) {
ProcessStopEngine(eng_streams_[0]);
restore_eng_state = true;
}
status = UnloadSoundModel();
if (0 != status) {
PAL_ERR(LOG_TAG, "Error:%d Failed to unload sound model", status);
session_->close(s);
goto exit;
}
status = PopulateEventPayload();
if (0 != status) {
PAL_ERR(LOG_TAG, "Error:%d Failed to setup Event payload", status);
session_->close(s);
goto exit;
}
status = LoadSoundModel();
if (0 != status) {
PAL_ERR(LOG_TAG, "Error:%d Failed to load sound model", status);
session_->close(s);
goto exit;
}
eng_state_ = ENG_LOADED;
if (restore_eng_state)
status = ProcessStartEngine(eng_streams_[0]);
exit:
PAL_DBG(LOG_TAG, "Exit, status = %d", status);
return status;
}
void ACDEngine::ResetModelLoadUnloadFlags()
{
is_confidence_value_updated_ = false;
for (int model_id = ACD_SOUND_MODEL_ID_ENV; model_id < ACD_SOUND_MODEL_ID_MAX; model_id++) {
model_load_needed_[model_id] = false;
model_unload_needed_[model_id] = false;
}
}
int32_t ACDEngine::SetupEngine(Stream *st, void *config)
{
int32_t status = 0;
struct acd_recognition_cfg *recog_cfg = NULL;
struct pal_param_context_list *context_cfg = (struct pal_param_context_list *)config;
StreamACD *s = dynamic_cast<StreamACD *>(st);
std::unique_lock<std::mutex> lck(mutex_);
ResetModelLoadUnloadFlags();
UpdateModelCount(context_cfg, true);
recog_cfg = s->GetRecognitionConfig();
if (recog_cfg)
AddEventInfoForStream(s, recog_cfg);
/* Check whether any stream is already attached to this engine */
if (AreOtherStreamsAttached(s)) {
if (IsModelLoadNeeded() || is_confidence_value_updated_) {
lck.unlock();
status = HandleMultiStreamLoadUnload(s);
lck.lock();
}
/* Register stream if new model is not required to be loaded */
goto exit;
}
status = session_->open(s);
if (0 != status) {
PAL_ERR(LOG_TAG, "Error:%d Failed to open session", status);
goto exit;
}
status = PopulateEventPayload();
if (0 != status) {
PAL_ERR(LOG_TAG, "Error:%d Failed to setup Event payload", status);
session_->close(s);
goto exit;
}
status = LoadSoundModel();
if (0 != status) {
PAL_ERR(LOG_TAG, "Error:%d Failed to load sound model", status);
session_->close(s);
goto exit;
}
exit_thread_ = false;
event_thread_handler_ = std::thread(ACDEngine::EventProcessingThread, this);
if (!event_thread_handler_.joinable()) {
PAL_ERR(LOG_TAG, "Error:%d failed to create event processing thread",
status);
session_->close(s);
status = -EINVAL;
goto exit;
}
eng_state_ = ENG_LOADED;
exit:
if (!status)
eng_streams_.push_back(s);
return status;
}
int32_t ACDEngine::ReconfigureEngine(Stream *st, void *old_cfg, void *new_cfg)
{
int32_t status = 0;
struct acd_recognition_cfg *recog_cfg = NULL;
StreamACD *s = dynamic_cast<StreamACD *>(st);
ResetModelLoadUnloadFlags();
UpdateModelCount((struct pal_param_context_list *)old_cfg, false);
UpdateModelCount((struct pal_param_context_list *)new_cfg, true);
recog_cfg = s->GetRecognitionConfig();
if (recog_cfg)
UpdateEventInfoForStream(s, recog_cfg);
if (IsModelLoadNeeded() || IsModelUnloadNeeded() || is_confidence_value_updated_) {
status = HandleMultiStreamLoadUnload(s);
}
return status;
}
int32_t ACDEngine::TeardownEngine(Stream *st, void *config)
{
int32_t status = 0;
struct pal_param_context_list *cfg = (struct pal_param_context_list *)config;
struct acd_recognition_cfg *recog_cfg = NULL;
StreamACD *s = dynamic_cast<StreamACD *>(st);
std::unique_lock<std::mutex> lck(mutex_);
ResetModelLoadUnloadFlags();
UpdateModelCount(cfg, false);
recog_cfg = s->GetRecognitionConfig();
if (recog_cfg)
RemoveEventInfoForStream(s);
/* Check whether any stream is already attached to this engine */
if (AreOtherStreamsAttached(s)) {
if (IsModelUnloadNeeded() || is_confidence_value_updated_) {
lck.unlock();
status = HandleMultiStreamLoadUnload(s);
lck.lock();
}
/* Register stream if new model is not required to be loaded */
goto exit;
}
exit_thread_ = true;
if (event_thread_handler_.joinable()) {
cv_.notify_one();
lck.unlock();
event_thread_handler_.join();
lck.lock();
PAL_INFO(LOG_TAG, "Thread joined");
}
/* No need to unload soundmodel as the graph/engine instance will get closed */
status = session_->close(s);
if (status)
PAL_ERR(LOG_TAG, "Error:%d Failed to close session", status);
eng_state_ = ENG_IDLE;
exit:
auto iter = std::find(eng_streams_.begin(), eng_streams_.end(), s);
if (iter != eng_streams_.end())
eng_streams_.erase(iter);
return status;
}