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/*
**
** Copyright 2022, 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.
*/
// #define LOG_NDEBUG 0
#define LOG_TAG "SoundDoseManager"
#include "SoundDoseManager.h"
#include "android/media/SoundDoseRecord.h"
#include <algorithm>
#include <android-base/stringprintf.h>
#include <cinttypes>
#include <ctime>
#include <functional>
#include <media/AidlConversionCppNdk.h>
#include <utils/Log.h>
namespace android {
using aidl::android::media::audio::common::AudioDevice;
namespace {
// Port handle used when CSD is computed on all devices. Should be a different value than
// AUDIO_PORT_HANDLE_NONE which is associated with a sound dose callback failure
constexpr audio_port_handle_t CSD_ON_ALL_DEVICES_PORT_HANDLE = -1;
int64_t getMonotonicSecond() {
struct timespec now_ts;
if (clock_gettime(CLOCK_MONOTONIC, &now_ts) != 0) {
ALOGE("%s: cannot get timestamp", __func__);
return -1;
}
return now_ts.tv_sec;
}
constexpr float kDefaultRs2LowerBound = 80.f; // dBA
} // namespace
sp<audio_utils::MelProcessor> SoundDoseManager::getOrCreateProcessorForDevice(
audio_port_handle_t deviceId, audio_io_handle_t streamHandle, uint32_t sampleRate,
size_t channelCount, audio_format_t format) {
const std::lock_guard _l(mLock);
if (!mUseFrameworkMel && mHalSoundDose.size() > 0 && mEnabledCsd) {
ALOGD("%s: using HAL MEL computation, no MelProcessor needed.", __func__);
return nullptr;
}
auto streamProcessor = mActiveProcessors.find(streamHandle);
if (streamProcessor != mActiveProcessors.end()) {
auto processor = streamProcessor->second.promote();
// if processor is nullptr it means it was removed by the playback
// thread and can be replaced in the mActiveProcessors map
if (processor != nullptr) {
ALOGV("%s: found callback for stream id %d", __func__, streamHandle);
const auto activeTypeIt = mActiveDeviceTypes.find(deviceId);
if (activeTypeIt != mActiveDeviceTypes.end()) {
processor->setAttenuation(mMelAttenuationDB[activeTypeIt->second]);
}
processor->setDeviceId(deviceId);
processor->setOutputRs2UpperBound(mRs2UpperBound);
return processor;
}
}
ALOGV("%s: creating new callback for stream id %d", __func__, streamHandle);
sp<audio_utils::MelProcessor> melProcessor = sp<audio_utils::MelProcessor>::make(
sampleRate, channelCount, format, this, deviceId, mRs2UpperBound);
const auto activeTypeIt = mActiveDeviceTypes.find(deviceId);
if (activeTypeIt != mActiveDeviceTypes.end()) {
melProcessor->setAttenuation(mMelAttenuationDB[activeTypeIt->second]);
}
mActiveProcessors[streamHandle] = melProcessor;
return melProcessor;
}
bool SoundDoseManager::setHalSoundDoseInterface(const std::string &module,
const std::shared_ptr<ISoundDose> &halSoundDose) {
ALOGV("%s", __func__);
if (halSoundDose == nullptr) {
ALOGI("%s: passed ISoundDose object is null", __func__);
return false;
}
std::shared_ptr<HalSoundDoseCallback> halSoundDoseCallback;
{
const std::lock_guard _l(mLock);
if (mHalSoundDose.find(module) != mHalSoundDose.end()) {
ALOGW("%s: Module %s already has a sound dose HAL assigned, skipping", __func__,
module.c_str());
return false;
}
mHalSoundDose[module] = halSoundDose;
if (!halSoundDose->setOutputRs2UpperBound(mRs2UpperBound).isOk()) {
ALOGW("%s: Cannot set RS2 value for momentary exposure %f",
__func__,
mRs2UpperBound);
}
// initialize the HAL sound dose callback lazily
if (mHalSoundDoseCallback == nullptr) {
mHalSoundDoseCallback =
ndk::SharedRefBase::make<HalSoundDoseCallback>(this);
}
halSoundDoseCallback = mHalSoundDoseCallback;
}
auto status = halSoundDose->registerSoundDoseCallback(halSoundDoseCallback);
if (!status.isOk()) {
// Not a warning since this can happen if the callback was registered before
ALOGI("%s: Cannot register HAL sound dose callback with status message: %s",
__func__,
status.getMessage());
}
return true;
}
void SoundDoseManager::resetHalSoundDoseInterfaces() {
ALOGV("%s", __func__);
const std::lock_guard _l(mLock);
mHalSoundDose.clear();
}
void SoundDoseManager::setOutputRs2UpperBound(float rs2Value) {
ALOGV("%s", __func__);
const std::lock_guard _l(mLock);
if (!mUseFrameworkMel && mHalSoundDose.size() > 0) {
bool success = true;
for (auto& halSoundDose : mHalSoundDose) {
// using the HAL sound dose interface
if (!halSoundDose.second->setOutputRs2UpperBound(rs2Value).isOk()) {
ALOGE("%s: Cannot set RS2 value for momentary exposure %f", __func__, rs2Value);
success = false;
break;
}
}
if (success) {
mRs2UpperBound = rs2Value;
} else {
// restore all RS2 upper bounds to the previous value
for (auto& halSoundDose : mHalSoundDose) {
halSoundDose.second->setOutputRs2UpperBound(mRs2UpperBound);
}
}
return;
}
for (auto& streamProcessor : mActiveProcessors) {
const sp<audio_utils::MelProcessor> processor = streamProcessor.second.promote();
if (processor != nullptr) {
const status_t result = processor->setOutputRs2UpperBound(rs2Value);
if (result != NO_ERROR) {
ALOGW("%s: could not set RS2 upper bound %f for stream %d", __func__, rs2Value,
streamProcessor.first);
return;
}
mRs2UpperBound = rs2Value;
}
}
}
void SoundDoseManager::removeStreamProcessor(audio_io_handle_t streamHandle) {
const std::lock_guard _l(mLock);
auto callbackToRemove = mActiveProcessors.find(streamHandle);
if (callbackToRemove != mActiveProcessors.end()) {
mActiveProcessors.erase(callbackToRemove);
}
}
float SoundDoseManager::getAttenuationForDeviceId(audio_port_handle_t id) const {
float attenuation = 0.f;
const std::lock_guard _l(mLock);
const auto deviceTypeIt = mActiveDeviceTypes.find(id);
if (deviceTypeIt != mActiveDeviceTypes.end()) {
auto attenuationIt = mMelAttenuationDB.find(deviceTypeIt->second);
if (attenuationIt != mMelAttenuationDB.end()) {
attenuation = attenuationIt->second;
}
}
return attenuation;
}
audio_port_handle_t SoundDoseManager::getIdForAudioDevice(const AudioDevice& audioDevice) const {
if (isComputeCsdForcedOnAllDevices()) {
// If CSD is forced on all devices return random port id. Used only in testing.
// This is necessary since the patches that are registered before
// setComputeCsdOnAllDevices will not be contributing to mActiveDevices
return CSD_ON_ALL_DEVICES_PORT_HANDLE;
}
const std::lock_guard _l(mLock);
audio_devices_t type;
std::string address;
auto result = aidl::android::aidl2legacy_AudioDevice_audio_device(
audioDevice, &type, &address);
if (result != NO_ERROR) {
ALOGE("%s: could not convert from AudioDevice to AudioDeviceTypeAddr", __func__);
return AUDIO_PORT_HANDLE_NONE;
}
auto adt = AudioDeviceTypeAddr(type, address);
auto deviceIt = mActiveDevices.find(adt);
if (deviceIt == mActiveDevices.end()) {
ALOGI("%s: could not find port id for device %s", __func__, adt.toString().c_str());
return AUDIO_PORT_HANDLE_NONE;
}
if (audio_is_ble_out_device(type) || audio_is_a2dp_device(type)) {
const auto btDeviceIt = mBluetoothDevicesWithCsd.find(std::make_pair(address, type));
if (btDeviceIt == mBluetoothDevicesWithCsd.end() || !btDeviceIt->second) {
ALOGI("%s: bt device %s does not support sound dose", __func__,
adt.toString().c_str());
return AUDIO_PORT_HANDLE_NONE;
}
}
return deviceIt->second;
}
void SoundDoseManager::mapAddressToDeviceId(const AudioDeviceTypeAddr& adt,
const audio_port_handle_t deviceId) {
const std::lock_guard _l(mLock);
ALOGI("%s: map address: %d to device id: %d", __func__, adt.mType, deviceId);
mActiveDevices[adt] = deviceId;
mActiveDeviceTypes[deviceId] = adt.mType;
}
void SoundDoseManager::clearMapDeviceIdEntries(audio_port_handle_t deviceId) {
const std::lock_guard _l(mLock);
for (auto activeDevice = mActiveDevices.begin(); activeDevice != mActiveDevices.end();) {
if (activeDevice->second == deviceId) {
ALOGI("%s: clear mapping type: %d to deviceId: %d",
__func__, activeDevice->first.mType, deviceId);
activeDevice = mActiveDevices.erase(activeDevice);
continue;
}
++activeDevice;
}
mActiveDeviceTypes.erase(deviceId);
}
ndk::ScopedAStatus SoundDoseManager::HalSoundDoseCallback::onMomentaryExposureWarning(
float in_currentDbA, const AudioDevice& in_audioDevice) {
sp<SoundDoseManager> soundDoseManager;
{
const std::lock_guard _l(mCbLock);
soundDoseManager = mSoundDoseManager.promote();
if (soundDoseManager == nullptr) {
return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_STATE);
}
}
if (!soundDoseManager->useHalSoundDose()) {
ALOGW("%s: HAL sound dose interface deactivated. Ignoring", __func__);
return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_STATE);
}
auto id = soundDoseManager->getIdForAudioDevice(in_audioDevice);
if (id == AUDIO_PORT_HANDLE_NONE) {
ALOGI("%s: no mapped id for audio device with type %d and address %s",
__func__, static_cast<int>(in_audioDevice.type.type),
in_audioDevice.address.toString().c_str());
return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_ARGUMENT);
}
float attenuation = soundDoseManager->getAttenuationForDeviceId(id);
ALOGV("%s: attenuating received momentary exposure with %f dB", __func__, attenuation);
// TODO: remove attenuation when enforcing HAL MELs to always be attenuated
soundDoseManager->onMomentaryExposure(in_currentDbA - attenuation, id);
return ndk::ScopedAStatus::ok();
}
ndk::ScopedAStatus SoundDoseManager::HalSoundDoseCallback::onNewMelValues(
const ISoundDose::IHalSoundDoseCallback::MelRecord& in_melRecord,
const AudioDevice& in_audioDevice) {
sp<SoundDoseManager> soundDoseManager;
{
const std::lock_guard _l(mCbLock);
soundDoseManager = mSoundDoseManager.promote();
if (soundDoseManager == nullptr) {
return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_STATE);
}
}
if (!soundDoseManager->useHalSoundDose()) {
ALOGW("%s: HAL sound dose interface deactivated. Ignoring", __func__);
return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_STATE);
}
auto id = soundDoseManager->getIdForAudioDevice(in_audioDevice);
if (id == AUDIO_PORT_HANDLE_NONE) {
ALOGI("%s: no mapped id for audio device with type %d and address %s",
__func__, static_cast<int>(in_audioDevice.type.type),
in_audioDevice.address.toString().c_str());
return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_ARGUMENT);
}
// TODO: introduce timestamp in onNewMelValues callback
soundDoseManager->onNewMelValues(in_melRecord.melValues, 0, in_melRecord.melValues.size(),
id, /*attenuated=*/false);
return ndk::ScopedAStatus::ok();
}
void SoundDoseManager::SoundDose::binderDied(__unused const wp<IBinder>& who) {
ALOGV("%s", __func__);
auto soundDoseManager = mSoundDoseManager.promote();
if (soundDoseManager != nullptr) {
soundDoseManager->resetSoundDose();
}
}
binder::Status SoundDoseManager::SoundDose::setOutputRs2UpperBound(float value) {
ALOGV("%s", __func__);
auto soundDoseManager = mSoundDoseManager.promote();
if (soundDoseManager != nullptr) {
soundDoseManager->setOutputRs2UpperBound(value);
}
return binder::Status::ok();
}
binder::Status SoundDoseManager::SoundDose::resetCsd(
float currentCsd, const std::vector<media::SoundDoseRecord>& records) {
ALOGV("%s", __func__);
auto soundDoseManager = mSoundDoseManager.promote();
if (soundDoseManager != nullptr) {
soundDoseManager->resetCsd(currentCsd, records);
}
return binder::Status::ok();
}
binder::Status SoundDoseManager::SoundDose::updateAttenuation(float attenuationDB, int device) {
ALOGV("%s", __func__);
auto soundDoseManager = mSoundDoseManager.promote();
if (soundDoseManager != nullptr) {
soundDoseManager->updateAttenuation(attenuationDB, static_cast<audio_devices_t>(device));
}
return binder::Status::ok();
}
binder::Status SoundDoseManager::SoundDose::setCsdEnabled(bool enabled) {
ALOGV("%s", __func__);
auto soundDoseManager = mSoundDoseManager.promote();
if (soundDoseManager != nullptr) {
soundDoseManager->setCsdEnabled(enabled);
}
return binder::Status::ok();
}
binder::Status SoundDoseManager::SoundDose::initCachedAudioDeviceCategories(
const std::vector<media::ISoundDose::AudioDeviceCategory>& btDeviceCategories) {
ALOGV("%s", __func__);
auto soundDoseManager = mSoundDoseManager.promote();
if (soundDoseManager != nullptr) {
soundDoseManager->initCachedAudioDeviceCategories(btDeviceCategories);
}
return binder::Status::ok();
}
binder::Status SoundDoseManager::SoundDose::setAudioDeviceCategory(
const media::ISoundDose::AudioDeviceCategory& btAudioDevice) {
ALOGV("%s", __func__);
auto soundDoseManager = mSoundDoseManager.promote();
if (soundDoseManager != nullptr) {
soundDoseManager->setAudioDeviceCategory(btAudioDevice);
}
return binder::Status::ok();
}
binder::Status SoundDoseManager::SoundDose::getOutputRs2UpperBound(float* value) {
ALOGV("%s", __func__);
auto soundDoseManager = mSoundDoseManager.promote();
if (soundDoseManager != nullptr) {
const std::lock_guard _l(soundDoseManager->mLock);
*value = soundDoseManager->mRs2UpperBound;
}
return binder::Status::ok();
}
binder::Status SoundDoseManager::SoundDose::getCsd(float* value) {
ALOGV("%s", __func__);
auto soundDoseManager = mSoundDoseManager.promote();
if (soundDoseManager != nullptr) {
*value = soundDoseManager->mMelAggregator->getCsd();
}
return binder::Status::ok();
}
binder::Status SoundDoseManager::SoundDose::forceUseFrameworkMel(bool useFrameworkMel) {
ALOGV("%s", __func__);
auto soundDoseManager = mSoundDoseManager.promote();
if (soundDoseManager != nullptr) {
soundDoseManager->setUseFrameworkMel(useFrameworkMel);
}
return binder::Status::ok();
}
binder::Status SoundDoseManager::SoundDose::forceComputeCsdOnAllDevices(
bool computeCsdOnAllDevices) {
ALOGV("%s", __func__);
auto soundDoseManager = mSoundDoseManager.promote();
if (soundDoseManager != nullptr) {
soundDoseManager->setComputeCsdOnAllDevices(computeCsdOnAllDevices);
}
return binder::Status::ok();
}
binder::Status SoundDoseManager::SoundDose::isSoundDoseHalSupported(bool* value) {
ALOGV("%s", __func__);
*value = false;
auto soundDoseManager = mSoundDoseManager.promote();
if (soundDoseManager != nullptr) {
*value = soundDoseManager->isSoundDoseHalSupported();
}
return binder::Status::ok();
}
void SoundDoseManager::updateAttenuation(float attenuationDB, audio_devices_t deviceType) {
const std::lock_guard _l(mLock);
ALOGV("%s: updating MEL processor attenuation for device type %d to %f",
__func__, deviceType, attenuationDB);
mMelAttenuationDB[deviceType] = attenuationDB;
for (const auto& mp : mActiveProcessors) {
auto melProcessor = mp.second.promote();
if (melProcessor != nullptr) {
auto deviceId = melProcessor->getDeviceId();
const auto deviceTypeIt = mActiveDeviceTypes.find(deviceId);
if (deviceTypeIt != mActiveDeviceTypes.end() &&
deviceTypeIt->second == deviceType) {
ALOGV("%s: set attenuation for deviceId %d to %f",
__func__, deviceId, attenuationDB);
melProcessor->setAttenuation(attenuationDB);
}
}
}
}
void SoundDoseManager::setCsdEnabled(bool enabled) {
ALOGV("%s", __func__);
const std::lock_guard _l(mLock);
mEnabledCsd = enabled;
for (auto& activeEntry : mActiveProcessors) {
auto melProcessor = activeEntry.second.promote();
if (melProcessor != nullptr) {
if (enabled) {
melProcessor->resume();
} else {
melProcessor->pause();
}
}
}
}
bool SoundDoseManager::isCsdEnabled() {
const std::lock_guard _l(mLock);
return mEnabledCsd;
}
void SoundDoseManager::initCachedAudioDeviceCategories(
const std::vector<media::ISoundDose::AudioDeviceCategory>& deviceCategories) {
ALOGV("%s", __func__);
{
const std::lock_guard _l(mLock);
mBluetoothDevicesWithCsd.clear();
}
for (const auto& btDeviceCategory : deviceCategories) {
setAudioDeviceCategory(btDeviceCategory);
}
}
void SoundDoseManager::setAudioDeviceCategory(
const media::ISoundDose::AudioDeviceCategory& audioDevice) {
ALOGV("%s: set BT audio device type with address %s to headphone %d", __func__,
audioDevice.address.c_str(), audioDevice.csdCompatible);
std::vector<audio_port_handle_t> devicesToStart;
std::vector<audio_port_handle_t> devicesToStop;
{
const std::lock_guard _l(mLock);
const auto deviceIt = mBluetoothDevicesWithCsd.find(
std::make_pair(audioDevice.address,
static_cast<audio_devices_t>(audioDevice.internalAudioType)));
if (deviceIt != mBluetoothDevicesWithCsd.end()) {
deviceIt->second = audioDevice.csdCompatible;
} else {
mBluetoothDevicesWithCsd.emplace(
std::make_pair(audioDevice.address,
static_cast<audio_devices_t>(audioDevice.internalAudioType)),
audioDevice.csdCompatible);
}
for (const auto &activeDevice: mActiveDevices) {
if (activeDevice.first.address() == audioDevice.address &&
activeDevice.first.mType ==
static_cast<audio_devices_t>(audioDevice.internalAudioType)) {
if (audioDevice.csdCompatible) {
devicesToStart.push_back(activeDevice.second);
} else {
devicesToStop.push_back(activeDevice.second);
}
}
}
}
for (const auto& deviceToStart : devicesToStart) {
mMelReporterCallback->startMelComputationForDeviceId(deviceToStart);
}
for (const auto& deviceToStop : devicesToStop) {
mMelReporterCallback->stopMelComputationForDeviceId(deviceToStop);
}
}
bool SoundDoseManager::shouldComputeCsdForDeviceType(audio_devices_t device) {
if (!isCsdEnabled()) {
ALOGV("%s csd is disabled", __func__);
return false;
}
if (isComputeCsdForcedOnAllDevices()) {
return true;
}
switch (device) {
case AUDIO_DEVICE_OUT_WIRED_HEADSET:
case AUDIO_DEVICE_OUT_WIRED_HEADPHONE:
case AUDIO_DEVICE_OUT_BLUETOOTH_A2DP:
case AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES:
case AUDIO_DEVICE_OUT_USB_HEADSET:
case AUDIO_DEVICE_OUT_BLE_HEADSET:
case AUDIO_DEVICE_OUT_BLE_BROADCAST:
return true;
default:
return false;
}
}
bool SoundDoseManager::shouldComputeCsdForDeviceWithAddress(const audio_devices_t type,
const std::string& deviceAddress) {
if (!isCsdEnabled()) {
ALOGV("%s csd is disabled", __func__);
return false;
}
if (isComputeCsdForcedOnAllDevices()) {
return true;
}
if (!audio_is_ble_out_device(type) && !audio_is_a2dp_device(type)) {
return shouldComputeCsdForDeviceType(type);
}
const std::lock_guard _l(mLock);
const auto deviceIt = mBluetoothDevicesWithCsd.find(std::make_pair(deviceAddress, type));
return deviceIt != mBluetoothDevicesWithCsd.end() && deviceIt->second;
}
void SoundDoseManager::setUseFrameworkMel(bool useFrameworkMel) {
const std::lock_guard _l(mLock);
mUseFrameworkMel = useFrameworkMel;
}
bool SoundDoseManager::isFrameworkMelForced() const {
const std::lock_guard _l(mLock);
return mUseFrameworkMel;
}
void SoundDoseManager::setComputeCsdOnAllDevices(bool computeCsdOnAllDevices) {
bool changed = false;
{
const std::lock_guard _l(mLock);
if (mHalSoundDose.size() != 0) {
// when using the HAL path we cannot enforce to deliver values for all devices
changed = mUseFrameworkMel != computeCsdOnAllDevices;
mUseFrameworkMel = computeCsdOnAllDevices;
}
mComputeCsdOnAllDevices = computeCsdOnAllDevices;
}
if (changed && computeCsdOnAllDevices) {
mMelReporterCallback->applyAllAudioPatches();
}
}
bool SoundDoseManager::isComputeCsdForcedOnAllDevices() const {
const std::lock_guard _l(mLock);
return mComputeCsdOnAllDevices;
}
bool SoundDoseManager::isSoundDoseHalSupported() const {
{
const std::lock_guard _l(mLock);
if (!mEnabledCsd) return false;
}
return useHalSoundDose();
}
bool SoundDoseManager::useHalSoundDose() const {
const std::lock_guard _l(mLock);
return !mUseFrameworkMel && mHalSoundDose.size() > 0;
}
void SoundDoseManager::resetSoundDose() {
const std::lock_guard lock(mLock);
mSoundDose = nullptr;
}
void SoundDoseManager::resetCsd(float currentCsd,
const std::vector<media::SoundDoseRecord>& records) {
const std::lock_guard lock(mLock);
std::vector<audio_utils::CsdRecord> resetRecords;
resetRecords.reserve(records.size());
for (const auto& record : records) {
resetRecords.emplace_back(record.timestamp, record.duration, record.value,
record.averageMel);
}
mMelAggregator->reset(currentCsd, resetRecords);
}
void SoundDoseManager::onNewMelValues(const std::vector<float>& mels, size_t offset, size_t length,
audio_port_handle_t deviceId, bool attenuated) const {
ALOGV("%s", __func__);
sp<media::ISoundDoseCallback> soundDoseCallback;
std::vector<audio_utils::CsdRecord> records;
float currentCsd;
// TODO: delete this case when enforcing HAL MELs to always be attenuated
float attenuation = attenuated ? 0.0f : getAttenuationForDeviceId(deviceId);
{
const std::lock_guard _l(mLock);
if (!mEnabledCsd) {
return;
}
const int64_t timestampSec = getMonotonicSecond();
if (attenuated) {
records = mMelAggregator->aggregateAndAddNewMelRecord(audio_utils::MelRecord(
deviceId,
std::vector<float>(mels.begin() + offset, mels.begin() + offset + length),
timestampSec - length));
} else {
ALOGV("%s: attenuating received values with %f dB", __func__, attenuation);
// Extracting all intervals that contain values >= RS2 low limit (80dBA) after the
// attenuation is applied
size_t start = offset;
size_t stop = offset;
for (; stop < mels.size() && stop < offset + length; ++stop) {
if (mels[stop] - attenuation < kDefaultRs2LowerBound) {
if (start < stop) {
std::vector<float> attMel(stop-start, -attenuation);
// attMel[i] = mels[i] + attenuation, i in [start, stop)
std::transform(mels.begin() + start, mels.begin() + stop, attMel.begin(),
attMel.begin(), std::plus<float>());
std::vector<audio_utils::CsdRecord> newRec =
mMelAggregator->aggregateAndAddNewMelRecord(
audio_utils::MelRecord(deviceId,
attMel,
timestampSec - length + start -
offset));
std::copy(newRec.begin(), newRec.end(), std::back_inserter(records));
}
start = stop+1;
}
}
if (start < stop) {
std::vector<float> attMel(stop-start, -attenuation);
// attMel[i] = mels[i] + attenuation, i in [start, stop)
std::transform(mels.begin() + start, mels.begin() + stop, attMel.begin(),
attMel.begin(), std::plus<float>());
std::vector<audio_utils::CsdRecord> newRec =
mMelAggregator->aggregateAndAddNewMelRecord(
audio_utils::MelRecord(deviceId,
attMel,
timestampSec - length + start -
offset));
std::copy(newRec.begin(), newRec.end(), std::back_inserter(records));
}
}
currentCsd = mMelAggregator->getCsd();
}
soundDoseCallback = getSoundDoseCallback();
if (records.size() > 0 && soundDoseCallback != nullptr) {
std::vector<media::SoundDoseRecord> newRecordsToReport;
newRecordsToReport.resize(records.size());
for (const auto& record : records) {
newRecordsToReport.emplace_back(csdRecordToSoundDoseRecord(record));
}
soundDoseCallback->onNewCsdValue(currentCsd, newRecordsToReport);
}
}
sp<media::ISoundDoseCallback> SoundDoseManager::getSoundDoseCallback() const {
const std::lock_guard _l(mLock);
if (mSoundDose == nullptr) {
return nullptr;
}
return mSoundDose->mSoundDoseCallback;
}
void SoundDoseManager::onMomentaryExposure(float currentMel, audio_port_handle_t deviceId) const {
ALOGV("%s: Momentary exposure for device %d triggered: %f MEL", __func__, deviceId, currentMel);
{
const std::lock_guard _l(mLock);
if (!mEnabledCsd) {
return;
}
if (currentMel < mRs2UpperBound) {
return;
}
}
auto soundDoseCallback = getSoundDoseCallback();
if (soundDoseCallback != nullptr) {
soundDoseCallback->onMomentaryExposure(currentMel, deviceId);
}
}
void SoundDoseManager::resetReferencesForTest() {
mMelReporterCallback.clear();
}
sp<media::ISoundDose> SoundDoseManager::getSoundDoseInterface(
const sp<media::ISoundDoseCallback>& callback) {
ALOGV("%s: Register ISoundDoseCallback", __func__);
const std::lock_guard _l(mLock);
if (mSoundDose == nullptr) {
mSoundDose = sp<SoundDose>::make(this, callback);
}
return mSoundDose;
}
std::string SoundDoseManager::dump() const {
std::string output;
{
const std::lock_guard _l(mLock);
if (!mEnabledCsd) {
base::StringAppendF(&output, "CSD is disabled");
return output;
}
}
mMelAggregator->foreachCsd([&output](audio_utils::CsdRecord csdRecord) {
base::StringAppendF(&output,
"CSD %f with average MEL %f in interval [%" PRId64 ", %" PRId64 "]",
csdRecord.value, csdRecord.averageMel, csdRecord.timestamp,
csdRecord.timestamp + csdRecord.duration);
base::StringAppendF(&output, "\n");
});
base::StringAppendF(&output, "\nCached Mel Records:\n");
mMelAggregator->foreachCachedMel([&output](const audio_utils::MelRecord& melRecord) {
base::StringAppendF(&output, "Continuous MELs for portId=%d, ", melRecord.portId);
base::StringAppendF(&output, "starting at timestamp %" PRId64 ": ", melRecord.timestamp);
for (const auto& mel : melRecord.mels) {
base::StringAppendF(&output, "%.2f ", mel);
}
base::StringAppendF(&output, "\n");
});
return output;
}
size_t SoundDoseManager::getCachedMelRecordsSize() const {
return mMelAggregator->getCachedMelRecordsSize();
}
media::SoundDoseRecord SoundDoseManager::csdRecordToSoundDoseRecord(
const audio_utils::CsdRecord& legacy) {
media::SoundDoseRecord soundDoseRecord{};
soundDoseRecord.timestamp = legacy.timestamp;
soundDoseRecord.duration = legacy.duration;
soundDoseRecord.value = legacy.value;
soundDoseRecord.averageMel = legacy.averageMel;
return soundDoseRecord;
}
} // namespace android