blob: 83030a3809e132de49c143102cbe4b4e4a92644f [file] [log] [blame]
/*
**
** Copyright 2021, 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.
*/
#include <string>
#define LOG_TAG "Spatializer"
//#define LOG_NDEBUG 0
#include <utils/Log.h>
#include <algorithm>
#include <inttypes.h>
#include <limits.h>
#include <stdint.h>
#include <sys/types.h>
#include <android/content/AttributionSourceState.h>
#include <android/sysprop/BluetoothProperties.sysprop.h>
#include <audio_utils/fixedfft.h>
#include <com_android_media_audio.h>
#include <cutils/bitops.h>
#include <hardware/sensors.h>
#include <media/stagefright/foundation/AHandler.h>
#include <media/stagefright/foundation/AMessage.h>
#include <media/MediaMetricsItem.h>
#include <media/QuaternionUtil.h>
#include <media/ShmemCompat.h>
#include <mediautils/SchedulingPolicyService.h>
#include <mediautils/ServiceUtilities.h>
#include <utils/Thread.h>
#include "Spatializer.h"
namespace android {
using aidl_utils::binderStatusFromStatusT;
using aidl_utils::statusTFromBinderStatus;
using android::content::AttributionSourceState;
using binder::Status;
using media::HeadTrackingMode;
using media::Pose3f;
using media::SensorPoseProvider;
using media::audio::common::HeadTracking;
using media::audio::common::Spatialization;
using ::android::internal::ToString;
using namespace std::chrono_literals;
#define VALUE_OR_RETURN_BINDER_STATUS(x) \
({ auto _tmp = (x); \
if (!_tmp.ok()) return aidl_utils::binderStatusFromStatusT(_tmp.error()); \
std::move(_tmp.value()); })
static audio_channel_mask_t getMaxChannelMask(
const std::vector<audio_channel_mask_t>& masks, size_t channelLimit = SIZE_MAX) {
uint32_t maxCount = 0;
audio_channel_mask_t maxMask = AUDIO_CHANNEL_NONE;
for (auto mask : masks) {
const size_t count = audio_channel_count_from_out_mask(mask);
if (count > channelLimit) continue; // ignore masks greater than channelLimit
if (count > maxCount) {
maxMask = mask;
maxCount = count;
}
}
return maxMask;
}
static std::vector<float> recordFromTranslationRotationVector(
const std::vector<float>& trVector) {
auto headToStageOpt = Pose3f::fromVector(trVector);
if (!headToStageOpt) return {};
const auto stageToHead = headToStageOpt.value().inverse();
const auto stageToHeadTranslation = stageToHead.translation();
constexpr float RAD_TO_DEGREE = 180.f / M_PI;
std::vector<float> record{
stageToHeadTranslation[0], stageToHeadTranslation[1], stageToHeadTranslation[2],
0.f, 0.f, 0.f};
media::quaternionToAngles(stageToHead.rotation(), &record[3], &record[4], &record[5]);
record[3] *= RAD_TO_DEGREE;
record[4] *= RAD_TO_DEGREE;
record[5] *= RAD_TO_DEGREE;
return record;
}
template<typename T>
static constexpr const T& safe_clamp(const T& value, const T& low, const T& high) {
if constexpr (std::is_floating_point_v<T>) {
return value != value /* constexpr isnan */
? low : std::clamp(value, low, high);
} else /* constexpr */ {
return std::clamp(value, low, high);
}
}
// ---------------------------------------------------------------------------
class Spatializer::EngineCallbackHandler : public AHandler {
public:
EngineCallbackHandler(wp<Spatializer> spatializer)
: mSpatializer(spatializer) {
}
enum {
// Device state callbacks
kWhatOnFramesProcessed, // AudioEffect::EVENT_FRAMES_PROCESSED
kWhatOnHeadToStagePose, // SpatializerPoseController::Listener::onHeadToStagePose
kWhatOnActualModeChange, // SpatializerPoseController::Listener::onActualModeChange
kWhatOnLatencyModesChanged, // Spatializer::onSupportedLatencyModesChanged
};
static constexpr const char *kNumFramesKey = "numFrames";
static constexpr const char *kModeKey = "mode";
static constexpr const char *kTranslation0Key = "translation0";
static constexpr const char *kTranslation1Key = "translation1";
static constexpr const char *kTranslation2Key = "translation2";
static constexpr const char *kRotation0Key = "rotation0";
static constexpr const char *kRotation1Key = "rotation1";
static constexpr const char *kRotation2Key = "rotation2";
static constexpr const char *kLatencyModesKey = "latencyModes";
class LatencyModes : public RefBase {
public:
LatencyModes(audio_io_handle_t output,
const std::vector<audio_latency_mode_t>& latencyModes)
: mOutput(output), mLatencyModes(latencyModes) {}
~LatencyModes() = default;
audio_io_handle_t mOutput;
std::vector<audio_latency_mode_t> mLatencyModes;
};
void onMessageReceived(const sp<AMessage> &msg) override {
// No ALooper method to get the tid so update
// Spatializer priority on the first message received.
std::call_once(mPrioritySetFlag, [](){
const pid_t pid = getpid();
const pid_t tid = gettid();
(void)requestSpatializerPriority(pid, tid);
});
sp<Spatializer> spatializer = mSpatializer.promote();
if (spatializer == nullptr) {
ALOGW("%s: Cannot promote spatializer", __func__);
return;
}
switch (msg->what()) {
case kWhatOnFramesProcessed: {
int numFrames;
if (!msg->findInt32(kNumFramesKey, &numFrames)) {
ALOGE("%s: Cannot find num frames!", __func__);
return;
}
if (numFrames > 0) {
spatializer->calculateHeadPose();
}
} break;
case kWhatOnHeadToStagePose: {
std::vector<float> headToStage(sHeadPoseKeys.size());
for (size_t i = 0 ; i < sHeadPoseKeys.size(); i++) {
if (!msg->findFloat(sHeadPoseKeys[i], &headToStage[i])) {
ALOGE("%s: Cannot find kTranslation0Key!", __func__);
return;
}
}
spatializer->onHeadToStagePoseMsg(headToStage);
} break;
case kWhatOnActualModeChange: {
int mode;
if (!msg->findInt32(kModeKey, &mode)) {
ALOGE("%s: Cannot find actualMode!", __func__);
return;
}
spatializer->onActualModeChangeMsg(static_cast<HeadTrackingMode>(mode));
} break;
case kWhatOnLatencyModesChanged: {
sp<RefBase> object;
if (!msg->findObject(kLatencyModesKey, &object)) {
ALOGE("%s: Cannot find latency modes!", __func__);
return;
}
sp<LatencyModes> latencyModes = static_cast<LatencyModes*>(object.get());
spatializer->onSupportedLatencyModesChangedMsg(
latencyModes->mOutput, std::move(latencyModes->mLatencyModes));
} break;
default:
LOG_ALWAYS_FATAL("Invalid callback message %d", msg->what());
}
}
private:
wp<Spatializer> mSpatializer;
std::once_flag mPrioritySetFlag;
};
const std::vector<const char *> Spatializer::sHeadPoseKeys = {
Spatializer::EngineCallbackHandler::kTranslation0Key,
Spatializer::EngineCallbackHandler::kTranslation1Key,
Spatializer::EngineCallbackHandler::kTranslation2Key,
Spatializer::EngineCallbackHandler::kRotation0Key,
Spatializer::EngineCallbackHandler::kRotation1Key,
Spatializer::EngineCallbackHandler::kRotation2Key,
};
// Mapping table between strings read form property bluetooth.core.le.dsa_transport_preference
// and low latency modes emums.
//TODO b/273373363: use AIDL enum when available
const std::map<std::string, audio_latency_mode_t> Spatializer::sStringToLatencyModeMap = {
{"le-acl", AUDIO_LATENCY_MODE_LOW},
{"iso-sw", AUDIO_LATENCY_MODE_DYNAMIC_SPATIAL_AUDIO_SOFTWARE},
{"iso-hw", AUDIO_LATENCY_MODE_DYNAMIC_SPATIAL_AUDIO_HARDWARE},
};
void Spatializer::loadOrderedLowLatencyModes() {
if (!com::android::media::audio::dsa_over_bt_le_audio()) {
return;
}
auto latencyModesStrs = android::sysprop::BluetoothProperties::dsa_transport_preference();
std::lock_guard lock(mLock);
// First load preferred low latency modes ordered from the property
for (auto str : latencyModesStrs) {
if (!str.has_value()) continue;
if (auto it = sStringToLatencyModeMap.find(str.value());
it != sStringToLatencyModeMap.end()) {
mOrderedLowLatencyModes.push_back(it->second);
}
}
// Then add unlisted latency modes at the end of the ordered list
for (auto it : sStringToLatencyModeMap) {
if (std::find(mOrderedLowLatencyModes.begin(), mOrderedLowLatencyModes.end(), it.second)
== mOrderedLowLatencyModes.end()) {
mOrderedLowLatencyModes.push_back(it.second);
}
}
}
// ---------------------------------------------------------------------------
sp<Spatializer> Spatializer::create(SpatializerPolicyCallback* callback,
const sp<EffectsFactoryHalInterface>& effectsFactoryHal) {
sp<Spatializer> spatializer;
if (effectsFactoryHal == nullptr) {
ALOGW("%s failed to create effect factory interface", __func__);
return spatializer;
}
std::vector<effect_descriptor_t> descriptors;
status_t status = effectsFactoryHal->getDescriptors(FX_IID_SPATIALIZER, &descriptors);
if (status != NO_ERROR) {
ALOGW("%s failed to get spatializer descriptor, error %d", __func__, status);
return spatializer;
}
ALOG_ASSERT(!descriptors.empty(),
"%s getDescriptors() returned no error but empty list", __func__);
// TODO: get supported spatialization modes from FX engine or descriptor
sp<EffectHalInterface> effect;
status = effectsFactoryHal->createEffect(&descriptors[0].uuid, AUDIO_SESSION_OUTPUT_STAGE,
AUDIO_IO_HANDLE_NONE, AUDIO_PORT_HANDLE_NONE, &effect);
ALOGI("%s FX create status %d effect %p", __func__, status, effect.get());
if (status == NO_ERROR && effect != nullptr) {
spatializer = new Spatializer(descriptors[0], callback);
if (spatializer->loadEngineConfiguration(effect) != NO_ERROR) {
spatializer.clear();
ALOGW("%s loadEngine error: %d effect %p", __func__, status, effect.get());
} else {
spatializer->loadOrderedLowLatencyModes();
spatializer->mLocalLog.log("%s with effect Id %p", __func__, effect.get());
}
}
return spatializer;
}
Spatializer::Spatializer(effect_descriptor_t engineDescriptor, SpatializerPolicyCallback* callback)
: mEngineDescriptor(engineDescriptor),
mPolicyCallback(callback) {
ALOGV("%s", __func__);
setMinSchedulerPolicy(SCHED_NORMAL, ANDROID_PRIORITY_AUDIO);
}
void Spatializer::onFirstRef() {
mLooper = new ALooper;
mLooper->setName("Spatializer-looper");
mLooper->start(
/*runOnCallingThread*/false,
/*canCallJava*/ false,
PRIORITY_URGENT_AUDIO);
mHandler = new EngineCallbackHandler(this);
mLooper->registerHandler(mHandler);
}
Spatializer::~Spatializer() {
ALOGV("%s", __func__);
if (mLooper != nullptr) {
mLooper->stop();
mLooper->unregisterHandler(mHandler->id());
}
mLooper.clear();
mHandler.clear();
}
static std::string channelMaskVectorToString(
const std::vector<audio_channel_mask_t>& masks) {
std::stringstream ss;
for (const auto &mask : masks) {
if (ss.tellp() != 0) ss << "|";
ss << mask;
}
return ss.str();
}
status_t Spatializer::loadEngineConfiguration(sp<EffectHalInterface> effect) {
ALOGV("%s", __func__);
std::vector<bool> supportsHeadTracking;
status_t status = getHalParameter<false>(effect, SPATIALIZER_PARAM_HEADTRACKING_SUPPORTED,
&supportsHeadTracking);
if (status != NO_ERROR) {
ALOGW("%s: cannot get SPATIALIZER_PARAM_HEADTRACKING_SUPPORTED", __func__);
return status;
}
mSupportsHeadTracking = supportsHeadTracking[0];
std::vector<Spatialization::Level> spatializationLevels;
status = getHalParameter<true>(effect, SPATIALIZER_PARAM_SUPPORTED_LEVELS,
&spatializationLevels);
if (status != NO_ERROR) {
ALOGW("%s: cannot get SPATIALIZER_PARAM_SUPPORTED_LEVELS", __func__);
return status;
}
bool noneLevelFound = false;
bool activeLevelFound = false;
for (const auto spatializationLevel : spatializationLevels) {
if (!aidl_utils::isValidEnum(spatializationLevel)) {
ALOGW("%s: ignoring spatializationLevel:%d", __func__, (int)spatializationLevel);
continue;
}
if (spatializationLevel == Spatialization::Level::NONE) {
noneLevelFound = true;
} else {
activeLevelFound = true;
}
// we don't detect duplicates.
mLevels.emplace_back(spatializationLevel);
}
if (!noneLevelFound || !activeLevelFound) {
ALOGW("%s: SPATIALIZER_PARAM_SUPPORTED_LEVELS must include NONE"
" and another valid level", __func__);
return BAD_VALUE;
}
std::vector<Spatialization::Mode> spatializationModes;
status = getHalParameter<true>(effect, SPATIALIZER_PARAM_SUPPORTED_SPATIALIZATION_MODES,
&spatializationModes);
if (status != NO_ERROR) {
ALOGW("%s: cannot get SPATIALIZER_PARAM_SUPPORTED_SPATIALIZATION_MODES", __func__);
return status;
}
for (const auto spatializationMode : spatializationModes) {
if (!aidl_utils::isValidEnum(spatializationMode)) {
ALOGW("%s: ignoring spatializationMode:%d", __func__, (int)spatializationMode);
continue;
}
// we don't detect duplicates.
mSpatializationModes.emplace_back(spatializationMode);
}
if (mSpatializationModes.empty()) {
ALOGW("%s: SPATIALIZER_PARAM_SUPPORTED_SPATIALIZATION_MODES reports empty", __func__);
return BAD_VALUE;
}
std::vector<audio_channel_mask_t> channelMasks;
status = getHalParameter<true>(effect, SPATIALIZER_PARAM_SUPPORTED_CHANNEL_MASKS,
&channelMasks);
if (status != NO_ERROR) {
ALOGW("%s: cannot get SPATIALIZER_PARAM_SUPPORTED_CHANNEL_MASKS", __func__);
return status;
}
for (const auto channelMask : channelMasks) {
if (!audio_is_channel_mask_spatialized(channelMask)) {
ALOGW("%s: ignoring channelMask:%#x", __func__, channelMask);
continue;
}
// we don't detect duplicates.
mChannelMasks.emplace_back(channelMask);
}
if (mChannelMasks.empty()) {
ALOGW("%s: SPATIALIZER_PARAM_SUPPORTED_CHANNEL_MASKS reports empty", __func__);
return BAD_VALUE;
}
//TODO b/273373363: use AIDL enum when available
if (com::android::media::audio::dsa_over_bt_le_audio()
&& mSupportsHeadTracking) {
mHeadtrackingConnectionMode = HEADTRACKING_CONNECTION_FRAMEWORK_PROCESSED;
std::vector<uint8_t> headtrackingConnectionModes;
status = getHalParameter<true>(effect, SPATIALIZER_PARAM_SUPPORTED_HEADTRACKING_CONNECTION,
&headtrackingConnectionModes);
if (status == NO_ERROR) {
for (const auto htConnectionMode : headtrackingConnectionModes) {
if (htConnectionMode < HEADTRACKING_CONNECTION_FRAMEWORK_PROCESSED ||
htConnectionMode > HEADTRACKING_CONNECTION_DIRECT_TO_SENSOR_TUNNEL) {
ALOGW("%s: ignoring HT connection mode:%d", __func__, (int)htConnectionMode);
continue;
}
mSupportedHeadtrackingConnectionModes.insert(
static_cast<headtracking_connection_t> (htConnectionMode));
}
ALOGW_IF(mSupportedHeadtrackingConnectionModes.find(
HEADTRACKING_CONNECTION_FRAMEWORK_PROCESSED)
== mSupportedHeadtrackingConnectionModes.end(),
"%s: HEADTRACKING_CONNECTION_FRAMEWORK_PROCESSED not reported", __func__);
}
}
// Currently we expose only RELATIVE_WORLD.
// This is a limitation of the head tracking library based on a UX choice.
mHeadTrackingModes.push_back(HeadTracking::Mode::DISABLED);
if (mSupportsHeadTracking) {
mHeadTrackingModes.push_back(HeadTracking::Mode::RELATIVE_WORLD);
}
mediametrics::LogItem(mMetricsId)
.set(AMEDIAMETRICS_PROP_EVENT, AMEDIAMETRICS_PROP_EVENT_VALUE_CREATE)
.set(AMEDIAMETRICS_PROP_CHANNELMASKS, channelMaskVectorToString(mChannelMasks))
.set(AMEDIAMETRICS_PROP_LEVELS, aidl_utils::enumsToString(mLevels))
.set(AMEDIAMETRICS_PROP_MODES, aidl_utils::enumsToString(mSpatializationModes))
.set(AMEDIAMETRICS_PROP_HEADTRACKINGMODES, aidl_utils::enumsToString(mHeadTrackingModes))
.set(AMEDIAMETRICS_PROP_STATUS, (int32_t)status)
.record();
return NO_ERROR;
}
/* static */
void Spatializer::sendEmptyCreateSpatializerMetricWithStatus(status_t status) {
mediametrics::LogItem(kDefaultMetricsId)
.set(AMEDIAMETRICS_PROP_EVENT, AMEDIAMETRICS_PROP_EVENT_VALUE_CREATE)
.set(AMEDIAMETRICS_PROP_CHANNELMASKS, "")
.set(AMEDIAMETRICS_PROP_LEVELS, "")
.set(AMEDIAMETRICS_PROP_MODES, "")
.set(AMEDIAMETRICS_PROP_HEADTRACKINGMODES, "")
.set(AMEDIAMETRICS_PROP_STATUS, (int32_t)status)
.record();
}
/** Gets the channel mask, sampling rate and format set for the spatializer input. */
audio_config_base_t Spatializer::getAudioInConfig() const {
std::lock_guard lock(mLock);
audio_config_base_t config = AUDIO_CONFIG_BASE_INITIALIZER;
// For now use highest supported channel count
config.channel_mask = getMaxChannelMask(mChannelMasks, FCC_LIMIT);
return config;
}
status_t Spatializer::registerCallback(
const sp<media::INativeSpatializerCallback>& callback) {
std::lock_guard lock(mLock);
if (callback == nullptr) {
return BAD_VALUE;
}
if (mSpatializerCallback != nullptr) {
if (IInterface::asBinder(callback) == IInterface::asBinder(mSpatializerCallback)) {
ALOGW("%s: Registering callback %p again",
__func__, mSpatializerCallback.get());
return NO_ERROR;
}
ALOGE("%s: Already one client registered with callback %p",
__func__, mSpatializerCallback.get());
return INVALID_OPERATION;
}
sp<IBinder> binder = IInterface::asBinder(callback);
status_t status = binder->linkToDeath(this);
if (status == NO_ERROR) {
mSpatializerCallback = callback;
}
ALOGV("%s status %d", __func__, status);
return status;
}
// IBinder::DeathRecipient
void Spatializer::binderDied(__unused const wp<IBinder> &who) {
{
std::lock_guard lock(mLock);
mLevel = Spatialization::Level::NONE;
mSpatializerCallback.clear();
}
ALOGV("%s", __func__);
mPolicyCallback->onCheckSpatializer();
}
// ISpatializer
Status Spatializer::getSupportedLevels(std::vector<Spatialization::Level> *levels) {
ALOGV("%s", __func__);
if (levels == nullptr) {
return binderStatusFromStatusT(BAD_VALUE);
}
// Spatialization::Level::NONE is already required from the effect or we don't load it.
levels->insert(levels->end(), mLevels.begin(), mLevels.end());
return Status::ok();
}
Status Spatializer::setLevel(Spatialization::Level level) {
ALOGV("%s level %s", __func__, ToString(level).c_str());
mLocalLog.log("%s with %s", __func__, ToString(level).c_str());
if (level != Spatialization::Level::NONE
&& std::find(mLevels.begin(), mLevels.end(), level) == mLevels.end()) {
return binderStatusFromStatusT(BAD_VALUE);
}
sp<media::INativeSpatializerCallback> callback;
bool levelChanged = false;
{
std::lock_guard lock(mLock);
levelChanged = mLevel != level;
mLevel = level;
callback = mSpatializerCallback;
if (levelChanged && mEngine != nullptr) {
checkEngineState_l();
}
checkSensorsState_l();
}
if (levelChanged) {
mPolicyCallback->onCheckSpatializer();
if (callback != nullptr) {
callback->onLevelChanged(level);
}
}
return Status::ok();
}
Status Spatializer::getLevel(Spatialization::Level *level) {
if (level == nullptr) {
return binderStatusFromStatusT(BAD_VALUE);
}
std::lock_guard lock(mLock);
*level = mLevel;
ALOGV("%s level %d", __func__, (int)*level);
return Status::ok();
}
Status Spatializer::isHeadTrackingSupported(bool *supports) {
ALOGV("%s mSupportsHeadTracking %d", __func__, mSupportsHeadTracking);
if (supports == nullptr) {
return binderStatusFromStatusT(BAD_VALUE);
}
std::lock_guard lock(mLock);
*supports = mSupportsHeadTracking;
return Status::ok();
}
Status Spatializer::getSupportedHeadTrackingModes(
std::vector<HeadTracking::Mode>* modes) {
std::lock_guard lock(mLock);
ALOGV("%s", __func__);
if (modes == nullptr) {
return binderStatusFromStatusT(BAD_VALUE);
}
modes->insert(modes->end(), mHeadTrackingModes.begin(), mHeadTrackingModes.end());
return Status::ok();
}
Status Spatializer::setDesiredHeadTrackingMode(HeadTracking::Mode mode) {
ALOGV("%s mode %s", __func__, ToString(mode).c_str());
if (!mSupportsHeadTracking) {
return binderStatusFromStatusT(INVALID_OPERATION);
}
mLocalLog.log("%s with %s", __func__, ToString(mode).c_str());
std::lock_guard lock(mLock);
switch (mode) {
case HeadTracking::Mode::OTHER:
return binderStatusFromStatusT(BAD_VALUE);
case HeadTracking::Mode::DISABLED:
mDesiredHeadTrackingMode = HeadTrackingMode::STATIC;
break;
case HeadTracking::Mode::RELATIVE_WORLD:
mDesiredHeadTrackingMode = HeadTrackingMode::WORLD_RELATIVE;
break;
case HeadTracking::Mode::RELATIVE_SCREEN:
mDesiredHeadTrackingMode = HeadTrackingMode::SCREEN_RELATIVE;
break;
}
checkPoseController_l();
checkSensorsState_l();
return Status::ok();
}
Status Spatializer::getActualHeadTrackingMode(HeadTracking::Mode *mode) {
if (mode == nullptr) {
return binderStatusFromStatusT(BAD_VALUE);
}
std::lock_guard lock(mLock);
*mode = mActualHeadTrackingMode;
ALOGV("%s mode %d", __func__, (int)*mode);
return Status::ok();
}
Status Spatializer::recenterHeadTracker() {
if (!mSupportsHeadTracking) {
return binderStatusFromStatusT(INVALID_OPERATION);
}
std::lock_guard lock(mLock);
if (mPoseController != nullptr) {
mPoseController->recenter();
}
return Status::ok();
}
Status Spatializer::setGlobalTransform(const std::vector<float>& screenToStage) {
ALOGV("%s", __func__);
if (!mSupportsHeadTracking) {
return binderStatusFromStatusT(INVALID_OPERATION);
}
std::optional<Pose3f> maybePose = Pose3f::fromVector(screenToStage);
if (!maybePose.has_value()) {
ALOGW("Invalid screenToStage vector.");
return binderStatusFromStatusT(BAD_VALUE);
}
std::lock_guard lock(mLock);
if (mPoseController != nullptr) {
mLocalLog.log("%s with screenToStage %s", __func__,
media::VectorRecorder::toString<float>(screenToStage).c_str());
mPoseController->setScreenToStagePose(maybePose.value());
}
return Status::ok();
}
Status Spatializer::release() {
ALOGV("%s", __func__);
bool levelChanged = false;
{
std::lock_guard lock(mLock);
if (mSpatializerCallback == nullptr) {
return binderStatusFromStatusT(INVALID_OPERATION);
}
sp<IBinder> binder = IInterface::asBinder(mSpatializerCallback);
binder->unlinkToDeath(this);
mSpatializerCallback.clear();
levelChanged = mLevel != Spatialization::Level::NONE;
mLevel = Spatialization::Level::NONE;
}
if (levelChanged) {
mPolicyCallback->onCheckSpatializer();
}
return Status::ok();
}
Status Spatializer::setHeadSensor(int sensorHandle) {
ALOGV("%s sensorHandle %d", __func__, sensorHandle);
if (!mSupportsHeadTracking) {
return binderStatusFromStatusT(INVALID_OPERATION);
}
std::lock_guard lock(mLock);
if (mHeadSensor != sensorHandle) {
mLocalLog.log("%s with 0x%08x", __func__, sensorHandle);
mHeadSensor = sensorHandle;
checkPoseController_l();
checkSensorsState_l();
}
return Status::ok();
}
Status Spatializer::setScreenSensor(int sensorHandle) {
ALOGV("%s sensorHandle %d", __func__, sensorHandle);
if (!mSupportsHeadTracking) {
return binderStatusFromStatusT(INVALID_OPERATION);
}
std::lock_guard lock(mLock);
if (mScreenSensor != sensorHandle) {
mLocalLog.log("%s with 0x%08x", __func__, sensorHandle);
mScreenSensor = sensorHandle;
// TODO: consider a new method setHeadAndScreenSensor()
// because we generally set both at the same time.
// This will avoid duplicated work and recentering.
checkSensorsState_l();
}
return Status::ok();
}
Status Spatializer::setDisplayOrientation(float physicalToLogicalAngle) {
ALOGV("%s physicalToLogicalAngle %f", __func__, physicalToLogicalAngle);
mLocalLog.log("%s with %f", __func__, physicalToLogicalAngle);
const float angle = safe_clamp(physicalToLogicalAngle, 0.f, (float)(2. * M_PI));
// It is possible due to numerical inaccuracies to exceed the boundaries of 0 to 2 * M_PI.
ALOGI_IF(angle != physicalToLogicalAngle,
"%s: clamping %f to %f", __func__, physicalToLogicalAngle, angle);
std::lock_guard lock(mLock);
mDisplayOrientation = angle;
if (mPoseController != nullptr) {
// This turns on the rate-limiter.
mPoseController->setDisplayOrientation(angle);
}
if (mEngine != nullptr) {
setEffectParameter_l(
SPATIALIZER_PARAM_DISPLAY_ORIENTATION, std::vector<float>{angle});
}
return Status::ok();
}
Status Spatializer::setHingeAngle(float hingeAngle) {
ALOGV("%s hingeAngle %f", __func__, hingeAngle);
mLocalLog.log("%s with %f", __func__, hingeAngle);
const float angle = safe_clamp(hingeAngle, 0.f, (float)(2. * M_PI));
// It is possible due to numerical inaccuracies to exceed the boundaries of 0 to 2 * M_PI.
ALOGI_IF(angle != hingeAngle,
"%s: clamping %f to %f", __func__, hingeAngle, angle);
std::lock_guard lock(mLock);
mHingeAngle = angle;
if (mEngine != nullptr) {
setEffectParameter_l(SPATIALIZER_PARAM_HINGE_ANGLE, std::vector<float>{angle});
}
return Status::ok();
}
Status Spatializer::setFoldState(bool folded) {
ALOGV("%s foldState %d", __func__, (int)folded);
mLocalLog.log("%s with %d", __func__, (int)folded);
std::lock_guard lock(mLock);
mFoldedState = folded;
if (mEngine != nullptr) {
// we don't suppress multiple calls with the same folded state - that's
// done at the caller.
setEffectParameter_l(SPATIALIZER_PARAM_FOLD_STATE, std::vector<uint8_t>{mFoldedState});
}
return Status::ok();
}
Status Spatializer::getSupportedModes(std::vector<Spatialization::Mode> *modes) {
ALOGV("%s", __func__);
if (modes == nullptr) {
return binderStatusFromStatusT(BAD_VALUE);
}
*modes = mSpatializationModes;
return Status::ok();
}
Status Spatializer::registerHeadTrackingCallback(
const sp<media::ISpatializerHeadTrackingCallback>& callback) {
ALOGV("%s callback %p", __func__, callback.get());
std::lock_guard lock(mLock);
if (!mSupportsHeadTracking) {
return binderStatusFromStatusT(INVALID_OPERATION);
}
mHeadTrackingCallback = callback;
return Status::ok();
}
Status Spatializer::setParameter(int key, const std::vector<unsigned char>& value) {
ALOGV("%s key %d", __func__, key);
std::lock_guard lock(mLock);
status_t status = INVALID_OPERATION;
if (mEngine != nullptr) {
status = setEffectParameter_l(key, value);
}
return binderStatusFromStatusT(status);
}
Status Spatializer::getParameter(int key, std::vector<unsigned char> *value) {
ALOGV("%s key %d value size %d", __func__, key,
(value != nullptr ? (int)value->size() : -1));
if (value == nullptr) {
return binderStatusFromStatusT(BAD_VALUE);
}
std::lock_guard lock(mLock);
status_t status = INVALID_OPERATION;
if (mEngine != nullptr) {
ALOGV("%s key %d mEngine %p", __func__, key, mEngine.get());
status = getEffectParameter_l(key, value);
}
return binderStatusFromStatusT(status);
}
Status Spatializer::getOutput(int *output) {
ALOGV("%s", __func__);
if (output == nullptr) {
binderStatusFromStatusT(BAD_VALUE);
}
std::lock_guard lock(mLock);
*output = VALUE_OR_RETURN_BINDER_STATUS(legacy2aidl_audio_io_handle_t_int32_t(mOutput));
ALOGV("%s got output %d", __func__, *output);
return Status::ok();
}
// SpatializerPoseController::Listener
void Spatializer::onHeadToStagePose(const Pose3f& headToStage) {
ALOGV("%s", __func__);
LOG_ALWAYS_FATAL_IF(!mSupportsHeadTracking,
"onHeadToStagePose() called with no head tracking support!");
auto vec = headToStage.toVector();
LOG_ALWAYS_FATAL_IF(vec.size() != sHeadPoseKeys.size(),
"%s invalid head to stage vector size %zu", __func__, vec.size());
sp<AMessage> msg =
new AMessage(EngineCallbackHandler::kWhatOnHeadToStagePose, mHandler);
for (size_t i = 0 ; i < sHeadPoseKeys.size(); i++) {
msg->setFloat(sHeadPoseKeys[i], vec[i]);
}
msg->post();
}
void Spatializer::resetEngineHeadPose_l() {
ALOGV("%s mEngine %p", __func__, mEngine.get());
if (mEngine == nullptr) {
return;
}
const std::vector<float> headToStage(6, 0.0);
setEffectParameter_l(SPATIALIZER_PARAM_HEAD_TO_STAGE, headToStage);
setEffectParameter_l(SPATIALIZER_PARAM_HEADTRACKING_MODE,
std::vector<HeadTracking::Mode>{HeadTracking::Mode::DISABLED});
}
void Spatializer::onHeadToStagePoseMsg(const std::vector<float>& headToStage) {
ALOGV("%s", __func__);
sp<media::ISpatializerHeadTrackingCallback> callback;
{
std::lock_guard lock(mLock);
callback = mHeadTrackingCallback;
if (mEngine != nullptr) {
setEffectParameter_l(SPATIALIZER_PARAM_HEAD_TO_STAGE, headToStage);
const auto record = recordFromTranslationRotationVector(headToStage);
mPoseRecorder.record(record);
mPoseDurableRecorder.record(record);
}
}
if (callback != nullptr) {
callback->onHeadToSoundStagePoseUpdated(headToStage);
}
}
void Spatializer::onActualModeChange(HeadTrackingMode mode) {
std::string modeStr = media::toString(mode);
ALOGV("%s(%s)", __func__, modeStr.c_str());
sp<AMessage> msg = new AMessage(EngineCallbackHandler::kWhatOnActualModeChange, mHandler);
msg->setInt32(EngineCallbackHandler::kModeKey, static_cast<int>(mode));
msg->post();
}
void Spatializer::onActualModeChangeMsg(HeadTrackingMode mode) {
ALOGV("%s(%d)", __func__, (int) mode);
sp<media::ISpatializerHeadTrackingCallback> callback;
HeadTracking::Mode spatializerMode;
{
std::lock_guard lock(mLock);
if (!mSupportsHeadTracking) {
spatializerMode = HeadTracking::Mode::DISABLED;
} else {
switch (mode) {
case HeadTrackingMode::STATIC:
spatializerMode = HeadTracking::Mode::DISABLED;
break;
case HeadTrackingMode::WORLD_RELATIVE:
spatializerMode = HeadTracking::Mode::RELATIVE_WORLD;
break;
case HeadTrackingMode::SCREEN_RELATIVE:
spatializerMode = HeadTracking::Mode::RELATIVE_SCREEN;
break;
default:
LOG_ALWAYS_FATAL("Unknown mode: %d", static_cast<int>(mode));
}
}
mActualHeadTrackingMode = spatializerMode;
if (mEngine != nullptr) {
if (spatializerMode == HeadTracking::Mode::DISABLED) {
resetEngineHeadPose_l();
} else {
setEffectParameter_l(SPATIALIZER_PARAM_HEADTRACKING_MODE,
std::vector<HeadTracking::Mode>{spatializerMode});
setEngineHeadtrackingConnectionMode_l();
}
}
callback = mHeadTrackingCallback;
mLocalLog.log("%s: updating mode to %s", __func__, media::toString(mode).c_str());
}
if (callback != nullptr) {
callback->onHeadTrackingModeChanged(spatializerMode);
}
}
void Spatializer::setEngineHeadtrackingConnectionMode_l() {
if (!com::android::media::audio::dsa_over_bt_le_audio()) {
return;
}
if (mActualHeadTrackingMode != HeadTracking::Mode::DISABLED
&& !mSupportedHeadtrackingConnectionModes.empty()) {
setEffectParameter_l(SPATIALIZER_PARAM_HEADTRACKING_CONNECTION,
static_cast<uint8_t>(mHeadtrackingConnectionMode),
static_cast<uint32_t>(mHeadSensor));
}
}
void Spatializer::sortSupportedLatencyModes_l() {
if (!com::android::media::audio::dsa_over_bt_le_audio()) {
return;
}
std::sort(mSupportedLatencyModes.begin(), mSupportedLatencyModes.end(),
[this](audio_latency_mode_t x, audio_latency_mode_t y) {
auto itX = std::find(mOrderedLowLatencyModes.begin(),
mOrderedLowLatencyModes.end(), x);
auto itY = std::find(mOrderedLowLatencyModes.begin(),
mOrderedLowLatencyModes.end(), y);
return itX < itY;
});
}
status_t Spatializer::attachOutput(audio_io_handle_t output, size_t numActiveTracks) {
bool outputChanged = false;
sp<media::INativeSpatializerCallback> callback;
{
std::lock_guard lock(mLock);
ALOGV("%s output %d mOutput %d", __func__, (int)output, (int)mOutput);
mLocalLog.log("%s with output %d tracks %zu (mOutput %d)", __func__, (int)output,
numActiveTracks, (int)mOutput);
if (mOutput != AUDIO_IO_HANDLE_NONE) {
LOG_ALWAYS_FATAL_IF(mEngine == nullptr, "%s output set without FX engine", __func__);
// remove FX instance
mEngine->setEnabled(false);
mEngine.clear();
mPoseController.reset();
AudioSystem::removeSupportedLatencyModesCallback(this);
}
// create FX instance on output
AttributionSourceState attributionSource = AttributionSourceState();
mEngine = new AudioEffect(attributionSource);
mEngine->set(nullptr /* type */, &mEngineDescriptor.uuid, 0 /* priority */,
wp<AudioEffect::IAudioEffectCallback>::fromExisting(this),
AUDIO_SESSION_OUTPUT_STAGE, output, {} /* device */, false /* probe */,
true /* notifyFramesProcessed */);
status_t status = mEngine->initCheck();
ALOGV("%s mEngine create status %d", __func__, (int)status);
if (status != NO_ERROR) {
return status;
}
outputChanged = mOutput != output;
mOutput = output;
mNumActiveTracks = numActiveTracks;
AudioSystem::addSupportedLatencyModesCallback(this);
std::vector<audio_latency_mode_t> latencyModes;
status = AudioSystem::getSupportedLatencyModes(mOutput, &latencyModes);
if (status == OK) {
mSupportedLatencyModes = latencyModes;
sortSupportedLatencyModes_l();
}
checkEngineState_l();
if (mSupportsHeadTracking) {
checkPoseController_l();
checkSensorsState_l();
}
callback = mSpatializerCallback;
// Restore common effect state.
setEffectParameter_l(SPATIALIZER_PARAM_DISPLAY_ORIENTATION,
std::vector<float>{mDisplayOrientation});
setEffectParameter_l(SPATIALIZER_PARAM_FOLD_STATE,
std::vector<uint8_t>{mFoldedState});
setEffectParameter_l(SPATIALIZER_PARAM_HINGE_ANGLE,
std::vector<float>{mHingeAngle});
}
if (outputChanged && callback != nullptr) {
callback->onOutputChanged(output);
}
return NO_ERROR;
}
audio_io_handle_t Spatializer::detachOutput() {
audio_io_handle_t output = AUDIO_IO_HANDLE_NONE;
sp<media::INativeSpatializerCallback> callback;
{
std::lock_guard lock(mLock);
mLocalLog.log("%s with output %d tracks %zu", __func__, (int)mOutput, mNumActiveTracks);
ALOGV("%s mOutput %d", __func__, (int)mOutput);
if (mOutput == AUDIO_IO_HANDLE_NONE) {
return output;
}
// remove FX instance
mEngine->setEnabled(false);
mEngine.clear();
AudioSystem::removeSupportedLatencyModesCallback(this);
output = mOutput;
mOutput = AUDIO_IO_HANDLE_NONE;
mPoseController.reset();
callback = mSpatializerCallback;
}
if (callback != nullptr) {
callback->onOutputChanged(AUDIO_IO_HANDLE_NONE);
}
return output;
}
void Spatializer::onSupportedLatencyModesChanged(
audio_io_handle_t output, const std::vector<audio_latency_mode_t>& modes) {
ALOGV("%s output %d num modes %zu", __func__, (int)output, modes.size());
sp<AMessage> msg =
new AMessage(EngineCallbackHandler::kWhatOnLatencyModesChanged, mHandler);
msg->setObject(EngineCallbackHandler::kLatencyModesKey,
sp<EngineCallbackHandler::LatencyModes>::make(output, modes));
msg->post();
}
void Spatializer::onSupportedLatencyModesChangedMsg(
audio_io_handle_t output, std::vector<audio_latency_mode_t>&& modes) {
std::lock_guard lock(mLock);
ALOGV("%s output %d mOutput %d num modes %zu",
__func__, (int)output, (int)mOutput, modes.size());
if (output == mOutput) {
mSupportedLatencyModes = std::move(modes);
sortSupportedLatencyModes_l();
checkSensorsState_l();
}
}
void Spatializer::updateActiveTracks(size_t numActiveTracks) {
std::lock_guard lock(mLock);
if (mNumActiveTracks != numActiveTracks) {
mLocalLog.log("%s from %zu to %zu", __func__, mNumActiveTracks, numActiveTracks);
mNumActiveTracks = numActiveTracks;
checkEngineState_l();
checkSensorsState_l();
}
}
//TODO b/273373363: use AIDL enum when available
audio_latency_mode_t Spatializer::selectHeadtrackingConnectionMode_l() {
if (!com::android::media::audio::dsa_over_bt_le_audio()) {
return AUDIO_LATENCY_MODE_LOW;
}
// mSupportedLatencyModes is ordered according to system preferences loaded in
// mOrderedLowLatencyModes
mHeadtrackingConnectionMode = HEADTRACKING_CONNECTION_FRAMEWORK_PROCESSED;
audio_latency_mode_t requestedLatencyMode = mSupportedLatencyModes[0];
if (requestedLatencyMode == AUDIO_LATENCY_MODE_DYNAMIC_SPATIAL_AUDIO_HARDWARE) {
if (mSupportedHeadtrackingConnectionModes.find(
HEADTRACKING_CONNECTION_DIRECT_TO_SENSOR_TUNNEL)
!= mSupportedHeadtrackingConnectionModes.end()) {
mHeadtrackingConnectionMode = HEADTRACKING_CONNECTION_DIRECT_TO_SENSOR_TUNNEL;
} else if (mSupportedHeadtrackingConnectionModes.find(
HEADTRACKING_CONNECTION_DIRECT_TO_SENSOR_SW)
!= mSupportedHeadtrackingConnectionModes.end()) {
mHeadtrackingConnectionMode = HEADTRACKING_CONNECTION_DIRECT_TO_SENSOR_SW;
} else {
// if the engine does not support direct reading of IMU data, do not allow
// DYNAMIC_SPATIAL_AUDIO_HARDWARE mode and fallback to next mode
if (mSupportedLatencyModes.size() > 1) {
requestedLatencyMode = mSupportedLatencyModes[1];
} else {
// If only DYNAMIC_SPATIAL_AUDIO_HARDWARE mode is reported by the
// HAL and the engine does not support it, assert as this is a
// product configuration error
LOG_ALWAYS_FATAL("%s: the audio HAL reported only low latency with"
"HW HID tunneling but the spatializer does not support it",
__func__);
}
}
}
return requestedLatencyMode;
}
void Spatializer::checkSensorsState_l() {
audio_latency_mode_t requestedLatencyMode = AUDIO_LATENCY_MODE_FREE;
const bool supportsSetLatencyMode = !mSupportedLatencyModes.empty();
bool supportsLowLatencyMode;
if (com::android::media::audio::dsa_over_bt_le_audio()) {
// mSupportedLatencyModes is ordered with MODE_FREE always at the end:
// the first entry is never MODE_FREE if at least one low ltency mode is supported.
supportsLowLatencyMode = supportsSetLatencyMode
&& mSupportedLatencyModes[0] != AUDIO_LATENCY_MODE_FREE;
} else {
supportsLowLatencyMode = supportsSetLatencyMode && std::find(
mSupportedLatencyModes.begin(), mSupportedLatencyModes.end(),
AUDIO_LATENCY_MODE_LOW) != mSupportedLatencyModes.end();
}
if (mSupportsHeadTracking) {
if (mPoseController != nullptr) {
// TODO(b/253297301, b/255433067) reenable low latency condition check
// for Head Tracking after Bluetooth HAL supports it correctly.
if (mNumActiveTracks > 0 && mLevel != Spatialization::Level::NONE
&& mDesiredHeadTrackingMode != HeadTrackingMode::STATIC
&& mHeadSensor != SpatializerPoseController::INVALID_SENSOR) {
if (supportsLowLatencyMode) {
requestedLatencyMode = selectHeadtrackingConnectionMode_l();
}
if (mEngine != nullptr) {
setEffectParameter_l(SPATIALIZER_PARAM_HEADTRACKING_MODE,
std::vector<HeadTracking::Mode>{mActualHeadTrackingMode});
setEngineHeadtrackingConnectionMode_l();
}
// TODO: b/307588546: configure mPoseController according to selected
// mHeadtrackingConnectionMode
mPoseController->setHeadSensor(mHeadSensor);
mPoseController->setScreenSensor(mScreenSensor);
} else {
mPoseController->setHeadSensor(SpatializerPoseController::INVALID_SENSOR);
mPoseController->setScreenSensor(SpatializerPoseController::INVALID_SENSOR);
resetEngineHeadPose_l();
}
} else {
resetEngineHeadPose_l();
}
}
if (mOutput != AUDIO_IO_HANDLE_NONE && supportsSetLatencyMode) {
const status_t status =
AudioSystem::setRequestedLatencyMode(mOutput, requestedLatencyMode);
ALOGD("%s: setRequestedLatencyMode for output thread(%d) to %s returned %d", __func__,
mOutput, toString(requestedLatencyMode).c_str(), status);
}
}
void Spatializer::checkEngineState_l() {
if (mEngine != nullptr) {
if (mLevel != Spatialization::Level::NONE && mNumActiveTracks > 0) {
mEngine->setEnabled(true);
setEffectParameter_l(SPATIALIZER_PARAM_LEVEL,
std::vector<Spatialization::Level>{mLevel});
} else {
setEffectParameter_l(SPATIALIZER_PARAM_LEVEL,
std::vector<Spatialization::Level>{Spatialization::Level::NONE});
mEngine->setEnabled(false);
}
}
}
void Spatializer::checkPoseController_l() {
bool isControllerNeeded = mDesiredHeadTrackingMode != HeadTrackingMode::STATIC
&& mHeadSensor != SpatializerPoseController::INVALID_SENSOR;
if (isControllerNeeded && mPoseController == nullptr) {
mPoseController = std::make_shared<SpatializerPoseController>(
static_cast<SpatializerPoseController::Listener*>(this),
10ms, std::nullopt);
LOG_ALWAYS_FATAL_IF(mPoseController == nullptr,
"%s could not allocate pose controller", __func__);
mPoseController->setDisplayOrientation(mDisplayOrientation);
} else if (!isControllerNeeded && mPoseController != nullptr) {
mPoseController.reset();
resetEngineHeadPose_l();
}
if (mPoseController != nullptr) {
mPoseController->setDesiredMode(mDesiredHeadTrackingMode);
}
}
void Spatializer::calculateHeadPose() {
ALOGV("%s", __func__);
std::lock_guard lock(mLock);
if (mPoseController != nullptr) {
mPoseController->calculateAsync();
}
}
void Spatializer::onFramesProcessed(int32_t framesProcessed) {
sp<AMessage> msg =
new AMessage(EngineCallbackHandler::kWhatOnFramesProcessed, mHandler);
msg->setInt32(EngineCallbackHandler::kNumFramesKey, framesProcessed);
msg->post();
}
std::string Spatializer::toString(unsigned level) const {
std::string prefixSpace(level, ' ');
std::string ss = prefixSpace + "Spatializer:\n";
bool needUnlock = false;
prefixSpace += ' ';
if (!mLock.try_lock()) {
// dumpsys even try_lock failed, information dump can be useful although may not accurate
ss.append(prefixSpace).append("try_lock failed, dumpsys below maybe INACCURATE!\n");
} else {
needUnlock = true;
}
// Spatializer class information.
// 1. Capabilities (mLevels, mHeadTrackingModes, mSpatializationModes, mChannelMasks, etc)
ss.append(prefixSpace).append("Supported levels: [");
for (auto& level : mLevels) {
base::StringAppendF(&ss, " %s", ToString(level).c_str());
}
base::StringAppendF(&ss, "], mLevel: %s", ToString(mLevel).c_str());
base::StringAppendF(&ss, "\n%smHeadTrackingModes: [", prefixSpace.c_str());
for (auto& mode : mHeadTrackingModes) {
base::StringAppendF(&ss, " %s", ToString(mode).c_str());
}
base::StringAppendF(&ss, "], Desired: %s, Actual %s\n",
media::toString(mDesiredHeadTrackingMode).c_str(),
ToString(mActualHeadTrackingMode).c_str());
base::StringAppendF(&ss, "%smSpatializationModes: [", prefixSpace.c_str());
for (auto& mode : mSpatializationModes) {
base::StringAppendF(&ss, " %s", ToString(mode).c_str());
}
ss += "]\n";
base::StringAppendF(&ss, "%smChannelMasks: ", prefixSpace.c_str());
for (auto& mask : mChannelMasks) {
base::StringAppendF(&ss, "%s", audio_channel_out_mask_to_string(mask));
}
base::StringAppendF(&ss, "\n%smSupportsHeadTracking: %s\n", prefixSpace.c_str(),
mSupportsHeadTracking ? "true" : "false");
// 2. Settings (Output, tracks)
base::StringAppendF(&ss, "%smNumActiveTracks: %zu\n", prefixSpace.c_str(), mNumActiveTracks);
base::StringAppendF(&ss, "%sOutputStreamHandle: %d\n", prefixSpace.c_str(), (int)mOutput);
// 3. Sensors, Effect information.
base::StringAppendF(&ss, "%sHeadSensorHandle: 0x%08x\n", prefixSpace.c_str(), mHeadSensor);
base::StringAppendF(&ss, "%sScreenSensorHandle: 0x%08x\n", prefixSpace.c_str(), mScreenSensor);
base::StringAppendF(&ss, "%sEffectHandle: %p\n", prefixSpace.c_str(), mEngine.get());
base::StringAppendF(&ss, "%sDisplayOrientation: %f\n", prefixSpace.c_str(),
mDisplayOrientation);
ss.append(prefixSpace + "CommandLog:\n");
ss += mLocalLog.dumpToString((prefixSpace + " ").c_str(), mMaxLocalLogLine);
// PostController dump.
if (mPoseController != nullptr) {
ss.append(mPoseController->toString(level + 1))
.append(prefixSpace)
.append("Pose (active stage-to-head) [tx, ty, tz : pitch, roll, yaw]:\n")
.append(prefixSpace)
.append(" PerMinuteHistory:\n")
.append(mPoseDurableRecorder.toString(level + 3))
.append(prefixSpace)
.append(" PerSecondHistory:\n")
.append(mPoseRecorder.toString(level + 3));
} else {
ss.append(prefixSpace).append("SpatializerPoseController not exist\n");
}
if (needUnlock) {
mLock.unlock();
}
return ss;
}
} // namespace android