| /* |
| * Copyright (C) 2018 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_TAG "SoundTriggerHw" |
| |
| #include "SoundTriggerHw.h" |
| |
| #include <android/hidl/allocator/1.0/IAllocator.h> |
| #include <android/log.h> |
| #include <hidlmemory/mapping.h> |
| #include <utility> |
| |
| using android::hardware::hidl_memory; |
| using android::hidl::allocator::V1_0::IAllocator; |
| using android::hidl::memory::V1_0::IMemory; |
| |
| namespace android { |
| namespace hardware { |
| namespace soundtrigger { |
| namespace V2_2 { |
| namespace implementation { |
| |
| /** |
| * According to the HIDL C++ Users Guide: client and server implementations |
| * should never directly refer to anything other than the interface header |
| * generated from the HIDL definition file (ie. ISoundTriggerHw.hal), so |
| * this V2_2 implementation copies the V2_0 and V2_1 implementations and |
| * then adds the new V2_2 implementation. |
| */ |
| |
| // Begin V2_0 implementation, copied from |
| // hardware/interfaces/soundtrigger/2.0/default/SoundTriggerHalImpl.cpp |
| |
| // static |
| void soundModelCallback_(struct sound_trigger_model_event* halEvent, void* cookie) { |
| if (halEvent == NULL) { |
| ALOGW("soundModelCallback called with NULL event"); |
| return; |
| } |
| sp<SoundTriggerHw::SoundModelClient> client = |
| wp<SoundTriggerHw::SoundModelClient>(static_cast<SoundTriggerHw::SoundModelClient*>(cookie)) |
| .promote(); |
| if (client == 0) { |
| ALOGW("soundModelCallback called on stale client"); |
| return; |
| } |
| if (halEvent->model != client->getHalHandle()) { |
| ALOGW("soundModelCallback call with wrong handle %d on client with handle %d", |
| (int)halEvent->model, (int)client->getHalHandle()); |
| return; |
| } |
| |
| client->soundModelCallback(halEvent); |
| } |
| |
| // static |
| void recognitionCallback_(struct sound_trigger_recognition_event* halEvent, void* cookie) { |
| if (halEvent == NULL) { |
| ALOGW("recognitionCallback call NULL event"); |
| return; |
| } |
| sp<SoundTriggerHw::SoundModelClient> client = |
| wp<SoundTriggerHw::SoundModelClient>(static_cast<SoundTriggerHw::SoundModelClient*>(cookie)) |
| .promote(); |
| if (client == 0) { |
| ALOGW("recognitionCallback called on stale client"); |
| return; |
| } |
| |
| client->recognitionCallback(halEvent); |
| } |
| |
| Return<void> SoundTriggerHw::getProperties(ISoundTriggerHw::getProperties_cb _hidl_cb) { |
| ALOGV("getProperties() mHwDevice %p", mHwDevice); |
| int ret; |
| struct sound_trigger_properties halProperties; |
| ISoundTriggerHw::Properties properties; |
| |
| if (mHwDevice == NULL) { |
| ret = -ENODEV; |
| goto exit; |
| } |
| |
| ret = mHwDevice->get_properties(mHwDevice, &halProperties); |
| |
| convertPropertiesFromHal(&properties, &halProperties); |
| |
| ALOGV("getProperties implementor %s recognitionModes %08x", properties.implementor.c_str(), |
| properties.recognitionModes); |
| |
| exit: |
| _hidl_cb(ret, properties); |
| return Void(); |
| } |
| |
| int SoundTriggerHw::doLoadSoundModel(const V2_0::ISoundTriggerHw::SoundModel& soundModel, |
| sp<SoundTriggerHw::SoundModelClient> client) { |
| int32_t ret = 0; |
| struct sound_trigger_sound_model* halSoundModel; |
| |
| ALOGV("doLoadSoundModel() data size %zu", soundModel.data.size()); |
| |
| if (mHwDevice == NULL) { |
| ret = -ENODEV; |
| goto exit; |
| } |
| |
| halSoundModel = convertSoundModelToHal(&soundModel); |
| if (halSoundModel == NULL) { |
| ret = -EINVAL; |
| goto exit; |
| } |
| |
| sound_model_handle_t halHandle; |
| ret = mHwDevice->load_sound_model(mHwDevice, halSoundModel, soundModelCallback_, client.get(), |
| &halHandle); |
| |
| free(halSoundModel); |
| |
| if (ret != 0) { |
| goto exit; |
| } |
| |
| client->setHalHandle(halHandle); |
| { |
| AutoMutex lock(mLock); |
| mClients.add(client->getId(), client); |
| } |
| |
| exit: |
| return ret; |
| } |
| |
| Return<void> SoundTriggerHw::loadSoundModel(const V2_0::ISoundTriggerHw::SoundModel& soundModel, |
| const sp<V2_0::ISoundTriggerHwCallback>& callback, |
| V2_0::ISoundTriggerHwCallback::CallbackCookie cookie, |
| ISoundTriggerHw::loadSoundModel_cb _hidl_cb) { |
| sp<SoundTriggerHw::SoundModelClient> client = |
| new SoundModelClient_2_0(nextUniqueModelId(), cookie, callback); |
| _hidl_cb(doLoadSoundModel(soundModel, client), client->getId()); |
| return Void(); |
| } |
| |
| Return<void> SoundTriggerHw::loadPhraseSoundModel( |
| const V2_0::ISoundTriggerHw::PhraseSoundModel& soundModel, |
| const sp<V2_0::ISoundTriggerHwCallback>& callback, |
| V2_0::ISoundTriggerHwCallback::CallbackCookie cookie, |
| ISoundTriggerHw::loadPhraseSoundModel_cb _hidl_cb) { |
| sp<SoundTriggerHw::SoundModelClient> client = |
| new SoundModelClient_2_0(nextUniqueModelId(), cookie, callback); |
| _hidl_cb(doLoadSoundModel((const V2_0::ISoundTriggerHw::SoundModel&)soundModel, client), |
| client->getId()); |
| return Void(); |
| } |
| |
| Return<int32_t> SoundTriggerHw::unloadSoundModel(int32_t modelHandle) { |
| int32_t ret; |
| sp<SoundTriggerHw::SoundModelClient> client; |
| |
| if (mHwDevice == NULL) { |
| ret = -ENODEV; |
| goto exit; |
| } |
| |
| { |
| AutoMutex lock(mLock); |
| client = mClients.valueFor(modelHandle); |
| if (client == 0) { |
| ret = -ENOSYS; |
| goto exit; |
| } |
| } |
| |
| ret = mHwDevice->unload_sound_model(mHwDevice, client->getHalHandle()); |
| |
| mClients.removeItem(modelHandle); |
| |
| exit: |
| return ret; |
| } |
| |
| Return<int32_t> SoundTriggerHw::startRecognition( |
| int32_t modelHandle, const V2_0::ISoundTriggerHw::RecognitionConfig& config, |
| const sp<V2_0::ISoundTriggerHwCallback>& /* callback */, int32_t /* cookie */) { |
| int32_t ret; |
| sp<SoundTriggerHw::SoundModelClient> client; |
| struct sound_trigger_recognition_config* halConfig; |
| |
| if (mHwDevice == NULL) { |
| ret = -ENODEV; |
| goto exit; |
| } |
| |
| { |
| AutoMutex lock(mLock); |
| client = mClients.valueFor(modelHandle); |
| if (client == 0) { |
| ret = -ENOSYS; |
| goto exit; |
| } |
| } |
| |
| halConfig = |
| convertRecognitionConfigToHal((const V2_0::ISoundTriggerHw::RecognitionConfig*)&config); |
| |
| if (halConfig == NULL) { |
| ret = -EINVAL; |
| goto exit; |
| } |
| ret = mHwDevice->start_recognition(mHwDevice, client->getHalHandle(), halConfig, |
| recognitionCallback_, client.get()); |
| |
| free(halConfig); |
| |
| exit: |
| return ret; |
| } |
| |
| Return<int32_t> SoundTriggerHw::stopRecognition(int32_t modelHandle) { |
| int32_t ret; |
| sp<SoundTriggerHw::SoundModelClient> client; |
| if (mHwDevice == NULL) { |
| ret = -ENODEV; |
| goto exit; |
| } |
| |
| { |
| AutoMutex lock(mLock); |
| client = mClients.valueFor(modelHandle); |
| if (client == 0) { |
| ret = -ENOSYS; |
| goto exit; |
| } |
| } |
| |
| ret = mHwDevice->stop_recognition(mHwDevice, client->getHalHandle()); |
| |
| exit: |
| return ret; |
| } |
| |
| Return<int32_t> SoundTriggerHw::stopAllRecognitions() { |
| int32_t ret; |
| if (mHwDevice == NULL) { |
| ret = -ENODEV; |
| goto exit; |
| } |
| |
| if (mHwDevice->common.version >= SOUND_TRIGGER_DEVICE_API_VERSION_1_1 && |
| mHwDevice->stop_all_recognitions) { |
| ret = mHwDevice->stop_all_recognitions(mHwDevice); |
| } else { |
| ret = -ENOSYS; |
| } |
| exit: |
| return ret; |
| } |
| |
| SoundTriggerHw::SoundTriggerHw() : mModuleName("primary"), mHwDevice(NULL), mNextModelId(1) {} |
| |
| void SoundTriggerHw::onFirstRef() { |
| const hw_module_t* mod; |
| int rc; |
| |
| rc = hw_get_module_by_class(SOUND_TRIGGER_HARDWARE_MODULE_ID, mModuleName, &mod); |
| if (rc != 0) { |
| ALOGE("couldn't load sound trigger module %s.%s (%s)", SOUND_TRIGGER_HARDWARE_MODULE_ID, |
| mModuleName, strerror(-rc)); |
| return; |
| } |
| rc = sound_trigger_hw_device_open(mod, &mHwDevice); |
| if (rc != 0) { |
| ALOGE("couldn't open sound trigger hw device in %s.%s (%s)", |
| SOUND_TRIGGER_HARDWARE_MODULE_ID, mModuleName, strerror(-rc)); |
| mHwDevice = NULL; |
| return; |
| } |
| if (mHwDevice->common.version < SOUND_TRIGGER_DEVICE_API_VERSION_1_0 || |
| mHwDevice->common.version > SOUND_TRIGGER_DEVICE_API_VERSION_CURRENT) { |
| ALOGE("wrong sound trigger hw device version %04x", mHwDevice->common.version); |
| sound_trigger_hw_device_close(mHwDevice); |
| mHwDevice = NULL; |
| return; |
| } |
| |
| ALOGI("onFirstRef() mModuleName %s mHwDevice %p", mModuleName, mHwDevice); |
| } |
| |
| SoundTriggerHw::~SoundTriggerHw() { |
| if (mHwDevice != NULL) { |
| sound_trigger_hw_device_close(mHwDevice); |
| } |
| } |
| |
| uint32_t SoundTriggerHw::nextUniqueModelId() { |
| uint32_t modelId = 0; |
| { |
| AutoMutex lock(mLock); |
| do { |
| modelId = |
| atomic_fetch_add_explicit(&mNextModelId, (uint_fast32_t)1, memory_order_acq_rel); |
| } while (mClients.valueFor(modelId) != 0 && modelId != 0); |
| } |
| LOG_ALWAYS_FATAL_IF(modelId == 0, "wrap around in sound model IDs, num loaded models %zu", |
| mClients.size()); |
| return modelId; |
| } |
| |
| void SoundTriggerHw::convertUuidFromHal(Uuid* uuid, const sound_trigger_uuid_t* halUuid) { |
| uuid->timeLow = halUuid->timeLow; |
| uuid->timeMid = halUuid->timeMid; |
| uuid->versionAndTimeHigh = halUuid->timeHiAndVersion; |
| uuid->variantAndClockSeqHigh = halUuid->clockSeq; |
| memcpy(&uuid->node[0], &halUuid->node[0], 6); |
| } |
| |
| void SoundTriggerHw::convertUuidToHal(sound_trigger_uuid_t* halUuid, const Uuid* uuid) { |
| halUuid->timeLow = uuid->timeLow; |
| halUuid->timeMid = uuid->timeMid; |
| halUuid->timeHiAndVersion = uuid->versionAndTimeHigh; |
| halUuid->clockSeq = uuid->variantAndClockSeqHigh; |
| memcpy(&halUuid->node[0], &uuid->node[0], 6); |
| } |
| |
| void SoundTriggerHw::convertPropertiesFromHal( |
| ISoundTriggerHw::Properties* properties, const struct sound_trigger_properties* halProperties) { |
| properties->implementor = halProperties->implementor; |
| properties->description = halProperties->description; |
| properties->version = halProperties->version; |
| convertUuidFromHal(&properties->uuid, &halProperties->uuid); |
| properties->maxSoundModels = halProperties->max_sound_models; |
| properties->maxKeyPhrases = halProperties->max_key_phrases; |
| properties->maxUsers = halProperties->max_users; |
| properties->recognitionModes = halProperties->recognition_modes; |
| properties->captureTransition = halProperties->capture_transition; |
| properties->maxBufferMs = halProperties->max_buffer_ms; |
| properties->concurrentCapture = halProperties->concurrent_capture; |
| properties->triggerInEvent = halProperties->trigger_in_event; |
| properties->powerConsumptionMw = halProperties->power_consumption_mw; |
| } |
| |
| void SoundTriggerHw::convertTriggerPhraseToHal(struct sound_trigger_phrase* halTriggerPhrase, |
| const ISoundTriggerHw::Phrase* triggerPhrase) { |
| halTriggerPhrase->id = triggerPhrase->id; |
| halTriggerPhrase->recognition_mode = triggerPhrase->recognitionModes; |
| unsigned int i; |
| |
| halTriggerPhrase->num_users = |
| std::min((int)triggerPhrase->users.size(), SOUND_TRIGGER_MAX_USERS); |
| for (i = 0; i < halTriggerPhrase->num_users; i++) { |
| halTriggerPhrase->users[i] = triggerPhrase->users[i]; |
| } |
| |
| strlcpy(halTriggerPhrase->locale, triggerPhrase->locale.c_str(), SOUND_TRIGGER_MAX_LOCALE_LEN); |
| strlcpy(halTriggerPhrase->text, triggerPhrase->text.c_str(), SOUND_TRIGGER_MAX_STRING_LEN); |
| } |
| |
| struct sound_trigger_sound_model* SoundTriggerHw::convertSoundModelToHal( |
| const V2_0::ISoundTriggerHw::SoundModel* soundModel) { |
| struct sound_trigger_sound_model* halModel = NULL; |
| if (soundModel->type == V2_0::SoundModelType::KEYPHRASE) { |
| size_t allocSize = |
| sizeof(struct sound_trigger_phrase_sound_model) + soundModel->data.size(); |
| struct sound_trigger_phrase_sound_model* halKeyPhraseModel = |
| static_cast<struct sound_trigger_phrase_sound_model*>(malloc(allocSize)); |
| LOG_ALWAYS_FATAL_IF(halKeyPhraseModel == NULL, |
| "malloc failed for size %zu in convertSoundModelToHal PHRASE", |
| allocSize); |
| |
| const V2_0::ISoundTriggerHw::PhraseSoundModel* keyPhraseModel = |
| reinterpret_cast<const V2_0::ISoundTriggerHw::PhraseSoundModel*>(soundModel); |
| |
| size_t i; |
| for (i = 0; i < keyPhraseModel->phrases.size() && i < SOUND_TRIGGER_MAX_PHRASES; i++) { |
| convertTriggerPhraseToHal(&halKeyPhraseModel->phrases[i], &keyPhraseModel->phrases[i]); |
| } |
| halKeyPhraseModel->num_phrases = (unsigned int)i; |
| halModel = reinterpret_cast<struct sound_trigger_sound_model*>(halKeyPhraseModel); |
| halModel->data_offset = sizeof(struct sound_trigger_phrase_sound_model); |
| } else { |
| size_t allocSize = sizeof(struct sound_trigger_sound_model) + soundModel->data.size(); |
| halModel = static_cast<struct sound_trigger_sound_model*>(malloc(allocSize)); |
| LOG_ALWAYS_FATAL_IF(halModel == NULL, |
| "malloc failed for size %zu in convertSoundModelToHal GENERIC", |
| allocSize); |
| |
| halModel->data_offset = sizeof(struct sound_trigger_sound_model); |
| } |
| halModel->type = (sound_trigger_sound_model_type_t)soundModel->type; |
| convertUuidToHal(&halModel->uuid, &soundModel->uuid); |
| convertUuidToHal(&halModel->vendor_uuid, &soundModel->vendorUuid); |
| halModel->data_size = soundModel->data.size(); |
| uint8_t* dst = reinterpret_cast<uint8_t*>(halModel) + halModel->data_offset; |
| const uint8_t* src = reinterpret_cast<const uint8_t*>(&soundModel->data[0]); |
| memcpy(dst, src, soundModel->data.size()); |
| |
| return halModel; |
| } |
| |
| void SoundTriggerHw::convertPhraseRecognitionExtraToHal( |
| struct sound_trigger_phrase_recognition_extra* halExtra, |
| const V2_0::PhraseRecognitionExtra* extra) { |
| halExtra->id = extra->id; |
| halExtra->recognition_modes = extra->recognitionModes; |
| halExtra->confidence_level = extra->confidenceLevel; |
| |
| unsigned int i; |
| for (i = 0; i < extra->levels.size() && i < SOUND_TRIGGER_MAX_USERS; i++) { |
| halExtra->levels[i].user_id = extra->levels[i].userId; |
| halExtra->levels[i].level = extra->levels[i].levelPercent; |
| } |
| halExtra->num_levels = i; |
| } |
| |
| struct sound_trigger_recognition_config* SoundTriggerHw::convertRecognitionConfigToHal( |
| const V2_0::ISoundTriggerHw::RecognitionConfig* config) { |
| size_t allocSize = sizeof(struct sound_trigger_recognition_config) + config->data.size(); |
| struct sound_trigger_recognition_config* halConfig = |
| static_cast<struct sound_trigger_recognition_config*>(malloc(allocSize)); |
| |
| LOG_ALWAYS_FATAL_IF(halConfig == NULL, |
| "malloc failed for size %zu in convertRecognitionConfigToHal", allocSize); |
| |
| halConfig->capture_handle = (audio_io_handle_t)config->captureHandle; |
| halConfig->capture_device = (audio_devices_t)config->captureDevice; |
| halConfig->capture_requested = config->captureRequested; |
| |
| unsigned int i; |
| for (i = 0; i < config->phrases.size() && i < SOUND_TRIGGER_MAX_PHRASES; i++) { |
| convertPhraseRecognitionExtraToHal(&halConfig->phrases[i], &config->phrases[i]); |
| } |
| halConfig->num_phrases = i; |
| |
| halConfig->data_offset = sizeof(struct sound_trigger_recognition_config); |
| halConfig->data_size = config->data.size(); |
| uint8_t* dst = reinterpret_cast<uint8_t*>(halConfig) + halConfig->data_offset; |
| const uint8_t* src = reinterpret_cast<const uint8_t*>(&config->data[0]); |
| memcpy(dst, src, config->data.size()); |
| return halConfig; |
| } |
| |
| // static |
| void SoundTriggerHw::convertSoundModelEventFromHal( |
| V2_0::ISoundTriggerHwCallback::ModelEvent* event, |
| const struct sound_trigger_model_event* halEvent) { |
| event->status = (V2_0::ISoundTriggerHwCallback::SoundModelStatus)halEvent->status; |
| // event->model to be remapped by called |
| event->data.setToExternal( |
| const_cast<uint8_t*>(reinterpret_cast<const uint8_t*>(halEvent)) + halEvent->data_offset, |
| halEvent->data_size); |
| } |
| |
| // static |
| void SoundTriggerHw::convertPhaseRecognitionEventFromHal( |
| V2_0::ISoundTriggerHwCallback::PhraseRecognitionEvent* event, |
| const struct sound_trigger_phrase_recognition_event* halEvent) { |
| event->phraseExtras.resize(halEvent->num_phrases); |
| for (unsigned int i = 0; i < halEvent->num_phrases; i++) { |
| convertPhraseRecognitionExtraFromHal(&event->phraseExtras[i], &halEvent->phrase_extras[i]); |
| } |
| convertRecognitionEventFromHal(&event->common, &halEvent->common); |
| } |
| |
| // static |
| void SoundTriggerHw::convertRecognitionEventFromHal( |
| V2_0::ISoundTriggerHwCallback::RecognitionEvent* event, |
| const struct sound_trigger_recognition_event* halEvent) { |
| event->status = static_cast<V2_0::ISoundTriggerHwCallback::RecognitionStatus>(halEvent->status); |
| event->type = static_cast<V2_0::SoundModelType>(halEvent->type); |
| // event->model to be remapped by called |
| event->captureAvailable = halEvent->capture_available; |
| event->captureSession = halEvent->capture_session; |
| event->captureDelayMs = halEvent->capture_delay_ms; |
| event->capturePreambleMs = halEvent->capture_preamble_ms; |
| event->triggerInData = halEvent->trigger_in_data; |
| event->audioConfig.sampleRateHz = halEvent->audio_config.sample_rate; |
| event->audioConfig.channelMask = |
| (audio::common::V2_0::AudioChannelMask)halEvent->audio_config.channel_mask; |
| event->audioConfig.format = (audio::common::V2_0::AudioFormat)halEvent->audio_config.format; |
| event->data.setToExternal( |
| const_cast<uint8_t*>(reinterpret_cast<const uint8_t*>(halEvent)) + halEvent->data_offset, |
| halEvent->data_size); |
| } |
| |
| // static |
| void SoundTriggerHw::convertPhraseRecognitionExtraFromHal( |
| V2_0::PhraseRecognitionExtra* extra, |
| const struct sound_trigger_phrase_recognition_extra* halExtra) { |
| extra->id = halExtra->id; |
| extra->recognitionModes = halExtra->recognition_modes; |
| extra->confidenceLevel = halExtra->confidence_level; |
| |
| extra->levels.resize(halExtra->num_levels); |
| for (unsigned int i = 0; i < halExtra->num_levels; i++) { |
| extra->levels[i].userId = halExtra->levels[i].user_id; |
| extra->levels[i].levelPercent = halExtra->levels[i].level; |
| } |
| } |
| |
| void SoundTriggerHw::SoundModelClient_2_0::recognitionCallback( |
| struct sound_trigger_recognition_event* halEvent) { |
| if (halEvent->type == SOUND_MODEL_TYPE_KEYPHRASE) { |
| V2_0::ISoundTriggerHwCallback::PhraseRecognitionEvent event; |
| convertPhaseRecognitionEventFromHal( |
| &event, reinterpret_cast<sound_trigger_phrase_recognition_event*>(halEvent)); |
| event.common.model = mId; |
| mCallback->phraseRecognitionCallback(event, mCookie); |
| } else { |
| V2_0::ISoundTriggerHwCallback::RecognitionEvent event; |
| convertRecognitionEventFromHal(&event, halEvent); |
| event.model = mId; |
| mCallback->recognitionCallback(event, mCookie); |
| } |
| } |
| |
| void SoundTriggerHw::SoundModelClient_2_0::soundModelCallback( |
| struct sound_trigger_model_event* halEvent) { |
| V2_0::ISoundTriggerHwCallback::ModelEvent event; |
| convertSoundModelEventFromHal(&event, halEvent); |
| event.model = mId; |
| mCallback->soundModelCallback(event, mCookie); |
| } |
| |
| // Begin V2_1 implementation, copied from |
| // hardware/interfaces/soundtrigger/2.1/default/SoundTriggerHw.cpp |
| |
| namespace { |
| |
| // Backs up by the vector with the contents of shared memory. |
| // It is assumed that the passed hidl_vector is empty, so it's |
| // not cleared if the memory is a null object. |
| // The caller needs to keep the returned sp<IMemory> as long as |
| // the data is needed. |
| std::pair<bool, sp<IMemory>> memoryAsVector(const hidl_memory& m, hidl_vec<uint8_t>* vec) { |
| sp<IMemory> memory; |
| if (m.size() == 0) { |
| return std::make_pair(true, memory); |
| } |
| memory = mapMemory(m); |
| if (memory != nullptr) { |
| memory->read(); |
| vec->setToExternal(static_cast<uint8_t*>(static_cast<void*>(memory->getPointer())), |
| memory->getSize()); |
| return std::make_pair(true, memory); |
| } |
| ALOGE("%s: Could not map HIDL memory to IMemory", __func__); |
| return std::make_pair(false, memory); |
| } |
| |
| // Moves the data from the vector into allocated shared memory, |
| // emptying the vector. |
| // It is assumed that the passed hidl_memory is a null object, so it's |
| // not reset if the vector is empty. |
| // The caller needs to keep the returned sp<IMemory> as long as |
| // the data is needed. |
| std::pair<bool, sp<IMemory>> moveVectorToMemory(hidl_vec<uint8_t>* v, hidl_memory* mem) { |
| sp<IMemory> memory; |
| if (v->size() == 0) { |
| return std::make_pair(true, memory); |
| } |
| sp<IAllocator> ashmem = IAllocator::getService("ashmem"); |
| if (ashmem == 0) { |
| ALOGE("Failed to retrieve ashmem allocator service"); |
| return std::make_pair(false, memory); |
| } |
| bool success = false; |
| Return<void> r = ashmem->allocate(v->size(), [&](bool s, const hidl_memory& m) { |
| success = s; |
| if (success) *mem = m; |
| }); |
| if (r.isOk() && success) { |
| memory = hardware::mapMemory(*mem); |
| if (memory != 0) { |
| memory->update(); |
| memcpy(memory->getPointer(), v->data(), v->size()); |
| memory->commit(); |
| v->resize(0); |
| return std::make_pair(true, memory); |
| } else { |
| ALOGE("Failed to map allocated ashmem"); |
| } |
| } else { |
| ALOGE("Failed to allocate %llu bytes from ashmem", (unsigned long long)v->size()); |
| } |
| return std::make_pair(false, memory); |
| } |
| |
| } // namespace |
| |
| Return<void> SoundTriggerHw::loadSoundModel_2_1( |
| const V2_1::ISoundTriggerHw::SoundModel& soundModel, |
| const sp<V2_1::ISoundTriggerHwCallback>& callback, int32_t cookie, |
| V2_1::ISoundTriggerHw::loadSoundModel_2_1_cb _hidl_cb) { |
| // It is assumed that legacy data vector is empty, thus making copy is cheap. |
| V2_0::ISoundTriggerHw::SoundModel soundModel_2_0(soundModel.header); |
| auto result = memoryAsVector(soundModel.data, &soundModel_2_0.data); |
| if (result.first) { |
| sp<SoundModelClient> client = |
| new SoundModelClient_2_1(nextUniqueModelId(), cookie, callback); |
| _hidl_cb(doLoadSoundModel(soundModel_2_0, client), client->getId()); |
| return Void(); |
| } |
| _hidl_cb(-ENOMEM, 0); |
| return Void(); |
| } |
| |
| Return<void> SoundTriggerHw::loadPhraseSoundModel_2_1( |
| const V2_1::ISoundTriggerHw::PhraseSoundModel& soundModel, |
| const sp<V2_1::ISoundTriggerHwCallback>& callback, int32_t cookie, |
| V2_1::ISoundTriggerHw::loadPhraseSoundModel_2_1_cb _hidl_cb) { |
| V2_0::ISoundTriggerHw::PhraseSoundModel soundModel_2_0; |
| // It is assumed that legacy data vector is empty, thus making copy is cheap. |
| soundModel_2_0.common = soundModel.common.header; |
| // Avoid copying phrases data. |
| soundModel_2_0.phrases.setToExternal( |
| const_cast<V2_0::ISoundTriggerHw::Phrase*>(soundModel.phrases.data()), |
| soundModel.phrases.size()); |
| auto result = memoryAsVector(soundModel.common.data, &soundModel_2_0.common.data); |
| if (result.first) { |
| sp<SoundModelClient> client = |
| new SoundModelClient_2_1(nextUniqueModelId(), cookie, callback); |
| _hidl_cb(doLoadSoundModel((const V2_0::ISoundTriggerHw::SoundModel&)soundModel_2_0, client), |
| client->getId()); |
| return Void(); |
| } |
| _hidl_cb(-ENOMEM, 0); |
| return Void(); |
| } |
| |
| Return<int32_t> SoundTriggerHw::startRecognition_2_1( |
| int32_t modelHandle, const V2_1::ISoundTriggerHw::RecognitionConfig& config, |
| const sp<V2_1::ISoundTriggerHwCallback>& callback, int32_t cookie) { |
| // It is assumed that legacy data vector is empty, thus making copy is cheap. |
| V2_0::ISoundTriggerHw::RecognitionConfig config_2_0(config.header); |
| auto result = memoryAsVector(config.data, &config_2_0.data); |
| return result.first ? startRecognition(modelHandle, config_2_0, callback, cookie) |
| : Return<int32_t>(-ENOMEM); |
| } |
| |
| void SoundTriggerHw::SoundModelClient_2_1::recognitionCallback( |
| struct sound_trigger_recognition_event* halEvent) { |
| if (halEvent->type == SOUND_MODEL_TYPE_KEYPHRASE) { |
| V2_0::ISoundTriggerHwCallback::PhraseRecognitionEvent event_2_0; |
| convertPhaseRecognitionEventFromHal( |
| &event_2_0, reinterpret_cast<sound_trigger_phrase_recognition_event*>(halEvent)); |
| event_2_0.common.model = mId; |
| V2_1::ISoundTriggerHwCallback::PhraseRecognitionEvent event; |
| event.phraseExtras.setToExternal(event_2_0.phraseExtras.data(), |
| event_2_0.phraseExtras.size()); |
| auto result = moveVectorToMemory(&event_2_0.common.data, &event.common.data); |
| if (result.first) { |
| // The data vector is now empty, thus copying is cheap. |
| event.common.header = event_2_0.common; |
| mCallback->phraseRecognitionCallback_2_1(event, mCookie); |
| } |
| } else { |
| V2_1::ISoundTriggerHwCallback::RecognitionEvent event; |
| convertRecognitionEventFromHal(&event.header, halEvent); |
| event.header.model = mId; |
| auto result = moveVectorToMemory(&event.header.data, &event.data); |
| if (result.first) { |
| mCallback->recognitionCallback_2_1(event, mCookie); |
| } |
| } |
| } |
| |
| void SoundTriggerHw::SoundModelClient_2_1::soundModelCallback( |
| struct sound_trigger_model_event* halEvent) { |
| V2_1::ISoundTriggerHwCallback::ModelEvent event; |
| convertSoundModelEventFromHal(&event.header, halEvent); |
| event.header.model = mId; |
| auto result = moveVectorToMemory(&event.header.data, &event.data); |
| if (result.first) { |
| mCallback->soundModelCallback_2_1(event, mCookie); |
| } |
| } |
| |
| // Begin V2_2 implementation |
| |
| Return<int32_t> SoundTriggerHw::getModelState(int32_t modelHandle) { |
| sp<SoundModelClient> client; |
| if (mHwDevice == NULL) { |
| return -ENODEV; |
| } |
| |
| { |
| AutoMutex lock(mLock); |
| client = mClients.valueFor(modelHandle); |
| if (client == 0) { |
| return -ENOSYS; |
| } |
| } |
| |
| if (mHwDevice->common.version < SOUND_TRIGGER_DEVICE_API_VERSION_1_2) { |
| ALOGE("Get model state not supported"); |
| return -ENODEV; |
| } |
| |
| if (mHwDevice->get_model_state == NULL) { |
| ALOGE("Failed to get model state from device, no such method"); |
| return -ENODEV; |
| } |
| |
| return mHwDevice->get_model_state(mHwDevice, client->getHalHandle()); |
| } |
| |
| // Methods from ::android::hidl::base::V1_0::IBase follow. |
| |
| ISoundTriggerHw* HIDL_FETCH_ISoundTriggerHw(const char* /* name */) { |
| return new SoundTriggerHw(); |
| } |
| |
| } // namespace implementation |
| } // namespace V2_2 |
| } // namespace soundtrigger |
| } // namespace hardware |
| } // namespace android |