soundtrigger: Default implementation for version 2.1
Wrapped around the 2.0 default implementation. Added functionality
for retrieving and sending the data via shared memory.
Bug: 68823037
Test: compiles
Change-Id: Ie38dd261dc8c635462a7e2ee26672a83af915e84
diff --git a/soundtrigger/2.1/default/Android.mk b/soundtrigger/2.1/default/Android.mk
new file mode 100644
index 0000000..5851d63
--- /dev/null
+++ b/soundtrigger/2.1/default/Android.mk
@@ -0,0 +1,49 @@
+#
+# 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.
+
+
+LOCAL_PATH := $(call my-dir)
+
+include $(CLEAR_VARS)
+LOCAL_MODULE := android.hardware.soundtrigger@2.1-impl
+LOCAL_VENDOR_MODULE := true
+LOCAL_MODULE_RELATIVE_PATH := hw
+LOCAL_SRC_FILES := \
+ SoundTriggerHw.cpp
+
+LOCAL_CFLAGS := -Wall -Werror
+
+LOCAL_SHARED_LIBRARIES := \
+ libhardware \
+ libhidlbase \
+ libhidlmemory \
+ libhidltransport \
+ liblog \
+ libutils \
+ android.hardware.soundtrigger@2.1 \
+ android.hardware.soundtrigger@2.0 \
+ android.hardware.soundtrigger@2.0-core \
+ android.hidl.allocator@1.0 \
+ android.hidl.memory@1.0
+
+LOCAL_C_INCLUDE_DIRS := $(LOCAL_PATH)
+
+ifeq ($(strip $(AUDIOSERVER_MULTILIB)),)
+LOCAL_MULTILIB := 32
+else
+LOCAL_MULTILIB := $(AUDIOSERVER_MULTILIB)
+endif
+
+include $(BUILD_SHARED_LIBRARY)
diff --git a/soundtrigger/2.1/default/SoundTriggerHw.cpp b/soundtrigger/2.1/default/SoundTriggerHw.cpp
new file mode 100644
index 0000000..246d2bc
--- /dev/null
+++ b/soundtrigger/2.1/default/SoundTriggerHw.cpp
@@ -0,0 +1,194 @@
+/*
+ * 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 <utility>
+
+#include <android/hidl/allocator/1.0/IAllocator.h>
+#include <android/log.h>
+#include <hidlmemory/mapping.h>
+
+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_1 {
+namespace implementation {
+
+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) {
+ // 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) : 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);
+ }
+}
+
+ISoundTriggerHw* HIDL_FETCH_ISoundTriggerHw(const char* /* name */) {
+ return (new SoundTriggerHw())->getInterface();
+}
+
+} // namespace implementation
+} // namespace V2_1
+} // namespace soundtrigger
+} // namespace hardware
+} // namespace android
diff --git a/soundtrigger/2.1/default/SoundTriggerHw.h b/soundtrigger/2.1/default/SoundTriggerHw.h
new file mode 100644
index 0000000..855d1a6
--- /dev/null
+++ b/soundtrigger/2.1/default/SoundTriggerHw.h
@@ -0,0 +1,152 @@
+/*
+ * 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.
+ */
+
+#ifndef ANDROID_HARDWARE_SOUNDTRIGGER_V2_1_SOUNDTRIGGERHW_H
+#define ANDROID_HARDWARE_SOUNDTRIGGER_V2_1_SOUNDTRIGGERHW_H
+
+#include <SoundTriggerHalImpl.h>
+#include <android/hardware/soundtrigger/2.1/ISoundTriggerHw.h>
+#include <hidl/Status.h>
+
+namespace android {
+namespace hardware {
+namespace soundtrigger {
+namespace V2_1 {
+namespace implementation {
+
+using ::android::sp;
+using ::android::hardware::hidl_string;
+using ::android::hardware::hidl_vec;
+using ::android::hardware::Return;
+using ::android::hardware::Void;
+
+struct SoundTriggerHw : public V2_0::implementation::SoundTriggerHalImpl {
+ SoundTriggerHw() = default;
+ ISoundTriggerHw* getInterface() { return new TrampolineSoundTriggerHw_2_1(this); }
+
+ protected:
+ virtual ~SoundTriggerHw() = default;
+
+ Return<void> 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);
+ Return<void> 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);
+ Return<int32_t> startRecognition_2_1(int32_t modelHandle,
+ const V2_1::ISoundTriggerHw::RecognitionConfig& config);
+
+ private:
+ struct TrampolineSoundTriggerHw_2_1 : public ISoundTriggerHw {
+ explicit TrampolineSoundTriggerHw_2_1(sp<SoundTriggerHw> impl) : mImpl(impl) {}
+
+ // Methods from ::android::hardware::soundtrigger::V2_0::ISoundTriggerHw follow.
+ Return<void> getProperties(getProperties_cb _hidl_cb) override {
+ return mImpl->getProperties(_hidl_cb);
+ }
+ Return<void> loadSoundModel(const V2_0::ISoundTriggerHw::SoundModel& soundModel,
+ const sp<V2_0::ISoundTriggerHwCallback>& callback,
+ int32_t cookie, loadSoundModel_cb _hidl_cb) override {
+ return mImpl->loadSoundModel(soundModel, callback, cookie, _hidl_cb);
+ }
+ Return<void> loadPhraseSoundModel(const V2_0::ISoundTriggerHw::PhraseSoundModel& soundModel,
+ const sp<V2_0::ISoundTriggerHwCallback>& callback,
+ int32_t cookie,
+ loadPhraseSoundModel_cb _hidl_cb) override {
+ return mImpl->loadPhraseSoundModel(soundModel, callback, cookie, _hidl_cb);
+ }
+ Return<int32_t> unloadSoundModel(V2_0::SoundModelHandle modelHandle) override {
+ return mImpl->unloadSoundModel(modelHandle);
+ }
+ Return<int32_t> startRecognition(int32_t modelHandle,
+ const V2_0::ISoundTriggerHw::RecognitionConfig& config,
+ const sp<V2_0::ISoundTriggerHwCallback>& /*callback*/,
+ int32_t /*cookie*/) override {
+ return mImpl->startRecognition(modelHandle, config);
+ }
+ Return<int32_t> stopRecognition(V2_0::SoundModelHandle modelHandle) override {
+ return mImpl->stopRecognition(modelHandle);
+ }
+ Return<int32_t> stopAllRecognitions() override { return mImpl->stopAllRecognitions(); }
+
+ // Methods from V2_1::ISoundTriggerHw follow.
+ Return<void> loadSoundModel_2_1(const V2_1::ISoundTriggerHw::SoundModel& soundModel,
+ const sp<V2_1::ISoundTriggerHwCallback>& callback,
+ int32_t cookie, loadSoundModel_2_1_cb _hidl_cb) override {
+ return mImpl->loadSoundModel_2_1(soundModel, callback, cookie, _hidl_cb);
+ }
+ Return<void> loadPhraseSoundModel_2_1(
+ const V2_1::ISoundTriggerHw::PhraseSoundModel& soundModel,
+ const sp<V2_1::ISoundTriggerHwCallback>& callback, int32_t cookie,
+ loadPhraseSoundModel_2_1_cb _hidl_cb) override {
+ return mImpl->loadPhraseSoundModel_2_1(soundModel, callback, cookie, _hidl_cb);
+ }
+ Return<int32_t> startRecognition_2_1(int32_t modelHandle,
+ const V2_1::ISoundTriggerHw::RecognitionConfig& config,
+ const sp<V2_1::ISoundTriggerHwCallback>& /*callback*/,
+ int32_t /*cookie*/) override {
+ return mImpl->startRecognition_2_1(modelHandle, config);
+ }
+ Return<void> getParameters(const hidl_vec<hidl_string>& /*keys*/,
+ getParameters_cb _hidl_cb) override {
+ _hidl_cb(-ENOSYS, hidl_vec<ParameterValue>());
+ return Void();
+ }
+ Return<int32_t> setParameters(
+ const hidl_vec<V2_1::ISoundTriggerHw::ParameterValue>& /*parameters*/) override {
+ return -ENOSYS;
+ }
+ Return<void> getSoundModelParameters(int32_t /*modelHandle*/,
+ const hidl_vec<hidl_string>& /*keys*/,
+ getSoundModelParameters_cb _hidl_cb) override {
+ _hidl_cb(-ENOSYS, hidl_vec<ParameterValue>());
+ return Void();
+ }
+ Return<int32_t> setSoundModelParameters(
+ int32_t /*modelHandle*/,
+ const hidl_vec<V2_1::ISoundTriggerHw::ParameterValue>& /*parameters*/) override {
+ return -ENOSYS;
+ }
+
+ private:
+ sp<SoundTriggerHw> mImpl;
+ };
+
+ class SoundModelClient_2_1 : public SoundModelClient {
+ public:
+ SoundModelClient_2_1(uint32_t id, V2_1::ISoundTriggerHwCallback::CallbackCookie cookie,
+ sp<V2_1::ISoundTriggerHwCallback> callback)
+ : SoundModelClient(id, cookie), mCallback(callback) {}
+
+ void recognitionCallback(struct sound_trigger_recognition_event* halEvent) override;
+ void soundModelCallback(struct sound_trigger_model_event* halEvent) override;
+
+ private:
+ sp<V2_1::ISoundTriggerHwCallback> mCallback;
+ };
+};
+
+extern "C" ISoundTriggerHw* HIDL_FETCH_ISoundTriggerHw(const char* name);
+
+} // namespace implementation
+} // namespace V2_1
+} // namespace soundtrigger
+} // namespace hardware
+} // namespace android
+
+#endif // ANDROID_HARDWARE_SOUNDTRIGGER_V2_1_SOUNDTRIGGERHW_H