Effect AIDL Add visualizer libeffect implementation
Bug: 258124419
Test: atest VtsHalVisualizerTargetTest
Change-Id: I051865bb8eba64a7e3624899d9018ba4eed53ac0
diff --git a/media/libeffects/visualizer/aidl/Visualizer.cpp b/media/libeffects/visualizer/aidl/Visualizer.cpp
new file mode 100644
index 0000000..e21aa01
--- /dev/null
+++ b/media/libeffects/visualizer/aidl/Visualizer.cpp
@@ -0,0 +1,255 @@
+/*
+ * Copyright (C) 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_TAG "AHAL_VisualizerLibEffects"
+
+#include <android-base/logging.h>
+#include "Visualizer.h"
+
+using aidl::android::hardware::audio::effect::Descriptor;
+using aidl::android::hardware::audio::effect::IEffect;
+using aidl::android::hardware::audio::effect::VisualizerImpl;
+using aidl::android::hardware::audio::effect::kVisualizerImplUUID;
+using aidl::android::hardware::audio::effect::State;
+using aidl::android::media::audio::common::AudioUuid;
+
+extern "C" binder_exception_t createEffect(const AudioUuid* in_impl_uuid,
+ std::shared_ptr<IEffect>* instanceSpp) {
+ if (!in_impl_uuid || *in_impl_uuid != kVisualizerImplUUID) {
+ LOG(ERROR) << __func__ << "uuid not supported";
+ return EX_ILLEGAL_ARGUMENT;
+ }
+ if (instanceSpp) {
+ *instanceSpp = ndk::SharedRefBase::make<VisualizerImpl>();
+ LOG(DEBUG) << __func__ << " instance " << instanceSpp->get() << " created";
+ return EX_NONE;
+ } else {
+ LOG(ERROR) << __func__ << " invalid input parameter!";
+ return EX_ILLEGAL_ARGUMENT;
+ }
+}
+
+extern "C" binder_exception_t queryEffect(const AudioUuid* in_impl_uuid, Descriptor* _aidl_return) {
+ if (!in_impl_uuid || *in_impl_uuid != kVisualizerImplUUID) {
+ LOG(ERROR) << __func__ << "uuid not supported";
+ return EX_ILLEGAL_ARGUMENT;
+ }
+ *_aidl_return = VisualizerImpl::kDescriptor;
+ return EX_NONE;
+}
+
+namespace aidl::android::hardware::audio::effect {
+
+const std::string VisualizerImpl::kEffectName = "Visualizer";
+const Visualizer::Capability VisualizerImpl::kCapability = {
+ .maxLatencyMs = VisualizerContext::kMaxLatencyMs,
+ .captureSampleRange = {.min = 0, .max = VisualizerContext::kMaxCaptureBufSize}};
+const Descriptor VisualizerImpl::kDescriptor = {
+ .common = {.id = {.type = kVisualizerTypeUUID,
+ .uuid = kVisualizerImplUUID,
+ .proxy = std::nullopt},
+ .flags = {.type = Flags::Type::INSERT,
+ .insert = Flags::Insert::LAST,
+ .volume = Flags::Volume::CTRL},
+ .name = VisualizerImpl::kEffectName,
+ .implementor = "The Android Open Source Project"},
+ .capability = Capability::make<Capability::visualizer>(VisualizerImpl::kCapability)};
+
+ndk::ScopedAStatus VisualizerImpl::getDescriptor(Descriptor* _aidl_return) {
+ RETURN_IF(!_aidl_return, EX_ILLEGAL_ARGUMENT, "Parameter:nullptr");
+ LOG(DEBUG) << __func__ << kDescriptor.toString();
+ *_aidl_return = kDescriptor;
+ return ndk::ScopedAStatus::ok();
+}
+
+ndk::ScopedAStatus VisualizerImpl::commandImpl(CommandId command) {
+ RETURN_IF(!mContext, EX_NULL_POINTER, "nullContext");
+ switch (command) {
+ case CommandId::START:
+ mContext->enable();
+ break;
+ case CommandId::STOP:
+ mContext->disable();
+ break;
+ case CommandId::RESET:
+ mContext->disable();
+ mContext->resetBuffer();
+ break;
+ default:
+ LOG(ERROR) << __func__ << " commandId " << toString(command) << " not supported";
+ return ndk::ScopedAStatus::fromExceptionCodeWithMessage(EX_ILLEGAL_ARGUMENT,
+ "commandIdNotSupported");
+ }
+ return ndk::ScopedAStatus::ok();
+}
+
+ndk::ScopedAStatus VisualizerImpl::setOnlyParameter(
+ const Visualizer::SetOnlyParameters& param) {
+ auto tag = param.getTag();
+ switch (tag) {
+ case Visualizer::SetOnlyParameters::latencyMs: {
+ mContext->setDownstreamLatency(param.get<Visualizer::SetOnlyParameters::latencyMs>());
+ break;
+ }
+ default: {
+ LOG(ERROR) << __func__ << " unsupported tag: " << toString(tag);
+ return ndk::ScopedAStatus::fromExceptionCodeWithMessage(
+ EX_ILLEGAL_ARGUMENT, "setOnlyParameterTagNotSupported");
+ }
+ }
+ return ndk::ScopedAStatus::ok();
+}
+
+ndk::ScopedAStatus VisualizerImpl::setParameterSpecific(const Parameter::Specific& specific) {
+ RETURN_IF(Parameter::Specific::visualizer != specific.getTag(), EX_ILLEGAL_ARGUMENT,
+ "EffectNotSupported");
+ RETURN_IF(!mContext, EX_NULL_POINTER, "nullContext");
+
+ auto& param = specific.get<Parameter::Specific::visualizer>();
+ const auto tag = param.getTag();
+ switch (tag) {
+ case Visualizer::captureSamples: {
+ RETURN_IF(mContext->setCaptureSamples(param.get<Visualizer::captureSamples>()) !=
+ RetCode::SUCCESS,
+ EX_ILLEGAL_ARGUMENT, "setCaptureSizeFailed");
+ return ndk::ScopedAStatus::ok();
+ }
+ case Visualizer::scalingMode: {
+ RETURN_IF(mContext->setScalingMode(param.get<Visualizer::scalingMode>()) !=
+ RetCode::SUCCESS,
+ EX_ILLEGAL_ARGUMENT, "setScalingModeFailed");
+ return ndk::ScopedAStatus::ok();
+ }
+ case Visualizer::measurementMode: {
+ RETURN_IF(mContext->setMeasurementMode(param.get<Visualizer::measurementMode>()) !=
+ RetCode::SUCCESS,
+ EX_ILLEGAL_ARGUMENT, "setMeasurementModeFailed");
+ return ndk::ScopedAStatus::ok();
+ }
+ case Visualizer::setOnlyParameters: {
+ return setOnlyParameter(param.get<Visualizer::setOnlyParameters>());
+ }
+ default: {
+ LOG(ERROR) << __func__ << " unsupported tag: " << toString(tag);
+ return ndk::ScopedAStatus::fromExceptionCodeWithMessage(
+ EX_ILLEGAL_ARGUMENT, "VisualizerTagNotSupported");
+ }
+ }
+}
+
+ndk::ScopedAStatus VisualizerImpl::getOnlyParameter(const Visualizer::GetOnlyParameters::Tag tag,
+ Parameter::Specific* specific) {
+ Visualizer visualizer;
+ Visualizer::GetOnlyParameters param;
+ switch (tag) {
+ case Visualizer::GetOnlyParameters::measurement: {
+ param.set<Visualizer::GetOnlyParameters::measurement>(mContext->getMeasure());
+ break;
+ }
+ case Visualizer::GetOnlyParameters::captureSampleBuffer: {
+ param.set<Visualizer::GetOnlyParameters::captureSampleBuffer>(mContext->capture());
+ break;
+ }
+ default: {
+ LOG(ERROR) << __func__ << " unsupported tag: " << toString(tag);
+ return ndk::ScopedAStatus::fromExceptionCodeWithMessage(
+ EX_ILLEGAL_ARGUMENT, "setOnlyParameterTagNotSupported");
+ }
+ }
+ visualizer.set<Visualizer::getOnlyParameters>(param);
+ specific->set<Parameter::Specific::visualizer>(visualizer);
+ return ndk::ScopedAStatus::ok();
+}
+
+ndk::ScopedAStatus VisualizerImpl::getParameterSpecific(const Parameter::Id& id,
+ Parameter::Specific* specific) {
+ RETURN_IF(!specific, EX_NULL_POINTER, "nullPtr");
+ auto tag = id.getTag();
+ RETURN_IF(Parameter::Id::visualizerTag != tag, EX_ILLEGAL_ARGUMENT, "wrongIdTag");
+ auto specificId = id.get<Parameter::Id::visualizerTag>();
+ auto specificTag = specificId.getTag();
+ switch (specificTag) {
+ case Visualizer::Id::commonTag: {
+ return getParameterVisualizer(specificId.get<Visualizer::Id::commonTag>(), specific);
+ }
+ case Visualizer::Id::getOnlyParamTag: {
+ return getOnlyParameter(specificId.get<Visualizer::Id::getOnlyParamTag>(), specific);
+ }
+ default: {
+ LOG(ERROR) << __func__ << " unsupported tag: " << toString(specificTag);
+ return ndk::ScopedAStatus::fromExceptionCodeWithMessage(EX_ILLEGAL_ARGUMENT,
+ "VisualizerTagNotSupported");
+ }
+ }
+ return ndk::ScopedAStatus::ok();
+}
+
+ndk::ScopedAStatus VisualizerImpl::getParameterVisualizer(const Visualizer::Tag& tag,
+ Parameter::Specific* specific) {
+ RETURN_IF(!mContext, EX_NULL_POINTER, "nullContext");
+
+ Visualizer param;
+ switch (tag) {
+ case Visualizer::captureSamples: {
+ param.set<Visualizer::captureSamples>(mContext->getCaptureSamples());
+ break;
+ }
+ case Visualizer::scalingMode: {
+ param.set<Visualizer::scalingMode>(mContext->getScalingMode());
+ break;
+ }
+ case Visualizer::measurementMode: {
+ param.set<Visualizer::measurementMode>(mContext->getMeasurementMode());
+ break;
+ }
+ default: {
+ LOG(ERROR) << __func__ << " unsupported tag: " << toString(tag);
+ return ndk::ScopedAStatus::fromExceptionCodeWithMessage(
+ EX_ILLEGAL_ARGUMENT, "VisualizerTagNotSupported");
+ }
+ }
+
+ specific->set<Parameter::Specific::visualizer>(param);
+ return ndk::ScopedAStatus::ok();
+}
+
+std::shared_ptr<EffectContext> VisualizerImpl::createContext(const Parameter::Common& common) {
+ if (mContext) {
+ LOG(DEBUG) << __func__ << " context already exist";
+ return mContext;
+ }
+
+ mContext = std::make_shared<VisualizerContext>(1 /* statusFmqDepth */, common);
+ mContext->initParams(common);
+ return mContext;
+}
+
+RetCode VisualizerImpl::releaseContext() {
+ if (mContext) {
+ mContext->disable();
+ mContext->resetBuffer();
+ }
+ return RetCode::SUCCESS;
+}
+
+// Processing method running in EffectWorker thread.
+IEffect::Status VisualizerImpl::effectProcessImpl(float* in, float* out, int samples) {
+ IEffect::Status status = {EX_NULL_POINTER, 0, 0};
+ RETURN_VALUE_IF(!mContext, status, "nullContext");
+ return mContext->process(in, out, samples);
+}
+
+} // namespace aidl::android::hardware::audio::effect