238 lines
9.8 KiB
C++
238 lines
9.8 KiB
C++
/*
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* Copyright (C) 2022 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#define LOG_TAG "AHAL_VisualizerLibEffects"
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#include <android-base/logging.h>
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#include <system/audio_effects/effect_uuid.h>
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#include "Visualizer.h"
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using aidl::android::hardware::audio::effect::Descriptor;
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using aidl::android::hardware::audio::effect::getEffectImplUuidVisualizer;
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using aidl::android::hardware::audio::effect::getEffectTypeUuidVisualizer;
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using aidl::android::hardware::audio::effect::IEffect;
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using aidl::android::hardware::audio::effect::State;
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using aidl::android::hardware::audio::effect::VisualizerImpl;
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using aidl::android::media::audio::common::AudioUuid;
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extern "C" binder_exception_t createEffect(const AudioUuid* in_impl_uuid,
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std::shared_ptr<IEffect>* instanceSpp) {
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if (!in_impl_uuid || *in_impl_uuid != getEffectImplUuidVisualizer()) {
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LOG(ERROR) << __func__ << "uuid not supported";
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return EX_ILLEGAL_ARGUMENT;
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}
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if (instanceSpp) {
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*instanceSpp = ndk::SharedRefBase::make<VisualizerImpl>();
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LOG(DEBUG) << __func__ << " instance " << instanceSpp->get() << " created";
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return EX_NONE;
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} else {
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LOG(ERROR) << __func__ << " invalid input parameter!";
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return EX_ILLEGAL_ARGUMENT;
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}
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}
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extern "C" binder_exception_t queryEffect(const AudioUuid* in_impl_uuid, Descriptor* _aidl_return) {
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if (!in_impl_uuid || *in_impl_uuid != getEffectImplUuidVisualizer()) {
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LOG(ERROR) << __func__ << "uuid not supported";
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return EX_ILLEGAL_ARGUMENT;
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}
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*_aidl_return = VisualizerImpl::kDescriptor;
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return EX_NONE;
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}
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namespace aidl::android::hardware::audio::effect {
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const std::string VisualizerImpl::kEffectName = "Visualizer";
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const std::vector<Range::VisualizerRange> VisualizerImpl::kRanges = {
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MAKE_RANGE(Visualizer, latencyMs, 0, VisualizerContext::kMaxLatencyMs),
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MAKE_RANGE(Visualizer, captureSamples, 0, VisualizerContext::kMaxCaptureBufSize),
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/* get only parameters, set invalid range (min > max) to indicate not support set */
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MAKE_RANGE(Visualizer, measurement, Visualizer::Measurement({.peak = 1, .rms = 1}),
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Visualizer::Measurement({.peak = 0, .rms = 0})),
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MAKE_RANGE(Visualizer, captureSampleBuffer, std::vector<uint8_t>({1}),
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std::vector<uint8_t>({0}))};
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const Capability VisualizerImpl::kCapability = {
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.range = Range::make<Range::visualizer>(VisualizerImpl::kRanges)};
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const Descriptor VisualizerImpl::kDescriptor = {
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.common = {.id = {.type = getEffectTypeUuidVisualizer(),
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.uuid = getEffectImplUuidVisualizer(),
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.proxy = std::nullopt},
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.flags = {.type = Flags::Type::INSERT,
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.insert = Flags::Insert::LAST,
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.volume = Flags::Volume::CTRL},
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.name = VisualizerImpl::kEffectName,
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.implementor = "The Android Open Source Project"},
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.capability = VisualizerImpl::kCapability};
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ndk::ScopedAStatus VisualizerImpl::getDescriptor(Descriptor* _aidl_return) {
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RETURN_IF(!_aidl_return, EX_ILLEGAL_ARGUMENT, "Parameter:nullptr");
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LOG(DEBUG) << __func__ << kDescriptor.toString();
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*_aidl_return = kDescriptor;
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return ndk::ScopedAStatus::ok();
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}
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ndk::ScopedAStatus VisualizerImpl::commandImpl(CommandId command) {
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RETURN_IF(!mContext, EX_NULL_POINTER, "nullContext");
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switch (command) {
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case CommandId::START:
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mContext->enable();
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break;
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case CommandId::STOP:
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mContext->disable();
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break;
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case CommandId::RESET:
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mContext->disable();
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mContext->resetBuffer();
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break;
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default:
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LOG(ERROR) << __func__ << " commandId " << toString(command) << " not supported";
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return ndk::ScopedAStatus::fromExceptionCodeWithMessage(EX_ILLEGAL_ARGUMENT,
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"commandIdNotSupported");
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}
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return ndk::ScopedAStatus::ok();
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}
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ndk::ScopedAStatus VisualizerImpl::setParameterSpecific(const Parameter::Specific& specific) {
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RETURN_IF(Parameter::Specific::visualizer != specific.getTag(), EX_ILLEGAL_ARGUMENT,
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"EffectNotSupported");
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RETURN_IF(!mContext, EX_NULL_POINTER, "nullContext");
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auto& param = specific.get<Parameter::Specific::visualizer>();
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RETURN_IF(!inRange(param, kRanges), EX_ILLEGAL_ARGUMENT, "outOfRange");
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const auto tag = param.getTag();
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switch (tag) {
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case Visualizer::captureSamples: {
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RETURN_IF(mContext->setCaptureSamples(param.get<Visualizer::captureSamples>()) !=
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RetCode::SUCCESS,
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EX_ILLEGAL_ARGUMENT, "setCaptureSizeFailed");
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return ndk::ScopedAStatus::ok();
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}
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case Visualizer::scalingMode: {
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RETURN_IF(mContext->setScalingMode(param.get<Visualizer::scalingMode>()) !=
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RetCode::SUCCESS,
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EX_ILLEGAL_ARGUMENT, "setScalingModeFailed");
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return ndk::ScopedAStatus::ok();
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}
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case Visualizer::measurementMode: {
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RETURN_IF(mContext->setMeasurementMode(param.get<Visualizer::measurementMode>()) !=
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RetCode::SUCCESS,
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EX_ILLEGAL_ARGUMENT, "setMeasurementModeFailed");
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return ndk::ScopedAStatus::ok();
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}
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case Visualizer::latencyMs: {
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RETURN_IF(mContext->setDownstreamLatency(param.get<Visualizer::latencyMs>()) !=
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RetCode::SUCCESS,
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EX_ILLEGAL_ARGUMENT, "setLatencyFailed");
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return ndk::ScopedAStatus::ok();
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}
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default: {
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LOG(ERROR) << __func__ << " unsupported tag: " << toString(tag);
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return ndk::ScopedAStatus::fromExceptionCodeWithMessage(
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EX_ILLEGAL_ARGUMENT, "VisualizerTagNotSupported");
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}
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}
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}
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ndk::ScopedAStatus VisualizerImpl::getParameterSpecific(const Parameter::Id& id,
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Parameter::Specific* specific) {
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RETURN_IF(!specific, EX_NULL_POINTER, "nullPtr");
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auto tag = id.getTag();
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RETURN_IF(Parameter::Id::visualizerTag != tag, EX_ILLEGAL_ARGUMENT, "wrongIdTag");
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auto specificId = id.get<Parameter::Id::visualizerTag>();
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auto specificTag = specificId.getTag();
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switch (specificTag) {
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case Visualizer::Id::commonTag: {
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return getParameterVisualizer(specificId.get<Visualizer::Id::commonTag>(), specific);
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}
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default: {
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LOG(ERROR) << __func__ << " unsupported tag: " << toString(specificTag);
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return ndk::ScopedAStatus::fromExceptionCodeWithMessage(EX_ILLEGAL_ARGUMENT,
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"VisualizerTagNotSupported");
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}
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}
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return ndk::ScopedAStatus::ok();
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}
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ndk::ScopedAStatus VisualizerImpl::getParameterVisualizer(const Visualizer::Tag& tag,
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Parameter::Specific* specific) {
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RETURN_IF(!mContext, EX_NULL_POINTER, "nullContext");
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Visualizer param;
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switch (tag) {
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case Visualizer::captureSamples: {
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param.set<Visualizer::captureSamples>(mContext->getCaptureSamples());
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break;
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}
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case Visualizer::scalingMode: {
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param.set<Visualizer::scalingMode>(mContext->getScalingMode());
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break;
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}
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case Visualizer::measurementMode: {
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param.set<Visualizer::measurementMode>(mContext->getMeasurementMode());
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break;
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}
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case Visualizer::measurement: {
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param.set<Visualizer::measurement>(mContext->getMeasure());
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break;
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}
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case Visualizer::captureSampleBuffer: {
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param.set<Visualizer::captureSampleBuffer>(mContext->capture());
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break;
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}
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case Visualizer::latencyMs: {
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param.set<Visualizer::latencyMs>(mContext->getDownstreamLatency());
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break;
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}
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default: {
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LOG(ERROR) << __func__ << " unsupported tag: " << toString(tag);
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return ndk::ScopedAStatus::fromExceptionCodeWithMessage(
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EX_ILLEGAL_ARGUMENT, "VisualizerTagNotSupported");
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}
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}
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specific->set<Parameter::Specific::visualizer>(param);
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return ndk::ScopedAStatus::ok();
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}
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std::shared_ptr<EffectContext> VisualizerImpl::createContext(const Parameter::Common& common) {
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if (mContext) {
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LOG(DEBUG) << __func__ << " context already exist";
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return mContext;
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}
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mContext = std::make_shared<VisualizerContext>(1 /* statusFmqDepth */, common);
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mContext->initParams(common);
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return mContext;
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}
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RetCode VisualizerImpl::releaseContext() {
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if (mContext) {
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mContext->disable();
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mContext->resetBuffer();
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}
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return RetCode::SUCCESS;
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}
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// Processing method running in EffectWorker thread.
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IEffect::Status VisualizerImpl::effectProcessImpl(float* in, float* out, int samples) {
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IEffect::Status status = {EX_NULL_POINTER, 0, 0};
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RETURN_VALUE_IF(!mContext, status, "nullContext");
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return mContext->process(in, out, samples);
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}
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} // namespace aidl::android::hardware::audio::effect
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