217 lines
8.6 KiB
C++
217 lines
8.6 KiB
C++
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/*
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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_DownmixImpl"
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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 "EffectDownmix.h"
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using aidl::android::hardware::audio::effect::Descriptor;
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using aidl::android::hardware::audio::effect::DownmixImpl;
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using aidl::android::hardware::audio::effect::getEffectImplUuidDownmix;
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using aidl::android::hardware::audio::effect::getEffectTypeUuidDownmix;
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using aidl::android::hardware::audio::effect::IEffect;
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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 != getEffectImplUuidDownmix()) {
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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<DownmixImpl>();
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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 != getEffectImplUuidDownmix()) {
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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 = DownmixImpl::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 DownmixImpl::kEffectName = "Multichannel Downmix To Stereo";
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const Descriptor DownmixImpl::kDescriptor = {
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.common = {.id = {.type = getEffectTypeUuidDownmix(),
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.uuid = getEffectImplUuidDownmix(),
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.proxy = std::nullopt},
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.flags = {.type = Flags::Type::INSERT, .insert = Flags::Insert::FIRST},
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.name = DownmixImpl::kEffectName,
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.implementor = "The Android Open Source Project"}};
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ndk::ScopedAStatus DownmixImpl::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 DownmixImpl::setParameterCommon(const Parameter& param) {
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RETURN_IF(!mContext, EX_NULL_POINTER, "nullContext");
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auto tag = param.getTag();
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switch (tag) {
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case Parameter::common:
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RETURN_IF(mContext->setCommon(param.get<Parameter::common>()) != RetCode::SUCCESS,
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EX_ILLEGAL_ARGUMENT, "setCommFailed");
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break;
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case Parameter::deviceDescription:
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RETURN_IF(mContext->setOutputDevice(param.get<Parameter::deviceDescription>()) !=
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RetCode::SUCCESS,
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EX_ILLEGAL_ARGUMENT, "setDeviceFailed");
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break;
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case Parameter::mode:
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RETURN_IF(mContext->setAudioMode(param.get<Parameter::mode>()) != RetCode::SUCCESS,
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EX_ILLEGAL_ARGUMENT, "setModeFailed");
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break;
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case Parameter::source:
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RETURN_IF(mContext->setAudioSource(param.get<Parameter::source>()) != RetCode::SUCCESS,
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EX_ILLEGAL_ARGUMENT, "setSourceFailed");
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break;
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case Parameter::volumeStereo:
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RETURN_IF(mContext->setVolumeStereo(param.get<Parameter::volumeStereo>()) !=
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RetCode::SUCCESS,
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EX_ILLEGAL_ARGUMENT, "setVolumeStereoFailed");
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break;
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default: {
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LOG(ERROR) << __func__ << " unsupportedParameterTag " << toString(tag);
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return ndk::ScopedAStatus::fromExceptionCodeWithMessage(EX_ILLEGAL_ARGUMENT,
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"commonParamNotSupported");
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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 DownmixImpl::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->reset();
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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 DownmixImpl::setParameterSpecific(const Parameter::Specific& specific) {
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RETURN_IF(Parameter::Specific::downmix != 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& dmParam = specific.get<Parameter::Specific::downmix>();
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auto tag = dmParam.getTag();
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switch (tag) {
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case Downmix::type: {
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RETURN_IF(mContext->setDmType(dmParam.get<Downmix::type>()) != RetCode::SUCCESS,
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EX_ILLEGAL_ARGUMENT, "setTypeFailed");
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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(EX_ILLEGAL_ARGUMENT,
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"DownmixTagNotSupported");
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}
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}
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}
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ndk::ScopedAStatus DownmixImpl::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::downmixTag != tag, EX_ILLEGAL_ARGUMENT, "wrongIdTag");
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auto dmId = id.get<Parameter::Id::downmixTag>();
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auto dmIdTag = dmId.getTag();
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switch (dmIdTag) {
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case Downmix::Id::commonTag:
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return getParameterDownmix(dmId.get<Downmix::Id::commonTag>(), specific);
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default:
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LOG(ERROR) << __func__ << " unsupported tag: " << toString(dmIdTag);
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return ndk::ScopedAStatus::fromExceptionCodeWithMessage(EX_ILLEGAL_ARGUMENT,
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"DownmixTagNotSupported");
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}
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}
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ndk::ScopedAStatus DownmixImpl::getParameterDownmix(const Downmix::Tag& tag,
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Parameter::Specific* specific) {
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RETURN_IF(!mContext, EX_NULL_POINTER, "nullContext");
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Downmix dmParam;
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switch (tag) {
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case Downmix::type: {
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dmParam.set<Downmix::type>(mContext->getDmType());
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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(EX_ILLEGAL_ARGUMENT,
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"DownmixTagNotSupported");
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}
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}
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specific->set<Parameter::Specific::downmix>(dmParam);
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return ndk::ScopedAStatus::ok();
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}
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std::shared_ptr<EffectContext> DownmixImpl::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<DownmixContext>(1 /* statusFmqDepth */, common);
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return mContext;
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}
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RetCode DownmixImpl::releaseContext() {
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if (mContext) {
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mContext.reset();
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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 DownmixImpl::effectProcessImpl(float* in, float* out, int sampleToProcess) {
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if (!mContext) {
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LOG(ERROR) << __func__ << " nullContext";
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return {EX_NULL_POINTER, 0, 0};
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}
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return mContext->lvmProcess(in, out, sampleToProcess);
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}
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} // namespace aidl::android::hardware::audio::effect
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