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/*
* 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.
*/
#include <algorithm>
#include <cstddef>
#define LOG_TAG "AHAL_EqualizerSw"
#include <android-base/logging.h>
#include <fmq/AidlMessageQueue.h>
#include <system/audio_effects/effect_uuid.h>
#include "EqualizerSw.h"
using aidl::android::hardware::audio::effect::Descriptor;
using aidl::android::hardware::audio::effect::EqualizerSw;
using aidl::android::hardware::audio::effect::getEffectImplUuidEqualizerSw;
using aidl::android::hardware::audio::effect::getEffectTypeUuidEqualizer;
using aidl::android::hardware::audio::effect::IEffect;
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 != getEffectImplUuidEqualizerSw()) {
LOG(ERROR) << __func__ << "uuid not supported";
return EX_ILLEGAL_ARGUMENT;
}
if (instanceSpp) {
*instanceSpp = ndk::SharedRefBase::make<EqualizerSw>();
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 != getEffectImplUuidEqualizerSw()) {
LOG(ERROR) << __func__ << "uuid not supported";
return EX_ILLEGAL_ARGUMENT;
}
*_aidl_return = EqualizerSw::kDesc;
return EX_NONE;
}
namespace aidl::android::hardware::audio::effect {
const std::string EqualizerSw::kEffectName = "EqualizerSw";
const std::vector<Equalizer::BandFrequency> EqualizerSw::kBandFrequency = {{0, 30000, 120000},
{1, 120001, 460000},
{2, 460001, 1800000},
{3, 1800001, 7000000},
{4, 7000001, 20000000}};
const std::vector<Equalizer::Preset> EqualizerSw::kPresets = {
{0, "Normal"}, {1, "Classical"}, {2, "Dance"}, {3, "Flat"}, {4, "Folk"},
{5, "Heavy Metal"}, {6, "Hip Hop"}, {7, "Jazz"}, {8, "Pop"}, {9, "Rock"}};
/**
* Use the same min and max to build a capability represented by Range.
*/
const std::vector<Range::EqualizerRange> EqualizerSw::kRanges = {
MAKE_RANGE(Equalizer, preset, 0, EqualizerSw::kPresets.size() - 1),
MAKE_RANGE(Equalizer, bandLevels,
std::vector<Equalizer::BandLevel>{
Equalizer::BandLevel({.index = 0, .levelMb = -15})},
std::vector<Equalizer::BandLevel>{Equalizer::BandLevel(
{.index = EqualizerSwContext::kMaxBandNumber - 1, .levelMb = 15})}),
/* capability definition */
MAKE_RANGE(Equalizer, bandFrequencies, EqualizerSw::kBandFrequency,
EqualizerSw::kBandFrequency),
MAKE_RANGE(Equalizer, presets, EqualizerSw::kPresets, EqualizerSw::kPresets),
/* centerFreqMh is get only, set invalid range min > max */
MAKE_RANGE(Equalizer, centerFreqMh, std::vector<int>({1}), std::vector<int>({0}))};
const Capability EqualizerSw::kEqCap = {.range = EqualizerSw::kRanges};
const Descriptor EqualizerSw::kDesc = {.common = {.id = {.type = getEffectTypeUuidEqualizer(),
.uuid = getEffectImplUuidEqualizerSw()},
.flags = {.type = Flags::Type::INSERT,
.insert = Flags::Insert::FIRST,
.volume = Flags::Volume::CTRL},
.name = EqualizerSw::kEffectName,
.implementor = "The Android Open Source Project"},
.capability = EqualizerSw::kEqCap};
ndk::ScopedAStatus EqualizerSw::getDescriptor(Descriptor* _aidl_return) {
LOG(DEBUG) << __func__ << kDesc.toString();
*_aidl_return = kDesc;
return ndk::ScopedAStatus::ok();
}
ndk::ScopedAStatus EqualizerSw::setParameterSpecific(const Parameter::Specific& specific) {
RETURN_IF(Parameter::Specific::equalizer != specific.getTag(), EX_ILLEGAL_ARGUMENT,
"EffectNotSupported");
RETURN_IF(!mContext, EX_NULL_POINTER, "nullContext");
auto& eqParam = specific.get<Parameter::Specific::equalizer>();
RETURN_IF(!inRange(eqParam, kRanges), EX_ILLEGAL_ARGUMENT, "outOfRange");
auto tag = eqParam.getTag();
switch (tag) {
case Equalizer::preset: {
RETURN_IF(mContext->setEqPreset(eqParam.get<Equalizer::preset>()) != RetCode::SUCCESS,
EX_ILLEGAL_ARGUMENT, "setBandLevelsFailed");
return ndk::ScopedAStatus::ok();
}
case Equalizer::bandLevels: {
RETURN_IF(mContext->setEqBandLevels(eqParam.get<Equalizer::bandLevels>()) !=
RetCode::SUCCESS,
EX_ILLEGAL_ARGUMENT, "setBandLevelsFailed");
return ndk::ScopedAStatus::ok();
}
default: {
LOG(ERROR) << __func__ << " unsupported tag: " << toString(tag);
return ndk::ScopedAStatus::fromExceptionCodeWithMessage(EX_ILLEGAL_ARGUMENT,
"EqTagNotSupported");
}
}
LOG(ERROR) << __func__ << " unsupported eq param tag: " << toString(tag);
return ndk::ScopedAStatus::fromExceptionCodeWithMessage(EX_ILLEGAL_ARGUMENT,
"ParamNotSupported");
}
ndk::ScopedAStatus EqualizerSw::getParameterSpecific(const Parameter::Id& id,
Parameter::Specific* specific) {
auto tag = id.getTag();
RETURN_IF(Parameter::Id::equalizerTag != tag, EX_ILLEGAL_ARGUMENT, "wrongIdTag");
auto eqId = id.get<Parameter::Id::equalizerTag>();
auto eqIdTag = eqId.getTag();
switch (eqIdTag) {
case Equalizer::Id::commonTag:
return getParameterEqualizer(eqId.get<Equalizer::Id::commonTag>(), specific);
default:
LOG(ERROR) << __func__ << " tag " << toString(eqIdTag) << " not supported";
return ndk::ScopedAStatus::fromExceptionCodeWithMessage(EX_ILLEGAL_ARGUMENT,
"EqualizerTagNotSupported");
}
}
ndk::ScopedAStatus EqualizerSw::getParameterEqualizer(const Equalizer::Tag& tag,
Parameter::Specific* specific) {
RETURN_IF(!mContext, EX_NULL_POINTER, "nullContext");
Equalizer eqParam;
switch (tag) {
case Equalizer::bandLevels: {
eqParam.set<Equalizer::bandLevels>(mContext->getEqBandLevels());
break;
}
case Equalizer::preset: {
eqParam.set<Equalizer::preset>(mContext->getEqPreset());
break;
}
case Equalizer::centerFreqMh: {
eqParam.set<Equalizer::centerFreqMh>(mContext->getCenterFreqs());
break;
}
case Equalizer::bandFrequencies: {
eqParam.set<Equalizer::bandFrequencies>(kBandFrequency);
break;
}
case Equalizer::presets: {
eqParam.set<Equalizer::presets>(kPresets);
break;
}
default: {
LOG(ERROR) << __func__ << " not handled tag: " << toString(tag);
return ndk::ScopedAStatus::fromExceptionCodeWithMessage(EX_ILLEGAL_ARGUMENT,
"unsupportedTag");
}
}
specific->set<Parameter::Specific::equalizer>(eqParam);
return ndk::ScopedAStatus::ok();
}
std::shared_ptr<EffectContext> EqualizerSw::createContext(const Parameter::Common& common) {
if (mContext) {
LOG(DEBUG) << __func__ << " context already exist";
} else {
mContext = std::make_shared<EqualizerSwContext>(1 /* statusFmqDepth */, common);
}
return mContext;
}
std::shared_ptr<EffectContext> EqualizerSw::getContext() {
return mContext;
}
RetCode EqualizerSw::releaseContext() {
if (mContext) {
mContext.reset();
}
return RetCode::SUCCESS;
}
// Processing method running in EffectWorker thread.
IEffect::Status EqualizerSw::effectProcessImpl(float* in, float* out, int samples) {
// TODO: get data buffer and process.
LOG(DEBUG) << __func__ << " in " << in << " out " << out << " samples " << samples;
for (int i = 0; i < samples; i++) {
*out++ = *in++;
}
return {STATUS_OK, samples, samples};
}
} // namespace aidl::android::hardware::audio::effect
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