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/*
* Copyright (C) 2023 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_SpatializerSw"
#include "SpatializerSw.h"
#include <android-base/logging.h>
#include <system/audio_effects/effect_uuid.h>
#include <optional>
using aidl::android::hardware::audio::common::getChannelCount;
using aidl::android::hardware::audio::effect::Descriptor;
using aidl::android::hardware::audio::effect::getEffectImplUuidSpatializerSw;
using aidl::android::hardware::audio::effect::getEffectTypeUuidSpatializer;
using aidl::android::hardware::audio::effect::IEffect;
using aidl::android::hardware::audio::effect::SpatializerSw;
using aidl::android::hardware::audio::effect::State;
using aidl::android::media::audio::common::AudioChannelLayout;
using aidl::android::media::audio::common::AudioUuid;
using aidl::android::media::audio::common::HeadTracking;
using aidl::android::media::audio::common::Spatialization;
extern "C" binder_exception_t createEffect(const AudioUuid* in_impl_uuid,
std::shared_ptr<IEffect>* instanceSpp) {
if (!in_impl_uuid || *in_impl_uuid != getEffectImplUuidSpatializerSw()) {
LOG(ERROR) << __func__ << "uuid not supported";
return EX_ILLEGAL_ARGUMENT;
}
if (!instanceSpp) {
LOG(ERROR) << __func__ << " invalid input parameter!";
return EX_ILLEGAL_ARGUMENT;
}
*instanceSpp = ndk::SharedRefBase::make<SpatializerSw>();
LOG(DEBUG) << __func__ << " instance " << instanceSpp->get() << " created";
return EX_NONE;
}
extern "C" binder_exception_t queryEffect(const AudioUuid* in_impl_uuid, Descriptor* _aidl_return) {
if (!in_impl_uuid || *in_impl_uuid != getEffectImplUuidSpatializerSw()) {
LOG(ERROR) << __func__ << "uuid not supported";
return EX_ILLEGAL_ARGUMENT;
}
*_aidl_return = SpatializerSw::kDescriptor;
return EX_NONE;
}
namespace aidl::android::hardware::audio::effect {
const std::string SpatializerSw::kEffectName = "SpatializerSw";
const std::vector<Range::SpatializerRange> SpatializerSw::kRanges = {
MAKE_RANGE(Spatializer, spatializationLevel, Spatialization::Level::NONE,
Spatialization::Level::BED_PLUS_OBJECTS),
MAKE_RANGE(Spatializer, spatializationMode, Spatialization::Mode::BINAURAL,
Spatialization::Mode::TRANSAURAL),
MAKE_RANGE(Spatializer, headTrackingSensorId, std::numeric_limits<int>::min(),
std::numeric_limits<int>::max()),
MAKE_RANGE(Spatializer, headTrackingMode, HeadTracking::Mode::OTHER,
HeadTracking::Mode::RELATIVE_SCREEN),
MAKE_RANGE(Spatializer, headTrackingConnectionMode,
HeadTracking::ConnectionMode::FRAMEWORK_PROCESSED,
HeadTracking::ConnectionMode::DIRECT_TO_SENSOR_TUNNEL)};
const Capability SpatializerSw::kCapability = {.range = {SpatializerSw::kRanges}};
const Descriptor SpatializerSw::kDescriptor = {
.common = {.id = {.type = getEffectTypeUuidSpatializer(),
.uuid = getEffectImplUuidSpatializerSw()},
.flags = {.type = Flags::Type::INSERT,
.insert = Flags::Insert::FIRST,
.hwAcceleratorMode = Flags::HardwareAccelerator::NONE},
.name = SpatializerSw::kEffectName,
.implementor = "The Android Open Source Project"},
.capability = SpatializerSw::kCapability};
ndk::ScopedAStatus SpatializerSw::getDescriptor(Descriptor* _aidl_return) {
LOG(DEBUG) << __func__ << kDescriptor.toString();
*_aidl_return = kDescriptor;
return ndk::ScopedAStatus::ok();
}
ndk::ScopedAStatus SpatializerSw::setParameterSpecific(const Parameter::Specific& specific) {
RETURN_IF(Parameter::Specific::spatializer != specific.getTag(), EX_ILLEGAL_ARGUMENT,
"EffectNotSupported");
RETURN_IF(!mContext, EX_NULL_POINTER, "nullContext");
auto& param = specific.get<Parameter::Specific::spatializer>();
RETURN_IF(!inRange(param, kRanges), EX_ILLEGAL_ARGUMENT, "outOfRange");
return mContext->setParam(param.getTag(), param);
}
ndk::ScopedAStatus SpatializerSw::getParameterSpecific(const Parameter::Id& id,
Parameter::Specific* specific) {
RETURN_IF(!mContext, EX_NULL_POINTER, "nullContext");
auto tag = id.getTag();
RETURN_IF(Parameter::Id::spatializerTag != tag, EX_ILLEGAL_ARGUMENT, "wrongIdTag");
auto spatializerId = id.get<Parameter::Id::spatializerTag>();
auto spatializerTag = spatializerId.getTag();
switch (spatializerTag) {
case Spatializer::Id::commonTag: {
auto specificTag = spatializerId.get<Spatializer::Id::commonTag>();
std::optional<Spatializer> param = mContext->getParam(specificTag);
if (!param.has_value()) {
return ndk::ScopedAStatus::fromExceptionCodeWithMessage(
EX_ILLEGAL_ARGUMENT, "SpatializerTagNotSupported");
}
specific->set<Parameter::Specific::spatializer>(param.value());
break;
}
default: {
LOG(ERROR) << __func__ << " unsupported tag: " << toString(tag);
return ndk::ScopedAStatus::fromExceptionCodeWithMessage(EX_ILLEGAL_ARGUMENT,
"SpatializerTagNotSupported");
}
}
return ndk::ScopedAStatus::ok();
}
std::shared_ptr<EffectContext> SpatializerSw::createContext(const Parameter::Common& common) {
if (mContext) {
LOG(DEBUG) << __func__ << " context already exist";
} else {
mContext = std::make_shared<SpatializerSwContext>(1 /* statusFmqDepth */, common);
}
return mContext;
}
RetCode SpatializerSw::releaseContext() {
if (mContext) {
mContext.reset();
}
return RetCode::SUCCESS;
}
SpatializerSw::~SpatializerSw() {
cleanUp();
LOG(DEBUG) << __func__;
}
// Processing method running in EffectWorker thread.
IEffect::Status SpatializerSw::effectProcessImpl(float* in, float* out, int samples) {
RETURN_VALUE_IF(!mContext, (IEffect::Status{EX_NULL_POINTER, 0, 0}), "nullContext");
return mContext->process(in, out, samples);
}
SpatializerSwContext::SpatializerSwContext(int statusDepth, const Parameter::Common& common)
: EffectContext(statusDepth, common) {
LOG(DEBUG) << __func__;
}
SpatializerSwContext::~SpatializerSwContext() {
LOG(DEBUG) << __func__;
}
template <typename TAG>
std::optional<Spatializer> SpatializerSwContext::getParam(TAG tag) {
if (mParamsMap.find(tag) != mParamsMap.end()) {
return mParamsMap.at(tag);
}
if (tag == Spatializer::supportedChannelLayout) {
return Spatializer::make<Spatializer::supportedChannelLayout>(
{AudioChannelLayout::make<AudioChannelLayout::layoutMask>(
AudioChannelLayout::LAYOUT_5POINT1)});
}
return std::nullopt;
}
template <typename TAG>
ndk::ScopedAStatus SpatializerSwContext::setParam(TAG tag, Spatializer spatializer) {
RETURN_IF(tag == Spatializer::supportedChannelLayout, EX_ILLEGAL_ARGUMENT,
"supportedChannelLayoutGetOnly");
mParamsMap[tag] = spatializer;
return ndk::ScopedAStatus::ok();
}
IEffect::Status SpatializerSwContext::process(float* in, float* out, int samples) {
LOG(DEBUG) << __func__ << " in " << in << " out " << out << " samples " << samples;
IEffect::Status status = {EX_ILLEGAL_ARGUMENT, 0, 0};
const auto inputChannelCount = getChannelCount(mCommon.input.base.channelMask);
const auto outputChannelCount = getChannelCount(mCommon.output.base.channelMask);
if (outputChannelCount < 2 || inputChannelCount < outputChannelCount) {
LOG(ERROR) << __func__ << " invalid channel count, in: " << inputChannelCount
<< " out: " << outputChannelCount;
return status;
}
int iFrames = samples / inputChannelCount;
for (int i = 0; i < iFrames; i++) {
std::memcpy(out, in, outputChannelCount);
in += inputChannelCount;
out += outputChannelCount;
}
return {STATUS_OK, static_cast<int32_t>(iFrames * inputChannelCount),
static_cast<int32_t>(iFrames * outputChannelCount)};
}
} // namespace aidl::android::hardware::audio::effect