PreProcessing : Add libeffect pre-processing effects implementation

        "libwebrtc_absl_headers",

    ],

}

cc_library_shared {

    name: "libpreprocessingaidl",

    srcs: [

        "aidl/PreProcessingContext.cpp",

        "aidl/EffectPreProcessing.cpp",

        ":effectCommonFile",

    ],

    defaults: [

        "aidlaudioservice_defaults",

        "latest_android_hardware_audio_effect_ndk_shared",

        "latest_android_media_audio_common_types_ndk_shared",

    ],

    local_include_dirs: ["aidl"],

    shared_libs: [

        "liblog",

        "libutils",

        "libaudioutils",

    ],

    static_libs: [

        "webrtc_audio_processing",

    ],

    header_libs: [

        "libwebrtc_absl_headers",

        "libaudioeffects",

        "libhardware_headers",

    ],

    cflags: [

        "-Wthread-safety",

        "-Wno-unused-parameter",

    ],

    relative_install_path: "soundfx",

    visibility: [

        "//hardware/interfaces/audio/aidl/default",

    ],

}

/*

 * 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.

 */

#pragma once

#include <aidl/android/hardware/audio/effect/BnEffect.h>

#include "PreProcessingContext.h"

#include "PreProcessingSession.h"

#include "effect-impl/EffectImpl.h"

namespace aidl::android::hardware::audio::effect {

class EffectPreProcessing final : public EffectImpl {

  public:

    explicit EffectPreProcessing(const AudioUuid& uuid);

    ~EffectPreProcessing() override;

    ndk::ScopedAStatus getDescriptor(Descriptor* _aidl_return) override;

    ndk::ScopedAStatus setParameterSpecific(const Parameter::Specific& specific) override;

    ndk::ScopedAStatus getParameterSpecific(const Parameter::Id& id,

                                            Parameter::Specific* specific) override;

    std::shared_ptr<EffectContext> createContext(const Parameter::Common& common) override;

    std::shared_ptr<EffectContext> getContext() override;

    RetCode releaseContext() override;

    IEffect::Status effectProcessImpl(float* in, float* out, int samples) override;

    ndk::ScopedAStatus commandImpl(CommandId command) override;

    std::string getEffectName() override { return *mEffectName; }

  private:

    std::shared_ptr<PreProcessingContext> mContext;

    const Descriptor* mDescriptor;

    const std::string* mEffectName;

    PreProcessingEffectType mType;

    ndk::ScopedAStatus setParameterAcousticEchoCanceler(const Parameter::Specific& specific);

    ndk::ScopedAStatus getParameterAcousticEchoCanceler(const AcousticEchoCanceler::Id& id,

                                                        Parameter::Specific* specific);

    ndk::ScopedAStatus setParameterAutomaticGainControlV1(const Parameter::Specific& specific);

    ndk::ScopedAStatus getParameterAutomaticGainControlV1(const AutomaticGainControlV1::Id& id,

                                                          Parameter::Specific* specific);

    ndk::ScopedAStatus setParameterAutomaticGainControlV2(const Parameter::Specific& specific);

    ndk::ScopedAStatus getParameterAutomaticGainControlV2(const AutomaticGainControlV2::Id& id,

                                                          Parameter::Specific* specific);

    ndk::ScopedAStatus setParameterNoiseSuppression(const Parameter::Specific& specific);

    ndk::ScopedAStatus getParameterNoiseSuppression(const NoiseSuppression::Id& id,

                                                    Parameter::Specific* specific);

};

}  // namespace aidl::android::hardware::audio::effect