audio/effect/2.0/default/VirtualizerEffect.h

/*
 * Copyright (C) 2016 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.
 */

#ifndef ANDROID_HARDWARE_AUDIO_EFFECT_V2_0_VIRTUALIZEREFFECT_H
#define ANDROID_HARDWARE_AUDIO_EFFECT_V2_0_VIRTUALIZEREFFECT_H

#include <android/hardware/audio/effect/2.0/IVirtualizerEffect.h>
#include <hidl/Status.h>

#include <hidl/MQDescriptor.h>

#include "Effect.h"

namespace android {
namespace hardware {
namespace audio {
namespace effect {
namespace V2_0 {
namespace implementation {

using ::android::hardware::audio::common::V2_0::AudioChannelMask;
using ::android::hardware::audio::common::V2_0::AudioDevice;
using ::android::hardware::audio::common::V2_0::AudioMode;
using ::android::hardware::audio::common::V2_0::AudioSource;
using ::android::hardware::audio::effect::V2_0::AudioBuffer;
using ::android::hardware::audio::effect::V2_0::EffectAuxChannelsConfig;
using ::android::hardware::audio::effect::V2_0::EffectConfig;
using ::android::hardware::audio::effect::V2_0::EffectDescriptor;
using ::android::hardware::audio::effect::V2_0::EffectOffloadParameter;
using ::android::hardware::audio::effect::V2_0::IEffect;
using ::android::hardware::audio::effect::V2_0::IEffectBufferProviderCallback;
using ::android::hardware::audio::effect::V2_0::IVirtualizerEffect;
using ::android::hardware::audio::effect::V2_0::Result;
using ::android::hardware::Return;
using ::android::hardware::Void;
using ::android::hardware::hidl_vec;
using ::android::hardware::hidl_string;
using ::android::sp;

struct VirtualizerEffect : public IVirtualizerEffect {
    explicit VirtualizerEffect(effect_handle_t handle);

    // Methods from ::android::hardware::audio::effect::V2_0::IEffect follow.
    Return<Result> init() override;
    Return<Result> setConfig(
        const EffectConfig& config, const sp<IEffectBufferProviderCallback>& inputBufferProvider,
        const sp<IEffectBufferProviderCallback>& outputBufferProvider) override;
    Return<Result> reset() override;
    Return<Result> enable() override;
    Return<Result> disable() override;
    Return<Result> setDevice(AudioDevice device) override;
    Return<void> setAndGetVolume(const hidl_vec<uint32_t>& volumes,
                                 setAndGetVolume_cb _hidl_cb) override;
    Return<Result> volumeChangeNotification(const hidl_vec<uint32_t>& volumes) override;
    Return<Result> setAudioMode(AudioMode mode) override;
    Return<Result> setConfigReverse(
        const EffectConfig& config, const sp<IEffectBufferProviderCallback>& inputBufferProvider,
        const sp<IEffectBufferProviderCallback>& outputBufferProvider) override;
    Return<Result> setInputDevice(AudioDevice device) override;
    Return<void> getConfig(getConfig_cb _hidl_cb) override;
    Return<void> getConfigReverse(getConfigReverse_cb _hidl_cb) override;
    Return<void> getSupportedAuxChannelsConfigs(
        uint32_t maxConfigs, getSupportedAuxChannelsConfigs_cb _hidl_cb) override;
    Return<void> getAuxChannelsConfig(getAuxChannelsConfig_cb _hidl_cb) override;
    Return<Result> setAuxChannelsConfig(const EffectAuxChannelsConfig& config) override;
    Return<Result> setAudioSource(AudioSource source) override;
    Return<Result> offload(const EffectOffloadParameter& param) override;
    Return<void> getDescriptor(getDescriptor_cb _hidl_cb) override;
    Return<void> prepareForProcessing(prepareForProcessing_cb _hidl_cb) override;
    Return<Result> setProcessBuffers(const AudioBuffer& inBuffer,
                                     const AudioBuffer& outBuffer) override;
    Return<void> command(uint32_t commandId, const hidl_vec<uint8_t>& data, uint32_t resultMaxSize,
                         command_cb _hidl_cb) override;
    Return<Result> setParameter(const hidl_vec<uint8_t>& parameter,
                                const hidl_vec<uint8_t>& value) override;
    Return<void> getParameter(const hidl_vec<uint8_t>& parameter, uint32_t valueMaxSize,
                              getParameter_cb _hidl_cb) override;
    Return<void> getSupportedConfigsForFeature(uint32_t featureId, uint32_t maxConfigs,
                                               uint32_t configSize,
                                               getSupportedConfigsForFeature_cb _hidl_cb) override;
    Return<void> getCurrentConfigForFeature(uint32_t featureId, uint32_t configSize,
                                            getCurrentConfigForFeature_cb _hidl_cb) override;
    Return<Result> setCurrentConfigForFeature(uint32_t featureId,
                                              const hidl_vec<uint8_t>& configData) override;
    Return<Result> close() override;

    // Methods from ::android::hardware::audio::effect::V2_0::IVirtualizerEffect follow.
    Return<bool> isStrengthSupported() override;
    Return<Result> setStrength(uint16_t strength) override;
    Return<void> getStrength(getStrength_cb _hidl_cb) override;
    Return<void> getVirtualSpeakerAngles(AudioChannelMask mask, AudioDevice device,
                                         getVirtualSpeakerAngles_cb _hidl_cb) override;
    Return<Result> forceVirtualizationMode(AudioDevice device) override;
    Return<void> getVirtualizationMode(getVirtualizationMode_cb _hidl_cb) override;

   private:
    sp<Effect> mEffect;

    virtual ~VirtualizerEffect();

    void speakerAnglesFromHal(const int32_t* halAngles, uint32_t channelCount,
                              hidl_vec<SpeakerAngle>& speakerAngles);
};

}  // namespace implementation
}  // namespace V2_0
}  // namespace effect
}  // namespace audio
}  // namespace hardware
}  // namespace android

#endif  // ANDROID_HARDWARE_AUDIO_EFFECT_V2_0_VIRTUALIZEREFFECT_H