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      1 /*
      2  * Copyright (C) 2018 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 #ifndef ANDROID_HARDWARE_AUDIO_EFFECT_LOUDNESSENHANCEREFFECT_H
     18 #define ANDROID_HARDWARE_AUDIO_EFFECT_LOUDNESSENHANCEREFFECT_H
     19 
     20 #include PATH(android/hardware/audio/effect/FILE_VERSION/ILoudnessEnhancerEffect.h)
     21 
     22 #include "Effect.h"
     23 
     24 #include <hidl/Status.h>
     25 
     26 #include <hidl/MQDescriptor.h>
     27 
     28 #include "VersionUtils.h"
     29 
     30 namespace android {
     31 namespace hardware {
     32 namespace audio {
     33 namespace effect {
     34 namespace CPP_VERSION {
     35 namespace implementation {
     36 
     37 using ::android::sp;
     38 using ::android::hardware::hidl_string;
     39 using ::android::hardware::hidl_vec;
     40 using ::android::hardware::Return;
     41 using ::android::hardware::Void;
     42 using namespace ::android::hardware::audio::common::CPP_VERSION;
     43 using namespace ::android::hardware::audio::effect::CPP_VERSION;
     44 
     45 struct LoudnessEnhancerEffect : public ILoudnessEnhancerEffect {
     46     explicit LoudnessEnhancerEffect(effect_handle_t handle);
     47 
     48     // Methods from ::android::hardware::audio::effect::CPP_VERSION::IEffect follow.
     49     Return<Result> init() override;
     50     Return<Result> setConfig(
     51         const EffectConfig& config, const sp<IEffectBufferProviderCallback>& inputBufferProvider,
     52         const sp<IEffectBufferProviderCallback>& outputBufferProvider) override;
     53     Return<Result> reset() override;
     54     Return<Result> enable() override;
     55     Return<Result> disable() override;
     56     Return<Result> setDevice(AudioDeviceBitfield device) override;
     57     Return<void> setAndGetVolume(const hidl_vec<uint32_t>& volumes,
     58                                  setAndGetVolume_cb _hidl_cb) override;
     59     Return<Result> volumeChangeNotification(const hidl_vec<uint32_t>& volumes) override;
     60     Return<Result> setAudioMode(AudioMode mode) override;
     61     Return<Result> setConfigReverse(
     62         const EffectConfig& config, const sp<IEffectBufferProviderCallback>& inputBufferProvider,
     63         const sp<IEffectBufferProviderCallback>& outputBufferProvider) override;
     64     Return<Result> setInputDevice(AudioDeviceBitfield device) override;
     65     Return<void> getConfig(getConfig_cb _hidl_cb) override;
     66     Return<void> getConfigReverse(getConfigReverse_cb _hidl_cb) override;
     67     Return<void> getSupportedAuxChannelsConfigs(
     68         uint32_t maxConfigs, getSupportedAuxChannelsConfigs_cb _hidl_cb) override;
     69     Return<void> getAuxChannelsConfig(getAuxChannelsConfig_cb _hidl_cb) override;
     70     Return<Result> setAuxChannelsConfig(const EffectAuxChannelsConfig& config) override;
     71     Return<Result> setAudioSource(AudioSource source) override;
     72     Return<Result> offload(const EffectOffloadParameter& param) override;
     73     Return<void> getDescriptor(getDescriptor_cb _hidl_cb) override;
     74     Return<void> prepareForProcessing(prepareForProcessing_cb _hidl_cb) override;
     75     Return<Result> setProcessBuffers(const AudioBuffer& inBuffer,
     76                                      const AudioBuffer& outBuffer) override;
     77     Return<void> command(uint32_t commandId, const hidl_vec<uint8_t>& data, uint32_t resultMaxSize,
     78                          command_cb _hidl_cb) override;
     79     Return<Result> setParameter(const hidl_vec<uint8_t>& parameter,
     80                                 const hidl_vec<uint8_t>& value) override;
     81     Return<void> getParameter(const hidl_vec<uint8_t>& parameter, uint32_t valueMaxSize,
     82                               getParameter_cb _hidl_cb) override;
     83     Return<void> getSupportedConfigsForFeature(uint32_t featureId, uint32_t maxConfigs,
     84                                                uint32_t configSize,
     85                                                getSupportedConfigsForFeature_cb _hidl_cb) override;
     86     Return<void> getCurrentConfigForFeature(uint32_t featureId, uint32_t configSize,
     87                                             getCurrentConfigForFeature_cb _hidl_cb) override;
     88     Return<Result> setCurrentConfigForFeature(uint32_t featureId,
     89                                               const hidl_vec<uint8_t>& configData) override;
     90     Return<Result> close() override;
     91     Return<void> debug(const hidl_handle& fd, const hidl_vec<hidl_string>& options) override;
     92 
     93     // Methods from ::android::hardware::audio::effect::CPP_VERSION::ILoudnessEnhancerEffect
     94     // follow.
     95     Return<Result> setTargetGain(int32_t targetGainMb) override;
     96     Return<void> getTargetGain(getTargetGain_cb _hidl_cb) override;
     97 
     98    private:
     99     sp<Effect> mEffect;
    100 
    101     virtual ~LoudnessEnhancerEffect();
    102 };
    103 
    104 }  // namespace implementation
    105 }  // namespace CPP_VERSION
    106 }  // namespace effect
    107 }  // namespace audio
    108 }  // namespace hardware
    109 }  // namespace android
    110 
    111 #endif  // ANDROID_HARDWARE_AUDIO_EFFECT_LOUDNESSENHANCEREFFECT_H
    112