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      1 /*
      2  * Copyright (C) 2016 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 package android.hardware.audio.effect@2.0;
     18 
     19 import android.hardware.audio.common@2.0;
     20 import IEffect;
     21 
     22 interface INoiseSuppressionEffect extends IEffect {
     23     enum Level : int32_t {
     24         LOW,
     25         MEDIUM,
     26         HIGH
     27     };
     28 
     29     /**
     30      * Sets suppression level.
     31      */
     32     setSuppressionLevel(Level level) generates (Result retval);
     33 
     34     /**
     35      * Gets suppression level.
     36      */
     37     getSuppressionLevel() generates (Result retval, Level level);
     38 
     39     enum Type : int32_t {
     40         SINGLE_CHANNEL,
     41         MULTI_CHANNEL
     42     };
     43 
     44     /**
     45      * Set suppression type.
     46      */
     47     setSuppressionType(Type type) generates (Result retval);
     48 
     49     /**
     50      * Get suppression type.
     51      */
     52     getSuppressionType() generates (Result retval, Type type);
     53 
     54     struct AllProperties {
     55         Level level;
     56         Type type;
     57     };
     58 
     59     /**
     60      * Sets all properties at once.
     61      */
     62     setAllProperties(AllProperties properties) generates (Result retval);
     63 
     64     /**
     65      * Gets all properties at once.
     66      */
     67     getAllProperties() generates (Result retval, AllProperties properties);
     68 };
     69