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      1 /*
      2  * Copyright (C) 2014 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_ISOUNDTRIGGER_H
     18 #define ANDROID_HARDWARE_ISOUNDTRIGGER_H
     19 
     20 #include <utils/RefBase.h>
     21 #include <binder/IInterface.h>
     22 #include <binder/Parcel.h>
     23 #include <binder/IMemory.h>
     24 #include <system/sound_trigger.h>
     25 
     26 namespace android {
     27 
     28 class ISoundTrigger : public IInterface
     29 {
     30 public:
     31     DECLARE_META_INTERFACE(SoundTrigger);
     32 
     33     virtual void detach() = 0;
     34 
     35     virtual status_t loadSoundModel(const sp<IMemory>& modelMemory,
     36                                     sound_model_handle_t *handle) = 0;
     37 
     38     virtual status_t unloadSoundModel(sound_model_handle_t handle) = 0;
     39 
     40     virtual status_t startRecognition(sound_model_handle_t handle,
     41                                       const sp<IMemory>& dataMemory) = 0;
     42     virtual status_t stopRecognition(sound_model_handle_t handle) = 0;
     43     virtual status_t getModelState(sound_model_handle_t handle) = 0;
     44 
     45 };
     46 
     47 // ----------------------------------------------------------------------------
     48 
     49 class BnSoundTrigger: public BnInterface<ISoundTrigger>
     50 {
     51 public:
     52     virtual status_t    onTransact( uint32_t code,
     53                                     const Parcel& data,
     54                                     Parcel* reply,
     55                                     uint32_t flags = 0);
     56 };
     57 
     58 }; // namespace android
     59 
     60 #endif //ANDROID_HARDWARE_ISOUNDTRIGGER_H
     61