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