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/*
* Copyright (C) 2014 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_SOUNDTRIGGER_H
#define ANDROID_HARDWARE_SOUNDTRIGGER_H
#include <binder/IBinder.h>
#include <utils/threads.h>
#include <soundtrigger/SoundTriggerCallback.h>
#include <soundtrigger/ISoundTrigger.h>
#include <soundtrigger/ISoundTriggerHwService.h>
#include <soundtrigger/ISoundTriggerClient.h>
#include <system/sound_trigger.h>
namespace android {
class MemoryDealer;
class SoundTrigger : public BnSoundTriggerClient,
public IBinder::DeathRecipient
{
public:
virtual ~SoundTrigger();
static status_t listModules(struct sound_trigger_module_descriptor *modules,
uint32_t *numModules);
static sp<SoundTrigger> attach(const sound_trigger_module_handle_t module,
const sp<SoundTriggerCallback>& callback);
static status_t setCaptureState(bool active);
void detach();
status_t loadSoundModel(const sp<IMemory>& modelMemory,
sound_model_handle_t *handle);
status_t unloadSoundModel(sound_model_handle_t handle);
status_t startRecognition(sound_model_handle_t handle, const sp<IMemory>& dataMemory);
status_t stopRecognition(sound_model_handle_t handle);
// BpSoundTriggerClient
virtual void onRecognitionEvent(const sp<IMemory>& eventMemory);
virtual void onSoundModelEvent(const sp<IMemory>& eventMemory);
virtual void onServiceStateChange(const sp<IMemory>& eventMemory);
//IBinder::DeathRecipient
virtual void binderDied(const wp<IBinder>& who);
static status_t stringToGuid(const char *str, sound_trigger_uuid_t *guid);
static status_t guidToString(const sound_trigger_uuid_t *guid,
char *str, size_t maxLen);
private:
SoundTrigger(sound_trigger_module_handle_t module,
const sp<SoundTriggerCallback>&);
static const sp<ISoundTriggerHwService>& getSoundTriggerHwService();
Mutex mLock;
sp<ISoundTrigger> mISoundTrigger;
const sound_trigger_module_handle_t mModule;
sp<SoundTriggerCallback> mCallback;
};
}; // namespace android
#endif //ANDROID_HARDWARE_SOUNDTRIGGER_H
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