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/*
* Copyright (C) 2008 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_HAL_SERVICE_H
#define ANDROID_HARDWARE_SOUNDTRIGGER_HAL_SERVICE_H
#include <utils/Vector.h>
//#include <binder/AppOpsManager.h>
#include <binder/MemoryDealer.h>
#include <binder/BinderService.h>
#include <binder/IAppOpsCallback.h>
#include <soundtrigger/ISoundTriggerHwService.h>
#include <soundtrigger/ISoundTrigger.h>
#include <soundtrigger/ISoundTriggerClient.h>
#include <system/sound_trigger.h>
#include <hardware/sound_trigger.h>
namespace android {
class MemoryHeapBase;
class SoundTriggerHwService :
public BinderService<SoundTriggerHwService>,
public BnSoundTriggerHwService
{
friend class BinderService<SoundTriggerHwService>;
public:
class Module;
static char const* getServiceName() { return "media.sound_trigger_hw"; }
SoundTriggerHwService();
virtual ~SoundTriggerHwService();
// ISoundTriggerHwService
virtual status_t listModules(struct sound_trigger_module_descriptor *modules,
uint32_t *numModules);
virtual status_t attach(const sound_trigger_module_handle_t handle,
const sp<ISoundTriggerClient>& client,
sp<ISoundTrigger>& module);
virtual status_t onTransact(uint32_t code, const Parcel& data,
Parcel* reply, uint32_t flags);
virtual status_t dump(int fd, const Vector<String16>& args);
class Model : public RefBase {
public:
enum {
STATE_IDLE,
STATE_ACTIVE
};
Model(sound_model_handle_t handle);
~Model() {}
sp<IMemory> allocateMemory(size_t size);
void deallocateMemory();
sound_model_handle_t mHandle;
int mState;
audio_io_handle_t mInputHandle;
audio_session_t mCaptureSession;
sp<MemoryDealer> mMemoryDealer;
};
class Module : public virtual RefBase,
public BnSoundTrigger,
public IBinder::DeathRecipient {
public:
Module(const sp<SoundTriggerHwService>& service,
sound_trigger_hw_device* hwDevice,
sound_trigger_module_descriptor descriptor,
const sp<ISoundTriggerClient>& client);
virtual ~Module();
virtual void detach();
virtual status_t loadSoundModel(const sp<IMemory>& modelMemory,
sound_model_handle_t *handle);
virtual status_t unloadSoundModel(sound_model_handle_t handle);
virtual status_t startRecognition(sound_model_handle_t handle,
const sp<IMemory>& dataMemory);
virtual status_t stopRecognition(sound_model_handle_t handle);
virtual status_t dump(int fd, const Vector<String16>& args);
sound_trigger_hw_device *hwDevice() const { return mHwDevice; }
struct sound_trigger_module_descriptor descriptor() { return mDescriptor; }
void setClient(sp<ISoundTriggerClient> client) { mClient = client; }
void clearClient() { mClient.clear(); }
sp<ISoundTriggerClient> client() { return mClient; }
void sendRecognitionEvent(struct sound_trigger_recognition_event *event);
void onRecognitionEvent(sp<IMemory> eventMemory);
sp<Model> getModel(sound_model_handle_t handle);
// IBinder::DeathRecipient implementation
virtual void binderDied(const wp<IBinder> &who);
private:
Mutex mLock;
wp<SoundTriggerHwService> mService;
struct sound_trigger_hw_device* mHwDevice;
struct sound_trigger_module_descriptor mDescriptor;
sp<ISoundTriggerClient> mClient;
DefaultKeyedVector< sound_model_handle_t, sp<Model> > mModels;
}; // class Module
class RecognitionEvent : public RefBase {
public:
RecognitionEvent(sp<IMemory> eventMemory, wp<Module> module);
virtual ~RecognitionEvent();
sp<IMemory> mEventMemory;
wp<Module> mModule;
};
class CallbackThread : public Thread {
public:
CallbackThread(const wp<SoundTriggerHwService>& service);
virtual ~CallbackThread();
// Thread virtuals
virtual bool threadLoop();
// RefBase
virtual void onFirstRef();
void exit();
void sendRecognitionEvent(const sp<RecognitionEvent>& event);
private:
wp<SoundTriggerHwService> mService;
Condition mCallbackCond;
Mutex mCallbackLock;
Vector< sp<RecognitionEvent> > mEventQueue;
};
void detachModule(sp<Module> module);
static void recognitionCallback(struct sound_trigger_recognition_event *event, void *cookie);
void sendRecognitionEvent(const sp<RecognitionEvent>& event);
void onRecognitionEvent(const sp<RecognitionEvent>& event);
static void soundModelCallback(struct sound_trigger_model_event *event, void *cookie);
private:
virtual void onFirstRef();
Mutex mServiceLock;
volatile int32_t mNextUniqueId;
DefaultKeyedVector< sound_trigger_module_handle_t, sp<Module> > mModules;
sp<CallbackThread> mCallbackThread;
};
} // namespace android
#endif // ANDROID_HARDWARE_SOUNDTRIGGER_HAL_SERVICE_H
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