add sound trigger native service
Change-Id: I0cd954c1c7d28a334e786d0004431d4f6a1227ec
diff --git a/services/soundtrigger/SoundTriggerHwService.h b/services/soundtrigger/SoundTriggerHwService.h
new file mode 100644
index 0000000..377f2a1
--- /dev/null
+++ b/services/soundtrigger/SoundTriggerHwService.h
@@ -0,0 +1,185 @@
+/*
+ * 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