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/*
* Copyright (C) 2016 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_V2_0_IMPLEMENTATION_H
#define ANDROID_HARDWARE_SOUNDTRIGGER_V2_0_IMPLEMENTATION_H
#include <android/hardware/soundtrigger/2.0/ISoundTriggerHw.h>
#include <android/hardware/soundtrigger/2.0/ISoundTriggerHwCallback.h>
#include <hardware/sound_trigger.h>
#include <hidl/Status.h>
#include <stdatomic.h>
#include <system/sound_trigger.h>
#include <utils/KeyedVector.h>
#include <utils/threads.h>
namespace android {
namespace hardware {
namespace soundtrigger {
namespace V2_0 {
namespace implementation {
using ::android::hardware::audio::common::V2_0::Uuid;
using ::android::hardware::soundtrigger::V2_0::ISoundTriggerHwCallback;
class SoundTriggerHalImpl : public RefBase {
public:
SoundTriggerHalImpl();
ISoundTriggerHw* getInterface() { return new TrampolineSoundTriggerHw_2_0(this); }
protected:
class SoundModelClient : public RefBase {
public:
SoundModelClient(uint32_t id, ISoundTriggerHwCallback::CallbackCookie cookie)
: mId(id), mCookie(cookie) {}
virtual ~SoundModelClient() {}
uint32_t getId() const { return mId; }
sound_model_handle_t getHalHandle() const { return mHalHandle; }
void setHalHandle(sound_model_handle_t handle) { mHalHandle = handle; }
virtual void recognitionCallback(struct sound_trigger_recognition_event* halEvent) = 0;
virtual void soundModelCallback(struct sound_trigger_model_event* halEvent) = 0;
protected:
const uint32_t mId;
sound_model_handle_t mHalHandle;
ISoundTriggerHwCallback::CallbackCookie mCookie;
};
static void convertPhaseRecognitionEventFromHal(
ISoundTriggerHwCallback::PhraseRecognitionEvent* event,
const struct sound_trigger_phrase_recognition_event* halEvent);
static void convertRecognitionEventFromHal(
ISoundTriggerHwCallback::RecognitionEvent* event,
const struct sound_trigger_recognition_event* halEvent);
static void convertSoundModelEventFromHal(ISoundTriggerHwCallback::ModelEvent* event,
const struct sound_trigger_model_event* halEvent);
virtual ~SoundTriggerHalImpl();
Return<void> getProperties(ISoundTriggerHw::getProperties_cb _hidl_cb);
Return<void> loadSoundModel(const ISoundTriggerHw::SoundModel& soundModel,
const sp<ISoundTriggerHwCallback>& callback,
ISoundTriggerHwCallback::CallbackCookie cookie,
ISoundTriggerHw::loadSoundModel_cb _hidl_cb);
Return<void> loadPhraseSoundModel(const ISoundTriggerHw::PhraseSoundModel& soundModel,
const sp<ISoundTriggerHwCallback>& callback,
ISoundTriggerHwCallback::CallbackCookie cookie,
ISoundTriggerHw::loadPhraseSoundModel_cb _hidl_cb);
Return<int32_t> unloadSoundModel(SoundModelHandle modelHandle);
Return<int32_t> startRecognition(SoundModelHandle modelHandle,
const ISoundTriggerHw::RecognitionConfig& config);
Return<int32_t> stopRecognition(SoundModelHandle modelHandle);
Return<int32_t> stopAllRecognitions();
uint32_t nextUniqueModelId();
int doLoadSoundModel(const ISoundTriggerHw::SoundModel& soundModel,
sp<SoundModelClient> client);
// RefBase
void onFirstRef() override;
private:
struct TrampolineSoundTriggerHw_2_0 : public ISoundTriggerHw {
explicit TrampolineSoundTriggerHw_2_0(sp<SoundTriggerHalImpl> impl) : mImpl(impl) {}
// Methods from ::android::hardware::soundtrigger::V2_0::ISoundTriggerHw follow.
Return<void> getProperties(getProperties_cb _hidl_cb) override {
return mImpl->getProperties(_hidl_cb);
}
Return<void> loadSoundModel(const ISoundTriggerHw::SoundModel& soundModel,
const sp<ISoundTriggerHwCallback>& callback,
ISoundTriggerHwCallback::CallbackCookie cookie,
loadSoundModel_cb _hidl_cb) override {
return mImpl->loadSoundModel(soundModel, callback, cookie, _hidl_cb);
}
Return<void> loadPhraseSoundModel(const ISoundTriggerHw::PhraseSoundModel& soundModel,
const sp<ISoundTriggerHwCallback>& callback,
ISoundTriggerHwCallback::CallbackCookie cookie,
loadPhraseSoundModel_cb _hidl_cb) override {
return mImpl->loadPhraseSoundModel(soundModel, callback, cookie, _hidl_cb);
}
Return<int32_t> unloadSoundModel(SoundModelHandle modelHandle) override {
return mImpl->unloadSoundModel(modelHandle);
}
Return<int32_t> startRecognition(
SoundModelHandle modelHandle, const ISoundTriggerHw::RecognitionConfig& config,
const sp<ISoundTriggerHwCallback>& /*callback*/,
ISoundTriggerHwCallback::CallbackCookie /*cookie*/) override {
return mImpl->startRecognition(modelHandle, config);
}
Return<int32_t> stopRecognition(SoundModelHandle modelHandle) override {
return mImpl->stopRecognition(modelHandle);
}
Return<int32_t> stopAllRecognitions() override { return mImpl->stopAllRecognitions(); }
private:
sp<SoundTriggerHalImpl> mImpl;
};
class SoundModelClient_2_0 : public SoundModelClient {
public:
SoundModelClient_2_0(uint32_t id, ISoundTriggerHwCallback::CallbackCookie cookie,
sp<ISoundTriggerHwCallback> callback)
: SoundModelClient(id, cookie), mCallback(callback) {}
void recognitionCallback(struct sound_trigger_recognition_event* halEvent) override;
void soundModelCallback(struct sound_trigger_model_event* halEvent) override;
private:
sp<ISoundTriggerHwCallback> mCallback;
};
void convertUuidFromHal(Uuid* uuid, const sound_trigger_uuid_t* halUuid);
void convertUuidToHal(sound_trigger_uuid_t* halUuid, const Uuid* uuid);
void convertPropertiesFromHal(ISoundTriggerHw::Properties* properties,
const struct sound_trigger_properties* halProperties);
void convertTriggerPhraseToHal(struct sound_trigger_phrase* halTriggerPhrase,
const ISoundTriggerHw::Phrase* triggerPhrase);
// returned HAL sound model must be freed by caller
struct sound_trigger_sound_model* convertSoundModelToHal(
const ISoundTriggerHw::SoundModel* soundModel);
void convertPhraseRecognitionExtraToHal(struct sound_trigger_phrase_recognition_extra* halExtra,
const PhraseRecognitionExtra* extra);
// returned recognition config must be freed by caller
struct sound_trigger_recognition_config* convertRecognitionConfigToHal(
const ISoundTriggerHw::RecognitionConfig* config);
static void convertPhraseRecognitionExtraFromHal(
PhraseRecognitionExtra* extra,
const struct sound_trigger_phrase_recognition_extra* halExtra);
static void soundModelCallback(struct sound_trigger_model_event* halEvent, void* cookie);
static void recognitionCallback(struct sound_trigger_recognition_event* halEvent, void* cookie);
const char* mModuleName;
struct sound_trigger_hw_device* mHwDevice;
volatile atomic_uint_fast32_t mNextModelId;
DefaultKeyedVector<int32_t, sp<SoundModelClient> > mClients;
Mutex mLock;
};
} // namespace implementation
} // namespace V2_0
} // namespace soundtrigger
} // namespace hardware
} // namespace android
#endif // ANDROID_HARDWARE_SOUNDTRIGGER_V2_0_IMPLEMENTATION_H
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