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164 lines
7.4 KiB
164 lines
7.4 KiB
/*
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* Copyright (C) 2016 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef ANDROID_HARDWARE_SOUNDTRIGGER_HAL_HIDL_H
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#define ANDROID_HARDWARE_SOUNDTRIGGER_HAL_HIDL_H
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#include <stdatomic.h>
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#include <utils/RefBase.h>
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#include <utils/KeyedVector.h>
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#include <utils/Vector.h>
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#include <utils/threads.h>
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#include "SoundTriggerHalInterface.h"
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#include <android/hardware/soundtrigger/2.0/types.h>
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#include <android/hardware/soundtrigger/2.0/ISoundTriggerHw.h>
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#include <android/hardware/soundtrigger/2.0/ISoundTriggerHwCallback.h>
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namespace android {
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using android::hardware::audio::common::V2_0::Uuid;
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using android::hardware::soundtrigger::V2_0::ConfidenceLevel;
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using android::hardware::soundtrigger::V2_0::PhraseRecognitionExtra;
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using android::hardware::soundtrigger::V2_0::SoundModelType;
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using android::hardware::soundtrigger::V2_0::SoundModelHandle;
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using android::hardware::soundtrigger::V2_0::ISoundTriggerHw;
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using android::hardware::soundtrigger::V2_0::ISoundTriggerHwCallback;
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class SoundTriggerHalHidl : public SoundTriggerHalInterface,
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public virtual ISoundTriggerHwCallback
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{
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public:
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virtual int getProperties(struct sound_trigger_properties *properties);
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/*
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* Load a sound model. Once loaded, recognition of this model can be started and stopped.
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* Only one active recognition per model at a time. The SoundTrigger service will handle
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* concurrent recognition requests by different users/applications on the same model.
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* The implementation returns a unique handle used by other functions (unload_sound_model(),
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* start_recognition(), etc...
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*/
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virtual int loadSoundModel(struct sound_trigger_sound_model *sound_model,
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sound_model_callback_t callback,
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void *cookie,
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sound_model_handle_t *handle);
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/*
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* Unload a sound model. A sound model can be unloaded to make room for a new one to overcome
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* implementation limitations.
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*/
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virtual int unloadSoundModel(sound_model_handle_t handle);
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/* Start recognition on a given model. Only one recognition active at a time per model.
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* Once recognition succeeds of fails, the callback is called.
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* TODO: group recognition configuration parameters into one struct and add key phrase options.
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*/
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virtual int startRecognition(sound_model_handle_t handle,
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const struct sound_trigger_recognition_config *config,
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recognition_callback_t callback,
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void *cookie);
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/* Stop recognition on a given model.
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* The implementation does not have to call the callback when stopped via this method.
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*/
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virtual int stopRecognition(sound_model_handle_t handle);
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/* Stop recognition on all models.
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* Only supported for device api versions SOUND_TRIGGER_DEVICE_API_VERSION_1_1 or above.
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* If no implementation is provided, stop_recognition will be called for each running model.
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*/
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virtual int stopAllRecognitions();
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// ISoundTriggerHwCallback
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virtual ::android::hardware::Return<void> recognitionCallback(
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const ISoundTriggerHwCallback::RecognitionEvent& event, CallbackCookie cookie);
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virtual ::android::hardware::Return<void> phraseRecognitionCallback(
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const ISoundTriggerHwCallback::PhraseRecognitionEvent& event, int32_t cookie);
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virtual ::android::hardware::Return<void> soundModelCallback(
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const ISoundTriggerHwCallback::ModelEvent& event, CallbackCookie cookie);
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private:
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class SoundModel : public RefBase {
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public:
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SoundModel(sound_model_handle_t handle, sound_model_callback_t callback,
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void *cookie, android::hardware::soundtrigger::V2_0::SoundModelHandle halHandle)
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: mHandle(handle), mHalHandle(halHandle),
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mSoundModelCallback(callback), mSoundModelCookie(cookie),
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mRecognitionCallback(NULL), mRecognitionCookie(NULL) {}
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~SoundModel() {}
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sound_model_handle_t mHandle;
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android::hardware::soundtrigger::V2_0::SoundModelHandle mHalHandle;
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sound_model_callback_t mSoundModelCallback;
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void * mSoundModelCookie;
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recognition_callback_t mRecognitionCallback;
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void * mRecognitionCookie;
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};
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friend class SoundTriggerHalInterface;
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explicit SoundTriggerHalHidl(const char *moduleName = NULL);
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virtual ~SoundTriggerHalHidl();
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void convertUuidToHal(Uuid *halUuid,
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const sound_trigger_uuid_t *uuid);
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void convertUuidFromHal(sound_trigger_uuid_t *uuid,
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const Uuid *halUuid);
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void convertPropertiesFromHal(
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struct sound_trigger_properties *properties,
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const ISoundTriggerHw::Properties *halProperties);
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void convertTriggerPhraseToHal(
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ISoundTriggerHw::Phrase *halTriggerPhrase,
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const struct sound_trigger_phrase *triggerPhrase);
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ISoundTriggerHw::SoundModel *convertSoundModelToHal(
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const struct sound_trigger_sound_model *soundModel);
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void convertPhraseRecognitionExtraToHal(
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PhraseRecognitionExtra *halExtra,
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const struct sound_trigger_phrase_recognition_extra *extra);
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ISoundTriggerHw::RecognitionConfig *convertRecognitionConfigToHal(
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const struct sound_trigger_recognition_config *config);
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struct sound_trigger_model_event *convertSoundModelEventFromHal(
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const ISoundTriggerHwCallback::ModelEvent *halEvent);
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void convertPhraseRecognitionExtraFromHal(
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struct sound_trigger_phrase_recognition_extra *extra,
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const PhraseRecognitionExtra *halExtra);
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struct sound_trigger_recognition_event *convertRecognitionEventFromHal(
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const ISoundTriggerHwCallback::RecognitionEvent *halEvent);
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uint32_t nextUniqueId();
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sp<ISoundTriggerHw> getService();
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sp<SoundModel> getModel(sound_model_handle_t handle);
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sp<SoundModel> removeModel(sound_model_handle_t handle);
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static pthread_once_t sOnceControl;
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static void sOnceInit();
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Mutex mLock;
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Mutex mHalLock;
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const char *mModuleName;
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volatile atomic_uint_fast32_t mNextUniqueId;
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// Effect chains without a valid thread
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DefaultKeyedVector< sound_model_handle_t , sp<SoundModel> > mSoundModels;
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sp<::android::hardware::soundtrigger::V2_0::ISoundTriggerHw> mISoundTrigger;
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};
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} // namespace android
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#endif // ANDROID_HARDWARE_SOUNDTRIGGER_HAL_HIDL_H
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