| /* |
| * 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_HAL_LEGACY_H |
| #define ANDROID_HARDWARE_SOUNDTRIGGER_HAL_LEGACY_H |
| |
| #include "SoundTriggerHalInterface.h" |
| |
| namespace android { |
| |
| class SoundTriggerHalLegacy : public SoundTriggerHalInterface |
| |
| { |
| public: |
| virtual ~SoundTriggerHalLegacy(); |
| |
| virtual int getProperties(struct sound_trigger_properties *properties); |
| |
| /* |
| * Load a sound model. Once loaded, recognition of this model can be started and stopped. |
| * Only one active recognition per model at a time. The SoundTrigger service will handle |
| * concurrent recognition requests by different users/applications on the same model. |
| * The implementation returns a unique handle used by other functions (unload_sound_model(), |
| * start_recognition(), etc... |
| */ |
| virtual int loadSoundModel(struct sound_trigger_sound_model *sound_model, |
| sound_model_callback_t callback, |
| void *cookie, |
| sound_model_handle_t *handle); |
| |
| /* |
| * Unload a sound model. A sound model can be unloaded to make room for a new one to overcome |
| * implementation limitations. |
| */ |
| virtual int unloadSoundModel(sound_model_handle_t handle); |
| |
| /* Start recognition on a given model. Only one recognition active at a time per model. |
| * Once recognition succeeds of fails, the callback is called. |
| * TODO: group recognition configuration parameters into one struct and add key phrase options. |
| */ |
| virtual int startRecognition(sound_model_handle_t handle, |
| const struct sound_trigger_recognition_config *config, |
| recognition_callback_t callback, |
| void *cookie); |
| |
| /* Stop recognition on a given model. |
| * The implementation does not have to call the callback when stopped via this method. |
| */ |
| virtual int stopRecognition(sound_model_handle_t handle); |
| |
| /* Stop recognition on all models. |
| * Only supported for device api versions SOUND_TRIGGER_DEVICE_API_VERSION_1_1 or above. |
| * If no implementation is provided, stop_recognition will be called for each running model. |
| */ |
| int stopAllRecognitions(); |
| |
| // RefBase |
| virtual void onFirstRef(); |
| |
| private: |
| |
| friend class SoundTriggerHalInterface; |
| |
| explicit SoundTriggerHalLegacy(const char *moduleName = NULL); |
| |
| const char *mModuleName; |
| struct sound_trigger_hw_device* mHwDevice; |
| }; |
| |
| } // namespace android |
| |
| #endif // ANDROID_HARDWARE_SOUNDTRIGGER_HAL_LEGACY_H |