Add support for treble sound trigger HAL
First implementation of Treble HAL in sound trigger hardware service.
If ENABLE_TREBLE build option is true, the treble HAL and HW
sevice is used. Otherwise the legacy HW module is loaded.
Bug: 30222631
Change-Id: Ibe5be680b7b7a3b261dd62913869e0bb412f438b
diff --git a/services/soundtrigger/SoundTriggerHalHidl.h b/services/soundtrigger/SoundTriggerHalHidl.h
new file mode 100644
index 0000000..9b0d7a7
--- /dev/null
+++ b/services/soundtrigger/SoundTriggerHalHidl.h
@@ -0,0 +1,167 @@
+/*
+ * 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_HIDL_H
+#define ANDROID_HARDWARE_SOUNDTRIGGER_HAL_HIDL_H
+
+#include <utils/RefBase.h>
+#include <utils/KeyedVector.h>
+#include <utils/Vector.h>
+#include <utils/threads.h>
+#include "SoundTriggerHalInterface.h"
+#include <android/hardware/soundtrigger/2.0/types.h>
+#include <android/hardware/soundtrigger/2.0/ISoundTriggerHw.h>
+#include <android/hardware/soundtrigger/2.0/ISoundTriggerHwCallback.h>
+#include <android/hardware/soundtrigger/2.0/BnSoundTriggerHwCallback.h>
+
+namespace android {
+
+using android::hardware::audio::common::V2_0::Uuid;
+using android::hardware::soundtrigger::V2_0::ConfidenceLevel;
+using android::hardware::soundtrigger::V2_0::PhraseRecognitionExtra;
+using android::hardware::soundtrigger::V2_0::SoundModelType;
+using android::hardware::soundtrigger::V2_0::SoundModelHandle;
+using android::hardware::soundtrigger::V2_0::ISoundTriggerHw;
+using android::hardware::soundtrigger::V2_0::ISoundTriggerHwCallback;
+
+class SoundTriggerHalHidl : public SoundTriggerHalInterface,
+ public virtual ISoundTriggerHwCallback
+
+{
+public:
+ 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.
+ */
+ virtual int stopAllRecognitions();
+
+ // RefBase
+ virtual void onFirstRef();
+
+ // ISoundTriggerHwCallback
+ virtual ::android::hardware::Return<void> recognitionCallback(
+ const ISoundTriggerHwCallback::RecognitionEvent& event, CallbackCookie cookie);
+ virtual ::android::hardware::Return<void> phraseRecognitionCallback(
+ const ISoundTriggerHwCallback::PhraseRecognitionEvent& event, int32_t cookie);
+ virtual ::android::hardware::Return<void> soundModelCallback(
+ const ISoundTriggerHwCallback::ModelEvent& event, CallbackCookie cookie);
+private:
+ class SoundModel : public RefBase {
+ public:
+ SoundModel(sound_model_handle_t handle, sound_model_callback_t callback,
+ void *cookie, android::hardware::soundtrigger::V2_0::SoundModelHandle halHandle)
+ : mHandle(handle), mHalHandle(halHandle),
+ mSoundModelCallback(callback), mSoundModelCookie(cookie),
+ mRecognitionCallback(NULL), mRecognitionCookie(NULL) {}
+ ~SoundModel() {}
+
+ sound_model_handle_t mHandle;
+ android::hardware::soundtrigger::V2_0::SoundModelHandle mHalHandle;
+ sound_model_callback_t mSoundModelCallback;
+ void * mSoundModelCookie;
+ recognition_callback_t mRecognitionCallback;
+ void * mRecognitionCookie;
+ };
+
+ friend class SoundTriggerHalInterface;
+
+ explicit SoundTriggerHalHidl(const char *moduleName = NULL);
+ virtual ~SoundTriggerHalHidl();
+
+ void convertUuidToHal(Uuid *halUuid,
+ const struct sound_trigger_uuid_s *uuid);
+ void convertUuidFromHal(struct sound_trigger_uuid_s *uuid,
+ const Uuid *halUuid);
+
+ void convertPropertiesFromHal(
+ struct sound_trigger_properties *properties,
+ const ISoundTriggerHw::Properties *halProperties);
+
+ void convertTriggerPhraseToHal(
+ ISoundTriggerHw::Phrase *halTriggerPhrase,
+ const struct sound_trigger_phrase *triggerPhrase);
+ ISoundTriggerHw::SoundModel *convertSoundModelToHal(
+ const struct sound_trigger_sound_model *soundModel);
+
+ void convertPhraseRecognitionExtraToHal(
+ PhraseRecognitionExtra *halExtra,
+ const struct sound_trigger_phrase_recognition_extra *extra);
+ ISoundTriggerHw::RecognitionConfig *convertRecognitionConfigToHal(
+ const struct sound_trigger_recognition_config *config);
+
+ struct sound_trigger_model_event *convertSoundModelEventFromHal(
+ const ISoundTriggerHwCallback::ModelEvent *halEvent);
+ void convertPhraseRecognitionExtraFromHal(
+ struct sound_trigger_phrase_recognition_extra *extra,
+ const PhraseRecognitionExtra *halExtra);
+ struct sound_trigger_recognition_event *convertRecognitionEventFromHal(
+ const ISoundTriggerHwCallback::RecognitionEvent *halEvent);
+
+ uint32_t nextUniqueId();
+ sp<ISoundTriggerHw> getService();
+ void clearService();
+ sp<SoundModel> getModel(sound_model_handle_t handle);
+ sp<SoundModel> removeModel(sound_model_handle_t handle);
+
+ static pthread_once_t sOnceControl;
+ static void sOnceInit();
+
+ Mutex mLock;
+ Mutex mHalLock;
+ const char *mModuleName;
+ volatile atomic_uint_fast32_t mNextUniqueId;
+ // Effect chains without a valid thread
+ DefaultKeyedVector< sound_model_handle_t , sp<SoundModel> > mSoundModels;
+ sp<::android::hardware::soundtrigger::V2_0::ISoundTriggerHw> mISoundTrigger;
+};
+
+} // namespace android
+
+#endif // ANDROID_HARDWARE_SOUNDTRIGGER_HAL_HIDL_H