"radio/1.0",
"power/1.0",
"power/1.0/default",
+ "soundtrigger/2.0",
"tests/bar/1.0",
"tests/baz/1.0",
"tests/expression/1.0",
--- /dev/null
+// This file is autogenerated by hidl-gen. Do not edit manually.
+
+genrule {
+ name: "android.hardware.soundtrigger@2.0_genc++",
+ tool: "hidl-gen",
+ cmd: "$tool -o $genDir -Lc++ -randroid.hardware:hardware/interfaces android.hardware.soundtrigger@2.0",
+ srcs: [
+ "types.hal",
+ "ISoundTriggerHw.hal",
+ "ISoundTriggerHwCallback.hal",
+ ],
+ out: [
+ "android/hardware/soundtrigger/2.0/types.cpp",
+ "android/hardware/soundtrigger/2.0/SoundTriggerHwAll.cpp",
+ "android/hardware/soundtrigger/2.0/SoundTriggerHwCallbackAll.cpp",
+ ],
+}
+
+genrule {
+ name: "android.hardware.soundtrigger@2.0_genc++_headers",
+ tool: "hidl-gen",
+ cmd: "$tool -o $genDir -Lc++ -randroid.hardware:hardware/interfaces android.hardware.soundtrigger@2.0",
+ srcs: [
+ "types.hal",
+ "ISoundTriggerHw.hal",
+ "ISoundTriggerHwCallback.hal",
+ ],
+ out: [
+ "android/hardware/soundtrigger/2.0/types.h",
+ "android/hardware/soundtrigger/2.0/ISoundTriggerHw.h",
+ "android/hardware/soundtrigger/2.0/IHwSoundTriggerHw.h",
+ "android/hardware/soundtrigger/2.0/BnSoundTriggerHw.h",
+ "android/hardware/soundtrigger/2.0/BpSoundTriggerHw.h",
+ "android/hardware/soundtrigger/2.0/BsSoundTriggerHw.h",
+ "android/hardware/soundtrigger/2.0/ISoundTriggerHwCallback.h",
+ "android/hardware/soundtrigger/2.0/IHwSoundTriggerHwCallback.h",
+ "android/hardware/soundtrigger/2.0/BnSoundTriggerHwCallback.h",
+ "android/hardware/soundtrigger/2.0/BpSoundTriggerHwCallback.h",
+ "android/hardware/soundtrigger/2.0/BsSoundTriggerHwCallback.h",
+ ],
+}
+
+cc_library_shared {
+ name: "android.hardware.soundtrigger@2.0",
+ generated_sources: ["android.hardware.soundtrigger@2.0_genc++"],
+ generated_headers: ["android.hardware.soundtrigger@2.0_genc++_headers"],
+ export_generated_headers: ["android.hardware.soundtrigger@2.0_genc++_headers"],
+ shared_libs: [
+ "libhidl",
+ "libhwbinder",
+ "libutils",
+ "libcutils",
+ "android.hardware.audio.common@2.0",
+ ],
+}
--- /dev/null
+# This file is autogenerated by hidl-gen. Do not edit manually.
+
+LOCAL_PATH := $(call my-dir)
+
+################################################################################
+
+include $(CLEAR_VARS)
+LOCAL_MODULE := android.hardware.soundtrigger@2.0-java
+LOCAL_MODULE_CLASS := JAVA_LIBRARIES
+
+intermediates := $(local-generated-sources-dir)
+
+HIDL := $(HOST_OUT_EXECUTABLES)/hidl-gen$(HOST_EXECUTABLE_SUFFIX)
+
+LOCAL_JAVA_LIBRARIES := \
+ android.hardware.audio.common@2.0-java \
+
+
+#
+# Build types.hal (ConfidenceLevel)
+#
+GEN := $(intermediates)/android/hardware/soundtrigger/2.0/ConfidenceLevel.java
+$(GEN): $(HIDL)
+$(GEN): PRIVATE_HIDL := $(HIDL)
+$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/types.hal
+$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
+$(GEN): PRIVATE_CUSTOM_TOOL = \
+ $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
+ -Ljava -randroid.hardware:hardware/interfaces \
+ android.hardware.soundtrigger@2.0::types.ConfidenceLevel
+
+$(GEN): $(LOCAL_PATH)/types.hal
+ $(transform-generated-source)
+LOCAL_GENERATED_SOURCES += $(GEN)
+
+#
+# Build types.hal (PhraseRecognitionExtra)
+#
+GEN := $(intermediates)/android/hardware/soundtrigger/2.0/PhraseRecognitionExtra.java
+$(GEN): $(HIDL)
+$(GEN): PRIVATE_HIDL := $(HIDL)
+$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/types.hal
+$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
+$(GEN): PRIVATE_CUSTOM_TOOL = \
+ $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
+ -Ljava -randroid.hardware:hardware/interfaces \
+ android.hardware.soundtrigger@2.0::types.PhraseRecognitionExtra
+
+$(GEN): $(LOCAL_PATH)/types.hal
+ $(transform-generated-source)
+LOCAL_GENERATED_SOURCES += $(GEN)
+
+#
+# Build types.hal (RecognitionMode)
+#
+GEN := $(intermediates)/android/hardware/soundtrigger/2.0/RecognitionMode.java
+$(GEN): $(HIDL)
+$(GEN): PRIVATE_HIDL := $(HIDL)
+$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/types.hal
+$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
+$(GEN): PRIVATE_CUSTOM_TOOL = \
+ $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
+ -Ljava -randroid.hardware:hardware/interfaces \
+ android.hardware.soundtrigger@2.0::types.RecognitionMode
+
+$(GEN): $(LOCAL_PATH)/types.hal
+ $(transform-generated-source)
+LOCAL_GENERATED_SOURCES += $(GEN)
+
+#
+# Build types.hal (SoundModelType)
+#
+GEN := $(intermediates)/android/hardware/soundtrigger/2.0/SoundModelType.java
+$(GEN): $(HIDL)
+$(GEN): PRIVATE_HIDL := $(HIDL)
+$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/types.hal
+$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
+$(GEN): PRIVATE_CUSTOM_TOOL = \
+ $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
+ -Ljava -randroid.hardware:hardware/interfaces \
+ android.hardware.soundtrigger@2.0::types.SoundModelType
+
+$(GEN): $(LOCAL_PATH)/types.hal
+ $(transform-generated-source)
+LOCAL_GENERATED_SOURCES += $(GEN)
+
+#
+# Build ISoundTriggerHw.hal
+#
+GEN := $(intermediates)/android/hardware/soundtrigger/2.0/ISoundTriggerHw.java
+$(GEN): $(HIDL)
+$(GEN): PRIVATE_HIDL := $(HIDL)
+$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/ISoundTriggerHw.hal
+$(GEN): PRIVATE_DEPS += $(LOCAL_PATH)/ISoundTriggerHwCallback.hal
+$(GEN): $(LOCAL_PATH)/ISoundTriggerHwCallback.hal
+$(GEN): PRIVATE_DEPS += $(LOCAL_PATH)/types.hal
+$(GEN): $(LOCAL_PATH)/types.hal
+$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
+$(GEN): PRIVATE_CUSTOM_TOOL = \
+ $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
+ -Ljava -randroid.hardware:hardware/interfaces \
+ android.hardware.soundtrigger@2.0::ISoundTriggerHw
+
+$(GEN): $(LOCAL_PATH)/ISoundTriggerHw.hal
+ $(transform-generated-source)
+LOCAL_GENERATED_SOURCES += $(GEN)
+
+#
+# Build ISoundTriggerHwCallback.hal
+#
+GEN := $(intermediates)/android/hardware/soundtrigger/2.0/ISoundTriggerHwCallback.java
+$(GEN): $(HIDL)
+$(GEN): PRIVATE_HIDL := $(HIDL)
+$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/ISoundTriggerHwCallback.hal
+$(GEN): PRIVATE_DEPS += $(LOCAL_PATH)/types.hal
+$(GEN): $(LOCAL_PATH)/types.hal
+$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
+$(GEN): PRIVATE_CUSTOM_TOOL = \
+ $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
+ -Ljava -randroid.hardware:hardware/interfaces \
+ android.hardware.soundtrigger@2.0::ISoundTriggerHwCallback
+
+$(GEN): $(LOCAL_PATH)/ISoundTriggerHwCallback.hal
+ $(transform-generated-source)
+LOCAL_GENERATED_SOURCES += $(GEN)
+include $(BUILD_JAVA_LIBRARY)
+
+
+################################################################################
+
+include $(CLEAR_VARS)
+LOCAL_MODULE := android.hardware.soundtrigger@2.0-java-static
+LOCAL_MODULE_CLASS := JAVA_LIBRARIES
+
+intermediates := $(local-generated-sources-dir)
+
+HIDL := $(HOST_OUT_EXECUTABLES)/hidl-gen$(HOST_EXECUTABLE_SUFFIX)
+
+LOCAL_STATIC_JAVA_LIBRARIES := \
+ android.hardware.audio.common@2.0-java-static \
+
+
+#
+# Build types.hal (ConfidenceLevel)
+#
+GEN := $(intermediates)/android/hardware/soundtrigger/2.0/ConfidenceLevel.java
+$(GEN): $(HIDL)
+$(GEN): PRIVATE_HIDL := $(HIDL)
+$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/types.hal
+$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
+$(GEN): PRIVATE_CUSTOM_TOOL = \
+ $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
+ -Ljava -randroid.hardware:hardware/interfaces \
+ android.hardware.soundtrigger@2.0::types.ConfidenceLevel
+
+$(GEN): $(LOCAL_PATH)/types.hal
+ $(transform-generated-source)
+LOCAL_GENERATED_SOURCES += $(GEN)
+
+#
+# Build types.hal (PhraseRecognitionExtra)
+#
+GEN := $(intermediates)/android/hardware/soundtrigger/2.0/PhraseRecognitionExtra.java
+$(GEN): $(HIDL)
+$(GEN): PRIVATE_HIDL := $(HIDL)
+$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/types.hal
+$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
+$(GEN): PRIVATE_CUSTOM_TOOL = \
+ $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
+ -Ljava -randroid.hardware:hardware/interfaces \
+ android.hardware.soundtrigger@2.0::types.PhraseRecognitionExtra
+
+$(GEN): $(LOCAL_PATH)/types.hal
+ $(transform-generated-source)
+LOCAL_GENERATED_SOURCES += $(GEN)
+
+#
+# Build types.hal (RecognitionMode)
+#
+GEN := $(intermediates)/android/hardware/soundtrigger/2.0/RecognitionMode.java
+$(GEN): $(HIDL)
+$(GEN): PRIVATE_HIDL := $(HIDL)
+$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/types.hal
+$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
+$(GEN): PRIVATE_CUSTOM_TOOL = \
+ $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
+ -Ljava -randroid.hardware:hardware/interfaces \
+ android.hardware.soundtrigger@2.0::types.RecognitionMode
+
+$(GEN): $(LOCAL_PATH)/types.hal
+ $(transform-generated-source)
+LOCAL_GENERATED_SOURCES += $(GEN)
+
+#
+# Build types.hal (SoundModelType)
+#
+GEN := $(intermediates)/android/hardware/soundtrigger/2.0/SoundModelType.java
+$(GEN): $(HIDL)
+$(GEN): PRIVATE_HIDL := $(HIDL)
+$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/types.hal
+$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
+$(GEN): PRIVATE_CUSTOM_TOOL = \
+ $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
+ -Ljava -randroid.hardware:hardware/interfaces \
+ android.hardware.soundtrigger@2.0::types.SoundModelType
+
+$(GEN): $(LOCAL_PATH)/types.hal
+ $(transform-generated-source)
+LOCAL_GENERATED_SOURCES += $(GEN)
+
+#
+# Build ISoundTriggerHw.hal
+#
+GEN := $(intermediates)/android/hardware/soundtrigger/2.0/ISoundTriggerHw.java
+$(GEN): $(HIDL)
+$(GEN): PRIVATE_HIDL := $(HIDL)
+$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/ISoundTriggerHw.hal
+$(GEN): PRIVATE_DEPS += $(LOCAL_PATH)/ISoundTriggerHwCallback.hal
+$(GEN): $(LOCAL_PATH)/ISoundTriggerHwCallback.hal
+$(GEN): PRIVATE_DEPS += $(LOCAL_PATH)/types.hal
+$(GEN): $(LOCAL_PATH)/types.hal
+$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
+$(GEN): PRIVATE_CUSTOM_TOOL = \
+ $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
+ -Ljava -randroid.hardware:hardware/interfaces \
+ android.hardware.soundtrigger@2.0::ISoundTriggerHw
+
+$(GEN): $(LOCAL_PATH)/ISoundTriggerHw.hal
+ $(transform-generated-source)
+LOCAL_GENERATED_SOURCES += $(GEN)
+
+#
+# Build ISoundTriggerHwCallback.hal
+#
+GEN := $(intermediates)/android/hardware/soundtrigger/2.0/ISoundTriggerHwCallback.java
+$(GEN): $(HIDL)
+$(GEN): PRIVATE_HIDL := $(HIDL)
+$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/ISoundTriggerHwCallback.hal
+$(GEN): PRIVATE_DEPS += $(LOCAL_PATH)/types.hal
+$(GEN): $(LOCAL_PATH)/types.hal
+$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
+$(GEN): PRIVATE_CUSTOM_TOOL = \
+ $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
+ -Ljava -randroid.hardware:hardware/interfaces \
+ android.hardware.soundtrigger@2.0::ISoundTriggerHwCallback
+
+$(GEN): $(LOCAL_PATH)/ISoundTriggerHwCallback.hal
+ $(transform-generated-source)
+LOCAL_GENERATED_SOURCES += $(GEN)
+include $(BUILD_STATIC_JAVA_LIBRARY)
+
+
+
+include $(call all-makefiles-under,$(LOCAL_PATH))
--- /dev/null
+/*
+ * Copyright 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.
+ */
+
+package android.hardware.soundtrigger@2.0;
+
+import android.hardware.audio.common@2.0;
+
+import ISoundTriggerHwCallback;
+
+interface ISoundTriggerHw {
+
+ /*
+ * Sound trigger implementation descriptor read by the framework via
+ * getProperties(). Used by SoundTrigger service to report to applications
+ * and manage concurrency and policy.
+ */
+ struct Properties {
+ /* Implementor name */
+ string implementor;
+ /* Implementation description */
+ string description;
+ /* Implementation version */
+ uint32_t version;
+ /* Unique implementation ID. The UUID must change with each version of
+ the engine implementation */
+ Uuid uuid;
+ /* Maximum number of concurrent sound models loaded */
+ uint32_t maxSoundModels;
+ /* Maximum number of key phrases */
+ uint32_t maxKeyPhrases;
+ /* Maximum number of concurrent users detected */
+ uint32_t maxUsers;
+ /* All supported modes. e.g RecognitionMode.VOICE_TRIGGER */
+ uint32_t recognitionModes;
+ /* Supports seamless transition from detection to capture */
+ bool captureTransition;
+ /* Maximum buffering capacity in ms if captureTransition is true */
+ uint32_t maxBufferMs;
+ /* Supports capture by other use cases while detection is active */
+ bool concurrentCapture;
+ /* Returns the trigger capture in event */
+ bool triggerInEvent;
+ /* Rated power consumption when detection is active with TDB
+ * silence/sound/speech ratio */
+ uint32_t powerConsumptionMw;
+ };
+
+
+ /*
+ * Base sound model descriptor. This struct is the header of a larger block
+ * passed to loadSoundModel() and contains the binary data of the
+ * sound model.
+ */
+ struct SoundModel {
+ /* Model type. e.g. SoundModelType.KEYPHRASE */
+ SoundModelType type;
+ /* Unique sound model ID. */
+ Uuid uuid;
+ /* Unique vendor ID. Identifies the engine the sound model
+ * was build for */
+ Uuid vendorUuid;
+ /* Opaque data transparent to Android framework */
+ vec<uint8_t> data;
+ };
+
+ /* Key phrase descriptor */
+ struct Phrase {
+ /* Unique keyphrase ID assigned at enrollment time */
+ uint32_t id;
+ /* Recognition modes supported by this key phrase */
+ uint32_t recognitionModes;
+ /* List of users IDs associated with this key phrase */
+ vec<uint32_t> users;
+ /* Locale - Java Locale style (e.g. en_US) */
+ string locale;
+ /* Phrase text in UTF-8 format. */
+ string text;
+ };
+
+ /*
+ * Specialized sound model for key phrase detection.
+ * Proprietary representation of key phrases in binary data must match
+ * information indicated by phrases field
+ */
+ struct PhraseSoundModel {
+ /* Common part of sound model descriptor */
+ SoundModel common;
+ /* List of descriptors for key phrases supported by this sound model */
+ vec<Phrase> phrases;
+ };
+
+ /*
+ * Configuration for sound trigger capture session passed to
+ * startRecognition() method
+ */
+ struct RecognitionConfig {
+ /* IO handle that will be used for capture. N/A if captureRequested
+ * is false */
+ AudioIoHandle captureHandle;
+ /* Input device requested for detection capture */
+ AudioDevice captureDevice;
+ /* Capture and buffer audio for this recognition instance */
+ bool captureRequested;
+ /* Configuration for each key phrase */
+ vec<PhraseRecognitionExtra> phrases;
+ /* Opaque capture configuration data transparent to the framework */
+ vec<uint8_t> data;
+ };
+
+
+ /*
+ * Retrieve implementation properties.
+ * @return retval Operation completion status: 0 in case of success,
+ * -ENODEV in case of initialization error.
+ * @return properties A Properties structure containing implementation
+ * description and capabilities.
+ */
+ getProperties() generates (int32_t retval, 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 must handle concurrent recognition requests by
+ * different users/applications on the same model.
+ * The implementation returns a unique handle used by other functions
+ * (unloadSoundModel(), startRecognition(), etc...
+ * @param soundModel A SoundModel structure describing the sound model to
+ * load.
+ * @param callback The callback interface on which the soundmodelCallback()
+ * method will be called upon completion.
+ * @param cookie The value of the cookie argument passed to the completion
+ * callback. This unique context information is assigned and
+ * used only by the framework.
+ * @return retval Operation completion status: 0 in case of success,
+ * -EINVAL in case of invalid sound model (e.g 0 data size),
+ * -ENOSYS in case of invalid operation (e.g max number of
+ * models exceeded),
+ * -ENOMEM in case of memory allocation failure,
+ * -ENODEV in case of initialization error.
+ * @return modelHandle A unique handle assigned by the HAL for use by the
+ * framework when controlling activity for this sound model.
+ */
+ loadSoundModel(SoundModel soundModel,
+ ISoundTriggerHwCallback callback,
+ CallbackCookie cookie)
+ generates (int32_t retval, SoundModelHandle modelHandle);
+
+ /*
+ * Unload a sound model. A sound model may be unloaded to make room for a
+ * new one to overcome implementation limitations.
+ * @param modelHandle the handle of the sound model to unload
+ * @return retval Operation completion status: 0 in case of success,
+ * -ENOSYS if the model is not loaded,
+ * -ENODEV in case of initialization error.
+ */
+ unloadSoundModel(SoundModelHandle modelHandle)
+ generates (int32_t retval);
+
+ /*
+ * Start recognition on a given model. Only one recognition active
+ * at a time per model. Once recognition succeeds of fails, the callback
+ * is called.
+ * @param modelHandle the handle of the sound model to use for recognition
+ * @param config A RecognitionConfig structure containing attributes of the
+ * recognition to perform
+ * @param callback The callback interface on which the recognitionCallback()
+ * method must be called upon recognition.
+ * @param cookie The value of the cookie argument passed to the recognition
+ * callback. This unique context information is assigned and
+ * used only by the framework.
+ * @return retval Operation completion status: 0 in case of success,
+ * -EINVAL in case of invalid recognition attributes,
+ * -ENOSYS in case of invalid model handle,
+ * -ENOMEM in case of memory allocation failure,
+ * -ENODEV in case of initialization error.
+ */
+ startRecognition(SoundModelHandle modelHandle,
+ RecognitionConfig config,
+ ISoundTriggerHwCallback callback,
+ CallbackCookie cookie)
+ generates (int32_t retval);
+
+ /*
+ * Stop recognition on a given model.
+ * The implementation must not call the recognition callback when stopped
+ * via this method.
+ * @param modelHandle The handle of the sound model to use for recognition
+ * @return retval Operation completion status: 0 in case of success,
+ * -ENOSYS in case of invalid model handle,
+ * -ENODEV in case of initialization error.
+ */
+ stopRecognition(SoundModelHandle modelHandle)
+ generates (int32_t retval);
+
+ /*
+ * Stop recognition on all models.
+ * @return retval Operation completion status: 0 in case of success,
+ * -ENODEV in case of initialization error.
+ */
+ stopAllRecognitions()
+ generates (int32_t retval);
+};
--- /dev/null
+/*
+ * Copyright 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.
+ */
+
+package android.hardware.soundtrigger@2.0;
+
+import android.hardware.audio.common@2.0;
+
+interface ISoundTriggerHwCallback {
+ enum RecognitionStatus : uint32_t {
+ SUCCESS = 0,
+ ABORT = 1,
+ FAILURE = 2,
+ };
+
+ enum SoundModelStatus : uint32_t {
+ UPDATED = 0,
+ };
+
+ /*
+ * Generic recognition event sent via recognition callback
+ */
+ struct RecognitionEvent {
+ /* Recognition status e.g. SUCCESS */
+ RecognitionStatus status;
+ /* Sound model type for this event. e.g SoundModelType.TYPE_KEYPHRASE */
+ SoundModelType type;
+ /* Handle of loaded sound model which triggered the event */
+ SoundModelHandle model;
+ /* It is possible to capture audio from this */
+ /* utterance buffered by the implementation */
+ bool captureAvailable;
+ /* Audio session ID. framework use */
+ int32_t captureSession;
+ /* Delay in ms between end of model detection and start of audio
+ /* available for capture. A negative value is possible
+ * (e.g. if key phrase is also available for capture */
+ int32_t captureDelayMs;
+ /* Duration in ms of audio captured before the start of the trigger.
+ * 0 if none. */
+ int32_t capturePreambleMs;
+ /* The opaque data is the capture of the trigger sound */
+ bool triggerInData;
+ /* Audio format of either the trigger in event data or to use for
+ * capture of the rest of the utterance */
+ AudioConfig audioConfig;
+ /* Opaque event data */
+ vec<uint8_t> data;
+ };
+
+ /*
+ * Specialized recognition event for key phrase recognitions
+ */
+ struct PhraseRecognitionEvent {
+ /* Common part of the recognition event */
+ RecognitionEvent common;
+ /* List of descriptors for each recognized key phrase */
+ vec<PhraseRecognitionExtra> phraseExtras;
+ };
+
+ /*
+ * Event sent via load sound model callback
+ */
+ struct ModelEvent {
+ /* Sound model status e.g. SoundModelStatus.UPDATED */
+ SoundModelStatus status;
+ /* Loaded sound model that triggered the event */
+ SoundModelHandle model;
+ /* Opaque event data, passed transparently by the framework */
+ vec<uint8_t> data;
+ };
+
+ typedef int32_t CallbackCookie;
+
+ /*
+ * Callback method called by the HAL when the sound recognition triggers
+ * @param event A RecognitionEvent structure containing detailed results
+ * of the recognition triggered
+ * @param cookie The cookie passed by the framework when recognition was
+ * started (see ISoundtriggerHw.startRecognition()
+ */
+ recognitionCallback(RecognitionEvent event, CallbackCookie cookie);
+ /*
+ * Callback method called by the HAL when the sound model loading completes
+ * @param event A ModelEvent structure containing detailed results of the
+ * model loading operation
+ * @param cookie The cookie passed by the framework when loading was
+ * initiated (see ISoundtriggerHw.loadSoundModel()
+ */
+ soundModelCallback(ModelEvent event, CallbackCookie cookie);
+};
--- /dev/null
+/*
+ * Copyright 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.
+ */
+
+package android.hardware.soundtrigger@2.0;
+
+/*
+ * Sound model types modes used in ISoundTriggerHw.SoundModel
+ */
+enum SoundModelType : int32_t {
+ /* use for unspecified sound model type */
+ UNKNOWN = -1,
+ /* use for key phrase sound models */
+ KEYPHRASE = 0,
+ /* use for all models other than keyphrase */
+ GENERIC = 1,
+};
+
+typedef int32_t SoundModelHandle;
+
+
+/*
+ * Recognition modes used in ISoundTriggerHw.RecognitionConfig,
+ * ISoundTriggerHw.Properties or PhraseRecognitionExtra
+ */
+enum RecognitionMode : uint32_t {
+ /* simple voice trigger */
+ VOICE_TRIGGER = (1 << 0),
+ /* trigger only if one user in model identified */
+ USER_IDENTIFICATION = (1 << 1),
+ /* trigger only if one user in mode authenticated */
+ USER_AUTHENTICATION = (1 << 2),
+ /* generic sound trigger */
+ GENERIC_TRIGGER = (1 << 3),
+};
+
+/*
+ * Confidence level for each user in structure PhraseRecognitionExtra
+ */
+struct ConfidenceLevel {
+ /* user ID */
+ uint32_t userId;
+ /* confidence level in percent (0 - 100): */
+ /* - min level for recognition configuration */
+ /* - detected level for recognition event */
+ uint32_t levelPercent;
+};
+
+/*
+ * Specialized recognition event for key phrase detection
+ */
+struct PhraseRecognitionExtra {
+ /* keyphrase ID */
+ uint32_t id;
+ /* recognition modes used for this keyphrase */
+ uint32_t recognitionModes;
+ /* confidence level for mode RecognitionMode.VOICE_TRIGGER */
+ uint32_t confidenceLevel;
+ /* list of confidence levels per user for
+ * RecognitionMode.USER_IDENTIFICATION and
+ * RecognitionMode.USER_AUTHENTICATION */
+ vec<ConfidenceLevel> levels;
+};
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