| /** |
| * Copyright (C) 2014 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; |
| |
| import static android.system.OsConstants.EINVAL; |
| import static android.system.OsConstants.ENODEV; |
| import static android.system.OsConstants.ENOSYS; |
| import static android.system.OsConstants.EPERM; |
| import static android.system.OsConstants.EPIPE; |
| |
| import android.annotation.Nullable; |
| import android.annotation.SystemApi; |
| import android.annotation.UnsupportedAppUsage; |
| import android.app.ActivityThread; |
| import android.media.AudioFormat; |
| import android.os.Handler; |
| import android.os.Parcel; |
| import android.os.Parcelable; |
| |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.UUID; |
| |
| /** |
| * The SoundTrigger class provides access via JNI to the native service managing |
| * the sound trigger HAL. |
| * |
| * @hide |
| */ |
| @SystemApi |
| public class SoundTrigger { |
| |
| private SoundTrigger() { |
| } |
| |
| /** |
| * Status code used when the operation succeeded |
| */ |
| public static final int STATUS_OK = 0; |
| /** @hide */ |
| public static final int STATUS_ERROR = Integer.MIN_VALUE; |
| /** @hide */ |
| public static final int STATUS_PERMISSION_DENIED = -EPERM; |
| /** @hide */ |
| public static final int STATUS_NO_INIT = -ENODEV; |
| /** @hide */ |
| public static final int STATUS_BAD_VALUE = -EINVAL; |
| /** @hide */ |
| public static final int STATUS_DEAD_OBJECT = -EPIPE; |
| /** @hide */ |
| public static final int STATUS_INVALID_OPERATION = -ENOSYS; |
| |
| /***************************************************************************** |
| * A ModuleProperties describes a given sound trigger hardware module |
| * managed by the native sound trigger service. Each module has a unique |
| * ID used to target any API call to this paricular module. Module |
| * properties are returned by listModules() method. |
| * |
| * @hide |
| ****************************************************************************/ |
| public static class ModuleProperties implements Parcelable { |
| /** Unique module ID provided by the native service */ |
| @UnsupportedAppUsage |
| public final int id; |
| |
| /** human readable voice detection engine implementor */ |
| public final String implementor; |
| |
| /** human readable voice detection engine description */ |
| public final String description; |
| |
| /** Unique voice engine Id (changes with each version) */ |
| @UnsupportedAppUsage |
| public final UUID uuid; |
| |
| /** Voice detection engine version */ |
| public final int version; |
| |
| /** Maximum number of active sound models */ |
| @UnsupportedAppUsage |
| public final int maxSoundModels; |
| |
| /** Maximum number of key phrases */ |
| public final int maxKeyphrases; |
| |
| /** Maximum number of users per key phrase */ |
| public final int maxUsers; |
| |
| /** Supported recognition modes (bit field, RECOGNITION_MODE_VOICE_TRIGGER ...) */ |
| public final int recognitionModes; |
| |
| /** Supports seamless transition to capture mode after recognition */ |
| public final boolean supportsCaptureTransition; |
| |
| /** Maximum buffering capacity in ms if supportsCaptureTransition() is true */ |
| public final int maxBufferMs; |
| |
| /** Supports capture by other use cases while detection is active */ |
| public final boolean supportsConcurrentCapture; |
| |
| /** Rated power consumption when detection is active with TDB silence/sound/speech ratio */ |
| public final int powerConsumptionMw; |
| |
| /** Returns the trigger (key phrase) capture in the binary data of the |
| * recognition callback event */ |
| public final boolean returnsTriggerInEvent; |
| |
| @UnsupportedAppUsage |
| ModuleProperties(int id, String implementor, String description, |
| String uuid, int version, int maxSoundModels, int maxKeyphrases, |
| int maxUsers, int recognitionModes, boolean supportsCaptureTransition, |
| int maxBufferMs, boolean supportsConcurrentCapture, |
| int powerConsumptionMw, boolean returnsTriggerInEvent) { |
| this.id = id; |
| this.implementor = implementor; |
| this.description = description; |
| this.uuid = UUID.fromString(uuid); |
| this.version = version; |
| this.maxSoundModels = maxSoundModels; |
| this.maxKeyphrases = maxKeyphrases; |
| this.maxUsers = maxUsers; |
| this.recognitionModes = recognitionModes; |
| this.supportsCaptureTransition = supportsCaptureTransition; |
| this.maxBufferMs = maxBufferMs; |
| this.supportsConcurrentCapture = supportsConcurrentCapture; |
| this.powerConsumptionMw = powerConsumptionMw; |
| this.returnsTriggerInEvent = returnsTriggerInEvent; |
| } |
| |
| public static final @android.annotation.NonNull Parcelable.Creator<ModuleProperties> CREATOR |
| = new Parcelable.Creator<ModuleProperties>() { |
| public ModuleProperties createFromParcel(Parcel in) { |
| return ModuleProperties.fromParcel(in); |
| } |
| |
| public ModuleProperties[] newArray(int size) { |
| return new ModuleProperties[size]; |
| } |
| }; |
| |
| private static ModuleProperties fromParcel(Parcel in) { |
| int id = in.readInt(); |
| String implementor = in.readString(); |
| String description = in.readString(); |
| String uuid = in.readString(); |
| int version = in.readInt(); |
| int maxSoundModels = in.readInt(); |
| int maxKeyphrases = in.readInt(); |
| int maxUsers = in.readInt(); |
| int recognitionModes = in.readInt(); |
| boolean supportsCaptureTransition = in.readByte() == 1; |
| int maxBufferMs = in.readInt(); |
| boolean supportsConcurrentCapture = in.readByte() == 1; |
| int powerConsumptionMw = in.readInt(); |
| boolean returnsTriggerInEvent = in.readByte() == 1; |
| return new ModuleProperties(id, implementor, description, uuid, version, |
| maxSoundModels, maxKeyphrases, maxUsers, recognitionModes, |
| supportsCaptureTransition, maxBufferMs, supportsConcurrentCapture, |
| powerConsumptionMw, returnsTriggerInEvent); |
| } |
| |
| @Override |
| public void writeToParcel(Parcel dest, int flags) { |
| dest.writeInt(id); |
| dest.writeString(implementor); |
| dest.writeString(description); |
| dest.writeString(uuid.toString()); |
| dest.writeInt(version); |
| dest.writeInt(maxSoundModels); |
| dest.writeInt(maxKeyphrases); |
| dest.writeInt(maxUsers); |
| dest.writeInt(recognitionModes); |
| dest.writeByte((byte) (supportsCaptureTransition ? 1 : 0)); |
| dest.writeInt(maxBufferMs); |
| dest.writeByte((byte) (supportsConcurrentCapture ? 1 : 0)); |
| dest.writeInt(powerConsumptionMw); |
| dest.writeByte((byte) (returnsTriggerInEvent ? 1 : 0)); |
| } |
| |
| @Override |
| public int describeContents() { |
| return 0; |
| } |
| |
| @Override |
| public String toString() { |
| return "ModuleProperties [id=" + id + ", implementor=" + implementor + ", description=" |
| + description + ", uuid=" + uuid + ", version=" + version + ", maxSoundModels=" |
| + maxSoundModels + ", maxKeyphrases=" + maxKeyphrases + ", maxUsers=" |
| + maxUsers + ", recognitionModes=" + recognitionModes |
| + ", supportsCaptureTransition=" + supportsCaptureTransition + ", maxBufferMs=" |
| + maxBufferMs + ", supportsConcurrentCapture=" + supportsConcurrentCapture |
| + ", powerConsumptionMw=" + powerConsumptionMw |
| + ", returnsTriggerInEvent=" + returnsTriggerInEvent + "]"; |
| } |
| } |
| |
| /***************************************************************************** |
| * A SoundModel describes the attributes and contains the binary data used by the hardware |
| * implementation to detect a particular sound pattern. |
| * A specialized version {@link KeyphraseSoundModel} is defined for key phrase |
| * sound models. |
| * |
| * @hide |
| ****************************************************************************/ |
| public static class SoundModel { |
| /** Undefined sound model type */ |
| public static final int TYPE_UNKNOWN = -1; |
| |
| /** Keyphrase sound model */ |
| public static final int TYPE_KEYPHRASE = 0; |
| |
| /** |
| * A generic sound model. Use this type only for non-keyphrase sound models such as |
| * ones that match a particular sound pattern. |
| */ |
| public static final int TYPE_GENERIC_SOUND = 1; |
| |
| /** Unique sound model identifier */ |
| @UnsupportedAppUsage |
| public final UUID uuid; |
| |
| /** Sound model type (e.g. TYPE_KEYPHRASE); */ |
| public final int type; |
| |
| /** Unique sound model vendor identifier */ |
| @UnsupportedAppUsage |
| public final UUID vendorUuid; |
| |
| /** Opaque data. For use by vendor implementation and enrollment application */ |
| @UnsupportedAppUsage |
| public final byte[] data; |
| |
| public SoundModel(UUID uuid, UUID vendorUuid, int type, byte[] data) { |
| this.uuid = uuid; |
| this.vendorUuid = vendorUuid; |
| this.type = type; |
| this.data = data; |
| } |
| |
| @Override |
| public int hashCode() { |
| final int prime = 31; |
| int result = 1; |
| result = prime * result + Arrays.hashCode(data); |
| result = prime * result + type; |
| result = prime * result + ((uuid == null) ? 0 : uuid.hashCode()); |
| result = prime * result + ((vendorUuid == null) ? 0 : vendorUuid.hashCode()); |
| return result; |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (this == obj) |
| return true; |
| if (obj == null) |
| return false; |
| if (!(obj instanceof SoundModel)) |
| return false; |
| SoundModel other = (SoundModel) obj; |
| if (!Arrays.equals(data, other.data)) |
| return false; |
| if (type != other.type) |
| return false; |
| if (uuid == null) { |
| if (other.uuid != null) |
| return false; |
| } else if (!uuid.equals(other.uuid)) |
| return false; |
| if (vendorUuid == null) { |
| if (other.vendorUuid != null) |
| return false; |
| } else if (!vendorUuid.equals(other.vendorUuid)) |
| return false; |
| return true; |
| } |
| } |
| |
| /***************************************************************************** |
| * A Keyphrase describes a key phrase that can be detected by a |
| * {@link KeyphraseSoundModel} |
| * |
| * @hide |
| ****************************************************************************/ |
| public static class Keyphrase implements Parcelable { |
| /** Unique identifier for this keyphrase */ |
| @UnsupportedAppUsage |
| public final int id; |
| |
| /** Recognition modes supported for this key phrase in the model */ |
| @UnsupportedAppUsage |
| public final int recognitionModes; |
| |
| /** Locale of the keyphrase. JAVA Locale string e.g en_US */ |
| @UnsupportedAppUsage |
| public final String locale; |
| |
| /** Key phrase text */ |
| @UnsupportedAppUsage |
| public final String text; |
| |
| /** Users this key phrase has been trained for. countains sound trigger specific user IDs |
| * derived from system user IDs {@link android.os.UserHandle#getIdentifier()}. */ |
| @UnsupportedAppUsage |
| public final int[] users; |
| |
| @UnsupportedAppUsage |
| public Keyphrase(int id, int recognitionModes, String locale, String text, int[] users) { |
| this.id = id; |
| this.recognitionModes = recognitionModes; |
| this.locale = locale; |
| this.text = text; |
| this.users = users; |
| } |
| |
| public static final @android.annotation.NonNull Parcelable.Creator<Keyphrase> CREATOR |
| = new Parcelable.Creator<Keyphrase>() { |
| public Keyphrase createFromParcel(Parcel in) { |
| return Keyphrase.fromParcel(in); |
| } |
| |
| public Keyphrase[] newArray(int size) { |
| return new Keyphrase[size]; |
| } |
| }; |
| |
| private static Keyphrase fromParcel(Parcel in) { |
| int id = in.readInt(); |
| int recognitionModes = in.readInt(); |
| String locale = in.readString(); |
| String text = in.readString(); |
| int[] users = null; |
| int numUsers = in.readInt(); |
| if (numUsers >= 0) { |
| users = new int[numUsers]; |
| in.readIntArray(users); |
| } |
| return new Keyphrase(id, recognitionModes, locale, text, users); |
| } |
| |
| @Override |
| public void writeToParcel(Parcel dest, int flags) { |
| dest.writeInt(id); |
| dest.writeInt(recognitionModes); |
| dest.writeString(locale); |
| dest.writeString(text); |
| if (users != null) { |
| dest.writeInt(users.length); |
| dest.writeIntArray(users); |
| } else { |
| dest.writeInt(-1); |
| } |
| } |
| |
| @Override |
| public int describeContents() { |
| return 0; |
| } |
| |
| @Override |
| public int hashCode() { |
| final int prime = 31; |
| int result = 1; |
| result = prime * result + ((text == null) ? 0 : text.hashCode()); |
| result = prime * result + id; |
| result = prime * result + ((locale == null) ? 0 : locale.hashCode()); |
| result = prime * result + recognitionModes; |
| result = prime * result + Arrays.hashCode(users); |
| return result; |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (this == obj) |
| return true; |
| if (obj == null) |
| return false; |
| if (getClass() != obj.getClass()) |
| return false; |
| Keyphrase other = (Keyphrase) obj; |
| if (text == null) { |
| if (other.text != null) |
| return false; |
| } else if (!text.equals(other.text)) |
| return false; |
| if (id != other.id) |
| return false; |
| if (locale == null) { |
| if (other.locale != null) |
| return false; |
| } else if (!locale.equals(other.locale)) |
| return false; |
| if (recognitionModes != other.recognitionModes) |
| return false; |
| if (!Arrays.equals(users, other.users)) |
| return false; |
| return true; |
| } |
| |
| @Override |
| public String toString() { |
| return "Keyphrase [id=" + id + ", recognitionModes=" + recognitionModes + ", locale=" |
| + locale + ", text=" + text + ", users=" + Arrays.toString(users) + "]"; |
| } |
| } |
| |
| /***************************************************************************** |
| * A KeyphraseSoundModel is a specialized {@link SoundModel} for key phrases. |
| * It contains data needed by the hardware to detect a certain number of key phrases |
| * and the list of corresponding {@link Keyphrase} descriptors. |
| * |
| * @hide |
| ****************************************************************************/ |
| public static class KeyphraseSoundModel extends SoundModel implements Parcelable { |
| /** Key phrases in this sound model */ |
| @UnsupportedAppUsage |
| public final Keyphrase[] keyphrases; // keyword phrases in model |
| |
| @UnsupportedAppUsage |
| public KeyphraseSoundModel( |
| UUID uuid, UUID vendorUuid, byte[] data, Keyphrase[] keyphrases) { |
| super(uuid, vendorUuid, TYPE_KEYPHRASE, data); |
| this.keyphrases = keyphrases; |
| } |
| |
| public static final @android.annotation.NonNull Parcelable.Creator<KeyphraseSoundModel> CREATOR |
| = new Parcelable.Creator<KeyphraseSoundModel>() { |
| public KeyphraseSoundModel createFromParcel(Parcel in) { |
| return KeyphraseSoundModel.fromParcel(in); |
| } |
| |
| public KeyphraseSoundModel[] newArray(int size) { |
| return new KeyphraseSoundModel[size]; |
| } |
| }; |
| |
| private static KeyphraseSoundModel fromParcel(Parcel in) { |
| UUID uuid = UUID.fromString(in.readString()); |
| UUID vendorUuid = null; |
| int length = in.readInt(); |
| if (length >= 0) { |
| vendorUuid = UUID.fromString(in.readString()); |
| } |
| byte[] data = in.readBlob(); |
| Keyphrase[] keyphrases = in.createTypedArray(Keyphrase.CREATOR); |
| return new KeyphraseSoundModel(uuid, vendorUuid, data, keyphrases); |
| } |
| |
| @Override |
| public int describeContents() { |
| return 0; |
| } |
| |
| @Override |
| public void writeToParcel(Parcel dest, int flags) { |
| dest.writeString(uuid.toString()); |
| if (vendorUuid == null) { |
| dest.writeInt(-1); |
| } else { |
| dest.writeInt(vendorUuid.toString().length()); |
| dest.writeString(vendorUuid.toString()); |
| } |
| dest.writeBlob(data); |
| dest.writeTypedArray(keyphrases, flags); |
| } |
| |
| @Override |
| public String toString() { |
| return "KeyphraseSoundModel [keyphrases=" + Arrays.toString(keyphrases) |
| + ", uuid=" + uuid + ", vendorUuid=" + vendorUuid |
| + ", type=" + type + ", data=" + (data == null ? 0 : data.length) + "]"; |
| } |
| |
| @Override |
| public int hashCode() { |
| final int prime = 31; |
| int result = super.hashCode(); |
| result = prime * result + Arrays.hashCode(keyphrases); |
| return result; |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (this == obj) |
| return true; |
| if (!super.equals(obj)) |
| return false; |
| if (!(obj instanceof KeyphraseSoundModel)) |
| return false; |
| KeyphraseSoundModel other = (KeyphraseSoundModel) obj; |
| if (!Arrays.equals(keyphrases, other.keyphrases)) |
| return false; |
| return true; |
| } |
| } |
| |
| |
| /***************************************************************************** |
| * A GenericSoundModel is a specialized {@link SoundModel} for non-voice sound |
| * patterns. |
| * |
| * @hide |
| ****************************************************************************/ |
| public static class GenericSoundModel extends SoundModel implements Parcelable { |
| |
| public static final @android.annotation.NonNull Parcelable.Creator<GenericSoundModel> CREATOR |
| = new Parcelable.Creator<GenericSoundModel>() { |
| public GenericSoundModel createFromParcel(Parcel in) { |
| return GenericSoundModel.fromParcel(in); |
| } |
| |
| public GenericSoundModel[] newArray(int size) { |
| return new GenericSoundModel[size]; |
| } |
| }; |
| |
| @UnsupportedAppUsage |
| public GenericSoundModel(UUID uuid, UUID vendorUuid, byte[] data) { |
| super(uuid, vendorUuid, TYPE_GENERIC_SOUND, data); |
| } |
| |
| @Override |
| public int describeContents() { |
| return 0; |
| } |
| |
| private static GenericSoundModel fromParcel(Parcel in) { |
| UUID uuid = UUID.fromString(in.readString()); |
| UUID vendorUuid = null; |
| int length = in.readInt(); |
| if (length >= 0) { |
| vendorUuid = UUID.fromString(in.readString()); |
| } |
| byte[] data = in.readBlob(); |
| return new GenericSoundModel(uuid, vendorUuid, data); |
| } |
| |
| @Override |
| public void writeToParcel(Parcel dest, int flags) { |
| dest.writeString(uuid.toString()); |
| if (vendorUuid == null) { |
| dest.writeInt(-1); |
| } else { |
| dest.writeInt(vendorUuid.toString().length()); |
| dest.writeString(vendorUuid.toString()); |
| } |
| dest.writeBlob(data); |
| } |
| |
| @Override |
| public String toString() { |
| return "GenericSoundModel [uuid=" + uuid + ", vendorUuid=" + vendorUuid |
| + ", type=" + type + ", data=" + (data == null ? 0 : data.length) + "]"; |
| } |
| } |
| |
| /** |
| * Modes for key phrase recognition |
| */ |
| |
| /** |
| * Simple recognition of the key phrase |
| * |
| * @hide |
| */ |
| public static final int RECOGNITION_MODE_VOICE_TRIGGER = 0x1; |
| /** |
| * Trigger only if one user is identified |
| * |
| * @hide |
| */ |
| public static final int RECOGNITION_MODE_USER_IDENTIFICATION = 0x2; |
| /** |
| * Trigger only if one user is authenticated |
| * |
| * @hide |
| */ |
| public static final int RECOGNITION_MODE_USER_AUTHENTICATION = 0x4; |
| |
| /** |
| * Status codes for {@link RecognitionEvent} |
| */ |
| /** |
| * Recognition success |
| * |
| * @hide |
| */ |
| public static final int RECOGNITION_STATUS_SUCCESS = 0; |
| /** |
| * Recognition aborted (e.g. capture preempted by anotehr use case |
| * |
| * @hide |
| */ |
| public static final int RECOGNITION_STATUS_ABORT = 1; |
| /** |
| * Recognition failure |
| * |
| * @hide |
| */ |
| public static final int RECOGNITION_STATUS_FAILURE = 2; |
| /** |
| * Recognition event was triggered by a getModelState request, not by the |
| * DSP. |
| * |
| * @hide |
| */ |
| public static final int RECOGNITION_STATUS_GET_STATE_RESPONSE = 3; |
| |
| /** |
| * A RecognitionEvent is provided by the |
| * {@code StatusListener#onRecognition(RecognitionEvent)} |
| * callback upon recognition success or failure. |
| */ |
| public static class RecognitionEvent { |
| /** |
| * Recognition status e.g RECOGNITION_STATUS_SUCCESS |
| * |
| * @hide |
| */ |
| @UnsupportedAppUsage |
| public final int status; |
| /** |
| * |
| * Sound Model corresponding to this event callback |
| * |
| * @hide |
| */ |
| @UnsupportedAppUsage |
| public final int soundModelHandle; |
| /** |
| * True if it is possible to capture audio from this utterance buffered by the hardware |
| * |
| * @hide |
| */ |
| @UnsupportedAppUsage |
| public final boolean captureAvailable; |
| /** |
| * Audio session ID to be used when capturing the utterance with an AudioRecord |
| * if captureAvailable() is true. |
| * |
| * @hide |
| */ |
| @UnsupportedAppUsage |
| public final int captureSession; |
| /** |
| * Delay in ms between end of model detection and start of audio available for capture. |
| * A negative value is possible (e.g. if keyphrase is also available for capture) |
| * |
| * @hide |
| */ |
| public final int captureDelayMs; |
| /** |
| * Duration in ms of audio captured before the start of the trigger. 0 if none. |
| * |
| * @hide |
| */ |
| public final int capturePreambleMs; |
| /** |
| * True if the trigger (key phrase capture is present in binary data |
| * |
| * @hide |
| */ |
| public final boolean triggerInData; |
| /** |
| * Audio format of either the trigger in event data or to use for capture of the |
| * rest of the utterance |
| * |
| * @hide |
| */ |
| public final AudioFormat captureFormat; |
| /** |
| * Opaque data for use by system applications who know about voice engine internals, |
| * typically during enrollment. |
| * |
| * @hide |
| */ |
| @UnsupportedAppUsage |
| public final byte[] data; |
| |
| /** @hide */ |
| @UnsupportedAppUsage |
| public RecognitionEvent(int status, int soundModelHandle, boolean captureAvailable, |
| int captureSession, int captureDelayMs, int capturePreambleMs, |
| boolean triggerInData, AudioFormat captureFormat, byte[] data) { |
| this.status = status; |
| this.soundModelHandle = soundModelHandle; |
| this.captureAvailable = captureAvailable; |
| this.captureSession = captureSession; |
| this.captureDelayMs = captureDelayMs; |
| this.capturePreambleMs = capturePreambleMs; |
| this.triggerInData = triggerInData; |
| this.captureFormat = captureFormat; |
| this.data = data; |
| } |
| |
| /** |
| * Check if is possible to capture audio from this utterance buffered by the hardware. |
| * |
| * @return {@code true} iff a capturing is possible |
| */ |
| public boolean isCaptureAvailable() { |
| return captureAvailable; |
| } |
| |
| /** |
| * Get the audio format of either the trigger in event data or to use for capture of the |
| * rest of the utterance |
| * |
| * @return the audio format |
| */ |
| @Nullable public AudioFormat getCaptureFormat() { |
| return captureFormat; |
| } |
| |
| /** |
| * Get Audio session ID to be used when capturing the utterance with an {@link AudioRecord} |
| * if {@link #isCaptureAvailable()} is true. |
| * |
| * @return The id of the capture session |
| */ |
| public int getCaptureSession() { |
| return captureSession; |
| } |
| |
| /** |
| * Get the opaque data for use by system applications who know about voice engine |
| * internals, typically during enrollment. |
| * |
| * @return The data of the event |
| */ |
| public byte[] getData() { |
| return data; |
| } |
| |
| /** @hide */ |
| public static final @android.annotation.NonNull Parcelable.Creator<RecognitionEvent> CREATOR |
| = new Parcelable.Creator<RecognitionEvent>() { |
| public RecognitionEvent createFromParcel(Parcel in) { |
| return RecognitionEvent.fromParcel(in); |
| } |
| |
| public RecognitionEvent[] newArray(int size) { |
| return new RecognitionEvent[size]; |
| } |
| }; |
| |
| /** @hide */ |
| protected static RecognitionEvent fromParcel(Parcel in) { |
| int status = in.readInt(); |
| int soundModelHandle = in.readInt(); |
| boolean captureAvailable = in.readByte() == 1; |
| int captureSession = in.readInt(); |
| int captureDelayMs = in.readInt(); |
| int capturePreambleMs = in.readInt(); |
| boolean triggerInData = in.readByte() == 1; |
| AudioFormat captureFormat = null; |
| if (in.readByte() == 1) { |
| int sampleRate = in.readInt(); |
| int encoding = in.readInt(); |
| int channelMask = in.readInt(); |
| captureFormat = (new AudioFormat.Builder()) |
| .setChannelMask(channelMask) |
| .setEncoding(encoding) |
| .setSampleRate(sampleRate) |
| .build(); |
| } |
| byte[] data = in.readBlob(); |
| return new RecognitionEvent(status, soundModelHandle, captureAvailable, captureSession, |
| captureDelayMs, capturePreambleMs, triggerInData, captureFormat, data); |
| } |
| |
| /** @hide */ |
| public int describeContents() { |
| return 0; |
| } |
| |
| /** @hide */ |
| public void writeToParcel(Parcel dest, int flags) { |
| dest.writeInt(status); |
| dest.writeInt(soundModelHandle); |
| dest.writeByte((byte) (captureAvailable ? 1 : 0)); |
| dest.writeInt(captureSession); |
| dest.writeInt(captureDelayMs); |
| dest.writeInt(capturePreambleMs); |
| dest.writeByte((byte) (triggerInData ? 1 : 0)); |
| if (captureFormat != null) { |
| dest.writeByte((byte)1); |
| dest.writeInt(captureFormat.getSampleRate()); |
| dest.writeInt(captureFormat.getEncoding()); |
| dest.writeInt(captureFormat.getChannelMask()); |
| } else { |
| dest.writeByte((byte)0); |
| } |
| dest.writeBlob(data); |
| } |
| |
| @Override |
| public int hashCode() { |
| final int prime = 31; |
| int result = 1; |
| result = prime * result + (captureAvailable ? 1231 : 1237); |
| result = prime * result + captureDelayMs; |
| result = prime * result + capturePreambleMs; |
| result = prime * result + captureSession; |
| result = prime * result + (triggerInData ? 1231 : 1237); |
| if (captureFormat != null) { |
| result = prime * result + captureFormat.getSampleRate(); |
| result = prime * result + captureFormat.getEncoding(); |
| result = prime * result + captureFormat.getChannelMask(); |
| } |
| result = prime * result + Arrays.hashCode(data); |
| result = prime * result + soundModelHandle; |
| result = prime * result + status; |
| return result; |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (this == obj) |
| return true; |
| if (obj == null) |
| return false; |
| if (getClass() != obj.getClass()) |
| return false; |
| RecognitionEvent other = (RecognitionEvent) obj; |
| if (captureAvailable != other.captureAvailable) |
| return false; |
| if (captureDelayMs != other.captureDelayMs) |
| return false; |
| if (capturePreambleMs != other.capturePreambleMs) |
| return false; |
| if (captureSession != other.captureSession) |
| return false; |
| if (!Arrays.equals(data, other.data)) |
| return false; |
| if (soundModelHandle != other.soundModelHandle) |
| return false; |
| if (status != other.status) |
| return false; |
| if (triggerInData != other.triggerInData) |
| return false; |
| if (captureFormat == null) { |
| if (other.captureFormat != null) |
| return false; |
| } else { |
| if (other.captureFormat == null) |
| return false; |
| if (captureFormat.getSampleRate() != other.captureFormat.getSampleRate()) |
| return false; |
| if (captureFormat.getEncoding() != other.captureFormat.getEncoding()) |
| return false; |
| if (captureFormat.getChannelMask() != other.captureFormat.getChannelMask()) |
| return false; |
| } |
| return true; |
| } |
| |
| @Override |
| public String toString() { |
| return "RecognitionEvent [status=" + status + ", soundModelHandle=" + soundModelHandle |
| + ", captureAvailable=" + captureAvailable + ", captureSession=" |
| + captureSession + ", captureDelayMs=" + captureDelayMs |
| + ", capturePreambleMs=" + capturePreambleMs |
| + ", triggerInData=" + triggerInData |
| + ((captureFormat == null) ? "" : |
| (", sampleRate=" + captureFormat.getSampleRate())) |
| + ((captureFormat == null) ? "" : |
| (", encoding=" + captureFormat.getEncoding())) |
| + ((captureFormat == null) ? "" : |
| (", channelMask=" + captureFormat.getChannelMask())) |
| + ", data=" + (data == null ? 0 : data.length) + "]"; |
| } |
| } |
| |
| /** |
| * A RecognitionConfig is provided to |
| * {@link SoundTriggerModule#startRecognition(int, RecognitionConfig)} to configure the |
| * recognition request. |
| * |
| * @hide |
| */ |
| public static class RecognitionConfig implements Parcelable { |
| /** True if the DSP should capture the trigger sound and make it available for further |
| * capture. */ |
| @UnsupportedAppUsage |
| public final boolean captureRequested; |
| /** |
| * True if the service should restart listening after the DSP triggers. |
| * Note: This config flag is currently used at the service layer rather than by the DSP. |
| */ |
| public final boolean allowMultipleTriggers; |
| /** List of all keyphrases in the sound model for which recognition should be performed with |
| * options for each keyphrase. */ |
| @UnsupportedAppUsage |
| public final KeyphraseRecognitionExtra keyphrases[]; |
| /** Opaque data for use by system applications who know about voice engine internals, |
| * typically during enrollment. */ |
| @UnsupportedAppUsage |
| public final byte[] data; |
| |
| @UnsupportedAppUsage |
| public RecognitionConfig(boolean captureRequested, boolean allowMultipleTriggers, |
| KeyphraseRecognitionExtra[] keyphrases, byte[] data) { |
| this.captureRequested = captureRequested; |
| this.allowMultipleTriggers = allowMultipleTriggers; |
| this.keyphrases = keyphrases; |
| this.data = data; |
| } |
| |
| public static final @android.annotation.NonNull Parcelable.Creator<RecognitionConfig> CREATOR |
| = new Parcelable.Creator<RecognitionConfig>() { |
| public RecognitionConfig createFromParcel(Parcel in) { |
| return RecognitionConfig.fromParcel(in); |
| } |
| |
| public RecognitionConfig[] newArray(int size) { |
| return new RecognitionConfig[size]; |
| } |
| }; |
| |
| private static RecognitionConfig fromParcel(Parcel in) { |
| boolean captureRequested = in.readByte() == 1; |
| boolean allowMultipleTriggers = in.readByte() == 1; |
| KeyphraseRecognitionExtra[] keyphrases = |
| in.createTypedArray(KeyphraseRecognitionExtra.CREATOR); |
| byte[] data = in.readBlob(); |
| return new RecognitionConfig(captureRequested, allowMultipleTriggers, keyphrases, data); |
| } |
| |
| @Override |
| public void writeToParcel(Parcel dest, int flags) { |
| dest.writeByte((byte) (captureRequested ? 1 : 0)); |
| dest.writeByte((byte) (allowMultipleTriggers ? 1 : 0)); |
| dest.writeTypedArray(keyphrases, flags); |
| dest.writeBlob(data); |
| } |
| |
| @Override |
| public int describeContents() { |
| return 0; |
| } |
| |
| @Override |
| public String toString() { |
| return "RecognitionConfig [captureRequested=" + captureRequested |
| + ", allowMultipleTriggers=" + allowMultipleTriggers + ", keyphrases=" |
| + Arrays.toString(keyphrases) + ", data=" + Arrays.toString(data) + "]"; |
| } |
| } |
| |
| /** |
| * Confidence level for users defined in a keyphrase. |
| * - The confidence level is expressed in percent (0% -100%). |
| * When used in a {@link KeyphraseRecognitionEvent} it indicates the detected confidence level |
| * When used in a {@link RecognitionConfig} it indicates the minimum confidence level that |
| * should trigger a recognition. |
| * - The user ID is derived from the system ID {@link android.os.UserHandle#getIdentifier()}. |
| * |
| * @hide |
| */ |
| public static class ConfidenceLevel implements Parcelable { |
| @UnsupportedAppUsage |
| public final int userId; |
| @UnsupportedAppUsage |
| public final int confidenceLevel; |
| |
| @UnsupportedAppUsage |
| public ConfidenceLevel(int userId, int confidenceLevel) { |
| this.userId = userId; |
| this.confidenceLevel = confidenceLevel; |
| } |
| |
| public static final @android.annotation.NonNull Parcelable.Creator<ConfidenceLevel> CREATOR |
| = new Parcelable.Creator<ConfidenceLevel>() { |
| public ConfidenceLevel createFromParcel(Parcel in) { |
| return ConfidenceLevel.fromParcel(in); |
| } |
| |
| public ConfidenceLevel[] newArray(int size) { |
| return new ConfidenceLevel[size]; |
| } |
| }; |
| |
| private static ConfidenceLevel fromParcel(Parcel in) { |
| int userId = in.readInt(); |
| int confidenceLevel = in.readInt(); |
| return new ConfidenceLevel(userId, confidenceLevel); |
| } |
| |
| @Override |
| public void writeToParcel(Parcel dest, int flags) { |
| dest.writeInt(userId); |
| dest.writeInt(confidenceLevel); |
| } |
| |
| @Override |
| public int describeContents() { |
| return 0; |
| } |
| |
| @Override |
| public int hashCode() { |
| final int prime = 31; |
| int result = 1; |
| result = prime * result + confidenceLevel; |
| result = prime * result + userId; |
| return result; |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (this == obj) |
| return true; |
| if (obj == null) |
| return false; |
| if (getClass() != obj.getClass()) |
| return false; |
| ConfidenceLevel other = (ConfidenceLevel) obj; |
| if (confidenceLevel != other.confidenceLevel) |
| return false; |
| if (userId != other.userId) |
| return false; |
| return true; |
| } |
| |
| @Override |
| public String toString() { |
| return "ConfidenceLevel [userId=" + userId |
| + ", confidenceLevel=" + confidenceLevel + "]"; |
| } |
| } |
| |
| /** |
| * Additional data conveyed by a {@link KeyphraseRecognitionEvent} |
| * for a key phrase detection. |
| * |
| * @hide |
| */ |
| public static class KeyphraseRecognitionExtra implements Parcelable { |
| /** The keyphrase ID */ |
| @UnsupportedAppUsage |
| public final int id; |
| |
| /** Recognition modes matched for this event */ |
| @UnsupportedAppUsage |
| public final int recognitionModes; |
| |
| /** Confidence level for mode RECOGNITION_MODE_VOICE_TRIGGER when user identification |
| * is not performed */ |
| @UnsupportedAppUsage |
| public final int coarseConfidenceLevel; |
| |
| /** Confidence levels for all users recognized (KeyphraseRecognitionEvent) or to |
| * be recognized (RecognitionConfig) */ |
| @UnsupportedAppUsage |
| public final ConfidenceLevel[] confidenceLevels; |
| |
| @UnsupportedAppUsage |
| public KeyphraseRecognitionExtra(int id, int recognitionModes, int coarseConfidenceLevel, |
| ConfidenceLevel[] confidenceLevels) { |
| this.id = id; |
| this.recognitionModes = recognitionModes; |
| this.coarseConfidenceLevel = coarseConfidenceLevel; |
| this.confidenceLevels = confidenceLevels; |
| } |
| |
| public static final @android.annotation.NonNull Parcelable.Creator<KeyphraseRecognitionExtra> CREATOR |
| = new Parcelable.Creator<KeyphraseRecognitionExtra>() { |
| public KeyphraseRecognitionExtra createFromParcel(Parcel in) { |
| return KeyphraseRecognitionExtra.fromParcel(in); |
| } |
| |
| public KeyphraseRecognitionExtra[] newArray(int size) { |
| return new KeyphraseRecognitionExtra[size]; |
| } |
| }; |
| |
| private static KeyphraseRecognitionExtra fromParcel(Parcel in) { |
| int id = in.readInt(); |
| int recognitionModes = in.readInt(); |
| int coarseConfidenceLevel = in.readInt(); |
| ConfidenceLevel[] confidenceLevels = in.createTypedArray(ConfidenceLevel.CREATOR); |
| return new KeyphraseRecognitionExtra(id, recognitionModes, coarseConfidenceLevel, |
| confidenceLevels); |
| } |
| |
| @Override |
| public void writeToParcel(Parcel dest, int flags) { |
| dest.writeInt(id); |
| dest.writeInt(recognitionModes); |
| dest.writeInt(coarseConfidenceLevel); |
| dest.writeTypedArray(confidenceLevels, flags); |
| } |
| |
| @Override |
| public int describeContents() { |
| return 0; |
| } |
| |
| @Override |
| public int hashCode() { |
| final int prime = 31; |
| int result = 1; |
| result = prime * result + Arrays.hashCode(confidenceLevels); |
| result = prime * result + id; |
| result = prime * result + recognitionModes; |
| result = prime * result + coarseConfidenceLevel; |
| return result; |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (this == obj) |
| return true; |
| if (obj == null) |
| return false; |
| if (getClass() != obj.getClass()) |
| return false; |
| KeyphraseRecognitionExtra other = (KeyphraseRecognitionExtra) obj; |
| if (!Arrays.equals(confidenceLevels, other.confidenceLevels)) |
| return false; |
| if (id != other.id) |
| return false; |
| if (recognitionModes != other.recognitionModes) |
| return false; |
| if (coarseConfidenceLevel != other.coarseConfidenceLevel) |
| return false; |
| return true; |
| } |
| |
| @Override |
| public String toString() { |
| return "KeyphraseRecognitionExtra [id=" + id + ", recognitionModes=" + recognitionModes |
| + ", coarseConfidenceLevel=" + coarseConfidenceLevel |
| + ", confidenceLevels=" + Arrays.toString(confidenceLevels) + "]"; |
| } |
| } |
| |
| /** |
| * Specialized {@link RecognitionEvent} for a key phrase detection. |
| * |
| * @hide |
| */ |
| public static class KeyphraseRecognitionEvent extends RecognitionEvent implements Parcelable { |
| /** Indicates if the key phrase is present in the buffered audio available for capture */ |
| @UnsupportedAppUsage |
| public final KeyphraseRecognitionExtra[] keyphraseExtras; |
| |
| @UnsupportedAppUsage |
| public KeyphraseRecognitionEvent(int status, int soundModelHandle, boolean captureAvailable, |
| int captureSession, int captureDelayMs, int capturePreambleMs, |
| boolean triggerInData, AudioFormat captureFormat, byte[] data, |
| KeyphraseRecognitionExtra[] keyphraseExtras) { |
| super(status, soundModelHandle, captureAvailable, captureSession, captureDelayMs, |
| capturePreambleMs, triggerInData, captureFormat, data); |
| this.keyphraseExtras = keyphraseExtras; |
| } |
| |
| public static final @android.annotation.NonNull Parcelable.Creator<KeyphraseRecognitionEvent> CREATOR |
| = new Parcelable.Creator<KeyphraseRecognitionEvent>() { |
| public KeyphraseRecognitionEvent createFromParcel(Parcel in) { |
| return KeyphraseRecognitionEvent.fromParcelForKeyphrase(in); |
| } |
| |
| public KeyphraseRecognitionEvent[] newArray(int size) { |
| return new KeyphraseRecognitionEvent[size]; |
| } |
| }; |
| |
| private static KeyphraseRecognitionEvent fromParcelForKeyphrase(Parcel in) { |
| int status = in.readInt(); |
| int soundModelHandle = in.readInt(); |
| boolean captureAvailable = in.readByte() == 1; |
| int captureSession = in.readInt(); |
| int captureDelayMs = in.readInt(); |
| int capturePreambleMs = in.readInt(); |
| boolean triggerInData = in.readByte() == 1; |
| AudioFormat captureFormat = null; |
| if (in.readByte() == 1) { |
| int sampleRate = in.readInt(); |
| int encoding = in.readInt(); |
| int channelMask = in.readInt(); |
| captureFormat = (new AudioFormat.Builder()) |
| .setChannelMask(channelMask) |
| .setEncoding(encoding) |
| .setSampleRate(sampleRate) |
| .build(); |
| } |
| byte[] data = in.readBlob(); |
| KeyphraseRecognitionExtra[] keyphraseExtras = |
| in.createTypedArray(KeyphraseRecognitionExtra.CREATOR); |
| return new KeyphraseRecognitionEvent(status, soundModelHandle, captureAvailable, |
| captureSession, captureDelayMs, capturePreambleMs, triggerInData, |
| captureFormat, data, keyphraseExtras); |
| } |
| |
| @Override |
| public void writeToParcel(Parcel dest, int flags) { |
| dest.writeInt(status); |
| dest.writeInt(soundModelHandle); |
| dest.writeByte((byte) (captureAvailable ? 1 : 0)); |
| dest.writeInt(captureSession); |
| dest.writeInt(captureDelayMs); |
| dest.writeInt(capturePreambleMs); |
| dest.writeByte((byte) (triggerInData ? 1 : 0)); |
| if (captureFormat != null) { |
| dest.writeByte((byte)1); |
| dest.writeInt(captureFormat.getSampleRate()); |
| dest.writeInt(captureFormat.getEncoding()); |
| dest.writeInt(captureFormat.getChannelMask()); |
| } else { |
| dest.writeByte((byte)0); |
| } |
| dest.writeBlob(data); |
| dest.writeTypedArray(keyphraseExtras, flags); |
| } |
| |
| @Override |
| public int describeContents() { |
| return 0; |
| } |
| |
| @Override |
| public int hashCode() { |
| final int prime = 31; |
| int result = super.hashCode(); |
| result = prime * result + Arrays.hashCode(keyphraseExtras); |
| return result; |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (this == obj) |
| return true; |
| if (!super.equals(obj)) |
| return false; |
| if (getClass() != obj.getClass()) |
| return false; |
| KeyphraseRecognitionEvent other = (KeyphraseRecognitionEvent) obj; |
| if (!Arrays.equals(keyphraseExtras, other.keyphraseExtras)) |
| return false; |
| return true; |
| } |
| |
| @Override |
| public String toString() { |
| return "KeyphraseRecognitionEvent [keyphraseExtras=" + Arrays.toString(keyphraseExtras) |
| + ", status=" + status |
| + ", soundModelHandle=" + soundModelHandle + ", captureAvailable=" |
| + captureAvailable + ", captureSession=" + captureSession + ", captureDelayMs=" |
| + captureDelayMs + ", capturePreambleMs=" + capturePreambleMs |
| + ", triggerInData=" + triggerInData |
| + ((captureFormat == null) ? "" : |
| (", sampleRate=" + captureFormat.getSampleRate())) |
| + ((captureFormat == null) ? "" : |
| (", encoding=" + captureFormat.getEncoding())) |
| + ((captureFormat == null) ? "" : |
| (", channelMask=" + captureFormat.getChannelMask())) |
| + ", data=" + (data == null ? 0 : data.length) + "]"; |
| } |
| } |
| |
| /** |
| * Sub-class of RecognitionEvent specifically for sound-trigger based sound |
| * models(non-keyphrase). Currently does not contain any additional fields. |
| * |
| * @hide |
| */ |
| public static class GenericRecognitionEvent extends RecognitionEvent implements Parcelable { |
| @UnsupportedAppUsage |
| public GenericRecognitionEvent(int status, int soundModelHandle, |
| boolean captureAvailable, int captureSession, int captureDelayMs, |
| int capturePreambleMs, boolean triggerInData, AudioFormat captureFormat, |
| byte[] data) { |
| super(status, soundModelHandle, captureAvailable, captureSession, |
| captureDelayMs, capturePreambleMs, triggerInData, captureFormat, |
| data); |
| } |
| |
| public static final @android.annotation.NonNull Parcelable.Creator<GenericRecognitionEvent> CREATOR |
| = new Parcelable.Creator<GenericRecognitionEvent>() { |
| public GenericRecognitionEvent createFromParcel(Parcel in) { |
| return GenericRecognitionEvent.fromParcelForGeneric(in); |
| } |
| |
| public GenericRecognitionEvent[] newArray(int size) { |
| return new GenericRecognitionEvent[size]; |
| } |
| }; |
| |
| private static GenericRecognitionEvent fromParcelForGeneric(Parcel in) { |
| RecognitionEvent event = RecognitionEvent.fromParcel(in); |
| return new GenericRecognitionEvent(event.status, event.soundModelHandle, |
| event.captureAvailable, event.captureSession, event.captureDelayMs, |
| event.capturePreambleMs, event.triggerInData, event.captureFormat, event.data); |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (this == obj) |
| return true; |
| if (obj == null) |
| return false; |
| if (getClass() != obj.getClass()) return false; |
| RecognitionEvent other = (RecognitionEvent) obj; |
| return super.equals(obj); |
| } |
| |
| @Override |
| public String toString() { |
| return "GenericRecognitionEvent ::" + super.toString(); |
| } |
| } |
| |
| /** |
| * Status codes for {@link SoundModelEvent} |
| */ |
| /** |
| * Sound Model was updated |
| * |
| * @hide |
| */ |
| public static final int SOUNDMODEL_STATUS_UPDATED = 0; |
| |
| /** |
| * A SoundModelEvent is provided by the |
| * {@link StatusListener#onSoundModelUpdate(SoundModelEvent)} |
| * callback when a sound model has been updated by the implementation |
| * |
| * @hide |
| */ |
| public static class SoundModelEvent implements Parcelable { |
| /** Status e.g {@link #SOUNDMODEL_STATUS_UPDATED} */ |
| public final int status; |
| /** The updated sound model handle */ |
| public final int soundModelHandle; |
| /** New sound model data */ |
| public final byte[] data; |
| |
| @UnsupportedAppUsage |
| SoundModelEvent(int status, int soundModelHandle, byte[] data) { |
| this.status = status; |
| this.soundModelHandle = soundModelHandle; |
| this.data = data; |
| } |
| |
| public static final @android.annotation.NonNull Parcelable.Creator<SoundModelEvent> CREATOR |
| = new Parcelable.Creator<SoundModelEvent>() { |
| public SoundModelEvent createFromParcel(Parcel in) { |
| return SoundModelEvent.fromParcel(in); |
| } |
| |
| public SoundModelEvent[] newArray(int size) { |
| return new SoundModelEvent[size]; |
| } |
| }; |
| |
| private static SoundModelEvent fromParcel(Parcel in) { |
| int status = in.readInt(); |
| int soundModelHandle = in.readInt(); |
| byte[] data = in.readBlob(); |
| return new SoundModelEvent(status, soundModelHandle, data); |
| } |
| |
| @Override |
| public int describeContents() { |
| return 0; |
| } |
| |
| @Override |
| public void writeToParcel(Parcel dest, int flags) { |
| dest.writeInt(status); |
| dest.writeInt(soundModelHandle); |
| dest.writeBlob(data); |
| } |
| |
| @Override |
| public int hashCode() { |
| final int prime = 31; |
| int result = 1; |
| result = prime * result + Arrays.hashCode(data); |
| result = prime * result + soundModelHandle; |
| result = prime * result + status; |
| return result; |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (this == obj) |
| return true; |
| if (obj == null) |
| return false; |
| if (getClass() != obj.getClass()) |
| return false; |
| SoundModelEvent other = (SoundModelEvent) obj; |
| if (!Arrays.equals(data, other.data)) |
| return false; |
| if (soundModelHandle != other.soundModelHandle) |
| return false; |
| if (status != other.status) |
| return false; |
| return true; |
| } |
| |
| @Override |
| public String toString() { |
| return "SoundModelEvent [status=" + status + ", soundModelHandle=" + soundModelHandle |
| + ", data=" + (data == null ? 0 : data.length) + "]"; |
| } |
| } |
| |
| /** |
| * Native service state. {@link StatusListener#onServiceStateChange(int)} |
| */ |
| // Keep in sync with system/core/include/system/sound_trigger.h |
| /** |
| * Sound trigger service is enabled |
| * |
| * @hide |
| */ |
| public static final int SERVICE_STATE_ENABLED = 0; |
| /** |
| * Sound trigger service is disabled |
| * |
| * @hide |
| */ |
| public static final int SERVICE_STATE_DISABLED = 1; |
| |
| /** |
| * @return returns current package name. |
| */ |
| static String getCurrentOpPackageName() { |
| String packageName = ActivityThread.currentOpPackageName(); |
| if (packageName == null) { |
| return ""; |
| } |
| return packageName; |
| } |
| |
| /** |
| * Returns a list of descriptors for all hardware modules loaded. |
| * @param modules A ModuleProperties array where the list will be returned. |
| * @return - {@link #STATUS_OK} in case of success |
| * - {@link #STATUS_ERROR} in case of unspecified error |
| * - {@link #STATUS_PERMISSION_DENIED} if the caller does not have system permission |
| * - {@link #STATUS_NO_INIT} if the native service cannot be reached |
| * - {@link #STATUS_BAD_VALUE} if modules is null |
| * - {@link #STATUS_DEAD_OBJECT} if the binder transaction to the native service fails |
| * |
| * @hide |
| */ |
| @UnsupportedAppUsage |
| public static int listModules(ArrayList<ModuleProperties> modules) { |
| return listModules(getCurrentOpPackageName(), modules); |
| } |
| |
| /** |
| * Returns a list of descriptors for all hardware modules loaded. |
| * @param opPackageName |
| * @param modules A ModuleProperties array where the list will be returned. |
| * @return - {@link #STATUS_OK} in case of success |
| * - {@link #STATUS_ERROR} in case of unspecified error |
| * - {@link #STATUS_PERMISSION_DENIED} if the caller does not have system permission |
| * - {@link #STATUS_NO_INIT} if the native service cannot be reached |
| * - {@link #STATUS_BAD_VALUE} if modules is null |
| * - {@link #STATUS_DEAD_OBJECT} if the binder transaction to the native service fails |
| */ |
| private static native int listModules(String opPackageName, |
| ArrayList<ModuleProperties> modules); |
| |
| /** |
| * Get an interface on a hardware module to control sound models and recognition on |
| * this module. |
| * @param moduleId Sound module system identifier {@link ModuleProperties#id}. mandatory. |
| * @param listener {@link StatusListener} interface. Mandatory. |
| * @param handler the Handler that will receive the callabcks. Can be null if default handler |
| * is OK. |
| * @return a valid sound module in case of success or null in case of error. |
| * |
| * @hide |
| */ |
| @UnsupportedAppUsage |
| public static SoundTriggerModule attachModule(int moduleId, |
| StatusListener listener, |
| Handler handler) { |
| if (listener == null) { |
| return null; |
| } |
| SoundTriggerModule module = new SoundTriggerModule(moduleId, listener, handler); |
| return module; |
| } |
| |
| /** |
| * Interface provided by the client application when attaching to a {@link SoundTriggerModule} |
| * to received recognition and error notifications. |
| * |
| * @hide |
| */ |
| public static interface StatusListener { |
| /** |
| * Called when recognition succeeds of fails |
| */ |
| public abstract void onRecognition(RecognitionEvent event); |
| |
| /** |
| * Called when a sound model has been updated |
| */ |
| public abstract void onSoundModelUpdate(SoundModelEvent event); |
| |
| /** |
| * Called when the sound trigger native service state changes. |
| * @param state Native service state. One of {@link SoundTrigger#SERVICE_STATE_ENABLED}, |
| * {@link SoundTrigger#SERVICE_STATE_DISABLED} |
| */ |
| public abstract void onServiceStateChange(int state); |
| |
| /** |
| * Called when the sound trigger native service dies |
| */ |
| public abstract void onServiceDied(); |
| } |
| } |
