1 /* 2 * Copyright 2016 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package android.hardware.soundtrigger@2.0; 18 19 /** 20 * Sound model types modes used in ISoundTriggerHw.SoundModel 21 */ 22 enum SoundModelType : int32_t { 23 /** use for unspecified sound model type */ 24 UNKNOWN = -1, 25 /** use for key phrase sound models */ 26 KEYPHRASE = 0, 27 /** use for all models other than keyphrase */ 28 GENERIC = 1, 29 }; 30 31 typedef int32_t SoundModelHandle; 32 33 34 /** 35 * Recognition modes used in ISoundTriggerHw.RecognitionConfig, 36 * ISoundTriggerHw.Properties or PhraseRecognitionExtra 37 */ 38 enum RecognitionMode : uint32_t { 39 /** simple voice trigger */ 40 VOICE_TRIGGER = (1 << 0), 41 /** trigger only if one user in model identified */ 42 USER_IDENTIFICATION = (1 << 1), 43 /** trigger only if one user in mode authenticated */ 44 USER_AUTHENTICATION = (1 << 2), 45 /** generic sound trigger */ 46 GENERIC_TRIGGER = (1 << 3), 47 }; 48 49 /** 50 * Confidence level for each user in structure PhraseRecognitionExtra 51 */ 52 struct ConfidenceLevel { 53 /** user ID */ 54 uint32_t userId; 55 /** confidence level in percent (0 - 100): */ 56 /** - min level for recognition configuration */ 57 /** - detected level for recognition event */ 58 uint32_t levelPercent; 59 }; 60 61 /** 62 * Specialized recognition event for key phrase detection 63 */ 64 struct PhraseRecognitionExtra { 65 /** keyphrase ID */ 66 uint32_t id; 67 /** recognition modes used for this keyphrase */ 68 uint32_t recognitionModes; 69 /** confidence level for mode RecognitionMode.VOICE_TRIGGER */ 70 uint32_t confidenceLevel; 71 /** 72 * list of confidence levels per user for 73 * RecognitionMode.USER_IDENTIFICATION and 74 * RecognitionMode.USER_AUTHENTICATION */ 75 vec<ConfidenceLevel> levels; 76 }; 77 78
