1 /* 2 * Copyright (C) 2020 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 package android.media; 17 18 /** 19 * {@hide} 20 */ 21 @Backing(type="int") 22 enum AudioSourceType { 23 INVALID = -1, 24 DEFAULT = 0, 25 MIC = 1, 26 VOICE_UPLINK = 2, 27 VOICE_DOWNLINK = 3, 28 VOICE_CALL = 4, 29 CAMCORDER = 5, 30 VOICE_RECOGNITION = 6, 31 VOICE_COMMUNICATION = 7, 32 REMOTE_SUBMIX = 8, 33 UNPROCESSED = 9, 34 VOICE_PERFORMANCE = 10, 35 ECHO_REFERENCE = 1997, 36 FM_TUNER = 1998, 37 /** 38 * A low-priority, preemptible audio source for for background software 39 * hotword detection. Same tuning as VOICE_RECOGNITION. 40 * Used only internally by the framework. 41 */ 42 HOTWORD = 1999, 43 } 44