/*
 * Copyright (C) 2020 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.media;

/**
 * {@hide}
 */
@Backing(type="int")
enum AudioSourceType {
    INVALID = -1,
    DEFAULT = 0,
    MIC = 1,
    VOICE_UPLINK = 2,
    VOICE_DOWNLINK = 3,
    VOICE_CALL = 4,
    CAMCORDER = 5,
    VOICE_RECOGNITION = 6,
    VOICE_COMMUNICATION = 7,
    REMOTE_SUBMIX = 8,
    UNPROCESSED = 9,
    VOICE_PERFORMANCE = 10,
    ECHO_REFERENCE = 1997,
    FM_TUNER = 1998,
    /**
     * A low-priority, preemptible audio source for for background software
     * hotword detection. Same tuning as VOICE_RECOGNITION.
     * Used only internally by the framework.
     */
    HOTWORD = 1999,
    ULTRASOUND = 2000,
}