1 /* 2 * Copyright (C) 2021 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 com.android.car.audio; 18 19 import static android.media.AudioDeviceInfo.TYPE_BUILTIN_MIC; 20 21 import android.car.media.CarVolumeGroupEvent; 22 import android.car.media.CarVolumeGroupInfo; 23 import android.media.AudioDeviceInfo; 24 25 import java.util.List; 26 27 final class CarAudioUtils { CarAudioUtils()28 private CarAudioUtils() { 29 } 30 hasExpired(long startTimeMs, long currentTimeMs, int timeoutMs)31 static boolean hasExpired(long startTimeMs, long currentTimeMs, int timeoutMs) { 32 return (currentTimeMs - startTimeMs) > timeoutMs; 33 } 34 isMicrophoneInputDevice(AudioDeviceInfo device)35 static boolean isMicrophoneInputDevice(AudioDeviceInfo device) { 36 return device.getType() == TYPE_BUILTIN_MIC; 37 } 38 convertVolumeChangeToEvent(CarVolumeGroupInfo info, int flags, int eventTypes)39 static CarVolumeGroupEvent convertVolumeChangeToEvent(CarVolumeGroupInfo info, int flags, 40 int eventTypes) { 41 List<Integer> extraInfos = CarVolumeGroupEvent.convertFlagsToExtraInfo(flags, eventTypes); 42 return new CarVolumeGroupEvent.Builder(List.of(info), eventTypes, extraInfos).build(); 43 } 44 } 45