/* * Copyright (C) 2022 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 com.android.audiopolicytest; import android.media.AudioAttributes; import android.media.audiopolicy.AudioProductStrategy; class AudioVolumeTestUtil { // Default matches the invalid (empty) attributes from native. // The difference is the input source default which is not aligned between native and java public static final AudioAttributes DEFAULT_ATTRIBUTES = AudioProductStrategy.getDefaultAttributes(); public static final AudioAttributes INVALID_ATTRIBUTES = new AudioAttributes.Builder().build(); public static int resetVolumeIndex(int indexMin, int indexMax) { return (indexMax + indexMin) / 2; } public static int incrementVolumeIndex(int index, int indexMin, int indexMax) { return (index + 1 > indexMax) ? resetVolumeIndex(indexMin, indexMax) : ++index; } }