1 /* 2 * Copyright (C) 2015 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.car.media; 18 19 import android.car.media.CarAudioPatchHandle; 20 /** 21 * Binder interface for {@link android.car.media.CarAudioManager}. 22 * Check {@link android.car.media.CarAudioManager} APIs for expected behavior of each call. 23 * 24 * @hide 25 */ 26 interface ICarAudio { isDynamicRoutingEnabled()27 boolean isDynamicRoutingEnabled(); 28 setGroupVolume(int zoneId, int groupId, int index, int flags)29 void setGroupVolume(int zoneId, int groupId, int index, int flags); getGroupMaxVolume(int zoneId, int groupId)30 int getGroupMaxVolume(int zoneId, int groupId); getGroupMinVolume(int zoneId, int groupId)31 int getGroupMinVolume(int zoneId, int groupId); getGroupVolume(int zoneId, int groupId)32 int getGroupVolume(int zoneId, int groupId); 33 setFadeTowardFront(float value)34 void setFadeTowardFront(float value); setBalanceTowardRight(float value)35 void setBalanceTowardRight(float value); 36 getExternalSources()37 String[] getExternalSources(); createAudioPatch(in String sourceAddress, int usage, int gainInMillibels)38 CarAudioPatchHandle createAudioPatch(in String sourceAddress, int usage, int gainInMillibels); releaseAudioPatch(in CarAudioPatchHandle patch)39 void releaseAudioPatch(in CarAudioPatchHandle patch); 40 getVolumeGroupCount(int zoneId)41 int getVolumeGroupCount(int zoneId); getVolumeGroupIdForUsage(int zoneId, int usage)42 int getVolumeGroupIdForUsage(int zoneId, int usage); getUsagesForVolumeGroupId(int zoneId, int groupId)43 int[] getUsagesForVolumeGroupId(int zoneId, int groupId); 44 getAudioZoneIds()45 int[] getAudioZoneIds(); getZoneIdForUid(int uid)46 int getZoneIdForUid(int uid); setZoneIdForUid(int zoneId, int uid)47 boolean setZoneIdForUid(int zoneId, int uid); clearZoneIdForUid(int uid)48 boolean clearZoneIdForUid(int uid); 49 getZoneIdForDisplayPortId(byte displayPortId)50 int getZoneIdForDisplayPortId(byte displayPortId); 51 52 /** 53 * IBinder is ICarVolumeCallback but passed as IBinder due to aidl hidden. 54 */ registerVolumeCallback(in IBinder binder)55 void registerVolumeCallback(in IBinder binder); unregisterVolumeCallback(in IBinder binder)56 void unregisterVolumeCallback(in IBinder binder); 57 } 58