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/*
* Copyright (C) 2015 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.car.media;
import android.car.media.CarAudioPatchHandle;
/**
* Binder interface for {@link android.car.media.CarAudioManager}.
* Check {@link android.car.media.CarAudioManager} APIs for expected behavior of each call.
*
* @hide
*/
interface ICarAudio {
void setGroupVolume(int groupId, int index, int flags);
int getGroupMaxVolume(int groupId);
int getGroupMinVolume(int groupId);
int getGroupVolume(int groupId);
void setFadeTowardFront(float value);
void setBalanceTowardRight(float value);
String[] getExternalSources();
CarAudioPatchHandle createAudioPatch(in String sourceAddress, int usage, int gainInMillibels);
void releaseAudioPatch(in CarAudioPatchHandle patch);
int getVolumeGroupCount();
int getVolumeGroupIdForUsage(int usage);
int[] getUsagesForVolumeGroupId(int groupId);
/**
* IBinder is ICarVolumeCallback but passed as IBinder due to aidl hidden.
*/
void registerVolumeCallback(in IBinder binder);
void unregisterVolumeCallback(in IBinder binder);
}
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