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.ICarAudioCallback; 20 import android.media.AudioAttributes; 21 import android.media.IVolumeController; 22 23 /** 24 * Binder interface for {@link android.car.media.CarAudioManager}. 25 * Check {@link android.car.media.CarAudioManager} APIs for expected behavior of each calls. 26 * 27 * @hide 28 */ 29 interface ICarAudio { getAudioAttributesForCarUsage(int carUsage)30 AudioAttributes getAudioAttributesForCarUsage(int carUsage) = 0; setStreamVolume(int streamType, int index, int flags)31 void setStreamVolume(int streamType, int index, int flags) = 1; 32 void setVolumeController(IVolumeController controller) = 2; getStreamMaxVolume(int streamType)33 int getStreamMaxVolume(int streamType) = 3; getStreamMinVolume(int streamType)34 int getStreamMinVolume(int streamType) = 4; getStreamVolume(int streamType)35 int getStreamVolume(int streamType) = 5; isMediaMuted()36 boolean isMediaMuted() = 6; setMediaMute(boolean mute)37 boolean setMediaMute(boolean mute) = 7; 38 AudioAttributes getAudioAttributesForRadio(in String radioType) = 8; 39 AudioAttributes getAudioAttributesForExternalSource(in String externalSourceType) = 9; getSupportedExternalSourceTypes()40 String[] getSupportedExternalSourceTypes() = 10; getSupportedRadioTypes()41 String[] getSupportedRadioTypes() = 11; getParameterKeys()42 String[] getParameterKeys() = 12; 43 void setParameters(in String parameters) = 13; 44 String getParameters(in String keys) = 14; 45 void registerOnParameterChangeListener(in ICarAudioCallback callback) = 15; 46 void unregisterOnParameterChangeListener(in ICarAudioCallback callback) = 16; 47 } 48