1 /* 2 * Copyright (C) 2024 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 #pragma once 18 19 #include <system/audio.h> 20 21 namespace android { 22 23 class VolumePortInterface : public virtual RefBase { 24 public: 25 virtual void setPortVolume(float volume) = 0; 26 virtual void setPortMute(bool mute) = 0; 27 virtual float getPortVolume() const = 0; 28 /** Returns the muted state defined by the volume group which is playing on this port. */ 29 virtual bool getPortMute() const = 0; 30 }; 31 32 } // namespace android 33