/* * Copyright (C) 2023 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. */ #pragma once #include namespace android { class VolumeInterface : public virtual RefBase { public: virtual void setMasterVolume(float value) = 0; virtual void setMasterBalance(float balance) = 0; virtual void setMasterMute(bool muted) = 0; virtual void setStreamVolume(audio_stream_type_t stream, float value) = 0; virtual void setStreamMute(audio_stream_type_t stream, bool muted) = 0; // TODO(b/290699744) add "get" prefix for getter below. virtual float streamVolume(audio_stream_type_t stream) const = 0; }; } // namespace android