1 /* 2 * Copyright (C) 2021 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.media.audio.common; 18 19 import android.media.audio.common.AudioGain; 20 import android.media.audio.common.AudioIoFlags; 21 import android.media.audio.common.AudioPortExt; 22 import android.media.audio.common.AudioProfile; 23 import android.media.audio.common.ExtraAudioDescriptor; 24 25 /** 26 * Audio port structure describes the capabilities of an audio port. 27 * This is a "blueprint" which contains all the possible configurations 28 * that are supported by the port. 29 * 30 * {@hide} 31 */ 32 @JavaDerive(equals=true, toString=true) 33 @VintfStability 34 parcelable AudioPort { 35 /** 36 * Unique identifier of the port within a HAL module. 37 */ 38 int id; 39 /** 40 * Human-readable name describing the function of the port. 41 * E.g. "telephony_tx" or "fm_tuner". 42 */ 43 @utf8InCpp String name; 44 /** 45 * AudioProfiles supported by this port: format, rates, channels. 46 */ 47 AudioProfile[] profiles; 48 /** 49 * I/O feature flags. 50 */ 51 AudioIoFlags flags; 52 /** 53 * ExtraAudioDescriptors supported by this port. Used for formats not 54 * recognized by the platform. The audio capability is described by a 55 * hardware descriptor. 56 */ 57 ExtraAudioDescriptor[] extraAudioDescriptors; 58 /** Gain controllers. */ 59 AudioGain[] gains; 60 /** Extra parameters depending on the port role. */ 61 AudioPortExt ext; 62 } 63