1 /* 2 * Copyright (C) 2020 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; 18 19 import android.media.AudioAttributesInternal; 20 import android.media.AudioClient; 21 import android.media.AudioConfig; 22 import android.media.IAudioTrackCallback; 23 import android.media.SharedFileRegion; 24 25 /** 26 * CreateTrackInput contains all input arguments sent by AudioTrack to AudioFlinger 27 * when calling createTrack() including arguments that will be updated by AudioFlinger 28 * and returned in CreateTrackResponse object. 29 * 30 * {@hide} 31 */ 32 parcelable CreateTrackRequest { 33 AudioAttributesInternal attr; 34 AudioConfig config; 35 AudioClient clientInfo; 36 @nullable SharedFileRegion sharedBuffer; 37 int notificationsPerBuffer; 38 float speed; 39 IAudioTrackCallback audioTrackCallback; 40 @utf8InCpp String opPackageName; 41 /** Bitmask, indexed by AudioOutputFlags. */ 42 int flags; 43 long frameCount; 44 long notificationFrameCount; 45 /** Interpreted as audio_port_handle_t. */ 46 int selectedDeviceId; 47 int sessionId; 48 } 49