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 package android.media; 17 18 /** 19 * {@hide} 20 */ 21 @Backing(type="int") 22 enum AudioUniqueIdUse { 23 UNSPECIFIED = 0, 24 SESSION = 1, // audio_session_t 25 // for allocated sessions, not special AUDIO_SESSION_* 26 MODULE = 2, // audio_module_handle_t 27 EFFECT = 3, // audio_effect_handle_t 28 PATCH = 4, // audio_patch_handle_t 29 OUTPUT = 5, // audio_io_handle_t 30 INPUT = 6, // audio_io_handle_t 31 CLIENT = 7, // client-side players and recorders 32 // FIXME should move to a separate namespace; 33 // these IDs are allocated by AudioFlinger on client request, 34 // but are never used by AudioFlinger 35 } 36