1/* 2 * Copyright (c) 2023 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16package ohos.hdi.distributed_audio.audioext.v1_0; 17 18import ohos.hdi.distributed_audio.audioext.v1_0.Types; 19 20[callback] interface IDAudioCallback { 21 OpenDevice([in] String adpName, [in] int devId); 22 CloseDevice([in] String adpName, [in] int devId); 23 SetParameters([in] String adpName, [in] int devId, [in] struct AudioParameter param); 24 NotifyEvent([in] String adpName, [in] int devId, [in] struct DAudioEvent event); 25 WriteStreamData([in] String adpName, [in] int devId, [in] struct AudioData data); 26 ReadStreamData([in] String adpName, [in] int devId, [out] struct AudioData data); 27 ReadMmapPosition([in] String adpName, [in] int devId, [out] unsigned long frames, [out] struct CurrentTime time); 28 RefreshAshmemInfo([in] String adpName, [in] int devId, [in] FileDescriptor fd, [in] int ashmemLength, [in] int lengthPerTrans); 29}