/* * Copyright (c) 2022-2024 Huawei Device Co., Ltd. * 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. */ #ifndef OHOS_IDAUDIO_HDI_CALLBACK_H #define OHOS_IDAUDIO_HDI_CALLBACK_H #include "audio_data.h" #include "audio_event.h" #include "audio_param.h" namespace OHOS { namespace DistributedHardware { class IDAudioHdiCallback { public: virtual ~IDAudioHdiCallback() = default; virtual int32_t CreateStream(const int32_t streamId) = 0; virtual int32_t DestroyStream(const int32_t streamId) = 0; virtual int32_t SetParameters(const int32_t streamId, const AudioParamHDF ¶m) = 0; virtual int32_t NotifyEvent(const int32_t streamId, const AudioEvent &event) = 0; virtual int32_t WriteStreamData(const int32_t streamId, std::shared_ptr &data) = 0; virtual int32_t ReadStreamData(const int32_t streamId, std::shared_ptr &data) = 0; virtual int32_t ReadMmapPosition(const int32_t streamId, uint64_t &frames, CurrentTimeHDF &time) = 0; virtual int32_t RefreshAshmemInfo(const int32_t streamId, int32_t fd, int32_t ashmemLength, int32_t lengthPerTrans) = 0; }; } // DistributedHardware } // OHOS #endif // OHOS_IDAUDIO_HDI_CALLBACK_H