1 /* 2 * Copyright (c) 2024-2025 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 16 #ifndef OFFLINE_STREAM_IN_SERVER_H 17 #define OFFLINE_STREAM_IN_SERVER_H 18 19 #include <memory> 20 21 #include "ipc_offline_stream_stub.h" 22 #ifdef FEATURE_OFFLINE_EFFECT 23 #include "offline_audio_effect_server_chain.h" 24 #endif 25 26 namespace OHOS { 27 namespace AudioStandard { 28 class OfflineStreamInServer : public IpcOfflineStreamStub { 29 public: 30 static sptr<OfflineStreamInServer> GetOfflineStream(int32_t &errCode); 31 #ifdef FEATURE_OFFLINE_EFFECT 32 static int32_t GetOfflineAudioEffectChains(std::vector<std::string> &effectChains); 33 34 int32_t CreateOfflineEffectChain(const std::string &chainName) override; 35 36 int32_t ConfigureOfflineEffectChain(const AudioStreamInfo &inInfo, const AudioStreamInfo &outInfo) override; 37 38 int32_t SetParamOfflineEffectChain(const std::vector<uint8_t> ¶m) override; 39 40 int32_t PrepareOfflineEffectChain(std::shared_ptr<AudioSharedMemory> &inBuffer, 41 std::shared_ptr<AudioSharedMemory> &outBuffer) override; 42 43 int32_t ProcessOfflineEffectChain(uint32_t inSize, uint32_t outSize) override; 44 45 int32_t ReleaseOfflineEffectChain() override; 46 #endif 47 48 OfflineStreamInServer() = default; 49 ~OfflineStreamInServer() = default; 50 private: 51 int32_t AllocSharedMemory(uint32_t inSize, uint32_t outSize); 52 std::shared_ptr<AudioSharedMemory> serverBufferIn_; 53 std::shared_ptr<AudioSharedMemory> serverBufferOut_; 54 #ifdef FEATURE_OFFLINE_EFFECT 55 std::shared_ptr<OfflineAudioEffectServerChain> effectChain_; 56 #endif 57 }; 58 } // namespace AudioStandard 59 } // namespace OHOS 60 #endif // OFFLINE_STREAM_IN_SERVER_H 61