1 
2 /*
3  * Copyright (c) 2024 Huawei Device Co., Ltd.
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 #ifndef OFFLINE_AUDIO_EFFECT_CHAIN_IMPL_H
18 #define OFFLINE_AUDIO_EFFECT_CHAIN_IMPL_H
19 
20 #include <mutex>
21 #include <shared_mutex>
22 
23 #include "offline_audio_effect_manager.h"
24 #include "oh_audio_buffer.h"
25 
26 namespace OHOS {
27 namespace AudioStandard {
28 class OfflineAudioEffectChainImpl : public OfflineAudioEffectChain {
29 public:
30     int32_t Configure(const AudioStreamInfo &inInfo, const AudioStreamInfo &outInfo) override;
31 
32     int32_t Prepare() override;
33 
34     int32_t GetEffectBufferSize(uint32_t &inBufferSize, uint32_t &outBufferSize) override;
35 
36     int32_t Process(uint8_t *inBuffer, int32_t inSize, uint8_t *outBuffer, int32_t outSize) override;
37 
38     void Release() override;
39 
40     OfflineAudioEffectChainImpl(const std::string &chainName);
41 
42     ~OfflineAudioEffectChainImpl();
43 
44     int32_t CreateEffectChain();
45 private:
46     void InitDump();
47 
48     std::string chainName_;
49     std::shared_ptr<OfflineStreamInClient> offlineStreamInClient_ = nullptr;
50     std::shared_ptr<AudioSharedMemory> clientBufferIn_ = nullptr;
51     std::shared_ptr<AudioSharedMemory> clientBufferOut_ = nullptr;
52     uint8_t *inBufferBase_ = nullptr;
53     uint8_t *outBufferBase_ = nullptr;
54     std::mutex streamClientMutex_;
55     FILE *dumpFileIn_ = nullptr;
56     FILE *dumpFileOut_ = nullptr;
57 };
58 } // namespace AudioStandard
59 } // namespace OHOS
60 #endif // OFFLINE_AUDIO_EFFECT_CHAIN_IMPL_H