1 /*
2  * Copyright (c) 2024 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 IPC_OFFLINE_STREAM_H
17 #define IPC_OFFLINE_STREAM_H
18 
19 #include <memory>
20 
21 #include "ipc_types.h"
22 #include "iremote_broker.h"
23 #include "iremote_proxy.h"
24 #include "iremote_stub.h"
25 
26 #include "audio_info.h"
27 #include "oh_audio_buffer.h"
28 
29 namespace OHOS {
30 namespace AudioStandard {
31 class IpcOfflineStream : public IRemoteBroker {
32 public:
33     virtual ~IpcOfflineStream() = default;
34 
35     virtual int32_t CreateOfflineEffectChain(const std::string &chainName) = 0;
36 
37     virtual int32_t ConfigureOfflineEffectChain(const AudioStreamInfo &inInfo, const AudioStreamInfo &outInfo) = 0;
38 
39     virtual int32_t PrepareOfflineEffectChain(std::shared_ptr<AudioSharedMemory> &inBuffer,
40         std::shared_ptr<AudioSharedMemory> &outBuffer) = 0;
41 
42     virtual int32_t ProcessOfflineEffectChain(uint32_t inSize, uint32_t outSize) = 0;
43 
44     virtual void ReleaseOfflineEffectChain() = 0;
45 
46     // IPC code.
47     enum IpcOfflineStreamMsg : uint32_t {
48         CREATE_OFFLINE_EFFECT_CHAIN,
49         CONFIGURE_OFFLINE_EFFECT_CHAIN,
50         PREPARE_OFFLINE_EFFECT_CHAIN,
51         PROCESS_OFFLINE_EFFECT_CHAIN,
52         RELEASE_OFFLINE_EFFECT_CHAIN,
53         IPC_OFFLINE_STREAM_MAX_MSG
54     };
55     DECLARE_INTERFACE_DESCRIPTOR(u"IpcOfflineStream");
56 };
57 } // namespace AudioStandard
58 } // namespace OHOS
59 #endif // IPC_OFFLINE_STREAM_H
60