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 
16 #ifndef I_AUDIO_PROCESS_H
17 #define I_AUDIO_PROCESS_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 "audio_process_config.h"
28 #include "oh_audio_buffer.h"
29 
30 namespace OHOS {
31 namespace AudioStandard {
32 class AudioProcess {
33 public:
34     virtual int32_t ResolveBuffer(std::shared_ptr<OHAudioBuffer> &buffer) = 0;
35 
36     virtual int32_t GetSessionId(uint32_t &sessionId) = 0;
37 
38     virtual int32_t Start() = 0;
39 
40     virtual int32_t Pause(bool isFlush) = 0;
41 
42     virtual int32_t Resume() = 0;
43 
44     virtual int32_t Stop() = 0;
45 
46     virtual int32_t RequestHandleInfo(bool isAync = true) = 0;
47 
48     virtual int32_t Release(bool isSwitchStream = false) = 0;
49 
50     virtual int32_t SetSilentModeAndMixWithOthers(bool on) = 0;
51 
52     virtual ~AudioProcess() = default;
53 };
54 
55 class IProcessCb : public IRemoteBroker {
56 public:
57     virtual ~IProcessCb() = default;
58 
59     virtual int32_t OnEndpointChange(int32_t status) = 0;
60 
61     // IPC code.
62     enum IProcessCbMsg : uint32_t {
63         ON_ENDPOINT_CHANGE = 0,
64         PROCESS_CB_MAX_MSG
65     };
66     DECLARE_INTERFACE_DESCRIPTOR(u"IProcessCb");
67 };
68 
69 class IAudioProcess : public AudioProcess, public IRemoteBroker {
70 public:
71     virtual ~IAudioProcess() = default;
72 
73     virtual int32_t RegisterProcessCb(sptr<IRemoteObject> object) = 0;
74     virtual int32_t RegisterThreadPriority(uint32_t tid, const std::string &bundleName) = 0;
75 
76     // IPC code.
77     enum IAudioProcessMsg : uint32_t {
78         ON_RESOLVE_BUFFER = 0,
79         OH_GET_SESSIONID,
80         ON_START,
81         ON_PAUSE,
82         ON_RESUME,
83         ON_STOP,
84         ON_REQUEST_HANDLE_INFO,
85         ON_RELEASE,
86         ON_REGISTER_PROCESS_CB,
87         ON_REGISTER_THREAD_PRIORITY,
88         ON_SET_SLITNT_MODE_AND_MIX_WITH_OTHERS,
89         PROCESS_MAX_MSG
90     };
91 
92     DECLARE_INTERFACE_DESCRIPTOR(u"IAudioProcess");
93 };
94 } // namespace AudioStandard
95 } // namespace OHOS
96 #endif // I_AUDIO_PROCESS_H
97