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 DCAMERA_SOFTBUS_LATENCY_H
17 #define DCAMERA_SOFTBUS_LATENCY_H
18 
19 #include <string>
20 #include <map>
21 #include <mutex>
22 
23 #include "single_instance.h"
24 
25 namespace OHOS {
26 namespace DistributedHardware {
27 class DCameraSoftbusLatency {
28 DECLARE_SINGLE_INSTANCE_BASE(DCameraSoftbusLatency);
29 public:
30     int32_t StartSoftbusTimeSync(const std::string& devId);
31     int32_t StopSoftbusTimeSync(const std::string& devId);
32     void SetTimeSyncInfo(const int32_t microsecond, const std::string& devId);
33     int32_t GetTimeSyncInfo(const std::string& devId);
34 private:
35     DCameraSoftbusLatency() = default;
36     ~DCameraSoftbusLatency() = default;
37 
38 private:
39     constexpr static int32_t REF_INITIAL = 0;
40     constexpr static int32_t REF_NORMAL = 1;
41     std::mutex offsetLock_;
42     std::mutex micLock_;
43     std::map<std::string, int32_t> offsets_;
44     std::map<std::string, int32_t> refCount_;
45 };
46 } // namespace DistributedHardware
47 } // namespace OHOS
48 #endif // DCAMERA_SOFTBUS_LATENCY_H