1/*
2 * Copyright (c) 2022 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_LOW_LATENCY_H
17#define DCAMERA_LOW_LATENCY_H
18
19#include "distributed_hardware_fwk_kit.h"
20#include "single_instance.h"
21
22namespace OHOS {
23namespace DistributedHardware {
24class DCameraLowLatency {
25DECLARE_SINGLE_INSTANCE_BASE(DCameraLowLatency);
26public:
27    int32_t EnableLowLatency();
28    int32_t DisableLowLatency();
29
30private:
31    DCameraLowLatency() = default;
32    ~DCameraLowLatency() = default;
33    std::shared_ptr<DistributedHardwareFwkKit> GetDHFwkKit();
34
35private:
36    constexpr static int32_t REF_INITIAL = 0;
37    constexpr static int32_t REF_NORMAL = 1;
38    std::shared_ptr<DistributedHardwareFwkKit> dHFwkKit_;
39    std::mutex dHFwkKitMutex_;
40    std::atomic<int> refCount_ = 0;
41};
42} // namespace DistributedHardware
43} // namespace OHOS
44#endif // OHOS_DCAMERA_LOW_LATENCY_H