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 OHOS_DAUDIO_LATENCY_TEST_H
17 #define OHOS_DAUDIO_LATENCY_TEST_H
18 
19 #include <vector>
20 
21 #include "single_instance.h"
22 
23 namespace OHOS {
24 namespace DistributedHardware {
25 class DAudioLatencyTest {
26 DECLARE_SINGLE_INSTANCE_BASE(DAudioLatencyTest);
27 public:
28     int32_t AddPlayTime(const int64_t playBeepTime);
29     int32_t AddRecordTime(const int64_t recordBeepTime);
30     int64_t RecordBeepTime(const uint8_t *base, const int32_t &sizePerFrame, bool &status);
31     bool IsFrameHigh(const int16_t *audioData, const int32_t size, int32_t threshhold);
32     int32_t ComputeLatency();
33 
34 private:
35     DAudioLatencyTest();
36     ~DAudioLatencyTest();
37 
38 private:
39     constexpr static int32_t TWO_BEEP_TIME_INTERVAL = 900000; // 900ms
40     constexpr static int32_t BEEP_THRESHHOLD = 8000;
41     constexpr static int32_t US_PER_MS = 1000;
42     std::vector<int64_t> playBeepTime_;
43     std::vector<int64_t> captureBeepTime_;
44     int64_t lastPlayTime_ = 0;
45     int64_t lastRecordTime_ = 0;
46 };
47 }
48 }
49 #endif