1 /*
2  * Copyright (c) 2024-2024 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 #ifndef BITRATE_UTILS_H
16 #define BITRATE_UTILS_H
17 
18 namespace OHOS {
19 namespace Media {
20 namespace Plugins {
21 namespace HttpPlugin {
22 
23 constexpr double BUFFER_LIMIT_FACT = 0.8;
24 
GetDesBitrate(std::vector<uint32_t> bitRates,uint64_t downloadSpeed)25 uint32_t GetDesBitrate(std::vector<uint32_t> bitRates, uint64_t downloadSpeed)
26 {
27     uint32_t desBitrate = bitRates[0];
28     for (size_t i = 0; i<bitRates.size(); ++i) {
29         if (bitRates[i] < downloadSpeed * BUFFER_LIMIT_FACT) {
30             desBitrate = bitRates[i];
31         } else {
32             break;
33         }
34     }
35     return desBitrate;
36 }
37 }
38 }
39 }
40 }
41 
42 #endif