1 /* 2 * Copyright (c) 2022-2023 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_UTILS_H 17 #define OHOS_DAUDIO_UTILS_H 18 19 #include <fstream> 20 #include <string> 21 22 #include "cJSON.h" 23 24 #define AUDIO_MS_PER_SECOND 1000 25 #define AUDIO_US_PER_SECOND 1000000 26 #define AUDIO_NS_PER_SECOND ((int64_t)1000000000) 27 namespace OHOS { 28 namespace DistributedHardware { 29 std::string GetAnonyString(const std::string &value); 30 31 int32_t GetAudioParamStr(const std::string ¶ms, const std::string &key, std::string &value); 32 33 int32_t GetAudioParamInt(const std::string ¶ms, const std::string &key, int32_t &value); 34 35 int32_t GetAudioParamUInt(const std::string ¶ms, const std::string &key, uint32_t &value); 36 37 int32_t GetAudioParamBool(const std::string ¶ms, const std::string &key, bool &value); 38 39 int32_t SetAudioParamStr(std::string ¶ms, const std::string &key, const std::string &value); 40 41 int32_t GetDevTypeByDHId(int32_t dhId); 42 43 int64_t GetNowTimeUs(); 44 45 uint32_t CalculateFrameSize(uint32_t sampleRate, uint32_t channelCount, 46 int32_t format, uint32_t timeInterval, bool isMMAP); 47 48 int32_t CalculateSampleNum(uint32_t sampleRate, uint32_t timems); 49 50 int64_t GetCurNano(); 51 52 int32_t AbsoluteSleep(int64_t nanoTime); 53 54 int64_t CalculateOffset(const int64_t frameindex, const int64_t framePeriodNs, const int64_t startTime); 55 56 int64_t UpdateTimeOffset(const int64_t frameIndex, const int64_t framePeriodNs, int64_t &startTime); 57 58 bool IsOutDurationRange(int64_t startTime, int64_t endTime, int64_t lastStartTime); 59 60 void SaveFile(std::string fileName, uint8_t *audioData, int32_t size); 61 62 int32_t WrapCJsonItem(const std::initializer_list<std::pair<std::string, std::string>> &keys, std::string &content); 63 64 bool CJsonParamCheck(const cJSON *jsonObj, const std::initializer_list<std::string> &keys); 65 66 std::string ParseStringFromArgs(const std::string &args, const char *key); 67 68 bool CheckIsNum(const std::string &jsonString); 69 } // DistributedHardware 70 } // OHOS 71 #endif