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 <string> 20 21 #define AUDIO_MS_PER_SECOND 1000 22 #define AUDIO_US_PER_SECOND 1000000 23 #define AUDIO_NS_PER_SECOND ((int64_t)1000000000) 24 namespace OHOS { 25 namespace DistributedHardware { 26 std::string GetAnonyString(const std::string &value); 27 28 int32_t GetAudioParamStr(const std::string ¶ms, const std::string &key, std::string &value); 29 30 int32_t GetAudioParamInt(const std::string ¶ms, const std::string &key, int32_t &value); 31 32 int32_t GetAudioParamUInt(const std::string ¶ms, const std::string &key, uint32_t &value); 33 34 int32_t GetAudioParamBool(const std::string ¶ms, const std::string &key, bool &value); 35 36 int32_t SetAudioParamStr(std::string ¶ms, const std::string &key, const std::string &value); 37 38 int32_t GetDevTypeByDHId(int32_t dhId); 39 40 uint32_t CalculateFrameSize(uint32_t sampleRate, uint32_t channelCount, 41 int32_t format, uint32_t timeInterval, bool isMMAP); 42 43 int32_t CalculateSampleNum(uint32_t sampleRate, uint32_t timems); 44 45 int64_t GetCurNano(); 46 47 int32_t AbsoluteSleep(int64_t nanoTime); 48 49 int64_t CalculateOffset(const int64_t frameindex, const int64_t framePeriodNs, const int64_t startTime); 50 51 int64_t UpdateTimeOffset(const int64_t frameIndex, const int64_t framePeriodNs, int64_t &startTime); 52 } // DistributedHardware 53 } // OHOS 54 #endif