1e0e9324cSopenharmony_ci/* 2e0e9324cSopenharmony_ci * Copyright (c) 2023 Shenzhen Kaihong Digital Industry Development Co., Ltd. 3e0e9324cSopenharmony_ci * Licensed under the Apache License, Version 2.0 (the "License"); 4e0e9324cSopenharmony_ci * you may not use this file except in compliance with the License. 5e0e9324cSopenharmony_ci * You may obtain a copy of the License at 6e0e9324cSopenharmony_ci * 7e0e9324cSopenharmony_ci * http://www.apache.org/licenses/LICENSE-2.0 8e0e9324cSopenharmony_ci * 9e0e9324cSopenharmony_ci * Unless required by applicable law or agreed to in writing, software 10e0e9324cSopenharmony_ci * distributed under the License is distributed on an "AS IS" BASIS, 11e0e9324cSopenharmony_ci * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12e0e9324cSopenharmony_ci * See the License for the specific language governing permissions and 13e0e9324cSopenharmony_ci * limitations under the License. 14e0e9324cSopenharmony_ci */ 15e0e9324cSopenharmony_ci 16e0e9324cSopenharmony_ci#ifndef OHOS_SHARING_ADTS_H 17e0e9324cSopenharmony_ci#define OHOS_SHARING_ADTS_H 18e0e9324cSopenharmony_ci 19e0e9324cSopenharmony_ci#include <cstdint> 20e0e9324cSopenharmony_ci#include <string> 21e0e9324cSopenharmony_ci 22e0e9324cSopenharmony_cinamespace OHOS { 23e0e9324cSopenharmony_cinamespace Sharing { 24e0e9324cSopenharmony_ciconstexpr int32_t ADTS_HEADER_LEN = 7; 25e0e9324cSopenharmony_ci 26e0e9324cSopenharmony_ciclass AdtsHeader { 27e0e9324cSopenharmony_cipublic: 28e0e9324cSopenharmony_ci static int32_t GetAacFrameLength(const uint8_t *data, size_t bytes); 29e0e9324cSopenharmony_ci 30e0e9324cSopenharmony_ci static void ParseAacConfig(const std::string &config, AdtsHeader &adts); 31e0e9324cSopenharmony_ci 32e0e9324cSopenharmony_ci static void DumpAdtsHeader(const AdtsHeader &hed, uint8_t *out); 33e0e9324cSopenharmony_ci static int32_t DumpAacConfig(const std::string &config, size_t length, uint8_t *out, size_t outSize); 34e0e9324cSopenharmony_ci 35e0e9324cSopenharmony_cipublic: 36e0e9324cSopenharmony_ci uint32_t id_ = 0; // 1 bslbf 37e0e9324cSopenharmony_ci uint32_t home_ = 0; // 1 bslbf 38e0e9324cSopenharmony_ci uint32_t layer_ = 0; // 2 uimsbf Indicates which layer is used. Set to ‘00’ 39e0e9324cSopenharmony_ci uint32_t profile_ = 0; // 2 uimsbf 40e0e9324cSopenharmony_ci uint32_t sfIndex_ = 0; // 4 uimsbf 41e0e9324cSopenharmony_ci uint32_t syncword_ = 0; // 12 bslbf The bit string ‘1111 1111 1111’ 42e0e9324cSopenharmony_ci uint32_t original_ = 0; // 1 bslbf 43e0e9324cSopenharmony_ci uint32_t privateBit_ = 0; // 1 bslbf 44e0e9324cSopenharmony_ci uint32_t aacFrameLength_ = 0; // 13 bslbf 45e0e9324cSopenharmony_ci uint32_t protectionAbsent_ = 0; // 1 bslbf 46e0e9324cSopenharmony_ci uint32_t adtsBufferFullness_ = 0; // 11 bslbf 47e0e9324cSopenharmony_ci uint32_t channelConfiguration_ = 0; // 3 uimsbf 48e0e9324cSopenharmony_ci uint32_t copyrightIdentificationBit_ = 0; // 1 bslbf 49e0e9324cSopenharmony_ci uint32_t copyrightIdentificationStart_ = 0; // 1 bslbf 50e0e9324cSopenharmony_ci uint32_t numberOfRawDataBlocksInFrame_ = 0; // 2 uimsfb 51e0e9324cSopenharmony_ci}; 52e0e9324cSopenharmony_ci} // namespace Sharing 53e0e9324cSopenharmony_ci} // namespace OHOS 54e0e9324cSopenharmony_ci#endif