1 /* 2 * Copyright (c) 2023 Shenzhen Kaihong Digital Industry Development 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_SHARING_AUDIO_AAC_CODEC_H 17 #define OHOS_SHARING_AUDIO_AAC_CODEC_H 18 19 #include <cstdint> 20 #include <string.h> 21 #include "audio_decoder.h" 22 #include "audio_encoder.h" 23 #include "media_frame_pipeline.h" 24 25 constexpr uint8_t numberOfLayers = 1; 26 constexpr uint8_t minChannelCount = 1; 27 constexpr uint8_t maxChannelCount = 8; 28 constexpr uint32_t maxConfigurationSize = 1024; 29 30 namespace OHOS { 31 namespace Sharing { 32 33 class AudioAACDecoder : public AudioDecoder { 34 public: 35 AudioAACDecoder(); 36 ~AudioAACDecoder(); 37 38 int32_t Init() override; 39 void OnFrame(const Frame::Ptr &frame) override; 40 41 private: 42 int32_t Decode(uint8_t *encoded, int32_t nSamples, int16_t *decoded); 43 44 private: 45 char *outBuffer_ = nullptr; 46 int32_t errorCode_ = 0; 47 uint32_t flags_ = 0; 48 uint32_t channels_ = 2; 49 uint32_t concealMethod_ = 2; 50 uint32_t sampleRate_ = 48000; 51 }; 52 53 class AudioAACEncoder : public AudioEncoder { 54 public: 55 AudioAACEncoder(); 56 ~AudioAACEncoder(); 57 58 int32_t Init() override; 59 void OnFrame(const Frame::Ptr &frame) override; 60 61 private: 62 int32_t Encode(int16_t *decoded, int32_t nSamples, uint8_t *encoded); 63 64 private: 65 char *outBuffer_ = nullptr; 66 uint32_t flags_ = 0; 67 uint32_t channels_ = 1; 68 uint32_t sampleRate_ = 48000; 69 }; 70 71 } // namespace Sharing 72 } // namespace OHOS 73 #endif 74