1 /* 2 * Copyright (c) 2023-2024 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_G711_CODEC_H 17 #define OHOS_SHARING_AUDIO_G711_CODEC_H 18 19 #include "audio_decoder.h" 20 #include "audio_encoder.h" 21 #include "media_frame_pipeline.h" 22 23 namespace OHOS { 24 namespace Sharing { 25 enum G711_TYPE { G711_ALAW, G711_ULAW }; 26 27 class AudioG711Encoder : public AudioEncoder { 28 public: 29 AudioG711Encoder(G711_TYPE type); 30 ~AudioG711Encoder(); 31 32 int Init(uint32_t channels = 2, uint32_t sampleBit = 16, uint32_t sampleRate = 44100) override; 33 void OnFrame(const Frame::Ptr &frame) override; 34 35 private: 36 int Encode(int16_t *decoded, int nSamples, uint8_t *encoded); 37 38 private: 39 std::vector<uint8_t> outBuffer_; 40 41 G711_TYPE type_; 42 }; 43 44 class AudioG711Decoder : public AudioDecoder { 45 public: 46 AudioG711Decoder(G711_TYPE type); 47 ~AudioG711Decoder(); 48 49 int Init() override; 50 void OnFrame(const Frame::Ptr &frame) override; 51 52 private: 53 int Decode(uint8_t *encoded, int nSamples, int16_t *decoded); 54 55 private: 56 std::vector<uint8_t> outBuffer_; 57 58 G711_TYPE type_ = G711_ALAW; 59 }; 60 } // namespace Sharing 61 } // namespace OHOS 62 #endif