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_H264_RTP_CODEC_H 17 #define OHOS_SHARING_H264_RTP_CODEC_H 18 19 #include "frame/frame.h" 20 #include "frame/h264_frame.h" 21 #include "rtp_codec.h" 22 #include "rtp_maker.h" 23 24 namespace OHOS { 25 namespace Sharing { 26 class RtpDecoderH264 : public RtpDecoder { 27 public: 28 using Ptr = std::shared_ptr<RtpDecoderH264>; 29 30 RtpDecoderH264(); 31 ~RtpDecoderH264(); 32 33 void InputRtp(const RtpPacket::Ptr &rtp) override; 34 void SetOnFrame(const OnFrame &cb) override; 35 36 private: 37 H264Frame::Ptr ObtainFrame(); 38 39 bool UnpackStapA(const RtpPacket::Ptr &rtp, const uint8_t *ptr, ssize_t size, uint32_t stamp); 40 bool UnpackSingle(const RtpPacket::Ptr &rtp, const uint8_t *ptr, ssize_t size, uint32_t stamp); 41 bool UnpackFuA(const RtpPacket::Ptr &rtp, const uint8_t *ptr, ssize_t size, uint32_t stamp, uint16_t seq); 42 43 void OutputFrame(const RtpPacket::Ptr &rtp, const H264Frame::Ptr &frame); 44 45 private: 46 bool fuDropped_ = true; 47 bool gopDropped_ = false; 48 49 uint16_t lastSeq_ = 0; 50 51 H264Frame::Ptr frame_ = nullptr; 52 }; 53 54 class RtpEncoderH264 : public RtpEncoder, 55 public RtpMaker { 56 public: 57 using Ptr = std::shared_ptr<RtpEncoderH264>; 58 59 RtpEncoderH264(uint32_t ssrc, uint32_t mtuSize, uint32_t sampleRate, uint8_t payloadType, uint16_t seq = 0); 60 ~RtpEncoderH264(); 61 62 void SetOnRtpPack(const OnRtpPack &cb) override; 63 void InputFrame(const Frame::Ptr &frame) override; 64 65 private: 66 void InsertConfigFrame(uint32_t pts); 67 bool InputFrame(const Frame::Ptr &frame, bool isMark); 68 void PackRtp(const uint8_t *data, size_t len, uint32_t pts, bool isMark, bool gopPos); 69 void PackRtpFu(const uint8_t *data, size_t len, uint32_t pts, bool isMark, bool gopPos); 70 void PackSingle(const uint8_t *data, size_t len, uint32_t pts, bool isMark, bool gopPos); 71 void PackRtpStapA(const uint8_t *data, size_t len, uint32_t pts, bool isMark, bool gopPos); 72 73 private: 74 Frame::Ptr sps_ = nullptr; 75 Frame::Ptr pps_ = nullptr; 76 Frame::Ptr lastFrame_ = nullptr; 77 }; 78 } // namespace Sharing 79 } // namespace OHOS 80 #endif