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_TS_RTP_CODEC_H 17 #define OHOS_SHARING_TS_RTP_CODEC_H 18 19 #include <memory> 20 #include <queue> 21 #include <thread> 22 #include "frame/frame.h" 23 #include "frame/frame_merger.h" 24 #include "rtp_codec.h" 25 #include "rtp_maker.h" 26 extern "C" { 27 #include <libavformat/avformat.h> 28 } 29 30 namespace OHOS { 31 namespace Sharing { 32 class RtpDecoderTs : public RtpDecoder { 33 public: 34 using Ptr = std::shared_ptr<RtpDecoderTs>; 35 36 RtpDecoderTs(); 37 ~RtpDecoderTs(); 38 39 void Release(); 40 41 void InputRtp(const RtpPacket::Ptr &rtp) override; 42 void SetOnFrame(const OnFrame &cb) override; 43 44 private: 45 void StartDecoding(); 46 int ReadPacket(uint8_t *buf, int buf_size); 47 48 static int StaticReadPacket(void *opaque, uint8_t *buf, int buf_size); 49 50 private: 51 constexpr static int64_t US_PER_SEC = 1000 * 1000; 52 53 bool exit_ = false; 54 int videoStreamIndex_ = -1; 55 int audioStreamIndex_ = -1; 56 57 std::mutex queueMutex_; 58 std::queue<RtpPacket::Ptr> dataQueue_; 59 std::unique_ptr<std::thread> decodeThread_; 60 61 AVIOContext *avioContext_ = nullptr; 62 AVFormatContext *avFormatContext_ = nullptr; 63 }; 64 65 class RtpEncoderTs : public RtpEncoder, 66 public RtpMaker { 67 public: 68 using Ptr = std::shared_ptr<RtpEncoderTs>; 69 70 void Release(); 71 72 RtpEncoderTs(uint32_t ssrc, uint32_t mtuSize, uint32_t sampleRate, uint8_t payloadType, uint16_t seq = 0); 73 ~RtpEncoderTs(); 74 75 void InputFrame(const Frame::Ptr &frame) override; 76 void SetOnRtpPack(const OnRtpPack &cb) override; 77 78 private: 79 void StartEncoding(); 80 void RemoveFrameAfterMuxing(); 81 Frame::Ptr ReadFrame(AVPacket *packet); 82 void SaveFrame(Frame::Ptr frame); 83 static int WritePacket(void *opaque, uint8_t *buf, int buf_size); 84 85 private: 86 bool exit_ = false; 87 uint8_t *avioCtxBuffer_ = nullptr; 88 89 bool keyFrame_ = false; 90 uint32_t timeStamp_ = 0; 91 FrameMerger merger_; 92 93 std::mutex queueMutex_; 94 std::mutex cbLockMutex_; 95 std::queue<Frame::Ptr> dataQueue_; 96 std::unique_ptr<std::thread> encodeThread_; 97 98 AVCodecID audioCodeId_ = AV_CODEC_ID_NONE; 99 AVStream *videoStream = nullptr; 100 AVStream *audioStream = nullptr; 101 AVIOContext *avioContext_ = nullptr; 102 AVFormatContext *avFormatContext_ = nullptr; 103 }; 104 } // namespace Sharing 105 } // namespace OHOS 106 #endif 107