{"id":46302,"date":"2025-07-30T02:47:50","date_gmt":"2025-07-29T18:47:50","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/46302.html"},"modified":"2025-07-30T02:47:50","modified_gmt":"2025-07-29T18:47:50","slug":"%e3%80%90rtsp%e4%bb%8e%e9%9b%b6%e5%ae%9e%e8%b7%b5%e3%80%913%e3%80%81%e5%ae%9e%e7%8e%b0%e6%9c%80%e7%ae%80%e5%8d%95%e7%9a%84%e4%bc%a0%e8%be%93h264%e7%9a%84rtsp%e6%9c%8d%e5%8a%a1%e5%99%a8","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/46302.html","title":{"rendered":"\u3010RTSP\u4ece\u96f6\u5b9e\u8df5\u30113\u3001\u5b9e\u73b0\u6700\u7b80\u5355\u7684\u4f20\u8f93H264\u7684RTSP\u670d\u52a1\u5668"},"content":{"rendered":"

😁\u535a\u5ba2\u4e3b\u9875😁：🚀https:\/\/blog.csdn.net\/wkd_007🚀<\/font> 🤑\u535a\u5ba2\u5185\u5bb9🤑：🍭\u5d4c\u5165\u5f0f\u5f00\u53d1\u3001Linux\u3001C\u8bed\u8a00\u3001C++\u3001\u6570\u636e\u7ed3\u6784\u3001\u97f3\u89c6\u9891🍭<\/font> 🤣\u672c\u6587\u5185\u5bb9🤣：🍭\u4ecb\u7ecd\u600e\u4e48\u5b9e\u73b0\u6700\u7b80\u5355\u7684\u4f20\u8f93H264\u7684RTSP\u670d\u52a1\u5668🍭<\/font> 😎\u91d1\u53e5\u5206\u4eab😎：🍭\u4f60\u4e0d\u80fd\u9009\u62e9\u6700\u597d\u7684，\u4f46\u6700\u597d\u7684\u4f1a\u6765\u9009\u62e9\u4f60\u2014\u2014\u6cf0\u6208\u5c14🍭<\/font> \u23f0\u53d1\u5e03\u65f6\u95f4\u23f0： 2025-06-30<\/font><\/p>\n

\u672c\u6587\u672a\u7ecf\u5141\u8bb8，\u4e0d\u5f97\u8f6c\u53d1！！！<\/font><\/p>\n<\/p>\n

\u76ee\u5f55<\/h4>\n
    \n
  • 🎄\u4e00\u3001\u6982\u8ff0<\/li>\n
  • 🎄\u4e8c\u3001\u5b9e\u73b0\u6b65\u9aa4\u3001\u5b9e\u73b0\u7ec6\u8282<\/li>\n
  • \n
      \n
    • \u27282.1\u3001\u4f7f\u7528RTSP\u670d\u52a1\u7684TCP\u5957\u63a5\u5b57\u5e76\u76d1\u542c<\/li>\n
    • \u27282.2\u3001\u63a5\u6536\u5ba2\u6237\u7aef\u8bf7\u6c42\u5e76\u5904\u7406RTSP\u547d\u4ee4<\/li>\n
    • \u27282.3\u3001\u8bfb\u53d6H264\u5e76\u53d1\u9001<\/li>\n<\/ul>\n<\/li>\n
    • 🎄\u4e09\u3001\u4f20\u8f93H264\u7684RTSP\u670d\u52a1\u5668\u7684\u5b9e\u73b0\u6e90\u7801<\/li>\n
    • 🎄\u56db\u3001\u603b\u7ed3<\/li>\n<\/ul>\n
      \n

      \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"<\/p>\n

      RTSP\u4ece\u96f6\u5b9e\u8df5\u7cfb\u5217\u6587\u7ae0\u56de\u987e： \u3010RTSP\u4ece\u96f6\u5b9e\u8df5\u30111\u3001\u6839\u636eRTSP\u534f\u8bae\u5b9e\u73b0\u4e00\u4e2aRTSP\u670d\u52a1 \u3010RTSP\u4ece\u96f6\u5b9e\u8df5\u30112\u3001\u4f7f\u7528RTP\u534f\u8bae\u5c01\u88c5\u5e76\u4f20\u8f93H264 \u3010RTSP\u4ece\u96f6\u5b9e\u8df5\u30113\u3001\u5b9e\u73b0\u6700\u7b80\u5355\u7684\u4f20\u8f93H264\u7684RTSP\u670d\u52a1\u5668 \u3010RTSP\u4ece\u96f6\u5b9e\u8df5\u30114\u3001\u4f7f\u7528RTP\u534f\u8bae\u5c01\u88c5\u5e76\u4f20\u8f93AAC<\/p>\n

      \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"<\/p>\n

      🎄\u4e00\u3001\u6982\u8ff0<\/h2>\n

      \u8fd9\u7bc7\u6587\u7ae0\u4e3b\u8981\u5c31\u662f\u4ecb\u7ecd\u600e\u4e48\u901a\u8fc7RTSP\u534f\u8bae\u901a\u4fe1，\u5c06H264\u89c6\u9891\u6570\u636e\u5c01\u88c5\u6210RTP\u5305\u5e76\u53d1\u9001\u7684，\u76ee\u7684\u662f\u5199\u4e00\u4e2a\u6700\u7b80\u5355\u7684RTSP\u670d\u52a1\u5668，\u719f\u6089RTSP\u534f\u8bae\u5904\u7406\u3001RTP\u534f\u8bae\u5c01\u5305\u3002<\/p>\n

      \u5305\u542b\u4e86\u4e0b\u9762\u77e5\u8bc6\u70b9： 1\u3001RTSP\u534f\u8bae\u7684\u5185\u5bb9； 2\u3001\u5b9e\u73b0TCP\u534f\u8bae\u5b9e\u73b0RTSP； 3\u3001RTP\u534f\u8bae； 4\u3001\u600e\u4e48\u5b9e\u73b0RTP\u534f\u8bae；<\/p>\n

      \u8fd9\u4e9b\u77e5\u8bc6\u70b9\u90fd\u53ef\u4ee5\u4ece\u4e0a\u9762 \u3010RTSP\u4ece\u96f6\u5b9e\u8df5\u3011\u7cfb\u5217\u6587\u7ae0\u5b66\u4e60\u5230，\u8fd9\u7bc7\u6587\u7ae0\u4e0d\u518d\u8d58\u8ff0，\u53ea\u4ecb\u7ecd\u6b65\u9aa4\u548c\u4ee3\u7801\u3002<\/p>\n

      \n

      \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"<\/p>\n

      🎄\u4e8c\u3001\u5b9e\u73b0\u6b65\u9aa4\u3001\u5b9e\u73b0\u7ec6\u8282<\/h2>\n

      \u8fd9\u4e2a\u5c0f\u5199\u4ecb\u7ecd\u600e\u4e48\u5b9e\u73b0\u7684\u6b65\u9aa4\u3001\u7ec6\u8282，\u4e0b\u4e2a\u5c0f\u8282\u4f1a\u63d0\u4f9b\u6e90\u7801，\u53ef\u4ee5\u7ed3\u5408\u7740\u6e90\u7801\u770b\u5e2e\u52a9\u7406\u89e3\u6d88\u5316\u3002<\/p>\n

      \u27282.1\u3001\u4f7f\u7528RTSP\u670d\u52a1\u7684TCP\u5957\u63a5\u5b57\u5e76\u76d1\u542c<\/h3>\n

      RTSP\u534f\u8bae\u662f\u57fa\u4e8eTCP\u4f5c\u4e3a\u4f20\u8f93\u5c42\u534f\u8bae\u53bb\u5b9e\u73b0\u7684\u3002<\/p>\n

      \/\/ \u521b\u5efa\u5957\u63a5\u5b57<\/span>
      \nif<\/span> (<\/span>(<\/span>server_fd =<\/span> socket<\/span>(<\/span>AF_INET,<\/span> SOCK_STREAM,<\/span> 0<\/span>)<\/span>)<\/span> ==<\/span> 0<\/span>)<\/span>
      \n{<\/span>
      \n perror<\/span>(<\/span>"socket failed"<\/span>)<\/span>;<\/span>
      \n return<\/span> –<\/span>1<\/span>;<\/span>
      \n}<\/span><\/p>\n

      \/\/ \u8bbe\u7f6e\u5957\u63a5\u5b57\u9009\u9879<\/span>
      \nif<\/span> (<\/span>setsockopt<\/span>(<\/span>server_fd,<\/span> SOL_SOCKET,<\/span> SO_REUSEADDR,<\/span> &<\/span>opt,<\/span> sizeof<\/span>(<\/span>opt)<\/span>)<\/span>)<\/span>
      \n{<\/span>
      \n perror<\/span>(<\/span>"setsockopt"<\/span>)<\/span>;<\/span>
      \n return<\/span> –<\/span>1<\/span>;<\/span>
      \n}<\/span><\/p>\n

      address.<\/span>sin_family =<\/span> AF_INET;<\/span>
      \naddress.<\/span>sin_addr.<\/span>s_addr =<\/span> INADDR_ANY;<\/span>
      \naddress.<\/span>sin_port =<\/span> htons<\/span>(<\/span>RTSP_PORT)<\/span>;<\/span><\/p>\n

      \/\/ \u7ed1\u5b9a\u7aef\u53e3<\/span>
      \nif<\/span> (<\/span>bind<\/span>(<\/span>server_fd,<\/span> (<\/span>struct<\/span> sockaddr<\/span> *<\/span>)<\/span>&<\/span>address,<\/span> sizeof<\/span>(<\/span>address)<\/span>)<\/span> <<\/span> 0<\/span>)<\/span>
      \n{<\/span>
      \n perror<\/span>(<\/span>"bind failed"<\/span>)<\/span>;<\/span>
      \n return<\/span> –<\/span>1<\/span>;<\/span>
      \n}<\/span><\/p>\n

      \/\/ \u5f00\u59cb\u76d1\u542c<\/span>
      \nif<\/span> (<\/span>listen<\/span>(<\/span>server_fd,<\/span> MAX_CLIENTS)<\/span> <<\/span> 0<\/span>)<\/span>
      \n{<\/span>
      \n perror<\/span>(<\/span>"listen"<\/span>)<\/span>;<\/span>
      \n return<\/span> –<\/span>1<\/span>;<\/span>
      \n}<\/span><\/p>\n

      \n

      \u27282.2\u3001\u63a5\u6536\u5ba2\u6237\u7aef\u8bf7\u6c42\u5e76\u5904\u7406RTSP\u547d\u4ee4<\/h3>\n

      RTSP\u901a\u4fe1\u4e0d\u76f4\u63a5\u4f20\u8f93\u97f3\u89c6\u9891\u7801\u6d41，\u4f1a\u5148\u8fdb\u884c\u4e00\u4e9b\u547d\u4ee4\u901a\u4fe1，\u6240\u4ee5\u7b2c\u4e8c\u4e2a\u6b65\u9aa4\u5c31\u662f\u5904\u7406\u8fd9\u4e9b\u547d\u4ee4：<\/p>\n

      char<\/span> response[<\/span>1024<\/span>]<\/span> =<\/span> {<\/span>0<\/span>}<\/span>;<\/span> \/\/ \u6784\u9020\u54cd\u5e94<\/span>
      \nif<\/span> (<\/span>strcmp<\/span>(<\/span>method,<\/span> "OPTIONS"<\/span>)<\/span> ==<\/span> 0<\/span>)<\/span>
      \n{<\/span>
      \n rtsp_handle_OPTION<\/span>(<\/span>response,<\/span> cseq)<\/span>;<\/span>
      \n}<\/span>
      \nelse<\/span> if<\/span> (<\/span>strcmp<\/span>(<\/span>method,<\/span> "DESCRIBE"<\/span>)<\/span> ==<\/span> 0<\/span>)<\/span>
      \n{<\/span>
      \n rtsp_handle_DESCRIBE<\/span>(<\/span>response,<\/span> cseq)<\/span>;<\/span>
      \n}<\/span>
      \nelse<\/span> if<\/span> (<\/span>strcmp<\/span>(<\/span>method,<\/span> "SETUP"<\/span>)<\/span> ==<\/span> 0<\/span>)<\/span>
      \n{<\/span>
      \n rtsp_handle_SETUP<\/span>(<\/span>response,<\/span> cseq,<\/span> rtpPort)<\/span>;<\/span>
      \n}<\/span>
      \nelse<\/span> if<\/span> (<\/span>strcmp<\/span>(<\/span>method,<\/span> "PLAY"<\/span>)<\/span> ==<\/span> 0<\/span>)<\/span>
      \n{<\/span>
      \n rtsp_handle_PLAY<\/span>(<\/span>response,<\/span> cseq)<\/span>;<\/span>
      \n bSendFlag =<\/span> RTP_PLAY;<\/span>
      \n}<\/span>
      \nelse<\/span> if<\/span> (<\/span>strcmp<\/span>(<\/span>method,<\/span> "TEARDOWN"<\/span>)<\/span> ==<\/span> 0<\/span>)<\/span>
      \n{<\/span>
      \n rtsp_handle_TEARDOWN<\/span>(<\/span>response,<\/span> cseq)<\/span>;<\/span>
      \n bSendFlag =<\/span> RTP_STOP;<\/span>
      \n}<\/span>
      \nelse<\/span>
      \n{<\/span>
      \n snprintf<\/span>(<\/span>response,<\/span> sizeof<\/span>(<\/span>response)<\/span>,<\/span>
      \n "RTSP\/1.0 501 Not Implemented\\\\r\\\\nCSeq: %d\\\\r\\\\n\\\\r\\\\n"<\/span>,<\/span> cseq)<\/span>;<\/span>
      \n}<\/span><\/p>\n

      \n

      \u27282.3\u3001\u8bfb\u53d6H264\u5e76\u53d1\u9001<\/h3>\n

      \u5904\u7406\u5b8cRTSP\u547d\u4ee4\u540e，\u5c31\u9700\u8981\u8bfb\u53d6\u5e76\u53d1\u9001RTP\u5305\u4e86\u3002<\/p>\n

      \/\/ h264<\/span>
      \nH264ReaderInfo_t h264Info;<\/span>
      \nif<\/span> (<\/span>H264_FileOpen<\/span>(<\/span>H264_FILE_NAME,<\/span> &<\/span>h264Info)<\/span> <<\/span> 0<\/span>)<\/span>
      \n{<\/span>
      \n printf<\/span>(<\/span>"failed to open %s\\\\n"<\/span>,<\/span> H264_FILE_NAME)<\/span>;<\/span>
      \n return<\/span> NULL<\/span>;<\/span>
      \n}<\/span><\/p>\n

      H264Frame_t h264Frame;<\/span>
      \nh264Frame.<\/span>pFrameBuf =<\/span> (<\/span>unsigned<\/span> char<\/span> *<\/span>)<\/span>malloc<\/span>(<\/span>1920<\/span> *<\/span> 1080<\/span> *<\/span> 4<\/span>)<\/span>;<\/span><\/p>\n

      while<\/span> (<\/span>pRtpSend-><\/span>bPlayFlag)<\/span>
      \n{<\/span>
      \n if<\/span> (<\/span>!<\/span>H264_IsEndOfFile<\/span>(<\/span>&<\/span>h264Info)<\/span>)<\/span>
      \n {<\/span>
      \n h264Frame.<\/span>isLastFrame =<\/span> 0<\/span>;<\/span>
      \n H264_GetFrame<\/span>(<\/span>&<\/span>h264Frame,<\/span> &<\/span>h264Info)<\/span>;<\/span><\/p>\n

      if<\/span> (<\/span>h264Frame.<\/span>pFrameBuf !=<\/span> NULL<\/span>)<\/span>
      \n {<\/span>
      \n if<\/span> (<\/span>h264Frame.<\/span>isLastFrame)<\/span> \/\/ \u6700\u540e\u4e00\u5e27，\u79fb\u5230\u5f00\u5934\u91cd\u65b0\u8bfb<\/span>
      \n {<\/span>
      \n printf<\/span>(<\/span>"warning SeekFile 1\\\\n"<\/span>)<\/span>;<\/span>
      \n H264_SeekFile<\/span>(<\/span>&<\/span>h264Info)<\/span>;<\/span>
      \n }<\/span><\/p>\n

      \/\/ printf("rtpSendH264Frame, frameNum=%d, time=%u\\\\n", h264Info.frameNum, rtpPacket->rtpHeader.timestamp);<\/span>
      \n rtpSendH264Frame<\/span>(<\/span>rtp_send_fd,<\/span> cli_ip,<\/span> rtpPort,<\/span> rtpPacket,<\/span>
      \n h264Frame.<\/span>pFrameBuf +<\/span> h264Frame.<\/span>startcode_len,<\/span>
      \n h264Frame.<\/span>frame_len –<\/span> h264Frame.<\/span>startcode_len)<\/span>;<\/span><\/p>\n

      rtpPacket-><\/span>rtpHeader.<\/span>timestamp +=<\/span> 90000<\/span> \/<\/span> FPS;<\/span> \/\/ RTP \u4f20\u8f93\u89c6\u9891\u6bcf\u79d2 90k HZ<\/span>
      \n usleep<\/span>(<\/span>1000<\/span> *<\/span> 1000<\/span> \/<\/span> FPS)<\/span>;<\/span>
      \n }<\/span>
      \n }<\/span>
      \n else<\/span>
      \n {<\/span>
      \n printf<\/span>(<\/span>"warning need SeekFile 1\\\\n"<\/span>)<\/span>;<\/span>
      \n }<\/span>
      \n}<\/span><\/p>\n

      \n

      \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"<\/p>\n

      🎄\u4e09\u3001\u4f20\u8f93H264\u7684RTSP\u670d\u52a1\u5668\u7684\u5b9e\u73b0\u6e90\u7801<\/h2>\n

      \u603b\u5171\u67095\u4e2a\u6e90\u4ee3\u7801\u6587\u4ef6，\u5177\u4f53\u5982\u4e0b：<\/p>\n

      1\u3001H264Reader.h<\/p>\n

      \/**
      \n * @file H264Reader.h
      \n * @author https:\/\/blog.csdn.net\/wkd_007
      \n * @brief
      \n * @version 0.1
      \n * @date 2025-06-24
      \n *
      \n * @copyright Copyright (c) 2025
      \n *
      \n *\/<\/span>
      \n#<\/span>ifndef<\/span> __H264_READER_H__<\/span><\/span>
      \n#<\/span>define<\/span> __H264_READER_H__<\/span><\/span><\/p>\n

      #<\/span>include<\/span> <stdio.h><\/span><\/span><\/p>\n

      #<\/span>define<\/span> MAX_STARTCODE_LEN<\/span> (<\/span>4<\/span>)<\/span><\/span><\/span><\/p>\n

      typedef<\/span> enum<\/span>
      \n{<\/span>
      \n FALSE,<\/span>
      \n TRUE,<\/span>
      \n}<\/span> BOOL;<\/span><\/p>\n

      typedef<\/span> enum<\/span>
      \n{<\/span>
      \n H264_NALU_TYPE_SLICE =<\/span> 1<\/span>,<\/span>
      \n H264_NALU_TYPE_DPA =<\/span> 2<\/span>,<\/span>
      \n H264_NALU_TYPE_DPB =<\/span> 3<\/span>,<\/span>
      \n H264_NALU_TYPE_DPC =<\/span> 4<\/span>,<\/span>
      \n H264_NALU_TYPE_IDR =<\/span> 5<\/span>,<\/span>
      \n H264_NALU_TYPE_SEI =<\/span> 6<\/span>,<\/span>
      \n H264_NALU_TYPE_SPS =<\/span> 7<\/span>,<\/span>
      \n H264_NALU_TYPE_PPS =<\/span> 8<\/span>,<\/span>
      \n H264_NALU_TYPE_AUD =<\/span> 9<\/span>,<\/span>
      \n H264_NALU_TYPE_EOSEQ =<\/span> 10<\/span>,<\/span>
      \n H264_NALU_TYPE_EOSTREAM =<\/span> 11<\/span>,<\/span>
      \n H264_NALU_TYPE_FILL =<\/span> 12<\/span>,<\/span>
      \n}<\/span> H264NaluType;<\/span><\/p>\n

      typedef<\/span> enum<\/span>
      \n{<\/span>
      \n H264_NALU_PRIORITY_DISPOSABLE =<\/span> 0<\/span>,<\/span>
      \n H264_NALU_PRIRITY_LOW =<\/span> 1<\/span>,<\/span>
      \n H264_NALU_PRIORITY_HIGH =<\/span> 2<\/span>,<\/span>
      \n H264_NALU_PRIORITY_HIGHEST =<\/span> 3<\/span>
      \n}<\/span> H264NaluPriority;<\/span><\/p>\n

      typedef<\/span> struct<\/span>
      \n{<\/span>
      \n int<\/span> startcode_len;<\/span> \/\/! 4 for parameter sets and first slice in picture, 3 for everything else (suggested)<\/span>
      \n int<\/span> forbidden_bit;<\/span> \/\/! should be always FALSE<\/span>
      \n int<\/span> nal_reference_idc;<\/span> \/\/! H264_NALU_PRIORITY_xxxx<\/span>
      \n int<\/span> nal_unit_type;<\/span> \/\/! H264_NALU_TYPE_xxxx<\/span>
      \n BOOL isLastFrame;<\/span> \/\/!<\/span>
      \n int<\/span> frame_len;<\/span> \/\/!<\/span>
      \n unsigned<\/span> char<\/span> *<\/span>pFrameBuf;<\/span> \/\/!<\/span>
      \n}<\/span> H264Frame_t;<\/span><\/p>\n

      typedef<\/span> struct<\/span> H264ReaderInfo_s<\/span>
      \n{<\/span>
      \n FILE *<\/span>pFileFd;<\/span>
      \n int<\/span> frameNum;<\/span>
      \n}<\/span> H264ReaderInfo_t;<\/span><\/p>\n

      int<\/span> H264_FileOpen<\/span>(<\/span>char<\/span> *<\/span>fileName,<\/span> H264ReaderInfo_t *<\/span>pH264Info)<\/span>;<\/span>
      \nint<\/span> H264_FileClose<\/span>(<\/span>H264ReaderInfo_t *<\/span>pH264Info)<\/span>;<\/span>
      \nint<\/span> H264_GetFrame<\/span>(<\/span>H264Frame_t *<\/span>pH264Frame,<\/span> H264ReaderInfo_t *<\/span>pH264Info)<\/span>;<\/span>
      \nBOOL H264_IsEndOfFile<\/span>(<\/span>const<\/span> H264ReaderInfo_t *<\/span>pH264Info)<\/span>;<\/span>
      \nvoid<\/span> H264_SeekFile<\/span>(<\/span>H264ReaderInfo_t *<\/span>pH264Info)<\/span>;<\/span><\/p>\n

      #<\/span>endif<\/span> \/\/ __H264_READER_H__<\/span><\/span><\/p>\n

      2\u3001H264Reader.c<\/p>\n

      \/**
      \n * @file H264Reader.c
      \n * @author https:\/\/blog.csdn.net\/wkd_007
      \n * @brief
      \n * @version 0.1
      \n * @date 2025-06-30
      \n *
      \n * @copyright Copyright (c) 2025
      \n *
      \n *\/<\/span>
      \n#<\/span>include<\/span> "H264Reader.h"<\/span><\/span>
      \n#<\/span>include<\/span> <stdlib.h><\/span><\/span><\/p>\n

      #<\/span>define<\/span> MAX_FRAME_LEN<\/span> (<\/span>1920<\/span> *<\/span> 1080<\/span> *<\/span> 1.5<\/span>)<\/span> <\/span>\/\/ \u4e00\u5e27\u6570\u636e\u6700\u5927\u5b57\u8282\u6570<\/span><\/span><\/p>\n

      static<\/span> BOOL findStartCode_001<\/span>(<\/span>unsigned<\/span> char<\/span> *<\/span>Buf)<\/span>
      \n{<\/span>
      \n \/\/ printf("[%d %d %d]\\\\n", Buf[0], Buf[1], Buf[2]);<\/span>
      \n return<\/span> (<\/span>Buf[<\/span>0<\/span>]<\/span> ==<\/span> 0<\/span> &&<\/span> Buf[<\/span>1<\/span>]<\/span> ==<\/span> 0<\/span> &&<\/span> Buf[<\/span>2<\/span>]<\/span> ==<\/span> 1<\/span>)<\/span>;<\/span> \/\/ 0x000001?<\/span>
      \n}<\/span><\/p>\n

      static<\/span> BOOL findStartCode_0001<\/span>(<\/span>unsigned<\/span> char<\/span> *<\/span>Buf)<\/span>
      \n{<\/span>
      \n \/\/ printf("[%d %d %d %d]\\\\n", Buf[0], Buf[1], Buf[2], Buf[3]);<\/span>
      \n return<\/span> (<\/span>Buf[<\/span>0<\/span>]<\/span> ==<\/span> 0<\/span> &&<\/span> Buf[<\/span>1<\/span>]<\/span> ==<\/span> 0<\/span> &&<\/span> Buf[<\/span>2<\/span>]<\/span> ==<\/span> 0<\/span> &&<\/span> Buf[<\/span>3<\/span>]<\/span> ==<\/span> 1<\/span>)<\/span>;<\/span> \/\/ 0x00000001?<\/span>
      \n}<\/span><\/p>\n

      int<\/span> H264_FileOpen<\/span>(<\/span>char<\/span> *<\/span>fileName,<\/span> H264ReaderInfo_t *<\/span>pH264Info)<\/span>
      \n{<\/span>
      \n pH264Info-><\/span>pFileFd =<\/span> fopen<\/span>(<\/span>fileName,<\/span> "rb+"<\/span>)<\/span>;<\/span>
      \n if<\/span> (<\/span>pH264Info-><\/span>pFileFd ==<\/span> NULL<\/span>)<\/span>
      \n {<\/span>
      \n printf<\/span>(<\/span>"[%s %d]Open file error\\\\n"<\/span>,<\/span> __FILE__<\/span>,<\/span> __LINE__<\/span>)<\/span>;<\/span>
      \n return<\/span> –<\/span>1<\/span>;<\/span>
      \n }<\/span>
      \n pH264Info-><\/span>frameNum =<\/span> 0<\/span>;<\/span>
      \n return<\/span> 0<\/span>;<\/span>
      \n}<\/span><\/p>\n

      int<\/span> H264_FileClose<\/span>(<\/span>H264ReaderInfo_t *<\/span>pH264Info)<\/span>
      \n{<\/span>
      \n if<\/span> (<\/span>pH264Info-><\/span>pFileFd !=<\/span> NULL<\/span>)<\/span>
      \n {<\/span>
      \n fclose<\/span>(<\/span>pH264Info-><\/span>pFileFd)<\/span>;<\/span>
      \n pH264Info-><\/span>pFileFd =<\/span> NULL<\/span>;<\/span>
      \n }<\/span>
      \n return<\/span> 0<\/span>;<\/span>
      \n}<\/span><\/p>\n

      BOOL H264_IsEndOfFile<\/span>(<\/span>const<\/span> H264ReaderInfo_t *<\/span>pH264Info)<\/span>
      \n{<\/span>
      \n return<\/span> feof<\/span>(<\/span>pH264Info-><\/span>pFileFd)<\/span>;<\/span>
      \n}<\/span><\/p>\n

      void<\/span> H264_SeekFile<\/span>(<\/span>H264ReaderInfo_t *<\/span>pH264Info)<\/span>
      \n{<\/span>
      \n fseek<\/span>(<\/span>pH264Info-><\/span>pFileFd,<\/span> 0<\/span>,<\/span> SEEK_SET<\/span>)<\/span>;<\/span>
      \n pH264Info-><\/span>frameNum =<\/span> 0<\/span>;<\/span>
      \n}<\/span><\/p>\n

      \/**
      \n * @brief \u83b7\u53d6\u4e00\u9635h264\u89c6\u9891\u5e27
      \n *
      \n * @param pH264Frame ：\u8f93\u51fa\u53c2\u6570，\u4f7f\u7528\u540e pH264Frame->pFrameBuf \u9700\u8981free
      \n * @param pH264Info ：\u8f93\u5165\u53c2\u6570
      \n * @return int
      \n *\/<\/span>
      \nint<\/span> H264_GetFrame<\/span>(<\/span>H264Frame_t *<\/span>pH264Frame,<\/span> H264ReaderInfo_t *<\/span>pH264Info)<\/span>
      \n{<\/span>
      \n int<\/span> rewind =<\/span> 0<\/span>;<\/span>
      \n if<\/span> (<\/span>pH264Info-><\/span>pFileFd ==<\/span> NULL<\/span>)<\/span>
      \n {<\/span>
      \n printf<\/span>(<\/span>"[%s %d]pFileFd error\\\\n"<\/span>,<\/span> __FILE__<\/span>,<\/span> __LINE__<\/span>)<\/span>;<\/span>
      \n return<\/span> –<\/span>1<\/span>;<\/span>
      \n }<\/span><\/p>\n

      \/\/ 1.\u8bfb\u53d6\u5e27\u6570\u636e<\/span>
      \n \/\/ unsigned char *pFrame = (unsigned char *)malloc(MAX_FRAME_LEN);<\/span>
      \n unsigned<\/span> char<\/span> *<\/span>pFrame =<\/span> pH264Frame-><\/span>pFrameBuf;<\/span>
      \n int<\/span> readLen =<\/span> fread<\/span>(<\/span>pFrame,<\/span> 1<\/span>,<\/span> MAX_FRAME_LEN,<\/span> pH264Info-><\/span>pFileFd)<\/span>;<\/span>
      \n if<\/span> (<\/span>readLen <=<\/span> 0<\/span>)<\/span>
      \n {<\/span>
      \n printf<\/span>(<\/span>"[%s %d]fread error\\\\n"<\/span>,<\/span> __FILE__<\/span>,<\/span> __LINE__<\/span>)<\/span>;<\/span>
      \n \/\/ free(pFrame);<\/span>
      \n return<\/span> –<\/span>1<\/span>;<\/span>
      \n }<\/span><\/p>\n

      \/\/ 2.\u67e5\u627e\u5f53\u524d\u5e27\u5f00\u59cb\u7801<\/span>
      \n int<\/span> i =<\/span> 0<\/span>;<\/span>
      \n for<\/span> (<\/span>;<\/span> i <<\/span> readLen –<\/span> MAX_STARTCODE_LEN;<\/span> i++<\/span>)<\/span>
      \n {<\/span>
      \n if<\/span> (<\/span>!<\/span>findStartCode_0001<\/span>(<\/span>&<\/span>pFrame[<\/span>i]<\/span>)<\/span>)<\/span>
      \n {<\/span>
      \n if<\/span> (<\/span>!<\/span>findStartCode_001<\/span>(<\/span>&<\/span>pFrame[<\/span>i]<\/span>)<\/span>)<\/span>
      \n {<\/span>
      \n continue<\/span>;<\/span>
      \n }<\/span>
      \n else<\/span>
      \n {<\/span>
      \n pH264Frame-><\/span>startcode_len =<\/span> 3<\/span>;<\/span>
      \n break<\/span>;<\/span>
      \n }<\/span>
      \n }<\/span>
      \n else<\/span>
      \n {<\/span>
      \n pH264Frame-><\/span>startcode_len =<\/span> 4<\/span>;<\/span>
      \n break<\/span>;<\/span>
      \n }<\/span>
      \n }<\/span>
      \n if<\/span> (<\/span>i !=<\/span> 0<\/span>)<\/span> \/\/ \u4e0d\u662f\u5e27\u5f00\u5934，\u504f\u79fb\u5230\u5e27\u5f00\u5934\u91cd\u65b0\u8bfb<\/span>
      \n {<\/span>
      \n printf<\/span>(<\/span>"[%s %d]startcode error, i=%d\\\\n"<\/span>,<\/span> __FILE__<\/span>,<\/span> __LINE__<\/span>,<\/span> i)<\/span>;<\/span>
      \n \/\/ free(pFrame);<\/span>
      \n rewind =<\/span> (<\/span>–<\/span>(<\/span>readLen –<\/span> i)<\/span>)<\/span>;<\/span>
      \n fseek<\/span>(<\/span>pH264Info-><\/span>pFileFd,<\/span> rewind,<\/span> SEEK_CUR<\/span>)<\/span>;<\/span>
      \n return<\/span> –<\/span>1<\/span>;<\/span>
      \n }<\/span><\/p>\n

      \/\/ 3.\u67e5\u627e\u4e0b\u4e00\u5e27\u5f00\u59cb\u7801<\/span>
      \n i +=<\/span> MAX_STARTCODE_LEN;<\/span>
      \n for<\/span> (<\/span>;<\/span> i <<\/span> readLen –<\/span> MAX_STARTCODE_LEN;<\/span> i++<\/span>)<\/span>
      \n {<\/span>
      \n if<\/span> (<\/span>!<\/span>findStartCode_0001<\/span>(<\/span>&<\/span>pFrame[<\/span>i]<\/span>)<\/span>)<\/span>
      \n {<\/span>
      \n if<\/span> (<\/span>!<\/span>findStartCode_001<\/span>(<\/span>&<\/span>pFrame[<\/span>i]<\/span>)<\/span>)<\/span>
      \n {<\/span>
      \n continue<\/span>;<\/span>
      \n }<\/span>
      \n else<\/span>
      \n {<\/span>
      \n break<\/span>;<\/span>
      \n }<\/span>
      \n }<\/span>
      \n else<\/span>
      \n {<\/span>
      \n break<\/span>;<\/span>
      \n }<\/span>
      \n }<\/span>
      \n if<\/span> (<\/span>i ==<\/span> (<\/span>readLen –<\/span> MAX_STARTCODE_LEN)<\/span>)<\/span>
      \n {<\/span>
      \n if<\/span> (<\/span>!<\/span>feof<\/span>(<\/span>pH264Info-><\/span>pFileFd)<\/span>)<\/span>
      \n {<\/span>
      \n printf<\/span>(<\/span>"[%s %d]MAX_FRAME_LEN too small\\\\n"<\/span>,<\/span> __FILE__<\/span>,<\/span> __LINE__<\/span>)<\/span>;<\/span>
      \n \/\/ free(pFrame);<\/span>
      \n return<\/span> –<\/span>1<\/span>;<\/span>
      \n }<\/span>
      \n else<\/span>
      \n {<\/span>
      \n pH264Frame-><\/span>isLastFrame =<\/span> TRUE;<\/span>
      \n }<\/span>
      \n }<\/span><\/p>\n

      \/\/ 4.\u586b\u6570\u636e<\/span>
      \n pH264Frame-><\/span>forbidden_bit =<\/span> pFrame[<\/span>pH264Frame-><\/span>startcode_len]<\/span> &<\/span> 0x80<\/span>;<\/span> \/\/ 1 bit<\/span>
      \n pH264Frame-><\/span>nal_reference_idc =<\/span> pFrame[<\/span>pH264Frame-><\/span>startcode_len]<\/span> &<\/span> 0x60<\/span>;<\/span> \/\/ 2 bit<\/span>
      \n pH264Frame-><\/span>nal_unit_type =<\/span> pFrame[<\/span>pH264Frame-><\/span>startcode_len]<\/span> &<\/span> 0x1f<\/span>;<\/span> \/\/ 5 bit, naluType \u662f\u5f00\u59cb\u7801\u540e\u4e00\u4e2a\u5b57\u8282\u7684\u6700\u540e 5 \u4f4d<\/span>
      \n \/\/ pH264Frame->pFrameBuf = pFrame;<\/span>
      \n pH264Frame-><\/span>frame_len =<\/span> i;<\/span><\/p>\n

      \/\/ 5.\u6587\u4ef6\u8bfb\u53d6\u6307\u9488\u504f\u79fb\u5230\u4e0b\u4e00\u5e27\u4f4d\u7f6e<\/span>
      \n rewind =<\/span> (<\/span>–<\/span>(<\/span>readLen –<\/span> i)<\/span>)<\/span>;<\/span>
      \n fseek<\/span>(<\/span>pH264Info-><\/span>pFileFd,<\/span> rewind,<\/span> SEEK_CUR<\/span>)<\/span>;<\/span><\/p>\n

      pH264Info-><\/span>frameNum++<\/span>;<\/span><\/p>\n

      return<\/span> pH264Frame-><\/span>frame_len;<\/span>
      \n}<\/span><\/p>\n

      3\u3001rtp.h<\/p>\n

      #<\/span>ifndef<\/span> _RTP_H_<\/span><\/span>
      \n#<\/span>define<\/span> _RTP_H_<\/span><\/span>
      \n#<\/span>include<\/span> <stdint.h><\/span><\/span><\/p>\n

      #<\/span>define<\/span> RTP_VESION<\/span> 2<\/span><\/span><\/span><\/p>\n

      #<\/span>define<\/span> RTP_PAYLOAD_TYPE_H264<\/span> 96<\/span><\/span><\/span>
      \n#<\/span>define<\/span> RTP_PAYLOAD_TYPE_AAC<\/span> 97<\/span><\/span><\/span><\/p>\n

      #<\/span>define<\/span> RTP_HEADER_SIZE<\/span> 12<\/span><\/span><\/span>
      \n#<\/span>define<\/span> RTP_MAX_PKT_SIZE<\/span> 1400<\/span><\/span><\/span><\/p>\n

      \/*
      \n *
      \n * 0 1 2 3
      \n * 7 6 5 4 3 2 1 0|7 6 5 4 3 2 1 0|7 6 5 4 3 2 1 0|7 6 5 4 3 2 1 0
      \n * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
      \n * |V=2|P|X| CC |M| PT | sequence number |
      \n * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
      \n * | timestamp |
      \n * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
      \n * | synchronization source (SSRC) identifier |
      \n * +=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+
      \n * | contributing source (CSRC) identifiers |
      \n * : …. :
      \n * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
      \n *
      \n *\/<\/span>
      \nstruct<\/span> RtpHeader<\/span>
      \n{<\/span>
      \n \/* byte 0 *\/<\/span>
      \n uint8_t<\/span> csrcLen:<\/span>4<\/span>;<\/span>
      \n uint8_t<\/span> extension:<\/span>1<\/span>;<\/span>
      \n uint8_t<\/span> padding:<\/span>1<\/span>;<\/span>
      \n uint8_t<\/span> version:<\/span>2<\/span>;<\/span><\/p>\n

      \/* byte 1 *\/<\/span>
      \n uint8_t<\/span> payloadType:<\/span>7<\/span>;<\/span>
      \n uint8_t<\/span> marker:<\/span>1<\/span>;<\/span><\/p>\n

      \/* bytes 2,3 *\/<\/span>
      \n uint16_t<\/span> seq;<\/span><\/p>\n

      \/* bytes 4-7 *\/<\/span>
      \n uint32_t<\/span> timestamp;<\/span><\/p>\n

      \/* bytes 8-11 *\/<\/span>
      \n uint32_t<\/span> ssrc;<\/span>
      \n}<\/span>;<\/span><\/p>\n

      struct<\/span> RtpPacket<\/span>
      \n{<\/span>
      \n struct<\/span> RtpHeader<\/span> rtpHeader;<\/span>
      \n uint8_t<\/span> payload[<\/span>0<\/span>]<\/span>;<\/span>
      \n}<\/span>;<\/span><\/p>\n

      void<\/span> rtpHeaderInit<\/span>(<\/span>struct<\/span> RtpPacket<\/span>*<\/span> rtpPacket,<\/span> uint8_t<\/span> csrcLen,<\/span> uint8_t<\/span> extension,<\/span>
      \n uint8_t<\/span> padding,<\/span> uint8_t<\/span> version,<\/span> uint8_t<\/span> payloadType,<\/span> uint8_t<\/span> marker,<\/span>
      \n uint16_t<\/span> seq,<\/span> uint32_t<\/span> timestamp,<\/span> uint32_t<\/span> ssrc)<\/span>;<\/span>
      \nint<\/span> rtpSendPacket<\/span>(<\/span>int<\/span> socket,<\/span> char<\/span>*<\/span> ip,<\/span> int16_t<\/span> port,<\/span> struct<\/span> RtpPacket<\/span>*<\/span> rtpPacket,<\/span> uint32_t<\/span> dataSize)<\/span>;<\/span><\/p>\n

      #<\/span>endif<\/span> \/\/_RTP_H_<\/span><\/span><\/p>\n

      4\u3001rtp.c<\/p>\n

      #<\/span>include<\/span> <sys\/types.h><\/span><\/span>
      \n#<\/span>include<\/span> <sys\/socket.h><\/span><\/span>
      \n#<\/span>include<\/span> <arpa\/inet.h><\/span><\/span>
      \n#<\/span>include<\/span> <netinet\/in.h><\/span><\/span>
      \n#<\/span>include<\/span> <arpa\/inet.h><\/span><\/span><\/p>\n

      #<\/span>include<\/span> "rtp.h"<\/span><\/span><\/p>\n

      void<\/span> rtpHeaderInit<\/span>(<\/span>struct<\/span> RtpPacket<\/span> *<\/span>rtpPacket,<\/span> uint8_t<\/span> csrcLen,<\/span> uint8_t<\/span> extension,<\/span>
      \n uint8_t<\/span> padding,<\/span> uint8_t<\/span> version,<\/span> uint8_t<\/span> payloadType,<\/span> uint8_t<\/span> marker,<\/span>
      \n uint16_t<\/span> seq,<\/span> uint32_t<\/span> timestamp,<\/span> uint32_t<\/span> ssrc)<\/span>
      \n{<\/span>
      \n rtpPacket-><\/span>rtpHeader.<\/span>csrcLen =<\/span> csrcLen;<\/span>
      \n rtpPacket-><\/span>rtpHeader.<\/span>extension =<\/span> extension;<\/span>
      \n rtpPacket-><\/span>rtpHeader.<\/span>padding =<\/span> padding;<\/span>
      \n rtpPacket-><\/span>rtpHeader.<\/span>version =<\/span> version;<\/span>
      \n rtpPacket-><\/span>rtpHeader.<\/span>payloadType =<\/span> payloadType;<\/span>
      \n rtpPacket-><\/span>rtpHeader.<\/span>marker =<\/span> marker;<\/span>
      \n rtpPacket-><\/span>rtpHeader.<\/span>seq =<\/span> seq;<\/span>
      \n rtpPacket-><\/span>rtpHeader.<\/span>timestamp =<\/span> timestamp;<\/span>
      \n rtpPacket-><\/span>rtpHeader.<\/span>ssrc =<\/span> ssrc;<\/span>
      \n}<\/span><\/p>\n

      int<\/span> rtpSendPacket<\/span>(<\/span>int<\/span> socket,<\/span> char<\/span> *<\/span>ip,<\/span> int16_t<\/span> port,<\/span> struct<\/span> RtpPacket<\/span> *<\/span>rtpPacket,<\/span> uint32_t<\/span> dataSize)<\/span>
      \n{<\/span>
      \n struct<\/span> sockaddr_in<\/span> addr;<\/span>
      \n int<\/span> ret;<\/span><\/p>\n

      addr.<\/span>sin_family =<\/span> AF_INET;<\/span>
      \n addr.<\/span>sin_port =<\/span> htons<\/span>(<\/span>port)<\/span>;<\/span>
      \n addr.<\/span>sin_addr.<\/span>s_addr =<\/span> inet_addr<\/span>(<\/span>ip)<\/span>;<\/span><\/p>\n

      rtpPacket-><\/span>rtpHeader.<\/span>seq =<\/span> htons<\/span>(<\/span>rtpPacket-><\/span>rtpHeader.<\/span>seq)<\/span>;<\/span>
      \n rtpPacket-><\/span>rtpHeader.<\/span>timestamp =<\/span> htonl<\/span>(<\/span>rtpPacket-><\/span>rtpHeader.<\/span>timestamp)<\/span>;<\/span>
      \n rtpPacket-><\/span>rtpHeader.<\/span>ssrc =<\/span> htonl<\/span>(<\/span>rtpPacket-><\/span>rtpHeader.<\/span>ssrc)<\/span>;<\/span><\/p>\n

      ret =<\/span> sendto<\/span>(<\/span>socket,<\/span> (<\/span>void<\/span> *<\/span>)<\/span>rtpPacket,<\/span> dataSize +<\/span> RTP_HEADER_SIZE,<\/span> 0<\/span>,<\/span>
      \n (<\/span>struct<\/span> sockaddr<\/span> *<\/span>)<\/span>&<\/span>addr,<\/span> sizeof<\/span>(<\/span>addr)<\/span>)<\/span>;<\/span><\/p>\n

      rtpPacket-><\/span>rtpHeader.<\/span>seq =<\/span> ntohs<\/span>(<\/span>rtpPacket-><\/span>rtpHeader.<\/span>seq)<\/span>;<\/span>
      \n rtpPacket-><\/span>rtpHeader.<\/span>timestamp =<\/span> ntohl<\/span>(<\/span>rtpPacket-><\/span>rtpHeader.<\/span>timestamp)<\/span>;<\/span>
      \n rtpPacket-><\/span>rtpHeader.<\/span>ssrc =<\/span> ntohl<\/span>(<\/span>rtpPacket-><\/span>rtpHeader.<\/span>ssrc)<\/span>;<\/span><\/p>\n

      return<\/span> ret;<\/span>
      \n}<\/span><\/p>\n

      5\u3001rtsp_h264_main.c<\/p>\n

      \/**
      \n * @file rtsp_h264_main.c
      \n * @author https:\/\/blog.csdn.net\/wkd_007
      \n * @brief
      \n * @version 0.1
      \n * @date 2025-06-30
      \n *
      \n * @copyright Copyright (c) 2025
      \n *
      \n *\/<\/span>
      \n#<\/span>include<\/span> <stdio.h><\/span><\/span>
      \n#<\/span>include<\/span> <stdlib.h><\/span><\/span>
      \n#<\/span>include<\/span> <string.h><\/span><\/span>
      \n#<\/span>include<\/span> <unistd.h><\/span><\/span>
      \n#<\/span>include<\/span> <sys\/socket.h><\/span><\/span>
      \n#<\/span>include<\/span> <netinet\/in.h><\/span><\/span>
      \n#<\/span>include<\/span> <arpa\/inet.h><\/span><\/span>
      \n#<\/span>include<\/span> <sys\/types.h><\/span><\/span>
      \n#<\/span>include<\/span> <sys\/socket.h><\/span><\/span>
      \n#<\/span>include<\/span> <sys\/stat.h><\/span><\/span>
      \n#<\/span>include<\/span> <fcntl.h><\/span><\/span><\/p>\n

      #<\/span>include<\/span> "rtp.h"<\/span><\/span>
      \n#<\/span>include<\/span> "H264Reader.h"<\/span><\/span><\/p>\n

      #<\/span>define<\/span> H264_FILE_NAME<\/span> "test.h264"<\/span><\/span>
      \n#<\/span>define<\/span> FPS<\/span> 25<\/span><\/span><\/span><\/p>\n

      #<\/span>define<\/span> RTSP_PORT<\/span> 8554<\/span><\/span><\/span>
      \n#<\/span>define<\/span> RTP_PORT<\/span> 55666<\/span><\/span><\/span>
      \n#<\/span>define<\/span> MAX_CLIENTS<\/span> 5<\/span><\/span><\/span>
      \n#<\/span>define<\/span> SESSION_ID<\/span> 10086001<\/span><\/span><\/span>
      \n#<\/span>define<\/span> SESSION_TIMEOUT<\/span> 60<\/span><\/span><\/span><\/p>\n

      typedef<\/span> struct<\/span>
      \n{<\/span>
      \n int<\/span> rtpSendFd;<\/span>
      \n int<\/span> rtpPort;<\/span>
      \n int<\/span> bPlayFlag;<\/span> \/\/ \u64ad\u653e\u6807\u5fd7<\/span>
      \n char<\/span> *<\/span>cliIp;<\/span>
      \n}<\/span> RTP_Send_t;<\/span><\/p>\n

      typedef<\/span> enum<\/span>
      \n{<\/span>
      \n RTP_NULL,<\/span>
      \n RTP_PLAY,<\/span>
      \n RTP_PLAYING,<\/span>
      \n RTP_STOP,<\/span>
      \n}<\/span> RTP_PLAY_STATE;<\/span><\/p>\n

      static<\/span> int<\/span> createUdpSocket<\/span>(<\/span>)<\/span>
      \n{<\/span>
      \n int<\/span> fd =<\/span> socket<\/span>(<\/span>AF_INET,<\/span> SOCK_DGRAM,<\/span> 0<\/span>)<\/span>;<\/span>
      \n if<\/span> (<\/span>fd <<\/span> 0<\/span>)<\/span>
      \n return<\/span> –<\/span>1<\/span>;<\/span><\/p>\n

      int<\/span> on =<\/span> 1<\/span>;<\/span>
      \n setsockopt<\/span>(<\/span>fd,<\/span> SOL_SOCKET,<\/span> SO_REUSEADDR,<\/span> (<\/span>const<\/span> char<\/span> *<\/span>)<\/span>&<\/span>on,<\/span> sizeof<\/span>(<\/span>on)<\/span>)<\/span>;<\/span><\/p>\n

      return<\/span> fd;<\/span>
      \n}<\/span><\/p>\n

      static<\/span> int<\/span> rtpSendH264Frame<\/span>(<\/span>int<\/span> socket,<\/span> char<\/span> *<\/span>ip,<\/span> int16_t<\/span> port,<\/span>
      \n struct<\/span> RtpPacket<\/span> *<\/span>rtpPacket,<\/span> uint8_t<\/span> *<\/span>frame,<\/span> uint32_t<\/span> frameSize)<\/span>
      \n{<\/span>
      \n uint8_t<\/span> naluType;<\/span> \/\/ nalu\u7b2c\u4e00\u4e2a\u5b57\u8282<\/span>
      \n int<\/span> sendBytes =<\/span> 0<\/span>;<\/span>
      \n int<\/span> ret;<\/span><\/p>\n

      naluType =<\/span> frame[<\/span>0<\/span>]<\/span>;<\/span><\/p>\n

      if<\/span> (<\/span>frameSize <=<\/span> RTP_MAX_PKT_SIZE)<\/span> \/\/ nalu\u957f\u5ea6\u5c0f\u4e8e\u6700\u5927\u5305\u573a：\u5355\u4e00NALU\u5355\u5143\u6a21\u5f0f<\/span>
      \n {<\/span>
      \n \/*
      \n * 0 1 2 3 4 5 6 7 8 9
      \n * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
      \n * |F|NRI| Type | a single NAL unit … |
      \n * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
      \n *\/<\/span>
      \n memcpy<\/span>(<\/span>rtpPacket-><\/span>payload,<\/span> frame,<\/span> frameSize)<\/span>;<\/span>
      \n ret =<\/span> rtpSendPacket<\/span>(<\/span>socket,<\/span> ip,<\/span> port,<\/span> rtpPacket,<\/span> frameSize)<\/span>;<\/span>
      \n if<\/span> (<\/span>ret <<\/span> 0<\/span>)<\/span>
      \n return<\/span> –<\/span>1<\/span>;<\/span><\/p>\n

      rtpPacket-><\/span>rtpHeader.<\/span>seq++<\/span>;<\/span>
      \n sendBytes +=<\/span> ret;<\/span>
      \n if<\/span> (<\/span>(<\/span>naluType &<\/span> 0x1F<\/span>)<\/span> ==<\/span> 7<\/span> ||<\/span> (<\/span>naluType &<\/span> 0x1F<\/span>)<\/span> ==<\/span> 8<\/span>)<\/span> \/\/ \u5982\u679c\u662fSPS\u3001PPS\u5c31\u4e0d\u9700\u8981\u52a0\u65f6\u95f4\u6233<\/span>
      \n goto<\/span> out;<\/span>
      \n }<\/span>
      \n else<\/span> \/\/ nalu\u957f\u5ea6\u5927\u4e8e\u6700\u5927\u5305\u573a：\u5206\u7247\u6a21\u5f0f<\/span>
      \n {<\/span>
      \n \/*
      \n * 0 1 2
      \n * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3
      \n * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
      \n * | FU indicator | FU header | FU payload … |
      \n * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
      \n *\/<\/span><\/p>\n

      \/*
      \n * FU Indicator
      \n * 0 1 2 3 4 5 6 7
      \n * +-+-+-+-+-+-+-+-+
      \n * |F|NRI| Type |
      \n * +—————+
      \n *\/<\/span><\/p>\n

      \/*
      \n * FU Header
      \n * 0 1 2 3 4 5 6 7
      \n * +-+-+-+-+-+-+-+-+
      \n * |S|E|R| Type |
      \n * +—————+
      \n *\/<\/span><\/p>\n

      int<\/span> pktNum =<\/span> frameSize \/<\/span> RTP_MAX_PKT_SIZE;<\/span> \/\/ \u6709\u51e0\u4e2a\u5b8c\u6574\u7684\u5305<\/span>
      \n int<\/span> remainPktSize =<\/span> frameSize %<\/span> RTP_MAX_PKT_SIZE;<\/span> \/\/ \u5269\u4f59\u4e0d\u5b8c\u6574\u5305\u7684\u5927\u5c0f<\/span>
      \n int<\/span> i,<\/span> pos =<\/span> 1<\/span>;<\/span><\/p>\n

      \/* \u53d1\u9001\u5b8c\u6574\u7684\u5305 *\/<\/span>
      \n for<\/span> (<\/span>i =<\/span> 0<\/span>;<\/span> i <<\/span> pktNum;<\/span> i++<\/span>)<\/span>
      \n {<\/span>
      \n rtpPacket-><\/span>payload[<\/span>0<\/span>]<\/span> =<\/span> (<\/span>naluType &<\/span> 0x60<\/span>)<\/span> |<\/span> 28<\/span>;<\/span>
      \n rtpPacket-><\/span>payload[<\/span>1<\/span>]<\/span> =<\/span> naluType &<\/span> 0x1F<\/span>;<\/span><\/p>\n

      if<\/span> (<\/span>i ==<\/span> 0<\/span>)<\/span> \/\/ \u7b2c\u4e00\u5305\u6570\u636e<\/span>
      \n rtpPacket-><\/span>payload[<\/span>1<\/span>]<\/span> |=<\/span> 0x80<\/span>;<\/span> \/\/ start<\/span>
      \n else<\/span> if<\/span> (<\/span>remainPktSize ==<\/span> 0<\/span> &&<\/span> i ==<\/span> pktNum –<\/span> 1<\/span>)<\/span> \/\/ \u6700\u540e\u4e00\u5305\u6570\u636e<\/span>
      \n rtpPacket-><\/span>payload[<\/span>1<\/span>]<\/span> |=<\/span> 0x40<\/span>;<\/span> \/\/ end<\/span><\/p>\n

      memcpy<\/span>(<\/span>rtpPacket-><\/span>payload +<\/span> 2<\/span>,<\/span> frame +<\/span> pos,<\/span> RTP_MAX_PKT_SIZE)<\/span>;<\/span>
      \n ret =<\/span> rtpSendPacket<\/span>(<\/span>socket,<\/span> ip,<\/span> port,<\/span> rtpPacket,<\/span> RTP_MAX_PKT_SIZE +<\/span> 2<\/span>)<\/span>;<\/span>
      \n if<\/span> (<\/span>ret <<\/span> 0<\/span>)<\/span>
      \n return<\/span> –<\/span>1<\/span>;<\/span><\/p>\n

      rtpPacket-><\/span>rtpHeader.<\/span>seq++<\/span>;<\/span>
      \n sendBytes +=<\/span> ret;<\/span>
      \n pos +=<\/span> RTP_MAX_PKT_SIZE;<\/span>
      \n }<\/span><\/p>\n

      \/* \u53d1\u9001\u5269\u4f59\u7684\u6570\u636e *\/<\/span>
      \n if<\/span> (<\/span>remainPktSize ><\/span> 0<\/span>)<\/span>
      \n {<\/span>
      \n rtpPacket-><\/span>payload[<\/span>0<\/span>]<\/span> =<\/span> (<\/span>naluType &<\/span> 0x60<\/span>)<\/span> |<\/span> 28<\/span>;<\/span>
      \n rtpPacket-><\/span>payload[<\/span>1<\/span>]<\/span> =<\/span> naluType &<\/span> 0x1F<\/span>;<\/span>
      \n rtpPacket-><\/span>payload[<\/span>1<\/span>]<\/span> |=<\/span> 0x40<\/span>;<\/span> \/\/ end<\/span><\/p>\n

      memcpy<\/span>(<\/span>rtpPacket-><\/span>payload +<\/span> 2<\/span>,<\/span> frame +<\/span> pos,<\/span> remainPktSize +<\/span> 2<\/span>)<\/span>;<\/span>
      \n ret =<\/span> rtpSendPacket<\/span>(<\/span>socket,<\/span> ip,<\/span> port,<\/span> rtpPacket,<\/span> remainPktSize +<\/span> 2<\/span>)<\/span>;<\/span>
      \n if<\/span> (<\/span>ret <<\/span> 0<\/span>)<\/span>
      \n return<\/span> –<\/span>1<\/span>;<\/span><\/p>\n

      rtpPacket-><\/span>rtpHeader.<\/span>seq++<\/span>;<\/span>
      \n sendBytes +=<\/span> ret;<\/span>
      \n }<\/span>
      \n }<\/span><\/p>\n

      out:<\/span>
      \n return<\/span> sendBytes;<\/span>
      \n}<\/span><\/p>\n

      void<\/span> *<\/span>sendRtp<\/span>(<\/span>void<\/span> *<\/span>arg)<\/span>
      \n{<\/span>
      \n RTP_Send_t *<\/span>pRtpSend =<\/span> (<\/span>RTP_Send_t *<\/span>)<\/span>arg;<\/span>
      \n int<\/span> rtp_send_fd =<\/span> pRtpSend-><\/span>rtpSendFd;<\/span>
      \n int<\/span> rtpPort =<\/span> pRtpSend-><\/span>rtpPort;<\/span>
      \n char<\/span> *<\/span>cli_ip =<\/span> pRtpSend-><\/span>cliIp;<\/span><\/p>\n

      struct<\/span> RtpPacket<\/span> *<\/span>rtpPacket =<\/span> (<\/span>struct<\/span> RtpPacket<\/span> *<\/span>)<\/span>malloc<\/span>(<\/span>sizeof<\/span>(<\/span>struct<\/span> RtpPacket<\/span>)<\/span> +<\/span> (<\/span>1920<\/span> *<\/span> 1080<\/span> *<\/span> 4<\/span>)<\/span>)<\/span>;<\/span><\/p>\n

      rtpHeaderInit<\/span>(<\/span>rtpPacket,<\/span> 0<\/span>,<\/span> 0<\/span>,<\/span> 0<\/span>,<\/span> RTP_VESION,<\/span> RTP_PAYLOAD_TYPE_H264,<\/span> 0<\/span>,<\/span>
      \n 0<\/span>,<\/span> 0<\/span>,<\/span> 0x88923423<\/span>)<\/span>;<\/span><\/p>\n

      \/\/ h264<\/span>
      \n H264ReaderInfo_t h264Info;<\/span>
      \n if<\/span> (<\/span>H264_FileOpen<\/span>(<\/span>H264_FILE_NAME,<\/span> &<\/span>h264Info)<\/span> <<\/span> 0<\/span>)<\/span>
      \n {<\/span>
      \n printf<\/span>(<\/span>"failed to open %s\\\\n"<\/span>,<\/span> H264_FILE_NAME)<\/span>;<\/span>
      \n return<\/span> NULL<\/span>;<\/span>
      \n }<\/span><\/p>\n

      H264Frame_t h264Frame;<\/span>
      \n h264Frame.<\/span>pFrameBuf =<\/span> (<\/span>unsigned<\/span> char<\/span> *<\/span>)<\/span>malloc<\/span>(<\/span>1920<\/span> *<\/span> 1080<\/span> *<\/span> 4<\/span>)<\/span>;<\/span><\/p>\n

      while<\/span> (<\/span>pRtpSend-><\/span>bPlayFlag)<\/span>
      \n {<\/span>
      \n if<\/span> (<\/span>!<\/span>H264_IsEndOfFile<\/span>(<\/span>&<\/span>h264Info)<\/span>)<\/span>
      \n {<\/span>
      \n h264Frame.<\/span>isLastFrame =<\/span> 0<\/span>;<\/span>
      \n H264_GetFrame<\/span>(<\/span>&<\/span>h264Frame,<\/span> &<\/span>h264Info)<\/span>;<\/span><\/p>\n

      if<\/span> (<\/span>h264Frame.<\/span>pFrameBuf !=<\/span> NULL<\/span>)<\/span>
      \n {<\/span>
      \n if<\/span> (<\/span>h264Frame.<\/span>isLastFrame)<\/span> \/\/ \u6700\u540e\u4e00\u5e27，\u79fb\u5230\u5f00\u5934\u91cd\u65b0\u8bfb<\/span>
      \n {<\/span>
      \n printf<\/span>(<\/span>"warning SeekFile 1\\\\n"<\/span>)<\/span>;<\/span>
      \n H264_SeekFile<\/span>(<\/span>&<\/span>h264Info)<\/span>;<\/span>
      \n }<\/span><\/p>\n

      \/\/ printf("rtpSendH264Frame, frameNum=%d, time=%u\\\\n", h264Info.frameNum, rtpPacket->rtpHeader.timestamp);<\/span>
      \n rtpSendH264Frame<\/span>(<\/span>rtp_send_fd,<\/span> cli_ip,<\/span> rtpPort,<\/span> rtpPacket,<\/span>
      \n h264Frame.<\/span>pFrameBuf +<\/span> h264Frame.<\/span>startcode_len,<\/span>
      \n h264Frame.<\/span>frame_len –<\/span> h264Frame.<\/span>startcode_len)<\/span>;<\/span><\/p>\n

      rtpPacket-><\/span>rtpHeader.<\/span>timestamp +=<\/span> 90000<\/span> \/<\/span> FPS;<\/span> \/\/ RTP \u4f20\u8f93\u89c6\u9891\u6bcf\u79d2 90k HZ<\/span>
      \n usleep<\/span>(<\/span>1000<\/span> *<\/span> 1000<\/span> \/<\/span> FPS)<\/span>;<\/span>
      \n }<\/span>
      \n }<\/span>
      \n else<\/span>
      \n {<\/span>
      \n printf<\/span>(<\/span>"warning need SeekFile 1\\\\n"<\/span>)<\/span>;<\/span>
      \n }<\/span>
      \n }<\/span><\/p>\n

      free<\/span>(<\/span>h264Frame.<\/span>pFrameBuf)<\/span>;<\/span>
      \n free<\/span>(<\/span>rtpPacket)<\/span>;<\/span>
      \n H264_FileClose<\/span>(<\/span>&<\/span>h264Info)<\/span>;<\/span>
      \n}<\/span><\/p>\n

      \/\/ \u89e3\u6790RTSP\u8bf7\u6c42<\/span>
      \nstatic<\/span> void<\/span> rtsp_request_parse<\/span>(<\/span>char<\/span> *<\/span>buffer,<\/span> char<\/span> *<\/span>method,<\/span> char<\/span> *<\/span>url,<\/span> int<\/span> *<\/span>cseq,<\/span> int<\/span> *<\/span>pRtpPort)<\/span>
      \n{<\/span>
      \n char<\/span> *<\/span>line =<\/span> strtok<\/span>(<\/span>buffer,<\/span> "\\\\r\\\\n"<\/span>)<\/span>;<\/span>
      \n sscanf<\/span>(<\/span>line,<\/span> "%s %s RTSP\/1.0"<\/span>,<\/span> method,<\/span> url)<\/span>;<\/span><\/p>\n

      while<\/span> (<\/span>(<\/span>line =<\/span> strtok<\/span>(<\/span>NULL<\/span>,<\/span> "\\\\r\\\\n"<\/span>)<\/span>)<\/span> !=<\/span> NULL<\/span>)<\/span>
      \n {<\/span>
      \n if<\/span> (<\/span>strncmp<\/span>(<\/span>line,<\/span> "CSeq:"<\/span>,<\/span> 5<\/span>)<\/span> ==<\/span> 0<\/span>)<\/span>
      \n {<\/span>
      \n sscanf<\/span>(<\/span>line,<\/span> "CSeq: %d"<\/span>,<\/span> cseq)<\/span>;<\/span>
      \n }<\/span><\/p>\n

      char<\/span> *<\/span>pCliPort =<\/span> strstr<\/span>(<\/span>line,<\/span> "client_port="<\/span>)<\/span>;<\/span>
      \n if<\/span> (<\/span>pCliPort !=<\/span> NULL<\/span>)<\/span>
      \n {<\/span>
      \n int<\/span> rtcpPort =<\/span> 0<\/span>;<\/span>
      \n sscanf<\/span>(<\/span>pCliPort,<\/span> "client_port=%d-%d"<\/span>,<\/span> pRtpPort,<\/span> &<\/span>rtcpPort)<\/span>;<\/span>
      \n \/\/ printf("rtpPort: %d-%d\\\\n",*pRtpPort, rtcpPort);<\/span>
      \n }<\/span>
      \n }<\/span>
      \n}<\/span><\/p>\n

      \/\/ \u751f\u6210SDP\u63cf\u8ff0<\/span>
      \nconst<\/span> char<\/span> *<\/span>generate_sdp<\/span>(<\/span>)<\/span>
      \n{<\/span>
      \n return<\/span> "v=0\\\\r\\\\n"<\/span>
      \n "o=- 0 0 IN IP4 0.0.0.0\\\\r\\\\n"<\/span>
      \n "s=Example Stream\\\\r\\\\n"<\/span>
      \n "t=0 0\\\\r\\\\n"<\/span>
      \n "m=video 0 RTP\/AVP 96\\\\r\\\\n"<\/span>
      \n "a=rtpmap:96 H264\/90000\\\\r\\\\n"<\/span>
      \n "a=control:streamid=0\\\\r\\\\n"<\/span>;<\/span>
      \n}<\/span><\/p>\n

      void<\/span> rtsp_handle_OPTION<\/span>(<\/span>char<\/span> *<\/span>response,<\/span> int<\/span> cseq)<\/span>
      \n{<\/span>
      \n sprintf<\/span>(<\/span>response,<\/span>
      \n "RTSP\/1.0 200 OK\\\\r\\\\n"<\/span>
      \n "CSeq: %d\\\\r\\\\n"<\/span>
      \n "Public: OPTIONS, DESCRIBE, SETUP, PLAY, TEARDOWN\\\\r\\\\n\\\\r\\\\n"<\/span>,<\/span>
      \n cseq)<\/span>;<\/span>
      \n}<\/span><\/p>\n

      static<\/span> void<\/span> rtsp_handle_DESCRIBE<\/span>(<\/span>char<\/span> *<\/span>response,<\/span> int<\/span> cseq)<\/span>
      \n{<\/span>
      \n sprintf<\/span>(<\/span>response,<\/span>
      \n "RTSP\/1.0 200 OK\\\\r\\\\n"<\/span>
      \n "CSeq: %d\\\\r\\\\n"<\/span>
      \n "Content-Type: application\/sdp\\\\r\\\\n"<\/span>
      \n "Content-Length: %zu\\\\r\\\\n\\\\r\\\\n%s"<\/span>,<\/span>
      \n cseq,<\/span> strlen<\/span>(<\/span>generate_sdp<\/span>(<\/span>)<\/span>)<\/span>,<\/span> generate_sdp<\/span>(<\/span>)<\/span>)<\/span>;<\/span>
      \n}<\/span><\/p>\n

      static<\/span> void<\/span> rtsp_handle_SETUP<\/span>(<\/span>char<\/span> *<\/span>response,<\/span> int<\/span> cseq,<\/span> int<\/span> rtpPort)<\/span>
      \n{<\/span>
      \n sprintf<\/span>(<\/span>response,<\/span>
      \n "RTSP\/1.0 200 OK\\\\r\\\\n"<\/span>
      \n "CSeq: %d\\\\r\\\\n"<\/span>
      \n "Session: %u; timeout=%d\\\\r\\\\n"<\/span>
      \n "Transport: RTP\/AVP;unicast;client_port=%d-%d;server_port=%d-%d\\\\r\\\\n\\\\r\\\\n"<\/span>,<\/span>
      \n cseq,<\/span> SESSION_ID,<\/span> SESSION_TIMEOUT,<\/span> rtpPort,<\/span> rtpPort +<\/span> 1<\/span>,<\/span> RTP_PORT,<\/span> RTP_PORT +<\/span> 1<\/span>)<\/span>;<\/span>
      \n}<\/span><\/p>\n

      static<\/span> void<\/span> rtsp_handle_PLAY<\/span>(<\/span>char<\/span> *<\/span>response,<\/span> int<\/span> cseq)<\/span>
      \n{<\/span>
      \n sprintf<\/span>(<\/span>response,<\/span>
      \n "RTSP\/1.0 200 OK\\\\r\\\\n"<\/span>
      \n "CSeq: %d\\\\r\\\\n"<\/span>
      \n "Session: %u; timeout=%d\\\\r\\\\n"<\/span>
      \n "Range: npt=0.000-\\\\r\\\\n\\\\r\\\\n"<\/span>,<\/span>
      \n cseq,<\/span> SESSION_ID,<\/span> SESSION_TIMEOUT)<\/span>;<\/span>
      \n}<\/span><\/p>\n

      static<\/span> void<\/span> rtsp_handle_TEARDOWN<\/span>(<\/span>char<\/span> *<\/span>response,<\/span> int<\/span> cseq)<\/span>
      \n{<\/span>
      \n sprintf<\/span>(<\/span>response,<\/span>
      \n "RTSP\/1.0 200 OK\\\\r\\\\n"<\/span>
      \n "CSeq: %d\\\\r\\\\n"<\/span>
      \n "Session: %d; timeout=%d\\\\r\\\\n\\\\r\\\\n"<\/span>,<\/span>
      \n cseq,<\/span> SESSION_ID,<\/span> SESSION_TIMEOUT)<\/span>;<\/span>
      \n}<\/span><\/p>\n

      \/\/ \u5904\u7406\u5ba2\u6237\u7aef\u8fde\u63a5<\/span>
      \nint<\/span> handle_client<\/span>(<\/span>int<\/span> cli_fd,<\/span> int<\/span> rtp_send_fd,<\/span> char<\/span> *<\/span>cli_ip)<\/span>
      \n{<\/span>
      \n int<\/span> client_sock =<\/span> cli_fd;<\/span>
      \n char<\/span> buffer[<\/span>1024<\/span>]<\/span> =<\/span> {<\/span>0<\/span>}<\/span>;<\/span>
      \n int<\/span> cseq =<\/span> 0<\/span>;<\/span>
      \n int<\/span> rtpPort =<\/span> 0<\/span>;<\/span>
      \n unsigned<\/span> char<\/span> bSendFlag =<\/span> RTP_NULL;<\/span>
      \n RTP_Send_t rtpSend;<\/span>
      \n pthread_t<\/span> thread_id;<\/span><\/p>\n

      while<\/span> (<\/span>1<\/span>)<\/span>
      \n {<\/span>
      \n memset<\/span>(<\/span>buffer,<\/span> 0<\/span>,<\/span> sizeof<\/span>(<\/span>buffer)<\/span>)<\/span>;<\/span>
      \n int<\/span> len =<\/span> read<\/span>(<\/span>client_sock,<\/span> buffer,<\/span> sizeof<\/span>(<\/span>buffer)<\/span> –<\/span> 1<\/span>)<\/span>;<\/span>
      \n if<\/span> (<\/span>len <=<\/span> 0<\/span>)<\/span>
      \n break<\/span>;<\/span><\/p>\n

      printf<\/span>(<\/span>"C->S [%s]\\\\n\\\\n"<\/span>,<\/span> buffer)<\/span>;<\/span><\/p>\n

      char<\/span> method[<\/span>16<\/span>]<\/span> =<\/span> {<\/span>0<\/span>}<\/span>;<\/span>
      \n char<\/span> url[<\/span>128<\/span>]<\/span> =<\/span> {<\/span>0<\/span>}<\/span>;<\/span>
      \n rtsp_request_parse<\/span>(<\/span>buffer,<\/span> method,<\/span> url,<\/span> &<\/span>cseq,<\/span> &<\/span>rtpPort)<\/span>;<\/span><\/p>\n

      char<\/span> response[<\/span>1024<\/span>]<\/span> =<\/span> {<\/span>0<\/span>}<\/span>;<\/span> \/\/ \u6784\u9020\u54cd\u5e94<\/span>
      \n if<\/span> (<\/span>strcmp<\/span>(<\/span>method,<\/span> "OPTIONS"<\/span>)<\/span> ==<\/span> 0<\/span>)<\/span>
      \n {<\/span>
      \n rtsp_handle_OPTION<\/span>(<\/span>response,<\/span> cseq)<\/span>;<\/span>
      \n }<\/span>
      \n else<\/span> if<\/span> (<\/span>strcmp<\/span>(<\/span>method,<\/span> "DESCRIBE"<\/span>)<\/span> ==<\/span> 0<\/span>)<\/span>
      \n {<\/span>
      \n rtsp_handle_DESCRIBE<\/span>(<\/span>response,<\/span> cseq)<\/span>;<\/span>
      \n }<\/span>
      \n else<\/span> if<\/span> (<\/span>strcmp<\/span>(<\/span>method,<\/span> "SETUP"<\/span>)<\/span> ==<\/span> 0<\/span>)<\/span>
      \n {<\/span>
      \n rtsp_handle_SETUP<\/span>(<\/span>response,<\/span> cseq,<\/span> rtpPort)<\/span>;<\/span>
      \n }<\/span>
      \n else<\/span> if<\/span> (<\/span>strcmp<\/span>(<\/span>method,<\/span> "PLAY"<\/span>)<\/span> ==<\/span> 0<\/span>)<\/span>
      \n {<\/span>
      \n rtsp_handle_PLAY<\/span>(<\/span>response,<\/span> cseq)<\/span>;<\/span>
      \n bSendFlag =<\/span> RTP_PLAY;<\/span>
      \n }<\/span>
      \n else<\/span> if<\/span> (<\/span>strcmp<\/span>(<\/span>method,<\/span> "TEARDOWN"<\/span>)<\/span> ==<\/span> 0<\/span>)<\/span>
      \n {<\/span>
      \n rtsp_handle_TEARDOWN<\/span>(<\/span>response,<\/span> cseq)<\/span>;<\/span>
      \n bSendFlag =<\/span> RTP_STOP;<\/span>
      \n }<\/span>
      \n else<\/span>
      \n {<\/span>
      \n snprintf<\/span>(<\/span>response,<\/span> sizeof<\/span>(<\/span>response)<\/span>,<\/span>
      \n "RTSP\/1.0 501 Not Implemented\\\\r\\\\nCSeq: %d\\\\r\\\\n\\\\r\\\\n"<\/span>,<\/span> cseq)<\/span>;<\/span>
      \n }<\/span><\/p>\n

      write<\/span>(<\/span>client_sock,<\/span> response,<\/span> strlen<\/span>(<\/span>response)<\/span>)<\/span>;<\/span>
      \n printf<\/span>(<\/span>"S->C [%s]\\\\n\\\\n"<\/span>,<\/span> response)<\/span>;<\/span><\/p>\n

      if<\/span> (<\/span>bSendFlag ==<\/span> RTP_PLAY)<\/span> \/\/ PLAY<\/span>
      \n {<\/span>
      \n rtpSend.<\/span>rtpSendFd =<\/span> rtp_send_fd;<\/span>
      \n rtpSend.<\/span>rtpPort =<\/span> rtpPort;<\/span>
      \n rtpSend.<\/span>cliIp =<\/span> cli_ip;<\/span>
      \n rtpSend.<\/span>bPlayFlag =<\/span> 1<\/span>;<\/span><\/p>\n

      \/\/ \u8fd9\u91cc\u4e0d\u4f7f\u7528\u7ebf\u7a0b\u7684\u8bdd，\u4f1a\u4e00\u76f4\u65e0\u6cd5\u5904\u7406 client_sock \u53d1\u8fc7\u6765\u7684 OPTION \u6d88\u606f，\u5bfc\u81f4\u64ad\u653e\u51fa\u95ee\u9898<\/span>
      \n if<\/span> (<\/span>pthread_create<\/span>(<\/span>&<\/span>thread_id,<\/span> NULL<\/span>,<\/span> (<\/span>void<\/span> *<\/span>)<\/span>sendRtp,<\/span> (<\/span>void<\/span> *<\/span>)<\/span>&<\/span>rtpSend)<\/span> <<\/span> 0<\/span>)<\/span>
      \n {<\/span>
      \n perror<\/span>(<\/span>"pthread_create"<\/span>)<\/span>;<\/span>
      \n }<\/span>
      \n bSendFlag =<\/span> RTP_PLAYING;<\/span>
      \n }<\/span><\/p>\n

      if<\/span> (<\/span>bSendFlag ==<\/span> RTP_STOP)<\/span> \/\/ TEARDOWN<\/span>
      \n {<\/span>
      \n rtpSend.<\/span>bPlayFlag =<\/span> 0<\/span>;<\/span>
      \n pthread_join<\/span>(<\/span>thread_id)<\/span>;<\/span> \/\/ \u7b49\u5f85\u7ebf\u7a0b\u7ed3\u675f<\/span>
      \n bSendFlag =<\/span> RTP_NULL;<\/span>
      \n break<\/span>;<\/span>
      \n }<\/span>
      \n }<\/span><\/p>\n

      printf<\/span>(<\/span>"close ip=[%s] fd=[%d]\\\\n"<\/span>,<\/span> cli_ip,<\/span> client_sock)<\/span>;<\/span>
      \n close<\/span>(<\/span>client_sock)<\/span>;<\/span>
      \n return<\/span> 0<\/span>;<\/span>
      \n}<\/span><\/p>\n

      int<\/span> main<\/span>(<\/span>)<\/span>
      \n{<\/span>
      \n int<\/span> server_fd,<\/span> client_fd;<\/span>
      \n struct<\/span> sockaddr_in<\/span> address;<\/span>
      \n int<\/span> opt =<\/span> 1<\/span>;<\/span>
      \n socklen_t<\/span> addrlen =<\/span> sizeof<\/span>(<\/span>address)<\/span>;<\/span><\/p>\n

      \/\/ \u521b\u5efa\u5957\u63a5\u5b57<\/span>
      \n if<\/span> (<\/span>(<\/span>server_fd =<\/span> socket<\/span>(<\/span>AF_INET,<\/span> SOCK_STREAM,<\/span> 0<\/span>)<\/span>)<\/span> ==<\/span> 0<\/span>)<\/span>
      \n {<\/span>
      \n perror<\/span>(<\/span>"socket failed"<\/span>)<\/span>;<\/span>
      \n return<\/span> –<\/span>1<\/span>;<\/span>
      \n }<\/span><\/p>\n

      \/\/ \u8bbe\u7f6e\u5957\u63a5\u5b57\u9009\u9879<\/span>
      \n if<\/span> (<\/span>setsockopt<\/span>(<\/span>server_fd,<\/span> SOL_SOCKET,<\/span> SO_REUSEADDR,<\/span> &<\/span>opt,<\/span> sizeof<\/span>(<\/span>opt)<\/span>)<\/span>)<\/span>
      \n {<\/span>
      \n perror<\/span>(<\/span>"setsockopt"<\/span>)<\/span>;<\/span>
      \n return<\/span> –<\/span>1<\/span>;<\/span>
      \n }<\/span><\/p>\n

      address.<\/span>sin_family =<\/span> AF_INET;<\/span>
      \n address.<\/span>sin_addr.<\/span>s_addr =<\/span> INADDR_ANY;<\/span>
      \n address.<\/span>sin_port =<\/span> htons<\/span>(<\/span>RTSP_PORT)<\/span>;<\/span><\/p>\n

      \/\/ \u7ed1\u5b9a\u7aef\u53e3<\/span>
      \n if<\/span> (<\/span>bind<\/span>(<\/span>server_fd,<\/span> (<\/span>struct<\/span> sockaddr<\/span> *<\/span>)<\/span>&<\/span>address,<\/span> sizeof<\/span>(<\/span>address)<\/span>)<\/span> <<\/span> 0<\/span>)<\/span>
      \n {<\/span>
      \n perror<\/span>(<\/span>"bind failed"<\/span>)<\/span>;<\/span>
      \n return<\/span> –<\/span>1<\/span>;<\/span>
      \n }<\/span><\/p>\n

      \/\/ \u5f00\u59cb\u76d1\u542c<\/span>
      \n if<\/span> (<\/span>listen<\/span>(<\/span>server_fd,<\/span> MAX_CLIENTS)<\/span> <<\/span> 0<\/span>)<\/span>
      \n {<\/span>
      \n perror<\/span>(<\/span>"listen"<\/span>)<\/span>;<\/span>
      \n return<\/span> –<\/span>1<\/span>;<\/span>
      \n }<\/span><\/p>\n

      \/\/ \u7528\u4e8e\u53d1\u9001 rtp \u5305\u7684udp\u5957\u63a5\u5b57<\/span>
      \n int<\/span> rtp_send_fd =<\/span> createUdpSocket<\/span>(<\/span>)<\/span>;<\/span>
      \n if<\/span> (<\/span>rtp_send_fd <<\/span> 0<\/span>)<\/span>
      \n {<\/span>
      \n printf<\/span>(<\/span>"failed to create socket\\\\n"<\/span>)<\/span>;<\/span>
      \n return<\/span> –<\/span>1<\/span>;<\/span>
      \n }<\/span>
      \n address.<\/span>sin_port =<\/span> htons<\/span>(<\/span>RTP_PORT)<\/span>;<\/span>
      \n if<\/span> (<\/span>bind<\/span>(<\/span>rtp_send_fd,<\/span> (<\/span>struct<\/span> sockaddr<\/span> *<\/span>)<\/span>&<\/span>address,<\/span> sizeof<\/span>(<\/span>address)<\/span>)<\/span> <<\/span> 0<\/span>)<\/span>
      \n {<\/span>
      \n perror<\/span>(<\/span>"rtp_send_fd bind failed"<\/span>)<\/span>;<\/span>
      \n return<\/span> –<\/span>1<\/span>;<\/span>
      \n }<\/span><\/p>\n

      printf<\/span>(<\/span>"RTSP Server listening on port %d\\\\n"<\/span>,<\/span> RTSP_PORT)<\/span>;<\/span><\/p>\n

      \/\/ \u4e3b\u5faa\u73af\u63a5\u53d7\u8fde\u63a5，\u76ee\u524d\u5904\u7406\u4e00\u4e2a\u5ba2\u6237\u7aef<\/span>
      \n while<\/span> (<\/span>1<\/span>)<\/span>
      \n {<\/span>
      \n char<\/span> cli_ip[<\/span>40<\/span>]<\/span> =<\/span> {<\/span>0<\/span>}<\/span>;<\/span>
      \n if<\/span> (<\/span>(<\/span>client_fd =<\/span> accept<\/span>(<\/span>server_fd,<\/span> (<\/span>struct<\/span> sockaddr<\/span> *<\/span>)<\/span>&<\/span>address,<\/span> &<\/span>addrlen)<\/span>)<\/span> <<\/span> 0<\/span>)<\/span>
      \n {<\/span>
      \n perror<\/span>(<\/span>"accept"<\/span>)<\/span>;<\/span>
      \n return<\/span> –<\/span>1<\/span>;<\/span>
      \n }<\/span><\/p>\n

      strncpy<\/span>(<\/span>cli_ip,<\/span> inet_ntoa<\/span>(<\/span>address.<\/span>sin_addr)<\/span>,<\/span> sizeof<\/span>(<\/span>cli_ip)<\/span>)<\/span>;<\/span>
      \n printf<\/span>(<\/span>"handle cliend [%s]\\\\n"<\/span>,<\/span> cli_ip)<\/span>;<\/span><\/p>\n

      handle_client<\/span>(<\/span>client_fd,<\/span> rtp_send_fd,<\/span> cli_ip)<\/span>;<\/span>
      \n }<\/span><\/p>\n

      return<\/span> 0<\/span>;<\/span>
      \n}<\/span><\/p>\n

      \n

      \u5c06\u4e0a\u9762\u4ee3\u7801\u4fdd\u5b58\u5728\u540c\u4e00\u4e2a\u76ee\u5f55\u540e，\u5e76\u4e14\u5728\u540c\u76ee\u5f55\u91cc\u653e\u4e00\u4e2a.h264\u6587\u4ef6，\u7136\u540e\u8fd0\u884c gcc *.c -lpthread \u7f16\u8bd1，\u518d\u6267\u884c.\/a.out\u8fd0\u884c\u7a0b\u5e8f，\u4e0b\u9762\u662f\u6211\u8fd0\u884c\u7684\u8fc7\u7a0b： \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"<\/p>\n

      \n

      \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"<\/p>\n

      🎄\u56db\u3001\u603b\u7ed3<\/h2>\n

      \u672c\u6587\u4ecb\u7ecd\u4e86\u5b9e\u73b0\u4ecb\u7ecd\u600e\u4e48\u901a\u8fc7RTSP\u534f\u8bae\u901a\u4fe1，\u5c06H264\u89c6\u9891\u6570\u636e\u5c01\u88c5\u6210RTP\u5305\u5e76\u53d1\u9001\u7684，\u4e5f\u63d0\u4f9b\u4e86\u5b9e\u73b0\u6e90\u7801\u548c\u8fd0\u884c\u7ed3\u679c，\u53ef\u4ee5\u5e2e\u52a9\u8bfb\u8005\u5feb\u901f\u4e86\u89e3\u600e\u6837\u5b9e\u73b0\u4e00\u4e2a\u6700\u7b80\u5355\u7684RTSP\u670d\u52a1\u5668\u3002<\/p>\n

      \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \u5982\u679c\u6587\u7ae0\u6709\u5e2e\u52a9\u7684\u8bdd，\u70b9\u8d5e👍\u3001\u6536\u85cf\u2b50，\u652f\u6301\u4e00\u6ce2，\u8c22\u8c22 😁😁😁<\/p>\n

      \u53c2\u8003： https:\/\/blog.csdn.net\/huabiaochen\/article\/details\/104557971<\/p>\n","protected":false},"excerpt":{"rendered":"

      \u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb1k\u6b21\uff0c\u70b9\u8d5e24\u6b21\uff0c\u6536\u85cf26\u6b21\u3002\u672c\u6587\u4ecb\u7ecd\u4e86\u5b9e\u73b0\u4ecb\u7ecd\u600e\u4e48\u901a\u8fc7RTSP\u534f\u8bae\u901a\u4fe1\uff0c\u5c06H264\u89c6\u9891\u6570\u636e\u5c01\u88c5\u6210RTP\u5305\u5e76\u53d1\u9001\u7684\uff0c\u4e5f\u63d0\u4f9b\u4e86\u5b9e\u73b0\u6e90\u7801\u548c\u8fd0\u884c\u7ed3\u679c\uff0c\u53ef\u4ee5\u5e2e\u52a9\u8bfb\u8005\u5feb\u901f\u4e86\u89e3\u600e\u6837\u5b9e\u73b0\u4e00\u4e2a\u6700\u7b80\u5355\u7684RTSP\u670d\u52a1\u5668\u3002<\/p>\n","protected":false},"author":2,"featured_media":46295,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[43,44,4302],"topic":[],"class_list":["post-46302","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server","tag-43","tag-44","tag-4302"],"yoast_head":"\n\u3010RTSP\u4ece\u96f6\u5b9e\u8df5\u30113\u3001\u5b9e\u73b0\u6700\u7b80\u5355\u7684\u4f20\u8f93H264\u7684RTSP\u670d\u52a1\u5668 - 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