{"id":37046,"date":"2025-05-13T22:01:33","date_gmt":"2025-05-13T14:01:33","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/37046.html"},"modified":"2025-05-13T22:01:33","modified_gmt":"2025-05-13T14:01:33","slug":"live555%e5%bc%80%e5%8f%91%e7%ac%94%e8%ae%b0%ef%bc%88%e4%b8%89%ef%bc%89%ef%bc%9alive555%e5%88%9b%e5%bb%bartsp%e6%9c%8d%e5%8a%a1%e5%99%a8%e6%ba%90%e7%a0%81%e5%89%96%e6%9e%90%ef%bc%8c%e5%88%9b%e5%bb%bah2","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/37046.html","title":{"rendered":"live555\u5f00\u53d1\u7b14\u8bb0\uff08\u4e09\uff09\uff1alive555\u521b\u5efaRTSP\u670d\u52a1\u5668\u6e90\u7801\u5256\u6790\uff0c\u521b\u5efah264\u6587\u4ef6rtsp\u670d\u52a1\u5668\u6e90\u7801\u6df1\u5ea6\u5256\u6790"},"content":{"rendered":"<p>\u82e5\u8be5\u6587\u4e3a\u539f\u521b\u6587\u7ae0&#xff0c;\u8f6c\u8f7d\u8bf7\u6ce8\u660e\u539f\u6587\u51fa\u5904 \u672c\u6587\u7ae0\u535a\u5ba2\u5730\u5740&#xff1a;https:\/\/hpzwl.blog.csdn.net\/article\/details\/147879917<\/p>\n<p>\u957f\u6c99\u7ea2\u80d6\u5b50Qt&#xff08;\u957f\u6c99\u521b\u5fae\u667a\u79d1&#xff09;\u535a\u6587\u5927\u5168&#xff1a;\u5f00\u53d1\u6280\u672f\u96c6\u5408&#xff08;\u5305\u542bQt\u5b9e\u7528\u6280\u672f\u3001\u6811\u8393\u6d3e\u3001\u4e09\u7ef4\u3001OpenCV\u3001OpenGL\u3001ffmpeg\u3001OSG\u3001\u5355\u7247\u673a\u3001\u8f6f\u786c\u7ed3\u5408\u7b49\u7b49&#xff09;\u6301\u7eed\u66f4\u65b0\u4e2d\u2026<\/p>\n<h2>FFmpeg\u3001SDL\u548c\u6d41\u5a92\u4f53\u5f00\u53d1\u4e13\u680f<\/h2>\n<p>\u4e0a\u4e00\u7bc7&#xff1a;\u300alive555\u5f00\u53d1\u7b14\u8bb0&#xff08;\u4e8c&#xff09;&#xff1a;live555\u521b\u5efaRTSP\u670d\u52a1\u5668\u6e90\u7801\u5256\u6790&#xff0c;\u521b\u5efartsp\u670d\u52a1\u5668\u7684\u57fa\u672c\u6d41\u7a0b\u603b\u7ed3\u300b \u4e0b\u4e00\u7bc7&#xff1a;\u656c\u8bf7\u671f\u5f85\u2026<\/p>\n<h2>\u524d\u8a00<\/h2>\n<p>\u2003\u2003\u5bf9\u4e8elive555\u7684rtsp\u670d\u52a1\u5668\u6709\u4e86\u800c\u57fa\u672c\u7684\u4e86\u89e3\u4e4b\u540e&#xff0c;\u8fdb\u4e00\u6b65\u5bf9\u793a\u4f8b\u6e90\u7801\u8fdb\u884c\u5256\u6790&#xff0c;\u719f\u6089\u6574\u4e2ah264\u6587\u4ef6\u6d41\u5a92\u4f53\u7684\u5f00\u53d1\u6b65\u9aa4\u3002<\/p>\n<h2>Demo<\/h2>\n<p>\u2003\u2003<img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250513140130-682350ba86e8d.gif\" alt=\"\u8bf7\u6dfb\u52a0\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>\u2003\u2003<img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250513140130-682350baa0b03.gif\" alt=\"\u8bf7\u6dfb\u52a0\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>\u2003\u2003\u64ad\u653e\u672c\u5730\u6587\u4ef6&#xff0c;\u591a\u8def\u64ad\u653e\u7684\u65f6\u5019&#xff0c;\u603b\u662f\u4ee5\u7b2c\u4e00\u4e2a\u6587\u4ef6\u8fdb\u5ea6\u4e3a\u51c6&#xff0c;\u6240\u4ee5\u5f53\u524d\u8fd9\u4e2aDemo\u662f\u540c\u6b65\u64ad\u653e\u7684\u3002 \u8fd9\u5bf9\u4e8e\u6444\u50cf\u5934\u91c7\u96c6\u89c6\u9891\u5b9e\u65f6\u64ad\u653e\u6765\u8bf4&#xff0c;\u8fd9\u4e2a\u662f\u6ee1\u8db3\u8fd9\u4e2a\u529f\u80fd\u7684\u3002<\/p>\n<h2>\u57fa\u672c\u6982\u5ff5<\/h2>\n<h3>Source\u3001Sink\u3001Filter<\/h3>\n<ul>\n<li>Source&#xff1a;\u4f5c\u4e3a\u6570\u636e\u6d41\u7684\u8d77\u70b9&#xff0c;\u8d1f\u8d23\u751f\u6210\u6216\u83b7\u53d6\u539f\u59cb\u6570\u636e\u3002\u4f8b\u5982&#xff1a;ByteStreamFileSource&#xff1a;\u4ece\u6587\u4ef6\u8bfb\u53d6\u539f\u59cb\u5b57\u8282\u6d416&#xff0c;H264VideoStreamFramer&#xff1a;\u89e3\u6790H.264\u89c6\u9891\u6d41\u5e76\u751f\u6210\u5e27\u6570\u636e<\/li>\n<li>Filter&#xff1a;\u5728\u6570\u636e\u6d41\u4eceSouce\u6d41\u5230Sink\u7684\u8fc7\u7a0b\u4e2d\u80fd\u591f\u8bbe\u7f6eFilter&#xff0c;\u7528\u4e8e\u8fc7\u6ee4\u6216\u505a\u8fdb\u4e00\u6b65\u52a0\u5de5\u3002\u4f8b\u5982&#xff1a;H264or5Fragmenter&#xff1a;\u5c06\u89c6\u9891\u5e27\u5206\u7247\u4ee5\u9002\u5e94RTP\u5305\u5927\u5c0f&#xff1b;\u89e3\u7801\u5668Filter&#xff1a;\u5c06\u7f16\u7801\u6570\u636e\u89e3\u7801\u4e3a\u539f\u59cb\u5e27\u3002<\/li>\n<li>Sink&#xff1a;\u4f5c\u4e3a\u6570\u636e\u6d41\u7684\u7ec8\u70b9&#xff0c;\u8d1f\u8d23\u6d88\u8d39\u6216\u8f6c\u53d1\u6570\u636e\u3002 \u2003\u2003\u6574\u4e2aLiveMedia\u4e2d&#xff0c;\u6570\u636e\u90fd\u662f\u4eceSouce&#xff0c;\u7ecf\u8fc7\u4e00\u4e2a\u6216\u591a\u4e2aFilter\u3002\u7ec8\u4e8e\u6d41\u5411Sink\u3002\u5728server\u4e2d\u6570\u636e\u6d41\u662f\u4ece\u6587\u4ef6\u6216\u8bbe\u5907\u6d41\u5411\u7f51\u7edc&#xff0c;\u800c\u5728client\u6570\u636e\u6d41\u662f\u4ece\u7f51\u7edc\u6d41\u5411\u6587\u4ef6\u6216\u5c4f\u5e55\u3002 \u2003\u2003MediaSouce\u662f\u5168\u90e8Souce\u7684\u57fa\u7c7b&#xff0c;MediaSink\u662f\u5168\u90e8Sink\u7684\u57fa\u7c7b\u3002 \u2003\u2003\u4ece\u7c7b\u6570\u91cf\u548c\u4ee3\u7801\u89c4\u6a21\u80fd\u591f\u770b\u5230\u3002LiveMedia\u7c7b\u662f\u6574\u4e2aLIVE555\u7684\u6838\u5fc3&#xff0c;\u5176\u5185\u90e8\u5305\u62ec\u6570\u5341\u4e2a\u64cd\u4f5c\u8be6\u7ec6\u7f16\u7801\u548c\u5c01\u88c5\u683c\u5f0f\u7684\u7c7b\u3002LiveMedia\u5b9a\u4e49\u7684\u5404\u79cdSouce\u5747\u662f\u4ece\u6587\u4ef6\u8bfb\u53d6&#xff0c;\u5047\u8bbe\u60f3\u5b9e\u73b0\u4ece\u8bbe\u5907\u83b7\u5f97\u5b9e\u65f6\u6d41\u7684\u4f20\u8f93&#xff0c;\u80fd\u591f\u5b9a\u4e49\u81ea\u5df1\u7684Souce\u3002<\/li>\n<\/ul>\n<h3>ClientSession\u3001ClientConnection<\/h3>\n<ul>\n<li>ClientSession&#xff1a;\u5bf9\u4e8e\u6bcf\u4e00\u4e2a\u8fde\u63a5\u5230server\u7684client\u3002server\u4f1a\u4e3a\u5176\u521b\u5efa\u4e00\u4e2aClientSession\u5bf9\u8c61&#xff0c;\u4fdd\u5b58\u8be5client\u7684socket\u3001ip\u5730\u5740\u7b49\u3002\u540c\u4e00\u65f6\u5019\u5728\u8be5client\u4e2d\u5b9a\u4e49\u4e86\u5404\u79cd\u54cd\u5e94\u51fd\u6570\u7528\u4ee5\u5904\u7406\u548c\u56de\u5e94client\u7684\u5404\u79cd\u8bf7\u6c42\u3002<\/li>\n<li>ClientConnection&#xff1a;\u7528\u4e8e\u5904\u7406\u4e00\u4e9b\u4e0e\u6b63\u5e38\u64ad\u653e\u65e0\u5173\u7684\u547d\u4ee4\u3002\u5982\u547d\u4ee4\u672a\u627e\u5230\u3001\u547d\u4ee4\u4e0d\u652f\u6301\u6216\u5a92\u4f53\u6587\u4ef6\u672a\u627e\u5230\u7b49\u3002\u5728ClientConnection\u5904\u7406DESCRIBE\u547d\u4ee4\u65f6\u4f1a\u521b\u5efaClientSession\u5bf9\u8c61\u3002\u5176\u5b83\u547d\u4ee4\u5728ClientSession\u4e2d\u5904\u7406\u3002<\/li>\n<\/ul>\n<h3>MediaSession\u3001MediaSubsession\u3001Track<\/h3>\n<p>\u2003\u2003LIVE555\u4f7f\u7528MediaSession\u7ba1\u7406\u4e00\u4e2a\u5305\u62ec\u97f3\u89c6\u9891\u7684\u5a92\u4f53\u6587\u4ef6\u3002\u6bcf\u4e00\u4e2aMediaSession\u4f7f\u7528\u6587\u4ef6\u540d\u79f0\u552f\u4e00\u6807\u8bc6\u3002\u4f7f\u7528SubSession\u7ba1\u7406MediaSession\u4e2d\u7684\u4e00\u4e2a\u97f3\u9891\u6d41\u6216\u89c6\u9891\u6d41&#xff0c;\u97f3\u9891\u6216\u89c6\u9891\u5747\u4e3a\u4e00\u4e2a\u5a92\u4f53\u6587\u4ef6\u91cc\u7684\u5a92\u4f53\u6d41&#xff0c;\u56e0\u6b64\u4e00\u4e2aMediaSession\u80fd\u591f\u6709\u591a\u4e2aMediaSubsession&#xff0c;\u53ef\u5355\u72ec\u7ba1\u7406\u97f3\u9891\u6d41\u3001\u89c6\u9891\u6d41&#xff0c;\u5e76\u4e3a\u6bcf\u4e00\u4e2a\u5a92\u4f53\u6d41\u5206\u914d\u4e00\u4e2aTrackID&#xff0c;\u5982\u89c6\u9891\u6d41\u5206\u914d\u4e3aTrack1&#xff0c;\u97f3\u9891\u6d41\u5206\u914d\u4e3aTrack2&#xff0c;\u6b64\u540eclient\u5fc5\u987b\u5728URL\u6307\u5b9a\u8981\u4e3a\u90a3\u4e2aTrack\u53d1\u9001SETUP\u547d\u4ee4&#xff0c;\u56e0\u6b64\u6211\u4eec\u80fd\u591f\u89c9\u5f97MediaSubsession\u4ee3\u8868Server\u7aef\u5a92\u4f53\u6587\u4ef6\u7684\u4e00\u4e2aTrack&#xff0c;\u4e5f\u5373\u76f8\u5e94\u4e00\u4e2a\u5a92\u4f53\u6d41\u3002MediaSession\u4ee3\u8868Server\u7aef\u4e00\u4e2a\u5a92\u4f53\u6587\u4ef6\u3002 \u2003\u2003\u5bf9\u4e8e\u65e2\u5305\u62ec\u97f3\u9891\u53c8\u5305\u62ec\u89c6\u9891\u7684\u5a92\u4f53\u6587\u4ef6&#xff0c;MediaSession\u5185\u5305\u62ec\u4e24\u4e2aMediaSubsession\u3002\u4f46MediaSession\u548cMediaSubsession\u4ec5\u4ee3\u8868\u9759\u6001\u4fe1\u606f\u3002\u82e5\u591a\u4e2aclient\u8bf7\u6c42\u540c\u4e00\u4e2a\u6587\u4ef6&#xff0c;server\u4ec5\u4f1a\u521b\u5efa\u4e00\u4e2aMediaSession\u3002\u5404\u4e2aclient\u516c\u7528\u3002\u4e3a\u4e86\u533a\u5206\u5404\u4e2aMediaSession\u7684\u72b6\u6001\u53c8\u5b9a\u4e49\u4e86StreamState\u7c7b&#xff0c;\u7528\u6765\u7ba1\u7406\u6bcf\u4e00\u4e2a\u5a92\u4f53\u6d41\u7684\u72b6\u6001\u3002\u5728MediaSubsession\u4e2d\u5b8c\u6bd5\u4e86Souce\u548cSink\u8fde\u63a5\u3002Souce\u5bf9\u6307\u9488\u8c61\u4f1a\u88ab\u8bbe\u7f6e\u8fdbsink\u3002\u5728Sink\u987b\u8981\u6570\u636e\u65f6&#xff0c;\u80fd\u591f\u901a\u8fc7\u8c03\u7528Souce\u7684GetNextFrame\u6765\u83b7\u5f97\u3002 \u2003\u2003LIVE555\u4e2d\u5927\u91cf\u4f7f\u7528\u7b80\u5355\u5de5\u5382\u6a21\u5f0f&#xff0c;\u6bcf\u4e00\u4e2a\u5b50\u7c7b\u5747\u6709\u4e00\u4e2aCreateNew\u9759\u6001\u6210\u5458\u3002\u8be5\u5b50\u7c7b\u7684\u6784\u9020\u51fd\u6570\u88ab\u8bbe\u7f6e\u4e3aProtected&#xff0c;\u56e0\u6b64\u5728\u5916\u90e8\u4e0d\u80fd\u76f4\u63a5\u901a\u8fc7new\u6765\u6784\u9020\u3002\u540c\u4e00\u65f6\u5019\u3002\u6bcf\u4e00\u4e2a\u7c7b\u7684\u6784\u9020\u51fd\u6570\u7684\u53c3\u6570\u4e2d\u5747\u6709\u4e00\u4e2a\u6307\u5411UsageEnvironment\u7684\u6307\u9488&#xff0c;\u4ece\u800c\u80fd\u591f\u8f93\u51fa\u9519\u8bef\u4fe1\u606f\u548c\u5c06\u81ea\u5df1\u589e\u52a0\u8c03\u5ea6\u3002<\/p>\n<h3>HashTable<\/h3>\n<p>\u2003\u2003IVE555\u5185\u90e8\u5b9e\u73b0\u4e86\u4e00\u4e2a\u7b80\u5355\u54c8\u5e0c\u8868\u7c7bBasicHashTable\u3002\u5728LIVE555\u4e2d\u3002\u6709\u975e\u5e38\u591a\u5730\u65b9\u987b\u8981\u7528\u5230\u8be5\u54c8\u5e0c\u8868\u7c7b\u3002\u5982&#xff1a;\u5a92\u4f53\u6587\u4ef6\u540d\u79f0\u4e0eMediaSession\u7684\u6620\u5c04&#xff0c;SessionID\u4e0eClientSession\u7684\u6620\u5c04&#xff0c;UserName\u548cPassword\u7684\u6620\u5c04\u7b49\u3002<\/p>\n<h3>SDP<\/h3>\n<p>\u2003\u2003SDP\u662fSession Description Protocol\u7684\u7f29\u5199\u3002\u662f\u4e00\u4e2a\u7528\u6765\u63cf\u5199\u53d9\u8ff0\u591a\u5a92\u4f53\u4f1a\u8bdd\u7684\u5e94\u7528\u5c42\u534f\u8bae\u3002\u5b83\u662f\u57fa\u4e8e\u6587\u672c\u7684&#xff0c;\u7528\u4e8e\u4f1a\u8bdd\u5efa\u7acb\u8fc7\u7a0b\u4e2d\u7684\u5a92\u4f53\u7c7b\u578b\u548c\u7f16\u7801\u65b9\u6848\u7684\u534f\u5546\u7b49\u3002<\/p>\n<h2>rtp\u4e0ertcp\u4e0ertsp\u670d\u52a1\u5668<\/h2>\n<h3>RTP&#xff08;\u5b9e\u65f6\u4f20\u8f93\u534f\u8bae&#xff09;<\/h3>\n<p>\u2003\u2003\u8d1f\u8d23\u4f20\u8f93\u5b9e\u65f6\u97f3\u89c6\u9891\u6570\u636e\u6d41&#xff0c;\u57fa\u4e8eUDP\/IP\u534f\u8bae\u5b9e\u73b0\u4f4e\u5ef6\u8fdf\u4f20\u8f93\u3002\u652f\u6301\u65f6\u95f4\u6233\u3001\u5e8f\u5217\u53f7\u7b49\u673a\u5236&#xff0c;\u786e\u4fdd\u6570\u636e\u5305\u7684\u65f6\u5e8f\u6027\u548c\u540c\u6b65\u6027\u3002\u4e0d\u4fdd\u8bc1\u4f20\u8f93\u53ef\u9760\u6027&#xff0c;\u9700\u7ed3\u5408RTCP\u8fdb\u884c\u8d28\u91cf\u76d1\u63a7\u3002<\/p>\n<h3>RTCP&#xff08;\u5b9e\u65f6\u4f20\u8f93\u63a7\u5236\u534f\u8bae&#xff09;<\/h3>\n<p>\u2003\u2003\u4f5c\u4e3aRTP\u7684\u8f85\u52a9\u534f\u8bae&#xff0c;\u7528\u4e8e\u76d1\u63a7\u4f20\u8f93\u8d28\u91cf\u3001\u53cd\u9988\u7edf\u8ba1\u4fe1\u606f&#xff08;\u5982\u4e22\u5305\u7387\u3001\u5ef6\u8fdf\u3001\u6296\u52a8&#xff09;\u3002\u529f\u80fd\u5b9e\u73b0&#xff1a;\u901a\u8fc7\u53d1\u9001SR&#xff08;\u53d1\u9001\u8005\u62a5\u544a&#xff09;\u548cRR&#xff08;\u63a5\u6536\u8005\u62a5\u544a&#xff09;\u53cd\u9988\u7f51\u7edc\u72b6\u6001\u3002\u652f\u6301\u5e26\u5bbd\u52a8\u6001\u8c03\u6574&#xff08;\u5982TMMBR\/TMMBN&#xff09;\u548c\u6d41\u540c\u6b65\u3002<\/p>\n<h3>RTSP&#xff08;\u5b9e\u65f6\u6d41\u534f\u8bae&#xff09;\u670d\u52a1\u5668<\/h3>\n<p>\u2003\u2003\u4f5c\u4e3a\u6d41\u5a92\u4f53\u4f1a\u8bdd\u7684\u63a7\u5236\u4e2d\u5fc3&#xff0c;\u8d1f\u8d23\u5ba2\u6237\u7aef\u4e0e\u670d\u52a1\u5668\u7684\u4ea4\u4e92&#xff08;\u5982\u64ad\u653e\u3001\u6682\u505c\u3001\u505c\u6b62\u7b49\u6307\u4ee4&#xff09;\u3002<\/p>\n<ul>\n<li>\u4f1a\u8bdd\u7ba1\u7406&#xff1a;\u901a\u8fc7SETUP\u3001PLAY\u3001TEARDOWN\u7b49\u547d\u4ee4\u63a7\u5236\u5a92\u4f53\u6d41\u4f20\u8f93\u7684\u751f\u547d\u5468\u671f\u3002<\/li>\n<li>\u534f\u8bae\u534f\u8c03&#xff1a;\u4e0eRTP\/RTCP\u534f\u540c\u5de5\u4f5c&#xff0c;RTSP\u5b9a\u4e49\u63a7\u5236\u903b\u8f91&#xff0c;RTP\u4f20\u8f93\u6570\u636e&#xff0c;RTCP\u76d1\u63a7\u8d28\u91cf\u3002<\/li>\n<li>\u591a\u6d41\u652f\u6301&#xff1a;\u53ef\u540c\u65f6\u7ba1\u7406\u97f3\u89c6\u9891\u7b49\u591a\u8def\u6d41&#xff0c;\u5e76\u901a\u8fc7SDP\u534f\u8bae\u534f\u5546\u7f16\u89e3\u7801\u53c2\u6570\u3002<\/li>\n<\/ul>\n<h2>\u5173\u952e\u7c7b\u4ecb\u7ecd<\/h2>\n<h3>H264VideoRTPSink&#xff1a;H264\u89c6\u9891\u6570\u636e\u6838\u5fc3\u7ec4\u4ef6<\/h3>\n<p>\u2003\u2003H264VideoRTPSink\u662fH.264\u89c6\u9891\u6d41\u901a\u8fc7RTP\/RTSP\u534f\u8bae\u5b9e\u73b0\u5b9e\u65f6\u4f20\u8f93\u7684\u5173\u952e\u6a21\u5757&#xff0c;\u8d1f\u8d23\u534f\u8bae\u5c01\u88c5\u3001\u6570\u636e\u5206\u7247\u548c\u7f51\u7edc\u9002\u914d&#xff0c;\u786e\u4fdd\u89c6\u9891\u6d41\u5728\u5b9e\u65f6\u573a\u666f\u4e0b\u7684\u9ad8\u6548\u6027\u548c\u517c\u5bb9\u6027\u3002 \u2003\u2003<img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250513140130-682350bab73b0.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>\u2003\u2003H264VideoRTPSink\u662fLive555 \u6d41\u5a92\u4f53\u6846\u67b6\u4e2d\u7528\u4e8e\u5c01\u88c5\u548c\u4f20\u8f93H.264\u89c6\u9891\u6570\u636e\u7684\u6838\u5fc3\u7ec4\u4ef6&#xff0c;\u5176\u4f5c\u7528\u4e3b\u8981\u5305\u542b\u4ee5\u4e0b\u65b9\u9762&#xff1a;<\/p>\n<ul>\n<li>RTP\u6570\u636e\u5c01\u88c5&#xff1a;H264VideoRTPSink \u5c06 H.264 \u89c6\u9891\u6570\u636e\u6309 RTP \u534f\u8bae\u89c4\u8303\u5c01\u88c5\u6210\u7f51\u7edc\u4f20\u8f93\u5305\u3002\u5177\u4f53\u5305\u62ec&#xff1a;\u6dfb\u52a0 RTP \u5305\u5934\u4fe1\u606f&#xff08;\u5982\u65f6\u95f4\u6233\u3001\u5e8f\u5217\u53f7\u3001\u8d1f\u8f7d\u7c7b\u578b\u7b49&#xff09;&#xff1b;\u6839\u636e H.264 \u7684 NALU&#xff08;\u7f51\u7edc\u62bd\u8c61\u5c42\u5355\u5143&#xff09;\u7ed3\u6784\u5bf9\u89c6\u9891\u6570\u636e\u8fdb\u884c\u5206\u7247\u6216\u91cd\u7ec4&#xff0c;\u786e\u4fdd\u6570\u636e\u9002\u5e94\u7f51\u7edc\u4f20\u8f93\u7684\u6700\u5927\u4f20\u8f93\u5355\u5143&#xff08;MTU&#xff09;\u9650\u5236\u3002<\/li>\n<li>\u5206\u7247\u5904\u7406&#xff08;Fragmentation&#xff09;&#xff1a;\u5f53\u5355\u4e2a H.264 \u5e27\u8d85\u8fc7 MTU \u9650\u5236\u65f6&#xff0c;H264VideoRTPSink \u4f1a\u5c06\u5176\u62c6\u5206\u4e3a\u591a\u4e2a RTP \u5305&#xff08;\u4f8b\u5982\u4f7f\u7528 FU-A \u5206\u7247\u6a21\u5f0f&#xff09;&#xff0c;\u5e76\u5728\u5305\u5934\u4e2d\u6807\u8bb0\u5206\u7247\u7684\u8d77\u59cb\u3001\u4e2d\u95f4\u548c\u7ed3\u675f\u4f4d\u7f6e\u3002<\/li>\n<li>\u4e0e RTSP \u534f\u8bae\u534f\u540c\u5de5\u4f5c&#xff1a;\u5728RTSP\u4f1a\u8bdd\u4e2d&#xff0c;H264VideoRTPSink\u4f5c\u4e3a\u6570\u636e\u4f20\u8f93\u7684\u7ec8\u70b9&#xff08;Sink&#xff09;&#xff0c;\u4e0eMediaSource&#xff08;\u6570\u636e\u6e90&#xff09;\u914d\u5408&#xff0c;\u5b8c\u6210\u4ece\u6570\u636e\u8bfb\u53d6\u5230RTP\u5c01\u88c5\u7684\u5b8c\u6574\u6d41\u7a0b\u3002\u5728\u5ba2\u6237\u7aef\u53d1\u9001PLAY\u8bf7\u6c42\u540e&#xff0c;\u670d\u52a1\u5668\u901a\u8fc7H264VideoRTPSink\u5c06\u5c01\u88c5\u540e\u7684RTP\u6d41\u63a8\u9001\u81f3\u7f51\u7edc\u3002\u7f13\u51b2\u533a\u7ba1\u7406\u5904\u7406\u5927\u6570\u636e\u91cfH.264\u89c6\u9891\u65f6&#xff0c;H264VideoRTPSink\u9700\u4f9d\u8d56\u52a8\u6001\u8c03\u6574\u7684\u7f13\u51b2\u533a&#xff08;\u5982OutPacketBuffer::maxSize&#xff09;&#xff0c;\u9632\u6b62\u56e0\u6570\u636e\u5305\u8fc7\u5927\u5bfc\u81f4\u7684\u4f20\u8f93\u5931\u8d25\u3002<\/li>\n<\/ul>\n<h3>RTCPInstance&#xff1a;RTCP\u901a\u8baf\u7c7b<\/h3>\n<p>\u2003\u2003\u5728Live555\u6846\u67b6\u4e2d&#xff0c;RTCPInstance\u4e0eRTPSink\u3001RTPInterface\u7b49\u7c7b\u534f\u4f5c&#xff0c;\u5171\u540c\u5b9e\u73b0\u5b8c\u6574\u7684RTP\/RTCP\u6d41\u5a92\u4f53\u4f20\u8f93\u529f\u80fd\u3002\u5176\u8bbe\u8ba1\u72ec\u7acb\u4e8e\u5176\u4ed6\u9ad8\u5c42\u534f\u8bae\u6a21\u5757&#xff0c;\u4ec5\u4f9d\u8d56\u57fa\u7840\u7f51\u7edc\u7ec4\u4ef6&#xff0c;\u5177\u5907\u8f83\u597d\u7684\u5c01\u88c5\u6027\u3002 \u2003\u2003<img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250513140130-682350bac87a0.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>\u2003\u2003RTCPInstance\u662fLive555\u6846\u67b6\u4e2d\u5c01\u88c5RTCP\u534f\u8bae\u901a\u4fe1\u7684\u6838\u5fc3\u7c7b&#xff1a;<\/p>\n<ul>\n<li>RTCP\u534f\u8bae\u901a\u4fe1\u7684\u5c01\u88c5\u4e0e\u5b9e\u73b0&#xff1a;\u8d1f\u8d23RTCP\u6570\u636e\u5305\u7684\u6536\u53d1\u5904\u7406&#xff0c;\u652f\u6301\u901a\u8fc7RTPInterface\u5b9e\u73b0\u57fa\u4e8eUDP\u6216TCP\u7684\u4f20\u8f93\u3002\u63a5\u6536\u5230\u7684RTCP\u62a5\u6587&#xff08;\u5982SR\u3001RR\u3001BYE\u7b49&#xff09;\u5728incomingReportHandler\u7b49\u56de\u8c03\u51fd\u6570\u4e2d\u5904\u7406&#xff0c;\u5b9e\u73b0\u7f51\u7edc\u72b6\u6001\u53cd\u9988\u548c\u4f1a\u8bdd\u63a7\u5236\u3002<\/li>\n<li>\u7f51\u7edc\u72b6\u6001\u76d1\u6d4b\u4e0e\u7edf\u8ba1&#xff1a;\u7edf\u8ba1RTP\u5305\u7684\u6536\u53d1\u60c5\u51b5&#xff0c;\u6536\u96c6\u4e22\u5305\u7387\u3001\u5ef6\u8fdf\u3001\u6296\u52a8\u7b49\u6307\u6807&#xff0c;\u4e3a\u6d41\u91cf\u63a7\u5236\u63d0\u4f9b\u6570\u636e\u652f\u6301\u3002\u4f9d\u8d56RTPSink\u7c7b\u83b7\u53d6\u53d1\u9001\u7aef\u7edf\u8ba1\u4fe1\u606f&#xff0c;\u5b9e\u73b0\u4e0eRTP\u6d41\u7684\u5173\u8054\u3002<\/li>\n<li>\u53cd\u9988\u4e0e\u52a8\u6001\u8c03\u6574\u673a\u5236&#xff1a;\u901a\u8fc7\u53d1\u9001SR&#xff08;\u53d1\u9001\u8005\u62a5\u544a&#xff09;\u548cRR&#xff08;\u63a5\u6536\u8005\u62a5\u544a&#xff09;\u5b9e\u65f6\u53cd\u9988\u7f51\u7edc\u8d28\u91cf&#xff0c;\u89e6\u53d1\u53d1\u9001\u901f\u7387\u8c03\u6574\u6216\u4e22\u5305\u91cd\u4f20\u3002\u652f\u6301\u5e26\u5bbd\u63a7\u5236\u673a\u5236&#xff08;\u5982TMMBR\/TMMBN&#xff09;&#xff0c;\u6839\u636e\u7f51\u7edc\u72b6\u51b5\u52a8\u6001\u8c03\u6574\u5a92\u4f53\u6d41\u4f20\u8f93\u53c2\u6570\u3002<\/li>\n<li>\u4f1a\u8bdd\u7ba1\u7406\u4e0e\u6d41\u540c\u6b65&#xff1a;\u5904\u7406BYE\u62a5\u6587\u5b9e\u73b0\u53c2\u4e0e\u8005\u9000\u51fa\u901a\u77e5&#xff0c;\u7ef4\u62a4\u4f1a\u8bdd\u6210\u5458\u72b6\u6001\u3002\u901a\u8fc7SDES\u62a5\u6587\u4f20\u9012\u53c2\u4e0e\u8005\u63cf\u8ff0\u4fe1\u606f&#xff0c;\u8f85\u52a9\u591a\u6d41\u540c\u6b65&#xff08;\u5982\u97f3\u89c6\u9891\u540c\u6b65&#xff09;\u3002<\/li>\n<\/ul>\n<h3>ByteStreamFileSource&#xff1a;\u57fa\u7840\u6570\u636e\u6e90\u7ec4\u4ef6<\/h3>\n<p>\u2003\u2003ByteStreamFileSource\u662fLive555\u4e2d\u5904\u7406\u6587\u4ef6\u578bH.264\u6d41\u7684\u6838\u5fc3\u5165\u53e3\u7ec4\u4ef6&#xff0c;\u627f\u62c5\u6570\u636e\u8bfb\u53d6\u4e0e\u57fa\u7840\u5206\u5757\u529f\u80fd&#xff0c;\u5e76\u4e3a\u4e0a\u5c42\u89e3\u6790\u3001\u5c01\u88c5\u6a21\u5757\u63d0\u4f9b\u6807\u51c6\u5316\u8f93\u5165\u63a5\u53e3\u3002 \u2003\u2003<img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250513140130-682350bad358b.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>\u2003\u2003ByteStreamFileSource\u5728Live555 \u6d41\u5a92\u4f53\u6846\u67b6\u4e2d\u4f5c\u4e3a\u57fa\u7840\u6570\u636e\u6e90\u7ec4\u4ef6&#xff0c;\u6838\u5fc3\u4f5c\u7528\u5982\u4e0b&#xff1a;<\/p>\n<ul>\n<li>\u539f\u59cb\u5b57\u8282\u6d41\u8bfb\u53d6&#xff1a;\u8d1f\u8d23\u4ece\u672c\u5730\u6587\u4ef6&#xff08;\u5982 H.264 \u88f8\u6d41\u6587\u4ef6&#xff09;\u4e2d\u8bfb\u53d6\u672a\u5c01\u88c5\u7684\u539f\u59cb\u5b57\u8282\u6570\u636e&#xff0c;\u5e76\u4ee5\u5206\u5757&#xff08;Framed&#xff09;\u5f62\u5f0f\u8f93\u51fa&#xff0c;\u4f9b\u540e\u7eed\u89e3\u6790\u6a21\u5757\u5904\u7406\u3002<\/li>\n<li>\u6570\u636e\u94fe\u7684\u8d77\u70b9&#xff1a;\u5728\u5178\u578b\u7684 H.264 \u4f20\u8f93\u94fe\u8def&#xff08;\u5982 H264VideoFileServerMediaSubsession\u4e2d&#xff09;\u4e2d&#xff0c;\u5176\u4f5c\u4e3a\u521d\u59cb\u8282\u70b9\u542f\u52a8\u6570\u636e\u6d41&#xff0c;\u540e\u7eed\u8fde\u63a5\u89e3\u6790\u5668&#xff08;\u5982H264VideoStreamParser&#xff09;\u548c\u5206\u5e27\u5668&#xff08;H264VideoStreamFramer&#xff09;&#xff0c;\u5f62\u6210\u5b8c\u6574\u5904\u7406\u94fe\u8def&#xff1a;ByteStreamFileSource \u2192 H264VideoStreamParser \u2192 H264VideoStreamFramer \u2192 \u2026 \u2192 RTP \u5c01\u88c5\u3002<\/li>\n<li>\u53ef\u6269\u5c55\u6027\u652f\u6301&#xff1a;\u867d\u7136\u9ed8\u8ba4\u5b9e\u73b0\u4e3a\u6587\u4ef6\u8bfb\u53d6&#xff0c;\u4f46\u5176\u7ee7\u627f\u81eaFramedSource\u57fa\u7c7b&#xff0c;\u7528\u6237\u53ef\u901a\u8fc7\u81ea\u5b9a\u4e49\u6d3e\u751f\u7c7b&#xff08;\u5982\u5b9e\u65f6\u91c7\u96c6\u6216\u7f16\u7801\u7684\u6570\u636e\u6e90&#xff09;\u66ff\u4ee3\u8be5\u7ec4\u4ef6&#xff0c;\u5b9e\u73b0\u7075\u6d3b\u7684\u6570\u636e\u8f93\u5165\u9002\u914d\u3002<\/li>\n<li>\u5173\u952e\u53c2\u6570\u914d\u7f6e&#xff1a;\u652f\u6301\u901a\u8fc7fileSize\u5c5e\u6027\u83b7\u53d6\u6587\u4ef6\u5927\u5c0f\u4fe1\u606f&#xff0c;\u4fbf\u4e8e\u9884\u4f30\u4f20\u8f93\u5e26\u5bbd\u9700\u6c42\u3002\u5728\u52a8\u6001\u670d\u52a1\u5668\u573a\u666f\u4e2d&#xff0c;\u9700\u6ce8\u610f\u5176\u4e0e\u7f13\u51b2\u533a\u5927\u5c0f&#xff08;\u5982OutPacketBuffer::maxSize&#xff09;\u7684\u534f\u540c\u914d\u7f6e&#xff0c;\u907f\u514d\u5927\u5e27\u6ea2\u51fa\u95ee\u9898\u3002<\/li>\n<\/ul>\n<h3>FrameSource&#xff1a;\u5e27\u6e90\u62bd\u8c61\u7c7b<\/h3>\n<p>\u2003\u2003FrameSource\u662fLive555\u4e2d\u5b9e\u73b0\u6309\u5e27\u8f93\u5165\u5a92\u4f53\u6570\u636e\u7684\u57fa\u7840\u7ec4\u4ef6&#xff0c;\u4e3aRTSP\/RTP \u4f20\u8f93\u63d0\u4f9b\u6807\u51c6\u5316\u7684\u6570\u636e\u6e90\u63a5\u53e3&#xff0c;\u652f\u6301\u591a\u683c\u5f0f\u5a92\u4f53\u6d41\u7684\u7075\u6d3b\u6269\u5c55\u3002 \u2003\u2003<img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250513140130-682350bae28c1.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>\u2003\u2003FrameSource \u5728 Live555 \u6d41\u5a92\u4f53\u6846\u67b6\u4e2d\u4f5c\u4e3a\u6570\u636e\u6e90\u7684\u6838\u5fc3\u62bd\u8c61\u7c7b&#xff0c;\u5176\u4f5c\u7528\u53ef\u5f52\u7eb3\u5982\u4e0b&#xff1a;<\/p>\n<ul>\n<li>\u57fa\u7840\u6570\u636e\u6e90\u62bd\u8c61&#xff1a;FrameSource \u662f\u8d1f\u8d23\u6309\u5e27&#xff08;Framed&#xff09;\u63d0\u4f9b\u6d41\u5a92\u4f53\u6570\u636e\u7684\u57fa\u7c7b&#xff0c;\u5b9a\u4e49\u4e86\u7edf\u4e00\u7684\u5e27\u6570\u636e\u8bfb\u53d6\u63a5\u53e3\u3002\u5176\u5b50\u7c7b\u9700\u5b9e\u73b0 doGetNextFrame \u65b9\u6cd5&#xff0c;\u7528\u4e8e\u9010\u5e27\u83b7\u53d6\u539f\u59cb\u5a92\u4f53\u6570\u636e&#xff08;\u5982\u89c6\u9891\u5e27\u6216\u97f3\u9891\u5757&#xff09;\u3002<\/li>\n<li>RTP\u6570\u636e\u6d41\u8d77\u70b9&#xff1a;\u5728RTSP\/RTP\u4f20\u8f93\u94fe\u8def\u4e2d&#xff0c;FrameSource \u4f5c\u4e3a\u6570\u636e\u751f\u4ea7\u8005&#xff0c;\u5c06\u5a92\u4f53\u6570\u636e\u4ee5\u5e27\u4e3a\u5355\u4f4d\u4f20\u9012\u7ed9\u4e0b\u6e38\u5904\u7406\u6a21\u5757&#xff08;\u5982\u89e3\u6790\u5668\u3001\u5c01\u88c5\u5668&#xff09;\u3002\u4f8b\u5982&#xff0c;H264VideoStreamFramer \u7ee7\u627f\u81ea FrameSource&#xff0c;\u8d1f\u8d23\u5c06\u88f8 H.264 \u7801\u6d41\u5206\u5e27\u540e\u8f93\u51fa\u3002<\/li>\n<li>\u63a5\u53e3\u6807\u51c6\u5316&#xff1a;FrameSource \u901a\u8fc7\u7eaf\u865a\u51fd\u6570\u5f3a\u5236\u5b50\u7c7b\u5b9e\u73b0\u5173\u952e\u64cd\u4f5c&#xff0c;\u5305\u62ec&#xff1a;\u5e27\u6570\u636e\u5f02\u6b65\u83b7\u53d6\u673a\u5236&#xff08;\u901a\u8fc7 afterGetting \u56de\u8c03\u89e6\u53d1\u6570\u636e\u4f20\u8f93&#xff09;&#xff1b;\u5e27\u6570\u636e\u7684\u5206\u5757\u4e0e\u7f13\u51b2\u533a\u7ba1\u7406\u3002<\/li>\n<li>\u4e0e\u4e0b\u6e38\u7ec4\u4ef6\u534f\u540c&#xff1a;FrameSource\u4e0eMediaSink\u7c7b&#xff08;\u5982H264VideoRTPSink&#xff09;\u5f62\u6210\u6570\u636e\u94fe\u8def&#xff1a;MediaSink\u901a\u8fc7fSource\u6210\u5458\u7ed1\u5b9aFrameSource&#xff0c;\u9a71\u52a8\u6570\u636e\u62c9\u53d6\u4e0e\u5c01\u88c5\u6d41\u7a0b&#xff1b;\u5728RTSP\u4f1a\u8bdd\u4e2d&#xff0c;FrameSource\u7684\u6570\u636e\u6700\u7ec8\u88ab\u5c01\u88c5\u4e3aRTP\u5305\u5e76\u53d1\u9001\u81f3\u5ba2\u6237\u7aef\u3002<\/li>\n<\/ul>\n<h3>H264VideoStreamFramer&#xff1a;H264\u89c6\u9891\u6d41\u5e27\u5668<\/h3>\n<p>\u2003\u2003H264VideoStreamFramer\u5728RTSP\u6d41\u5a92\u4f53\u670d\u52a1\u4e2d\u901a\u5e38\u7531H264VideoFileServerMediaSubsession\u521b\u5efa&#xff0c;\u662fH.264\u5b9e\u65f6\u6d41\u4f20\u8f93\u7684\u5173\u952e\u89e3\u6790\u5c42&#xff0c;\u627f\u62c5\u4e86\u4ece\u539f\u59cb\u5b57\u8282\u6d41\u5230\u7ed3\u6784\u5316\u89c6\u9891\u6570\u636e\u7684\u8f6c\u6362\u4efb\u52a1\u3002 \u2003\u2003<img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250513140130-682350baf198c.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>\u2003\u2003H264VideoStreamFramer\u5728Live555\u6846\u67b6\u4e2d\u4f5c\u4e3a\u89c6\u9891\u6d41\u89e3\u6790\u7684\u6838\u5fc3\u7ec4\u4ef6&#xff0c;\u4e3b\u8981\u627f\u62c5H.264\u57fa\u672c\u6d41&#xff08;ES&#xff09;\u7684\u89e3\u6790\u4e0e\u91cd\u6784&#xff0c;\u5176\u6838\u5fc3\u529f\u80fd\u5982\u4e0b&#xff1a;<\/p>\n<ul>\n<li>H.264\u539f\u59cb\u6d41\u89e3\u6790\u200c&#xff1a;\u4eceByteStreamFileSource\u7b49\u6570\u636e\u6e90\u8bfb\u53d6\u539f\u59cb\u5b57\u8282\u6d41&#xff0c;\u901a\u8fc7\u5185\u7f6e\u7684H264VideoStreamParser\u89e3\u6790\u5668\u8bc6\u522bNALU&#xff08;\u7f51\u7edc\u62bd\u8c61\u5c42\u5355\u5143&#xff09;\u8fb9\u754c&#xff0c;\u5c06\u8fde\u7eed\u5b57\u8282\u6d41\u5206\u5272\u4e3a\u72ec\u7acbNALU\u5355\u5143\u200c25\u5904\u7406H.264 Annex B\u683c\u5f0f\u7684\u8d77\u59cb\u7801&#xff08;\u59820x00000001&#xff09;&#xff0c;\u5b9e\u73b0NALU\u7684\u7cbe\u51c6\u5b9a\u4f4d\u200c56<\/li>\n<li>\u200c\u53c2\u6570\u96c6\u5904\u7406\u200c&#xff1a;\u63d0\u53d6\u5e76\u7f13\u5b58SPS&#xff08;\u5e8f\u5217\u53c2\u6570\u96c6&#xff09;\u548cPPS&#xff08;\u56fe\u50cf\u53c2\u6570\u96c6&#xff09;&#xff0c;\u7528\u4e8e\u540e\u7eed\u89e3\u7801\u5668\u521d\u59cb\u5316\u200c&#xff0c;\u5728\u6d41\u542f\u52a8\u65f6\u4f18\u5148\u53d1\u9001SPS\/PPS&#xff0c;\u786e\u4fdd\u89e3\u7801\u7aef\u6b63\u786e\u521d\u59cb\u5316\u200c\u3002<\/li>\n<li>\u5206\u5e27\u903b\u8f91\u63a7\u5236\u200c&#xff1a;\u533a\u5206VCL&#xff08;\u89c6\u9891\u7f16\u7801\u5c42&#xff09;\u548c\u975eVCL NALU&#xff0c;\u6839\u636e\u5e27\u7c7b\u578b&#xff08;\u5982IDR\u5e27\u3001\u975eIDR\u5e27&#xff09;\u7ec4\u7ec7\u6570\u636e\u8f93\u51fa\u200c56&#xff1b;\u5904\u7406\u5206\u7247\u5355\u5143&#xff08;Slice&#xff09;\u7684\u5173\u8054\u6027&#xff0c;\u786e\u4fdd\u5e27\u5b8c\u6574\u6027\u200c<\/li>\n<li>\u65f6\u95f4\u6233\u751f\u6210\u673a\u5236&#xff1a;\u57fa\u4e8e\u89c6\u9891\u5e27\u7387\u6216\u5916\u90e8\u8f93\u5165\u65f6\u949f\u8ba1\u7b97RTP\u65f6\u95f4\u6233&#xff0c;\u5b9e\u73b0\u4e0e\u97f3\u89c6\u9891\u540c\u6b65&#xff1b;\u5904\u7406B\u5e27\/P\u5e27\u7684\u663e\u793a\u65f6\u95f4\u6233&#xff08;PTS&#xff09;\u4e0e\u89e3\u7801\u65f6\u95f4\u6233&#xff08;DTS&#xff09;\u5173\u7cfb\u3002<\/li>\n<li>\u200c\u4e0e\u4e0a\u4e0b\u6e38\u7ec4\u4ef6\u534f\u4f5c\u200c&#xff1a;\u4f5c\u4e3aFramedSource\u7684\u5b50\u7c7b&#xff0c;\u5411\u4e0a\u8fde\u63a5ByteStreamFileSource\u83b7\u53d6\u539f\u59cb\u6570\u636e&#xff0c;\u5411\u4e0b\u5bf9\u63a5H264FUAFragmenter\u5b8c\u6210RTP\u5206\u7247\u200c&#xff1b;\u901a\u8fc7\u4e8b\u4ef6\u9a71\u52a8\u6a21\u578b\u89e6\u53d1\u6570\u636e\u8bfb\u53d6&#xff0c;\u5f62\u6210Source \u2192 Parser \u2192 Framer \u2192 Fragmenter \u2192 RTPSink\u7684\u5b8c\u6574\u5904\u7406\u94fe\u8def\u200c\u3002 \u2003\u2003H264VideoStreamFramer\u628a\u81ea\u5df1\u7684\u7f13\u51b2&#xff08;\u5176\u5b9e\u662fsink\u7684&#xff09;\u4f20\u7ed9H264VideoStreamParser&#xff0c;\u6bcf\u5f53H264VideoStreamFramer\u8981\u83b7\u53d6\u4e00\u4e2aNALU\u65f6&#xff0c;\u5c31\u8ddfH264VideoStreamParser\u8981&#xff0c;\u800cH264VideoStreamParser\u5c31\u4eceByteStreamFileSource\u8bfb\u4e00\u5768\u6570\u636e&#xff0c;\u7136\u540e\u8fdb\u884c\u5206\u6790&#xff0c;\u5982\u679c\u53d6\u5f97\u4e86\u4e00\u4e2aNALU&#xff0c;\u5c31\u4f20\u7ed9H264VideoStreamFramer\u3002<\/li>\n<\/ul>\n<h2>Live555\u6d41\u5a92\u4f53\u670d\u52a1\u5b9e\u73b0\u57fa\u672c\u6d41\u7a0b<\/h2>\n<h3>\u6b65\u9aa4\u4e00&#xff1a;\u521b\u5efa\u4efb\u52a1\u8c03\u5ea6\u7ba1\u7406\u5668<\/h3>\n<p>\u2003\u2003<img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250513140131-682350bb0e97c.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h3>\u6b65\u9aa4\u4e8c&#xff1a;\u521b\u5efartp\u548crtcp<\/h3>\n<p>\u2003\u2003\u5728\u4e0d\u540c\u5e73\u53f0\u4f7f\u7528\u7684socketaddr_storage\u7c7b\u578b\u6709\u533a\u522b&#xff0c;\u6709\u4e9b\u4e8bsocketaddr_in&#xff0c;\u4e3b\u8981\u662fgroupsock\u7684\u5934\u6587\u4ef6\u6784\u9020\u51fd\u6570\u7c7b\u578b\u7684\u533a\u522b&#xff0c;\u5224\u65ad\u662flive555\u5404\u79cd\u7248\u672c\u6709\u533a\u522b\u3002 \u2003\u2003<img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250513140131-682350bb1f5f7.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h3>\u6b65\u9aa4\u4e09&#xff1a;\u521b\u5efaH264VideoRTPSink<\/h3>\n<p>\u2003\u2003<img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250513140131-682350bb385c2.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h3>\u6b65\u9aa4\u56db&#xff1a;\u521b\u5efaRTCPInstance<\/h3>\n<p>\u2003\u2003<img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250513140131-682350bb48a68.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h3>\u6b65\u9aa4\u4e94&#xff1a;RTSP\u670d\u52a1\u5668<\/h3>\n<p>\u2003\u2003<img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250513140131-682350bb67524.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h3>\u6b65\u9aa4\u516d&#xff1a;\u521b\u5efaServerMediaSession\u5b9e\u4f8b<\/h3>\n<p>\u2003\u2003<img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250513140131-682350bb7b9f3.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h3>\u6b65\u9aa4\u4e03&#xff1a;\u521b\u5efasubsession\u5b9e\u4f8b<\/h3>\n<p>\u2003\u2003<img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250513140131-682350bb8d6fa.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h3>\u6b65\u9aa4\u516b&#xff1a;\u5f00\u59cb\u64ad\u653e<\/h3>\n<p>\u2003\u2003<img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250513140131-682350bb9c128.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h3>\u6b65\u9aa4\u4e5d&#xff1a;\u670d\u52a1\u5668\u8fd0\u884c<\/h3>\n<p>\u2003\u2003<img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250513140131-682350bbb04c7.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h2>Demo\u533a\u522b<\/h2>\n<p>\u2003\u2003<img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250513140131-682350bbbf179.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>\u2003\u2003\u6ca1\u6709\u542f\u52a8\u670d\u52a1\u5668http\u7aef\u53e3\u76d1\u542c&#xff0c;\u800c\u662f\u76f4\u63a5play\u3002<\/p>\n<h2>\u6574\u7406\u540e\u7684\u4e2d\u6587\u6ce8\u91ca\u4ee3\u7801<\/h2>\n<p><span class=\"token comment\">\/*<br \/>\n \u4e3a\u4e86\u4f7f\u6b64\u5e94\u7528\u7a0b\u5e8f\u6b63\u5e38\u5de5\u4f5c&#xff0c;H.264 Elementary Stream\u89c6\u9891\u6587\u4ef6*\u5fc5\u987b*\u5305\u542bSPS\u548cPPS NAL\u5355\u5143&#xff0c;<br \/>\n \u6700\u597d\u5728\u6587\u4ef6\u5f00\u5934\u6216\u9644\u8fd1\u3002\u8fd9\u4e9bSPS\u548cPPS NAL\u5355\u5143\u7528\u4e8e\u6307\u5b9a\u5728\u8f93\u51fa\u6d41\u7684SDP\u63cf\u8ff0\u4e2d\u8bbe\u7f6e\u7684\u201c\u914d\u7f6e\u201d\u4fe1\u606f<br \/>\n &#xff08;\u7531\u6b64\u5e94\u7528\u7a0b\u5e8f\u5185\u7f6e\u7684RTSP\u670d\u52a1\u5668\u8bbe\u7f6e&#xff09;\u3002\u53e6\u8bf7\u6ce8\u610f&#xff0c;\u4e0e\u5176\u4ed6\u4e00\u4e9b\u201c*Streamer\u201d\u6f14\u793a\u5e94\u7528\u7a0b\u5e8f\u4e0d\u540c&#xff0c;<br \/>\n  \u751f\u6210\u7684\u6d41\u53ea\u80fd\u4f7f\u7528RTSP\u5ba2\u6237\u7aef&#xff08;\u5982\u201copenRTSP\u201d&#xff09;\u63a5\u6536<br \/>\n*\/<\/span><\/p>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;liveMedia.hh&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;BasicUsageEnvironment.hh&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;GroupsockHelper.hh&gt;<\/span><\/span><\/p>\n<p>UsageEnvironment<span class=\"token operator\">*<\/span> env<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token comment\">\/\/char const* inputFileName &#061; &#034;test.264&#034;;<\/span><br \/>\n<span class=\"token keyword\">char<\/span> <span class=\"token keyword\">const<\/span><span class=\"token operator\">*<\/span> inputFileName <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;T:\/test\/front\/20250311_123244_0.h264&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\nH264VideoStreamFramer<span class=\"token operator\">*<\/span> videoSource<span class=\"token punctuation\">;<\/span><br \/>\nRTPSink<span class=\"token operator\">*<\/span> videoSink<span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token function\">announceURL<\/span><span class=\"token punctuation\">(<\/span>RTSPServer<span class=\"token operator\">*<\/span> rtspServer<span class=\"token punctuation\">,<\/span> ServerMediaSession<span class=\"token operator\">*<\/span> sms<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>rtspServer <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token constant\">NULL<\/span> <span class=\"token operator\">||<\/span> sms <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token constant\">NULL<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    UsageEnvironment<span class=\"token operator\">&amp;<\/span> env <span class=\"token operator\">&#061;<\/span> rtspServer<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">envir<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    env <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;Play this stream using the URL &#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">weHaveAnIPv4Address<\/span><span class=\"token punctuation\">(<\/span>env<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">char<\/span><span class=\"token operator\">*<\/span> url <span class=\"token operator\">&#061;<\/span> rtspServer<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">ipv4rtspURL<\/span><span class=\"token punctuation\">(<\/span>sms<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        env <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;\\\\&#034;&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> url <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;\\\\&#034;&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        delete<span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span> url<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token function\">weHaveAnIPv6Address<\/span><span class=\"token punctuation\">(<\/span>env<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            env <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034; or &#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">weHaveAnIPv6Address<\/span><span class=\"token punctuation\">(<\/span>env<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">char<\/span><span class=\"token operator\">*<\/span> url <span class=\"token operator\">&#061;<\/span> rtspServer<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">ipv6rtspURL<\/span><span class=\"token punctuation\">(<\/span>sms<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        env <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;\\\\&#034;&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> url <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;\\\\&#034;&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        delete<span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span> url<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    env <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;\\\\n&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token function\">play<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ forward<\/span><\/p>\n<p><span class=\"token keyword\">int<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> argc<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">char<\/span><span class=\"token operator\">*<\/span><span class=\"token operator\">*<\/span> argv<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u6b65\u9aa4\u4e00&#xff1a;\u521b\u5efa\u4efb\u52a1\u8c03\u5ea6\u5668\u548c\u8fd0\u884c\u4fe1\u606f\u73af\u5883<\/span><br \/>\n    TaskScheduler<span class=\"token operator\">*<\/span> scheduler <span class=\"token operator\">&#061;<\/span> BasicTaskScheduler<span class=\"token operator\">::<\/span><span class=\"token function\">createNew<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    env <span class=\"token operator\">&#061;<\/span> BasicUsageEnvironment<span class=\"token operator\">::<\/span><span class=\"token function\">createNew<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">*<\/span>scheduler<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u6b65\u9aa4\u4e8c&#xff1a;\u521b\u5efagroupsocks\u7528\u4e8eRTP\u548cRTCP<\/span><br \/>\n    <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">sockaddr_storage<\/span> destinationAddress<span class=\"token punctuation\">;<\/span><br \/>\n    destinationAddress<span class=\"token punctuation\">.<\/span>ss_family <span class=\"token operator\">&#061;<\/span> AF_INET<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">sockaddr_in<\/span><span class=\"token operator\">&amp;<\/span><span class=\"token punctuation\">)<\/span>destinationAddress<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span>sin_addr<span class=\"token punctuation\">.<\/span>s_addr <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">chooseRandomIPv4SSMAddress<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">*<\/span>env<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u8fd9\u662f\u4e00\u4e2a\u591a\u64ad\u5730\u5740\u3002\u5982\u679c\u5e0c\u671b\u4f7f\u7528\u5355\u64ad\u8fdb\u884c\u6d41\u5f0f\u4f20\u8f93&#xff0c;\u90a3\u4e48\u5e94\u8be5\u4f7f\u7528\u201ctestOnDemand RTSPServer\u201d\u6d4b\u8bd5\u7a0b\u5e8f&#xff08;\u800c\u4e0d\u662f\u6b64\u6d4b\u8bd5\u7a0b\u5e8f&#xff09;\u4f5c\u4e3a\u6a21\u578b\u3002<\/span><br \/>\n    <span class=\"token keyword\">const<\/span> <span class=\"token keyword\">unsigned<\/span> <span class=\"token keyword\">short<\/span> rtpPortNum <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">18888<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">const<\/span> <span class=\"token keyword\">unsigned<\/span> <span class=\"token keyword\">short<\/span> rtcpPortNum <span class=\"token operator\">&#061;<\/span> rtpPortNum<span class=\"token operator\">&#043;<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">const<\/span> <span class=\"token keyword\">unsigned<\/span> <span class=\"token keyword\">char<\/span> ttl <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">255<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">const<\/span> Port <span class=\"token function\">rtpPort<\/span><span class=\"token punctuation\">(<\/span>rtpPortNum<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">const<\/span> Port <span class=\"token function\">rtcpPort<\/span><span class=\"token punctuation\">(<\/span>rtcpPortNum<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    Groupsock <span class=\"token function\">rtpGroupsock<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">*<\/span>env<span class=\"token punctuation\">,<\/span> destinationAddress<span class=\"token punctuation\">,<\/span> rtpPort<span class=\"token punctuation\">,<\/span> ttl<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    rtpGroupsock<span class=\"token punctuation\">.<\/span><span class=\"token function\">multicastSendOnly<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    Groupsock <span class=\"token function\">rtcpGroupsock<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">*<\/span>env<span class=\"token punctuation\">,<\/span> destinationAddress<span class=\"token punctuation\">,<\/span> rtcpPort<span class=\"token punctuation\">,<\/span> ttl<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    rtcpGroupsock<span class=\"token punctuation\">.<\/span><span class=\"token function\">multicastSendOnly<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u6b65\u9aa4\u4e09&#xff1a;\u4eceRTP\u201cgroupsock\u201d\u521b\u5efa\u201cH264\u89c6\u9891RTP\u201d\u63a5\u6536\u5668<\/span><br \/>\n    OutPacketBuffer<span class=\"token operator\">::<\/span>maxSize <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">100000<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    videoSink <span class=\"token operator\">&#061;<\/span> H264VideoRTPSink<span class=\"token operator\">::<\/span><span class=\"token function\">createNew<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">*<\/span>env<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>rtpGroupsock<span class=\"token punctuation\">,<\/span> <span class=\"token number\">96<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u6b65\u9aa4\u56db&#xff1a;\u4e3a\u6b64RTP\u63a5\u6536\u5668\u521b\u5efa&#xff08;\u5e76\u542f\u52a8&#xff09;\u4e00\u4e2a\u201cRTCP\u5b9e\u4f8b\u201d kbps\u4e3a\u5355\u4f4d&#xff1b;RTCP b\/w\u4efd\u989d<\/span><br \/>\n    <span class=\"token keyword\">const<\/span> <span class=\"token keyword\">unsigned<\/span> estimatedSessionBandwidth <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">500<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">const<\/span> <span class=\"token keyword\">unsigned<\/span> maxCNAMElen <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">100<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">unsigned<\/span> <span class=\"token keyword\">char<\/span> CNAME<span class=\"token punctuation\">[<\/span>maxCNAMElen<span class=\"token operator\">&#043;<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">gethostname<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">char<\/span><span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span>CNAME<span class=\"token punctuation\">,<\/span> maxCNAMElen<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    CNAME<span class=\"token punctuation\">[<\/span>maxCNAMElen<span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#039;\\\\0&#039;<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ just in case<\/span><br \/>\n    RTCPInstance<span class=\"token operator\">*<\/span> rtcp <span class=\"token operator\">&#061;<\/span> RTCPInstance<span class=\"token operator\">::<\/span><span class=\"token function\">createNew<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">*<\/span>env<span class=\"token punctuation\">,<\/span><br \/>\n                                                 <span class=\"token operator\">&amp;<\/span>rtcpGroupsock<span class=\"token punctuation\">,<\/span><br \/>\n                                                 estimatedSessionBandwidth<span class=\"token punctuation\">,<\/span><br \/>\n                                                 CNAME<span class=\"token punctuation\">,<\/span><br \/>\n                                                 videoSink<span class=\"token punctuation\">,<\/span><br \/>\n                                                 <span class=\"token constant\">NULL<\/span><span class=\"token punctuation\">,<\/span>    <span class=\"token comment\">\/\/ \u4ee3\u8868\u670d\u52a1\u5668<\/span><br \/>\n                                                 True<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>   <span class=\"token comment\">\/\/ \u4ee3\u8868SSM\u6e90<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u6b65\u9aa4\u4e94&#xff1a;\u8fd9\u5c06\u81ea\u52a8\u542f\u52a8RTCP\u8fd0\u884c<\/span><br \/>\n    RTSPServer<span class=\"token operator\">*<\/span> rtspServer <span class=\"token operator\">&#061;<\/span> RTSPServer<span class=\"token operator\">::<\/span><span class=\"token function\">createNew<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">*<\/span>env<span class=\"token punctuation\">,<\/span> <span class=\"token number\">8554<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>rtspServer <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token constant\">NULL<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token operator\">*<\/span>env <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;Failed to create RTSP server: &#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> env<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">getResultMsg<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;\\\\n&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">exit<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u6b65\u9aa4\u516d&#xff1a;\u521b\u5efaServerMediaSession<\/span><br \/>\n    ServerMediaSession<span class=\"token operator\">*<\/span> sms <span class=\"token operator\">&#061;<\/span> ServerMediaSession<span class=\"token operator\">::<\/span><span class=\"token function\">createNew<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">*<\/span>env<span class=\"token punctuation\">,<\/span><br \/>\n                                                            <span class=\"token string\">&#034;testStream&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                                                            inputFileName<span class=\"token punctuation\">,<\/span><br \/>\n                                                            <span class=\"token string\">&#034;Session streamed by \\\\&#034;testH264VideoStreamer\\\\&#034;&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                                                            True<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u6b65\u9aa4\u4e03&#xff1a;\u521b\u5efasubsession<\/span><br \/>\n    sms<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">addSubsession<\/span><span class=\"token punctuation\">(<\/span>PassiveServerMediaSubsession<span class=\"token operator\">::<\/span><span class=\"token function\">createNew<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">*<\/span>videoSink<span class=\"token punctuation\">,<\/span> rtcp<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    rtspServer<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">addServerMediaSession<\/span><span class=\"token punctuation\">(<\/span>sms<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">announceURL<\/span><span class=\"token punctuation\">(<\/span>rtspServer<span class=\"token punctuation\">,<\/span> sms<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u5f00\u59cb\u6d41\u64ad\u653e:<\/span><br \/>\n    <span class=\"token operator\">*<\/span>env <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;Beginning 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class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token operator\">*<\/span>env <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;&#8230;done reading from file\\\\n&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u505c\u6b62\u64ad\u653e<\/span><br \/>\n    videoSink<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">stopPlaying<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u8bf7\u6ce8\u610f&#xff0c;\u8fd9\u4e5f\u4f1a\u5173\u95ed\u6b64\u6e90\u8bfb\u53d6\u7684\u8f93\u5165\u6587\u4ef6\u3002\u8fd9\u662f\u9759\u6001\u65b9\u6cd5&#xff0c;\u53ef\u4ee5\u76f4\u63a5\u5173\u95ed<\/span><br \/>\n    Medium<span class=\"token operator\">::<\/span><span class=\"token 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operator\">&#061;<\/span> ByteStreamFileSource<span class=\"token operator\">::<\/span><span class=\"token function\">createNew<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">*<\/span>env<span class=\"token punctuation\">,<\/span> inputFileName<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>fileSource <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token constant\">NULL<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token operator\">*<\/span>env <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;Unable to open file \\\\&#034;&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> inputFileName<br \/>\n             <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;\\\\&#034; as a byte-stream file source\\\\n&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">exit<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    FramedSource<span class=\"token operator\">*<\/span> videoES <span class=\"token operator\">&#061;<\/span> fileSource<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u4e3a\u89c6\u9891\u57fa\u672c\u6d41\u521b\u5efa\u5e27\u5668<\/span><br \/>\n    videoSource <span class=\"token operator\">&#061;<\/span> H264VideoStreamFramer<span class=\"token operator\">::<\/span><span class=\"token function\">createNew<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">*<\/span>env<span class=\"token punctuation\">,<\/span> videoES<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u6700\u540e&#xff0c;\u5f00\u59cb\u64ad\u653e<\/span><br \/>\n    <span class=\"token operator\">*<\/span>env <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;Beginning to read from file&#8230;\\\\n&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    videoSink<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">startPlaying<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">*<\/span>videoSource<span class=\"token punctuation\">,<\/span> afterPlaying<span class=\"token punctuation\">,<\/span> videoSink<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h2>\u5de5\u7a0b\u6a21\u677fv1.2.0<\/h2>\n<p>\u2003\u2003<img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250513140131-682350bbf1ae5.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>\u4e0a\u4e00\u7bc7&#xff1a;\u300alive555\u5f00\u53d1\u7b14\u8bb0&#xff08;\u4e8c&#xff09;&#xff1a;live555\u521b\u5efaRTSP\u670d\u52a1\u5668\u6e90\u7801\u5256\u6790&#xff0c;\u521b\u5efartsp\u670d\u52a1\u5668\u7684\u57fa\u672c\u6d41\u7a0b\u603b\u7ed3\u300b 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