{"id":10021133,"date":"2025-12-19T17:51:11","date_gmt":"2025-12-19T09:51:11","guid":{"rendered":"https:\/\/itmax.cn\/?p=10021133"},"modified":"2025-12-19T17:51:11","modified_gmt":"2025-12-19T09:51:11","slug":"%e6%91%84%e5%83%8f%e5%a4%b4-rtsp-%e6%b5%81%e8%a7%86%e9%a2%91%e5%a4%9a%e8%b7%af%e5%ae%9e%e6%97%b6%e7%9b%91%e6%8e%a7%e8%a7%a3%e5%86%b3%e6%96%b9%e6%a1%88%e5%ae%9e%e8%b7%b5","status":"publish","type":"post","link":"https:\/\/itmax.cn\/?p=10021133","title":{"rendered":"\u6444\u50cf\u5934 RTSP \u6d41\u89c6\u9891\u591a\u8def\u5b9e\u65f6\u76d1\u63a7\u89e3\u51b3\u65b9\u6848\u5b9e\u8df5"},"content":{"rendered":"<p>\u672c\u6587\u8bb0\u5f55\u6211\u5728\u6444\u50cf\u5934 RTSP \u6d41\u89c6\u9891\u591a\u8def\u5b9e\u65f6\u76d1\u63a7\u9879\u76ee\u91cc\uff0c\u843d\u5730\u7684\u4e00\u5957\u300c\u591a\u8def RTSP \u4f4e\u5ef6\u8fdf\u64ad\u653e\u300d\u65b9\u6848\u7684\u5168\u8fc7\u7a0b\uff1a\u4ece\u9009\u578b\u3001\u7f16\u7801\u3001\u5230Web\/\u684c\u9762\u7aef\u64ad\u653e\u4e0e\u786c\u89e3\u4f18\u5316\u3002<\/p>\n<h2>\u4e00\u3001\u9700\u6c42\u73b0\u72b6<\/h2>\n<p>\u73b0\u573a\u6709\u4e00\u4e2a\u8fdc\u7a0b\u76d1\u63a7\u7aef\uff0c\u9700\u8981\u540c\u65f6\u76d1\u63a7\u591a\u53f0\u8f66\u8f7d\u8bbe\u5907\u7684\u6444\u50cf\u5934\u753b\u9762\uff0c\u6bcf\u53f0\u8bbe\u5907\u7ea6 6 \u8def\u6444\u50cf\u5934\uff0c\u6444\u50cf\u5934\u8f93\u51fa RTSP\uff08\u89c6\u9891 H.264\uff1b\u90e8\u5206\u6444\u50cf\u5934\u578b\u53f7\u8fd8\u6709\u97f3\u9891\uff09\uff0c\u7531\u4e8e\u662f\u8f66\u8f7d\u5b9e\u65f6\u6444\u50cf\u5934\uff0c\u5173\u952e\u7684\u4e0d\u662f\u80fd\u64ad\uff0c\u800c\u662f\u591a\u8def\u3001\u4f4e\u5ef6\u8fdf\uff08\u7531\u4e8e\u5728\u73b0\u573a\u64cd\u4f5c\u9700\u8981\u5b9e\u65f6\u53cd\u9988\uff0c\u6240\u4ee5\u9700\u8981 1 \u79d2\u4ee5\u5185\uff09\u3001\u4f4e CPU \u5360\u7528\uff0c\u56e0\u6b64\u6838\u5fc3\u9700\u6c42\u53ef\u4ee5\u603b\u7ed3\u6210\u56db\u70b9\uff1a<\/p>\n<ol>\n<li>\u591a\u8def\u5e76\u53d1\uff1a\u540c\u5c4f 6+ \u8def\u64ad\u653e\uff0c\u6700\u591a\u4e00\u4e2a\u76d1\u63a7\u7aef\u540c\u65f6\u64ad\u653e 12 \u8def\u89c6\u9891;<\/li>\n<li>\u4f4e\u5ef6\u8fdf\uff1a\u64cd\u4f5c\u94fe\u8def\u5e0c\u671b\u63a5\u8fd1\u5b9e\u65f6\uff08\u76ee\u6807 &lt; 500ms \u7ea7\uff09;<\/li>\n<li>\u684c\u9762\u7aef\uff1a\u9700\u8981\u6709\u7f16\u7801\u63a7\u5236\u80fd\u529b\uff0c\u6700\u597d Qt \u684c\u9762\u7a0b\u5e8f;<\/li>\n<li>\u6027\u80fd\u4e0e\u7a33\u5b9a\u6027\uff1a\u5ba2\u6237\u7aef\u9700\u8981\u7a33\u5b9a\u8d70 GPU \u786c\u89e3\uff0c\u5426\u5219\u591a\u8def\u5168\u8d70 CPU \u8f6f\u89e3\u89e3\u7801\u4f1a\u88ab\u62d6\u6b7b\uff1b<\/li>\n<li>\u90e8\u7f72\/\u8fd0\u7ef4\u590d\u6742\u5ea6\uff1a\u6bd4\u5982\u8981\u66f4\u6362\u89c6\u9891\u6d41\u63a5\u5165\u7684\u65f6\u5019\u8981\u8db3\u591f\u65b9\u4fbf\uff0c\u6700\u597d\u80fd\u914d\u7f6e\u540e\u4e00\u952e\u90e8\u7f72\uff1b<\/li>\n<\/ol>\n<h2>\u4e8c\u3001\u6280\u672f\u9009\u578b<\/h2>\n<p>\u7ecf\u8fc7\u4e00\u756a\u8c03\u7814\uff0c\u4e3b\u8981\u6709\u4e0b\u9762\u51e0\u4e2a\u65b9\u6848\uff1a<\/p>\n<h3>HLS<\/h3>\n<p>HLS \u7684\u6838\u5fc3\u601d\u8def\u662f\u628a\u8fde\u7eed\u89c6\u9891\u5207\u6210\u4e00\u6bb5\u6bb5 TS \u5206\u7247\uff08segment\uff09\uff0c\u670d\u52a1\u5668\u521b\u5efa\u5e76\u52a8\u6001\u66f4\u65b0\u4e00\u4e2a .m3u8 \u64ad\u653e\u5217\u8868\u6587\u4ef6\uff0c\u8fd9\u4e2a\u6587\u4ef6\u91cc\u8bb0\u5f55\u4e86\u6240\u6709 .ts \u89c6\u9891\u5207\u7247\u7684\u6587\u4ef6\u540d\u3001\u987a\u5e8f\u3001\u65f6\u957f\u7b49\u4fe1\u606f\uff0c\u5ba2\u6237\u7aef\u6309 m3u8 \u7d22\u5f15\u5217\u8868\u53bb\u62c9\u5206\u7247\u64ad\u653e\u3002\u5b83\u7684\u4f18\u70b9\u662f\u517c\u5bb9\u6027\u5f88\u597d\uff0c\u6240\u6709\u73b0\u4ee3\u6d4f\u89c8\u5668\u548c\u64cd\u4f5c\u7cfb\u7edf\u90fd\u539f\u751f\u652f\u6301\uff0c\u9002\u5408\u666e\u901a\u76f4\u64ad\u3001\u70b9\u64ad\u548c CDN \u5206\u53d1\u3002<\/p>\n<p>\u5728\u4e00\u4e2a TS \u5206\u7247\u6ca1\u6709\u64ad\u5b8c\u5e76\u540c\u6b65\u5230 m3u8 \u4e4b\u524d\uff0c\u5ba2\u6237\u7aef\u662f\u65e0\u6cd5\u770b\u5230\u6700\u65b0\u753b\u9762\u7684\u3002\u8fd9\u5929\u751f\u51b3\u5b9a\u4e86 HLS \u7684\u5b9e\u65f6\u6027\u4e0d\u9ad8\uff0c\u4e00\u822c\u5728 3 \u79d2\u4ee5\u4e0a\uff0c\u52a0\u4e0a\u5404\u4e2a\u94fe\u8def\u7684\u5ef6\u8fdf\u548c\u7f13\u51b2\uff0c\u603b\u5ef6\u8fdf\u8f7b\u677e\u5230\u8fbe 10 \u79d2\u5de6\u53f3\uff0c\u8fd9\u5bf9\u4e8e\u5b9e\u65f6\u76d1\u63a7\u662f\u5b8c\u5168\u4e0d\u53ef\u63a5\u53d7\u7684\u3002<\/p>\n<h3>HTTP-FLV<\/h3>\n<p>HTTP-FLV \u901a\u5e38\u662f\u670d\u52a1\u5668\u5c06\u97f3\u89c6\u9891\u6570\u636e\u7528 FLV\uff08Flash Video\uff09\u683c\u5f0f\u8fdb\u884c\u5c01\u88c5\uff0c\u901a\u8fc7\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u7aef\u5efa\u7acb\u7684 HTTP \u957f\u8fde\u63a5\u6d41\u5f0f\u4f20\u8f93\u5230\u64ad\u653e\u5668\u4e0a\uff0c\u5ef6\u8fdf\u5728 1-3s\uff0c\u53ef\u4ee5\u6ee1\u8db3\u4e00\u5b9a\u7684\u5b9e\u65f6\u6027\u9700\u6c42\u3002\u7f3a\u70b9\u662f\u9700\u8981\u524d\u7aef\u5f15\u5165 flv.js \u4e4b\u7c7b\u7684 JS \u5e93\u5728 JS \u5c42\u5bf9 FLV \u6d41\u89e3\u5c01\u88c5\u6210 H.264\u3001\u97f3\u9891\u7b49\u6570\u636e\uff0c\u5c24\u5176\u5728\u591a\u8def\u5e76\u53d1\u65f6\uff0cCPU \u5360\u7528\u4f1a\u6bd4\u8f83\u9ad8\uff0c\u4e14\u6d4f\u89c8\u5668\u5bf9 FLV \u7684\u652f\u6301\u4e0d\u5982 HLS\/WebRTC \u539f\u751f\u3002<\/p>\n<h3>\u6d77\u5eb7 WebSDK \u7684 WebSocket<\/h3>\n<p>\u6d77\u5eb7\u7684 WebSDK \u63d0\u4f9b\u4e86\u57fa\u4e8e WebSocket \u7684\u89c6\u9891\u6d41\u4f20\u8f93\u80fd\u529b\uff0c\u5ef6\u8fdf\u53ef\u4ee5\u505a\u5230 1 \u79d2\u4ee5\u5185\uff0c\u9002\u5408\u6d77\u5eb7\u8bbe\u5907\u7684\u63a5\u5165\uff0c\u4f46\u6211\u770b\u6709\u4e9b\u8001\u4e00\u4e9b\u7684\u6d77\u5eb7\u8bbe\u5907\u53ef\u80fd\u4e0d\u652f\u6301 WebSocket\uff0c\u800c\u4e14 WebSDK \u8981\u6c42 Chrome \u7248\u672c\u4e0d\u4f4e\u4e8e 91\uff0c\u5982\u679c\u4f60\u7684\u6444\u50cf\u5934\u90fd\u652f\u6301 WebSocket \u4e14\u80fd\u4fdd\u8bc1\u6d4f\u89c8\u5668\u7684 chromium \u5185\u6838\u7248\u672c\u5728 91+\uff0c\u90a3\u4e48\u8fd9\u4e2a\u65b9\u5f0f\u4e5f\u662f\u53ef\u884c\u7684\u3002<\/p>\n<h3>WebRTC<\/h3>\n<p>WebRTC\uff08Web Real-Time Communication\uff09\u662f\u76ee\u524d\u5b9e\u65f6\u97f3\u89c6\u9891\u901a\u4fe1\u7684\u4e3b\u6d41\u6280\u672f\uff0c\u73b0\u4ee3\u6d4f\u89c8\u5668\uff08Chrome, Firefox, Safari \u7b49\uff09\u90fd\u539f\u751f\u652f\u6301 WebRTC \u534f\u8bae\u6808\uff0c\u65e0\u9700\u5b89\u88c5\u63d2\u4ef6\uff0c\u5b9e\u65f6\u6027\u901a\u5e38\u80fd\u505a\u5230 500ms \u5de6\u53f3\uff0c\u975e\u5e38\u9002\u5408\u5bf9\u5b9e\u65f6\u6027\u8981\u6c42\u9ad8\u7684\u76d1\u63a7\u573a\u666f\u3002WebRTC \u7684\u8bbe\u8ba1\u76ee\u6807\u5c31\u662f\u5b9e\u65f6\u901a\u8bdd\u4e0e\u4e92\u52a8\uff0c\u6d4f\u89c8\u5668\u5bf9\u5176\u5b9e\u73b0\u975e\u5e38\u6210\u719f\u3002\u5bf9\u4e8e H.264 \u7b49\u5e38\u89c1\u7f16\u7801\u683c\u5f0f\uff0c\u6d4f\u89c8\u5668\u80fd\u76f4\u63a5\u8c03\u7528 GPU \u8fdb\u884c\u786c\u4ef6\u52a0\u901f\u89e3\u7801\uff0c\u663e\u8457\u964d\u4f4e CPU \u5360\u7528\u3002<\/p>\n<h2>\u4e09\u3001\u6838\u5fc3\u5b9e\u8df5\uff1a\u901a\u8fc7 SRS \u5c06 RTSP + H.264 \u89c6\u9891\u6d41\u8f6c\u5c01\u88c5\u4e3a WebRTC + H.264<\/h2>\n<p>\u6211\u6700\u7ec8\u4f7f\u7528 SRS\uff08Simple Realtime Server\uff09\u5f00\u6e90\u6d41\u5a92\u4f53\u670d\u52a1\u5668\uff0c\u4e00\u76f4\u5728\u7a33\u5b9a\u7ef4\u62a4\uff0c\u4e5f\u6709\u4e0d\u5c11\u7528\u5230\u751f\u4ea7\u7ea7\u73af\u5883\u7684\u6848\u4f8b\uff0c\u6587\u6863\u6709\u4e2d\u6587\uff0c\u90e8\u7f72\u4e5f\u6bd4\u8f83\u7b80\u5355\uff0c\u76f4\u63a5 docker \u62c9\u4e00\u4e2a\u955c\u50cf\u7136\u540e\u4e00\u884c\u547d\u4ee4\u5c31\u80fd\u542f\u52a8\uff0c\u53e6\u5916\u5b83\u81ea\u5e26\u89c6\u9891\u6d41\u5f55\u5236\u529f\u80fd\uff0c\u540e\u671f\u505a\u5f55\u5236\u4e5f\u65b9\u4fbf\u3002<\/p>\n<p>\u5728\u8fdc\u7a0b\u76d1\u63a7\u670d\u52a1\u5668\u4e0a\u7528 Docker \u90e8\u7f72 SRS\uff0c\u628a\u6444\u50cf\u5934 RTSP \u62c9\u5230\u672c\u673a\u540e\uff0c\u518d\u4ee5 WebRTC \u7684\u65b9\u5f0f\u63d0\u4f9b\u7ed9\u524d\u7aef\u64ad\u653e\u3002<\/p>\n<p>\u8fd9\u91cc\u8981\u5f3a\u8c03\u4e00\u4e2a\u5173\u952e\u70b9\uff1a\u5c3d\u91cf\u505a\u8f6c\u5c01\u88c5\uff08Remux\uff09\uff0c\u907f\u514d\u8f6c\u7801\uff08Transcode\uff09\uff0c\u6444\u50cf\u5934\u5df2\u7ecf\u8f93\u51fa RTSP \u5305\u7740\u7684 H.264 \u670d\u52a1\u5668\u53ea\u9700\u8981\u8f6c\u534f\u8bae\u6210 WebRTC \u5305\u7740 H.264 \u5373\u53ef\uff0c\u4e0d\u9700\u8981\u91cd\u65b0\u7f16\u7801\uff0c\u8f6c\u7801\u4f1a\u5e26\u6765\u5f88\u5927\u7684 CPU \u8d1f\u62c5\u548c\u5ef6\u8fdf\u3002<\/p>\n<p>\u6574\u4f53\u601d\u8def\uff1a\u6444\u50cf\u5934\u63a8\u6d41 RTSP(H.264) \uff0c\u7ecf\u8fc7 SRS ingest \u62c9\u6d41\u5e76\u901a\u8fc7 rtmp_to_rtc \u8f6c\u5c01\u88c5\u4e3a WebRTC(H.264) \uff0c\u524d\u7aef\u6d4f\u89c8\u5668\u7528 <code>&lt;video&gt;<\/code> \u64ad\u653e\u3002<\/p>\n<h3>3.1 SRS \u6838\u5fc3\u914d\u7f6e\u89e3\u6790<\/h3>\n<p>SRS \u7684\u914d\u7f6e\u6587\u4ef6 <code>srs.conf<\/code> \u662f\u6838\u5fc3\u3002\u4e0b\u9762\u7528\u4e00\u4e2a\u6700\u5c0f\u914d\u7f6e\u7247\u6bb5\uff1a<\/p>\n<pre><code class=\"nginx\">listen 1935;\nmax_connections 1000;\ndaemon off;\nsrs_log_tank file;\nsrs_log_file \/usr\/local\/srs\/objs\/logs\/srs.log;\n\nrtc_server {\n    enabled on;           # \u542f\u7528 RTC \u670d\u52a1\u5668\n    listen 8000;          # WebRTC UDP \u7aef\u53e3\n    candidate $CANDIDATE; # \u81ea\u52a8\u83b7\u53d6\u670d\u52a1\u5668 IP\n}\n\nhttp_server {\n    enabled on;            # \u542f\u7528 HTTP \u670d\u52a1\u5668\n    listen 8080;\n    dir .\/objs\/nginx\/html; # \u9ed8\u8ba4\u6253\u5f00\u662f\u63a7\u5236\u53f0\uff0c\u4e5f\u53ef\u4ee5\u6539\u4e3a\u81ea\u5df1\u7684\u524d\u7aef\u9875\u9762\n    crossdomain on;\n}\n\nvhost __defaultVhost__ {\n    rtc {\n        enabled on;     # \u542f\u7528 RTC \u529f\u80fd\n        rtmp_to_rtc on; # \u5f00\u542f RTMP \u5230 RTC \u7684\u8f6c\u6362\n        nack on;        # \u5f00\u542f\u4e22\u5305\u91cd\u4f20\n        twcc on;        # \u5f00\u542f\u62e5\u585e\u63a7\u5236\n    }\n\n    ingest camera_RIG001_0 {      # \u5b9a\u4e49 Ingest \u62c9\u6d41\u914d\u7f6e\uff0c\u4e3b\u52a8\u62c9\u53d6\u6444\u50cf\u5934 RTSP \u6d41\n        enabled on;\n        input {\n            type stream;\n            url rtsp:\/\/admin:password@192.168.1.60:554\/Streaming\/Channels\/101;  # \u4f60\u6444\u50cf\u5934\u7684rtsp\u5730\u5740\n        }\n        ffmpeg .\/objs\/ffmpeg\/bin\/ffmpeg; # \u4f7f\u7528 SRS \u5185\u7f6e\u7684 FFmpeg\n        engine {\n            enabled on;\n            perfile {\n                rtsp_transport tcp;\n                fflags nobuffer;\n                flags low_delay;\n                probesize 32;\n                analyzeduration 0;\n                max_delay 0;\n            }\n            vcodec copy; # \u89c6\u9891\u6d41\u76f4\u63a5\u590d\u5236\uff0c\u4e0d\u8f6c\u7801\n            acodec copy; # \u97f3\u9891\u6d41\u76f4\u63a5\u590d\u5236\uff0c\u6211\u5c06\u6444\u50cf\u5934\u7684\u97f3\u9891\u8f93\u51fa\u683c\u5f0f\u914d\u4e3a AAC\n            output rtmp:\/\/127.0.0.1:[port]\/live\/camera_RIG001_0?vhost=[vhost];\n        }\n    }\n}<\/code><\/pre>\n<h3>3.2 Docker \u4e00\u952e\u914d\u7f6e<\/h3>\n<p>\u7531\u4e8e\u73b0\u573a\u8bbe\u5907\u7684 IP \u548c\u6444\u50cf\u5934\u6570\u91cf\u53ef\u80fd\u4f1a\u53d8\u5316\uff0c\u624b\u52a8\u4fee\u6539 <code>srs.conf<\/code> \u6bd4\u8f83\u7e41\u7410\u4e14\u5bb9\u6613\u51fa\u9519\u3002\u6211\u505a\u4e86\u4e00\u5957\u81ea\u52a8\u5316\u914d\u7f6e\u6d41\u7a0b\uff1a<\/p>\n<ol>\n<li>\u914d\u7f6e\u6587\u4ef6\uff1a\u63d0\u4f9b\u4e00\u4e2a JSON \u6587\u4ef6\uff0c\u7ef4\u62a4\u7528\u6237\u6444\u50cf\u5934\u7684 IP\/Port \u5217\u8868\u3002<\/li>\n<li>\u751f\u6210\u811a\u672c\uff1a\u8bfb\u53d6\u6444\u50cf\u5934\u5217\u8868\uff0c\u751f\u6210 <code>srs.conf<\/code>\uff0c\u5e76\u5728\u4e0a\u4e00\u90e8\u914d\u7f6e\u53d8\u66f4\u65f6\u66f4\u65b0\u6587\u4ef6\u3002<\/li>\n<li>\u81ea\u52a8\u91cd\u542f\uff1a\u68c0\u6d4b\u5230\u914d\u7f6e\u53d8\u66f4\u540e\uff0c\u6267\u884c <code>docker restart srs<\/code> \u8ba9\u914d\u7f6e\u751f\u6548\u3002<\/li>\n<\/ol>\n<p>Docker \u547d\u4ee4\uff1a<\/p>\n<pre><code class=\"bash\"># \u62c9\u53d6 SRS \u955c\u50cf\u5e76\u6253\u6807\u7b7e\ndocker pull registry.cn-hangzhou.aliyuncs.com\/ossrs\/srs:5\ndocker tag registry.cn-hangzhou.aliyuncs.com\/ossrs\/srs:5 ossrs\/srs:5\n\n# \u8fd0\u884c SRS \u5bb9\u5668\ndocker run -d --name srs \/\n   --restart=always \/\n    -p 1935:1935 \/\n    -p 1985:1985 \/\n    -p 8080:8080 \/\n    -p 8000:8000\/udp \/\n    -e CANDIDATE=&quot;127.0.0.1&quot; \/\n    -v ~\/hello\/config\/srs_latest.conf:\/usr\/local\/srs\/conf\/srs.conf \/\n   ossrs\/srs:5 \/\n   .\/objs\/srs -c conf\/srs.conf<\/code><\/pre>\n<p>\u5176\u4e2d\uff1a<\/p>\n<ul>\n<li><code>1935\/tcp<\/code>\uff1aRTMP\uff08SRS \u5185\u90e8\u56de\u73af\u63a8\u6d41\u4e5f\u4f1a\u7528\u5230\uff09<\/li>\n<li><code>1985\/tcp<\/code>\uff1aHTTP API<\/li>\n<li><code>8080\/tcp<\/code>\uff1aHTTP Server\uff08SRS \u81ea\u5e26\u7684\u63a7\u5236\u53f0\u9875\u9762\uff09<\/li>\n<li><code>8000\/udp<\/code>\uff1aWebRTC\uff08RTC Server\uff09<\/li>\n<\/ul>\n<p>\u6211\u5b9e\u9645\u5de5\u7a0b\u91cc\u4f1a\u628a \u6539\u6444\u50cf\u5934\u914d\u7f6e -&gt; \u751f\u6210 srs.conf -&gt; \u91cd\u542f\u5bb9\u5668 \u8fd9\u5957\u52a8\u4f5c\u505a\u6210\u4e00\u952e\u811a\u672c\uff0c\u907f\u514d\u624b\u5de5\u6539\u914d\u7f6e\u5e26\u6765\u7684\u7ef4\u62a4\u6210\u672c\uff0c\u89c4\u8303\u4e00\u70b9\u53ef\u4ee5\u5f04\u4e2a\u7f51\u9875\u8ba9\u7528\u6237\u7ef4\u62a4\u6444\u50cf\u5934\u914d\u7f6e\u3002<\/p>\n<h2>\u56db\u3001\u524d\u7aef\u843d\u5730<\/h2>\n<h3>1. Web \u7aef\u64ad\u653e<\/h3>\n<p>\u7531\u4e8e\u6d4f\u89c8\u5668\u5bf9 WebRTC \u539f\u751f\u652f\u6301\u6bd4\u8f83\u597d\uff0c\u6807\u51c6 HTML5 <code>&lt;video&gt;<\/code> \u53ef\u4ee5\u76f4\u63a5\u63a5\u4f4f WebRTC \u6d41\u64ad\u653e\uff0c\u6211\u5728\u524d\u7aef\u9875\u9762\u91cc\u76f4\u63a5\u7528 <code>&lt;video&gt;<\/code> \u6807\u7b7e\u64ad\u653e SRS \u8f93\u51fa\u7684 WebRTC \u6d41\uff0c\u8ba9\u6d4f\u89c8\u5668\u539f\u751f\u89e3\u7801\u5668\uff08\u901a\u5e38\u80fd\u81ea\u52a8\u8d70 H.264 \u786c\u89e3\uff09\u89e3\u7801\uff0c\u524d\u7aef\u4e0d\u9700\u8981\u5f15\u5165\u5176\u4ed6\u7b2c\u4e09\u65b9\u5e93\uff0cCPU \u5360\u7528\u4e5f\u66f4\u53ef\u63a7\u3002<\/p>\n<p>\u524d\u7aef\u7684\u9759\u6001\u8d44\u6e90\u670d\u52a1\u5668\u53ef\u4ee5\u662f Nginx\uff0c\u4e5f\u53ef\u4ee5\u662f\u5176\u5b83\u8f7b\u91cf\u65b9\u6848\uff0c\u6bd4\u5982 SRS \u81ea\u5e26\u7684 HTTP Server \u5c31\u53ef\u4ee5\u76f4\u63a5\u7528\u6765\u6258\u7ba1\u524d\u7aef\u9875\u9762\uff0c\u6216\u8005 nodejs\u3001python \u90fd\u884c\u3002<\/p>\n<h3>2. \u684c\u9762\u5316\uff08Qt \/ QWebEngine\uff09<\/h3>\n<p>\u4e3a\u4e86\u96c6\u6210\u5230\u73b0\u6709\u7684 Qt@6.8.3 \u684c\u9762\u5e94\u7528\u4e2d\uff0c\u6211\u7528 <code>QWebEngineView<\/code> \u76f4\u63a5\u5d4c\u5165\u524d\u7aef\u9875\u9762\uff0c\u8fd9\u6837 UI \u4e0e Web \u7aef\u53ef\u4ee5\u6700\u5927\u5316\u590d\u7528\u3002<\/p>\n<p>\u8fd9\u91cc\u6709\u4e00\u4e2a\u5fc5\u8e29\u7684\u5751\uff1a<\/p>\n<p>QT \u5b98\u65b9\u5305\u91cc\u5e26\u7684 QWebEngine \u56e0\u4e3a\u4e13\u5229\u539f\u56e0\u662f\u4e0d\u5305\u542b H.264 \u7f16\u89e3\u7801\u80fd\u529b\u7684\uff0c\u9700\u8981\u4e0b\u8f7d\u6e90\u7801\u81ea\u884c\u7f16\u8bd1\u5e76<a href=\"https:\/\/link.segmentfault.com\/?enc=pr7j8G41uCZyssiJfV7BMA%3D%3D.vxi5DTu8xLzcjUpgiZvTEn%2FkXEvCgha2exHz9%2FMgGc6lhQUsJ0m8MQep%2FygDRqMx2wEaEgaqsw0UIfTiL1vx%2BA%3D%3D\" rel=\"nofollow noopener noreferrer\" target=\"_blank\">\u589e\u52a0 <code>-webengine-proprietary-codecs<\/code> \u7f16\u8bd1\u6307\u4ee4\u542f\u7528\u4e13\u6709\u7f16\u89e3\u7801\u5668\u652f\u6301<\/a> \uff0c\u624d\u80fd\u8ba9 QWebEngineView \u7684 Chromium \u5185\u6838\u652f\u6301 H.264 \u7f16\u7801\u3002<\/p>\n<p>\u53e6\u5916\u6ce8\u610f\u8ba9\u5185\u7f6e\u6d4f\u89c8\u5668\u7684\u89c6\u9891\u89e3\u7801\u5c3d\u53ef\u80fd\u8d70 VA-API \u7b49\u786c\u89e3\u8def\u5f84\uff0c\u53ef\u4ee5\u5728 QWebEngineView \u91cc\u6253\u5f00 <code>chrome:\/\/gpu<\/code> \u770b\u4e00\u4e0b\u6700\u4e0b\u9762\u7684 <code>Video Acceleration Information<\/code> \u6709\u6ca1\u6709 H.264 \u786c\u89e3\u652f\u6301\u3002\u6211\u589e\u52a0\u7684 QT \u73af\u5883\u53d8\u91cf\u5982\u4e0b\uff1a<\/p>\n<pre><code class=\"cpp\">\/\/ \u5f00\u542f H.264 \u548c WebRTC \u652f\u6301\nqputenv(&quot;QTWEBENGINE_CHROMIUM_FLAGS&quot;, &quot;--enable-features=VaapiVideoDecoder,VaapiVideoEncoder,VaapiIgnoreDriverChecks,VaapiVideoDecodeLinuxGL --ignore-gpu-blocklist --enable-gpu-rasterization --in-process-gpu --disable-features=UseChromeOSDirectVideoDecoder --limit-fps=20 --num-raster-threads=4 &quot;);<\/code><\/pre>\n<h4>\u4f18\u5316\u9879\uff1aSmartH264<\/h4>\n<p>\u6ce8\u610f\u5728\u6444\u50cf\u5934\u7684\u914d\u7f6e\u4e2d\uff0c\u5c06\u6444\u50cf\u5934\u7684 H.264 \u7f16\u7801\u53c2\u6570\u8c03\u4f18\u4e3a SmartH264\uff0c\u53ef\u4ee5\u8ba9\u6444\u50cf\u5934\u5728\u753b\u9762\u9759\u6b62\u65f6\u964d\u4f4e\u7801\u7387\uff08\u5728\u753b\u9762\u4e0d\u600e\u4e48\u52a8\u7684\u60c5\u51b5\u4e0b\u53ef\u4ee5\u6700\u5927\u964d\u4f4e 90% \u7801\u6d41\uff09\uff0c\u51cf\u5c11\u7f51\u7edc\u5e26\u5bbd\u5360\u7528\uff0c\u540c\u65f6\u5728\u753b\u9762\u6709\u53d8\u5316\u65f6\u63d0\u5347\u7801\u7387\u548c\u5e27\u7387\uff0c\u4fdd\u8bc1\u753b\u9762\u8d28\u91cf\u3002\u8fd9\u6837\u5728\u591a\u8def\u5e76\u53d1\u65f6\uff0c\u53ef\u4ee5\u663e\u8457\u964d\u4f4e\u6574\u4f53\u7684\u7f51\u7edc\u548c\u89e3\u7801\u538b\u529b\u3002<\/p>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000047487527\" alt=\"\" title=\"\"><\/p>\n<h4>\u4f18\u5316\u9879\uff1a\u786c\u89e3\u9a8c\u8bc1\u4e0e\u9a71\u52a8\u9009\u62e9<\/h4>\n<p>\u5728\u4f7f\u7528 intel \u96c6\u663e\u7684 i7-7700 \u6d4b\u8bd5\u65f6\uff0c\u901a\u8fc7\u6307\u5b9a\u96c6\u663e\u4f7f\u7528\u7279\u5b9a\u7684 VA-API \u786c\u4ef6\u52a0\u901f\u9a71\u52a8 <code>export LIBVA_DRIVER_NAME=iHD<\/code>\uff0c\u5f3a\u5236\u5f00\u542f VA-API \u786c\u89e3\uff1a<\/p>\n<pre><code class=\"bash\"># \u901a\u8fc7\u4e0b\u9762\u8fd9\u4e2a\u547d\u4ee4\u67e5\u770b\u5f53\u524d GPU \u4f7f\u7528\u60c5\u51b5\nsudo intel_gpu_top<\/code><\/pre>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000047487528\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p>\u5982\u679c intel_gpu_top \u547d\u4ee4 Engine \u7684 Video \u4e0d\u4e3a 0\uff0c\u5219\u8bf4\u660e\u786c\u89e3\u6210\u529f\uff0c\u4e8b\u5b9e\u8bc1\u660e\u5982\u679c\u53ef\u4ee5\u6210\u529f\u5f00\u542f GPU \u786c\u89e3\uff0c\u90a3\u4e48\u5373\u4f7f\u4f7f\u7528\u96c6\u663e\uff0cCPU \u8d1f\u8f7d\u4e5f\u80fd\u4fdd\u6301\u8f83\u4f4e\u6c34\u5e73\u3002\u5982\u679c\u4f7f\u7528 AMD\/NVIDIA \u663e\u5361\uff0c\u9700\u8981\u53c2\u8003\u5bf9\u5e94\u7684 VA-API \u9a71\u52a8\u6587\u6863\uff0c\u786e\u4fdd\u786c\u89e3\u88ab\u6b63\u786e\u542f\u7528\u3002<\/p>\n<h2>\u4e94\u3001\u603b\u7ed3<\/h2>\n<p>\u901a\u8fc7 SRS \u5c06 RTSP + H.264 \u89c6\u9891\u6d41\u8f6c\u5c01\u88c5\u4e3a WebRTC + H.264\uff0c\u5e76\u5728\u524d\u7aef\u6d4f\u89c8\u5668\u548c Qt \u684c\u9762\u5e94\u7528\u4e2d\u64ad\u653e\uff0c\u6210\u529f\u5b9e\u73b0\u4e86\u591a\u8def\u4f4e\u5ef6\u8fdf\u7684\u5b9e\u65f6\u89c6\u9891\u76d1\u63a7\u9700\u6c42\u3002\u6211\u8fd9\u8fb9\u5728\u5b9e\u9645\u6d4b\u8bd5\u4e2d\uff0ci7-7700 \u7684 CPU \u4e0a\u4f7f\u7528\u96c6\u663e GPU \u64ad\u653e 6 \u8def 1080p H.264 \u6d41\uff0cCPU \u603b\u5360\u7528\u4fdd\u6301\u5728 20% \u5de6\u53f3\uff0c\u5ef6\u8fdf\u63a7\u5236\u5728 300-500ms \u4e4b\u95f4\u3002<\/p>\n<hr>\n<p>\u7f51\u4e0a\u7684\u5e16\u5b50\u5927\u591a\u6df1\u6d45\u4e0d\u4e00\uff0c\u751a\u81f3\u6709\u4e9b\u524d\u540e\u77db\u76fe\uff0c\u5728\u4e0b\u7684\u6587\u7ae0\u90fd\u662f\u5b66\u4e60\u8fc7\u7a0b\u4e2d\u7684\u603b\u7ed3\uff0c\u5982\u679c\u53d1\u73b0\u9519\u8bef\uff0c\u6b22\u8fce\u7559\u8a00\u6307\u51fa\uff0c\u5982\u679c\u672c\u6587\u5e2e\u52a9\u5230\u4e86\u4f60\uff0c\u522b\u5fd8\u4e86\u70b9\u8d5e\u652f\u6301\u4e00\u4e0b\uff0c\u4f60\u7684\u70b9\u8d5e\u662f\u6211\u66f4\u65b0\u7684\u6700\u5927\u52a8\u529b\uff01~<\/p>\n<blockquote>\n<ol>\n<li><a href=\"https:\/\/link.segmentfault.com\/?enc=0YDdmX1J0YKDOt5E2vQqpg%3D%3D.r5VQC20RJrkFqTpnBnwBkvbfZlGFmEUpGjPN2Z%2BxLA8E4RR6IvlFkHo2Ip2ZLIpQS7DXB9%2B3RS%2BoLOJg%2BhC8zQ%3D%3D\" rel=\"nofollow noopener noreferrer\" target=\"_blank\">SRS Getting Started<\/a><\/li>\n<li><a href=\"https:\/\/link.segmentfault.com\/?enc=h9WVFmB%2FBD5mmpSq8%2FvqDQ%3D%3D.F%2FzAdks2xi50oVCmgsXA3ES%2FJ3XzCIhTMCEmAzp4VDUK32v1ko3giF7C0Nbwf4T%2BCDY1GuNyKjp%2B7IICoB8cFw%3D%3D\" rel=\"nofollow noopener noreferrer\" target=\"_blank\">Qt WebEngine H.264 Feature<\/a><\/li>\n<\/ol>\n<\/blockquote>\n<p>PS\uff1a\u672c\u6587\u540c\u6b65\u66f4\u65b0\u4e8e\u5728\u4e0b\u7684\u535a\u5ba2 <a href=\"https:\/\/link.segmentfault.com\/?enc=KZaKA4JSjwptJeNyscFXZg%3D%3D.CZmKv%2BStTjXNO0MwBxKpPMY37h68gyHvkW922MjCUGyT21YFNVOBt%2BQ2gakPds6C\" rel=\"nofollow noopener noreferrer\" target=\"_blank\">Github &#8211; SHERlocked93\/blog<\/a><br \/>\u7cfb\u5217\u6587\u7ae0\u4e2d\uff0c\u6b22\u8fce\u5927\u5bb6\u5173\u6ce8\u6211\u7684\u516c\u4f17\u53f7 <code>CPP\u4e0b\u5348\u8336<\/code>\uff0c\u76f4\u63a5\u641c\u7d22\u5373\u53ef\u6dfb\u52a0\uff0c\u6301\u7eed\u4e3a\u5927\u5bb6\u63a8\u9001 CPP \u4ee5\u53ca CPP \u5468\u8fb9\u76f8\u5173\u4f18\u8d28\u6280\u672f\u6587\uff0c\u5171\u540c\u8fdb\u6b65\uff0c\u4e00\u8d77\u52a0\u6cb9\/~<\/p>\n<p><a href=\"https:\/\/segmentfault.com\/a\/1190000047487525\">https:\/\/segmentfault.com\/a\/1190000047487525<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u672c\u6587\u8bb0\u5f55\u6211\u5728\u6444\u50cf\u5934 RTSP \u6d41\u89c6\u9891\u591a\u8def\u5b9e\u65f6\u76d1\u63a7\u9879\u76ee\u91cc\uff0c\u843d\u5730\u7684\u4e00\u5957\u300c\u591a\u8def RTSP \u4f4e\u5ef6\u8fdf\u64ad\u653e\u300d\u65b9\u6848\u7684\u5168\u8fc7\u7a0b\uff1a [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[4],"tags":[],"class_list":["post-10021133","post","type-post","status-publish","format-standard","hentry","category-share"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts\/10021133","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=10021133"}],"version-history":[{"count":0,"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts\/10021133\/revisions"}],"wp:attachment":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=10021133"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=10021133"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=10021133"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}