{"id":208674,"date":"2025-09-29T20:24:48","date_gmt":"2025-09-29T12:24:48","guid":{"rendered":"https:\/\/www.server.hk\/blog\/208674\/"},"modified":"2025-09-29T20:24:49","modified_gmt":"2025-09-29T12:24:49","slug":"vps-87","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/208674\/","title":{"rendered":"\u9999\u6e2fVPS\u5b9e\u6218\uff1a\u7528FFmpeg\u5feb\u901f\u642d\u5efa\u9ad8\u6027\u80fd\u89c6\u9891\u6d41\u670d\u52a1\u5668"},"content":{"rendered":"

\u5728\u8fb9\u7f18\u8ba1\u7b97\u4e0e\u89c6\u9891\u6d88\u8d39\u589e\u957f\u7684\u9a71\u52a8\u4e0b\uff0c\u8bb8\u591a\u7ad9\u957f\u4e0e\u4f01\u4e1a\u5f00\u59cb\u5728\u4e91\u7aef\u81ea\u5efa\u89c6\u9891\u6d41\u670d\u52a1\u3002\u672c\u6587\u4ee5\u5b9e\u6218\u89c6\u89d2\uff0c\u4ecb\u7ecd\u5982\u4f55\u5728\u9999\u6e2f\u8282\u70b9\u7684VPS\u4e0a\u5229\u7528FFmpeg<\/strong>\u5feb\u901f\u642d\u5efa\u9ad8\u6027\u80fd\u7684\u89c6\u9891\u6d41\u670d\u52a1\u5668\uff0c\u5e76\u8ba8\u8bba\u539f\u7406\u3001\u5e94\u7528\u573a\u666f\u3001\u6027\u80fd\u8c03\u4f18\u4e0e\u9009\u8d2d\u5efa\u8bae\u3002\u6587\u4e2d\u9002\u5ea6\u63d0\u53ca\u7f8e\u56fdVPS\u3001\u9999\u6e2f\u670d\u52a1\u5668\u4e0e\u7f8e\u56fd\u670d\u52a1\u5668\uff0c\u4ee5\u4fbf\u5728\u591a\u8282\u70b9\u90e8\u7f72\u4e0e\u8de8\u5883\u4f20\u8f93\u573a\u666f\u4e2d\u505a\u51fa\u5408\u7406\u6289\u62e9\u3002<\/p>\n

\u5f15\u8a00\uff1a\u4e3a\u4ec0\u4e48\u9009\u62e9\u9999\u6e2fVPS\u4e0eFFmpeg<\/h2>\n

\u9999\u6e2f\u7f51\u7edc\u73af\u5883\u5bf9\u4e9a\u6d32\u7528\u6237 latency \u4f4e\u3001\u56fd\u9645\u5e26\u5bbd\u53cb\u597d\uff0c\u9002\u5408\u505a\u89c6\u9891\u5206\u53d1\u7684\u8fb9\u7f18\u8282\u70b9\u3002\u76f8\u6bd4\u7f8e\u56fd\u670d\u52a1\u5668\uff0c\u9999\u6e2f\u670d\u52a1\u5668\u5728\u9762\u5411\u4e2d\u56fd\u5927\u9646\u4e0e\u4e1c\u5357\u4e9a\u8bbf\u95ee\u65f6\u901a\u5e38\u80fd\u63d0\u4f9b\u66f4\u597d\u7684\u65f6\u5ef6\u3002FFmpeg \u662f\u4e00\u5957\u6210\u719f\u7684\u89c6\u9891\u5904\u7406\u5de5\u5177\uff0c\u652f\u6301\u7f16\u7801\u3001\u8f6c\u5c01\u88c5\u3001\u63a8\u6d41\u7b49\u529f\u80fd\u3002\u7ed3\u5408\u8f7b\u91cf\u7684\u6d41\u5a92\u4f53\u670d\u52a1\uff08\u5982 nginx-rtmp \u6216 HLS \u9759\u6001\u5206\u53d1\uff09\uff0c\u53ef\u4ee5\u5728\u4e00\u53f0\u9999\u6e2fVPS\u4e0a\u9ad8\u6548\u642d\u5efa\u4f4e\u6210\u672c\u7684\u89c6\u9891\u6d41\u5e73\u53f0\u3002<\/p>\n

\u539f\u7406\u4e0e\u67b6\u6784\u6982\u8ff0<\/h2>\n

\u642d\u5efa\u57fa\u7840\u6d41\u5a92\u4f53\u7cfb\u7edf\u901a\u5e38\u5305\u542b\u4ee5\u4e0b\u7ec4\u4ef6\uff1a<\/p>\n

    \n
  • \u91c7\u96c6\u4e0e\u63a8\u6d41\u5ba2\u6237\u7aef\uff08OBS\u3001\u6444\u50cf\u5934 RTSP\u3001\u79fb\u52a8\u7aef RTMP \u63a8\u6d41\uff09<\/li>\n
  • \u63a5\u6536\u4e0e\u8f6c\u7801\u5c42\uff08FFmpeg \u7528\u4e8e\u8f6c\u7801\u3001\u8f6c\u5c01\u88c5\u3001\u5206\u8fa8\u7387\/\u7801\u7387\u81ea\u9002\u5e94\uff09<\/li>\n
  • \u5206\u53d1\u5c42\uff08nginx-rtmp\u3001HLS\u3001DASH\u3001WebRTC \u6216\u7ed3\u5408 CDN\uff09<\/li>\n
  • \u5b58\u50a8\u4e0e\u56de\u653e\uff08\u672c\u5730\u78c1\u76d8\u3001\u5bf9\u8c61\u5b58\u50a8\u6216\u51b7\u5f52\u6863\uff09<\/li>\n<\/ul>\n

    \u5728\u5c0f\u89c4\u6a21\u573a\u666f\u4e0b\uff0c\u53ef\u4ee5\u5c06\u63a5\u6536\u3001\u8f6c\u7801\u4e0e\u5206\u53d1\u6574\u5408\u5230\u540c\u4e00\u53f0\u9999\u6e2fVPS\u4e0a\u3002FFmpeg \u626e\u6f14\u5173\u952e\u89d2\u8272\uff1a\u5b83\u65e2\u53ef\u628a RTMP \u63a8\u6d41\u8f6c\u4e3a HLS\uff0c\u4e5f\u53ef\u505a\u5b9e\u65f6\u8f6c\u7801\uff08\u4f8b\u5982 1080p -> \u591a\u7801\u7387\uff09\uff0c\u5e76\u751f\u6210\u5207\u7247\u4f9b\u6d4f\u89c8\u5668\u6216\u64ad\u653e\u5668\u62c9\u53d6\u3002<\/p>\n

    \u5e38\u89c1\u6d41\u5a92\u4f53\u5de5\u4f5c\u6d41\u7a0b\uff08\u793a\u4f8b\uff09<\/h3>\n

    \u4e00\u4e2a\u5178\u578b\u6d41\u7a0b\uff1a<\/p>\n

      \n
    • OBS \u63a8\u6d41\uff08RTMP\uff09\u5230 VPS \u7684 nginx-rtmp \u6a21\u5757\u3002<\/li>\n
    • nginx-rtmp \u5c06\u6d41\u5199\u5165\u672c\u5730 RTMP \u6216\u76f4\u63a5\u89e6\u53d1 FFmpeg \u8fdb\u884c\u8f6c\u7801\u4e0e\u751f\u6210 HLS\uff08.m3u8 + .ts \u5207\u7247\uff09\u3002<\/li>\n
    • \u524d\u7aef\u73a9\u5bb6\uff08Video.js\u3001hls.js\uff09\u62c9\u53d6 HLS\uff0c\u6216 nginx \u7ed3\u5408 TLS\/HTTP2 \u63d0\u4f9b\u5b89\u5168\u5206\u53d1\u3002<\/li>\n
    • \u5fc5\u8981\u65f6\u5c06\u5185\u5bb9\u901a\u8fc7 CDN\uff08\u6216\u591a\u533a\u57df\u7684\u7f8e\u56fdVPS \u8282\u70b9\uff09\u8fdb\u884c\u5168\u7403\u52a0\u901f\u3002<\/li>\n<\/ul>\n

      \u5b9e\u6218\u90e8\u7f72\uff1a\u6b65\u9aa4\u4e0e\u5173\u952e\u547d\u4ee4<\/h2>\n

      \u4e0b\u9762\u7ed9\u51fa\u4e00\u5957\u7b80\u5316\u7684\u5b9e\u6218\u6d41\u7a0b\uff0c\u5047\u8bbe\u4f7f\u7528 Ubuntu 20.04 \u7684\u9999\u6e2fVPS\uff0c\u5b89\u88c5 nginx\uff08\u542b rtmp \u6a21\u5757\uff09\u548c FFmpeg\u3002<\/p>\n

      1. \u5b89\u88c5 FFmpeg \u4e0e nginx-rtmp<\/h3>\n

      \u4f7f\u7528\u5b98\u65b9\u6216 PPA \u7f16\u8bd1\u7248 FFmpeg \u4ee5\u652f\u6301\u6700\u65b0\u7f16\u7801\u5668\uff08libx264\u3001libfdk_aac\u3001libvpx\uff09\uff1a<\/p>\n

      sudo apt update && sudo apt install -y ffmpeg nginx<\/code><\/p>\n

      \u5bf9\u4e8e nginx-rtmp \u6a21\u5757\uff0c\u5efa\u8bae\u4ece\u6e90\u4ee3\u7801\u7f16\u8bd1\u6216\u4f7f\u7528\u9884\u7f16\u8bd1\u5305\uff0c\u4ee5\u4fbf\u5f00\u542f rtmp \u6a21\u5757\uff1a<\/p>\n

      sudo apt install -y build-essential libpcre3 libpcre3-dev libssl-dev zlib1g-dev<\/code><\/p>\n

      \u4e0b\u8f7d nginx \u4e0e nginx-rtmp-module\uff0c\u7f16\u8bd1\u65f6\u52a0\u5165 –add-module=path\/to\/nginx-rtmp-module\u3002\u5b8c\u6210\u540e\u914d\u7f6e \/etc\/nginx\/nginx.conf\u3002<\/p>\n

      2. nginx-rtmp \u57fa\u672c\u914d\u7f6e\u7247\u6bb5<\/h3>\n

      \u793a\u4f8b\u914d\u7f6e\uff08\u7b80\u5316\uff09\uff1a<\/p>\n


      \nrtmp {
      \n  server {
      \n    listen 1935;
      \n    chunk_size 4096;
      \n    application live {
      \n      live on;
      \n      record off;
      \n      exec ffmpeg -i rtmp:\/\/localhost\/live\/$name -c:v libx264 -preset veryfast -b:v 1500k -maxrate 1500k -bufsize 3000k -g 48 -c:a aac -b:a 128k -f flv rtmp:\/\/localhost\/hls\/$name ;
      \n    }
      \n    application hls {
      \n      live on;
      \n      hls on;
      \n      hls_path \/var\/www\/hls;
      \n      hls_fragment 4s;
      \n      hls_playlist_length 30s;
      \n    }
      \n  }
      \n}
      \n<\/code><\/p>\n

      \u6ce8\u610f\uff1a\u751f\u4ea7\u73af\u5883\u4e0b\u4e0d\u8981\u6ee5\u7528 exec \u8c03\u7528 FFmpeg\uff0c\u6bcf\u4e2a\u63a8\u6d41\u89e6\u53d1\u72ec\u7acb\u8fdb\u7a0b\u5bf9 CPU \u4e0e\u5185\u5b58\u538b\u529b\u5927\uff0c\u5efa\u8bae\u4f7f\u7528\u6d41\u63a7\u811a\u672c\u6216\u8f6c\u7801\u6c60\u3002<\/p>\n

      3. \u4f7f\u7528 FFmpeg \u505a\u591a\u7801\u7387\u8f6c\u7801\uff08\u793a\u4f8b\u547d\u4ee4\uff09<\/h3>\n

      \u5c06\u8f93\u5165\u6d41\u8f6c\u4e3a\u4e09\u4e2a\u7801\u7387\u7528\u4e8e\u81ea\u9002\u5e94\uff1a<\/p>\n


      \nffmpeg -i rtmp:\/\/localhost\/live\/stream -map 0:v -map 0:a
      \n-c:v libx264 -b:v:0 2500k -maxrate 2675k -bufsize 5000k -preset veryfast -g 48 -sc_threshold 0 -keyint_min 48
      \n-s:v:0 1280x720
      \n-c:v libx264 -b:v:1 1200k -maxrate 1284k -bufsize 2400k -s:v:1 854x480
      \n-c:v libx264 -b:v:2 600k -maxrate 642k -bufsize 1200k -s:v:2 640x360
      \n-c:a aac -b:a 128k -ac 2
      \n-f hls -hls_time 4 -hls_playlist_type event
      \n-hls_segment_filename '\/var\/www\/hls\/%v\/segment_%03d.ts' \/var\/www\/hls\/%v\/stream.m3u8
      \n<\/code><\/p>\n

      \u8fd9\u91cc\u4f7f\u7528\u591a\u8f93\u51fa\u6620\u5c04\uff0c\u751f\u6210\u4e0d\u540c\u5206\u8fa8\u7387\u4e0e\u7801\u7387\u7684 HLS \u6e05\u5355\uff0c\u64ad\u653e\u5668\u53ef\u57fa\u4e8e\u5e26\u5bbd\u9009\u62e9\u5408\u9002\u53d8\u4f53\u3002<\/p>\n

      \u6027\u80fd\u8c03\u4f18\u4e0e\u7cfb\u7edf\u7ea7\u4f18\u5316<\/h2>\n

      \u5728 VPS \u4e0a\u505a\u89c6\u9891\u5904\u7406\u65f6\uff0c\u74f6\u9888\u901a\u5e38\u662f CPU\u3001\u7f51\u7edc\u5e26\u5bbd\u4e0e\u78c1\u76d8 I\/O\u3002\u4e0b\u9762\u5217\u51fa\u5e38\u89c1\u7684\u4f18\u5316\u9879\uff1a<\/p>\n

      CPU \u4e0e\u7ebf\u7a0b<\/h3>\n