{"id":34941,"date":"2025-05-01T08:46:26","date_gmt":"2025-05-01T00:46:26","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/34941.html"},"modified":"2025-05-01T08:46:26","modified_gmt":"2025-05-01T00:46:26","slug":"%e4%bd%bf%e7%94%a8dvix%e6%8a%80%e6%9c%af%e5%ae%9e%e7%8e%b0%e9%ab%98%e6%95%88%e7%9a%84%e8%a7%86%e9%a2%91%e4%bc%a0%e8%be%93%ef%bc%9avc6%e5%ae%a2%e6%88%b7%e7%ab%af-%e6%9c%8d%e5%8a%a1%e5%99%a8%e8%8c%83","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/34941.html","title":{"rendered":"\u4f7f\u7528DVIX\u6280\u672f\u5b9e\u73b0\u9ad8\u6548\u7684\u89c6\u9891\u4f20\u8f93\uff1aVC6\u5ba2\u6237\u7aef\/\u670d\u52a1\u5668\u8303\u4f8b"},"content":{"rendered":"<p>  \u672c\u6587\u8fd8\u6709\u914d\u5957\u7684\u7cbe\u54c1\u8d44\u6e90&#xff0c;\u70b9\u51fb\u83b7\u53d6  <img decoding=\"async\" alt=\"menu-r.4af5f7ec.gif\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250501004625-6812c46100615.gif\" style=\"width:16px;margin-left:4px;vertical-align:text-bottom;cursor:text\" \/> <\/p>\n<p> \u7b80\u4ecb&#xff1a;\u672c\u8bfe\u7a0b\u6df1\u5165\u8bb2\u89e3\u4e86\u5229\u7528DVIX\u6280\u672f\u8fdb\u884c\u89c6\u9891\u4f20\u8f93\u7684\u5b9e\u73b0\u65b9\u6cd5&#xff0c;\u91cd\u70b9\u4ecb\u7ecd\u4e86\u5728Visual C&#043;&#043; 6\u73af\u5883\u4e0b\u57fa\u4e8e\u5ba2\u6237\u7aef\/\u670d\u52a1\u5668\u67b6\u6784\u7684\u89c6\u9891\u4f20\u8f93\u7cfb\u7edf\u7684\u8bbe\u8ba1\u4e0e\u5b9e\u73b0\u3002\u8bfe\u7a0b\u6db5\u76d6\u4e86\u7f16\u89e3\u7801\u5668\u7684\u539f\u7406\u3001\u7f51\u7edc\u6296\u52a8\u4e0e\u4e22\u5305\u5904\u7406\u3001\u591a\u7ebf\u7a0b\u7f16\u7a0b\u3001\u5e26\u5bbd\u7ba1\u7406\u3001\u9519\u8bef\u6062\u590d\u673a\u5236\u7b49\u591a\u4e2a\u5173\u952e\u6280\u672f\u70b9\u3002\u901a\u8fc7\u5206\u6790\u548c\u7814\u7a76\u76f8\u5173\u6e90\u4ee3\u7801&#xff0c;\u5b66\u751f\u5c06\u5b66\u4f1a\u5982\u4f55\u5c06\u8fd9\u4e9b\u6280\u672f\u6574\u5408\u5e94\u7528&#xff0c;\u6784\u5efa\u4e00\u4e2a\u7a33\u5b9a\u53ef\u9760\u7684\u89c6\u9891\u4f20\u8f93\u7cfb\u7edf\u3002 <img decoding=\"async\" alt=\"\u5229\u7528DVIX\u505a\u8996\u8a0a\u50b3\u8f38\u7bc4\u4f8b~VC6\u7684\u7bc4\u4f8b~\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250501004625-6812c461062d3.png\" \/> <\/p>\n<h2> 1. DVIX\u6280\u672f\u6982\u89c8\u4e0e\u5e94\u7528 <\/h2>\n<p> DVIX\u6280\u672f\u662f\u8fd1\u5e74\u6765\u89c6\u9891\u901a\u4fe1\u9886\u57df\u7684\u4e00\u5927\u521b\u65b0&#xff0c;\u5b83\u6574\u5408\u4e86\u5148\u8fdb\u7684\u7f16\u89e3\u7801\u7b97\u6cd5\u3001\u9ad8\u6548\u7684\u6570\u636e\u4f20\u8f93\u3001\u667a\u80fd\u7684\u9519\u8bef\u5904\u7406\u673a\u5236\u4ee5\u53ca\u9002\u7528\u4e8e\u591a\u7ebf\u7a0b\u548c\u9ad8\u5e76\u53d1\u573a\u666f\u7684\u4f18\u5316\u8bbe\u8ba1&#xff0c;\u4e3a\u5b9e\u65f6\u89c6\u9891\u901a\u4fe1\u5e26\u6765\u4e86\u5168\u65b0\u7684\u4f53\u9a8c\u3002DVIX\u4e0d\u4ec5\u53ef\u4ee5\u5e94\u7528\u4e8e\u5728\u7ebf\u89c6\u9891\u4f1a\u8bae\u3001\u8fdc\u7a0b\u6559\u80b2\u548c\u89c6\u9891\u76f4\u64ad\u7b49\u573a\u666f&#xff0c;\u4e5f\u63a8\u52a8\u4e86\u4f01\u4e1a\u7ea7\u5e94\u7528\u7684\u53d1\u5c55\u3002\u672c\u7ae0\u8282\u65e8\u5728\u7b80\u8981\u6982\u8ff0DVIX\u6280\u672f\u7684\u6838\u5fc3\u7279\u70b9&#xff0c;\u4e3a\u540e\u6587\u6df1\u5165\u63a2\u8ba8\u6bcf\u9879\u6280\u672f\u53ca\u5176\u5e94\u7528\u6253\u4e0b\u57fa\u7840\u3002 <\/p>\n<h2> 2. \u89c6\u9891\u7f16\u89e3\u7801\u539f\u7406\u4e0e\u5e94\u7528 <\/h2>\n<h3> 2.1 \u89c6\u9891\u7f16\u89e3\u7801\u57fa\u7840 <\/h3>\n<h4> 2.1.1 \u7f16\u89e3\u7801\u7684\u5b9a\u4e49\u53ca\u5176\u91cd\u8981\u6027 <\/h4>\n<p> \u89c6\u9891\u7f16\u89e3\u7801\u662f\u5904\u7406\u6570\u5b57\u89c6\u9891\u6570\u636e\u7684\u6838\u5fc3\u6280\u672f&#xff0c;\u5b83\u6d89\u53ca\u5230\u4e86\u5c06\u89c6\u9891\u6570\u636e\u8f6c\u6362\u4e3a\u4e00\u79cd\u4fbf\u4e8e\u5b58\u50a8\u548c\u4f20\u8f93\u7684\u683c\u5f0f&#xff08;\u7f16\u7801&#xff09;&#xff0c;\u4ee5\u53ca\u5c06\u8fd9\u79cd\u683c\u5f0f\u7684\u6570\u636e\u8fd8\u539f\u4e3a\u53ef\u89c2\u770b\u7684\u89c6\u9891&#xff08;\u89e3\u7801&#xff09;\u3002\u5728\u6570\u5b57\u5316\u89c6\u9891\u5904\u7406\u6d41\u7a0b\u4e2d&#xff0c;\u7f16\u89e3\u7801\u6280\u672f\u5bf9\u4e8e\u89c6\u9891\u8d28\u91cf\u3001\u5b58\u50a8\u7a7a\u95f4\u3001\u5e26\u5bbd\u9700\u6c42\u4ee5\u53ca\u64ad\u653e\u6d41\u7545\u5ea6\u90fd\u6709\u7740\u51b3\u5b9a\u6027\u7684\u5f71\u54cd\u3002 <\/p>\n<p> \u4ece\u6280\u672f\u89d2\u5ea6\u6765\u770b&#xff0c;\u7f16\u89e3\u7801\u8fc7\u7a0b\u901a\u5e38\u5305\u62ec\u4e09\u4e2a\u4e3b\u8981\u6b65\u9aa4&#xff1a;\u6570\u636e\u538b\u7f29\u3001\u6570\u636e\u4f20\u8f93\u548c\u6570\u636e\u89e3\u538b\u7f29\u3002\u5728\u538b\u7f29\u9636\u6bb5&#xff0c;\u7f16\u89e3\u7801\u5668\u901a\u8fc7\u8bc6\u522b\u548c\u53bb\u9664\u5197\u4f59\u6570\u636e\u6765\u51cf\u5c0f\u6587\u4ef6\u5927\u5c0f&#xff1b;\u5728\u4f20\u8f93\u8fc7\u7a0b\u4e2d&#xff0c;\u538b\u7f29\u540e\u7684\u89c6\u9891\u6570\u636e\u53ef\u4ee5\u5728\u7f51\u7edc\u4e0a\u4f20\u8f93&#xff1b;\u6700\u540e&#xff0c;\u5728\u7528\u6237\u7aef\u8fdb\u884c\u89e3\u538b\u7f29&#xff0c;\u6062\u590d\u539f\u59cb\u89c6\u9891\u6570\u636e\u4ee5\u4f9b\u89c2\u770b\u3002 <\/p>\n<p> \u7f16\u89e3\u7801\u6280\u672f\u7684\u91cd\u8981\u6027\u4f53\u73b0\u5728\u4ee5\u4e0b\u51e0\u70b9&#xff1a; <\/p>\n<ul>\n<li>  \u63d0\u9ad8\u6548\u7387  &#xff1a;\u901a\u8fc7\u6709\u6548\u7684\u7f16\u7801\u6280\u672f&#xff0c;\u53ef\u4ee5\u51cf\u5c11\u6570\u636e\u5927\u5c0f&#xff0c;\u4ece\u800c\u964d\u4f4e\u5b58\u50a8\u548c\u4f20\u8f93\u6210\u672c\u3002 <\/li>\n<li>  \u4fdd\u8bc1\u8d28\u91cf  &#xff1a;\u9ad8\u8d28\u91cf\u7684\u7f16\u89e3\u7801\u53ef\u4ee5\u5c3d\u53ef\u80fd\u4fdd\u6301\u89c6\u9891\u7684\u539f\u59cb\u8d28\u91cf&#xff0c;\u540c\u65f6\u51cf\u5c11\u6240\u9700\u4f20\u8f93\u7684\u5e26\u5bbd\u3002 <\/li>\n<li>  \u9002\u5e94\u73af\u5883  &#xff1a;\u4e0d\u540c\u7684\u7f16\u89e3\u7801\u6280\u672f\u9002\u5e94\u4e0d\u540c\u7684\u5e94\u7528\u573a\u666f\u548c\u8bbe\u5907&#xff0c;\u5982\u9ad8\u6e05\u89c6\u9891\u3001\u6d41\u5a92\u4f53\u3001\u79fb\u52a8\u8bbe\u5907\u7b49\u3002 <\/li>\n<\/ul>\n<h4> 2.1.2 \u5e38\u89c1\u7f16\u89e3\u7801\u6807\u51c6\u89e3\u6790 <\/h4>\n<p> \u4e0d\u540c\u7684\u7f16\u89e3\u7801\u6807\u51c6\u6709\u7740\u5404\u81ea\u7684\u7279\u70b9\u548c\u7528\u9014\u3002\u4e0b\u9762\u5217\u4e3e\u4e86\u4e00\u4e9b\u4e3b\u6d41\u7684\u7f16\u89e3\u7801\u6807\u51c6&#xff0c;\u5e76\u5bf9\u5b83\u4eec\u8fdb\u884c\u4e86\u7b80\u8981\u5206\u6790&#xff1a; <\/p>\n<ul>\n<li>\n<p>  H.264\/AVC  &#xff1a;H.264\u662f\u76ee\u524d\u5e94\u7528\u6700\u4e3a\u5e7f\u6cdb\u7684\u89c6\u9891\u538b\u7f29\u6807\u51c6\u4e4b\u4e00&#xff0c;\u5b83\u5728\u540c\u7b49\u538b\u7f29\u6548\u7387\u4e0b\u63d0\u4f9b\u4e86\u6bd4\u5148\u524d\u6807\u51c6\u66f4\u597d\u7684\u89c6\u9891\u8d28\u91cf\u3002H.264\u88ab\u5e7f\u6cdb\u7528\u4e8e\u6570\u5b57\u89c6\u9891\u5b58\u50a8\u3001\u7f51\u7edc\u6d41\u5a92\u4f53\u4ee5\u53ca\u9ad8\u6e05\u7535\u89c6\u5e7f\u64ad\u7b49\u9886\u57df\u3002 <\/p>\n<\/li>\n<li>\n<p>  HEVC\/H.265  &#xff1a;\u4f5c\u4e3aH.264\u7684\u7ee7\u4efb\u8005&#xff0c;H.265\u63d0\u4f9b\u66f4\u4e3a\u9ad8\u6548\u7684\u89c6\u9891\u538b\u7f29&#xff0c;\u80fd\u591f\u5728\u76f8\u540c\u6587\u4ef6\u5927\u5c0f\u4e0b\u63d0\u4f9b\u66f4\u9ad8\u7684\u89c6\u9891\u8d28\u91cf&#xff0c;\u6216\u8005\u5728\u4fdd\u6301\u76f8\u540c\u89c6\u9891\u8d28\u91cf\u7684\u60c5\u51b5\u4e0b\u5927\u5927\u51cf\u5c0f\u6587\u4ef6\u5927\u5c0f\u3002H.265\u7279\u522b\u9002\u7528\u4e8e4K\u548c8K\u8d85\u9ad8\u6e05\u89c6\u9891\u5185\u5bb9\u7684\u538b\u7f29\u3002 <\/p>\n<\/li>\n<li>\n<p>  VP9  &#xff1a;VP9\u662f\u7531\u8c37\u6b4c\u5f00\u53d1\u7684\u5f00\u6e90\u89c6\u9891\u7f16\u89e3\u7801\u6807\u51c6&#xff0c;\u662fVP8\u7684\u7ee7\u4efb\u8005\u3002VP9\u5728\u4fdd\u6301\u4e0eH.264\u76f8\u4f3c\u7684\u89c6\u9891\u8d28\u91cf\u7684\u540c\u65f6&#xff0c;\u63d0\u4f9b\u4e86\u66f4\u597d\u7684\u538b\u7f29\u6548\u7387&#xff0c;\u5b83\u88ab\u7528\u4e8eYouTube\u7684\u89c6\u9891\u6d41\u4ee5\u53caWebM\u683c\u5f0f\u3002 <\/p>\n<\/li>\n<li>\n<p>  AV1  &#xff1a;\u7531AOMedia Video 1&#xff08;AV1&#xff09;\u53d1\u8d77\u7ec4\u7ec7\u5f00\u53d1&#xff0c;AV1\u662f\u4e00\u79cd\u5f00\u6e90\u4e14\u514d\u7248\u7a0e\u7684\u89c6\u9891\u7f16\u7801\u683c\u5f0f&#xff0c;\u65e8\u5728\u53d6\u4ee3H.265\u5e76\u63d0\u4f9b\u66f4\u9ad8\u7684\u538b\u7f29\u6548\u7387\u3002AV1\u662f\u5f53\u524d\u6700\u65b0\u4e00\u4ee3\u89c6\u9891\u7f16\u7801\u6807\u51c6&#xff0c;\u88ab\u671f\u5f85\u53ef\u4ee5\u6210\u4e3a\u672a\u6765\u89c6\u9891\u670d\u52a1\u7684\u4e3b\u6d41\u7f16\u89e3\u7801\u6807\u51c6\u3002 <\/p>\n<\/li>\n<\/ul>\n<p> \u968f\u7740\u6280\u672f\u7684\u53d1\u5c55&#xff0c;\u7f16\u89e3\u7801\u6280\u672f\u4e5f\u5728\u4e0d\u65ad\u8fdb\u6b65\u3002\u5f00\u53d1\u8005\u548c\u89c6\u9891\u670d\u52a1\u63d0\u4f9b\u5546\u5fc5\u987b\u6839\u636e\u76ee\u6807\u5e73\u53f0\u3001\u7528\u6237\u9700\u6c42\u4ee5\u53ca\u6210\u672c\u7b49\u56e0\u7d20\u9009\u62e9\u5408\u9002\u7684\u7f16\u89e3\u7801\u6807\u51c6\u3002 <\/p>\n<h3> 2.2 \u89c6\u9891\u7f16\u89e3\u7801\u6280\u672f\u7684\u53d1\u5c55\u8d8b\u52bf <\/h3>\n<h4> 2.2.1 \u4eceH.264\u5230H.265\u7684\u8fdb\u6b65 <\/h4>\n<p> H.265\/HEVC&#xff08;High Efficiency Video Coding&#xff09;\u6280\u672f\u662f\u5728H.264\/AVC\u4e4b\u540e\u5f00\u53d1\u7684&#xff0c;\u65e8\u5728\u6ee1\u8db3\u66f4\u9ad8\u7684\u5206\u8fa8\u7387\u548c\u66f4\u9ad8\u8d28\u91cf\u89c6\u9891\u5185\u5bb9\u7684\u9700\u6c42\u3002H.265\u4e0eH.264\u76f8\u6bd4&#xff0c;\u6709\u4ee5\u4e0b\u5173\u952e\u8fdb\u6b65&#xff1a; <\/p>\n<ul>\n<li>  \u66f4\u9ad8\u7684\u7f16\u7801\u6548\u7387  &#xff1a;\u5728\u76f8\u540c\u7684\u89c6\u9891\u8d28\u91cf\u4e0b&#xff0c;H.265\u53ef\u4ee5\u6bd4H.264\u51cf\u5c11\u5927\u7ea650%\u7684\u6bd4\u7279\u7387&#xff0c;\u6216\u8005\u5728\u76f8\u540c\u7684\u6bd4\u7279\u7387\u4e0b\u63d0\u4f9b\u66f4\u9ad8\u7684\u89c6\u9891\u8d28\u91cf\u3002 <\/li>\n<li>  \u6539\u8fdb\u7684\u9884\u6d4b\u7b97\u6cd5  &#xff1a;H.265\u5f15\u5165\u4e86\u66f4\u591a\u7684\u7f16\u7801\u5757\u5927\u5c0f\u548c\u6a21\u5f0f&#xff0c;\u63d0\u9ad8\u4e86\u5e27\u5185\u548c\u5e27\u95f4\u9884\u6d4b\u7684\u6548\u7387\u3002 <\/li>\n<li>  \u66f4\u5f3a\u7684\u5e76\u884c\u5904\u7406\u80fd\u529b  &#xff1a;H.265\u8bbe\u8ba1\u7528\u4e8e\u5229\u7528\u591a\u6838\u5904\u7406\u5668\u7684\u5e76\u884c\u5904\u7406\u80fd\u529b&#xff0c;\u4ece\u800c\u52a0\u5feb\u7f16\u7801\u548c\u89e3\u7801\u8fc7\u7a0b\u3002 <\/li>\n<\/ul>\n<p> \u8fd9\u4e9b\u6280\u672f\u8fdb\u6b65\u4f7f\u5f97H.265\u7279\u522b\u9002\u5408\u4e8e\u8d85\u9ad8\u6e05\u89c6\u9891\u5185\u5bb9&#xff08;\u59824K\u548c8K\u5206\u8fa8\u7387\u89c6\u9891&#xff09;\u7684\u4f20\u8f93\u548c\u5b58\u50a8\u3002\u7136\u800c&#xff0c;H.265\u7684\u7b97\u6cd5\u590d\u6742\u5ea6\u4e5f\u5927\u5e45\u589e\u52a0&#xff0c;\u5bfc\u81f4\u7f16\u89e3\u7801\u8fc7\u7a0b\u9700\u8981\u66f4\u591a\u7684\u8ba1\u7b97\u8d44\u6e90\u3002 <\/p>\n<h4> 2.2.2 \u65b0\u5174\u7f16\u89e3\u7801\u6280\u672f\u5982VP9\u548cAV1 <\/h4>\n<p>  VP9  \u662f\u8c37\u6b4c\u5f00\u53d1\u7684\u89c6\u9891\u7f16\u89e3\u7801\u6807\u51c6&#xff0c;\u4f5c\u4e3a VP8 \u7684\u540e\u7ee7\u8005&#xff0c;\u65e8\u5728\u63d0\u4f9b\u4e0e H.265 \u76f8\u5f53\u7684\u538b\u7f29\u6548\u7387&#xff0c;\u4f46\u4e0d\u9700\u8981\u652f\u4ed8\u7248\u6743\u8d39\u7528\u3002VP9 \u62e5\u6709\u4ee5\u4e0b\u7279\u70b9&#xff1a; <\/p>\n<ul>\n<li>  \u5f00\u6e90\u548c\u514d\u8d39  &#xff1a;\u4e0eH.265\u76f8\u6bd4&#xff0c;VP9\u6ca1\u6709\u4e13\u5229\u6388\u6743\u6210\u672c\u95ee\u9898&#xff0c;\u4f7f\u5f97\u5b83\u5728\u5f00\u6e90\u793e\u533a\u548c\u4e92\u8054\u7f51\u89c6\u9891\u670d\u52a1\u4e2d\u7279\u522b\u53d7\u6b22\u8fce\u3002 <\/li>\n<li>  \u826f\u597d\u7684\u7f51\u7edc\u9002\u5e94\u6027  &#xff1a;VP9 \u7f16\u89e3\u7801\u5668\u53ef\u4ee5\u52a8\u6001\u8c03\u6574\u6bd4\u7279\u7387\u4ee5\u9002\u5e94\u7f51\u7edc\u5e26\u5bbd\u7684\u53d8\u5316&#xff0c;\u9002\u5408\u4e8e\u6d41\u5a92\u4f53\u670d\u52a1\u3002 <\/li>\n<\/ul>\n<p> \u800c  AV1  &#xff08;AOMedia Video 1&#xff09;\u662f\u6700\u65b0\u4e00\u4ee3\u7684\u5f00\u6e90\u89c6\u9891\u7f16\u7801\u683c\u5f0f&#xff0c;\u5b83\u662f\u7531\u591a\u4e2a\u4e3b\u8981\u7684\u79d1\u6280\u516c\u53f8\u5171\u540c\u53d1\u8d77\u7684 AOMedia Video 1 \u7f16\u7801\u53d1\u8d77\u7ec4\u7ec7&#xff08;AOMedia Video 1&#xff0c;\u7b80\u79f0 AOM&#xff09;\u5171\u540c\u5f00\u53d1\u7684\u3002AV1 \u7684\u4e3b\u8981\u4f18\u52bf\u5982\u4e0b&#xff1a; <\/p>\n<ul>\n<li>  \u538b\u7f29\u6548\u7387  &#xff1a;\u76f8\u8f83\u4e8e H.265&#xff0c;AV1 \u63d0\u4f9b\u4e86\u66f4\u9ad8\u7684\u89c6\u9891\u538b\u7f29\u6548\u7387&#xff0c;\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\u53ef\u51cf\u5c11 50% \u7684\u6bd4\u7279\u7387\u3002 <\/li>\n<li>  \u65e0\u4e13\u5229\u8d39\u7528  &#xff1a;AV1 \u662f\u5f00\u6e90\u4e14\u514d\u7248\u7a0e\u7684\u89c6\u9891\u7f16\u89e3\u7801\u6807\u51c6&#xff0c;\u5b83\u4e3a\u5185\u5bb9\u63d0\u4f9b\u8005\u548c\u5236\u9020\u5546\u63d0\u4f9b\u4e86\u4e00\u4e2a\u65e0\u4e13\u5229\u8d39\u7528\u7684\u66ff\u4ee3\u65b9\u6848\u3002 <\/li>\n<li>  \u591a\u5e73\u53f0\u652f\u6301  &#xff1a;\u8c37\u6b4c\u3001\u5fae\u8f6f\u3001Netflix\u3001\u4e9a\u9a6c\u900a\u7b49\u79d1\u6280\u5de8\u5934\u5747\u652f\u6301 AV1&#xff0c;\u4ece\u786c\u4ef6\u652f\u6301\u5230\u8f6f\u4ef6\u7f16\u89e3\u7801\u5668\u7684\u5b9e\u73b0\u90fd\u6709\u5e7f\u6cdb\u7684\u5e94\u7528\u3002 <\/li>\n<\/ul>\n<p> \u5c3d\u7ba1 H.265 \u4ecd\u7136\u662f\u5f53\u524d\u5e02\u573a\u7684\u4e3b\u6d41&#xff0c;\u4f46 VP9 \u548c AV1 \u7684\u5f00\u6e90\u7279\u6027\u3001\u9ad8\u6548\u7387\u53ca\u514d\u8d39\u6a21\u5f0f\u6b63\u5728\u5feb\u901f\u63a8\u52a8\u8fd9\u4e9b\u6280\u672f\u7684\u666e\u53ca\u3002 <\/p>\n<h3> 2.3 \u7f16\u89e3\u7801\u6280\u672f\u5728DVIX\u4e2d\u7684\u5b9e\u8df5 <\/h3>\n<h4> 2.3.1 DVIX\u652f\u6301\u7684\u7f16\u89e3\u7801\u683c\u5f0f <\/h4>\n<p> DVIX&#xff08;Digital Video Information Exchange&#xff09;\u662f\u4e00\u4e2a\u865a\u6784\u7684\u6280\u672f\u672f\u8bed&#xff0c;\u4ee3\u8868\u4e86\u6211\u4eec\u8fd9\u91cc\u8ba8\u8bba\u7684\u6570\u5b57\u89c6\u9891\u4fe1\u606f\u4ea4\u6362\u6280\u672f\u3002\u5728\u73b0\u5b9e\u4e16\u754c\u7684\u6570\u5b57\u89c6\u9891\u5904\u7406\u548c\u4ea4\u6362\u9886\u57df&#xff0c;\u652f\u6301\u54ea\u4e9b\u7f16\u89e3\u7801\u683c\u5f0f\u5bf9\u4e8e\u89c6\u9891\u7684\u517c\u5bb9\u6027\u3001\u8d28\u91cf\u548c\u4f20\u8f93\u6548\u7387\u81f3\u5173\u91cd\u8981\u3002 <\/p>\n<p> \u4e00\u4e2aDVIX\u7cfb\u7edf\u53ef\u80fd\u9700\u8981\u652f\u6301\u4ee5\u4e0b\u51e0\u79cd\u7f16\u89e3\u7801\u683c\u5f0f&#xff1a; <\/p>\n<ul>\n<li>  H.264  &#xff1a;\u4f5c\u4e3a\u5e7f\u6cdb\u652f\u6301\u7684\u89c6\u9891\u7f16\u7801\u683c\u5f0f&#xff0c;H.264 \u662f\u5927\u591a\u6570\u73b0\u4ee3\u64ad\u653e\u5668\u548c\u6d4f\u89c8\u5668\u6240\u5fc5\u9700\u7684\u3002\u5b83\u4e5f\u9002\u7528\u4e8e\u591a\u79cd\u89c6\u9891\u4f1a\u8bae\u548c\u6d41\u5a92\u4f53\u670d\u52a1\u3002 <\/li>\n<li>  H.265\/HEVC  &#xff1a;\u5bf9\u4e8e\u9ad8\u8d28\u91cf\u89c6\u9891\u5185\u5bb9&#xff0c;\u59824K\u548c8K\u89c6\u9891\u6d41&#xff0c;H.265 \u63d0\u4f9b\u4e86\u65e0\u53ef\u5339\u654c\u7684\u538b\u7f29\u6548\u7387\u3002\u7136\u800c&#xff0c;\u9700\u8981\u8003\u8651H.265\u7f16\u89e3\u7801\u5668\u5bf9\u786c\u4ef6\u7684\u8981\u6c42\u3002 <\/li>\n<li>  VP9  &#xff1a;\u8c37\u6b4c\u4e3b\u5bfc\u7684\u89c6\u9891\u7f16\u89e3\u7801\u6280\u672f&#xff0c;\u514d\u7248\u7a0e\u4e14\u5177\u5907\u8f83\u9ad8\u7684\u538b\u7f29\u6548\u7387&#xff0c;\u5c24\u5176\u9002\u7528\u4e8e\u5f00\u6e90\u73af\u5883\u548c\u7f51\u7edc\u89c6\u9891\u670d\u52a1\u3002 <\/li>\n<li>  AV1  &#xff1a;\u4f5c\u4e3a\u65b0\u5174\u7684\u7f16\u89e3\u7801\u6807\u51c6&#xff0c;AV1\u57282023\u5e74\u4ecd\u5904\u4e8e\u63a8\u5e7f\u9636\u6bb5&#xff0c;\u4f46\u5728\u672a\u6765\u51e0\u5e74\u53ef\u80fd\u4f1a\u6210\u4e3a\u4e3b\u8981\u7684\u89c6\u9891\u7f16\u7801\u683c\u5f0f\u3002 <\/li>\n<\/ul>\n<p> \u5728DVIX\u4e2d&#xff0c;\u7cfb\u7edf\u8bbe\u8ba1\u8005\u9700\u8981\u5e73\u8861\u8003\u8651\u5bf9\u4e0a\u8ff0\u683c\u5f0f\u7684\u652f\u6301\u7a0b\u5ea6&#xff0c;\u4ee5\u53ca\u8fd9\u4e9b\u7f16\u89e3\u7801\u5668\u5bf9\u8ba1\u7b97\u8d44\u6e90\u548c\u5b58\u50a8\u7a7a\u95f4\u7684\u8981\u6c42\u3002 <\/p>\n<h4> 2.3.2 \u7f16\u89e3\u7801\u6027\u80fd\u5bf9\u6bd4\u53ca\u9009\u62e9\u6307\u5357 <\/h4>\n<p> \u9009\u62e9\u5408\u9002\u7684\u7f16\u89e3\u7801\u6280\u672f\u9700\u8981\u8003\u8651\u591a\u4e2a\u56e0\u7d20&#xff0c;\u5305\u62ec\u4f46\u4e0d\u9650\u4e8e&#xff1a; <\/p>\n<ul>\n<li>  \u89c6\u9891\u8d28\u91cf\u8981\u6c42  &#xff1a;\u4e0d\u540c\u5e94\u7528\u5bf9\u89c6\u9891\u8d28\u91cf\u7684\u8981\u6c42\u5dee\u5f02\u8f83\u5927&#xff0c;\u4ece\u79fb\u52a8\u8bbe\u5907\u7684\u4f4e\u5206\u8fa8\u7387\u89c6\u9891\u5230\u7535\u5f71\u9662\u76844K\u30018K\u5185\u5bb9&#xff0c;\u8981\u6c42\u4e0d\u540c\u7684\u538b\u7f29\u7387\u548c\u8d28\u91cf\u3002 <\/li>\n<li>  \u8ba1\u7b97\u8d44\u6e90  &#xff1a;\u9ad8\u6548\u538b\u7f29\u89c6\u9891\u53ef\u80fd\u9700\u8981\u590d\u6742\u7684\u7b97\u6cd5&#xff0c;\u4ece\u800c\u9700\u8981\u66f4\u5f3a\u5927\u7684CPU\u548cGPU\u8d44\u6e90\u3002\u8fd9\u53ef\u80fd\u9650\u5236\u4e86\u67d0\u4e9b\u8bbe\u5907\u6216\u5e94\u7528\u5bf9\u7f16\u89e3\u7801\u5668\u7684\u9009\u62e9\u3002 <\/li>\n<li>  \u6210\u672c\u8003\u8651  &#xff1a;\u4f7f\u7528\u67d0\u4e9b\u7f16\u89e3\u7801\u5668\u53ef\u80fd\u9700\u8981\u652f\u4ed8\u4e13\u5229\u8d39\u7528&#xff0c;\u800c\u9009\u62e9\u5f00\u6e90\u7f16\u89e3\u7801\u5668\u5219\u53ef\u80fd\u663e\u8457\u964d\u4f4e\u8fd9\u4e9b\u6210\u672c\u3002 <\/li>\n<li>  \u517c\u5bb9\u6027\u548c\u666e\u53ca\u5ea6  &#xff1a;\u67d0\u4e9b\u7f16\u89e3\u7801\u5668\u5728\u7279\u5b9a\u5e73\u53f0\u6216\u8bbe\u5907\u4e0a\u7684\u666e\u53ca\u5ea6\u66f4\u9ad8&#xff0c;\u8fd9\u53ef\u80fd\u5f71\u54cd\u5185\u5bb9\u53d1\u5e03\u8005\u548c\u89c2\u4f17\u7684\u517c\u5bb9\u6027\u4f53\u9a8c\u3002 <\/li>\n<li>  \u5e26\u5bbd\u548c\u5b58\u50a8\u9650\u5236  &#xff1a;\u5bf9\u4e8e\u6d41\u5a92\u4f53\u670d\u52a1\u6216\u89c6\u9891\u5206\u53d1\u7f51\u7edc&#xff0c;\u6709\u9650\u7684\u5e26\u5bbd\u6216\u5b58\u50a8\u7a7a\u95f4\u8981\u6c42\u4f7f\u7528\u9ad8\u6548\u7684\u7f16\u7801\u6280\u672f\u3002 <\/li>\n<\/ul>\n<p> \u5728DVIX\u7cfb\u7edf\u4e2d&#xff0c;\u7f16\u89e3\u7801\u5668\u7684\u9009\u62e9\u5e94\u6839\u636e\u5b9e\u9645\u5e94\u7528\u573a\u666f\u8fdb\u884c\u5b9a\u5236&#xff0c;\u540c\u65f6\u4e5f\u8981\u517c\u987e\u672a\u6765\u7684\u53ef\u6269\u5c55\u6027\u548c\u517c\u5bb9\u6027\u3002\u4f8b\u5982&#xff0c;\u5bf9\u4e8e\u9700\u8981\u9ad8\u6548\u7387\u538b\u7f29\u548c\u5e7f\u6cdb\u8bbe\u5907\u652f\u6301\u7684\u573a\u666f&#xff0c;H.265\u53ef\u80fd\u662f\u5408\u9002\u7684\u9009\u62e9\u3002\u800c\u5bf9\u4e8e\u9700\u8981\u5f00\u6e90\u548c\u514d\u8d39\u7684\u7f16\u89e3\u7801\u6280\u672f\u7684\u573a\u666f&#xff0c;\u5219\u53ef\u80fd\u4f18\u5148\u8003\u8651VP9\u6216AV1\u3002\u901a\u8fc7\u5bf9\u6bd4\u4e0d\u540c\u7684\u7f16\u89e3\u7801\u6027\u80fd&#xff0c;\u8bbe\u8ba1\u8005\u53ef\u4ee5\u4e3aDVIX\u7cfb\u7edf\u5236\u5b9a\u5408\u9002\u7684\u7f16\u7801\u7b56\u7565\u3002 <\/p>\n<p> \u8bf7\u6ce8\u610f&#xff0c;\u7531\u4e8eDVIX\u662f\u4e00\u4e2a\u865a\u6784\u7684\u6280\u672f\u672f\u8bed&#xff0c;\u4e0a\u8ff0\u793a\u4f8b\u5185\u5bb9\u662f\u57fa\u4e8e\u5047\u8bbe\u7684\u73af\u5883\u6784\u5efa\u7684\u3002\u5728\u5b9e\u9645\u5e94\u7528\u4e2d&#xff0c;DVIX\u6280\u672f\u6216\u7c7b\u4f3c\u7684\u5b9e\u9645\u6280\u672f\u5c06\u53ef\u80fd\u6709\u5b83\u4eec\u81ea\u5df1\u7684\u6807\u51c6\u548c\u5e94\u7528\u6848\u4f8b\u3002 <\/p>\n<h2> 3. \u5ba2\u6237\u7aef\/\u670d\u52a1\u5668\u67b6\u6784\u5b9e\u73b0 <\/h2>\n<h3> 3.1 \u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u7684\u57fa\u672c\u6982\u5ff5 <\/h3>\n<h4> 3.1.1 \u5ba2\u6237\u7aef-\u670d\u52a1\u5668\u6a21\u578b\u4ecb\u7ecd <\/h4>\n<p> \u5ba2\u6237\u7aef-\u670d\u52a1\u5668\u6a21\u578b&#xff08;Client-Server Model&#xff09;\u662f\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d\u7684\u4e00\u79cd\u57fa\u7840\u67b6\u6784\u6a21\u5f0f&#xff0c;\u5e7f\u6cdb\u5e94\u7528\u4e8e\u4e92\u8054\u7f51\u670d\u52a1\u3002\u5728\u8fd9\u4e2a\u6a21\u578b\u4e2d&#xff0c;\u5ba2\u6237\u7aef\u5411\u670d\u52a1\u5668\u53d1\u9001\u8bf7\u6c42&#xff0c;\u670d\u52a1\u5668\u5904\u7406\u8fd9\u4e9b\u8bf7\u6c42&#xff0c;\u5e76\u5c06\u54cd\u5e94\u7ed3\u679c\u8fd4\u56de\u7ed9\u5ba2\u6237\u7aef\u3002\u5ba2\u6237\u7aef\u901a\u5e38\u662f\u6307\u7528\u6237\u64cd\u4f5c\u7684\u8bbe\u5907&#xff0c;\u5b83\u6267\u884c\u7528\u6237\u754c\u9762\u5e76\u63d0\u4f9b\u7528\u6237\u4ea4\u4e92&#xff0c;\u800c\u670d\u52a1\u5668\u5219\u63d0\u4f9b\u6570\u636e\u5b58\u50a8\u3001\u5904\u7406\u548c\u901a\u4fe1\u670d\u52a1\u3002 <\/p>\n<p> \u5ba2\u6237\u7aef-\u670d\u52a1\u5668\u67b6\u6784\u7684\u5173\u952e\u7279\u70b9\u5305\u62ec&#xff1a; <\/p>\n<ul>\n<li>  \u670d\u52a1\u5668\u7aef\u7684\u670d\u52a1\u6027  &#xff1a;\u670d\u52a1\u5668\u54cd\u5e94\u6765\u81ea\u5ba2\u6237\u7aef\u7684\u8bf7\u6c42&#xff0c;\u5b8c\u6210\u5177\u4f53\u7684\u529f\u80fd\u5b9e\u73b0&#xff0c;\u5982\u6570\u636e\u5e93\u67e5\u8be2\u3001\u6587\u4ef6\u5b58\u50a8\u7b49\u3002 <\/li>\n<li>  \u5ba2\u6237\u7aef\u7684\u7528\u6237\u63a5\u53e3\u6027  &#xff1a;\u5ba2\u6237\u7aef\u8d1f\u8d23\u4e0e\u7528\u6237\u76f4\u63a5\u4ea4\u4e92&#xff0c;\u5448\u73b0\u4fe1\u606f&#xff0c;\u5e76\u5c06\u7528\u6237\u64cd\u4f5c\u8f6c\u5316\u4e3a\u670d\u52a1\u5668\u53ef\u4ee5\u7406\u89e3\u7684\u8bf7\u6c42\u3002 <\/li>\n<li>  \u72ec\u7acb\u6027\u4e0e\u53ef\u6269\u5c55\u6027  &#xff1a;\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u53ef\u4ee5\u72ec\u7acb\u66f4\u65b0\u548c\u6269\u5c55&#xff0c;\u4ee5\u9002\u5e94\u65b0\u7684\u9700\u6c42\u3002 <\/li>\n<\/ul>\n<h4> 3.1.2 \u5ba2\u6237\u7aef\u4e0e\u670d\u52a1\u5668\u7684\u6570\u636e\u4ea4\u6362\u6d41\u7a0b <\/h4>\n<p> \u5728\u5ba2\u6237\u7aef\u4e0e\u670d\u52a1\u5668\u4e4b\u95f4\u8fdb\u884c\u6570\u636e\u4ea4\u6362\u7684\u6d41\u7a0b\u4e3b\u8981\u9075\u5faa\u4ee5\u4e0b\u6b65\u9aa4&#xff1a; <\/p>\n<li>  \u8bf7\u6c42\u5efa\u7acb  &#xff1a;\u5ba2\u6237\u7aef\u9996\u5148\u521d\u59cb\u5316\u4e00\u4e2a\u8bf7\u6c42&#xff0c;\u6bd4\u5982HTTP\u8bf7\u6c42&#xff0c;\u5176\u4e2d\u5305\u542b\u5fc5\u8981\u7684\u6307\u4ee4\u548c\u53c2\u6570\u3002 <\/li>\n<li>  \u8bf7\u6c42\u53d1\u9001  &#xff1a;\u8bf7\u6c42\u901a\u8fc7\u7f51\u7edc\u53d1\u9001\u5230\u670d\u52a1\u5668&#xff0c;\u8fd9\u4e2a\u8fc7\u7a0b\u4e2d\u53ef\u80fd\u6d89\u53ca\u5230\u591a\u79cd\u7f51\u7edc\u534f\u8bae\u548c\u901a\u4fe1\u673a\u5236\u3002 <\/li>\n<li>  \u8bf7\u6c42\u5904\u7406  &#xff1a;\u670d\u52a1\u5668\u63a5\u6536\u5230\u8bf7\u6c42\u540e&#xff0c;\u6839\u636e\u8bf7\u6c42\u7c7b\u578b\u548c\u5185\u5bb9\u8fdb\u884c\u5904\u7406\u3002\u5904\u7406\u53ef\u80fd\u5305\u62ec\u8bbf\u95ee\u6570\u636e\u5e93\u3001\u6267\u884c\u8ba1\u7b97\u7b49\u3002 <\/li>\n<li>  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<\/li>\n<h3> 3.2 \u5ba2\u6237\u7aef\u4e0e\u670d\u52a1\u5668\u7684\u901a\u4fe1\u5b9e\u73b0 <\/h3>\n<h4> 3.2.1 \u5efa\u7acb\u8fde\u63a5\u7684\u534f\u8bae\u548c\u65b9\u6cd5 <\/h4>\n<p> 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&#xff1a;\u9996\u5148\u8fdb\u884c\u4e09\u6b21\u63e1\u624b\u5efa\u7acb\u4e00\u4e2a\u7a33\u5b9a\u7684\u8fde\u63a5\u901a\u9053\u3002\u5ba2\u6237\u7aef\u53d1\u9001\u4e00\u4e2aSYN\u5305\u5230\u670d\u52a1\u5668\u7aef&#xff0c;\u670d\u52a1\u5668\u7aef\u63a5\u6536\u5230SYN\u540e\u56de\u590d\u4e00\u4e2aSYN-ACK\u5305&#xff0c;\u5ba2\u6237\u7aef\u6536\u5230\u540e\u518d\u6b21\u53d1\u9001\u4e00\u4e2aACK\u5305\u786e\u8ba4\u8fde\u63a5\u3002 <\/li>\n<li>  SSL\/TLS\u52a0\u5bc6  &#xff1a;\u5728\u654f\u611f\u6570\u636e\u4ea4\u6362\u65f6&#xff0c;\u4e3a\u4e86\u4fdd\u8bc1\u6570\u636e\u7684\u5b89\u5168\u6027&#xff0c;\u5e38\u5e38\u5728TCP\u8fde\u63a5\u4e4b\u4e0a\u5efa\u7acbSSL\/TLS\u52a0\u5bc6\u5c42&#xff0c;\u63d0\u4f9b\u6570\u636e\u52a0\u5bc6\u3001\u5b8c\u6574\u6027\u6821\u9a8c\u548c\u8eab\u4efd\u8ba4\u8bc1\u529f\u80fd\u3002 <\/li>\n<\/ul>\n<h4> 3.2.2 \u6570\u636e\u4f20\u8f93\u4e0e\u540c\u6b65\u673a\u5236 <\/h4>\n<p> \u6570\u636e\u4f20\u8f93\u9636\u6bb5&#xff0c;\u5ba2\u6237\u7aef\u4e0e\u670d\u52a1\u5668\u901a\u8fc7\u5df2\u5efa\u7acb\u7684\u8fde\u63a5\u8fdb\u884c\u6570\u636e\u4ea4\u6362\u3002\u5728\u6570\u636e\u540c\u6b65\u65b9\u9762&#xff0c;\u6709\u4ee5\u4e0b\u673a\u5236&#xff1a; <\/p>\n<ul>\n<li>  \u8bf7\u6c42-\u54cd\u5e94\u6a21\u578b  &#xff1a;\u5728\u8fd9\u79cd\u6a21\u5f0f\u4e0b&#xff0c;\u5ba2\u6237\u7aef\u53d1\u9001\u8bf7\u6c42\u5e76\u7b49\u5f85\u670d\u52a1\u5668\u54cd\u5e94\u3002\u4e00\u65e6\u6536\u5230\u54cd\u5e94&#xff0c;\u5ba2\u6237\u7aef\u53ef\u7ee7\u7eed\u53d1\u9001\u4e0b\u4e00\u4e2a\u8bf7\u6c42\u3002 <\/li>\n<li>  \u63a8\u9001\u901a\u77e5  &#xff1a;\u670d\u52a1\u5668\u53ef\u4ee5\u4e3b\u52a8\u5411\u5ba2\u6237\u7aef\u63a8\u9001\u6570\u636e\u66f4\u65b0&#xff0c;\u800c\u4e0d\u9700\u8981\u5ba2\u6237\u7aef\u7684\u8bf7\u6c42\u3002\u8fd9\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\u51cf\u5c11\u4e86\u7b49\u5f85\u65f6\u95f4&#xff0c;\u63d0\u9ad8\u4e86\u6548\u7387\u3002 <\/li>\n<li>  \u957f\u8f6e\u8be2\u4e0eWebSocket  &#xff1a;\u5728\u9700\u8981\u7ef4\u6301\u957f\u8fde\u63a5\u7684\u5e94\u7528\u4e2d&#xff0c;\u901a\u5e38\u4f7f\u7528\u957f\u8f6e\u8be2\u6216WebSocket\u6280\u672f\u4ee5\u4fdd\u6301\u8fde\u63a5\u7684\u6d3b\u8dc3&#xff0c;\u5b9e\u73b0\u5b9e\u65f6\u901a\u4fe1\u3002 <\/li>\n<\/ul>\n<h3> 3.3 \u5ba2\u6237\u7aef\u4e0e\u670d\u52a1\u5668\u67b6\u6784\u7684\u5b9e\u9645\u5e94\u7528\u6848\u4f8b <\/h3>\n<h4> 3.3.1 \u591a\u7528\u6237\u89c6\u9891\u4f1a\u8bae\u7cfb\u7edf\u67b6\u6784 <\/h4>\n<p> \u5728\u591a\u7528\u6237\u89c6\u9891\u4f1a\u8bae\u7cfb\u7edf\u4e2d&#xff0c;\u5ba2\u6237\u7aef\u5305\u62ec\u4f1a\u8bae\u53c2\u4e0e\u8005\u4f7f\u7528\u7684\u7ec8\u7aef\u8bbe\u5907&#xff0c;\u670d\u52a1\u5668\u7aef\u5219\u5305\u62ec\u4f1a\u8bae\u670d\u52a1\u3001\u4fe1\u4ee4\u670d\u52a1\u3001\u5a92\u4f53\u5904\u7406\u670d\u52a1\u7b49\u3002 <\/p>\n<ul>\n<li>  \u4fe1\u4ee4\u670d\u52a1  &#xff1a;\u8d1f\u8d23\u4ea4\u6362\u901a\u4fe1\u6240\u9700\u7684\u63a7\u5236\u4fe1\u606f&#xff0c;\u5982\u4f1a\u8bae\u9080\u8bf7\u3001\u53c2\u4e0e\u8005\u4fe1\u606f\u3001\u4f1a\u8bae\u72b6\u6001\u7b49\u3002 <\/li>\n<li>  \u5a92\u4f53\u5904\u7406\u670d\u52a1  &#xff1a;\u8d1f\u8d23\u97f3\u89c6\u9891\u7684\u7f16\u89e3\u7801\u3001\u6df7\u5408\u3001\u4f20\u8f93\u63a7\u5236\u7b49\u3002 <\/li>\n<li>  \u5b9e\u65f6\u901a\u4fe1  &#xff1a;\u89c6\u9891\u4f1a\u8bae\u8981\u6c42\u6781\u4f4e\u7684\u5ef6\u8fdf&#xff0c;\u56e0\u6b64&#xff0c;\u901a\u5e38\u91c7\u7528WebSocket\u6216\u7c7b\u4f3c\u6280\u672f\u7ef4\u6301\u5b9e\u65f6\u901a\u4fe1\u3002 <\/li>\n<li>  \u8d1f\u8f7d\u5747\u8861\u548c\u5197\u4f59\u8bbe\u8ba1  &#xff1a;\u4e3a\u4e86\u4fdd\u8bc1\u7cfb\u7edf\u7684\u9ad8\u53ef\u7528\u6027\u548c\u6269\u5c55\u6027&#xff0c;\u89c6\u9891\u4f1a\u8bae\u7cfb\u7edf\u4f1a\u91c7\u7528\u8d1f\u8f7d\u5747\u8861\u548c\u5197\u4f59\u8bbe\u8ba1\u3002 <\/li>\n<\/ul>\n<h4> 3.3.2 \u5b9e\u65f6\u89c6\u9891\u6d41\u5a92\u4f53\u670d\u52a1\u5e73\u53f0\u6848\u4f8b\u5206\u6790 <\/h4>\n<p> \u5b9e\u65f6\u89c6\u9891\u6d41\u5a92\u4f53\u670d\u52a1\u5e73\u53f0&#xff0c;\u5982\u76f4\u64ad\u5e73\u53f0&#xff0c;\u4f9d\u8d56\u4e8e\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u67b6\u6784\u6765\u5904\u7406\u89c6\u9891\u6d41\u7684\u5206\u53d1\u548c\u7ba1\u7406\u3002 <\/p>\n<ul>\n<li>  \u89c6\u9891\u6e90\u63a5\u5165  &#xff1a;\u76f4\u64ad\u5e73\u53f0\u9996\u5148\u9700\u8981\u63a5\u5165\u89c6\u9891\u6e90&#xff0c;\u8fd9\u53ef\u4ee5\u662f\u901a\u8fc7\u7f16\u7801\u5668\u4e0a\u4f20\u7684\u5b9e\u65f6\u89c6\u9891\u6d41&#xff0c;\u4e5f\u53ef\u4ee5\u662f\u9884\u5148\u5f55\u5236\u597d\u7684\u89c6\u9891\u6587\u4ef6\u3002 <\/li>\n<li>  \u6d41\u5a92\u4f53\u670d\u52a1\u5668  &#xff1a;\u7ecf\u8fc7\u7f16\u7801\u7684\u89c6\u9891\u6d41\u88ab\u53d1\u9001\u5230\u6d41\u5a92\u4f53\u670d\u52a1\u5668&#xff0c;\u8fd9\u4e9b\u670d\u52a1\u5668\u8d1f\u8d23\u89c6\u9891\u6d41\u7684\u8f6c\u7801\u3001\u5206\u53d1\u548c\u8d1f\u8f7d\u5747\u8861\u3002 <\/li>\n<li>  CDN\u52a0\u901f  &#xff1a;\u4e3a\u4e86\u5b9e\u73b0\u5927\u89c4\u6a21\u7684\u89c6\u9891\u5185\u5bb9\u5206\u53d1&#xff0c;\u7cfb\u7edf\u4f1a\u96c6\u6210\u5185\u5bb9\u5206\u53d1\u7f51\u7edc&#xff08;CDN&#xff09;&#xff0c;\u5c06\u89c6\u9891\u5185\u5bb9\u7f13\u5b58\u5230\u5168\u7403\u7684\u8fb9\u7f18\u8282\u70b9&#xff0c;\u4ece\u800c\u51cf\u5c11\u5ef6\u8fdf\u548c\u5e26\u5bbd\u538b\u529b\u3002 <\/li>\n<li>  \u7528\u6237\u4ea4\u4e92\u4e0e\u53cd\u9988  &#xff1a;\u5ba2\u6237\u7aef\u63a5\u6536\u89c6\u9891\u6d41&#xff0c;\u5e76\u63d0\u4f9b\u7528\u6237\u4ea4\u4e92\u529f\u80fd&#xff0c;\u5982\u8bc4\u8bba\u3001\u70b9\u8d5e\u548c\u5206\u4eab\u3002\u670d\u52a1\u5668\u7aef\u5904\u7406\u8fd9\u4e9b\u4ea4\u4e92\u6570\u636e&#xff0c;\u5e76\u53ef\u80fd\u6839\u636e\u7528\u6237\u7684\u89c2\u770b\u884c\u4e3a\u548c\u53cd\u9988\u8c03\u6574\u6d41\u5a92\u4f53\u5206\u53d1\u7b56\u7565\u3002 <\/li>\n<\/ul>\n<p> \u4ee5\u4e0a\u5185\u5bb9\u4ec5\u4f5c\u4e3a\u7b2c\u4e09\u7ae0\u7684\u6982\u89c8\u3002\u5728\u540e\u7eed\u8be6\u7ec6\u64b0\u5199\u65f6&#xff0c;\u6bcf\u4e2a\u7ae0\u8282\u9700\u8981\u6839\u636e\u8981\u6c42\u8fdb\u4e00\u6b65\u62d3\u5c55\u548c\u6df1\u5316&#xff0c;\u4ee5\u786e\u4fdd\u6bcf\u4e2a\u90e8\u5206\u5747\u7b26\u5408\u8bbe\u5b9a\u7684\u5b57\u6570\u3001\u7ed3\u6784\u548c\u5185\u5bb9\u8981\u6c42\u3002 <\/p>\n<h2> 4. \u7f51\u7edc\u7f16\u7a0b\u4e0e\u5e26\u5bbd\u7ba1\u7406 <\/h2>\n<h3> 4.1 \u7f51\u7edc\u7f16\u7a0b\u57fa\u7840 <\/h3>\n<h4> 4.1.1 \u7f51\u7edc\u7f16\u7a0b\u7684\u6838\u5fc3\u6982\u5ff5 <\/h4>\n<p> \u7f51\u7edc\u7f16\u7a0b\u662f\u6784\u5efa\u5206\u5e03\u5f0f\u7cfb\u7edf\u7684\u57fa\u7840&#xff0c;\u5b83\u6d89\u53ca\u5230\u8ba1\u7b97\u673a\u7f51\u7edc\u4e2d\u7684\u5e94\u7528\u5c42\u548c\u4f20\u8f93\u5c42\u3002\u6838\u5fc3\u6982\u5ff5\u5305\u62ec\u5957\u63a5\u5b57\u7f16\u7a0b\u3001\u7f51\u7edc\u534f\u8bae\u3001\u7aef\u70b9\u6807\u8bc6\u7b26&#xff08;\u5982IP\u5730\u5740\u548c\u7aef\u53e3\u53f7&#xff09;&#xff0c;\u4ee5\u53ca\u4f20\u8f93\u63a7\u5236\u534f\u8bae&#xff08;TCP&#xff09;\u548c\u7528\u6237\u6570\u636e\u62a5\u534f\u8bae&#xff08;UDP&#xff09;\u7b49\u3002\u7f51\u7edc\u7f16\u7a0b\u7684\u76ee\u6807\u662f\u4f7f\u4e0d\u540c\u5730\u7406\u4f4d\u7f6e\u7684\u8ba1\u7b97\u673a\u80fd\u591f\u901a\u8fc7\u7f51\u7edc\u8fdb\u884c\u6570\u636e\u4ea4\u6362\u3002\u5728DVIX\u6280\u672f\u4e2d&#xff0c;\u7f51\u7edc\u7f16\u7a0b\u5c24\u4e3a\u91cd\u8981&#xff0c;\u56e0\u4e3a\u5b83\u8d1f\u8d23\u5728\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u4e4b\u95f4\u4f20\u8f93\u89c6\u9891\u6570\u636e\u6d41\u3002 <\/p>\n<h4> 4.1.2 \u5e38\u7528\u7684\u7f51\u7edc\u7f16\u7a0b\u63a5\u53e3\u548c\u534f\u8bae <\/h4>\n<p> \u7f51\u7edc\u7f16\u7a0b\u4e2d\u5e38\u7528\u5230\u7684\u63a5\u53e3\u4e3b\u8981\u662fsocket API&#xff0c;\u5141\u8bb8\u7a0b\u5e8f\u5728\u4e0d\u540c\u7684\u7f51\u7edc\u7aef\u70b9\u4e4b\u95f4\u53d1\u9001\u548c\u63a5\u6536\u6570\u636e\u3002TCP\u534f\u8bae\u63d0\u4f9b\u53ef\u9760\u7684\u6570\u636e\u4f20\u8f93\u670d\u52a1&#xff0c;\u4fdd\u8bc1\u6570\u636e\u7684\u987a\u5e8f\u3001\u5b8c\u6574\u6027\u548c\u8fde\u63a5\u7684\u7a33\u5b9a\u6027\u3002\u76f8\u53cd&#xff0c;UDP\u63d0\u4f9b\u65e0\u8fde\u63a5\u7684\u5feb\u901f\u6570\u636e\u4f20\u8f93\u670d\u52a1&#xff0c;\u4f46\u4e0d\u4fdd\u8bc1\u6570\u636e\u7684\u987a\u5e8f\u548c\u5b8c\u6574\u6027\u3002\u5728\u5b9e\u65f6\u89c6\u9891\u4f20\u8f93\u7684\u573a\u666f\u4e0b&#xff0c;\u9009\u62e9TCP\u8fd8\u662fUDP\u53d6\u51b3\u4e8e\u5bf9\u6570\u636e\u4f20\u8f93\u8d28\u91cf\u7684\u9700\u6c42\u4ee5\u53ca\u5bf9\u5ef6\u8fdf\u7684\u5bb9\u5fcd\u5ea6\u3002 <\/p>\n<p>\/\/ \u793a\u4f8b&#xff1a;\u4f7f\u7528C\u8bed\u8a00\u521b\u5efa\u4e00\u4e2aTCP socket<br \/>\n#include &lt;stdio.h&gt;<br \/>\n#include &lt;stdlib.h&gt;<br \/>\n#include &lt;string.h&gt;<br \/>\n#include &lt;unistd.h&gt;<br \/>\n#include &lt;sys\/types.h&gt;<br \/>\n#include &lt;sys\/socket.h&gt;<br \/>\n#include &lt;netinet\/in.h&gt;<br \/>\n#include &lt;netdb.h&gt; <\/p>\n<p>int main() {<br \/>\n    int sockfd, portno;<br \/>\n    struct sockaddr_in serv_addr;<br \/>\n    struct hostent *server;<\/p>\n<p>    sockfd &#061; socket(AF_INET, SOCK_STREAM, 0);<br \/>\n    if (sockfd &lt; 0)<br \/>\n       error(&#034;ERROR opening socket&#034;);<br \/>\n    server &#061; gethostbyname(&#034;www.example.com&#034;);<br \/>\n    if (server &#061;&#061; NULL) {<br \/>\n        fprintf(stderr,&#034;ERROR, no such host\\\\n&#034;);<br \/>\n        exit(0);<br \/>\n    }<br \/>\n    bzero((char *) &amp;serv_addr, sizeof(serv_addr));<br \/>\n    serv_addr.sin_family &#061; AF_INET;<br \/>\n    bcopy((char *)server-&gt;h_addr,<br \/>\n         (char *)&amp;serv_addr.sin_addr.s_addr,<br \/>\n         server-&gt;h_length);<br \/>\n    serv_addr.sin_port &#061; htons(1234);<br \/>\n    \/\/ &#8230; \u8fde\u63a5\u5efa\u7acb\u540e\u4ee3\u7801\u7ee7\u7eed &#8230;<br \/>\n    return 0;<br \/>\n}<\/p>\n<p> \u4e0a\u8ff0\u4ee3\u7801\u5c55\u793a\u4e86\u4f7f\u7528C\u8bed\u8a00\u5728\u670d\u52a1\u5668\u4e0a\u521b\u5efaTCP\u5957\u63a5\u5b57\u7684\u57fa\u672c\u6b65\u9aa4\u3002\u9700\u8981\u5bf9\u6bcf\u4e2a\u51fd\u6570\u548c\u53c2\u6570\u8fdb\u884c\u7ec6\u81f4\u7684\u903b\u8f91\u5206\u6790\u548c\u53c2\u6570\u8bf4\u660e\u3002 <\/p>\n<h3> 4.2 \u5e26\u5bbd\u7ba1\u7406\u6280\u672f <\/h3>\n<h4> 4.2.1 \u5e26\u5bbd\u7ba1\u7406\u7684\u7b56\u7565\u4e0e\u65b9\u6cd5 <\/h4>\n<p> \u5e26\u5bbd\u7ba1\u7406\u662f\u786e\u4fdd\u7f51\u7edc\u8d44\u6e90\u6709\u6548\u5229\u7528\u548c\u8d28\u91cf\u63a7\u5236\u7684\u5173\u952e\u6280\u672f\u3002\u5728\u89c6\u9891\u4f20\u8f93\u4e2d&#xff0c;\u5e26\u5bbd\u7ba1\u7406\u80fd\u51cf\u5c11\u4e22\u5305\u3001\u5ef6\u8fdf\u548c\u6296\u52a8&#xff0c;\u4ece\u800c\u63d0\u9ad8\u7528\u6237\u4f53\u9a8c\u3002\u7b56\u7565\u5305\u62ec\u5e26\u5bbd\u5206\u914d\u3001\u6d41\u91cf\u6574\u5f62\u548c\u4f18\u5148\u7ea7\u8bbe\u7f6e\u7b49\u3002\u4f8b\u5982&#xff0c;\u53ef\u4ee5\u4f7f\u7528\u4ee4\u724c\u6876\u7b97\u6cd5&#xff08;Token Bucket&#xff09;\u6216\u6f0f\u6876\u7b97\u6cd5&#xff08;Leaky Bucket&#xff09;\u8fdb\u884c\u6d41\u91cf\u63a7\u5236&#xff0c;\u4ee5\u8fbe\u5230\u5e73\u6ed1\u6d41\u91cf\u548c\u907f\u514d\u7f51\u7edc\u62e5\u585e\u7684\u76ee\u7684\u3002 <\/p>\n<h4> 4.2.2 \u5b9e\u65f6\u89c6\u9891\u6d41\u7684\u5e26\u5bbd\u4f18\u5316 <\/h4>\n<p> \u4e3a\u4e86\u4f18\u5316\u5b9e\u65f6\u89c6\u9891\u6d41\u7684\u5e26\u5bbd\u4f7f\u7528&#xff0c;\u53ef\u4ee5\u91c7\u53d6\u591a\u79cd\u63aa\u65bd\u3002\u4e00\u79cd\u6709\u6548\u65b9\u6cd5\u662f\u52a8\u6001\u6bd4\u7279\u7387\u8c03\u6574&#xff08;Adaptive Bitrate Streaming, ABS&#xff09;&#xff0c;\u5b83\u6839\u636e\u5f53\u524d\u7684\u7f51\u7edc\u6761\u4ef6\u8c03\u6574\u89c6\u9891\u8d28\u91cf\u3002\u53e6\u5916&#xff0c;\u53ef\u4ee5\u4f7f\u7528\u538b\u7f29\u6280\u672f\u6765\u51cf\u5c11\u6570\u636e\u91cf&#xff0c;\u6216\u8005\u4f7f\u7528\u7f13\u5b58\u673a\u5236\u6765\u51cf\u5c11\u5bf9\u7f51\u7edc\u5e26\u5bbd\u7684\u5373\u65f6\u9700\u6c42\u3002 <\/p>\n<h3> 4.3 \u7f51\u7edc\u7f16\u7a0b\u5728DVIX\u4e2d\u7684\u5e94\u7528 <\/h3>\n<h4> 4.3.1 \u5b9e\u73b0\u7a33\u5b9a\u7684\u89c6\u9891\u6d41\u4f20\u8f93 <\/h4>\n<p> \u7f51\u7edc\u7f16\u7a0b\u5728DVIX\u6280\u672f\u4e2d\u7684\u5e94\u7528\u4e3b\u8981\u96c6\u4e2d\u5728\u5b9e\u73b0\u7a33\u5b9a\u7684\u89c6\u9891\u6d41\u4f20\u8f93\u3002\u8fd9\u8981\u6c42\u7f51\u7edc\u534f\u8bae\u80fd\u591f\u652f\u6301\u9ad8\u5e26\u5bbd\u548c\u4f4e\u5ef6\u8fdf\u7684\u9700\u6c42\u3002\u4f8b\u5982&#xff0c;RTP&#xff08;Real-time Transport Protocol&#xff09;\u901a\u5e38\u4e0eRTCP&#xff08;Real-time Control Protocol&#xff09;\u7ed3\u5408\u4f7f\u7528&#xff0c;\u80fd\u591f\u5728\u7aef\u5230\u7aef\u4e4b\u95f4\u63d0\u4f9b\u5b9e\u65f6\u4f20\u8f93\u670d\u52a1&#xff0c;\u5e76\u5141\u8bb8\u76d1\u63a7\u6570\u636e\u6d41\u7684\u8d28\u91cf\u3002 <\/p>\n<h4> 4.3.2 \u5e94\u5bf9\u7f51\u7edc\u6ce2\u52a8\u7684\u5f39\u6027\u673a\u5236 <\/h4>\n<p> \u5728\u7f51\u7edc\u6ce2\u52a8\u51fa\u73b0\u65f6&#xff0c;DVIX\u6280\u672f\u9700\u8981\u91c7\u7528\u5f39\u6027\u673a\u5236\u4ee5\u786e\u4fdd\u89c6\u9891\u6d41\u7684\u8fde\u7eed\u6027\u548c\u7a33\u5b9a\u6027\u3002\u8fd9\u5305\u62ec\u4f46\u4e0d\u9650\u4e8e\u62e5\u585e\u63a7\u5236\u3001\u6570\u636e\u5305\u91cd\u4f20\u7b56\u7565\u548c\u6296\u52a8\u7f13\u51b2\u6280\u672f\u3002\u901a\u8fc7\u5408\u7406\u7684\u5e26\u5bbd\u7ba1\u7406\u7b56\u7565\u548c\u7f51\u7edc\u7f16\u7a0b\u6280\u672f&#xff0c;\u53ef\u4ee5\u5728\u7f51\u7edc\u6761\u4ef6\u4e0d\u4f73\u65f6\u7ef4\u6301\u89c6\u9891\u670d\u52a1\u7684\u53ef\u9760\u6027\u3002 <\/p>\n<p>graph TD<br \/>\n    A[\u5f00\u59cb] &#8211;&gt; B[\u68c0\u6d4b\u7f51\u7edc\u6761\u4ef6]<br \/>\n    B &#8211;&gt; C{\u662f\u5426\u53d1\u751f\u6ce2\u52a8?}<br \/>\n    C &#8211;&gt; |\u662f| D[\u6fc0\u6d3b\u5f39\u6027\u673a\u5236]<br \/>\n    C &#8211;&gt; |\u5426| E[\u7ef4\u6301\u5f53\u524d\u4f20\u8f93\u901f\u7387]<br \/>\n    D &#8211;&gt; F[\u8c03\u6574\u6bd4\u7279\u7387\u548c\u7f13\u51b2\u7b56\u7565]<br \/>\n    E &#8211;&gt; G[\u7ee7\u7eed\u6b63\u5e38\u4f20\u8f93]<br \/>\n    F &#8211;&gt; H[\u53cd\u9988\u7f51\u7edc\u72b6\u51b5\u5e76\u4f18\u5316]<br \/>\n    G &#8211;&gt; I[\u7ed3\u675f]<br \/>\n    H &#8211;&gt; I<\/p>\n<p> \u4e0a\u8ff0\u6d41\u7a0b\u56fe\u8bf4\u660e\u4e86\u5728\u7f51\u7edc\u6ce2\u52a8\u53d1\u751f\u65f6&#xff0c;DVIX\u6280\u672f\u5982\u4f55\u52a8\u6001\u8c03\u6574\u7b56\u7565\u4ee5\u7ef4\u6301\u89c6\u9891\u6d41\u7684\u7a33\u5b9a\u4f20\u8f93\u3002\u6bcf\u4e2a\u6b65\u9aa4\u90fd\u4e0e\u7f51\u7edc\u7f16\u7a0b\u548c\u5e26\u5bbd\u7ba1\u7406\u7d27\u5bc6\u76f8\u8fde\u3002 <\/p>\n<p> \u901a\u8fc7\u4ee5\u4e0a\u5185\u5bb9&#xff0c;\u6211\u4eec\u53ef\u4ee5\u770b\u5230&#xff0c;\u7f51\u7edc\u7f16\u7a0b\u548c\u5e26\u5bbd\u7ba1\u7406\u5bf9DVIX\u6280\u672f\u7684\u7a33\u5b9a\u6027\u548c\u9ad8\u6548\u6027\u8d77\u7740\u81f3\u5173\u91cd\u8981\u7684\u4f5c\u7528\u3002\u638c\u63e1\u8fd9\u4e9b\u77e5\u8bc6\u5bf9\u4e8e\u5f00\u53d1\u51fa\u80fd\u591f\u5e94\u5bf9\u5404\u79cd\u7f51\u7edc\u73af\u5883\u6311\u6218\u7684\u9ad8\u8d28\u91cf\u89c6\u9891\u4f20\u8f93\u7cfb\u7edf\u81f3\u5173\u91cd\u8981\u3002 <\/p>\n<h2> 5. \u591a\u7ebf\u7a0b\u7f16\u7a0b\u5728\u89c6\u9891\u4f20\u8f93\u4e2d\u7684\u5e94\u7528 <\/h2>\n<p> \u5728\u73b0\u4ee3\u7684\u89c6\u9891\u4f20\u8f93\u7cfb\u7edf\u4e2d&#xff0c;\u591a\u7ebf\u7a0b\u7f16\u7a0b\u626e\u6f14\u7740\u81f3\u5173\u91cd\u8981\u7684\u89d2\u8272\u3002\u591a\u7ebf\u7a0b\u6280\u672f\u80fd\u591f\u5145\u5206\u5229\u7528\u591a\u6838CPU\u7684\u8ba1\u7b97\u80fd\u529b&#xff0c;\u63d0\u9ad8\u6570\u636e\u5904\u7406\u7684\u6548\u7387&#xff0c;\u4ece\u800c\u6539\u5584\u7528\u6237\u4f53\u9a8c\u3002\u672c\u7ae0\u8282\u5c06\u6df1\u5165\u63a2\u8ba8\u591a\u7ebf\u7a0b\u7f16\u7a0b\u7684\u539f\u7406\u3001\u5728DVIX\u4e2d\u7684\u5b9e\u73b0&#xff0c;\u4ee5\u53ca\u591a\u7ebf\u7a0b\u7f16\u7a0b\u7684\u9ad8\u7ea7\u5e94\u7528\u3002 <\/p>\n<h3> 5.1 \u591a\u7ebf\u7a0b\u7f16\u7a0b\u539f\u7406 <\/h3>\n<h4> 5.1.1 \u591a\u7ebf\u7a0b\u4e0e\u5e76\u53d1\u63a7\u5236\u57fa\u7840 <\/h4>\n<p> \u591a\u7ebf\u7a0b\u662f\u6307\u5728\u540c\u4e00\u8fdb\u7a0b\u4e2d\u540c\u65f6\u8fd0\u884c\u591a\u4e2a\u7ebf\u7a0b\u6267\u884c\u4e0d\u540c\u7684\u4efb\u52a1\u3002\u6bcf\u4e2a\u7ebf\u7a0b\u62e5\u6709\u81ea\u5df1\u7684\u7ebf\u7a0b\u4e0a\u4e0b\u6587&#xff0c;\u5305\u62ec\u7a0b\u5e8f\u8ba1\u6570\u5668\u3001\u5bc4\u5b58\u5668\u96c6\u548c\u6808\u3002\u591a\u7ebf\u7a0b\u7684\u5e76\u53d1\u6267\u884c\u5141\u8bb8\u591a\u4e2a\u4efb\u52a1\u5728\u903b\u8f91\u4e0a\u540c\u65f6\u8fdb\u884c&#xff0c;\u4f46\u5e76\u975e\u6240\u6709\u4efb\u52a1\u90fd\u53ef\u4ee5\u4efb\u610f\u5e76\u884c&#xff0c;\u9700\u8981\u5408\u7406\u5730\u5229\u7528\u5e76\u53d1\u63a7\u5236\u673a\u5236\u6765\u4fdd\u8bc1\u6570\u636e\u7684\u4e00\u81f4\u6027\u3002 <\/p>\n<p> \u5e76\u53d1\u63a7\u5236\u901a\u5e38\u6d89\u53ca\u4e92\u65a5\u9501&#xff08;Mutex&#xff09;\u3001\u4fe1\u53f7\u91cf&#xff08;Semaphore&#xff09;\u548c\u6761\u4ef6\u53d8\u91cf&#xff08;Condition Variable&#xff09;\u7b49\u540c\u6b65\u673a\u5236\u3002\u8fd9\u4e9b\u673a\u5236\u786e\u4fdd\u4e86\u5728\u5e76\u53d1\u73af\u5883\u4e0b&#xff0c;\u5bf9\u5171\u4eab\u8d44\u6e90\u7684\u8bbf\u95ee\u662f\u540c\u6b65\u7684&#xff0c;\u4ece\u800c\u907f\u514d\u7ade\u6001\u6761\u4ef6\u548c\u8d44\u6e90\u51b2\u7a81\u3002 <\/p>\n<h4> 5.1.2 \u591a\u7ebf\u7a0b\u7684\u4f18\u52bf\u4e0e\u6311\u6218 <\/h4>\n<p> \u591a\u7ebf\u7a0b\u7684\u4f18\u52bf\u5728\u4e8e\u5b83\u80fd\u63d0\u5347\u7a0b\u5e8f\u7684\u54cd\u5e94\u6027\u3001\u541e\u5410\u91cf\u548c\u8d44\u6e90\u5229\u7528\u7387\u3002\u5728\u89c6\u9891\u4f20\u8f93\u9886\u57df&#xff0c;\u591a\u7ebf\u7a0b\u53ef\u4ee5\u4f7f\u5f97\u89c6\u9891\u6570\u636e\u7684\u7f16\u89e3\u7801\u3001\u7f51\u7edc\u4f20\u8f93\u548c\u64ad\u653e\u7b49\u591a\u4e2a\u73af\u8282\u5e76\u884c\u5904\u7406&#xff0c;\u63d0\u9ad8\u6548\u7387\u3002 <\/p>\n<p> \u7136\u800c&#xff0c;\u591a\u7ebf\u7a0b\u4e5f\u5e26\u6765\u4e86\u6311\u6218\u3002\u8bbe\u8ba1\u548c\u5b9e\u73b0\u7ebf\u7a0b\u5b89\u5168\u7684\u4ee3\u7801\u6bd4\u8f83\u590d\u6742&#xff0c;\u5bb9\u6613\u53d1\u751f\u6b7b\u9501\u3001\u7ade\u6001\u6761\u4ef6\u7b49\u5e76\u53d1\u95ee\u9898\u3002\u6b64\u5916&#xff0c;\u8fc7\u591a\u7684\u7ebf\u7a0b\u53ef\u80fd\u5f15\u8d77\u7ebf\u7a0b\u4e0a\u4e0b\u6587\u5207\u6362\u7684\u5f00\u9500&#xff0c;\u964d\u4f4e\u6027\u80fd\u3002\u56e0\u6b64&#xff0c;\u5408\u7406\u5730\u8bbe\u8ba1\u7ebf\u7a0b\u6570\u91cf\u548c\u7ba1\u7406\u7ebf\u7a0b\u751f\u547d\u5468\u671f\u6210\u4e3a\u591a\u7ebf\u7a0b\u7f16\u7a0b\u7684\u5173\u952e\u3002 <\/p>\n<h3> 5.2 \u591a\u7ebf\u7a0b\u6280\u672f\u5728DVIX\u4e2d\u7684\u5b9e\u73b0 <\/h3>\n<h4> 5.2.1 \u89c6\u9891\u6570\u636e\u5904\u7406\u7684\u7ebf\u7a0b\u6a21\u578b <\/h4>\n<p> \u5728DVIX\u7cfb\u7edf\u4e2d&#xff0c;\u89c6\u9891\u6570\u636e\u5904\u7406\u901a\u5e38\u91c7\u7528\u751f\u4ea7\u8005-\u6d88\u8d39\u8005\u6a21\u578b\u3002\u751f\u4ea7\u8005\u7ebf\u7a0b\u8d1f\u8d23\u83b7\u53d6\u89c6\u9891\u6570\u636e\u5e76\u8fdb\u884c\u9884\u5904\u7406&#xff0c;\u800c\u6d88\u8d39\u8005\u7ebf\u7a0b\u5219\u5904\u7406\u8fd9\u4e9b\u6570\u636e&#xff0c;\u5982\u8fdb\u884c\u7f16\u89e3\u7801\u548c\u53d1\u9001\u3002\u591a\u7ebf\u7a0b\u53ef\u4ee5\u5c06\u4efb\u52a1\u7ec6\u5206\u4e3a\u66f4\u5c0f\u7684\u90e8\u5206&#xff0c;\u4ece\u800c\u5e76\u884c\u5904\u7406\u4ee5\u63d0\u9ad8\u6548\u7387\u3002 <\/p>\n<p> \u4f8b\u5982&#xff0c;\u4f7f\u7528C&#043;&#043;11\u53ca\u4ee5\u4e0a\u7248\u672c\u7684\u7ebf\u7a0b\u5e93\u53ef\u4ee5\u8f7b\u677e\u5b9e\u73b0\u591a\u7ebf\u7a0b\u6a21\u578b\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u591a\u7ebf\u7a0b\u751f\u4ea7\u8005-\u6d88\u8d39\u8005\u6a21\u578b\u7684\u4ee3\u7801\u793a\u4f8b&#xff1a; <\/p>\n<p>#include &lt;thread&gt;<br \/>\n#include &lt;queue&gt;<br \/>\n#include &lt;mutex&gt;<br \/>\n#include &lt;condition_variable&gt;<br \/>\n#include &lt;iostream&gt;<\/p>\n<p>std::mutex mtx;<br \/>\nstd::condition_variable cv;<br \/>\nstd::queue&lt;int&gt; q;<br \/>\nbool done &#061; false;<\/p>\n<p>void producer() {<br \/>\n    for (int i &#061; 0; i &lt; 10; &#043;&#043;i) {<br \/>\n        std::this_thread::sleep_for(std::chrono::milliseconds(100));<br \/>\n        std::unique_lock&lt;std::mutex&gt; lck(mtx);<br \/>\n        q.push(i);<br \/>\n        lck.unlock();<br \/>\n        cv.notify_one();<br \/>\n    }<br \/>\n    std::lock_guard&lt;std::mutex&gt; lck(mtx);<br \/>\n    done &#061; true;<br \/>\n    cv.notify_one();<br \/>\n}<\/p>\n<p>void consumer() {<br \/>\n    while (true) {<br \/>\n        std::unique_lock&lt;std::mutex&gt; lck(mtx);<br \/>\n        cv.wait(lck, [] { return !q.empty() || done; });<br \/>\n        if (done &amp;&amp; q.empty()) {<br \/>\n            break;<br \/>\n        }<br \/>\n        int i &#061; q.front();<br \/>\n        q.pop();<br \/>\n        lck.unlock();<br \/>\n        std::cout &lt;&lt; &#034;i: &#034; &lt;&lt; i &lt;&lt; &#039;\\\\n&#039;;<br \/>\n    }<br \/>\n}<\/p>\n<p>int main() {<br \/>\n    std::thread producer_thread(producer);<br \/>\n    std::thread consumer_thread(consumer);<br \/>\n    producer_thread.join();<br \/>\n    consumer_thread.join();<br \/>\n    return 0;<br \/>\n}<\/p>\n<h4> 5.2.2 \u7ebf\u7a0b\u540c\u6b65\u4e0e\u901a\u4fe1\u673a\u5236 <\/h4>\n<p> \u5728\u7ebf\u7a0b\u6a21\u578b\u4e2d&#xff0c;\u7ebf\u7a0b\u95f4\u7684\u540c\u6b65\u548c\u901a\u4fe1\u81f3\u5173\u91cd\u8981\u3002\u4e0a\u6587\u7684\u4ee3\u7801\u4e2d\u4f7f\u7528\u4e86  std::mutex  \u548c  std::condition_variable  \u6765\u540c\u6b65\u7ebf\u7a0b\u548c\u63a7\u5236\u7ebf\u7a0b\u95f4\u7684\u901a\u4fe1\u3002  std::mutex  \u4fdd\u8bc1\u540c\u4e00\u65f6\u95f4\u53ea\u6709\u4e00\u4e2a\u7ebf\u7a0b\u80fd\u8bbf\u95ee\u5171\u4eab\u8d44\u6e90&#xff0c;\u800c  std::condition_variable  \u7528\u4e8e\u7ebf\u7a0b\u95f4\u7684\u901a\u77e5\u673a\u5236&#xff0c;\u786e\u4fdd\u7b49\u5f85\u6761\u4ef6\u6ee1\u8db3\u65f6\u5524\u9192\u7ebf\u7a0b\u3002 <\/p>\n<h3> 5.3 \u591a\u7ebf\u7a0b\u7f16\u7a0b\u7684\u9ad8\u7ea7\u5e94\u7528 <\/h3>\n<h4> 5.3.1 \u670d\u52a1\u5668\u7aef\u7684\u7ebf\u7a0b\u6c60\u5b9e\u73b0 <\/h4>\n<p> \u670d\u52a1\u5668\u7aef\u7684\u7ebf\u7a0b\u6c60\u662f\u4e00\u79cd\u9884\u5148\u521b\u5efa\u4e00\u7ec4\u5de5\u4f5c\u7ebf\u7a0b&#xff0c;\u7531\u7ebf\u7a0b\u6c60\u7ba1\u7406\u5668\u7edf\u4e00\u5206\u914d\u548c\u8c03\u5ea6\u4efb\u52a1\u7684\u591a\u7ebf\u7a0b\u5b9e\u73b0\u65b9\u5f0f\u3002\u7ebf\u7a0b\u6c60\u80fd\u51cf\u5c11\u5728\u591a\u7ebf\u7a0b\u73af\u5883\u4e0b\u9891\u7e41\u521b\u5efa\u548c\u9500\u6bc1\u7ebf\u7a0b\u5e26\u6765\u7684\u5f00\u9500&#xff0c;\u63d0\u9ad8\u7cfb\u7edf\u7684\u6027\u80fd\u3002 <\/p>\n<p> \u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u7ebf\u7a0b\u6c60\u5b9e\u73b0\u793a\u4f8b&#xff1a; <\/p>\n<p>#include &lt;vector&gt;<br \/>\n#include &lt;queue&gt;<br \/>\n#include &lt;thread&gt;<br \/>\n#include &lt;mutex&gt;<br \/>\n#include &lt;condition_variable&gt;<br \/>\n#include &lt;functional&gt;<br \/>\n#include &lt;future&gt;<br \/>\n#include &lt;stdexcept&gt;<\/p>\n<p>class ThreadPool {<br \/>\npublic:<br \/>\n    ThreadPool(size_t);<br \/>\n    template&lt;class F, class&#8230; Args&gt;<br \/>\n    auto enqueue(F&amp;&amp; f, Args&amp;&amp;&#8230; args)<br \/>\n        -&gt; std::future&lt;typename std::result_of&lt;F(Args&#8230;)&gt;::type&gt;;<br \/>\n    ~ThreadPool();<br \/>\nprivate:<br \/>\n    \/\/ \u9700\u8981\u8ddf\u8e2a\u5305\u542b\u7684\u7ebf\u7a0b<br \/>\n    std::vector&lt; std::thread &gt; workers;<br \/>\n    \/\/ \u4efb\u52a1\u961f\u5217<br \/>\n    std::queue&lt; std::function&lt;void()&gt; &gt; tasks;<br \/>\n    \/\/ \u540c\u6b65<br \/>\n    std::mutex queue_mutex;<br \/>\n    std::condition_variable condition;<br \/>\n    bool stop;<br \/>\n};<\/p>\n<p>\/\/ \u6784\u9020\u51fd\u6570\u542f\u52a8\u4e00\u5b9a\u6570\u91cf\u7684\u5de5\u4f5c\u7ebf\u7a0b<br \/>\nThreadPool::ThreadPool(size_t threads)<br \/>\n    :   stop(false)<br \/>\n{<br \/>\n    for(size_t i &#061; 0;i&lt;threads;&#043;&#043;i)<br \/>\n        workers.emplace_back(<br \/>\n            [this]<br \/>\n            {<br \/>\n                for(;;)<br \/>\n                {<br \/>\n                    std::function&lt;void()&gt; task;<\/p>\n<p>                    {<br \/>\n                        std::unique_lock&lt;std::mutex&gt; lock(this-&gt;queue_mutex);<br \/>\n                        this-&gt;condition.wait(lock,<br \/>\n                            [this]{ return this-&gt;stop || !this-&gt;tasks.empty(); });<br \/>\n                        if(this-&gt;stop &amp;&amp; this-&gt;tasks.empty())<br \/>\n                            return;<br \/>\n                        task &#061; std::move(this-&gt;tasks.front());<br \/>\n                        this-&gt;tasks.pop();<br \/>\n                    }<\/p>\n<p>                    task();<br \/>\n                }<br \/>\n            }<br \/>\n        );<br \/>\n}<\/p>\n<p>\/\/ \u6dfb\u52a0\u65b0\u7684\u5de5\u4f5c\u9879\u5230\u7ebf\u7a0b\u6c60\u4e2d<br \/>\ntemplate&lt;class F, class&#8230; Args&gt;<br \/>\nauto ThreadPool::enqueue(F&amp;&amp; f, Args&amp;&amp;&#8230; args)<br \/>\n    -&gt; std::future&lt;typename std::result_of&lt;F(Args&#8230;)&gt;::type&gt;<br \/>\n{<br \/>\n    using return_type &#061; typename std::result_of&lt;F(Args&#8230;)&gt;::type;<\/p>\n<p>    auto task &#061; std::make_shared&lt; std::packaged_task&lt;return_type()&gt; &gt;(<br \/>\n            std::bind(std::forward&lt;F&gt;(f), std::forward&lt;Args&gt;(args)&#8230;)<br \/>\n        );<br \/>\n    std::future&lt;return_type&gt; res &#061; task-&gt;get_future();<br \/>\n    {<br \/>\n        std::unique_lock&lt;std::mutex&gt; lock(queue_mutex);<\/p>\n<p>        \/\/ \u4e0d\u5141\u8bb8\u5728\u505c\u6b62\u7684\u7ebf\u7a0b\u6c60\u4e2d\u52a0\u5165\u65b0\u7684\u4efb\u52a1<br \/>\n        if(stop)<br \/>\n            throw std::runtime_error(&#034;enqueue on stopped ThreadPool&#034;);<\/p>\n<p>        tasks.emplace([task](){ (*task)(); });<br \/>\n    }<br \/>\n    condition.notify_one();<br \/>\n    return res;<br \/>\n}<\/p>\n<p>\/\/ \u6790\u6784\u51fd\u6570<br \/>\nThreadPool::~ThreadPool()<br \/>\n{<br \/>\n    {<br \/>\n        std::unique_lock&lt;std::mutex&gt; lock(queue_mutex);<br \/>\n        stop &#061; true;<br \/>\n    }<br \/>\n    condition.notify_all();<br \/>\n    for(std::thread &amp;worker: workers)<br \/>\n        worker.join();<br \/>\n}<\/p>\n<h4> 5.3.2 \u5ba2\u6237\u7aef\u7684\u591a\u8def\u590d\u7528\u4e0e\u5f02\u6b65IO <\/h4>\n<p> \u5728\u5ba2\u6237\u7aef&#xff0c;\u591a\u7ebf\u7a0b\u6280\u672f\u7ed3\u5408\u5f02\u6b65IO\u53ef\u4ee5\u63d0\u4f9b\u4e00\u4e2a\u9ad8\u6548\u7684\u975e\u963b\u585e\u4e8b\u4ef6\u5904\u7406\u6a21\u578b\u3002\u591a\u8def\u590d\u7528&#xff08;\u5982select\u3001poll\u3001epoll&#xff09;\u5141\u8bb8\u5355\u4e2a\u7ebf\u7a0b\u540c\u65f6\u76d1\u89c6\u591a\u4e2a\u6587\u4ef6\u63cf\u8ff0\u7b26\u7684IO\u4e8b\u4ef6&#xff0c;\u5f53\u67d0\u4e2a\u6587\u4ef6\u63cf\u8ff0\u7b26\u5c31\u7eea\u65f6&#xff0c;\u7cfb\u7edf\u901a\u8fc7\u56de\u8c03\u51fd\u6570\u901a\u77e5\u5e94\u7528\u7a0b\u5e8f\u8fdb\u884c\u5904\u7406\u3002 <\/p>\n<p> \u4f7f\u7528\u5f02\u6b65IO\u548c\u591a\u8def\u590d\u7528\u53ef\u4ee5\u907f\u514d\u5728\u7b49\u5f85IO\u64cd\u4f5c\u5b8c\u6210\u65f6\u963b\u585e\u7ebf\u7a0b&#xff0c;\u63d0\u9ad8\u7a0b\u5e8f\u7684\u6267\u884c\u6548\u7387\u548c\u541e\u5410\u91cf\u3002\u4f8b\u5982&#xff0c;\u5728Node.js\u4e2d&#xff0c;\u4f7f\u7528\u4e8b\u4ef6\u5faa\u73af\u548c\u5f02\u6b65\u56de\u8c03\u6765\u5904\u7406\u7f51\u7edc\u8bf7\u6c42&#xff0c;\u5c31\u662f\u4e00\u79cd\u9ad8\u6548\u7684IO\u5904\u7406\u65b9\u5f0f\u3002 <\/p>\n<p> \u4ee5\u4e0a\u5185\u5bb9\u4e3a\u6211\u4eec\u4ecb\u7ecd\u4e86\u591a\u7ebf\u7a0b\u7f16\u7a0b\u7684\u539f\u7406\u548c\u5728DVIX\u4e2d\u7684\u5e94\u7528\u3002\u591a\u7ebf\u7a0b\u6280\u672f\u80fd\u591f\u6709\u6548\u63d0\u5347\u89c6\u9891\u4f20\u8f93\u7cfb\u7edf\u7684\u6027\u80fd&#xff0c;\u4f46\u540c\u65f6\u4e5f\u5e26\u6765\u8bf8\u591a\u5e76\u53d1\u7f16\u7a0b\u7684\u6311\u6218\u3002\u7406\u89e3\u5e76\u638c\u63e1\u591a\u7ebf\u7a0b\u7f16\u7a0b\u5bf9\u4e8e\u5f00\u53d1\u9ad8\u6548\u3001\u7a33\u5b9a\u7684\u89c6\u9891\u4f20\u8f93\u7cfb\u7edf\u81f3\u5173\u91cd\u8981\u3002 <\/p>\n<h2> 6. \u6570\u636e\u4f20\u8f93\u534f\u8bae\u4f7f\u7528 <\/h2>\n<h3> 6.1 \u6570\u636e\u4f20\u8f93\u534f\u8bae\u6982\u8ff0 <\/h3>\n<h4> 6.1.1 \u6570\u636e\u4f20\u8f93\u534f\u8bae\u7684\u4f5c\u7528\u4e0e\u5206\u7c7b <\/h4>\n<p> \u6570\u636e\u4f20\u8f93\u534f\u8bae\u662f\u4e00\u5957\u89c4\u5219&#xff0c;\u7528\u4e8e\u89c4\u8303\u8ba1\u7b97\u673a\u7f51\u7edc\u4e2d\u6570\u636e\u7684\u4f20\u8f93\u65b9\u5f0f&#xff0c;\u5305\u62ec\u6570\u636e\u7684\u6253\u5305\u3001\u5bfb\u5740\u3001\u4f20\u8f93\u3001\u8def\u7531\u4ee5\u53ca\u63a5\u6536\u786e\u8ba4\u7b49\u8fc7\u7a0b\u3002\u5b83\u662f\u786e\u4fdd\u7f51\u7edc\u901a\u4fe1\u53ef\u9760\u6027\u7684\u57fa\u77f3&#xff0c;\u4f7f\u5f97\u6765\u81ea\u4e0d\u540c\u5236\u9020\u5546\u7684\u8bbe\u5907\u80fd\u591f\u901a\u8fc7\u7f51\u7edc\u4e92\u8054\u4e92\u901a\u3002 <\/p>\n<p> \u534f\u8bae\u6309\u7167\u4e0d\u540c\u7684\u7f51\u7edc\u5c42\u6b21\u53ef\u4ee5\u5206\u4e3a\u94fe\u8def\u5c42\u3001\u7f51\u7edc\u5c42\u3001\u4f20\u8f93\u5c42\u3001\u5e94\u7528\u5c42\u7b49\u3002\u5728\u6570\u636e\u4f20\u8f93\u4e2d&#xff0c;\u6bcf\u4e00\u5c42\u90fd\u6709\u5176\u5bf9\u5e94\u7684\u534f\u8bae\u6765\u5904\u7406\u76f8\u5e94\u7684\u4efb\u52a1\u3002\u4f8b\u5982&#xff0c;\u4ee5\u592a\u7f51\u534f\u8bae\u5904\u7406\u94fe\u8def\u5c42\u6570\u636e\u4f20\u8f93&#xff0c;IP\u534f\u8bae\u5904\u7406\u7f51\u7edc\u5c42\u5bfb\u5740\u548c\u6570\u636e\u5305\u4f20\u8f93&#xff0c;\u800cTCP\u548cUDP\u534f\u8bae\u5219\u4f4d\u4e8e\u4f20\u8f93\u5c42&#xff0c;\u5206\u522b\u63d0\u4f9b\u9762\u5411\u8fde\u63a5\u7684\u53ef\u9760\u4f20\u8f93\u670d\u52a1\u548c\u65e0\u8fde\u63a5\u7684\u5feb\u901f\u4f20\u8f93\u670d\u52a1\u3002 <\/p>\n<h4> 6.1.2 \u5e38\u89c1\u7684\u7f51\u7edc\u5c42\u4e0e\u4f20\u8f93\u5c42\u534f\u8bae <\/h4>\n<p> \u7f51\u7edc\u5c42\u534f\u8bae\u4e3b\u8981\u8d1f\u8d23\u6570\u636e\u5305\u7684\u8def\u7531\u9009\u62e9\u548c\u4f20\u9012&#xff0c;IP\u534f\u8bae\u662f\u6700\u5e38\u89c1\u7684\u7f51\u7edc\u5c42\u534f\u8bae&#xff0c;\u5b83\u89c4\u5b9a\u4e86\u6570\u636e\u5305\u5728\u7f51\u7edc\u4e2d\u4f20\u8f93\u7684\u57fa\u672c\u683c\u5f0f\u548c\u5bfb\u5740\u65b9\u6cd5\u3002\u4f20\u8f93\u5c42\u534f\u8bae\u5219\u5173\u6ce8\u6570\u636e\u7684\u7aef\u5230\u7aef\u4f20\u8f93&#xff0c;\u5305\u62ec\u5982\u4f55\u5728\u4e24\u4e2a\u901a\u4fe1\u5b9e\u4f53\u95f4\u5efa\u7acb\u3001\u7ef4\u62a4\u548c\u7ec8\u6b62\u8fde\u63a5\u3002 <\/p>\n<ul>\n<li> TCP (Transmission Control Protocol) \u662f\u4e00\u79cd\u9762\u5411\u8fde\u63a5\u7684\u3001\u53ef\u9760\u7684\u3001\u57fa\u4e8e\u5b57\u8282\u6d41\u7684\u4f20\u8f93\u5c42\u901a\u4fe1\u534f\u8bae\u3002\u5b83\u901a\u8fc7\u5e8f\u5217\u53f7\u3001\u786e\u8ba4\u5e94\u7b54\u3001\u8d85\u65f6\u91cd\u4f20\u548c\u6d41\u91cf\u63a7\u5236\u7b49\u673a\u5236\u786e\u4fdd\u6570\u636e\u53ef\u9760\u4f20\u8f93\u3002 <\/li>\n<li> UDP (User Datagram Protocol) \u662f\u4e00\u79cd\u65e0\u8fde\u63a5\u7684\u534f\u8bae&#xff0c;\u63d0\u4f9b\u5feb\u901f\u4f46\u4e0d\u4fdd\u8bc1\u53ef\u9760\u7684\u6570\u636e\u4f20\u8f93\u670d\u52a1\u3002UDP\u7531\u4e8e\u6ca1\u6709\u5efa\u7acb\u8fde\u63a5\u7684\u5f00\u9500&#xff0c;\u9002\u7528\u4e8e\u5b9e\u65f6\u89c6\u9891\u4f20\u8f93\u7b49\u5bf9\u5ef6\u8fdf\u654f\u611f\u7684\u5e94\u7528\u3002 <\/li>\n<\/ul>\n<h3> 6.2 RTP\u4e0eTCP\/IP\u534f\u8bae\u8be6\u89e3 <\/h3>\n<h4> 6.2.1 RTP\u534f\u8bae\u7684\u7279\u70b9\u4e0e\u5e94\u7528 <\/h4>\n<p> RTP&#xff08;Real-time Transport Protocol&#xff09;\u662f\u4e00\u79cd\u7f51\u7edc\u534f\u8bae&#xff0c;\u7528\u4e8e\u4f20\u8f93\u5b9e\u65f6\u6570\u636e\u5982\u97f3\u9891\u548c\u89c6\u9891\u3002\u5b83\u8fd0\u884c\u5728UDP\u4e0a&#xff0c;\u4e3a\u7f51\u7edc\u5e94\u7528\u63d0\u4f9b\u7aef\u5230\u7aef\u4f20\u8f93\u529f\u80fd&#xff0c;\u7279\u522b\u9002\u7528\u4e8e\u4ea4\u4e92\u5f0f\u6216\u5b9e\u65f6\u7684\u901a\u4fe1\u573a\u666f\u3002 <\/p>\n<p> RTP\u534f\u8bae\u7684\u7279\u70b9\u5305\u62ec&#xff1a; <\/p>\n<ul>\n<li> \u5e8f\u5217\u53f7\u548c\u65f6\u95f4\u6233&#xff1a;\u5e2e\u52a9\u63a5\u6536\u65b9\u91cd\u6784\u6570\u636e\u5305\u7684\u987a\u5e8f\u5e76\u540c\u6b65\u97f3\u9891\u548c\u89c6\u9891\u6d41\u3002 <\/li>\n<li> \u8d1f\u8f7d\u7c7b\u578b\u6807\u8bc6&#xff1a;RTP\u5934\u90e8\u5305\u542b\u8d1f\u8f7d\u7c7b\u578b\u5b57\u6bb5&#xff0c;\u7528\u4e8e\u6307\u793a\u6570\u636e\u8d1f\u8f7d\u7684\u683c\u5f0f\u6216\u7f16\u7801\u3002 <\/li>\n<li> \u652f\u6301\u591a\u64ad\u548c\u5355\u64ad&#xff1a;\u4f7f\u5f97\u6570\u636e\u6d41\u53ef\u4ee5\u5728\u591a\u4e2a\u63a5\u6536\u8005\u4e4b\u95f4\u5e7f\u64ad&#xff0c;\u4e5f\u652f\u6301\u70b9\u5bf9\u70b9\u4f20\u8f93\u3002 <\/li>\n<li> \u6269\u5c55\u673a\u5236&#xff1a;\u5141\u8bb8\u5b9a\u4e49\u65b0\u7684RTP\u5934\u90e8\u6269\u5c55&#xff0c;\u4ee5\u652f\u6301\u65b0\u529f\u80fd\u548c\u5e94\u7528\u3002 <\/li>\n<\/ul>\n<p> RTP\u5e38\u4e0eRTCP (Real-time Control Protocol) \u914d\u5408\u4f7f\u7528&#xff0c;RTCP\u8d1f\u8d23\u76d1\u63a7\u670d\u52a1\u8d28\u91cf&#xff08;QoS&#xff09;\u5e76\u63d0\u4f9b\u4f1a\u8bdd\u53c2\u4e0e\u8005\u7684\u4fe1\u606f\u53cd\u9988\u3002 <\/p>\n<h4> 6.2.2 TCP\/IP\u5728\u89c6\u9891\u4f20\u8f93\u4e2d\u7684\u89d2\u8272 <\/h4>\n<p> TCP\/IP\u534f\u8bae\u65cf\u662f\u4e92\u8054\u7f51\u7684\u57fa\u7840\u534f\u8bae&#xff0c;\u5b83\u5b9a\u4e49\u4e86\u6570\u636e\u5728\u4e92\u8054\u7f51\u4e0a\u4f20\u8f93\u7684\u65b9\u5f0f\u3002TCP\u4f5c\u4e3a\u4f20\u8f93\u5c42\u534f\u8bae&#xff0c;\u63d0\u4f9b\u4e86\u9762\u5411\u8fde\u63a5\u7684\u670d\u52a1&#xff0c;\u786e\u4fdd\u4e86\u6570\u636e\u5305\u7684\u987a\u5e8f\u548c\u53ef\u9760\u6027&#xff0c;\u8fd9\u5bf9\u4e8e\u975e\u5b9e\u65f6\u7684\u6587\u4ef6\u4f20\u8f93\u548c\u67d0\u4e9b\u63a7\u5236\u4fe1\u606f\u4f20\u8f93\u975e\u5e38\u5173\u952e\u3002\u4f46\u5728\u5b9e\u65f6\u89c6\u9891\u4f20\u8f93\u4e2d&#xff0c;TCP\u7684\u8fde\u63a5\u5efa\u7acb\u3001\u6162\u542f\u52a8\u3001\u62e5\u585e\u63a7\u5236\u7b49\u673a\u5236\u53ef\u80fd\u4f1a\u5f15\u5165\u4e0d\u5fc5\u8981\u7684\u5ef6\u8fdf\u3002 <\/p>\n<p> \u5c3d\u7ba1\u5982\u6b64&#xff0c;TCP\u5728\u7f51\u7edc\u6761\u4ef6\u8f83\u597d\u7684\u60c5\u51b5\u4e0b&#xff0c;\u5bf9\u4e8e\u4fdd\u8bc1\u6570\u636e\u4f20\u8f93\u7684\u53ef\u9760\u6027\u662f\u6709\u5e2e\u52a9\u7684&#xff0c;\u7279\u522b\u662f\u5728\u9700\u8981\u8fdb\u884c\u6570\u636e\u5b8c\u6574\u6027\u6821\u9a8c\u548c\u9519\u8bef\u6062\u590d\u7684\u5e94\u7528\u4e2d\u3002\u5728\u4e00\u4e9b\u60c5\u51b5\u4e0b&#xff0c;\u89c6\u9891\u4f20\u8f93\u4f1a\u91c7\u7528TCP\u7684\u534f\u8bae\u6808&#xff0c;\u7279\u522b\u662f\u5728\u6d41\u5a92\u4f53\u5e94\u7528\u7684\u63a7\u5236\u4fe1\u4ee4\u4f20\u8f93\u548c\u521d\u59cb\u89c6\u9891\u6570\u636e\u4f20\u8f93\u9636\u6bb5\u3002 <\/p>\n<h3> 6.3 \u534f\u8bae\u9009\u62e9\u4e0e\u4f18\u5316\u7b56\u7565 <\/h3>\n<h4> 6.3.1 \u6839\u636e\u573a\u666f\u9009\u62e9\u5408\u9002\u7684\u534f\u8bae <\/h4>\n<p> \u9009\u62e9\u5408\u9002\u7684\u534f\u8bae\u5bf9\u4e8e\u89c6\u9891\u4f20\u8f93\u7684\u8d28\u91cf\u548c\u6548\u7387\u81f3\u5173\u91cd\u8981\u3002\u4e0b\u9762\u662f\u4e00\u4e9b\u57fa\u672c\u7684\u6307\u5bfc\u539f\u5219&#xff1a; <\/p>\n<ul>\n<li> \u5982\u679c\u5b9e\u65f6\u6027\u8981\u6c42\u9ad8&#xff0c;\u53ef\u4ee5\u9009\u62e9RTP\/UDP\u534f\u8bae&#xff0c;\u5c24\u5176\u662f\u5728\u5bf9\u5ef6\u8fdf\u654f\u611f\u7684\u5b9e\u65f6\u89c6\u9891\u901a\u4fe1\u573a\u666f\u4e2d\u3002 <\/li>\n<li> \u5bf9\u4e8e\u5bf9\u6570\u636e\u5b8c\u6574\u6027\u8981\u6c42\u9ad8&#xff0c;\u53ef\u4ee5\u5bb9\u5fcd\u4e00\u5b9a\u5ef6\u8fdf\u7684\u573a\u666f&#xff0c;TCP\u662f\u66f4\u597d\u7684\u9009\u62e9\u3002 <\/li>\n<li> \u5728\u6df7\u5408\u4f7f\u7528\u573a\u666f\u4e0b&#xff0c;\u53ef\u4ee5\u8003\u8651\u5e94\u7528\u5c42\u534f\u8bae\u5982RTMP&#xff08;Real-Time Messaging Protocol&#xff09;\u6216HLS&#xff08;HTTP Live Streaming&#xff09;&#xff0c;\u5b83\u4eec\u7ed3\u5408\u4e86TCP\u7684\u53ef\u9760\u6027\u4e0eUDP\u7684\u5b9e\u65f6\u6027\u4f18\u70b9\u3002 <\/li>\n<li> \u5f53\u4f7f\u7528TCP\u4f20\u8f93\u89c6\u9891\u6570\u636e\u65f6&#xff0c;\u5e94\u5f53\u91c7\u7528\u9002\u5f53\u7684\u7b97\u6cd5\u5982TCP BBR&#xff08;Bottleneck Bandwidth and RTT&#xff09;\u6765\u4f18\u5316\u6570\u636e\u6d41\u7684\u541e\u5410\u91cf\u548c\u5ef6\u8fdf\u3002 <\/li>\n<\/ul>\n<h4> 6.3.2 \u534f\u8bae\u4f18\u5316\u6280\u5de7\u4e0e\u6027\u80fd\u8bc4\u4f30 <\/h4>\n<p> \u534f\u8bae\u4f18\u5316\u662f\u4e00\u4e2a\u6301\u7eed\u7684\u8fc7\u7a0b&#xff0c;\u6d89\u53ca\u5bf9\u534f\u8bae\u6808\u5404\u5c42\u53c2\u6570\u7684\u8c03\u6574\u548c\u4f18\u5316\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u89c1\u7684\u4f18\u5316\u6280\u5de7&#xff1a; <\/p>\n<ul>\n<li> \u5bf9\u4e8eTCP\u534f\u8bae&#xff0c;\u53ef\u4ee5\u5c1d\u8bd5\u8c03\u6574\u62e5\u585e\u7a97\u53e3\u5927\u5c0f\u3001\u91cd\u4f20\u8d85\u65f6\u65f6\u95f4\u7b49\u53c2\u6570&#xff0c;\u4ee5\u9002\u5e94\u4e0d\u540c\u7684\u7f51\u7edc\u6761\u4ef6\u3002 <\/li>\n<li> \u5728RTP\/UDP\u4f20\u8f93\u4e2d&#xff0c;\u53ef\u4ee5\u901a\u8fc7\u8c03\u6574Jitter\u7f13\u51b2\u533a\u7684\u5927\u5c0f\u6765\u9002\u5e94\u7f51\u7edc\u6296\u52a8&#xff0c;\u540c\u65f6\u4f7f\u7528\u4e22\u5305\u8865\u507f\u6280\u672f\u51cf\u5c11\u8d28\u91cf\u635f\u5931\u3002 <\/li>\n<li> \u6027\u80fd\u8bc4\u4f30\u901a\u5e38\u6d89\u53ca\u5ef6\u65f6\u3001\u4e22\u5305\u7387\u3001\u541e\u5410\u91cf\u7b49\u6307\u6807\u7684\u6d4b\u91cf\u3002\u53ef\u4ee5\u4f7f\u7528\u7f51\u7edc\u6027\u80fd\u6d4b\u8bd5\u5de5\u5177\u5982iperf\u3001hping3\u6765\u6d4b\u8bd5\u7f51\u7edc\u7684\u5b9e\u9645\u4f20\u8f93\u6027\u80fd\u3002 <\/li>\n<\/ul>\n<p> \u6b64\u5916&#xff0c;\u5f00\u53d1\u4eba\u5458\u548c\u7f51\u7edc\u5de5\u7a0b\u5e08\u5e94\u5f53\u4fdd\u6301\u5bf9\u6700\u65b0\u7f51\u7edc\u534f\u8bae\u548c\u5de5\u5177\u7684\u5173\u6ce8&#xff0c;\u4ee5\u5b9e\u73b0\u6700\u4f18\u7684\u6570\u636e\u4f20\u8f93\u6027\u80fd\u3002\u5728\u5b9e\u9645\u5e94\u7528\u4e2d&#xff0c;\u6839\u636e\u7f51\u7edc\u72b6\u51b5\u3001\u7ec8\u7aef\u8bbe\u5907\u80fd\u529b\u4ee5\u53ca\u4e1a\u52a1\u9700\u6c42\u7075\u6d3b\u9009\u62e9\u548c\u4f18\u5316\u534f\u8bae&#xff0c;\u662f\u63d0\u9ad8\u89c6\u9891\u4f20\u8f93\u8d28\u91cf\u7684\u5173\u952e\u3002 <\/p>\n<h2> 7. \u9519\u8bef\u5904\u7406\u673a\u5236\u7684\u5b9e\u73b0 <\/h2>\n<p> \u9519\u8bef\u5904\u7406\u662f\u786e\u4fdd\u89c6\u9891\u4f20\u8f93\u7cfb\u7edf\u7a33\u5b9a\u8fd0\u884c\u7684\u5173\u952e\u7ec4\u6210\u90e8\u5206\u3002\u5728\u89c6\u9891\u6d41\u5a92\u4f53\u4f20\u8f93\u8fc7\u7a0b\u4e2d&#xff0c;\u53ef\u80fd\u4f1a\u9047\u5230\u591a\u79cd\u7f51\u7edc\u95ee\u9898&#xff0c;\u6bd4\u5982\u4e22\u5305\u3001\u5ef6\u8fdf\u3001\u6296\u52a8\u3001\u751a\u81f3\u7f51\u7edc\u65ad\u7ebf\u7b49&#xff0c;\u8fd9\u4e9b\u90fd\u4f1a\u5f71\u54cd\u6700\u7ec8\u7684\u7528\u6237\u4f53\u9a8c\u3002\u56e0\u6b64&#xff0c;\u6784\u5efa\u4e00\u4e2a\u5065\u5168\u7684\u9519\u8bef\u5904\u7406\u673a\u5236\u5bf9\u4e8eDVIX\u6280\u672f\u81f3\u5173\u91cd\u8981\u3002 <\/p>\n<h3> 7.1 \u9519\u8bef\u5904\u7406\u5728\u89c6\u9891\u4f20\u8f93\u4e2d\u7684\u91cd\u8981\u6027 <\/h3>\n<h4> 7.1.1 \u5e38\u89c1\u7684\u7f51\u7edc\u9519\u8bef\u4e0e\u5f71\u54cd <\/h4>\n<p> \u7f51\u7edc\u9519\u8bef\u4f1a\u4ee5\u591a\u79cd\u5f62\u5f0f\u51fa\u73b0&#xff0c;\u5176\u4e2d\u4e00\u4e9b\u5e38\u89c1\u7684\u5305\u62ec&#xff1a; <\/p>\n<ul>\n<li>  \u4e22\u5305  &#xff1a;\u5728\u7f51\u7edc\u4f20\u8f93\u4e2d&#xff0c;\u7531\u4e8e\u7f51\u7edc\u62e5\u585e\u6216\u8bbe\u5907\u6545\u969c&#xff0c;\u6570\u636e\u5305\u53ef\u80fd\u4f1a\u4e22\u5931&#xff0c;\u8fd9\u4f1a\u5bfc\u81f4\u89c6\u9891\u64ad\u653e\u4e2d\u51fa\u73b0\u5361\u987f\u6216\u7a7a\u767d\u3002 <\/li>\n<li>  \u5ef6\u8fdf  &#xff1a;\u6570\u636e\u5305\u5728\u7f51\u7edc\u4e2d\u4f20\u8f93\u65f6\u53ef\u80fd\u4f1a\u9047\u5230\u4e0d\u5fc5\u8981\u7684\u5ef6\u8fdf&#xff0c;\u8fd9\u4f1a\u5f71\u54cd\u89c6\u9891\u7684\u5b9e\u65f6\u6027\u3002 <\/li>\n<li>  \u6296\u52a8  &#xff1a;\u5982\u679c\u6570\u636e\u5305\u5230\u8fbe\u65f6\u95f4\u4e0d\u4e00\u81f4&#xff0c;\u4f1a\u5bfc\u81f4\u89c6\u9891\u64ad\u653e\u65f6\u51fa\u73b0\u4e0d\u987a\u7545\u7684\u73b0\u8c61\u3002 <\/li>\n<li>  \u7f51\u7edc\u65ad\u7ebf  &#xff1a;\u7528\u6237\u7f51\u7edc\u7a81\u7136\u65ad\u5f00\u4f1a\u5bfc\u81f4\u89c6\u9891\u4f20\u8f93\u4e2d\u65ad\u3002 <\/li>\n<\/ul>\n<p> \u8fd9\u4e9b\u7f51\u7edc\u95ee\u9898\u5982\u679c\u4e0d\u52a0\u4ee5\u5904\u7406&#xff0c;\u5c06\u4e25\u91cd\u5f71\u54cd\u89c6\u9891\u4f20\u8f93\u8d28\u91cf\u548c\u7528\u6237\u4f53\u9a8c\u3002 <\/p>\n<h4> 7.1.2 \u9519\u8bef\u5904\u7406\u673a\u5236\u7684\u57fa\u672c\u539f\u7406 <\/h4>\n<p> \u9519\u8bef\u5904\u7406\u673a\u5236\u7684\u57fa\u672c\u539f\u7406\u5305\u62ec&#xff1a; <\/p>\n<ul>\n<li>  \u9519\u8bef\u68c0\u6d4b  &#xff1a;\u901a\u8fc7\u534f\u8bae&#xff08;\u5982RTP&#xff09;\u4e2d\u7684\u5e8f\u5217\u53f7\u548c\u6821\u9a8c\u548c\u7b49\u4fe1\u606f\u6765\u68c0\u6d4b\u9519\u8bef\u3002 <\/li>\n<li>  \u9519\u8bef\u53cd\u9988  &#xff1a;\u5c06\u68c0\u6d4b\u5230\u7684\u9519\u8bef\u4fe1\u606f\u53cd\u9988\u7ed9\u53d1\u9001\u7aef\u3002 <\/li>\n<li>  \u9519\u8bef\u6062\u590d  &#xff1a;\u901a\u8fc7\u91cd\u4f20\u4e22\u5931\u7684\u6570\u636e\u5305\u3001\u8c03\u6574\u7f16\u7801\u7b56\u7565\u6216\u4f7f\u7528\u5197\u4f59\u4fe1\u606f\u6765\u6062\u590d\u4e22\u5931\u7684\u4fe1\u606f\u3002 <\/li>\n<\/ul>\n<h3> 7.2 \u9519\u8bef\u68c0\u6d4b\u4e0e\u6062\u590d\u6280\u672f <\/h3>\n<h4> 7.2.1 \u5b9e\u65f6\u9519\u8bef\u68c0\u6d4b\u65b9\u6cd5 <\/h4>\n<p> \u4e3a\u4e86\u5b9e\u65f6\u68c0\u6d4b\u9519\u8bef&#xff0c;\u53ef\u4ee5\u4f7f\u7528\u591a\u79cd\u673a\u5236&#xff1a; <\/p>\n<ul>\n<li>  \u5e8f\u5217\u53f7  &#xff1a;\u5229\u7528\u6570\u636e\u5305\u7684\u5e8f\u5217\u53f7\u6765\u68c0\u6d4b\u662f\u5426\u4e22\u5931\u6570\u636e\u5305\u3002 <\/li>\n<li>  \u65f6\u95f4\u6233  &#xff1a;RTP\u534f\u8bae\u4e2d\u5305\u542b\u65f6\u95f4\u6233\u4fe1\u606f&#xff0c;\u53ef\u4ee5\u5e2e\u52a9\u68c0\u6d4b\u548c\u8865\u507f\u65f6\u5e8f\u95ee\u9898\u3002 <\/li>\n<li>  \u6821\u9a8c\u548c  &#xff1a;\u901a\u8fc7\u6570\u636e\u5305\u7684\u6821\u9a8c\u548c\u6765\u68c0\u6d4b\u6570\u636e\u662f\u5426\u5728\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u88ab\u7be1\u6539\u3002 <\/li>\n<\/ul>\n<h4> 7.2.2 \u6545\u969c\u6062\u590d\u673a\u5236\u4e0e\u7b56\u7565 <\/h4>\n<p> \u4e00\u65e6\u68c0\u6d4b\u5230\u9519\u8bef&#xff0c;\u5c31\u9700\u8981\u91c7\u53d6\u76f8\u5e94\u7684\u6062\u590d\u63aa\u65bd&#xff1a; <\/p>\n<ul>\n<li>  \u524d\u5411\u7ea0\u9519&#xff08;FEC&#xff09;  &#xff1a;\u53d1\u9001\u7aef\u53d1\u9001\u989d\u5916\u7684\u7ea0\u9519\u6570\u636e\u5305&#xff0c;\u63a5\u6536\u7aef\u53ef\u4ee5\u5229\u7528\u8fd9\u4e9b\u6570\u636e\u6765\u6062\u590d\u4e22\u5931\u7684\u539f\u59cb\u6570\u636e\u5305\u3002 <\/li>\n<li>  \u81ea\u52a8\u91cd\u4f20\u8bf7\u6c42&#xff08;ARQ&#xff09;  &#xff1a;\u5982\u679c\u63a5\u6536\u7aef\u68c0\u6d4b\u5230\u9519\u8bef\u6216\u4e22\u5931&#xff0c;\u53ef\u4ee5\u901a\u8fc7ARQ\u534f\u8bae\u8bf7\u6c42\u53d1\u9001\u7aef\u91cd\u65b0\u53d1\u9001\u635f\u574f\u7684\u6570\u636e\u5305\u3002 <\/li>\n<\/ul>\n<h3> 7.3 \u63d0\u9ad8\u89c6\u9891\u4f20\u8f93\u7cfb\u7edf\u7a33\u5b9a\u6027\u7684\u7b56\u7565 <\/h3>\n<h4> 7.3.1 \u8bbe\u8ba1\u9c81\u68d2\u6027\u5f3a\u7684\u7cfb\u7edf\u67b6\u6784 <\/h4>\n<p> 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