{"id":2611,"date":"2023-03-12T21:35:44","date_gmt":"2023-03-12T13:35:44","guid":{"rendered":"https:\/\/www.modou.tv\/?p=2611"},"modified":"2023-03-25T21:47:10","modified_gmt":"2023-03-25T13:47:10","slug":"obs%e7%bc%96%e7%a0%81%e5%99%a8-%e8%bd%af%e7%bc%96-%e7%a1%ac%e7%bc%96-%e7%a0%81%e7%8e%87%e6%8e%a7%e5%88%b6%e9%83%bd%e6%98%af%e4%bb%80%e4%b9%88%e6%84%8f%e6%80%9d","status":"publish","type":"post","link":"https:\/\/www.modou.tv\/?p=2611","title":{"rendered":"OBS\u8f93\u51fa\u9879\uff08\u7f16\u7801\u5668\/\u8f6f\u7f16\/\u786c\u7f16\/\u7801\u7387\u63a7\u5236…)\u540d\u79f0\u89e3\u91ca"},"content":{"rendered":"

\u4e00\u3001OBS\u7f16\u7801\u5668<\/span><\/p>\n

\u7eaf CPU x264<\/span><\/p>\n

intel Quick Sync \u52a0\u901f<\/span><\/p>\n

N\u5361 NVENC \u52a0\u901f<\/span><\/p>\n

A \u5361 VCE \u52a0\u901f<\/span><\/p>\n

\"\"<\/span><\/p>\n

\n

1. \u8f6f\u7f16\uff1ax264<\/span><\/p>\n

\u4f7f\u7528CPU\u8fdb\u884c\u7f16\u7801\uff0c\u5360\u7528CPU\u8d44\u6e90\u591a\uff0c\u4f46\u7f16\u7801\u51fa\u6765\u89c6\u9891\u8d28\u91cf\u66f4\u597d<\/span><\/p>\n

2. \u786c\u7f16\uff1aNVENC H.264<\/span><\/p>\n

\u57fa\u4e8eGPU\u7f16\u7801\uff0c\u7f16\u7801\u7684\u8ba1\u7b97\u8d1f\u8f7d\u7531NV\u663e\u5361\u7684GPU\u627f\u62c5\uff0c\u4ece\u800c\u5927\u5927\u964d\u4f4e\u4e86CPU\u7684\u538b\u529b\u3002NV\u663e\u5361\u7f16\u7801\u7684\u7f3a\u9677\u662f\u5728\u76f8\u540c\u7684h.264\u7f16\u7801\u53c2\u6570\u8bbe\u7f6e\u4e0b\uff0c\u5176\u7f16\u7801\u540e\u89c6\u9891\u7684\u8d28\u91cf\u6bd4x264\u8981\u6b21\uff0c\u7279\u522b\u662f\u5728\u5927\u91cf\u8fd0\u52a8\u753b\u9762\u548c\u8f6c\u573a\u753b\u9762\u7684\u60c5\u51b5\u4e0b\uff0c\u4f1a\u66f4\u4e3a\u660e\u663e\u3002<\/span><\/p>\n

\u5bf9\u4e8e\u6709\u7684\u7535\u8111\u6765\u8bf4\uff0c\u867d\u7136\u914d\u6709NV\u7684\u72ec\u7acb\u663e\u5361\uff0c\u4f46\u5728\u4e3b\u677fBios\u4e0a\u6ca1\u6709\u6fc0\u6d3b\u8be5\u663e\u5361\uff0c\u800c\u662f\u4f7f\u7528\u7684\u96c6\u6210\u663e\u5361\uff0c\u56e0\u6b64\u5728\u201c\u7f16\u7801\u5668\u201d\u4e2d\u4e0d\u4f1a\u6709\u201cNVENC H.264\u201d\u7684\u9009\u9879\u3002<\/span><\/p>\n

\uff13.QuickSync H.264\uff1a\u5373\u91c7\u7528\u82f1\u7279\u5c14\u7684\u96c6\u6210\u663e\u5361\u8fdb\u884cH.264\u7684\u201c\u786c\u201d\u7f16\u7801\u3002\u82f1\u7279\u5c14\u663e\u5361\u7f16\u7801\u51fa\u6765\u7684\u8d28\u91cf\u4ecb\u4e8eCPU\u7f16\u7801\u548cNVENC\u7f16\u7801\u4e4b\u95f4\u3002<\/span><\/p>\n

4.H264 Encoder(AMD Advanced Media Framework)AMF\uff1a\u91c7\u7528AMD\u7684\u663e\u5361\u8fdb\u884c\u7f16\u7801\u3002\u5728\u5176\u4f59\u6761\u4ef6\u76f8\u540c\u7684\u60c5\u51b5\u4e0b\uff0c\u6839\u636e\u7b2c\u4e09\u65b9\u6d4b\u8bd5\u7ed3\u679c\uff0c\u5728\u8fd94\u79cd\u7f16\u7801\u4e2d\uff0cAMD\u663e\u5361\u7f16\u7801\u540e\u7684\u89c6\u9891\u8d28\u91cf\u662f\u6700\u4f4e\u7684\u3002<\/span>
\n\u4e8c\u3001\u7801\u7387\u63a7\u5236\u5668<\/span><\/p>\n

\"\"<\/span><\/p>\n

1.\u00a0VBR\u52a8\u6001\u7801\u7387\uff1a\u56fa\u5b9a\u8bbe\u5b9a\u7684\u7801\u7387\u4e0a\u4e0b\u6ce2\u52a8\uff0c\u6ce2\u52a8\u5e45\u5ea6\u8f83\u5927<\/span><\/p>\n

\u6839\u636e\u56fe\u50cf\u5185\u5bb9\u7684\u590d\u6742\u7a0b\u5ea6\u6765\u5206\u914d\u4e0d\u540c\u7684\u7801\u7387\u4ee5\u786e\u4fdd\u753b\u9762\u7684\u8d28\u91cf\u3002\u5728\u56fe\u50cf\u5341\u5206\u590d\u6742\uff0c\u753b\u9762\u8fd0\u52a8\u5267\u70c8\u7684\u60c5\u51b5\u4e0b\uff0c\u5176\u7801\u7387\u5c31\u4f1a\u6709\u5927\u5e45\u7684\u63d0\u9ad8\uff0c\u800c\u5728\u753b\u9762\u7b80\u5355\u4ee5\u53ca\u8fd0\u52a8\u5c0f\u6216\u8005\u51e0\u4e4e\u6ca1\u6709\u8fd0\u52a8\u7684\u60c5\u51b5\u4e0b\uff0c\u7801\u7387\u4f1a\u5f88\u4f4e\u3002<\/span><\/p>\n

2.\u00a0CBR\u56fa\u5b9a\u7801\u7387\uff1a\u6839\u636e\u8bbe\u5b9a\u7684\u7801\u7387\u76f8\u5bf9\u6ce2\u52a8\uff0c\u6ce2\u52a8\u5e45\u5ea6\u5f88\u5c0f\uff0c\u7801\u7387\u4f18\u5148\uff0c\u8d28\u91cf\u7b2c\u4e8c<\/span><\/p>\n

3.\u00a0ABR\u5e73\u5747\u7801\u7387\uff1a\u53ef\u4ee5\u770b\u6210\u662f\u6743\u8861CBR\u548cVBR\u7684\u7ed3\u679c\u3002<\/span><\/p>\n

\u8be5\u6a21\u5f0f\u4e5f\u662f\u4ee5\u8d28\u91cf\u4e3a\u76ee\u6807\uff0c\u548cVBR\u76f8\u6bd4\uff0c\u66f4\u52a0\u6e29\u548c\u4e00\u70b9\uff0c\u5b9e\u9645\u7801\u7387\u6ce2\u52a8\u4e0d\u4f1a\u90a3\u4e48\u5927\uff0c\u4f46\u53ef\u80fd\u5c31\u4f1a\u727a\u7272\u4e00\u70b9\u70b9\u7684\u8d28\u91cf\u4e3a\u4ee3\u4ef7<\/span><\/p>\n

4.\u00a0CRF\u56fa\u5b9a\u8d28\u91cf\u6a21\u5f0f\uff1a\u8be5\u6a21\u5f0f\u4e0b\u7801\u7387\u7531CRF\u8d28\u91cf\u503c\u6765\u8fdb\u884c\u63a7\u5236\uff0cCRF\u53d6\u503c\u8303\u56f4\u57281~51\u4e4b\u95f4\uff0cH264\u7f16\u7801\u7684\u9ed8\u8ba4CRF\u503c\u4e3a23\uff0c\u53d6\u503c\u8d8a\u4f4e\uff0c\u7f16\u7801\u8d28\u91cf\u8d8a\u597d\uff0c\u540c\u65f6\u5bf9CPU\u6216\u8005GPU\u7684\u538b\u529b\u5c31\u8d8a\u5927\u3002<\/span><\/p>\n

\u4e09\u3001\u5173\u952e\u5e27\u95f4\u9694<\/span><\/p>\n

\u5173\u952e\u5e27\u95f4\u9694\u8d8a\u5927\uff0c\u4e5f\u5c31\u662fGOP\u8d8a\u957f\uff0c\u6570\u636e\u538b\u7f29\u8d8a\u5927\uff0c\u5b9e\u9645\u7801\u7387\u5c31\u4f1a\u8d8a\u4f4e\u3002\u4f46GOP\u592a\u5927\u4f1a\u5bfc\u81f4\u753b\u8d28\u53d8\u5dee\uff0c\u7279\u522b\u662f\u5728\u8fd0\u52a8\u753b\u9762\u4e2d\u6700\u4e3a\u660e\u663e\u3002\u6240\u4ee5\u6211\u4eec\u4e0d\u5efa\u8baeGOP\u8bbe\u7f6e\u592a\u957f\uff0c\u4ee5\u786e\u4fdd\u753b\u9762\u8d28\u91cf\uff0c\u9ed8\u8ba4\u60c5\u51b5\u4e0b\u53ef\u4ee5\u8bbe\u7f6e\u4e3a0\uff0c\u5373\u7cfb\u7edf\u81ea\u52a8\u8bbe\u5b9a\u3002\u5982\u679c\u81ea\u5df1\u8bbe\u7f6e\uff0c\u53ef\u4ee5\u8003\u8651\u5728\u534a\u79d2\u52302\u79d2\u4e4b\u95f4\u3002<\/span><\/p>\n

\u56db\u3001CPU\u4f7f\u7528\u9884\u8bbe\uff08Present\uff09<\/span><\/p>\n

\"\"<\/span><\/p>\n

\u5206\u4e8610\u7ea7\uff0c\u5373\u4ece\u6700\u4e0b\u9762\u7684placebo\u5230\u6700\u4e0a\u9762\u7684ultrafast\u3002\u7ea7\u522b\u8d8a\u9760\u4e0a\uff0cCPU\u5904\u7406\u7684\u6570\u636e\u91cf\u8d8a\u5c0f\uff0c\u7f16\u7801\u65f6\u5bf9CPU\u7684\u5904\u7406\u80fd\u529b\u8981\u6c42\u8d8a\u4f4e\uff0c\u4f46\u753b\u8d28\u4f1a\u8d8a\u6765\u8d8a\u5dee\u3002\u8be5\u53c2\u6570\u5bf9CPU\u7684\u5f71\u54cd\u975e\u5e38\u5927\uff0c\u5373\u4f7f\u662f\u4ecefaster\u5230fast\u4e00\u4e2a\u7ea7\u522b\u7684\u53d8\u5316\uff0cCPU\u7684\u8fd0\u884c\u91cf\u53ef\u80fd\u5c31\u4f1a\u7ffb\u500d\u3002\u4e00\u822c\u53ef\u4ee5\u9009\u62e9\u5728fast~veryfast\u7ea7\u522b\u4e4b\u95f4\uff0c\u5e73\u8861\u753b\u8d28\u4e0eCPU\u7684\u8d1f\u8f7d\u3002<\/span>
\n\u4e94\u3001\u914d\u7f6e\uff08Profile\uff09<\/span><\/p>\n

\u5b9a\u4e49\u4e86\u89c6\u9891\u5728\u8fdb\u884cH264\u7f16\u7801\u65f6\u7684\u89c6\u9891\u4fe1\u53f7\u62bd\u6837\u548c\u89c6\u9891\u538b\u7f29\u65b9\u5f0f\uff08\u7b97\u6cd5\uff09\u76f8\u5173\u7684\u4e00\u7ec4\u53c2\u6570\u503c\uff0c\u6216\u8005\u8bf4\u7279\u6027\u3002H264\u4e00\u5171\u5b9a\u4e49\u4e867\u4e2a\u6863\u6b21\uff0c\u6211\u4eecOBS\u4e2d\u53ea\u652f\u6301\u6700\u5e38\u89c1\u7684\u4e09\u79cd\uff0c\u4ece\u4f4e\u5230\u9ad8\u4f9d\u6b21\u4e3abaseline\u3001main\u548chigh\u3002\u5728\u7801\u7387\u7b49\u5176\u4f59\u53c2\u6570\u4e0d\u53d8\u7684\u60c5\u51b5\u4e0b\uff0c\u4e09\u79cd\u6863\u6b21\u4ece\u4f4e\u5230\u9ad8\u538b\u7f29\u7387\u9010\u6e10\u63d0\u9ad8\uff0c\u5bf9CPU\u8ba1\u7b97\u80fd\u529b\u7684\u8981\u6c42\u4e5f\u9010\u6b65\u63d0\u9ad8\uff0c\u540c\u65f6\u753b\u9762\u8d28\u91cf\u4e5f\u4f1a\u66f4\u597d\u3002<\/span><\/p>\n

\u516d\u3001\u5fae\u8c03\uff08Tune\uff09<\/span><\/p>\n

8\u79cd\u9002\u5e94\u573a\u666f\u3002<\/span>
\n1.film\uff1a\u7535\u5f71\u753b\u8d28\u573a\u666f\uff0c\u4e3b\u8981\u7528\u6237\u753b\u8d28\u8f83\u9ad8\u3001\u6bd4\u7279\u7387\u8f83\u9ad8\u7684\u5e94\u7528\u573a\u5408\uff1b<\/span>
\n2.animation\uff1a\u9002\u7528\u4e8e\u5361\u901a\u573a\u666f\uff0c\u5bf9\u5e73\u5766\u533a\u57df\u8f83\u5927\u7684\u56fe\u5f62\u753b\u9762\u6709\u4e00\u5b9a\u7684\u4f18\u5316\uff1b<\/span>
\n3.grain\uff1a\u5e94\u7528\u4e8e\u9897\u7c92\u5316\u6bd4\u8f83\u591a\u7684\u753b\u9762\uff0c\u7f16\u7801\u540e\u80fd\u591f\u8f83\u597d\u4fdd\u6301\u539f\u753b\u9762\u7684\u9897\u7c92\u611f\uff1b<\/span>
\n4.stillimage\uff1a\u5e94\u7528\u4e8e\u9759\u6001\u753b\u9762\u573a\u5408\u3002<\/span>
\n5.psnr\u548cssim\uff1apsnr\u548cssim\u662f2\u4e2a\u89c6\u9891\u8d28\u91cf\u7684\u91cf\u5316\u6307\u6807\uff0c\u7528\u4e8e\u5ba2\u89c2\u5224\u65ad\u7f16\u7801\u540e\u7684\u6570\u636e\u503c\u548c\u7f16\u7801\u5668\u524d\u6570\u636e\u503c\u7684\u5dee\u5f02\uff0c\u4f46\u6bd4\u4e0d\u80fd\u771f\u6b63\u7684\u53cd\u5e94\u8d28\u91cf\u662f\u5426\u6709\u6240\u6709\u63d0\u5347\u3002<\/span>
\n6.fastdecode\uff1a\u4f7f\u7f16\u7801\u540e\u7684\u6570\u636e\u5728\u89e3\u7801\u65f6\uff0c\u5bf9\u89e3\u7801\u5668CPU\u548c\uff08\u6216\uff09GPU\u7684\u8981\u6c42\u4e0d\u9ad8\uff0c\u5373\u4f4e\u5904\u7406\u80fd\u529b\u7684\u89e3\u7801\u5668\u4e5f\u80fd\u5feb\u901f\u7684\u8fdb\u884c\u89e3\u7801\u3002<\/span>
\n7.zerolatency\uff1a\u5b9e\u73b0\u5feb\u901f\u7f16\u7801\uff0c\u9002\u7528\u4e8e\u5ef6\u8fdf\u8981\u6c42\u4f4e\u7684\u573a\u5408\uff0c\u4f46\u753b\u8d28\u53ef\u80fd\u6709\u4e00\u5b9a\u7684\u5f71\u54cd\u3002<\/span>
\n\u4e03\u3001\u5206\u8fa8\u7387\uff08resolution\uff09<\/span><\/p>\n

\uff11.\u57fa\u7840\u753b\u5e03\u5206\u8fa8\u7387\uff1a\u8fd9\u662f\u6307OBS\u9884\u76d1\u548c\u8f93\u51fa\u6846\u7684\u5206\u8fa8\u7387\uff0c\u6211\u4eec\u5efa\u8bae\u8be5\u5206\u8fa8\u7387\u548c\u8f93\u5165\u89c6\u9891\u7684\u5206\u8fa8\u7387\u4e00\u81f4\uff0c\u5728\u4e0d\u4e00\u81f4\u65f6\uff0c\u9700\u8981\u8fdb\u884c\u624b\u52a8\u62c9\u4f38\uff0c\u4ee5\u6070\u597d\u9002\u5e94\u753b\u5e03\u7684\u5927\u5c0f\u3002<\/span>
\n2. \u8f93\u51fa\uff08\u7f29\u653e\uff09\u5206\u8fa8\u7387\uff1a\u5373\u7f16\u7801\u540e\u7684\u8f93\u51fa\u5206\u8fa8\u7387\uff0c\u6839\u636e\u5b9e\u9645\u9700\u8981\u8c03\u6574\uff0c\u9ed8\u8ba4\u60c5\u51b5\u4e0b\u5efa\u8bae\u4e8e\u539f\u59cb\u89c6\u9891\u4e00\u81f4\u3002<\/span>
\n\u8f93\u51fa\u5206\u8fa8\u7387\u7684\u5927\u5c0f\u5bf9CPU\u6216\u8005\u8ba1\u7b97\u8ba1\u7b97\u8d44\u6e90\u6709\u8f83\u5927\u7684\u5173\u8054\u6027\uff0c\u5728\u7801\u7387\u7b49\u5176\u4f59\u6761\u4ef6\u4e0d\u53d8\u7684\u60c5\u51b5\u4e0b\uff0c\u5206\u8fa8\u7387\u8d8a\u9ad8\uff0c\u5360\u7528\u7684\u8ba1\u7b97\u8d44\u6e90\u4f1a\u8d8a\u9ad8\uff0c\u5bf9\u786c\u4ef6\u7684\u8981\u6c42\u8d8a\u9ad8\u3002<\/span>
\n3.\u7f29\u5c0f\u65b9\u6cd5\uff1a\u6307\u539f\u9ad8\u9ad8\u5206\u8fa8\u7387\u89c6\u9891\u4e0b\u53d8\u6362\u6210\u4f4e\u5206\u8fa8\u7387\u89c6\u9891\u65f6\uff0c\u6240\u91c7\u7528\u7684\u8ba1\u7b97\u65b9\u6cd5\uff0cobs\u63d0\u9ad8\u4e864\u79cd\u7b97\u6cd5\uff0c\u5373\u53cc\u76f4\u7ebf\u6cd5\u3001\u533a\u57df\u6cd5\u3001\u53cc\u7acb\u65b9\u6cd5\u548clanczos\u6cd5\uff0c\u8fd9\u56db\u79cd\u65b9\u6cd5\u4e0b\u53d8\u6362\u540e\u7684\u89c6\u9891\u8d28\u91cf\u4f9d\u6b21\u63d0\u9ad8\uff0c\u4f46\u66f4\u597d\u8ba1\u7b97\u8d44\u6e90\uff0c\u6240\u5e78\u7684\u662f\uff0c\u5bf9\u8ba1\u7b97\u8d44\u6e90\u7684\u5360\u7528\u91cf\u4e5f\u4e0d\u4f1a\u6709\u591a\u5927\u7684\u5f71\u54cd\u3002<\/span>
\n\u516b\u3001\u5e27\u7387\uff08FPS\uff09<\/span>
\n\u5373\u4e00\u79d2\u949f\u5185\u89c6\u9891\u7684\u5e27\u6570\uff0c\u5e27\u6570\u8d8a\u9ad8\uff0c\u753b\u9762\u7684\u6d41\u7545\u611f\u8d8a\u5f3a\uff0c\u4e34\u573a\u611f\u8d8a\u5f3a\uff0c\u5bf9\u4e8e\u8fd0\u52a8\u5267\u70c8\u7684\u753b\u9762\uff0c\u5efa\u8bae\u4f7f\u7528\u9ad8\u5206\u5e27\u7387\u3002<\/span><\/p>\n

 <\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

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