{"id":702,"date":"2022-02-14T14:19:02","date_gmt":"2022-02-14T06:19:02","guid":{"rendered":"http:\/\/124.223.94.246\/?p=702"},"modified":"2022-06-11T02:54:08","modified_gmt":"2022-06-10T18:54:08","slug":"ffmpeg%e5%91%bd%e4%bb%a4%e5%88%86%e6%9e%90-%e8%be%93%e5%87%ba%e5%a4%9a%e8%b7%af%e6%b5%81","status":"publish","type":"post","link":"https:\/\/www.xianwaizhiyin.net\/?p=702","title":{"rendered":"ffmpeg\u547d\u4ee4\u5206\u6790-\u7ba1\u9053\u8f93\u51fa\u591a\u8def\u6d41"},"content":{"rendered":"\n<p>\u672c\u6587 \u4ee5 ffmpeg4.4 \u6e90\u7801\u4e3a\u51c6\uff0ca.mp4\u4e0b\u8f7d\u94fe\u63a5\uff1a<a href=\"https:\/\/pan.baidu.com\/s\/1RN1xRsQDGx65MGyB_T1IzA\">\u767e\u5ea6\u7f51\u76d8<\/a>\uff0c\u63d0\u53d6\u7801\uff1anl0s \u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>\u65e9\u671f FFmpeg \u5728 \u8f6c \u7801 \u540e \u8f93\u51fa \u76f4\u64ad \u6d41 \u65f6\u5e76 \u4e0d\u652f\u6301 \u7f16\u7801 \u4e00\u6b21 \u4e4b\u540e \u540c\u65f6 \u8f93\u51fa \u591a\u8def \u76f4\u64ad \u6d41\uff0c \u9700\u8981 \u4f7f\u7528 \u7ba1\u9053 \u65b9\u5f0f \u8fdb\u884c \u8f93\u51fa\uff0c \u800c\u5728 \u65b0\u7248\u672c \u7684 FFmpeg \u4e2d \u5df2\u7ecf \u652f\u6301 tee \u6587\u4ef6 \u5c01\u88c5 \u53ca \u534f\u8bae \u8f93\u51fa\uff0c \u53ef\u4ee5 \u4f7f\u7528 tee \u8fdb\u884c \u591a\u8def \u6d41 \u8f93\u51fa\uff0c \u672c\u8282 \u5c06 \u4e3b\u8981 \u8bb2\u89e3 \u7ba1\u9053 \u65b9\u5f0f \u8f93\u51fa \u591a\u8def \u6d41 \u4e0e tee \u534f\u8bae \u8f93\u51fa \u65b9\u5f0f \u8f93\u51fa \u591a\u8def \u6d41\u3002<\/p><p>\u5218\u6b67; \u8d75\u6587\u6770. FFmpeg\u4ece\u5165\u95e8\u5230\u7cbe\u901a (\u7535\u5b50\u4e0e\u5d4c\u5165\u5f0f\u7cfb\u7edf\u8bbe\u8ba1\u4e1b\u4e66) (p. 405). \u5317\u4eac\u534e\u7ae0\u56fe\u6587\u4fe1\u606f\u6709\u9650\u516c\u53f8. Kindle Edition.<\/p><\/blockquote>\n\n\n\n<p>\u672c\u6587\u4e3b\u8981\u8bb2\u89e3 \u7ba1\u9053\u65b9\u5f0f \u8f93\u51fa\u591a\u8def\u6d41 \u5728 ffmpeg.c \u91cc\u9762\u7684\u903b\u8f91\u5b9e\u73b0\uff0c\u547d\u4ee4\u5982\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"prettyprint\" >ffmpeg.exe -i a.mp4 -acodec aac -vcodec h264_mf -f flv - | ffmpeg -f flv -i - -c copy -f flv tcp:\/\/127.0.0.1:1234\/live\/stream -c copy -f flv rtmp:\/\/192.168.0.122\/live\/livestream<\/code><\/pre>\n\n\n\n<p>\u4e0a\u9762\u7684\u547d\u4ee4 \u97f3\u9891\u7f16\u7801 \u4e3a AAC\uff0c\u89c6\u9891\u7f16\u7801\u4e3a H264\uff0c\u8f6c\u6210 flv \u7684\u5c01\u88c5\uff0c\u7136\u540e\u63a8\u4e86\u4e24\u8def\u6d41\u3002<\/p>\n\n\n\n<p>1\uff0ctcp \u6d41\uff0c\u628a flv \u7684\u6570\u636e\u653e\u5728 tcp \u5305\u91cc\u9762\u8fdb\u884c\u4f20\u8f93\u3002<\/p>\n\n\n\n<p>2\uff0crtmp \u6d41\uff0c\u628aflv \u7684\u6570\u636e\u653e\u5728 rtmp \u4e0a\u5c42\u8fdb\u884c\u4f20\u8f93\u3002<\/p>\n\n\n\n<p>\u8fd9\u4e24\u8def\u6d41\u7684\u670d\u52a1\u5668\u8bf7\u81ea\u884c\u642d\u5efa\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p>google_ads_content<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p>\u56e0\u4e3a\u7528\u4e86 \u7ba1\u9053 \u6240\u4ee5\u5728 qt_creator \u91cc\u9762\u5e76\u4e0d\u597d\u8c03\u8bd5\uff0c\u76f4\u63a5\u6839\u636e\u4e4b\u524d\u7684\u79ef\u7d2f\u731c\u6d4b\u903b\u8f91\u6d41\u7a0b\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"666\" height=\"571\" src=\"\/wp-content\/uploads\/2022\/02\/many-stream-1-1.png\" alt=\"\" class=\"wp-image-703\"\/><\/figure>\n\n\n\n<p>\u5982\u4e0a\u56fe\u6240\u793a\uff0c\u56e0\u4e3a\u6709\u4e24\u8def\u8f93\u51fa\u6d41\uff0c\u6240\u4ee5 l-&gt;nb_groups \u7b49\u4e8e2 \uff0c\u4f1a\u6253\u5f00\u4e24\u6b21\u8f93\u51fa\u6587\u4ef6\uff0c\u8fd9\u4e5f\u5c31\u662f\u4e3a\u4ec0\u4e48 ffmpeg \u7684 \u5168\u5c40\u53d8\u91cf\uff0cinput_files\uff0coutput_files\uff0c\u4ee5\u53ca filter_graph \u662f\u4e00\u4e2a\u6570\u7ec4\u7684\u539f\u56e0\uff0c\u56e0\u4e3a\u53ef\u4ee5\u6709\u591a\u4e2a\u3002\u6570\u7ec4\u7684\u7ed3\u6784\u770b\u8d77\u6765\u6bd4\u8f83\u590d\u6742\uff0c\u5176\u4e2d\u4e00\u4e2a\u5e94\u8be5\u573a\u666f\u5c31\u662f\u4e3a\u4e86\u89e3\u51b3\u591a\u8def\u8f93\u51fa\u7684\u95ee\u9898\uff0c\u8fd9\u4e2a\u77e5\u8bc6\u70b9\u662f\u4e4b\u524d\u300a<strong>ffmpeg\u6e90\u7801\u5206\u6790-\u53c2\u6570\u89e3\u6790<\/strong>\u300b\u6ca1\u6709\u8fc7\u591a\u63d0\u53ca\u7684\uff0c\u4e4b\u524d\u7684\u5206\u6790\uff0c\u8f93\u5165\u8f93\u51fa\u90fd\u662f\u5355\u4e2a\u6587\u4ef6\u3002<\/p>\n\n\n\n<p>ffmpeg \u7684\u4e3b\u8981\u7ed3\u6784\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"\/wp-content\/uploads\/2022\/01\/ffmepg_c-zj-2.png\" alt=\"img\"\/><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<p>\u7248\u6743\u6240\u5c5e\uff1a\u77e5\u8bc6\u661f\u7403\uff1a\u5f26\u5916\u4e4b\u97f3\uff0cQQ\uff1a2338195090\u3002 \u7531\u4e8e\u7b14\u8005\u7684\u6c34\u5e73\u6709\u9650\uff0c \u52a0\u4e4b\u7f16\u5199\u7684\u540c\u65f6\u8fd8\u8981\u53c2\u4e0e\u5f00\u53d1\u5de5\u4f5c\uff0c\u6587\u4e2d\u96be\u514d\u4f1a\u51fa\u73b0\u4e00\u4e9b\u9519\u8bef\u6216\u8005\u4e0d\u51c6\u786e\u7684\u5730\u65b9\uff0c\u6073\u8bf7\u8bfb\u8005\u6279\u8bc4\u6307\u6b63\u3002\u5982\u679c\u8bfb\u8005\u6709\u4efb\u4f55\u5b9d\u8d35\u610f\u89c1\uff0c\u53ef\u4ee5\u52a0\u6211\u5fae\u4fe1 Loken1\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u672c\u6587 \u4ee5 ffmpeg4.4 \u6e90\u7801\u4e3a\u51c6\uff0ca.mp4\u4e0b\u8f7d\u94fe\u63a5\uff1a\u767e\u5ea6\u7f51\u76d8\uff0c\u63d0\u53d6\u7801\uff1anl0s \u3002 \u65e9\u671f FFmpeg [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-702","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v18.2 - 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