{"id":11175,"date":"2024-04-22T11:20:31","date_gmt":"2024-04-22T03:20:31","guid":{"rendered":"https:\/\/www.zhangxinxu.com\/wordpress\/?p=11175"},"modified":"2024-04-22T11:20:31","modified_gmt":"2024-04-22T03:20:31","slug":"node-fluent-ffmpeg-screenshot-every-second","status":"publish","type":"post","link":"https:\/\/www.zhangxinxu.com\/wordpress\/2024\/04\/node-fluent-ffmpeg-screenshot-every-second\/","title":{"rendered":"node\u73af\u5883\u4e2d\u4f7f\u7528fluent-ffmpeg\u6bcf\u9694\u4e00\u79d2\u89c6\u9891\u622a\u56fe"},"content":{"rendered":"<p>by <a href=\"https:\/\/www.zhangxinxu.com\/\">zhangxinxu<\/a> from <a href=\"https:\/\/www.zhangxinxu.com\/wordpress\/?p=11175\">https:\/\/www.zhangxinxu.com\/wordpress\/?p=11175<\/a> \u946b\u7a7a\u95f4-\u946b\u751f\u6d3b<br \/>\n\u672c\u6587\u6b22\u8fce\u5206\u4eab\u4e0e\u805a\u5408\uff0c\u5168\u6587\u8f6c\u8f7d\u5c31\u4e0d\u5fc5\u4e86\uff0c\u5c0a\u91cd\u7248\u6743\uff0c\u5708\u5b50\u5c31\u8fd9\u4e48\u5927\uff0c\u82e5\u6025\u7528\u53ef\u4ee5\u8054\u7cfb\u6388\u6743\u3002<\/p>\n<p><script>window.wxShareImgUrl = 'https:\/\/www.zhangxinxu.com\/study\/image\/share\/202004-love.png';<\/script><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/image.zhangxinxu.com\/image\/blog\/202404\/2024-4-22_111631.png\" width=\"383\" height=\"244\" alt=\"\u5c01\u9762\u5360\u4f4d\u56fe\uff0c\u8349\u6ce5\u9a6c\u5148\u751f\" class=\"alignright size-medium clip thumb\" \/><\/p>\n<h3>\u4e00\u3001\u9700\u6c42\u4ea7\u751f\u7684\u80cc\u666f<\/h3>\n<p>\u4e4b\u524d\u6709\u64b0\u6587\uff08<a href=\"https:\/\/www.zhangxinxu.com\/wordpress\/2024\/01\/js-get-video-thumb-poster\/\">\u4f7f\u7528JS\u5feb\u901f\u83b7\u53d6video\u89c6\u9891\u4efb\u610f\u4f4d\u7f6e\u7684\u7f29\u7565\u56fe<\/a>\uff09\u4ecb\u7ecd\u8fc7\u7eaf\u524d\u7aef\u83b7\u53d6\u89c6\u9891\u7684\u622a\u56fe\uff0c\u6309\u7167\u6bcf\u79d2\u83b7\u53d6\u4e00\u5f20\u7684\u9891\u7387\u53bb\u83b7\u53d6\uff0c\u6027\u80fd\u8fd8\u662f\u53ef\u4ee5\u7684\u3002<\/p>\n<p>\u4f46\u662f\uff0c\u602a\u4e8b\u53d1\u751f\u4e86\uff0c\u6700\u8fd1\u51e0\u4e2a\u7248\u672c\u7684Chrome\u4e0d\u77e5\u9053\u6539\u52a8\u4e86\u4ec0\u4e48\u4e1c\u897f\uff0c\u4f7f\u7528<code>&lt;video&gt;<\/code>\u5143\u7d20\u83b7\u53d6\u89c6\u9891\u7f29\u7565\u56fe\u7684\u6027\u80fd\u53d8\u5f97\u6781\u5dee\uff0c\u6ce8\u610f\u8fd9\u91cc\u7684\u526f\u8bcd\uff0c\u662f\u201c\u6781\u201d\uff0c\u533a\u522b\u975e\u5e38\u660e\u663e\u3002<\/p>\n<p>\u8fd9\u53ef\u5c31\u975e\u5e38\u5f71\u54cd\u7528\u6237\u4f53\u9a8c\u4e86\u3002<\/p>\n<p>\u5f53\u7136\uff0c\u4e5f\u4e0d\u662f\u6ca1\u6709\u89e3\u51b3\u65b9\u6cd5\uff0c\u90a3\u5c31\u662f\u4f7f\u7528mp4box.js\u52a0WebCodecs\u53bb\u89e3\u7801\uff0c\u4f46\u662f\uff0c\u8fd9\u4e2a\u65b9\u6cd5\u95e8\u69db\u6709\u70b9\u9ad8\uff0c\u5f88\u591a\u524d\u7aef\u5c0f\u4f19\u4f34\u662f\u73a9\u4e0d\u8f6c\u7684\u3002<\/p>\n<p>\u6240\u4ee5\u5c31\u60f3\u7740\uff0c\u8981\u4e0d\u7f29\u7565\u56fe\u5c31\u4e0d\u5b9e\u65f6\u83b7\u53d6\u4e86\uff0c\u76f4\u63a5\u5199\u4e2aNode.js\u670d\u52a1\uff0c\u7ebf\u4e0b\u63d0\u524d\u8dd1\u4efb\u52a1\u751f\u6210\u597d\u5c31\u597d\u4e86\u3002<\/p>\n<p>\u4e8e\u662f\u5c31\u6709\u4e86\u8fd9\u6b21\u7684\u9700\u6c42\u3002<\/p>\n<h3>\u4e8c\u3001\u4e0d\u54d4\u54d4\u76f4\u63a5\u4e0a\u4ee3\u7801<\/h3>\n<p>\u5982\u4f55\u5b89\u88c5 node-fluent-ffmpeg \u6211\u8fd9\u91cc\u5c31\u4e0d\u5570\u55e6\u4e86\uff0c\u5b89\u88c5\u5931\u8d25\u81ea\u5df1\u60f3\u529e\u6cd5\u54c8\u3002<\/p>\n<p>\u5047\u8bbe\u5df2\u7ecf\u65b0\u5efa\u4e86\u4e00\u4e2a\u540d\u4e3atemp\u7684\u4e34\u65f6\u6587\u4ef6\u5939\uff0c\u7528\u6765\u5b58\u653e\u7f29\u7565\u56fe\u3002<\/p>\n<pre>const ffmpeg = require(\"fluent-ffmpeg\");\r\n\r\n\/\/ \u6bcf\u95f4\u96942\u79d2\u622a\u53d6\u7f29\u7565\u56fe\r\nconst videoPath = '.\/sources\/zhangxinxu.mp4';\r\nconsole.log('\u6b63\u5728\u83b7\u53d6\u89c6\u9891\u7f29\u7565\u56fe...');\r\nconst time = Date.now();\r\n\/\/ \u4e0b\u9762\u662f\u6838\u5fc3\u6267\u884c\u65b9\u6cd5\r\nffmpeg(videoPath)\r\n  .fps(0.5)\r\n  .size('128x?')\r\n  .save('.\/temp\/thumb-%04d.jpg')\r\n  .on('error', (err) =&gt; {\r\n    console.log('\u83b7\u53d6\u89c6\u9891\u7f29\u7565\u56fe\u5931\u8d25', err);\r\n  })\r\n  .on('end', () =&gt; {\r\n    console.log('\u83b7\u53d6\u89c6\u9891\u7f29\u7565\u56fe\u6210\u529f\uff0c\u8017\u65f6\uff1a', (Date.now() - time) \/ 1000 + 's');\r\n});<\/pre>\n<h4>\u5404\u8bed\u53e5\u4f5c\u7528\u8bf4\u660e<\/h4>\n<ul>\n<li>fps()\u65b9\u6cd5\u53ef\u4ee5\u6539\u53d8\u89c6\u9891\u7684\u5e27\u7387\uff0cfps(0.5)\u8868\u793a\u6bcf\u79d2\u89c6\u9891\u7684\u5e27\u6570\u662f0.5\uff0c\u4e5f\u5c31\u662f\u6ca12\u79d2\u624d\u6709\u4e00\u5e27\u89c6\u9891\u3002<\/li>\n<li>size(&#8216;128x?&#8217;)\u8868\u793a\u6539\u53d8\u539f\u59cb\u89c6\u9891\u7684\u5c3a\u5bf8\uff0c\u5bbd\u5ea6\u4e3a128px\u50cf\u7d20\uff0c\u9ad8\u5ea6\u6309\u7167\u539f\u59cb\u89c6\u9891\u6bd4\u4f8b\u81ea\u52a8\u8ba1\u7b97\u3002<\/li>\n<li>thumb-%04d.jpg\u4e2d\u7684%04d\u8868\u793a\u56fe\u7247\u5e8f\u5217\u5b89\u88c50000.jpg\u30010001.jpg\u8fd9\u79cd\u56db\u4f4d\u8865\u5168\u7684\u65b9\u5f0f\u547d\u540d\uff08\u4fdd\u8bc1\u6392\u5e8f\uff09\u3002\u5177\u4f53\u591a\u5c11\u4f4d\u8865\u96f6\uff0c\u8981\u6839\u636e\u56fe\u7247\u6570\u91cf\u6765\uff0c\u4f8b\u5982\uff0c\u4e00\u4e2a10min\u7684\u89c6\u9891\uff0c\u603b\u5171600s\uff0c\u4f1a\u4ea7\u751f300\u5f20\u7f29\u7565\u56fe\uff0c\u56e0\u6b64\uff0c\u56fe\u7247\u5e8f\u5217\u7684\u6700\u5927\u503c\u4e5f\u5c31\u662f300\u3002\n<p>\u5982\u679c\u4f60\u80fd\u4fdd\u8bc1\u4f60\u4f60\u8981\u5904\u7406\u7684\u89c6\u9891\u65f6\u957f\u90fd\u572810\u5206\u949f\u4ee5\u4e0b\uff0c\u90a3\u4e48\u4f7f\u7528%03d.jpg\u5c31\u8db3\u591f\u3002%04d.jpg\u53ef\u4ee5\u4fdd\u8bc12\u5c0f\u65f6\u7684\u89c6\u9891\u90fd\u4e0d\u4f1a\u6709\u5e8f\u5217\u4e0d\u8db3\u7684\u95ee\u9898\u3002<\/li>\n<\/ul>\n<p>\u5982\u679c\u4e0d\u51fa\u610f\u5916\uff0c\u5c31\u53ef\u4ee5\u8f93\u51fa\u5982\u4e0b\u56fe\u6240\u793a\u7684\u56fe\u7247\u5e8f\u5217\u7ed3\u679c\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/image.zhangxinxu.com\/image\/blog\/202404\/2024-4-22_104135.png\" width=\"223\" height=\"251\" alt=\"\u7f29\u7565\u56fe\u8fd0\u884c\u7ed3\u679c\u793a\u610f\" class=\"alignnone size-medium\" \/><\/p>\n<h3>\u4e09\u3001\u5982\u679c\u5e0c\u671b\u5bf9\u7f29\u7565\u56fe\u6253\u5305\uff1f<\/h3>\n<p>\u56fe\u7247\u5e8f\u5217\u867d\u7136\u662f\u6700\u7ec8\u9700\u8981\u7684\u8d44\u6e90\uff0c\u4f46\u662f\u8981\u662f\u6587\u4ef6\u6570\u91cf\u592a\u591a\uff0c\u4f20\u8f93\u7684\u6210\u672c\u5c31\u4f1a\u5927\u5927\u589e\u52a0\u3002<\/p>\n<p>\u4f8b\u5982\uff0cWeb\u7f51\u9875\u524d\u7aef\u9700\u8981\u4f7f\u7528\u8fd9\u4e9b\u7f29\u7565\u56fe\u7684\u65f6\u5019\uff0c\u603b\u4e0d\u53ef\u80fd\u4e00\u4e0b\u5b50\u53d1\u51fa\u51e0\u5341\u3001\u4e0a\u767e\u4e2a\u8bf7\u6c42\u53bb\u62c9\u53d6\u8fd9\u4e9b\u56fe\u7247\u5427\u3002<\/p>\n<p>\u6d4f\u89c8\u5668\u613f\u610f\u5e72\u8fd9\u4ef6\u4e8b\uff0c\u4eba\u5bb6\u670d\u52a1\u5668\u8fd8\u4e0d\u613f\u610f\u5462\u3002<\/p>\n<p>\u5982\u679c\u8d70ZIP\u6253\u5305\uff0c\u90a3\u4e48\u524d\u7aef\u5c31\u53ea\u6709\u4e00\u4e2a\u8bf7\u6c42\uff0c\u524d\u7aef\u518d\u4f7f\u7528JavaScript\u89e3\u538b\uff0c\u6548\u679c\u4e5f\u662f\u4e00\u6837\u7684\u3002<\/p>\n<p>\u6211\u662f\u4f7f\u7528zip-local\u8fd9\u4e2a\u9879\u76ee\u5b9e\u73b0ZIP\u6253\u5305\u7684\uff0c\u56e0\u4e3a\u8bed\u6cd5\u7b80\u5355\uff0c\u800c\u6211\u4eec\u8fd9\u91cc\u7684\u6253\u5305\u64cd\u4f5c\u6bd4\u8f83\u7b80\u5355\uff0c\u56e0\u6b64\uff0c\u8fd9\u4e2a\u9879\u76ee\u5c31\u6bd4\u8f83\u9002\u5408\uff0cGithub\u5730\u5740\uff1a<a href=\"https:\/\/github.com\/Mostafa-Samir\/zip-local\" rel=\"noopener\" target=\"_blank\">https:\/\/github.com\/Mostafa-Samir\/zip-local<\/a><\/p>\n<p>\u4f7f\u7528\u793a\u610f\uff1a<\/p>\n<pre>const zipper = require(\"zip-local\");\r\n\/\/ \u6253\u5305\u56fe\u7247\u6587\u4ef6\u5939\r\nconst zipBuffer = zipper.sync.zip('.\/temp').memory();<\/pre>\n<p>\u6b64\u65f6\uff0czipBuffer\u5c31\u662fzip\u6587\u4ef6\u7684buffer\u6570\u636e\uff0c\u6211\u4eec\u53ef\u4ee5\u7528\u6765\u4e0a\u4f20\u5230cos\u5b58\u50a8\u4e0a\uff0c\u4e5f\u53ef\u4ee5\u4e0b\u8f7d\u5230\u672c\u5730\uff0c\u4ee3\u7801\u793a\u610f\uff1a<\/p>\n<pre>fs.writeFileSync(`.\/videoThumb-by-zhangxinxu.zip`, zipBuffer);<\/pre>\n<p>PS: \u524d\u7aef\u89e3\u538b\u53ef\u4ee5\u4f7f\u7528<a href=\"https:\/\/github.com\/Stuk\/jszip\" rel=\"noopener\" target=\"_blank\">jszip<\/a>\uff0c\u4e4b\u524d\u6709\u4e2a<a href=\"https:\/\/www.zhangxinxu.com\/wordpress\/2019\/08\/js-zip-download\/\">ZIP\u6253\u5305\u5408\u6210\u5e76\u4e0b\u8f7d\u7684\u9700\u6c42<\/a>\uff0c\u6211\u5c31\u7528\u8fc7\u6b64\u9879\u76ee\u3002<\/p>\n<h3>\u56db\u3001\u5c31\u626f\u8fd9\u4e48\u591a\u5427<\/h3>\n<p>\u5662\u5566\uff0c\u5c31\u626f\u8fd9\u4e48\u591a\u5427\u3002<\/p>\n<p>\u65e5\u5e38\u5de5\u4f5c\u7684\u4e00\u70b9\u5c0f\u5c0f\u8bb0\u5f55\u3002<\/p>\n<p>fluent-ffmpeg\u8fd9\u4e2a\u9879\u76ee\u7684\u4f7f\u7528\u793a\u610f\u6587\u6863\u8fd8\u662f\u6bd4\u8f83\u5168\u7684\uff0c\u57fa\u672c\u4e0a\u5e38\u89c1\u7684\u89c6\u9891\u64cd\u4f5c\u90fd\u6709\u793a\u610f\u3002<\/p>\n<p>\u5927\u5bb6\u5982\u679c\u6709\u4ec0\u4e48\u4e0d\u61c2\u7684\uff0c\u6b22\u8fce\u8bc4\u8bba\u4ea4\u6d41\uff0c\u6211\u8fd8\u662f\u7d2f\u79ef\u4e86\u4e0d\u5c11\u4f7f\u7528\u7ecf\u9a8c\u7684\u3002<\/p>\n<p>\u672c\u5468\u65e5\u4f3c\u4e4e\u8981\u8865\u4e94\u4e00\u7684\u5047\uff0c\u8981\u4e0a\u73ed\u3002<\/p>\n<p>\u6211\u7684\u5de5\u4f5c\u539f\u5219\u662f\u7edd\u5bf9\u4e0d\u4f1a\u604b\u4e0a6\u5929\u534a\uff0c\u6240\u4ee5\uff0c\u672c\u5468\u65e5\u4f1a\u8bf7\u5e74\u5047\uff0c\u5230\u65f6\u5019\uff0c\u53bb\u6cb3\u8fb9\u5439\u5439\u98ce\uff0c\u505a\u505a\u7b80\u5355\u7684\u4f11\u95f2\u8fd0\u52a8\u2014\u2014\u5c31\u662f\u9493\u9c7c\u5566\uff0c\u54c8\u54c8\u54c8\u3002<\/p>\n<p>\u770b\u770b\uff0c\u8fd9\u662f\u6628\u5929\u4e0b\u5348\u7684\u9493\u8d27\uff0c\u4e24\u4e2a\u9c7c\u62a4\uff0c\u4e0a\u767e\u65a4\u4e86\u3002?<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/image.zhangxinxu.com\/image\/blog\/202404\/2024-4-22_111015.jpeg\" width=\"180\" height=\"320\" alt=\"\u6e14\u83b7\u793a\u610f\" class=\"alignnone size-medium\" \/><\/p>\n<p>\u672c\u6587\u4e3a\u539f\u521b\u6587\u7ae0\uff0c\u6b22\u8fce\u5206\u4eab\uff0c\u52ff\u5168\u6587\u8f6c\u8f7d\uff0c\u5982\u679c\u5b9e\u5728\u559c\u6b22\uff0c\u53ef\u6536\u85cf\uff0c\u6c38\u4e0d\u8fc7\u671f\uff0c\u4e14\u4f1a\u53ca\u65f6\u66f4\u65b0\u77e5\u8bc6\u70b9\u53ca\u4fee\u6b63\u9519\u8bef\uff0c\u9605\u8bfb\u4f53\u9a8c\u4e5f\u66f4\u597d\u3002<br \/>\n\u672c\u6587\u5730\u5740\uff1a<a href=\"https:\/\/www.zhangxinxu.com\/wordpress\/?p=11175\">https:\/\/www.zhangxinxu.com\/wordpress\/?p=11175<\/a><\/p>\n<p>\uff08\u672c\u7bc7\u5b8c\uff09<\/p>\n","protected":false},"excerpt":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/image.zhangxinxu.com\/image\/blog\/202404\/2024-4-22_111631.png\" width=\"160\" height=\"102\" alt=\"\u5c01\u9762\u5360\u4f4d\u56fe\uff0c\u8349\u6ce5\u9a6c\u5148\u751f\" class=\"alignright size-medium\" loading=\"lazy\" \/><\/p>\n<p>\u540e\u7aef\u8fd9\u5757\u53ea\u4f1aNode.js\u7684\u524d\u7aef\u5de5\u7a0b\u5e08\u5982\u4f55\u5b9e\u73b0\u6bcf\u9694\u4e00\u4e24\u79d2\u5c31\u83b7\u53d6\u4e00\u5f20\u5c0f\u5c3a\u5bf8\u7684\u89c6\u9891\u622a\u56fe\u7684\u9700\u6c42\u5462\uff1f<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[180],"tags":[1738,1960,1465,728,340,1920,1961,236],"_links":{"self":[{"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/posts\/11175"}],"collection":[{"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/comments?post=11175"}],"version-history":[{"count":0,"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/posts\/11175\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/media?parent=11175"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/categories?post=11175"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/tags?post=11175"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}