{"id":92445,"date":"2020-03-09T09:02:00","date_gmt":"2020-03-09T01:02:00","guid":{"rendered":"http:\/\/4563.org\/?p=92445"},"modified":"2020-03-09T09:02:00","modified_gmt":"2020-03-09T01:02:00","slug":"%e8%bf%99%e4%b8%aa%e6%a3%80%e6%b5%8b%e8%a7%86%e9%a2%91%e6%96%87%e4%bb%b6%e6%98%af%e5%90%a6%e6%8d%9f%e5%9d%8f%e7%9a%84%e6%96%b9%e6%b3%95%e7%9a%84%e5%8e%9f%e7%90%86%e6%98%af%e4%bb%80%e4%b9%88","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=92445","title":{"rendered":"\u8fd9\u4e2a\u68c0\u6d4b\u89c6\u9891\u6587\u4ef6\u662f\u5426\u635f\u574f\u7684\u65b9\u6cd5\u7684\u539f\u7406\u662f\u4ec0\u4e48?"},"content":{"rendered":"<div>\n<div>\n<div>\n<h1>                  \u8fd9\u4e2a\u68c0\u6d4b\u89c6\u9891\u6587\u4ef6\u662f\u5426\u635f\u574f\u7684\u65b9\u6cd5\u7684\u539f\u7406\u662f\u4ec0\u4e48?               <\/h1>\n<p> <\/p>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : uechris <\/span>  <span><i><\/i> 46<\/span> <\/div>\n<div> <\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<div isfirst=\"1\"> <\/p>\n<p>\u5e0c\u671b\u5b9e\u73b0\u5bf9\u97f3\u89c6\u9891\u6587\u4ef6\u5b8c\u6574\u6027\u7684\u68c0\u6d4b,\u67e5\u4e86\u4e00\u4e0b,\u4e3b\u6d41\u7684\u65b9\u6cd5\u662f\u5229\u7528 ffmpeg.<\/p>\n<blockquote>\n<p>ffmpeg -v error -i file.avi -f null &#8211; 2&gt;error.log<\/p>\n<\/blockquote>\n<p>\u4f46\u662f\u8fd9\u6837\u505a\u7684 cpu \u5360\u7528\u7387\u5f88\u9ad8.<\/p>\n<p>\u6211\u53c8\u5728\u8fd9\u91cc\u627e\u5230\u4e86\u53e6\u4e00\u79cd\u65b9\u6cd5.\u6587\u7ae0\u63d0\u4f9b\u4e86\u4e00\u4e2a\u53ef\u6267\u884c\u6587\u4ef6,\u5b83\u8c03\u7528 ffmpeg \u4ee5\u68c0\u6d4b\u89c6\u9891\u5b8c\u6574\u6027,\u6ca1\u6709\u6e90\u7801.\u6211\u5728\u7c97\u7565\u7684\u6d4b\u8bd5\u4e4b\u540e,\u53d1\u73b0\u8fd9\u79cd\u65b9\u6cd5\u5e94\u8be5\u662f\u6709\u6548\u7684.\u6211\u6355\u6349\u4e86\u5b83\u5bf9 ffmpeg \u8c03\u7528\u53c2\u6570,\u5927\u81f4\u5982\u4e0b:<\/p>\n<blockquote>\n<p>ffmpeg -i file.MOV<\/p>\n<p>ffmpeg -ss 1 -i file.MOV -y -f image2 -vframes 1 -s 1&#215;1 tempdir\/125F3585BE25.temp<\/p>\n<p>ffmpeg -ss 2 -i file.MOV -y -f image2 -vframes 1 -s 1&#215;1 tempdir\/125F3585BE27.temp<\/p>\n<p>ffmpeg -ss 3 -i file.MOV -y -f image2 -vframes 1 -s 1&#215;1 tempdir\/125F3585BE28.temp<\/p>\n<p>ffmpeg -ss 4 -i file.MOV -y -f image2 -vframes 1 -s 1&#215;1 tempdir\/125F3585BE29.temp<\/p>\n<p>ffmpeg -ss 6 -i file.MOV -y -f image2 -vframes 1 -s 1&#215;1 tempdir\/125F3585BE2B.temp<\/p>\n<p>ffmpeg -ss 7 -i file.MOV -y -f image2 -vframes 1 -s 1&#215;1 tempdir\/125F3585BE2C.temp<\/p>\n<p>ffmpeg -ss 8 -i file.MOV -y -f image2 -vframes 1 -s 1&#215;1 tempdir\/125F3585BE2D.temp<\/p>\n<p>ffmpeg -ss 9 -i file.MOV -y -f image2 -vframes 1 -s 1&#215;1 tempdir\/125F3585BE2F.temp<\/p>\n<p>ffmpeg -ss 10 -i file.MOV -y -f image2 -vframes 1 -s 1&#215;1 tempdir\/125F3585BE30.temp<\/p>\n<p>ffmpeg -ss 12 -i file.MOV -y -f image2 -vframes 1 -s 1&#215;1 tempdir\/125F3585BE31.temp<\/p>\n<p>ffmpeg -ss 13 -i file.MOV -y -f image2 -vframes 1 -s 1&#215;1 tempdir\/125F3585BE33.temp<\/p>\n<p>ffmpeg -ss 14 -i file.MOV -y -f image2 -vframes 1 -s 1&#215;1 tempdir\/125F3585BE34.temp<\/p>\n<p>&#8230;&#8230;<\/p>\n<\/blockquote>\n<p>\u67e5\u4e86\u4e00\u4e0b\u8fd9\u6761\u547d\u4ee4,\u6ca1\u6709\u627e\u5230\u4efb\u4f55\u76f8\u5173\u7ed3\u679c.<\/p>\n<p>\u770b\u8d77\u6765\u5f53 ffmpeg \u751f\u6210\u7684\u6587\u4ef6\u4e3a\u7a7a\u65f6\u8be5\u7a0b\u5e8f\u4f1a\u8ba4\u4e3a\u89c6\u9891\u662f\u635f\u574f\u7684.\u6b64\u65f6 ffmpeg \u7684\u8f93\u51fa\u6700\u540e\u4f1a\u6709\u8fd9\u4e48\u4e00\u884c:<\/p>\n<blockquote>\n<p>Output file is empty, nothing was encoded (check -ss \/ -t \/ -frames parameters if used)<\/p>\n<\/blockquote>\n<p>\u6240\u4ee5\u60f3\u95ee\u4e00\u4e0b:<\/p>\n<p>1,\u8fd9\u79cd\u65b9\u6cd5\u80fd\u5de5\u4f5c\u5417?<\/p>\n<p>2,\u5b83\u5de5\u4f5c\u7684\u539f\u7406\u662f\u4ec0\u4e48?<\/p>\n<p>3,\u600e\u6837\u5c06\u8fd9\u79cd\u65b9\u6cd5\u6269\u5c55\u5230\u68c0\u6d4b\u97f3\u9891\u6587\u4ef6\u5b8c\u6574\u6027\u4e0a?<\/p>\n<p>4,\u8fd8\u6709\u4ec0\u4e48\u68c0\u6d4b\u97f3\u89c6\u9891\u6587\u4ef6\u5b8c\u6574\u6027\u7684\u65b9\u6cd5?<\/p>\n<\/p><\/div>\n<div> <b>\u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (<span>6<\/span>)        <\/div>\n<div> <\/div>\n<\/p><\/div>\n<\/p><\/div>\n<ul>\n<li data-pid=\"947446\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : msg7086 <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u8fd9\u79cd\u505a\u6cd5\u68c0\u6d4b\u4e0d\u4e86\u6240\u6709\u7684\u6587\u4ef6\u635f\u574f\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"947447\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : aliipay <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u770b\u53c2\u6570\u5927\u6982\u731c\u6d4b\uff0c\u4e00\u4e2a\u662f\u89e3\u7801\u6bcf\u4e00\u5e27\uff0c\u4e00\u4e2a\u662f\u6bcf\u79d2\u89e3\u7801\u4e00\u5e27                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"947448\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : BB9z <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u547d\u4ee4\u4f60\u90fd\u62ff\u5230\u4e86\uff0c\u539f\u7406\u8fd8\u5206\u6790\u4e0d\u51fa\u6765\u4e48\uff1f<\/p>\n<p>\u633a\u6709\u8da3\u7684\uff0cLMGTFY<br \/>https:\/\/ffmpeg.org\/ffmpeg.html#Options<\/p>\n<p>\u4f60\u8bf4\u7684\u300c\u4e3b\u6d41\u65b9\u6cd5\u300d\u662f\u89e3\u7801\u6574\u4e2a\u6587\u4ef6\uff0c\u8d44\u6e90\u9700\u6c42\u5f53\u7136\u9ad8\u4e86\u3002\u540e\u4e00\u79cd\u65b9\u6cd5\u662f\u5c1d\u8bd5\u89e3\u7801\u6bcf\u79d2\u7684\u4e00\u50cf\u7d20\u7684\u4e00\u5e27\u3002<\/p>\n<p>\u80fd\u5de5\u4f5c\u4e48\uff1f\u901a\u8fc7\u7684\u8bdd\u64ad\u653e\u5668\u5e94\u8be5\u80fd\u5b8c\u6574\u7684\u64ad\u4e0b\u6765\u2014\u2014\u4e0d\u5927\u6bb5\u4e22\u6570\u636e\uff0c\u4f46\u4e0d\u80fd\u4fdd\u8bc1\u6240\u6709\u5e27\u90fd OK\uff0c\u53ef\u80fd\u6709\u82b1\u5c4f\u3002<\/p>\n<p>\u97f3\u9891\u68c0\u6d4b\uff1f\u636e\u6211\u6240\u77e5\uff0c\u97f3\u9891\u7684\u8fd9\u79cd\u89e3\u7801\u5305\u90fd\u662f\u5904\u7406\u7279\u5b9a\u683c\u5f0f\u7684\uff0c\u6ca1\u8303\u7528\u7684\u3002                                                            <\/p><\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"947449\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u4e3b<\/span> <span>\u8cc7\u6df1\u5927\u4f6c : uechris <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             @BB9z \u6211\u770b\u5f97\u51fa\u6765\u8fd9\u4e2a\u547d\u4ee4\u662f\u5728\u6bcf\u4e00\u5230\u4e24\u79d2\u89e3\u7801\u4e00\u5e27.\u6211\u611f\u5230\u56f0\u60d1\u7684\u5730\u65b9\u6b63\u597d\u5c31\u5728\u6b64\u5904:\u6bcf\u4e00\u5230\u4e24\u79d2\u89e3\u7801\u4e00\u5e27\u600e\u4e48\u80fd\u786e\u5b9a\u89c6\u9891\u7684\u5176\u4ed6\u90e8\u5206\u662f\u5b8c\u597d\u7684\u5462?<br \/>\u770b\u4e86\u4e00\u4e0b\u5927\u5bb6\u7684\u56de\u7b54,\u770b\u6765\u7b54\u6848\u5c31\u662f,\u540e\u4e00\u79cd\u65b9\u6cd5\u7684\u786e\u65e0\u6cd5\u68c0\u6d4b\u5230\u6240\u6709\u635f\u574f.\u9760\u8c31\u7684\u65b9\u6cd5\u5e94\u8be5\u8fd8\u662f\u7b2c\u4e00\u79cd.                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"947450\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : hardwork <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u5b8c\u6574\u6027                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"947451\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : hardwork <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u8fd9\u662f\u68c0\u6d4b\u89e3\u7801\u662f\u5426\u6709\u9519\u6765\u5224\u65ad\u89c6\u9891\u5b8c\u6574\u6027\uff0c\u97f3\u9891\u5e94\u8be5\u6ca1\u529e\u6cd5\uff0c\u4e00\u822c\u97f3\u9891\u7f16\u7801\u5355\u5143\u4e4b\u95f4\u6ca1\u6709\u53c2\u8003\u5173\u7cfb\u3002\u8981\u68c0\u6d4b\u5b8c\u6574\u6027\uff0c\u5e94\u8be5\u6709\u539f\u59cb\u53c2\u7167\uff0c\u548c\u539f\u59cb\u6bd4\u5457\uff0c\u6216\u8005\u901a\u8fc7\u539f\u59cb\u4fe1\u606f\u83b7\u77e5\u5b8c\u6574\u6027\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li>\n","protected":false},"excerpt":{"rendered":"<p>\u8fd9\u4e2a\u68c0\u6d4b\u89c6\u9891\u6587\u4ef6\u662f\u5426\u635f\u574f\u7684\u65b9\u6cd5\u7684\u539f&hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[],"tags":[],"_links":{"self":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/92445"}],"collection":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=92445"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/92445\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=92445"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=92445"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=92445"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}