{"id":835,"date":"2019-04-18T15:03:03","date_gmt":"2019-04-18T07:03:03","guid":{"rendered":"https:\/\/www.wurend.com\/?p=835"},"modified":"2020-05-14T17:12:07","modified_gmt":"2020-05-14T09:12:07","slug":"ffmpeg-%e5%ae%9e%e7%94%a8%e7%9a%84%e8%a7%86%e9%a2%91%e8%bd%ac%e6%8d%a2%e5%b7%a5%e5%85%b7","status":"publish","type":"post","link":"https:\/\/www.wurend.com\/?p=835","title":{"rendered":"FFMpeg | \u5b9e\u7528\u7684\u89c6\u9891\u8f6c\u6362\u5de5\u5177"},"content":{"rendered":"\n<figure class=\"wp-block-image alignwide\"><a href=\"https:\/\/www.wurend.com\/wp-content\/uploads\/2019\/04\/bd728485-how-to-install-and-use-ffmpeg-on-ubuntu-18.04-1024x576.jpg\" alt=\"FFMpeg | \u5b9e\u7528\u7684\u89c6\u9891\u8f6c\u6362\u5de5\u5177\" title=\"FFMpeg | \u5b9e\u7528\u7684\u89c6\u9891\u8f6c\u6362\u5de5\u5177\"><img decoding=\"async\" src=\"https:\/\/www.wurend.com\/wp-content\/uploads\/2019\/04\/bd728485-how-to-install-and-use-ffmpeg-on-ubuntu-18.04-1024x576.jpg\" alt=\"FFMpeg | \u5b9e\u7528\u7684\u89c6\u9891\u8f6c\u6362\u5de5\u5177\" title=\"FFMpeg | \u5b9e\u7528\u7684\u89c6\u9891\u8f6c\u6362\u5de5\u5177\" \/><\/a><\/figure>\n\n\n\n<div class=\"wp-block-pandastudio-title\"><div class=\"title_style_01\"><h2 id=\"h2-0\"> <strong>FFmpeg\u7684\u4e0b\u8f7d\u4e0e\u5b89\u88c5<\/strong> <\/h2><\/div><\/div>\n\n\n\n<p>\n\nFFmpeg\u662f\u5f00\u6e90\u7684\u3002\u4f46\u6211\u4eec\u4e0d\u5fc5\u53bb\u4e0b\u8f7d\u5b83\u7684\u6e90\u4ee3\u7801\u3002\u4e0b\u8f7d\u5df2\u7ecf\u7f16\u8bd1\u597d\u7684exe\/dll\u5373\u53ef\u3002\u53ef\u4ee5\u5230<a href=\"http:\/\/www.ffmpeg.org\/download.html\" target=\"_blank\" rel=\"noreferrer noopener\">http:\/\/www.ffmpeg.org\/download.html<\/a>\uff0c\u7136\u540e\u70b9\u51fb\u201cWindows Builds\u201d\uff0c\u518d\u6839\u636e\u4f60\u5f53\u524d\u7684\u673a\u5668\u7cfb\u7edf\uff0c\u7136\u540e\u770b\u662f32\u4f4d\u8fd8\u662f64\u4f4d\u6765\u51b3\u5b9a\u4e0b\u8f7d\u54ea\u4e2a\u5305\u3002\u6211\u7528\u7684windows 10 x64\u4f4d\u7684\u7cfb\u7edf\uff0c\u56e0\u6b64\u6211\u4e0b\u8f7d\u7684\u662fwindos\u7248\u672c\uff0c\u5982\u4e0b\u56fe\u6240\u793a\uff1a\n\n<\/p>\n\n\n\n<figure class=\"wp-block-image alignwide\"><a href=\"https:\/\/www.wurend.com\/wp-content\/uploads\/2019\/08\/6YA_44JEP3934H1@6I3-2-1024x597.png\" alt=\"FFMpeg | \u5b9e\u7528\u7684\u89c6\u9891\u8f6c\u6362\u5de5\u5177\" title=\"FFMpeg | \u5b9e\u7528\u7684\u89c6\u9891\u8f6c\u6362\u5de5\u5177\"><img decoding=\"async\" src=\"https:\/\/www.wurend.com\/wp-content\/uploads\/2019\/08\/6YA_44JEP3934H1@6I3-2-1024x597.png\" alt=\"FFMpeg | \u5b9e\u7528\u7684\u89c6\u9891\u8f6c\u6362\u5de5\u5177\" title=\"FFMpeg | \u5b9e\u7528\u7684\u89c6\u9891\u8f6c\u6362\u5de5\u5177\" \/><\/a><\/figure>\n\n\n\n<p>\n\n\u4e0b\u8f7d\u5b8c\u6210\u4e4b\u540e\uff0c\u89e3\u538b\u5230\u786c\u76d8\u4e0a\uff0c\u5047\u8bbe\u8def\u5f84\u4e3aD:\\me\u3002\u542f\u52a8\u4e00\u4e2a\u63a7\u5236\u53f0\u7a0b\u5e8f\uff0c\u7136\u540e\u6267\u884cDOS\u547d\u4ee4\u8fdb\u5165FFmpeg\u5de5\u5177\u7684bin\u76ee\u5f55\uff0c\u5982\u4e0b\uff1a\n\n<\/p>\n\n\n\n<figure class=\"wp-block-image alignwide\"><a href=\"https:\/\/www.wurend.com\/wp-content\/uploads\/2019\/08\/8MXMGGJGE3IQ_A4ER@AN.png\" alt=\"FFMpeg | \u5b9e\u7528\u7684\u89c6\u9891\u8f6c\u6362\u5de5\u5177\" title=\"FFMpeg | \u5b9e\u7528\u7684\u89c6\u9891\u8f6c\u6362\u5de5\u5177\"><img decoding=\"async\" src=\"https:\/\/www.wurend.com\/wp-content\/uploads\/2019\/08\/8MXMGGJGE3IQ_A4ER@AN.png\" alt=\"FFMpeg | \u5b9e\u7528\u7684\u89c6\u9891\u8f6c\u6362\u5de5\u5177\" title=\"FFMpeg | \u5b9e\u7528\u7684\u89c6\u9891\u8f6c\u6362\u5de5\u5177\" \/><\/a><\/figure>\n\n\n\n<p>\n\n\u6216\u8005\u4f60\u4e5f\u53ef\u4ee5\u5728\u89e3\u538b\u8def\u5f84\u4e0b\u65b0\u5efa\u4e00\u4e2atxt\u6587\u6863\uff0c\u5728\u6587\u6863\u91cc\u7f16\u8f91\u201ccmd\u201d\uff08\u5f15\u53f7\u91cc\u9762\u5185\u5bb9\uff09\uff0c\u4fdd\u5b58\uff0c\u7136\u540e\u628atxt\u540e\u7f00\u4fee\u6539\u4e3abat\uff0c\u5982\u4e0b\u56fe\u6240\u793a\uff1a\n\n<\/p>\n\n\n\n<figure class=\"wp-block-image alignwide\"><a href=\"https:\/\/www.wurend.com\/wp-content\/uploads\/2019\/08\/209REUWD6G5D7Z56TA-1024x724.png\" alt=\"FFMpeg | \u5b9e\u7528\u7684\u89c6\u9891\u8f6c\u6362\u5de5\u5177\" title=\"FFMpeg | \u5b9e\u7528\u7684\u89c6\u9891\u8f6c\u6362\u5de5\u5177\"><img decoding=\"async\" src=\"https:\/\/www.wurend.com\/wp-content\/uploads\/2019\/08\/209REUWD6G5D7Z56TA-1024x724.png\" alt=\"FFMpeg | \u5b9e\u7528\u7684\u89c6\u9891\u8f6c\u6362\u5de5\u5177\" title=\"FFMpeg | \u5b9e\u7528\u7684\u89c6\u9891\u8f6c\u6362\u5de5\u5177\" \/><\/a><\/figure>\n\n\n\n<figure class=\"wp-block-image alignwide\"><a href=\"https:\/\/www.wurend.com\/wp-content\/uploads\/2019\/08\/JKON6VC9UNF5DZY5J-1024x742.png\" alt=\"FFMpeg | \u5b9e\u7528\u7684\u89c6\u9891\u8f6c\u6362\u5de5\u5177\" title=\"FFMpeg | \u5b9e\u7528\u7684\u89c6\u9891\u8f6c\u6362\u5de5\u5177\"><img decoding=\"async\" src=\"https:\/\/www.wurend.com\/wp-content\/uploads\/2019\/08\/JKON6VC9UNF5DZY5J-1024x742.png\" alt=\"FFMpeg | \u5b9e\u7528\u7684\u89c6\u9891\u8f6c\u6362\u5de5\u5177\" title=\"FFMpeg | \u5b9e\u7528\u7684\u89c6\u9891\u8f6c\u6362\u5de5\u5177\" \/><\/a><\/figure>\n\n\n\n<figure class=\"wp-block-image alignwide\"><a href=\"https:\/\/www.wurend.com\/wp-content\/uploads\/2019\/08\/DI0NOKIZAW9I6LI-1024x737.png\" alt=\"FFMpeg | \u5b9e\u7528\u7684\u89c6\u9891\u8f6c\u6362\u5de5\u5177\" title=\"FFMpeg | \u5b9e\u7528\u7684\u89c6\u9891\u8f6c\u6362\u5de5\u5177\"><img decoding=\"async\" src=\"https:\/\/www.wurend.com\/wp-content\/uploads\/2019\/08\/DI0NOKIZAW9I6LI-1024x737.png\" alt=\"FFMpeg | \u5b9e\u7528\u7684\u89c6\u9891\u8f6c\u6362\u5de5\u5177\" title=\"FFMpeg | \u5b9e\u7528\u7684\u89c6\u9891\u8f6c\u6362\u5de5\u5177\" \/><\/a><\/figure>\n\n\n\n<div class=\"wp-block-pandastudio-title\"><div class=\"title_style_01\"><h2 id=\"h2-1\"> <strong>\u5e94\u7528\u573a\u666f<\/strong><\/h2><\/div><\/div>\n\n\n\n<div class=\"wp-block-pandastudio-title\"><div class=\"title_style_02\"><h3 id=\"h3-2\"> FFmpeg\u5c06mkv\u5e26\u5b57\u5e55\u8f6cmp4 <\/h3><\/div><\/div>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"\u8f6f\u5b57\u5e55\">\u8f6f\u5b57\u5e55<\/h3>\n\n\n\n<p>MP4 \u683c\u5f0f\u652f\u6301\u6d41\u6587\u5b57\u683c\u5f0f\u5b57\u5e55\uff0c\u64ad\u653e\u65f6\u53ef\u5728\u64ad\u653e\u5668\u4e2d\u9009\u62e9\u5bf9\u5e94\u7684\u5b57\u5e55\uff0c\u4f46\u8be5\u8f6f\u5b57\u5e55\u529f\u80fd\u53ef\u80fd\u5728\u6709\u4e9b\u64ad\u653e\u5668\u6216\u8005\u8bbe\u5907\u4e0a\u4e0d\u652f\u6301\u3002<\/p>\n\n\n\n<p>\u76f8\u5173\u53c2\u6570:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>ffmpeg -i input.mkv -map 0:0 -map 0:1 -map 0:s:34 -c:v copy -c:a copy -c:s mov_text -metadata:s:s:0 language=chs output.mp4<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\"><li><code>-map<\/code>\u00a0\u9009\u9879\u53ef\u5c06\u4f60\u60f3\u9009\u62e9\u7684\u539fmkv\u6587\u4ef6\u4e2d\u7684\u89c6\u9891\u6d41 (<code>v<\/code>) \/\u97f3\u9891\u6d41 (<code>a<\/code>) \/ \u5b57\u5e55\u6d41 (<code>s<\/code>) \u590d\u5236\u5230\u8f93\u51fa\u4e2d\uff1b<code>:<\/code>\u00a0\u540e\u7684\u6570\u5b57\u4ee3\u8868\u539fmkv\u6587\u4ef6\u4e2d\u7684\u7b2c\u51e0\u4e2a\u6d41\uff08mkv \u91cc\u6709\u591a\u4e2a\u97f3\u9891\u6d41\/\u5b57\u5e55\u6d41\uff09\u3002<ul><li>\u672c\u4f8b\u4e2d\u9009\u62e9\u4e86\u7b2c0\u4e2a\u89c6\u9891\u6d41\uff08\u9ed8\u8ba4\uff09\uff0c\u7b2c1\u4e2a\u97f3\u9891\u6d41\uff0c\u7b2c34\u4e2a\u5b57\u5e55\u6d41\uff08\u7b80\u4f53\u4e2d\u6587\uff09\u3002<\/li><\/ul><\/li><li><code>-c<\/code>\u00a0\u9009\u9879\u5219\u4ee3\u7f16\u89e3\u7801\u5668\u540d\u79f0\uff0c<code>:<\/code>\u00a0\u540e\u7684\u00a0<code>v\/a\/s<\/code>\u00a0\u610f\u4e49\u540c\u4e0a\uff1b<ul><li>\u5728\u672c\u4f8b\u4e2d\u89c6\u9891\u548c\u97f3\u9891\u7684\u7f16\u89e3\u7801\u5668\u76f4\u63a5\u590d\u5236\u7684\u539f\u89c6\u9891\u97f3\u9891\u6d41\u7684\u7f16\u7801\u5668\uff0c\u6240\u4ee5\u7f16\u7801\u5668\u8bbe\u7f6e\u7684\u4e3a\u00a0<code>copy<\/code>\u00a0\u3002<\/li><li>\u800c\u00a0<code>mov_text<\/code>\u00a0\u5219\u4e3a\u6b64\u7c7b\u8f6f\u5b57\u5e55\u7f16\u7801\u5668<\/li><\/ul><\/li><li><code>-metadata<\/code>\u00a0\u9009\u9879\u53ef\u8bbe\u7f6e\u89c6\u9891\u7684\u5143\u6570\u636e\u4fe1\u606f\uff0c\u4e4b\u540e\u7684\u00a0<code>:s:s:0<\/code>\u00a0\u4e3a\u53ef\u9009\u9879\uff0c\u7a7a\u683c\u4e4b\u540e\u63a5\u4e00\u4e2a\u8981\u8bbe\u7f6e\u5143\u4fe1\u606f\u7684\u952e\u503c\u5bf9\u3002<ul><li>\u672c\u4f8b\u4e2d\u7684\u00a0<code>:s:0<\/code>\u00a0\u8868\u793a\u5bf9<strong>\u8f93\u51fa\u6587\u4ef6<\/strong>\u7b2c0\u4e2a\u5b57\u5e55\u6d41\u8fdb\u884c\u5143\u4fe1\u606f\u7684\u8bbe\u7f6e\uff0c\u5c06\u5b57\u5e55\u6807\u8bc6\u4e3a\u7b80\u4f53\u4e2d\u6587\u3002<\/li><li>\u5982\u679c\u8981\u8bbe\u7f6e\u7b2c0\u4e2a\u89c6\u9891\u6d41\u7684\u5143\u4fe1\u606f\uff0c\u5219\u5728\u00a0<code>-metadata<\/code>\u00a0\u4e4b\u540e\u52a0\u00a0<code>:s:a:0<\/code><\/li><\/ul><\/li><li>\u5982\u4e0d\u9700\u8981\u5b57\u5e55\uff0c\u76f4\u63a5\u5c06 -c:s mov_text -metadata:s:s:0 language=chs \u8be5\u6761\u547d\u4ee4\u5220\u9664\u5373\u53ef\uff0c\u547d\u4ee4\u5982\u4e0b\uff1a<\/li><\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code> ffmpeg -i input.mkv -map 0:0 -map 0:1 -qscale 2 -vcodec libx264 output.mp4 <\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"\u5916\u6302\u5b57\u5e55\">\u5916\u6302\u5b57\u5e55<\/h3>\n\n\n\n<p>\u5c34\u5c2c\u7684\u662f iOS \u7248\u7684\u66b4\u98ce\u5f71\u97f3\u4e0d\u652f\u6301&nbsp;<code>mov_text<\/code>&nbsp;\u7f16\u7801\u7684\u8f6f\u5b57\u5e55\uff0c\u90a3\u5c31\u53ea\u80fd\u5c1d\u8bd5\u80fd\u4e0d\u80fd\u7528\u5916\u6302\u5b57\u5e55\u4e86\u3002<\/p>\n\n\n\n<p>\u76f4\u63a5\u901a\u8fc7\u00a0<code>-map<\/code>\u00a0\u9009\u9879\u5c06\u7b80\u4f53\u4e2d\u6587\u5b57\u5e55\u6d41\u5bfc\u51fa\u5230\u00a0<code>output.srt<\/code>\u00a0\u6587\u4ef6<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>ffmpeg -i input.mkv -map 0:s:34 output.srt<\/code><\/pre>\n\n\n\n<p>\u5728\u66b4\u98ce\u5f71\u97f3\u4e2d\u9009\u62e9\u8fd9\u4e2a&nbsp;<code>output.srt<\/code>&nbsp;\u6587\u4ef6\uff0c\u663e\u793a\u51fa\u6765\u5374\u662f\u4e71\u7801\uff0c\u7136\u800c\u5728\u7535\u8111\u4e0a\u7684\u64ad\u653e\u5668\u4e0a\u5374\u4e00\u5207\u6b63\u5e38\uff0c\u8fd9\u66b4\u98ce\u5f71\u97f3\u771f\u7684\u662f\u4e0d\u884c\u554a\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"\u786c\u5b57\u5e55\">\u786c\u5b57\u5e55<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"\u5b57\u5e55\u6587\u4ef6\u5d4c\u5165\u89c6\u9891\">\u5b57\u5e55\u6587\u4ef6\u5d4c\u5165\u89c6\u9891<\/h4>\n\n\n\n<p>\u5c06\u521a\u624d\u5bfc\u51fa\u7684 srt \u6587\u4ef6\u201d\u70e7\u5165\u201d\u5230\u5148\u524d\u751f\u6210\u7684\u90a3\u4e2a&nbsp;<code>output.mp4<\/code>&nbsp;\u6587\u4ef6\u4e2d\uff0c\u56e0\u4e3a\u6b64\u5904\u8981\u5bf9\u6709\u5b57\u5e55\u7684\u89c6\u9891\u5e27\u8fdb\u884c\u538b\u5236\uff0c\u6240\u4ee5\u4f1a\u6bd4\u8f83\u6162\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>ffmpeg -i output.mp4 -vf subtitles=output.srt output-Subtitles.mp4<\/code><\/pre>\n\n\n\n<p><code>-vf<\/code>&nbsp;\u9009\u9879\u4ee3\u8868\u4f7f\u7528\u89c6\u9891\u8fc7\u6ee4\u5668 (Video Filters)<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><code>subtitles<\/code>&nbsp;\u5c31\u4ee3\u8868\u8bbe\u7f6e\u5b57\u5e55\u4e3a&nbsp;<code>=<\/code>&nbsp;\u4e4b\u540e\u63a5\u7684\u5b57\u5e55\u6587\u4ef6 \/ \u6d41<\/li><li>\u5982\u679c\u9700\u8981\u5d4c\u5165\u7684\u662f ass \u683c\u5f0f\u7684\u5b57\u5e55\uff0c\u53ea\u9700\u8981\u5c06&nbsp;<code>subtitles<\/code>&nbsp;\u66ff\u6362\u4e3a&nbsp;<code>ass<\/code>&nbsp;\uff0c\u7136\u540e&nbsp;<code>=<\/code>&nbsp;\u4e4b\u540e\u63a5\u4e0a ass \u5b57\u5e55\u6587\u4ef6\u5373\u53ef\uff0c\u4f8b\u5982&nbsp;<code>ffmpeg -i output.mp4 -vf ass=subtitle.ass output-Subtitles.mp4<\/code><\/li><\/ul>\n\n\n\n<p>\u8fd9\u6b21\u751f\u6210\u7684 mp4 \u6587\u4ef6\u7ec8\u4e8e\u80fd\u5728\u66b4\u98ce\u5f71\u97f3\u91cc\u64ad\u653e\u4e86\uff0c\u771f\u662f\u591f\u6298\u817e\u7684\u2026\u2026<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"\u89c6\u9891\u5b57\u5e55\u6d41\u5d4c\u5165\u89c6\u9891\">\u89c6\u9891\u5b57\u5e55\u6d41\u5d4c\u5165\u89c6\u9891<\/h4>\n\n\n\n<p>\u4f46\u6211\u4e0d\u60f3\u751f\u6210\u4e2d\u95f4\u7684 srt \u5b57\u5e55\u6587\u4ef6\uff0c\u6211\u4eec\u53ef\u4ee5\u76f4\u63a5\u5c06 mkv \u7684\u5b57\u5e55\u6d41\u5728\u8f6c\u6210 mp4 \u7684\u65f6\u5019\u76f4\u63a5\u538b\u5236\u8fdb\u89c6\u9891\u6587\u4ef6\u4e2d<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>ffmpeg -i input.mkv -filter_complex \"&#91;0:v:0]subtitles=input.mkv:si=34&#91;v]\" -map \"&#91;v]\" -map 0:a:0 -c:a copy output.mp4<\/code><\/pre>\n\n\n\n<p>\u6b64\u5904\u4f7f\u7528\u590d\u6742\u56fe\u50cf\u8fc7\u6ee4\u5668 (Complex filtergraphs) \u9009\u9879&nbsp;<code>-filter_complex<\/code>&nbsp;\u6765\u5904\u7406\u89c6\u9891\uff0c\u5c06\u7b2c0\u4e2a\u89c6\u9891\u6d41\u52a0\u4e0a&nbsp;<code>input.mkv<\/code>&nbsp;\u4e2d\u7684\u7b2c34\u4e2a\u5b57\u5e55\u6d41\u4e00\u8d77\u538b\u5236\u5230\u89c6\u9891\u6d41&nbsp;<code>v<\/code>&nbsp;\u4e2d\uff0c\u540c\u65f6\u901a\u8fc7&nbsp;<code>-map<\/code>&nbsp;\u9009\u9879\u5c06\u7b2c0\u4e2a\u97f3\u9891\u6d41\u76f4\u63a5\u5bfc\u51fa\u5230&nbsp;<code>output.mp4<\/code>&nbsp;\u4e2d\u3002<\/p>\n\n\n\n<div class=\"wp-block-pandastudio-title\"><div class=\"title_style_02\"><h3 id=\"h3-3\">\u683c\u5f0f\u8f6c\u6362<\/h3><\/div><\/div>\n\n\n\n<p> \u6211\u60f3\u628a\u7528iPhone\u62cd\u7684.MOV\u6587\u4ef6\u8f6c\u6210.avi\u6587\u4ef6\u3002\u6700\u7b80\u5355\u4e86\uff0c\u53ef\u4ee5\u6267\u884c\u4e0b\u9762\u7684\u547d\u4ee4\uff1a <\/p>\n\n\n\n<p class=\"has-text-color has-vivid-green-cyan-color\">\n\nffmpeg -i D:\\Media\\IMG_0873.MOV D:\\Media\\output.avi\n\n<\/p>\n\n\n\n<p> \u610f\u601d\u662f\uff0c\u628aD:\\Media\u76ee\u5f55\u4e0b\u7684\u6e90\u6587\u4ef6IMG_0873.MOV\uff08\u89c6\u9891\uff1ah.264\uff0c\u97f3\u9891\uff1aaac\uff09\u8f6c\u6362\u6210output.avi\uff08\u7f16\u7801\u683c\u5f0f\u81ea\u52a8\u9009\u62e9\u4e3a\uff1a\u89c6\u9891mpeg4\uff0c\u97f3\u9891mp3\uff09\uff0c\u76ee\u6807\u6587\u4ef6\u4ecd\u7136\u4fdd\u5b58\u5230D:\\Media\u76ee\u5f55\u4e0b\u3002\u95ee\u9898\u6765\u4e86\uff1a\u6211\u60f3\u81ea\u5df1\u6307\u5b9a\u7f16\u7801\u683c\u5f0f\uff0c\u600e\u4e48\u529e\u5462\uff1f\u4e00\u79cd\u65b9\u6cd5\u662f\uff0c\u901a\u8fc7\u76ee\u6807\u6587\u4ef6\u7684\u6269\u5c55\u540d\uff08.flv\u3001.mpg\u3001.mp4\u3001.wmv\u7b49\uff09\u6765\u63a7\u5236\uff0c\u6bd4\u5982\uff1a <\/p>\n\n\n\n<p class=\"has-text-color has-vivid-green-cyan-color\">\n\nffmpeg -i D:\\Media\\IMG_0873.MOV D:\\Media\\output2.flv\n\n<\/p>\n\n\n\n<p>\n\n\u53e6\u4e00\u79cd\u65b9\u6cd5\u662f\u901a\u8fc7-c:v\u53c2\u6570\u6765\u63a7\u5236\uff0c\u6bd4\u5982\u6211\u60f3\u8f93\u51fa\u7684\u89c6\u9891\u683c\u5f0f\u662fH.265\uff08\u8b66\u544a\uff1a\u7f16\u7801\u65f6\u95f4\u4f1a\u6bd4\u8f83\u957f\u54e6\uff09\u3002\u547d\u4ee4\u884c\u5982\u4e0b\uff1a\n\n<\/p>\n\n\n<p><span style=\"color: #33cccc;\">ffmpeg -i D:\\Media\\IMG_0873.MOV&nbsp;<span style=\"color: #339966; background-color: #ffff00;\">-c:v libx265<\/span>&nbsp;D:\\Media\\output265.avi<\/span><\/p>\n\n\n<p><strong>\u6ce8\uff1a<\/strong>\u53ef\u4ee5\u5148\u7528ffmpeg -encoders\u547d\u4ee4\u67e5\u770b\u4e00\u4e0b\u6240\u6709\u53ef\u9009\u7684\u7f16\u7801\u683c\u5f0f\u3002<\/p>\n\n\n\n<p>\u4e0d\u518d\u6df1\u7a76\u4e86\uff0c\u6211\u4eec\u7ee7\u7eed\u3002\u6211\u53d1\u73b0\u6e90\u6587\u4ef6\u7684\u56fe\u50cf\u5e27\u5c3a\u5bf8\u662f1920x 1080\uff0c\u6211\u4e0d\u9700\u8981\u8fd9\u4e48\u5927\u2014\u2014\u80fd\u6709720 x 480\u5c31\u591f\u4e86\u3002\u4e8e\u662f\uff0c\u5c31\u8981\u7528\u4e0a-s\u53c2\u6570\u4e86\u3002\u4e3a\u4e86\u4fdd\u8bc1\u56fe\u50cf\u7f29\u653e\u540e\u7684\u8d28\u91cf\uff0c\u6700\u597d\u52a0\u4e0a\u7801\u6d41\u53c2\u6570-b:v\u3002\u5982\u4e0b\uff1a<\/p>\n\n\n<p><span style=\"color: #33cccc;\">ffmpeg -i D:\\Media\\IMG_0873.MOV<span style=\"background-color: #ffff00;\">&nbsp;<span style=\"color: #339966;\">-s 720&#215;480 -b:v 1500k<\/span><\/span>&nbsp;D:\\Media\\output2.avi<\/span><\/p>\n\n\n<p>\n\n\u8fd8\u53ef\u4ee5\u66f4\u7b80\u5355\u4e00\u70b9\uff0c\u4f7f\u7528-target\u53c2\u6570\u5339\u914d\u884c\u4e1a\u6807\u51c6\uff0c\u53c2\u6570\u503c\u53ef\u4ee5\u662fvcd\u3001svcd\u3001dvd\u3001dv\u3001dv50\u7b49\uff0c\u53ef\u80fd\u8fd8\u9700\u8981\u52a0\u4e0a\u7535\u89c6\u5236\u5f0f\u4f5c\u4e3a\u524d\u7f00\uff08pal-\u3001ntsc-\u6216film-\uff09\u3002\u5982\u4e0b\uff1a\n\n<\/p>\n\n\n<p><span style=\"color: #33cccc;\">ffmpeg -i D:\\Media\\IMG_0873.MOV&nbsp;<span style=\"color: #339966; background-color: #ffff00;\">-target pal-dvd<\/span>&nbsp;D:\\Media\\output2dvd.avi<\/span><\/p>\n\n\n<p>\n\n\u53c8\u6765\u4e00\u4e2a\u95ee\u9898\uff1a\u6211\u53d1\u73b0\u7528\u624b\u673a\u62cd\u7684\u89c6\u9891\u4e2d\uff0c\u6709\u4e9b\u662f\u98a0\u5012\u7684\uff0c\u6211\u60f3\u8ba9\u5b83\u987a\u65f6\u9488\u65cb\u8f6c90\u5ea6\u3002\u8fd9\u65f6\u5019\uff0c\u53ef\u4ee5\u4f7f\u7528-vf\u53c2\u6570\u52a0\u5165\u4e00\u4e2a\u8fc7\u6ee4\u5668\uff0c\u5982\u4e0b\uff1a\n\n<\/p>\n\n\n<p><span style=\"color: #33cccc;\">ffmpeg -i D:\\Media\\IMG_0873.MOV&nbsp;<span style=\"color: #339966; background-color: #ffff00;\">-vf &#8220;rotate=90*PI\/180&#8221;<\/span>&nbsp;D:\\Media\\output3.avi<\/span><\/p>\n\n\n<p><strong>\u6ce8\uff1a<\/strong>\u5982\u679c\u60f3\u9006\u65f6\u9488\u65cb\u8f6c90\u5ea6\uff0c90\u524d\u9762\u52a0\u4e2a\u8d1f\u53f7\u5c31\u53ef\u4ee5\u4e86\u3002<\/p>\n\n\n\n<p>\u5982\u679c\u6211\u53ea\u9700\u8981\u4ece\u6e90\u89c6\u9891\u91cc\u622a\u53d6\u4e00\u5c0f\u6bb5\uff0c\u600e\u4e48\u529e\u5462\uff1f\u6bd4\u5982\u4ece\u7b2c2\u79d2\u7684\u5730\u65b9\u5f00\u59cb\uff0c\u5f80\u540e\u622a\u53d610\u79d2\u949f\u3002\u547d\u4ee4\u884c\u53ef\u4ee5\u8fd9\u6837\uff1a<\/p>\n\n\n<p><span style=\"color: #33cccc;\">ffmpeg&nbsp;<span style=\"color: #339966; background-color: #ffff00;\">-ss 2 -t 10&nbsp;-i<\/span> D:\\Media\\IMG_0873.MOV D:\\Media\\output4.avi<\/span><\/p>\n\n\n<p><strong>\u6ce8\uff1a<\/strong>\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c-ss\u548c-t\u53c2\u6570\u5fc5\u987b\u653e\u5728-i\u524d\u9762\uff0c\u8868\u793a\u662f\u9650\u5b9a\u540e\u9762\u8ddf\u7740\u7684\u8f93\u5165\u6587\u4ef6\u7684\u3002\n\n<\/p>\n\n\n\n<div class=\"wp-block-pandastudio-title\"><div class=\"title_style_02\"><h3 id=\"h3-4\"> <strong>\u89c6\u9891\u5408\u6210<\/strong> <\/h3><\/div><\/div>\n\n\n\n<p>\u6211\u53d1\u73b0\uff0c\u7528\u624b\u673a\u62cd\u7684\u89c6\u9891\u6709\u65f6\u5019\u80cc\u666f\u566a\u97f3\u6bd4\u8f83\u5927\u3002\u600e\u4e48\u628a\u566a\u97f3\u53bb\u6389\uff0c\u6362\u6210\u4e00\u6bb5\u7f8e\u5999\u7684\u97f3\u4e50\u5462\uff1f\u4f7f\u7528FFmpeg\u4e5f\u80fd\u8f7b\u6613\u505a\u5230\u3002<\/p>\n\n\n\n<p>\u7b2c\u4e00\u6b65\uff1a\u628a\u6e90\u6587\u4ef6\u91cc\u7684\u97f3\u9891\u53bb\u6389\uff0c\u751f\u6210\u4e00\u4e2a\u4e34\u65f6\u6587\u4ef6tmp.mov<\/p>\n\n\n<p><span style=\"color: #33cccc;\">ffmpeg -i D:\\Media\\IMG_0873.MOV&nbsp;<span style=\"color: #339966; background-color: #ffff00;\">-vcodec copy -an<\/span>&nbsp;D:\\Media\\tmp.mov<\/span><\/p>\n\n\n<p><strong>\u6ce8\uff1a<\/strong>-vcodeccopy\u7684\u610f\u601d\u662f\u5bf9\u6e90\u89c6\u9891\u4e0d\u89e3\u7801\uff0c\u76f4\u63a5\u62f7\u8d1d\u5230\u76ee\u6807\u6587\u4ef6\uff1b-an\u7684\u610f\u601d\u662f\u5c06\u6e90\u6587\u4ef6\u91cc\u7684\u97f3\u9891\u4e22\u5f03\u3002<\/p>\n\n\n\n<p>\u7b2c\u4e8c\u6b65\uff1a\u628a\u8fd9\u4e2a\u65e0\u58f0\u7684\u89c6\u9891\u6587\u4ef6\uff08tmp.mov\uff09\u4e0e\u4e00\u4e2a\u97f3\u4e50\u6587\u4ef6\uff08music.mp3\uff09\u5408\u6210\uff0c\u6700\u7ec8\u751f\u6210output.mov<\/p>\n\n\n<p><span style=\"color: #33cccc;\">ffmpeg -i D:\\Media\\tmp.mov&nbsp;<span style=\"color: #339966; background-color: #ffff00;\">-ss 30 -t 52&nbsp;-i<\/span> D:\\Media\\music.mp3&nbsp;<span style=\"color: #339966; background-color: #ffff00;\">-vcodec copy<\/span>&nbsp;D:\\Media\\output5.avi<\/span><\/p>\n\n\n<p>\u4e3a\u4e86\u4fdd\u8bc1\u826f\u597d\u7684\u5408\u6210\u6548\u679c\uff0c\u97f3\u4e50\u65f6\u957f\u5fc5\u987b\u5339\u914d\u89c6\u9891\u65f6\u957f\u3002\u8fd9\u91cc\u6211\u4eec\u4e8b\u5148\u77e5\u9053\u89c6\u9891\u65f6\u957f\u4e3a52\u79d2\uff0c\u4e8e\u662f\u622a\u53d6music.mp3\u6587\u4ef6\u7684\u7b2c30\u79d2\u5f80\u540e\u768452\u79d2\u4e0e\u89c6\u9891\u5408\u6210\u3002\u53e6\u5916\uff0c\u4e3a\u4e86\u4fdd\u8bc1\u97f3\u9891\u65f6\u957f\u622a\u53d6\u7684\u51c6\u786e\u6027\uff0c\u6211\u4eec\u8fd9\u91cc\u6ca1\u6709\u4f7f\u7528-acodec copy\uff0c\u800c\u662f\u8ba9\u97f3\u9891\u91cd\u65b0\u8f6c\u7801\u3002<\/p>\n\n\n\n<p>\u8fd8\u6709\u4e00\u79cd\u60c5\u51b5\uff1a\u6211\u4eec\u5e0c\u671b\u5728\u4e00\u6bb5\u89c6\u9891\u4e0a\u53e0\u52a0\u4e00\u5f20\u56fe\u7247\u3002\u53ef\u4ee5\u7b80\u5355\u5b9e\u73b0\u5982\u4e0b\uff1a<\/p>\n\n\n<p><span style=\"color: #33cccc;\">ffmpeg -i D:\\Media\\IMG_0873.MOV -i D:\\Media\\logo.png&nbsp;<span style=\"color: #339966; background-color: #ffff00;\">-filter_complex &#8216;overlay&#8217;<\/span>&nbsp;D:\\Media\\output6.avi<\/span><\/p>\n\n\n<div class=\"wp-block-pandastudio-title\"><div class=\"title_style_02\"><h3 id=\"h3-5\"> <strong>\u89c6\u9891\u64ad\u653e<\/strong> <\/h3><\/div><\/div>\n\n\n\n<p> \u683c\u5f0f\u8f6c\u6362\u6216\u5408\u6210\u4e4b\u540e\uff0c\u6211\u4eec\u9700\u8981\u8bd5\u7740\u64ad\u653e\u4e00\u4e0b\u3002\u64ad\u653e\u5668\u7684\u9009\u62e9\u5f88\u591a\u3002\u8fd9\u91cc\u987a\u624b\u7528ffplay\u5de5\u5177\u4e5f\u884c\uff1a <\/p>\n\n\n<p><span style=\"color: #33cccc;\">ffplay -i D:\\Media\\output6.avi<\/span><\/p>\n\n\n<div class=\"wp-block-pandastudio-title\"><div class=\"title_style_02\"><h3 id=\"h3-6\"> <strong>\u83b7\u53d6\u89c6\u9891\u4fe1\u606f<\/strong> <\/h3><\/div><\/div>\n\n\n\n<p> \u6709\u65f6\u5019\uff0c\u6211\u53ea\u662f\u60f3\u770b\u770b\u8fd9\u4e2a\u89c6\u9891\u6587\u4ef6\u7684\u683c\u5f0f\u4fe1\u606f\u3002\u53ef\u4ee5\u7528ffprobe\u5de5\u5177\uff1a <\/p>\n\n\n<p><span style=\"color: #33cccc;\">ffprobe -i D:\\Media\\IMG_0873.MOV<\/span><\/p>\n\n\n<div class=\"wp-block-pandastudio-title\"><div class=\"title_style_01\"><h2 id=\"h2-7\"> <strong>\u5176\u4ed6\u5e94\u7528<\/strong> <\/h2><\/div><\/div>\n\n\n\n<p> FFmpeg\u7684\u529f\u80fd\u975e\u5e38\u5f3a\u5927\u3002\u5173\u952e\u662f\u8981\u7406\u89e3\u5404\u79cd\u53c2\u6570\u7684\u610f\u4e49\uff0c\u5e76\u4e14\u5de7\u5999\u642d\u914d\u3002\u5fc5\u8981\u7684\u8bdd\uff0c\u5c31\u628a\u5728\u7ebf\u6587\u6863\u5b8c\u6574\u8bfb\u4e00\u904d\u5427\uff1a<a href=\"http:\/\/www.ffmpeg.org\/ffmpeg.html\ufeff\">\u5b98\u65b9\u6587\u6863<\/a><\/p>\n\n\n\n<div class=\"wp-block-pandastudio-title\"><div class=\"title_style_01\"><h2 id=\"h2-8\"> <strong>\u53c2\u6570\u8bf4\u660e<\/strong> <\/h2><\/div><\/div>\n\n\n\n<p>\u8f6c\u6362\u6587\u4ef6test.avi\u5230test.flv<\/p>\n\n\n\n<p>ffmpeg -i test.avi -ab 56 -ar 22050 -b 500 -r 29.97 -s 320&#215;240 test.flv<br>\u5bf9\u6587\u4ef6\u6293\u7f29\u5fae\u56fe:<\/p>\n\n\n\n<p>ffmpeg -i &#8220;test.avi&#8221; -y -f image2 -ss 4 -t 0.001 -s 350&#215;240 test.jpg<br>\u5bf9\u5df2\u6709flv\u6587\u4ef6\u6293\u56fe\uff1a<br>ffmpeg -i &#8220;test.flv&#8221; -y -f image2 -ss 8 -t 0.001 -s 350&#215;240 test.jpg<\/p>\n\n\n\n<p>Ffmpeg\u8f6c\u6362\u547d\u4ee4(\u6d4b\u8bd5\u672a\u901a\u8fc7)<\/p>\n\n\n\n<p>ffmpeg -y -i test.avi -bitexact -vcodec h263 -b 128 -r 15 -s 176&#215;144 -acodec aac -ac 2 -ar 22500 -ab 24 -f 3gp test.3gp<\/p>\n\n\n\n<p>ffmpeg -y -i test.avi -ac 1 -acodec amr_nb -ar 8000 -s 176&#215;144 -b 128 -r 15 test.3gp<\/p>\n\n\n\n<p>-y\uff08\u8986\u76d6\u8f93\u51fa\u6587\u4ef6\uff0c\u5373\u5982\u679c1.***\u6587\u4ef6\u5df2\u7ecf\u5b58\u5728\u7684\u8bdd\uff0c\u4e0d\u7ecf\u63d0\u793a\u5c31\u8986\u76d6\u6389\u4e86\uff09<\/p>\n\n\n\n<p>-i &#8220;1.avi&#8221;\uff08\u8f93\u5165\u6587\u4ef6\u662f\u548cffmpeg\u5728\u540c\u4e00\u76ee\u5f55\u4e0b\u76841.avi\u6587\u4ef6\uff0c\u53ef\u4ee5\u81ea\u5df1\u52a0\u8def\u5f84\uff0c\u6539\u540d\u5b57\uff09<\/p>\n\n\n\n<p>-title &#8220;Test&#8221;\uff08\u5728PSP\u4e2d\u663e\u793a\u7684\u5f71\u7247\u7684\u6807\u9898\uff09<\/p>\n\n\n\n<p>-vcodec xvid\uff08\u4f7f\u7528XVID\u7f16\u7801\u538b\u7f29\u89c6\u9891\uff0c\u4e0d\u80fd\u6539\u7684\uff09<\/p>\n\n\n\n<p>-s 368&#215;208\uff08\u8f93\u51fa\u7684\u5206\u8fa8\u7387\u4e3a368&#215;208\uff0c\u6ce8\u610f\u7247\u6e90\u4e00\u5b9a\u8981\u662f16:9\u7684\u4e0d\u7136\u4f1a\u53d8\u5f62\uff09<\/p>\n\n\n\n<p>-r 29.97\uff08\u5e27\u6570\uff0c\u4e00\u822c\u5c31\u7528\u8fd9\u4e2a\u5427\uff09<\/p>\n\n\n\n<p>-b 1500\uff08\u89c6\u9891\u6570\u636e\u6d41\u91cf\uff0c\u7528-b xxxx\u7684\u6307\u4ee4\u5219\u4f7f\u7528\u56fa\u5b9a\u7801\u7387\uff0c\u6570\u5b57\u968f\u4fbf\u6539\uff0c1500\u4ee5\u4e0a\u6ca1\u6548\u679c\uff1b\u8fd8\u53ef\u4ee5\u7528\u52a8\u6001\u7801\u7387\u5982\uff1a-qscale 4\u548c-qscale 6\uff0c4\u7684\u8d28\u91cf\u6bd46\u9ad8\uff09<\/p>\n\n\n\n<p>-acodec aac\uff08\u97f3\u9891\u7f16\u7801\u7528AAC\uff09<\/p>\n\n\n\n<p>-ac 2\uff08\u58f0\u9053\u65701\u62162\uff09<\/p>\n\n\n\n<p>-ar 24000\uff08\u58f0\u97f3\u7684\u91c7\u6837\u9891\u7387\uff0c\u597d\u50cfPSP\u53ea\u80fd\u652f\u630124000Hz\uff09<\/p>\n\n\n\n<p>-ab 128\uff08\u97f3\u9891\u6570\u636e\u6d41\u91cf\uff0c\u4e00\u822c\u9009\u62e932\u300164\u300196\u3001128\uff09<\/p>\n\n\n\n<p>-vol 200\uff08200%\u7684\u97f3\u91cf\uff0c\u81ea\u5df1\u6539\uff09<\/p>\n\n\n\n<p>-f psp\uff08\u8f93\u51fapsp\u4e13\u7528\u683c\u5f0f\uff09<\/p>\n\n\n\n<p>-muxvb 768\uff08\u597d\u50cf\u662f\u7ed9PSP\u673a\u5668\u8bc6\u522b\u7684\u7801\u7387\uff0c\u4e00\u822c\u9009\u62e9384\u3001512\u548c768\uff0c\u6211\u6539\u62101500\uff0cPSP\u5c31\u8bf4\u6587\u4ef6\u635f\u574f\u4e86\uff09<\/p>\n\n\n\n<p>&#8220;1.***&#8221;\uff08\u8f93\u51fa\u6587\u4ef6\u540d\uff0c\u4e5f\u53ef\u4ee5\u52a0\u8def\u5f84\u6539\u6587\u4ef6\u540d\uff09<\/p>\n\n\n\n<p>-ab bitrate \u8bbe\u7f6e\u97f3\u9891\u7801\u7387<\/p>\n\n\n\n<p>-ar freq \u8bbe\u7f6e\u97f3\u9891\u91c7\u6837\u7387<\/p>\n\n\n\n<p>-ss \u6307\u5b9a\u65f6\u95f4\u70b9\u5f00\u59cb\u8f6c\u6362\u4efb\u52a1,(time_off set the start time offset),-ss\u540e\u8ddf\u7684\u65f6\u95f4\u5355\u4f4d\u4e3a\u79d2 .<\/p>\n\n\n\n<p>-s 320&#215;240 \u6307\u5b9a\u5206\u8fa8\u7387<\/p>\n\n\n\n<p>-r 29.97 \u6862\u901f\u7387<\/p>\n\n\n\n<p>-bitexact \u4f7f\u7528\u6807\u51c6\u6bd4\u7279\u7387<\/p>\n\n\n\n<p>-vcodec xvid \u4f7f\u7528xvid\u538b\u7f29<\/p>\n\n\n\n<hr class=\"wp-block-separator is-cnvs-separator-id-1589445634140\"\/>\n\n\n\n<p>\u4f8b\u5b50\uff1affmpeg -y -i &#8220;1.avi&#8221; -title &#8220;Test&#8221; -vcodec xvid -s 368&#215;208 -r 29.97 -b 1500 -acodec aac -ac 2 -ar 24000 -ab 128 -vol 200 -f psp -muxvb 768 &#8220;1.***&#8221;<\/p>\n\n\n\n<p>\u89e3\u91ca\uff1a\u4ee5\u4e0a\u547d\u4ee4\u53ef\u4ee5\u5728Dos\u547d\u4ee4\u884c\u4e2d\u8f93\u5165\uff0c\u4e5f\u53ef\u4ee5\u521b\u5efa\u5230\u6279\u5904\u7406\u6587\u4ef6\u4e2d\u8fd0\u884c\u3002\u4e0d\u8fc7\uff0c\u524d\u63d0\u662f\uff1a\u8981\u5728ffmpeg\u6240\u5728\u7684\u76ee\u5f55\u4e2d\u6267\u884c\uff08\u8f6c\u6362\u541b\u6240\u5728\u76ee\u5f55\u4e0b\u9762\u7684cores\u5b50\u76ee\u5f55\uff09\u3002<br>\u53c2\u6570\uff1a<br>-y\uff08\u8986\u76d6\u8f93\u51fa\u6587\u4ef6\uff0c\u5373\u5982\u679c1.***\u6587\u4ef6\u5df2\u7ecf\u5b58\u5728\u7684\u8bdd\uff0c\u4e0d\u7ecf\u63d0\u793a\u5c31\u8986\u76d6\u6389\u4e86\uff09<\/p>\n\n\n\n<p>-i 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xxxx\u7684\u6307\u4ee4\u5219\u4f7f\u7528\u56fa\u5b9a\u7801\u7387\uff0c\u6570\u5b57\u968f\u4fbf\u6539\uff0c1500\u4ee5\u4e0a\u6ca1\u6548\u679c\uff1b\u8fd8\u53ef\u4ee5\u7528\u52a8\u6001\u7801\u7387\u5982\uff1a-qscale 4\u548c-qscale 6\uff0c4\u7684\u8d28\u91cf\u6bd46\u9ad8\uff09<\/p>\n\n\n\n<p>-acodec aac\uff08\u97f3\u9891\u7f16\u7801\u7528AAC\uff09<\/p>\n\n\n\n<p>-ac 2\uff08\u58f0\u9053\u65701\u62162\uff09<\/p>\n\n\n\n<p>-ar 24000\uff08\u58f0\u97f3\u7684\u91c7\u6837\u9891\u7387\uff0c\u597d\u50cfPSP\u53ea\u80fd\u652f\u630124000Hz\uff09<\/p>\n\n\n\n<p>-ab 128\uff08\u97f3\u9891\u6570\u636e\u6d41\u91cf\uff0c\u4e00\u822c\u9009\u62e932\u300164\u300196\u3001128\uff09<\/p>\n\n\n\n<p>-vol 200\uff08200%\u7684\u97f3\u91cf\uff0c\u81ea\u5df1\u6539\uff09<\/p>\n\n\n\n<p>-f psp\uff08\u8f93\u51fapsp\u4e13\u7528\u683c\u5f0f\uff09<\/p>\n\n\n\n<p>-muxvb 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aspect \u8bbe\u7f6e\u6a2a\u7eb5\u6bd4 4:3 16:9 \u6216 1.3333 1.7777<\/p>\n\n\n\n<p>-croptop size \u8bbe\u7f6e\u9876\u90e8\u5207\u9664\u5e26\u5927\u5c0f \u50cf\u7d20\u5355\u4f4d<\/p>\n\n\n\n<p>-cropbottom size \u2013cropleft size \u2013cropright size<\/p>\n\n\n\n<p>-padtop size \u8bbe\u7f6e\u9876\u90e8\u8865\u9f50\u7684\u5927\u5c0f \u50cf\u7d20\u5355\u4f4d<\/p>\n\n\n\n<p>-padbottom size \u2013padleft size \u2013padright size \u2013padcolor color \u8bbe\u7f6e\u8865\u9f50\u6761\u989c\u8272(hex,6\u4e2a16\u8fdb\u5236\u7684\u6570\uff0c\u7ea2:\u7eff:\u5170\u6392\u5217\uff0c\u6bd4\u5982 000000\u4ee3\u8868\u9ed1\u8272)<\/p>\n\n\n\n<p>-vn \u4e0d\u505a\u89c6\u9891\u8bb0\u5f55<\/p>\n\n\n\n<p>-bt tolerance \u8bbe\u7f6e\u89c6\u9891\u7801\u7387\u5bb9\u5fcd\u5ea6kbit\/s<\/p>\n\n\n\n<p>-maxrate bitrate\u8bbe\u7f6e\u6700\u5927\u89c6\u9891\u7801\u7387\u5bb9\u5fcd\u5ea6<\/p>\n\n\n\n<p>-minrate bitreate \u8bbe\u7f6e\u6700\u5c0f\u89c6\u9891\u7801\u7387\u5bb9\u5fcd\u5ea6<\/p>\n\n\n\n<p>-bufsize size \u8bbe\u7f6e\u7801\u7387\u63a7\u5236\u7f13\u51b2\u533a\u5927\u5c0f<\/p>\n\n\n\n<p>-vcodec codec \u5f3a\u5236\u4f7f\u7528codec\u7f16\u89e3\u7801\u65b9\u5f0f\u3002 \u5982\u679c\u7528copy\u8868\u793a\u539f\u59cb\u7f16\u89e3\u7801\u6570\u636e\u5fc5\u987b\u88ab\u62f7\u8d1d\u3002<\/p>\n\n\n\n<p>-sameq \u4f7f\u7528\u540c\u6837\u89c6\u9891\u8d28\u91cf\u4f5c\u4e3a\u6e90\uff08VBR\uff09<\/p>\n\n\n\n<p>-pass n \u9009\u62e9\u5904\u7406\u904d\u6570\uff081\u6216\u80052\uff09\u3002\u4e24\u904d\u7f16\u7801\u975e\u5e38\u6709\u7528\u3002\u7b2c\u4e00\u904d\u751f\u6210\u7edf\u8ba1\u4fe1\u606f\uff0c\u7b2c\u4e8c\u904d\u751f\u6210\u7cbe\u786e\u7684\u8bf7\u6c42\u7684\u7801\u7387<\/p>\n\n\n\n<p>-passlogfile file \u9009\u62e9\u4e24\u904d\u7684\u7eaa\u5f55\u6587\u4ef6\u540d\u4e3afile<\/p>\n\n\n\n<div class=\"wp-block-pandastudio-title\"><div class=\"title_style_02\"><h3 id=\"h3-11\"> c)<strong>\u9ad8\u7ea7\u89c6\u9891\u9009\u9879<\/strong> <\/h3><\/div><\/div>\n\n\n\n<p>-g gop_size \u8bbe\u7f6e\u56fe\u50cf\u7ec4\u5927\u5c0f<\/p>\n\n\n\n<p>-intra \u4ec5\u9002\u7528\u5e27\u5185\u7f16\u7801<\/p>\n\n\n\n<p>-qscale q \u4f7f\u7528\u56fa\u5b9a\u7684\u89c6\u9891\u91cf\u5316\u6807\u5ea6(VBR)<\/p>\n\n\n\n<p>-qmin q \u6700\u5c0f\u89c6\u9891\u91cf\u5316\u6807\u5ea6(VBR)<\/p>\n\n\n\n<p>-qmax q \u6700\u5927\u89c6\u9891\u91cf\u5316\u6807\u5ea6(VBR)<\/p>\n\n\n\n<p>-qdiff q \u91cf\u5316\u6807\u5ea6\u95f4\u6700\u5927\u504f\u5dee (VBR)<\/p>\n\n\n\n<p>-qblur blur \u89c6\u9891\u91cf\u5316\u6807\u5ea6\u67d4\u5316(VBR)<\/p>\n\n\n\n<p>-qcomp compression \u89c6\u9891\u91cf\u5316\u6807\u5ea6\u538b\u7f29(VBR)<\/p>\n\n\n\n<p>-rc_init_cplx complexity \u4e00\u904d\u7f16\u7801\u7684\u521d\u59cb\u590d\u6742\u5ea6<\/p>\n\n\n\n<p>-b_qfactor factor \u5728p\u548cb\u5e27\u95f4\u7684qp\u56e0\u5b50<\/p>\n\n\n\n<p>-i_qfactor factor \u5728p\u548ci\u5e27\u95f4\u7684qp\u56e0\u5b50<\/p>\n\n\n\n<p>-b_qoffset offset \u5728p\u548cb\u5e27\u95f4\u7684qp\u504f\u5dee<\/p>\n\n\n\n<p>-i_qoffset offset \u5728p\u548ci\u5e27\u95f4\u7684qp\u504f\u5dee<\/p>\n\n\n\n<p>-rc_eq equation \u8bbe\u7f6e\u7801\u7387\u63a7\u5236\u65b9\u7a0b \u9ed8\u8ba4tex^qComp<\/p>\n\n\n\n<p>-rc_override override \u7279\u5b9a\u95f4\u9694\u4e0b\u7684\u901f\u7387\u63a7\u5236\u91cd\u8f7d<\/p>\n\n\n\n<p>-me method \u8bbe\u7f6e\u8fd0\u52a8\u4f30\u8ba1\u7684\u65b9\u6cd5 \u53ef\u7528\u65b9\u6cd5\u6709 zero phods log x1 epzs(\u7f3a\u7701) full<\/p>\n\n\n\n<p>-dct_algo algo \u8bbe\u7f6edct\u7684\u7b97\u6cd5 \u53ef\u7528\u7684\u6709 0 FF_DCT_AUTO \u7f3a\u7701\u7684DCT 1 FF_DCT_FASTINT 2 FF_DCT_INT 3 FF_DCT_MMX 4 FF_DCT_MLIB 5 FF_DCT_ALTIVEC<\/p>\n\n\n\n<p>-idct_algo algo \u8bbe\u7f6eidct\u7b97\u6cd5\u3002\u53ef\u7528\u7684\u6709 0 FF_IDCT_AUTO \u7f3a\u7701\u7684IDCT 1 FF_IDCT_INT 2 FF_IDCT_SIMPLE 3 FF_IDCT_SIMPLEMMX 4 FF_IDCT_LIBMPEG2MMX 5 FF_IDCT_PS2 6 FF_IDCT_MLIB 7 FF_IDCT_ARM 8 FF_IDCT_ALTIVEC 9 FF_IDCT_SH4 10 FF_IDCT_SIMPLEARM<\/p>\n\n\n\n<p>-er n \u8bbe\u7f6e\u9519\u8bef\u6b8b\u7559\u4e3an 1 FF_ER_CAREFULL \u7f3a\u7701 2 FF_ER_COMPLIANT 3 FF_ER_AGGRESSIVE 4 FF_ER_VERY_AGGRESSIVE<\/p>\n\n\n\n<p>-ec bit_mask \u8bbe\u7f6e\u9519\u8bef\u63a9\u853d\u4e3abit_mask,\u8be5\u503c\u4e3a\u5982\u4e0b\u503c\u7684\u4f4d\u63a9\u7801 1 FF_EC_GUESS_MVS (default=enabled) 2 FF_EC_DEBLOCK (default=enabled)<\/p>\n\n\n\n<p>-bf frames \u4f7f\u7528frames B \u5e27\uff0c\u652f\u6301mpeg1,mpeg2,mpeg4<\/p>\n\n\n\n<p>-mbd mode \u5b8f\u5757\u51b3\u7b56 0 FF_MB_DECISION_SIMPLE \u4f7f\u7528mb_cmp 1 FF_MB_DECISION_BITS 2 FF_MB_DECISION_RD<\/p>\n\n\n\n<p>-4mv \u4f7f\u75284\u4e2a\u8fd0\u52a8\u77e2\u91cf \u4ec5\u7528\u4e8empeg4<\/p>\n\n\n\n<p>-part \u4f7f\u7528\u6570\u636e\u5212\u5206 \u4ec5\u7528\u4e8empeg4<\/p>\n\n\n\n<p>-bug param \u7ed5\u8fc7\u6ca1\u6709\u88ab\u81ea\u52a8\u76d1\u6d4b\u5230\u7f16\u7801\u5668\u7684\u95ee\u9898<\/p>\n\n\n\n<p>-strict strictness \u8ddf\u6807\u51c6\u7684\u4e25\u683c\u6027<\/p>\n\n\n\n<p>-aic \u4f7f\u80fd\u9ad8\u7ea7\u5e27\u5185\u7f16\u7801 h263+<\/p>\n\n\n\n<p>-umv \u4f7f\u80fd\u65e0\u9650\u8fd0\u52a8\u77e2\u91cf h263+<\/p>\n\n\n\n<p>-deinterlace \u4e0d\u91c7\u7528\u4ea4\u7ec7\u65b9\u6cd5<\/p>\n\n\n\n<p>-interlace \u5f3a\u8feb\u4ea4\u7ec7\u6cd5\u7f16\u7801 \u4ec5\u5bf9mpeg2\u548cmpeg4\u6709\u6548\u3002\u5f53\u4f60\u7684\u8f93\u5165\u662f\u4ea4\u7ec7\u7684\u5e76\u4e14\u4f60\u60f3\u8981\u4fdd\u6301\u4ea4\u7ec7\u4ee5\u6700\u5c0f\u56fe\u50cf\u635f\u5931\u7684\u65f6\u5019\u91c7\u7528\u8be5\u9009\u9879\u3002\u53ef\u9009\u7684\u65b9\u6cd5\u662f\u4e0d\u4ea4\u7ec7\uff0c\u4f46\u662f\u635f\u5931\u66f4\u5927<\/p>\n\n\n\n<p>-psnr \u8ba1\u7b97\u538b\u7f29\u5e27\u7684psnr<\/p>\n\n\n\n<p>-vstats \u8f93\u51fa\u89c6\u9891\u7f16\u7801\u7edf\u8ba1\u5230vstats_hhmmss.log<\/p>\n\n\n\n<p>-vhook module \u63d2\u5165\u89c6\u9891\u5904\u7406\u6a21\u5757 module \u5305\u62ec\u4e86\u6a21\u5757\u540d\u548c\u53c2\u6570\uff0c\u7528\u7a7a\u683c\u5206\u5f00<\/p>\n\n\n\n<div class=\"wp-block-pandastudio-title\"><div class=\"title_style_02\"><h3 id=\"h3-12\"> D)<strong>\u97f3\u9891\u9009\u9879<\/strong> <\/h3><\/div><\/div>\n\n\n\n<p>-ab bitrate \u8bbe\u7f6e\u97f3\u9891\u7801\u7387<\/p>\n\n\n\n<p>-ar freq \u8bbe\u7f6e\u97f3\u9891\u91c7\u6837\u7387<\/p>\n\n\n\n<p>-ac channels \u8bbe\u7f6e\u901a\u9053 \u7f3a\u7701\u4e3a1<\/p>\n\n\n\n<p>-an \u4e0d\u4f7f\u80fd\u97f3\u9891\u7eaa\u5f55<\/p>\n\n\n\n<p>-acodec codec \u4f7f\u7528codec\u7f16\u89e3\u7801<\/p>\n\n\n\n<p>E)\u97f3\u9891\/\u89c6\u9891\u6355\u83b7\u9009\u9879<\/p>\n\n\n\n<p>-vd device \u8bbe\u7f6e\u89c6\u9891\u6355\u83b7\u8bbe\u5907\u3002\u6bd4\u5982\/dev\/video0<\/p>\n\n\n\n<p>-vc channel \u8bbe\u7f6e\u89c6\u9891\u6355\u83b7\u901a\u9053 DV1394\u4e13\u7528<\/p>\n\n\n\n<p>-tvstd standard \u8bbe\u7f6e\u7535\u89c6\u6807\u51c6 NTSC PAL(SECAM)<\/p>\n\n\n\n<p>-dv1394 \u8bbe\u7f6eDV1394\u6355\u83b7<\/p>\n\n\n\n<p>-av device \u8bbe\u7f6e\u97f3\u9891\u8bbe\u5907 \u6bd4\u5982\/dev\/dsp<\/p>\n\n\n\n<div class=\"wp-block-pandastudio-title\"><div class=\"title_style_02\"><h3 id=\"h3-13\"> F)<strong>\u9ad8\u7ea7\u9009\u9879<\/strong> <\/h3><\/div><\/div>\n\n\n\n<p>-map file:stream \u8bbe\u7f6e\u8f93\u5165\u6d41\u6620\u5c04<\/p>\n\n\n\n<p>-debug \u6253\u5370\u7279\u8c03\u8bd5\u4fe1\u606f<\/p>\n\n\n\n<p>-benchmark \u4e3a\u57fa\u51c6\u6d4b\u8bd5\u52a0\u5165\u65f6\u95f4<\/p>\n\n\n\n<p>-hex \u503e\u5012\u6bcf\u4e00\u4e2a\u8f93\u5165\u5305<\/p>\n\n\n\n<p>-bitexact \u4ec5\u4f7f\u7528\u4f4d\u7cbe\u786e\u7b97\u6cd5 \u7528\u4e8e\u7f16\u89e3\u7801\u6d4b\u8bd5<\/p>\n\n\n\n<p>-ps size \u8bbe\u7f6e\u5305\u5927\u5c0f\uff0c\u4ee5bits\u4e3a\u5355\u4f4d<\/p>\n\n\n\n<p>-re \u4ee5\u672c\u5730\u5e27\u9891\u8bfb\u6570\u636e\uff0c\u4e3b\u8981\u7528\u4e8e\u6a21\u62df\u6355\u83b7\u8bbe\u5907<\/p>\n\n\n\n<p>-loop \u5faa\u73af\u8f93\u5165\u6d41\u3002\u53ea\u5de5\u4f5c\u4e8e\u56fe\u50cf\u6d41\uff0c\u7528\u4e8effserver\u6d4b\u8bd5<\/p>\n\n\n\n<div class=\"wp-block-pandastudio-title\"><div class=\"title_style_01\"><h2 id=\"h2-14\"> <strong>\u8f6c\u89c6\u9891\u683c\u5f0f<\/strong> <\/h2><\/div><\/div>\n\n\n\n<p>ffmpeng -i source.mp4 -c:v libx264 -crf 24 destination.flv<\/p>\n\n\n\n<p>\u5176\u4e2d -crf \u5f88\u91cd\u8981\uff0c\u662f\u63a7\u5236\u8f6c\u7801\u540e\u89c6\u9891\u7684\u8d28\u91cf\uff0c\u8d28\u91cf\u8d8a\u9ad8\uff0c\u6587\u4ef6\u4e5f\u5c31\u8d8a\u5927\u3002<\/p>\n\n\n\n<p>\u6b64\u503c\u7684\u8303\u56f4\u662f 0 \u5230 51\uff1a0 \u8868\u793a\u9ad8\u6e05\u65e0\u635f\uff1b23 \u662f\u9ed8\u8ba4\u503c\uff08\u5982\u679c\u6ca1\u6709\u6307\u5b9a\u6b64\u53c2\u6570\uff09\uff1b51 \u867d\u7136\u6587\u4ef6\u6700\u5c0f\uff0c\u4f46\u6548\u679c\u662f\u6700\u5dee\u7684\u3002<\/p>\n\n\n\n<p>\u503c\u8d8a\u5c0f\uff0c\u8d28\u91cf\u8d8a\u9ad8\uff0c\u4f46\u6587\u4ef6\u4e5f\u8d8a\u5927\uff0c\u5efa\u8bae\u7684\u503c\u8303\u56f4\u662f 18 \u5230 28\u3002\u800c\u503c 18 \u662f\u89c6\u89c9\u4e0a\u770b\u8d77\u6765\u65e0\u635f\u6216\u63a5\u8fd1\u65e0\u635f\u7684\uff0c\u5f53\u7136\u4e0d\u4ee3\u8868\u662f\u6570\u636e\uff08\u6280\u672f\u4e0a\uff09\u7684\u8f6c\u7801\u65e0\u635f\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator is-cnvs-separator-id-1589445634615\"\/>\n","protected":false},"excerpt":{"rendered":"<p>FFmpeg\u662f\u5f00\u6e90\u7684\u3002\u4f46\u6211\u4eec\u4e0d\u5fc5\u53bb\u4e0b\u8f7d\u5b83\u7684\u6e90\u4ee3\u7801\u3002\u4e0b\u8f7d\u5df2\u7ecf\u7f16\u8bd1\u597d\u7684exe\/dll\u5373\u53ef\u3002\u53ef\u4ee5\u5230http:\/\/ww [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":836,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[18],"tags":[38,19],"class_list":["post-835","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-18","tag-38","tag-19"],"_links":{"self":[{"href":"https:\/\/www.wurend.com\/index.php?rest_route=\/wp\/v2\/posts\/835","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.wurend.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.wurend.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.wurend.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wurend.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=835"}],"version-history":[{"count":0,"href":"https:\/\/www.wurend.com\/index.php?rest_route=\/wp\/v2\/posts\/835\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.wurend.com\/index.php?rest_route=\/wp\/v2\/media\/836"}],"wp:attachment":[{"href":"https:\/\/www.wurend.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=835"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.wurend.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=835"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.wurend.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=835"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}