{"id":2612,"date":"2020-05-26T20:11:38","date_gmt":"2020-05-26T12:11:38","guid":{"rendered":"http:\/\/www.51cos.com\/?p=2612"},"modified":"2020-05-26T20:11:38","modified_gmt":"2020-05-26T12:11:38","slug":"%e5%88%a9%e7%94%a8ffmpeg%e6%98%be%e7%a4%ba%e8%a7%86%e9%a2%91%e6%af%8f%e4%b8%80%e5%b8%a7%e7%9a%84%e5%ba%8f%e5%8f%b7","status":"publish","type":"post","link":"http:\/\/www.51cos.com\/?p=2612","title":{"rendered":"\u5229\u7528ffmpeg\u663e\u793a\u89c6\u9891\u6bcf\u4e00\u5e27\u7684\u5e8f\u53f7"},"content":{"rendered":"

\u5148\u5230FFMPEG\u5b98\u7f51\u4e0b\u8f7dWindows\u7cfb\u7edf\u7528\u7684EXE\u53ef\u6267\u884c\u6863\uff0c\u89e3\u538b\u540e\u627e\u5230ffplay\uff0c\u7136\u540e\u590d\u5236C:\\Windows\\Fonts\u4e0b\u7684arial.ttf\u5230\u5f53\u524d\u76ee\u5f55\u4e2d\uff0c\u6700\u540e\u6309\u7167\u6587\u672b\u7684\u547d\u4ee4\u6267\u884c\u5373\u53ef\u3002<\/p>\n

FFmpeg\u5b98\u7f51\uff1a http:\/\/www.ffmpeg.org
\nFFmpeg doc : http:\/\/www.ffmpeg.org\/documentation.html
\nFFmpeg wiki : https:\/\/trac.ffmpeg.org\/wiki
\nFFmpeg\u57fa\u7840: http:\/\/wenku.baidu.com\/view\/296eefcaf90f76c661371af1.html
\nFmpeg Documentation\u00a0http:\/\/ffmpeg.org\/doxygen\/trunk\/index.html
\nFFmpeg\u7684\u540d\u79f0\u6765\u81eaMPEG\u89c6\u9891\u7f16\u7801\u6807\u51c6\uff0c\u524d\u9762\u7684\u201cFF\u201d\u4ee3\u8868\u201cFast Forward\u201d\uff0cFFmpeg\u662f\u4e00\u5957\u53ef\u4ee5\u7528\u6765\u8bb0\u5f55\u3001\u8f6c\u6362\u6570\u5b57\u97f3\u9891\u3001\u89c6\u9891\uff0c\u5e76\u80fd\u5c06\u5176\u8f6c\u5316\u4e3a\u6d41\u7684\u5f00\u6e90\u8ba1\u7b97\u673a\u7a0b\u5e8f\u3002\u53ef\u4ee5\u8f7b\u6613\u5730\u5b9e\u73b0\u591a\u79cd\u89c6\u9891\u683c\u5f0f\u4e4b\u95f4\u7684\u76f8\u4e92\u8f6c\u6362\u3002FFmpeg\u7684\u7528\u6237\u6709Google\uff0cFacebook\uff0cYoutube\uff0c\u4f18\u9177\uff0c\u7231\u5947\u827a\uff0c\u571f\u8c46\u7b49\u3002<\/p>\n

\u7ec4\u6210:
\n1\u3001libavformat\uff1a\u7528\u4e8e\u5404\u79cd\u97f3\u89c6\u9891\u5c01\u88c5\u683c\u5f0f\u7684\u751f\u6210\u548c\u89e3\u6790\uff0c\u5305\u62ec\u83b7\u53d6\u89e3\u7801\u6240\u9700\u4fe1\u606f\u4ee5\u751f\u6210\u89e3\u7801\u4e0a\u4e0b\u6587\u7ed3\u6784\u548c\u8bfb\u53d6\u97f3\u89c6\u9891\u5e27\u7b49\u529f\u80fd\uff0c\u5305\u542bdemuxers\u548cmuxer\u5e93\uff1b
\n2\u3001libavcodec\uff1a\u7528\u4e8e\u5404\u79cd\u7c7b\u578b\u58f0\u97f3\/\u56fe\u50cf\u7f16\u89e3\u7801\uff1b
\n3\u3001libavutil\uff1a\u5305\u542b\u4e00\u4e9b\u516c\u5171\u7684\u5de5\u5177\u51fd\u6570\uff1b
\n4\u3001libswscale\uff1a\u7528\u4e8e\u89c6\u9891\u573a\u666f\u6bd4\u4f8b\u7f29\u653e\u3001\u8272\u5f69\u6620\u5c04\u8f6c\u6362\uff1b
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\n6\u3001ffmpeg\uff1a\u662f\u4e00\u4e2a\u547d\u4ee4\u884c\u5de5\u5177\uff0c\u7528\u6765\u5bf9\u89c6\u9891\u6587\u4ef6\u8f6c\u6362\u683c\u5f0f\uff0c\u4e5f\u652f\u6301\u5bf9\u7535\u89c6\u5361\u5b9e\u65f6\u7f16\u7801\uff1b
\n7\u3001ffsever\uff1a\u662f\u4e00\u4e2aHTTP\u591a\u5a92\u4f53\u5b9e\u65f6\u5e7f\u64ad\u6d41\u670d\u52a1\u5668\uff0c\u652f\u6301\u65f6\u5149\u5e73\u79fb\uff1b
\n8\u3001ffplay\uff1a\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u64ad\u653e\u5668\uff0c\u4f7f\u7528ffmpeg \u5e93\u89e3\u6790\u548c\u89e3\u7801\uff0c\u901a\u8fc7SDL\u663e\u793a\uff1b<\/p>\n

 <\/p>\n

 <\/p>\n

 <\/p>\n

ffplay -i 2.mkv  -vf drawtext=\"fontfile=arial.ttf:fontcolor=red:fontsize=50:text='welcome':x=(w-tw)\/2:y=(h-th)\/2\"    \/\/\u5c45\u4e2d\u663e\u793awelcome\u6587\u5b57<\/p>\n
ffplay -i 2.mkv  -vf drawtext=\"fontfile=arial.ttf:fontcolor=red:fontsize=50:text='%{localtime\\:%H\\\\\\:%M\\\\\\:%S}':x=(w-tw)\/2:y=(h-th)\/2\"    \/\/\u5c45\u4e2d\u663e\u793a\u65f6\u95f4<\/p>\n
ffplay -i 2.mkv  -vf drawtext=\"fontfile=arial.ttf:fontcolor=red:fontsize=100:text=%{n}:x=(w-tw)\/2:y=(h-th)\/2\"    \/\/\u5c45\u4e2d\u663e\u793a\u89c6\u9891\u7684\u5e27\u53f7
\n <\/p>\n","protected":false},"excerpt":{"rendered":"
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