{"id":512,"date":"2008-07-29T00:00:00","date_gmt":"2008-07-28T16:00:00","guid":{"rendered":"http:\/\/www.strongd.net\/?p=512"},"modified":"2011-07-15T09:23:38","modified_gmt":"2011-07-15T01:23:38","slug":"flv%e5%9c%a8%e7%ba%bf%e5%bd%95%e5%88%b6%e3%80%81%e8%a7%86%e9%a2%91%e8%bd%ac%e6%8d%a2%e7%bd%91%e7%ab%99%e5%bc%80%e5%8f%91%e6%96%87%e6%a1%a3","status":"publish","type":"post","link":"https:\/\/www.strongd.net\/?p=512","title":{"rendered":"flv\u5728\u7ebf\u5f55\u5236\u3001\u89c6\u9891\u8f6c\u6362\u7f51\u7ad9\u5f00\u53d1\u6587\u6863"},"content":{"rendered":"


\n

flv\u5728\u7ebf\u5f55\u5236\u3001\u89c6\u9891\u8f6c\u6362\u7f51\u7ad9\u5f00\u53d1\u6587\u6863<\/H1>

\n

Mencoder\u7b80\u4ecb\uff1a<\/FONT><\/P>
\n

     Mencoder\u662fMplayer\u81ea\u5e26\u7684\u7f16\u7801\u5de5\u5177\uff08Mplayer\u662fLinux\u4e0b\u7684\u64ad\u653e\u5668\uff0c\u5f00\u6e90\uff0c\u652f\u6301\u51e0\u4e4e\u6240\u6709\u89c6\u9891\u683c\u5f0f\u7684\u64ad\u653e\uff0c\u73b0\u5728\u6709windows\u548cMac\u7248\u672c\uff09\u3002<\/P>
\n

Mplayer\u7684\u83b7\u5f97\u4e0e\u914d\u7f6e\uff1a<\/FONT><\/P>
\n

     Mplayer windows\u7248\u672c\u4e0b\u8f7d\u5217\u8868\uff1ahttp:\/\/www5.mplayerhq.hu\/MPlayer\/releases\/win32\/<\/A>
\u5217\u8868\u4e2d\u4f1a\u6709\u7248\u672c\u53d1\u5e03\u65e5\u671f\uff0c\u53ef\u4ee5\u6311\u9009\u6700\u65b0\u7684\u7248\u672c\uff0c\u4e5f\u53ef\u4ee5\u9009\u62e9old\/\u53bb\u4e0b\u8f7d\u8001\u7684\u7248\u672c\uff0c\u7b14\u8005\u7528\u7684\u662f6\u6708\u4efd\u7684\u7248\u672c\u3002\u4e0b\u8f7d\u540e\u89e3\u538b\u5230\u67d0\u4e2a\u6587\u4ef6\u5939\u4e2d\u5373\u53ef\u3002<\/P>
\n

     Codecs\u4e0b\u8f7d\u5217\u8868\uff1ahttp:\/\/www5.mplayerhq.hu\/MPlayer\/releases\/codecs\/<\/A>
\u9009\u62e9windows-all-********.zip\uff08*\u8868\u793a\u5e74\u6708\u65e5\uff09\u4e0b\u8f7d\uff0c\u5c06zip\u5305\u4e2d\u7684\u6587\u4ef6\u5939\u4e0b\u6240\u6709\u6587\u4ef6\uff0c\u5305\u62ec*.dll\u3001*.acm\u3001*.ax\u7b49\u7b49\u5168\u90e8copy\u5230Mplayer\u6839\u76ee\u5f55\u4e0b\u7684codecs\u6587\u4ef6\u5939\u4e2d\u3002<\/P>
\n

     \u6b64\u65f6\u6700\u597d\u628aMplayer.exe\u6240\u5728\u8def\u5f84\uff0c\u540c\u65f6\u4e5f\u662fMencoder.exe\u6240\u5728\u8def\u5f84\u6dfb\u52a0\u5230\u73af\u5883\u53d8\u91cfpath\u4e2d\u3002<\/P>
\n

    \u73b0\u5728\u53ef\u4ee5\u8bd5\u8bd5\u7528Mplayer\u64ad\u653e\u89c6\u9891\uff0c\u6bd4\u5982\u6709\u4e2a\u89c6\u9891\u4f4d\u4e8eD:\\music\\APerfectMatch.wmv\uff0c\u90a3\u4e48\u53ef\u4ee5\u6253\u5f00\u4e00\u4e2acmd\u7a97\u53e3\uff0c\u8f93\u5165 mplayer \u201cD:\\music\\APerfectMatch.wmv\u201d\uff0c\u611f\u53d7\u4e00\u4e0b\u6765\u81eaLinux\u7684\u64ad\u653e\u5668\u5427\uff0c\u53ef\u4ee5\u901a\u8fc7\u952e\u76d8\u6765\u64cd\u7eb5\u3002<\/P>
\n

Mencoder\u8f6c\u6362\u89c6\u9891\u683c\u5f0f\uff1a<\/FONT><\/P>
\n

     \u4ee5\u5c06\u5404\u79cd\u683c\u5f0f\u8f6c\u6362\u4e3aflv\u683c\u5f0f\u4e3a\u4f8b\uff08flv\u683c\u5f0f\u662fflash\u652f\u6301\u7684\u89c6\u9891\u683c\u5f0f\uff09\uff1a<\/P>
\n

mencoder \u201d\u201dE:\\test.m2p\u201d\u201d -o \u201d\u201dE:\\output.flv\u201d\u201d -of lavf  -lavfopts i_certify_that_my_video_stream_does_not_use_b_frames -oac mp3lame -lameopts abr:br=56 -ovc lavc -lavcopts vcodec=flv:vbitrate=500:mbd=2:mv0:trell:v4mv:cbp:last_pred=3:dia=4:cmp=6:vb_strategy=1 -vf scale=512:-3 -ofps 12 -srate 22050<\/P>
\n

     \u5728\u547d\u4ee4\u884c\u4e2d\u8f93\u5165\u8fd9\u884c\u4ee3\u7801\uff08\u6ce8\u610f\uff1awindows\u7684\u547d\u4ee4\u884c\u662f\u4e0d\u652f\u6301\u6362\u884c\u7684\uff09\uff0c\u6309\u56de\u8f66\u8fd0\u884c\uff0c\u4e00\u6bb5\u65f6\u95f4\u4e4b\u540e\u5c31\u53ef\u4ee5\u5f97\u5230\u4e00\u4e2a.flv\u6587\u4ef6\uff0c\u64ad\u653e\u4e00\u4e0b\u770b\u770b\u54c1\u8d28\u5982\u4f55\uff08\u53ef\u4ee5\u76f4\u63a5\u7528Mplayer\u64ad\u653e\uff09\u3002<\/P>
\n

     \u4e0b\u56fe\u662f\u6211\u8fd9\u8fb9\u8f6c\u6362\u7684\u6548\u679c\u5bf9\u6bd4\uff0c\u5de6\u8fb9\u662f\u539f\u89c6\u9891\uff0c\u53f3\u8fb9\u662f\u8f6c\u6362\u540e\u7684\u89c6\u9891\uff1a<\/P>
\n

\"\"<\/P>
\n


     \u6240\u6709\u4eba\u90fd\u4f1a\u89c9\u5f97\uff0c\u8f6c\u6362\u540e\u54c1\u8d28\u4e0b\u964d\u4e86\u5f88\u591a\uff0c\u786e\u5b9e\u662f\u8fd9\u6837\uff0c\u540c\u65f6\u53ef\u4ee5\u53d1\u73b0\u8f6c\u6362\u540e\u7684\u6587\u4ef6\u7531\u539f\u6765\u768413M\u53d8\u6210\u4e861M\uff0c\u5982\u679c\u8981\u63d0\u9ad8\u54c1\u8d28\uff0c\u53ef\u4ee5\u5c06vbitrate=500\u6539\u4e3avbitrate=5000\u3002<\/P>
\n

     \u8f6c\u6362\u540e\u7684\u6548\u679c\u5bf9\u6bd4\uff0c\u5de6\u8fb9\u662f\u539f\u89c6\u9891\uff0c\u53f3\u8fb9\u662f\u8f6c\u6362\u540e\u7684\u89c6\u9891\uff1a<\/P>
\n

\"\"<\/P>
\n

     \u54c1\u8d28\u51e0\u4e4e\u4e00\u6837\u4e86\uff0c\u4f46\u540c\u65f6\uff0c\u8f6c\u6362\u6587\u4ef6\u53d8\u6210\u4e866M\u3002<\/P>
\n

     \u5173\u4e8e\u547d\u4ee4\u4e2d\u7684\u4e00\u4e9b\u53c2\u6570\uff0c\u89e3\u91ca\u4e00\u4e0b\uff1a<\/P>
\n

-o \u201d\u201dE:\\output.flv\u201d\u201d\uff1a\u662f\u8f93\u51fa\u6587\u4ef6\u8def\u5f84\uff1b<\/P>
\n

-of lavf\uff1a\u662f\u8f93\u51fa\u6587\u4ef6\u683c\u5f0f\uff0c\u8fd9\u91cc\u4e0d\u662fflv\u800c\u662flavf\uff0c\u662f\u56e0\u4e3aflv\u5c5e\u4e8elibavformat\uff1b<\/P>
\n

-lavfopts i_certify_that_my_video_stream_does_not_use_b_frames\uff1a-lavfopts\u8868\u793a\u5bf9lavf\u8fdb\u884c\u4e00 \u4e9b\u8bbe\u7f6e\uff0c\u8bbe\u7f6e\u7684\u5185\u5bb9\u5c31\u662fi_certify_that_my_video_stream_does_not_use_b_frames\uff0c\u7ffb\u8bd1\u6210\u4e2d\u6587\u5c31\u662f\uff1a \u6211\u786e\u5b9a\uff0c\u6211\u7684\u89c6\u9891\u4e0d\u7528B frames\uff0c\u5bf9\u4e8e\u8f6c\u6362flv\u683c\u5f0f\uff0c\u6700\u597d\u52a0\u4e0a\u8fd9\u4e2a\u53c2\u6570\uff0c\u5426\u5219\u53ef\u80fd\u4f1a\u62a5\u9519\uff0c\u5982\u56fe\uff1a<\/P>
\n

\"\"<\/P>
\n

-oac mp3lame\uff1aoac=output audio codec\uff0c\u8f93\u51fa\u97f3\u9891\u7f16\u7801\u5668\uff0c\u8fd9\u91cc\u7528\u7684mp3lame\uff1b<\/P>
\n

-lameopts abr:br=56\uff1alame options\uff0c\u662f\u4e13\u95e8\u9488\u5bf9mp3lame\u7684\u53c2\u6570\u8bbe\u7f6e\uff0cabr:br=56\uff0c\u662f\u8bbe\u7f6e\u97f3\u9891\u6bd4\u7279\u7387\u4e3a56\uff08\u6bd4\u7279\u7387\uff1a\u6bcf\u79d2\u949f\u8f93\u51fa\u7684\u97f3\u9891\u5927\u5c0f\uff0c\u5355\u4f4dkb\/s\uff09\uff1b<\/P>
\n

-ovc lavc\uff1aovc=output video codec\uff0c\u8f93\u51fa\u89c6\u9891\u7f16\u7801\u5668\uff0clavc\u8868\u793aone of libavcodec\u2019s video codec\uff0c\u8f93\u51fa\u683c\u5f0f\u4e3alibavformat\u4e4b\u4e00\uff0c\u7f16\u7801\u5668\u5f53\u7136\u4e5f\u662flibavcodec\u4e4b\u4e00\u5566\uff0c\u81f3\u4e8elibavodec\u91cc\u90fd\u6709\u54ea\u4e9b\u7f16\u7801\u5668\uff0c\u53ef\u4ee5\u67e5\u770b Mplayer\u7684\u5b98\u65b9\u6587\u6863\uff1b<\/P>
\n

-lavcopts vcodec=flv:vbitrate=500:mbd=2:mv0:v4mv:trell:cbp:last_pred=3:dia=4:cmp=6:vb_strategy=1\uff1a\u5bf9lavc\u8fdb\u884c\u4e00\u4e9b\u8bbe\u7f6e\uff0c\u8be6\u7ec6\u4ecb\u7ecd\u5982\u4e0b\uff1a
vcodec=flv\uff1a\u6307\u5b9a\u89c6\u9891\u7f16\u7801\u5668\u4e3aflv\uff1b
vbitrate=500\uff1a\u6307\u5b9a\u89c6\u9891\u6bd4\u7279\u7387\u4e3a500\uff0c\u8fd9\u4e2a\u53c2\u6570\u5f88\u91cd\u8981\uff0cvbitrate\u5927\u4e86\u53ef\u4ee5\u8ba9\u89c6\u9891\u54c1\u8d28\u589e\u52a0\uff0c\u4f46\u4f1a\u8ba9\u6587\u4ef6\u53d8\u7684\u5f88\u5927\uff08\u53ef\u4ee5\u53c2\u8003flash8\u81ea\u5e26\u7684\u8f6c\u6362\u5de5\u5177\u7684\u53c2\u6570\uff1a\u4f4e\u54c1\u8d28\u4e3a150kb\/s\uff0c\u4e2d\u7b49\u54c1\u8d28\u4e3a400kb\/s\uff0c\u9ad8\u54c1\u8d28\u4e3a700kb\/s\uff09\u3002
mbd\uff1a\u5b8f\u6a21\u5757\u9009\u62e9\u7b97\u6cd5\uff0c\u503c\u4e3a0\uff5e2\u9ed8\u8ba4\u4e3a0\uff0c\u503c\u8d8a\u5927\u8f6c\u6362\u8d8a\u7f13\u6162\uff0c\u4f46\u5728\u54c1\u8d28\u548c\u6587\u4ef6\u5927\u5c0f\u65b9\u9762\u6709\u597d\u5904\uff1b
mv0\uff1a\u7f16\u8bd1\u6bcf\u4e2a\u5b8f\u6a21\u5757\u5e76\u9009\u62e9\u6700\u597d\u7684\u4e00\u4e2a\uff0c\u5f53mbd=0\u65f6\u65e0\u6548\uff1b
v4mv\uff1a\u4f1a\u7a0d\u5fae\u589e\u52a0\u54c1\u8d28\uff0cmbd>0\u65f6\u6548\u679c\u66f4\u660e\u663e\uff1b
trell\uff1a\u91cf\u5b50\u5316\u7f51\u683c\u641c\u7d22\uff0c\u5bf9\u6bcf8\u00d78block\u627e\u5230\u6700\u4f18\u5316\u7f16\u7801\uff1b
cbp\uff1a\u53ea\u80fd\u548ctrell\u4e00\u671f\u4f7f\u7528\uff0c\u8bc4\u4f30\u5931\u771f\u7684\u56fe\u50cf\u5757\u7f16\u7801\uff1b
last_pred=3\uff1a\u4e0e\u4e0a\u4e00\u5e27\u76f8\u6bd4\u7684\u79fb\u52a8\u6570\u91cf\u9884\u6d4b\uff0c\u503c\u4e3a0\uff5e99\uff0c1\uff5e3\u6bd4\u8f83\u5408\u9002\uff0c\u5927\u4e8e3\u65f6\u5bf9\u54c1\u8d28\u7684\u63d0\u9ad8\u5df2\u7ecf\u65e0\u5173\u7d27\u8981\uff0c\u4f46\u5374\u4f1a\u964d\u4f4e\u901f\u5ea6\uff1b
dia=4\uff1a\u79fb\u52a8\u641c\u7d22\u8303\u56f4\uff0c\u503c\u4e3a-99\uff5e6\uff0c\u5bf9\u4e8e\u5feb\u901f\u8f6c\u6362\uff0c-1\u662f\u4e2a\u4e0d\u9519\u7684\u503c\uff0c\u5982\u679c\u4e0d\u662f\u5f88\u91cd\u89c6\u901f\u5ea6\uff0c\u53ef\u4ee5\u8003\u86512\uff5e4\uff1b
cmp=6\uff1a\u503c\u4e3a1\uff5e2000\uff0c\u9ed8\u8ba4\u4e3a0\uff0c\u8bbe\u7f6e\u7528\u4e8e\u5168\u8c61\u7d20\u79fb\u52a8\u9884\u7b97\u7684\u6bd4\u8f83\u51fd\u6570
vb_strategy=1\uff1a\u5bf9\u52a8\u4f5c\u5f88\u5927\u7684\u573a\u666f\u4f1a\u6709\u5e2e\u52a9\uff0c\u5bf9\u6709\u4e9b\u89c6\u9891\uff0c\u8bbe\u7f6evmax_b_frames\u4f1a\u6709\u635f\u54c1\u8d28\uff0c\u52a0\u4e0avb_strategy=1\u4f1a\u597d\u70b9\u3002<\/P>
\n

     \u4ee5\u4e0a\u662f\u5bf9-lavcopts\u7684\u8be6\u7ec6\u89e3\u91ca\uff0c\u63a5\u4e0b\u6765\u7ee7\u7eed\u8bf4\u660emencoder\u7684\u53c2\u6570\uff1a<\/P>
\n

-vf scale=512:-3\uff1a-vf\u8868\u793a\u89c6\u9891\u683c\u5f0f\uff0cscale\u662f\u7f29\u653e\uff0c512:-3\u8868\u793a\u5f3a\u5236\u5c06\u5bbd\u5ea6\u8bbe\u7f6e\u4e3a512\uff0c\u9ad8\u5ea6\u5199\u4e3a-3\u8868\u793a\u4fdd\u6301\u9ad8\u5bbd\u6bd4\uff0c\u4e5f\u53ef\u4ee5\u8bbe\u7f6e\u4e3a -1\u6216-2\uff0c\u5177\u4f53\u8868\u793a\u4ec0\u4e48\uff0c\u6709\u5174\u8da3\u7684\u53ef\u4ee5\u5c1d\u8bd5\u4e00\u4e0b\u3002\u5982\u679c\u8981\u5f3a\u5236\u8f6c\u5316\u4e3a\u7edf\u4e00\u5927\u5c0f\uff0c\u53ef\u4ee5\u76f4\u63a5\u5199-vf scale=640:480\uff0c\u4f46\u7b14\u8005\u4e2a\u4eba\u5efa\u8bae\u7528-3\u6765\u4fdd\u6301\u9ad8\u5bbd\u6bd4\u3002-vf\u91cc\u8fd8\u6709expand\u548ccrop\u53c2\u6570\uff0c\u4f8b\u5982\uff1a-vf scale=512:384,expand=512:384:::1,crop=512:384:0:0\uff0cexpand\u8868\u793a\u81a8\u80c0\uff0ccrop\u8868\u793a\u88c1\u526a\uff1b<\/P>
\n

-ofps 12\uff1a\u8f93\u51fa\u89c6\u9891\u7684\u5e27\u9891\uff0c\u4e00\u822c\uff0c\u7528\u4e8eflash\u64ad\u653e\u7684\u89c6\u9891\u5e27\u9891\u9ad8\u4e86\u6ca1\u6709\u6ca1\u6709\u610f\u4e49\uff0c\u53cd\u800c\u4f1a\u589e\u52a0\u89c6\u9891\u6587\u4ef6\u5927\u5c0f\uff0c\u4f46\u5982\u679cofps\u8bbe\u7f6e\u7684\u4e0d\u5408\u9002\uff0c\u6bd4\u5982\u6e90\u89c6\u9891\u5e27\u9891\u4e0d\u662f ofps\u7684\u6574\u6570\u500d\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4\u8f6c\u6362\u540e\u7684\u89c6\u9891\u3001\u97f3\u9891\u4e0d\u540c\u6b65\uff0c\u4f3c\u4e4e\u53ef\u4ee5\u5c06\u8fd9\u4e00\u53c2\u6570\u6539\u4e3a-noskip\u6765\u89e3\u51b3\u8fd9\u4e00\u95ee\u9898\uff1b<\/P>
\n

-srate 22050\uff1a\u97f3\u9891\u91c7\u6837\u7387\u4e00\u822c\u4e3a22050\u621644100\u3002<\/P>
\n

     \u5bf9\u4e8e\u8f6c\u6362flv\u683c\u5f0f\uff0clavsopts\u7684\u8bbe\u7f6e\u6bd4\u8f83\u91cd\u8981\uff0c\u8fd8\u6709\u5f88\u591a\u53c2\u6570\u672c\u6587\u6ca1\u6709\u6d89\u53ca\u5230\uff0c\u5728\u7b14\u8005\u53c2\u8003\u7684\u6587\u732e\u4e2d\u4f1a\u6709\u5177\u4f53\u7684\u8bf4\u660e\uff0c\u611f\u5174\u8da3\u7684\u53ef\u4ee5\u53bb\u770b\u4e00\u4e0b\u3002\u6211\u5bf9\u4e8e Mencoder\u7684\u8ba4\u8bc6\u4e3b\u8981\u4e5f\u662f\u6765\u6e90\u4e8e\u4e0b\u97622\u7bc7\u6587\u7ae0\uff0c\u5b9e\u8df5\u7684\u6bd4\u8f83\u5c11\uff0c\u5982\u679c\u6709\u7406\u89e3\u548c\u7ffb\u8bd1\u7684\u5931\u8bef\uff0c\u518d\u6b21\u6b22\u8fce\u4e0e\u6211\u4ea4\u6d41\u3002<\/P>
\n


\u53c2\u8003\u6587\u732e\uff1a<\/FONT><\/P>
\n

\u300aMplayer\u5b98\u65b9\u6587\u6863\uff0c\u82f1\u6587\u7248\u300bhttp:\/\/www.mplayerhq.hu\/DOCS\/HTML-single\/en\/MPlayer.html<\/A>
\u300aLinux Reviews\u300bhttp:\/\/linuxreviews.org\/man\/mencoder\/<\/A>
<\/P>
\n

\u5173\u4e8e\u7528mencoder\u5c06\u5404\u79cd\u683c\u5f0f\u8f6c\u6362\u4e3aflv\u683c\u5f0f\uff0c\u7f51\u7edc\u4e0a\u5e94\u8be5\u4e5f\u6709\u4e00\u4e9b\u6587\u7ae0\uff0c\u6211\u628a\u6700\u8fd1\u5b66\u4e60\u7684\u5fc3\u5f97\u548c\u5927\u5bb6\u5206\u4eab\u4e00\u4e0b.
\u5982\u679c\u60a8\u6b63\u51c6\u5907\u5f00\u59cb\u4f7f\u7528mencoder\uff0c\u4f3c\u4e4e\u4e5f\u53ef\u4ee5\u5f53\u4f5c\u6559\u7a0b\u6765\u770b\uff0c\u5982\u679c\u60a8\u6709\u66f4\u597d\u7684\u65b9\u6cd5\u6216\u6280\u672f\uff0c\u8bf7\u4e0d\u541d\u8d50\u6559\uff01
mencoder\uff0c\u53ef\u4ee5\u4ece\u5176\u5b98\u65b9\u7f51\u7ad9\u4e0a\u83b7\u5f97\uff1a
http:\/\/www.mplayerhq.hu<\/FONT><\/A>
\u4e0b\u8f7d\u5b8c\u4e4b\u540e\uff0c\u4fee\u6539\u4e00\u4e0b\u73af\u5883\u53d8\u91cf\uff0c\u5c06mencoder.exe\u53camplayer.exe\u6587\u4ef6\u6240\u5728\u7684\u76ee\u5f55\u6dfb\u52a0\u5230path\u53d8\u91cf\u91cc\u3002
mencoder\u662f\u5728\u547d\u4ee4\u884c\u4e2d\u6267\u884c\u7684\uff08\u5b98\u7f51\u4e0a\u7684\u6587\u6863\u91cc\u7684\u5b9e\u4f8b\u4f3c\u4e4e\u90fd\u662flinux\u4e0b\u7684\uff09
\u6211\u662f\u8ba1\u7b97\u673a\u5c0f\u767d\uff0c\u5f53\u7136\u53ea\u4f1a\u4f7f\u7528windows\u2026\u2026
\u5f00\u59cb\u83dc\u5355 -> \u8fd0\u884c -> cmd -> \u56de\u8f66\uff0c\u5c31\u6253\u5f00\u4e86\u547d\u4ee4\u884c\u7a97\u53e3
\u8fd9\u65f6\uff0c\u6211\u4eec\u53ef\u4ee5\u62ff\u4e00\u4e2a\u89c6\u9891\u6765\u8bd5\u8bd5\u770b\uff0c\u6211\u7528\u7684\u662f\u4e00\u4e2amtv\uff0cwmv\u683c\u5f0f\u7684\uff0c\u6587\u4ef6\u540d\uff1aAPerfectMatch.wmv\u3002
\u5728\u547d\u4ee4\u884c\u4e2d\u8f93\u5165\uff1a\uff08\u6ce8\u610f\uff0c\u4e0d\u8981\u4ece\u7f51\u9875\u4e0a\u76f4\u63a5copy\u8fd9\u6bb5\u547d\u4ee4\u5230cmd\uff0cwindows\u7684\u547d\u4ee4\u884c\u4f3c\u4e4e\u662f\u4e0d\u652f\u6301\u6362\u884c\u7684……\uff09
mencoder “D:\\music\\sk8ter_boi_300.wmv” -o “D:\\output.flv” -of lavf -oac mp3lame -lameopts abr:br=56 -ovc lavc -lavcopts vcodec=flv:vbitrate=150:mbd=2:mv0:trell:v4mv:cbp:last_pred=3 -srate 22050
\u6309\u4e0b\u56de\u8f66\u540e\uff0c\u5982\u679c\u4f60\u770b\u5230\u663e\u793a\uff1a\u201cmencoder \u4e0d\u662f\u5185\u90e8\u6216\u5916\u90e8\u547d\u4ee4\uff0c\u4e5f\u4e0d\u662f\u53ef\u8fd0\u884c\u7684\u7a0b\u5e8f\uff0c\u6216\u6279\u5904\u7406\u6587\u4ef6\u201d\uff0c\u90a3\u4e48\u8bf4\u660e\u73af\u5883\u53d8\u91cf\u6ca1\u6709\u8bbe\u7f6e\u597d
\u5982\u679c\u6b63\u5e38\uff0c\u4f1a\u770b\u5230\u5f00\u59cb\u8f6c\u89c6\u9891\uff0c\u4f1a\u770b\u5230\u4e00\u6392\u4e00\u6392\u7684\u5b57\u5f80\u4e0a\u7ffb\uff0c\u5185\u5bb9\u5927\u6982\u662f\u8fd9\u6837\uff1a
Pos: 226.8s 297f (100%) 48fps Trem: 0min 5mb a-v:-0.009 [142:56]
\u8fd9\u91cc\u8fb9\u7684\u5185\u5bb9\uff0c\u6211\u6700\u5173\u6ce8\u7684\u662f2\u4e2a\u62ec\u53f7\u91cc\u9762\u7684\uff0c\u5c0f\u62ec\u53f7\u91cc\u5e94\u8be5\u662f\u8f6c\u6362\u7684\u8fdb\u5ea6\uff0c\u4e2d\u62ec\u53f7\u91cc\u7684\u5185\u5bb9\u5f88\u91cd\u8981\uff0c142\u8868\u793a\u89c6\u9891\u6bd4\u7279\u7387\uff0c56\u8868\u793a\u97f3\u9891\u6bd4\u7279\u7387\uff08\u6bd4\u7279\u7387\u8fd9\u4e2a\u8bcd\u4e0d\u77e5\u9053\u7528\u7684\u5bf9\u4e0d\u5bf9……\uff09
\u8f6c\u6362\u7ed3\u675f\uff0c\u4f1a\u663e\u793a2\u884c\u6587\u5b57\uff1a
Video stream: 142.564 kbit\/s (17820 B\/s) size: 4046677 bytes 227.080 secs 2700 frames
Audio stream: 56.938 kbit\/s (7117 B\/s) size: 1616197 bytes 227.082 secs
\u8fd92 \u884c\u4fe1\u606f\u6211\u60f3\u5927\u5bb6\u90fd\u80fd\u660e\u767d\uff0c\u5176\u4e2d\u6211\u4e00\u76f4\u5173\u6ce8\u7684\u662f\u90a3\u4e2a142.564kbit\/s\uff0c\u7528\u8fc7flash8\u81ea\u5e26\u8f6c\u6362\u5de5\u5177\u7684\u5e94\u8be5\u77e5\u9053\u9ad8\u7ea7\u8bbe\u7f6e\u91cc\u6709\u4e2a\u9009\u9879\u662f\u6700\u5927\u6570\u636e\u901f \u7387\uff0c\u5f53\u9009\u4e2d\u4e2d\u7b49\u753b\u8d28\u7684\u65f6\u5019\uff0c\u662f400kb\/s\uff0c\u800c\u4f4e\u54c1\u8d28\u4e5f\u662f150kb\/s\uff0c\u4e5f\u5c31\u662f\u8bf4\uff0c\u7528\u90a3\u53e5\u547d\u4ee4\u8f6c\u6362\u7684\u89c6\u9891\uff0c\u5176\u753b\u8d28\u90fd\u4e0d\u5982\u54c1\u8d28\u7684\uff0c\u90a3\u4e48\uff0c\u54c1\u8d28\u600e\u4e48\u6837\u5462\uff1f \u770b\u4e00\u4e0b\uff0c\u600e\u4e48\u770bflv\u6587\u4ef6\uff1f\u522b\u5fd8\u4e86\u6211\u4eec\u6709\u4e07\u80fd\u64ad\u653e\u5668mplayer\uff0c\u54c8\u54c8\uff0c\u76f4\u63a5\u5728\u547d\u4ee4\u884c\u91cc\u8f93\u5165\uff1a
mplayer “d:\\output.flv”\uff0c\u770b\u5230\u54b1\u4eec\u521a\u521a\u8f6c\u597d\u7684\u89c6\u9891\uff0c\u6211\u5f53\u65f6\u4e00\u770b\uff0c\u753b\u9762\u4e0a\u9a6c\u8d5b\u514b\u5012\u662f\u6ca1\u6709\uff0c\u5168\u662f\u74f7\u7816\uff0c\u6211\u6655\u5012…
\u8fdb\u5165\u6b63\u9898\u4e86\uff0c\u600e\u4e48\u6765\u63d0\u9ad8\u753b\u9762\u54c1\u8d28\uff1f\uff08\u6655\u5012\uff0c\u539f\u6765\u524d\u9762\u90fd\u4e0d\u662f\u6b63\u9898…\uff1d_\uff1do\uff09
\u56de\u5934\u770b\u4e00\u4e0b\u6211\u4eec\u7684\u547d\u4ee4\u884c\uff1a
mencoder “D:\\music\\sk8ter_boi_300.wmv” -o “D:\\output.flv” -of lavf -oac mp3lame -lameopts abr:br=56 -ovc lavc -lavcopts vcodec=flv:vbitrate=150:mbd=2:mv0:trell:v4mv:cbp:last_pred=3 -srate 22050\u3002
\u4e0b\u9762\u4e00\u4e2a\u4e00\u4e2a\u5206\u6790\uff1a
mencoder \u8bf4\u660e\u4f60\u7528\u7684\u662fmencoder\uff1b
“d:\\…..wmv” \uff0d> \u662f\u6307\u4f60\u7684\u8f93\u5165\u89c6\u9891\uff1b
-o \uff0d> \u540e\u9762\u6307\u5b9a\u8f93\u51fa\u8def\u5f84\uff1b\uff08\u524d\u9762\u6709\u201c-\u201d\u7684\u90fd\u662foption(\u9009\u9879\u7684\u610f\u601d)\uff09
-of \uff0d> \u5927\u6982\u662foutput format\u7684\u7f29\u5199\uff0c\u8f93\u51fa\u6587\u4ef6\u683c\u5f0f\uff0c\u54a6\uff01\u4e3a\u4ec0\u4e48\u4e0d\u662fflv\uff0c\u800c\u662flavf\uff1flavf\u8868\u793a\u4f60\u4f7f\u7528\u4e86libavcodec\u91cc\u7684\u683c\u5f0f\uff0cflv\u6b63\u597d\u662flibavcodec\u91cc\u7684\uff0c\u5475\u5475\uff1b
-oac \uff0d> \u5927\u6982\u662foutput audio codec\u7684\u7f29\u5199\uff0c\u6307\u5b9a\u8f93\u51fa\u97f3\u9891\u7f16\u7801\uff0c\u8fd9\u513f\u9009\u7528\u7684\u662fmp3lame\uff1b
-lameopts \uff0d> \u6307\u5b9alame\u7684options\uff0c\u5c31\u662f\u8bbe\u7f6e\u97f3\u9891\u8f93\u51fa\u7684\u4e00\u4e9b\u53c2\u6570\u5566\uff0c\u6211\u53ea\u5173\u5fc3\u89c6\u9891\uff0c\u8df3\u8fc7
-ovc \uff0d> \u5927\u6982\u662foutput video codec\u7684\u7f29\u5199\uff0c\u5236\u5b9a\u8f93\u51fa\u89c6\u9891\u7f16\u7801\uff08\u6211\u6700\u5173\u5fc3\u7684\u597d\u50cf\u8981\u4e0a\u573a\u4e86\uff09\uff0c\u9009\u7528\u7684lavc\uff0c\u4ec0\u4e48\u610f\u601d\uff1f\u8bf4\u662f\u7528\u4e86libavcodec\u7684\u7f16\u7801\u5668\uff1b
-lavcopts \uff0d> \u662flavc\u7684options\uff0c\u8981\u8bbe\u7f6e\u89c6\u9891\u7f16\u7801\u7684\u53c2\u6570\u4e86\uff01\uff08\u5fc3\u8df3\u52a0\u901f\uff0c\u8840\u538b\u5347\u9ad8\uff0c\u53e3\u4e2d\u5f00\u59cb\u5927\u91cf\u5206\u6ccc\u553e\u6db2\uff09\uff0c\u770b\u770b\u5b83\u540e\u9762\u90fd\u6709\u4ec0\u4e48\uff1a
codec=flv \u8bf4\u7684\u662f\u7528\u7684flv\u7f16\u7801\u5668\uff0c\u8fd9\u4e2a\u54b1\u4e0d\u7406\uff1b
vbitrate=150 video bit rate\uff01\u89c6\u9891\u6570\u636e\u901f\u7387\uff01\u5c31\u662f\u5b83\u4e86\uff01\u539f\u6765\u6211\u8bbe\u7684\u662f150\u554a\uff01
\u627e\u5230\u4e86\uff0c\u4e0b\u9762\u4e0d\u770b\u4e86\uff01\u6539\u6210vbitrate=1000\uff0c\u518d\u8bd5\u8bd5\u770b\uff01
\u7ed3\u679c\uff0c\u548c\u524d\u4e00\u6b21\u4e00\u6a21\u4e00\u6837……\uff08\u6211\u8fd8\u6539\u621010000\u7684\uff0c\u771f\u7684\uff0c\u8fd8\u662f\u4e00\u6837\uff0c\u6211\u5f53\u65f6\u4ee5\u4e3a\u5b83\u7684\u5355\u4f4d\u662fb\/s\u800c\u4e0d\u662fkb\/s\uff09
\u51b7\u9759\u4e0b\u6765\uff0c\u53bb\u5f80\u4e0a\u770b\u4e86\u4e00\u4e0b\u5b98\u65b9\u6587\u6863\uff0c\u8fd9\u4e2a\u53c2\u6570\u662f\u6700\u5927\u6570\u636e\u901f\u7387\uff0c\u6700\u5927\u561b\uff0c\u4f60\u8bbe\u591a\u5927\u90fd\u4e00\u6837\u554a\uff0c\u770b\u6765\u4e0d\u662f\u9760\u5b83\u6765\u63a7\u5236\u54c1\u8d28\u3002
\u4e0d\u5356\u5173\u5b50\u4e86\uff0c\u76f4\u63a5\u7ed9\u51fa\u6211\u7684\u7ed3\u8bba\u5427\uff0c\u8bbe\u7f6e\u54c1\u8d28\u67092\u79cd\u9014\u5f84\uff1a
1\u3001\u8bbe\u7f6e-lavcopts\uff0c\u770b\u8fd9\u6837\u4e00\u53e5\u547d\u4ee4\uff1a
mencoder “D:\\music\\APerfectMatch.wmv” -o “D:\\output.flv” -of lavf -oac mp3lame -lameopts abr:br=56 -ovc lavc -lavcopts vcodec=flv:vbitrate=500:mbd=2:mv0:trell:v4mv:cbp:last_pred=3:dia=4:cmp=6:vb_strategy=1 -vf scale=320:240,expand=320:240:::1,crop=320:240:0:0 -ofps 30 -srate 22050
\u770b\u770b\u591a\u4e86\u4ec0\u4e48\uff1f
\u5728-lavcopts\u91cc\u591a\u4e86dia=4:cmp=6:vb_strategy=1\u8fd93\u6761
\u4ed6\u4eec\u7684\u542b\u4e49\u6211\u53ea\u662f\u5927\u6982\u4e86\u89e3\u4e00\u70b9\u70b9\uff0c\u6bd5\u7adf\u4e0d\u662f\u4e13\u4e1a\u641e\u89c6\u9891\u7f16\u7801\u7684
dia\u8d8a\u5927\u54c1\u8d28\u8d8a\u9ad8\uff0c\u5982\u679c\u9700\u8981\u5feb\u901f\u7f16\u7801\uff0c\u8bbe\u7f6e\u4e3a-1\uff0c\u8bbe\u4e3a4\u65f6\u5df2\u7ecf\u5f88\u6709\u5229\u4e8e\u54c1\u8d28\u4e86\uff1b
cmp\u8d8a\u5927\u54c1\u8d28\u8d8a\u9ad8\uff0c\u9ed8\u8ba4\u503c0\uff0c\u662f\u6700\u5feb\u901f\u7684\uff0c\u4e00\u822c\u8bbe\u52303\uff0c\u8bbe\u4e3a6\u5df2\u7ecf\u53ea\u4f1a\u7ec6\u5fae\u63d0\u9ad8\u54c1\u8d28\u4e86\uff0c\u4f46\u901f\u5ea6\u4f1a\u6162
vb_strategy\uff0c\u5927\u6982\u662f1\u6216\u80050\uff0c\u9ed8\u8ba4\u503c\u53ef\u80fd\u4e3a0\uff0c\u6211\u8fd9\u91cc\u8bbe\u4e3a1\uff0c\u4f1a\u5bf9\u7f16\u7801\u6709\u5e2e\u52a9\uff0c\u8fd9\u4e2a\u53c2\u6570\u6211\u81ea\u5df1\u6ca1\u6709\u8fc7\u591a\u63a8\u6572\uff0c\u53ef\u80fd\u5e76\u4e0d\u5f71\u54cd\u54c1\u8d28……
2\u3001\u52a0-sws\u9009\u9879\uff0c\u770b\u4e0b\u9762\u7684\u547d\u4ee4\uff1a
mencoder “D:\\music\\APerfectMatch.wmv” -o “D:\\output.flv” -of lavf -oac mp3lame -lameopts abr:br=56 -ovc lavc -lavcopts vcodec=flv:vbitrate=500:mbd=2:mv0:trell:v4mv:cbp:last_pred=3 -sws 3 -vf scale=320:240,expand=320:240:::1,crop=320:240:0:0 -ofps 30 -srate 22050
\u53ea\u662f\u52a0\u4e00\u4e2a -sws 3\u8fdb\u53bb\uff0c\u8f6c\u6362\u540e\u7684\u6548\u679c\u548c\u524d\u9762\u4e00\u79cd\u65b9\u6cd5\u5927\u81f4\u76f8\u540c\uff0c\u89c6\u9891\u6570\u636e\u901f\u7387\u90fd\u662f422.5kb\/s\u5de6\u53f3\uff0c\u89e3\u91ca\u4e00\u4e0b
-sws\u5c31\u662f\u7528\u6765\u8bbe\u7f6e\u54c1\u8d28\u7684\uff0c\u9ed8\u8ba4\u503c\u4e3a2\uff0c\u90a3\u4e48\uff0c\u4e3a\u4ec0\u4e48\u4e0d\u7528\u8fd9\u79cd\u7b80\u5355\u7684\u65b9\u5f0f\u5462\uff1f\u6211\u4e2a\u4eba\u8ba4\u4e3a\uff0c\u7528\u524d\u9762\u4e00\u79cd\u65b9\u6cd5\u6709\u5229\u4e8e\u627e\u5230\u4e00\u4e2a\u901f\u5ea6\u548c\u54c1\u8d28\u7684\u5e73\u8861\u70b9\uff0c\u6bd5\u7adf\u53d8\u5316\u7684\u8303\u56f4\u6bd4\u8f83\u5927\u3002
\u5176\u4ed6\u4e00\u4e9b\u9009\u9879\uff0c\u6211\u4e5f\u6ca1\u6709\u6df1\u5165\u7814\u7a76\u3002
<\/P>
\n

\u9700\u8981\u7528\u5230\u7684\u7ec4\u4ef6
ASPExec
mencoder
ffmpeg.exe

\u7b2c\u4e00\u6b65\u9aa4\uff1a \u5728\u7ebf\u8f6c\u6362

Set Executor = Server.CreateObject(“ASPExec.Execute”)
Executor.Application = “cmd \/c mencoder E:\\qiancheng\\upload\\”&request.QueryString(“keys”)&” -o E:\\qiancheng\\shipin\\record\\streams\\_definst_\\record\\”&lid&”\\”&keys&”.flv -of lavf -oac mp3lame -lameopts abr:br=56 -ovc lavc -lavfopts i_certify_that_my_video_stream_does_not_use_b_frames -lavcopts vcodec=flv:vbitrate=200:mbd=2:mv0:v4mv:last_pred=3:dia=3:cmp=3:vb_strategy=1 -vf scale=330:-3 -ofps 12 -srate 22050″
Executor.Parameters = “”
strResult = Executor.ExecuteDosApp

asp\u6267\u884c .bat\u6587\u4ef6

\u7b2c\u4e8c\u6b65\u9aa4\uff1a \u901a\u8fc7ffmpeg\u751f\u6210\u6240\u7565\u56fe\uff0bfso \u5220\u9664\u6e90\u4ef6

Server.ScriptTimeout=0
flvname=keys
streamPath=”..\/shipin\/record\/streams\/_definst_\/record\/”&lid&”\/”&flvname&”.flv”
imgW =”120″
imgY = “90”
imgQuality = “100”
ss=”3″
newName = “..\/upload\/”&flvname&”.jpg”
str=”e:\\qiancheng\\webadmin\\ffmpeg.exe”
str=str+” -i “&server.mappath(streamPath)&” -ss 3 -vframes 1 -r 1 -ac 1 -ab 2 -s 120*90 -f image2 “&server.mappath(newName)&””
Set shellffmpeg=server.CreateObject(“ffmpeg.shellffmpeg”)
aa=shellffmpeg.shellffmpeg1(str)
Set shellffmpeg = Nothing
\u201d\u201d\u5220\u9664\u4e0a\u4f20\u7684\u6587\u4ef6
tupianid=”..\/upload\/”&request.QueryString(“keys”)
set   fso=server.CreateObject(“scripting.filesystemobject”)   
if fso.FileExists(Server.MapPath(tupianid))   then   
fso.deletefile(server.MapPath(tupianid))   
end if   
set fso=nothing

flash\u89c6\u9891\u6574\u7ad9\u7a0b\u5e8f\u5236\u4f5c\u5b8c\u6210\uff0c \u5728\u7ebf\u5f55\u5236\u89c6\u9891+\u97f3\u9891+ \u7f29\u7565\u56fe+\u5728\u7ebf\u8f6cflv +asp + sqlserver
<\/P><\/DIV><\/p>\n","protected":false},"excerpt":{"rendered":"

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\u201cD:\\music\\APerfectMatch.wmv\u201d\uff0c\u611f\u53d7\u4e00\u4e0b\u6765\u81eaLinux\u7684\u64ad\u653e\u5668\u5427\uff0c\u53ef\u4ee5\u901a\u8fc7\u952e\u76d8\u6765\u64cd\u7eb5\u3002 Mencoder\u8f6c\u6362\u89c6\u9891\u683c\u5f0f\uff1a      \u4ee5\u5c06\u5404\u79cd\u683c\u5f0f\u8f6c\u6362\u4e3aflv\u683c\u5f0f\u4e3a\u4f8b\uff08flv\u683c\u5f0f\u662fflash\u652f\u6301\u7684\u89c6\u9891\u683c\u5f0f\uff09\uff1a mencoder \u201d\u201dE:\\test.m2p\u201d\u201d -o \u201d\u201dE:\\output.flv\u201d\u201d -of lavf  -lavfopts i_certify_that_my_video_stream_does_not_use_b_frames -oac mp3lame -lameopts abr:br=56 -ovc lavc -lavcopts vcodec=flv:vbitrate=500:mbd=2:mv0:trell:v4mv:cbp:last_pred=3:dia=4:cmp=6:vb_strategy=1 -vf scale=512:-3 -ofps 12 -srate 22050      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\u6240\u6709\u4eba\u90fd\u4f1a\u89c9\u5f97\uff0c\u8f6c\u6362\u540e\u54c1\u8d28\u4e0b\u964d\u4e86\u5f88\u591a\uff0c\u786e\u5b9e\u662f\u8fd9\u6837\uff0c\u540c\u65f6\u53ef\u4ee5\u53d1\u73b0\u8f6c\u6362\u540e\u7684\u6587\u4ef6\u7531\u539f\u6765\u768413M\u53d8\u6210\u4e861M\uff0c\u5982\u679c\u8981\u63d0\u9ad8\u54c1\u8d28\uff0c\u53ef\u4ee5\u5c06vbitrate=500\u6539\u4e3avbitrate=5000\u3002      \u8f6c\u6362\u540e\u7684\u6548\u679c\u5bf9\u6bd4\uff0c\u5de6\u8fb9\u662f\u539f\u89c6\u9891\uff0c\u53f3\u8fb9\u662f\u8f6c\u6362\u540e\u7684\u89c6\u9891\uff1a      \u54c1\u8d28\u51e0\u4e4e\u4e00\u6837\u4e86\uff0c\u4f46\u540c\u65f6\uff0c\u8f6c\u6362\u6587\u4ef6\u53d8\u6210\u4e866M\u3002      \u5173\u4e8e\u547d\u4ee4\u4e2d\u7684\u4e00\u4e9b\u53c2\u6570\uff0c\u89e3\u91ca\u4e00\u4e0b\uff1a -o \u201d\u201dE:\\output.flv\u201d\u201d\uff1a\u662f\u8f93\u51fa\u6587\u4ef6\u8def\u5f84\uff1b … Continue reading flv\u5728\u7ebf\u5f55\u5236\u3001\u89c6\u9891\u8f6c\u6362\u7f51\u7ad9\u5f00\u53d1\u6587\u6863<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[80,81],"class_list":["post-512","post","type-post","status-publish","format-standard","hentry","category-linux","tag-flv","tag-81"],"_links":{"self":[{"href":"https:\/\/www.strongd.net\/index.php?rest_route=\/wp\/v2\/posts\/512","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.strongd.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.strongd.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.strongd.net\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.strongd.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=512"}],"version-history":[{"count":1,"href":"https:\/\/www.strongd.net\/index.php?rest_route=\/wp\/v2\/posts\/512\/revisions"}],"predecessor-version":[{"id":856,"href":"https:\/\/www.strongd.net\/index.php?rest_route=\/wp\/v2\/posts\/512\/revisions\/856"}],"wp:attachment":[{"href":"https:\/\/www.strongd.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=512"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.strongd.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=512"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.strongd.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=512"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}