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//å¨æ¬å°çPHP代ç è£å®ç°ï¼æWMVæ件转为FLV
$sys_forder="/dpp_group";
$s_path=$_SERVER["DOCUMENT_ROOT"].$sys_forder;
$a=$s_path."\ffmpeg\ffmpeg";
$b=$s_path."\abc.flv"; //æºæ件
$c=$s_path."\gp.jpg"; //æªåçå¾çåæ¾è·¯å¾åå称
$d=$s_path."\aaa.wmv"; //æºæ件
$e=$s_path."\my.flv"; //转æ¢å¾çæ件çè·¯å¾åå称
system("$a -i $b -y -f image2 -ss 8 -t 0. -s x $c");//æªå¾ç¨ç代ç
//system("$a -i $d -ab -ar -b -r -s x $e"); //转æ¢ç¨ç代ç
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