<?
define( "ROOT_DIR",dirname(__FILE__));
class EcodeFlv {
var $fromFile; //上传来的文件
var $toFilePath; //保存文件路径
var $toPicPath; //保存图片路径
var $mpeg; //ffmpeg.exe文件的路径
var $mencode; //mencode.exe文件的路径
var $cmdToFile; //转换文件命令
var $cmdToPic; //转换图片命令
var $toFileName; //转换后的文件名
var $mpegComm; //ffmpeg.exe的转换命令
var $mencodeComm; //mencode.exe的命令
var $mpegType;
var $mencodeType;
var $midi; //mdi.exe的路径
var $cmdMidi; //mdi.exe的命令
//初始化类
function EcodeFlv($fromFile,$toFilePath,$toPicPath,$mpeg,$mencode,$midi) {
$ this->mpegComm = false;
$ this->mencodeComm = false;
$ this->fromFile = $fromFile;
$ this->toFilePath = $toFilePath;
$ this->toPicPath = ROOT_DIR. "/".$toPicPath;
$ this->mpeg = ROOT_DIR.$mpeg;
$ this->mencode = ROOT_DIR.$mencode;
$ this->midi = ROOT_DIR.$midi;
$ this->mpegType=array (
"audio/x-mpeg"=> ".mp3",
"video/mpeg"=> ".mpeg",
"video/3gpp"=> ".3gp",
"video/x-ms-asf"=> ".asf",
"video/x-msvideo"=> ".avi"
);
$ this->mencodeType = array(
"application/vnd.rn-realmedia"=> ".rm",
"audio/x-pn-realaudio"=> ".rmvb",
"audio/x-ms-wmv"=> ".wmv",
);
}
//检查文件类型
function checkType() {
if(function_exists(mime_content_type)){
return false;
} else{
//$contentType = mime_content_type($this->fromFile);
$exe = "D:\server\php\extras\magic";
$handel = new finfo(FILEINFO_MIME, $exe);
$contentType = $handel->file($ this->fromFile);
}
foreach($ this->mpegType as $index=>$key){
if($contentType == $index){
$name = md5(date( "Ymd").tiime());
$ this->toFileName = $name;
$ this->$mpegComm = true;
return true;
}
}
foreach($ this->mencodeType as $index=>$key){
if($contentType == $index){
$name = md5(date( "Ymd").time());
$ this->toFileName = $name;
$ this->mencodeComm = true;
return true;
} else{
return false;
}
}
}
//设置文件，图片大小
function setSize($flvSize,$picSize) {
$flvWidth = $flvSize[0];
$flvHeight = $flvSize[1];
$picWidth = $picSize[0];
$picHeight = $picSize[1];
$picName = $ this->toPicPath.$ this->toFileName. ".jpg";
$flvName = $ this->toFilePath.$ this->toFileName. ".flv";
$toMdi = ROOT_DIR. "/".$flvName;
$size = $picWidth. "x".$picHeight;
if($ this->mpegComm){
$ this->cmdToFile= "$this->mpeg -i $this->fromFile -y -ab 56 -ar 22050 -b 500 -r 15 -s $flvWith*$flvHeight $flvName";
}
elseif($ this->mencodeComm){
$ this->cmdToFile = "$this->mencode $this->fromFile -vf scale=$flvWidth:$flvHeight -ffourcc FLV1 -of lavf -ovc lavc -lavcopts vcodec=flv:vbitrate=70:acodec=mp3:abitrate=56:dia=-1 -ofps 25 -srate 22050 -oac mp3lame -o $flvName";
}
$ this->cmdToPic = "$this->mpeg -i $toMdi -y -f image2 -ss 8 -t 0.003 -s $size $picName";
$ this->cmdMidi = "$this->midi $toMdi /k";
echo $ this->cmdToPic;
}
//开始转换
function toEcode() {
set_time_limit(0);
exec($ this->cmdToFile,$flvStatus)
exec($ this->cmdToPic,$picStatus);
exec($ this->cmdMidi,$mStatus);
}
}
?>
