exec() ve ffmpeg yardımıyla

Bu check out .. bu kod çalışır

    <?php
class media_handler
{
function convert_media($filename, $rootpath, $inputpath, $outputpath, $width, $height, $bitrate, $samplingrate)
{
$outfile = "";
// root directory path, where FFMPEG folder exist in your application.
$rPath = $rootpath."\ffmpeg";
// which shows FFMPEG folder exist on the root.
// Set Media Size that is width and hieght
$size = $width."x".$height;
// remove origination extension from file adn add .flv extension, becuase we must give output file name to ffmpeg command.
$outfile =$filename;
$out=explode(".",$outfile);


// Media Size
//$size = Width & "x" & Height;

// remove origination extenstion from file and add .flv extension , becuase we must give output filename to ffmpeg command.

$outfile = $out[0].".flv";
// Use exec command to access command prompt to execute the following FFMPEG Command and convert video to flv format.

$ffmpegcmd1 = "/usr/local/bin/ffmpeg -i ".$inputpath."/".$filename. " -ar " .$samplingrate." -ab ".$bitrate." -f flv -s ".$size." ".$outputpath."/".$outfile;

//$ffmpegcmd1 = "/usr/local/bin/ffmpeg -i ".$inputpath."/".$filename. " -b 500 -r 25 -s 320×240 -hq -deinterlace -ab 56 -ar 22050 -ac 1 ".$outputpath."/".$outfile." 2>&1";


$ret = shell_exec($ffmpegcmd1);

// return output file name for other operations
return $ffmpegcmd1;
}

}
?> 

include_once ("media_handler.php");

$_objMda = new mandler(); //$_objMda as new mandler();

$rootpath =""; $nputpath = $rootpath."/Default"; $outputpath = $rootpath. "/FLV"; $ThumbPath = $rootpath. "/Thumbs";

if($_POST){ //Save original video in Default folder.

$source = $_FILES['file1']['tmp_name']; $name = $_FILES['file1']['name']; $fileSize = $_FILES['file1']['size']; $filetype = $_FILES['file1']['type']; $dest = '';

Kopya (. $ kaynak, $ inputPath $ isim);

/ / FLV formatına dönüştürmek

$ Outfile = $ _objMda-> convert_media ($ isim, $ RootPath, $ inputPath, $ OutputPath, 320, 240, 32, 22050);

Ben ur sınıf ama hiçbir sonuç efendim kullanılır. Bunu yaparken benim phpini herhangi bir şeyi ayarlayabilirsiniz?