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conversion from avi,mpeg to flv using ffmpeg

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alim ziyan
conversion from avi,mpeg to flv using ffmpeg
on Aug 27, 2011 at 9:09:48 am

Hi,
I am using a php script for converting avi,mpeg files to flv with ffmpeg.my code is
$srcFile = "uploads/flame.avi";
$destFile = "uploads/flame.flv";
$ffmpegPath = "/usr/bin/ffmpeg";
$flvtool2Path = "/usr/bin/flvtool2";

$ffmpegObj = new ffmpeg_movie($srcFile);
$srcWidth = 320;
$srcHeight = 240;
$command = $ffmpegPath . " -i " . $srcFile . " -f flv -s " . $srcWidth . "x" . $srcHeight . " " . $destFile . " | " . $flvtool2Path . " -U stdin " . $destFile;
$convert = exec($command);
if(!$convert)
{
echo "FAILED!!!";
}
else
{
echo "SUCCESS";
}

I can create a flv file using this script.But sometimes it creates a flv file with size 0 k.I don't know why this is happening.With the same avi file,sometimes it creates correct flv file and sometimes flv with size 0k.How can I confirm whether the conversion is success. In both the cases it displays SUCCESS


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