shell_exec('/servers/ffmpeg/bin/ffmpeg  -i '.$file.' -pass 1  -r 25 -s 580x326 -c:v libx264  -vprofile baseline  -b:v 700k  -keyint_min 50  -an -f mp4 -y /dev/null');



    shell_exec('/servers/ffmpeg/bin/ffmpeg  -i '.$file.' -pass 2 -r 25 -s 580x326 -c:v libx264  -vprofile baseline  -b:v 700k  -keyint_min 50 -acodec libfaac -aq 102 -ar 44100 -ac 2  -f mp4 '.$to);