I was checking for a fix so i remember that we have ffmpeg suposedly include on our server.
so i've figured out i could use some code like this in converter.php :
extension_loaded('ffmpeg') or die('Error in loading ffmpeg');
$video_width_we_want = 450;
$moviecheckup = new ffmpeg_movie($avi_file);
$v_hauteur = $moviecheckup->getFrameHeight();
$v_largeur = $moviecheckup->getFrameWidth();
$v_ratio = $moviecheckup->getPixelFormat();
if($v_ratio != "1:1") {
# it in another ratio BY DESIGN
$asptect_detected = explode(':',$v_ratio);
$video_height_we_want = floor( ( 450 * $asptect_detected[1] ) / $asptect_detected[0] );
} else {
#we'll get its ratio by filesize...
$video_height_we_want = floor( ( 450 * $v_largeur ) / $v_hauteur );
}
but my test file cought something like :
"Error in loading ffmpeg"
so i'm back to square 1.