Usage

<?
include("mp4/Mp4.php");

$mp4 = new Mp4("file.f4v");
$start_time = 10; //seconds
$end_time = 30; //seconds

header("Content-type: video/f4v");
echo $mp4->trim($start_time, $end_time);
?>

TODO: Create some proxy.php file ready to use by some existing flash video player. TODO: Make massive tests using different .f4v from differents encoders. TODO: Optimize the memory usage