$flv = PHPVIDEOTOOLKIT_EXAMPLE_ABSOLUTE_BATH . 'to-be-processed/rickroll.flv';
if (isset($_GET['file'])) {
// require the library
require_once '../phpvideotoolkit.' . $use_version . '.php';
// temp directory
$tmp_dir = PHPVIDEOTOOLKIT_EXAMPLE_ABSOLUTE_BATH . 'tmp/';
// start ffmpeg class
$toolkit = new PHPVideoToolkit($tmp_dir);
// set the flv input
$toolkit->setInputFile($flv);
// get the incoming stream position
$stream_pos = isset($_GET['pos']) ? $_GET['pos'] : 0;
// in this example we will enable bandwidth limiting at the extreme and is not really practicle for live purposes
// it will only release 100 bytes of the file every second, thus it should take roughly 5 minutes to release a 29Mb file
// it will also prevent the browser cache from retaining the file.
$toolkit->flvStreamSeek($stream_pos, array('active' => true, 'packet_size' => $packet_size, 'packet_interval' => $packet_interval), false);
exit;
//<- exits
}
$size = filesize($flv);
echo '<strong>Bandwidth Restrictions and Download Rate.</strong><br />';
echo 'The flv media is ' . $size . ' bytes, using the bandwidth speed limit of ' . $packet_interval . ' kb/s media should be completely loaded in roughly ' . round($size / ($packet_interval * 1024 * $packet_size), 1) . ' seconds.<br />';
echo 'This may not appear to be the case in the player as the player will buffer the contents, You should notice that after a while the player will re-buffer the file. This is because the file was not loaded directly but through this script which buffered the release of the flv.<br />';
echo 'However you can test this better by downloading <a href="example13.php?file=to-be-processed/rickroll.flv&pos=0&packet_size=' . $packet_size . '">this link</a>.<br />';
echo 'You should notice that the file is downloading as a normal file off the internet, however the flv will download at a extremely slowed rate (more like dial-up speed than broadband or DSL) even if you are testing this script on your localhost.<br />';
echo '<br />';
echo '<strong>Change the example bandwidth restriction.</strong><br />';
echo '<select onchange="document.location.href=\'' . $_SERVER['PHP_SELF'] . '?packet_size=\'+this.value">
<option label="5 kb/s (Dialup)" value="5"' . ($packet_size == '5' ? ' selected' : '') . '>5 kb/s (Dialup)</option>
<option label="10 kb/s" value="10"' . ($packet_size == '10' ? ' selected' : '') . '>10 kb/s</option>
<option label="20 kb/s" value="20"' . ($packet_size == '20' ? ' selected' : '') . '>20 kb/s</option>
