function readVideo($file) {
header("Content-type: video/mp4");
$fp = @fopen($file, 'rb');
$size = filesize($file); // File size
$length = $size; // Content length
$start = 0; // Start byte
$end = $size - 1; // End byte
// header("Accept-Ranges: 0-$length");
header('Last-Modified: '.gmdate('D, d M Y H:i:s').' GMT');
if (isset($_SERVER['HTTP_RANGE'])) {
$c_end = $end;
// Extract the range string
list(, $range) = explode('=', $_SERVER['HTTP_RANGE'], 2);
// Make sure the client hasn't sent us a multibyte range
if (strpos($range, ',') !== false) {
header('HTTP/1.1 416 Requested Range Not Satisfiable');
header("Content-Range: bytes $start-$end/$size");
exit;
}
if ($range[0] == '-') {
$c_start = $size - substr($range, 1);
} else {
$range = explode('-', $range);
$c_start = $range[0];
$c_end=(isset($range[1])&&is_numeric($range[1]))?$range[1] : $size;
}
$c_end = ($c_end > $end) ? $end : $c_end;
// Validate the requested range and return
// an error if it's not correct.
if ($c_start > $c_end || $c_start > $size - 1 || $c_end >= $size) {
header('HTTP/1.1 416 Requested Range Not Satisfiable');
header("Content-Range: bytes $start-$end/$size");
// (?) Echo some info to the client?
exit;
}
$start = $c_start;
$end = $c_end;
$length = $end - $start + 1; // Calculate new content length
fseek($fp, $start);
header('HTTP/1.1 206 Partial Content');
header("Content-Range: bytes $start-$end/$size");
header("Content-Length: $length");
// Start buffered download
$buffer = 1024 * 8;
while(!feof($fp) && ($p = ftell($fp)) $end) {
$buffer = $end - $p + 1;
}
set_time_limit(0); // Reset time limit for big files
echo fread($fp, $buffer);
// Free up memory.
//Otherwise large files will trigger PHP's memory limit.
flush();
}
fclose($fp);
} else {
header("Content-Range: bytes $start-$end/$size");
header("Content-Length: $length");
readfile($file);
}
}
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