CDNWiki - View Source: genSeekTable.php

Deps: [hexdump.php]
<verbatim>
#!/usr/bin/env php
<?php

require_once 'hexdump.php';

$seektable="";

while(!feof(STDIN)) {
	$sz = fread(STDIN, 4);
	$count = unpack('V', $sz);
	$count = $count[1];
//	printf("0x%08x => %u\n", $count, $count);
	$seektable.= $sz;
	$frame = fread(STDIN, $count);
	$crc32 = unpack('V', substr($frame, -4, 4));
	$crc32 = $crc32[1];
	$frame = substr($frame, 0, strlen($frame) - 4);
//	if ($crc32 != ($framecrc = crc32($frame))) {
//		fwrite(STDERR, "Frame CRC mismatch! ");
//		fwrite(STDERR, sprintf("0x%08x != 0x%08x\n", $crc32, $framecrc));
//		fwrite(STDERR, hexdump($frame, false, false, true));
//	}
	if (!(strlen($seektable) / 1024))
		fwrite(STDERR, '.');
}
$seektable.= pack('V', crc32($seektable));
fwrite(STDERR, hexdump($seektable, false, false, true));
echo $seektable;


?>
</verbatim>