use nihav_core::demuxers::*;
use nihav_core::register;
use nihav_core::demuxers::DemuxerError::*;
use nihav_core::demuxers::*;
use nihav_core::register;
use nihav_core::demuxers::DemuxerError::*;
macro_rules! mktag {
($a:expr, $b:expr, $c:expr, $d:expr) => ({
macro_rules! mktag {
($a:expr, $b:expr, $c:expr, $d:expr) => ({