#[macro_export]
macro_rules! MKBETAG {
	($a:expr, $b:expr, $c:expr, $d:expr) => (
		 ($d as isize)        |
		(($c as isize) << 8)  |
		(($b as isize) << 16) |
		(($a as isize) << 24)
	)
}

#[macro_export]
macro_rules! MKTAG {
	($a:expr, $b:expr, $c:expr, $d:expr) => (
		 ($a as isize)        |
		(($b as isize) << 8)  |
		(($c as isize) << 16) |
		(($d as isize) << 24)
	)
}

// List form: https://www.ffmpeg.org/doxygen/2.7/group__lavc__core.html

fn main() {
    println!("AV_CODEC_ID_HEVC = {}",MKBETAG!('H','2','6','5'));
}