let mut edata: Vec<u8> = Vec::with_capacity(HEADER_SIZE);
edata.extend_from_slice(&header);
let vhdr = NAVideoInfo::new(width, height, false, PAL8_FORMAT);
let mut edata: Vec<u8> = Vec::with_capacity(HEADER_SIZE);
edata.extend_from_slice(&header);
let vhdr = NAVideoInfo::new(width, height, false, PAL8_FORMAT);