if let NACodecTypeInfo::Video(vinfo) = info.get_properties() {
let w = vinfo.get_width();
let h = vinfo.get_height();
if let NACodecTypeInfo::Video(vinfo) = info.get_properties() {
let w = vinfo.get_width();
let h = vinfo.get_height();
let src = pkt.get_buffer();
let mut br = BitReader::new(src.as_slice(), src.len(), BitReaderMode::LE);
let src = pkt.get_buffer();
let mut br = BitReader::new(src.as_slice(), src.len(), BitReaderMode::LE);