if let NACodecTypeInfo::Audio(ainfo) = info.get_properties() {
let edata = info.get_extradata().unwrap();
if let NACodecTypeInfo::Audio(ainfo) = info.get_properties() {
let edata = info.get_extradata().unwrap();
let info = pkt.get_stream().get_info();
validate!(info.get_properties().is_audio());
let pktbuf = pkt.get_buffer();
let info = pkt.get_stream().get_info();
validate!(info.get_properties().is_audio());
let pktbuf = pkt.get_buffer();