fn parse_audio_edata(br: &mut ByteReader, start_pos: u64, size: u64) -> DemuxerResult<Option<Vec<u8>>> {
let read_part = br.tell() - start_pos;
if read_part + 8 < size {
fn parse_audio_edata(br: &mut ByteReader, start_pos: u64, size: u64) -> DemuxerResult<Option<Vec<u8>>> {
let read_part = br.tell() - start_pos;
if read_part + 8 < size {