#[allow(unused_variables)]
fn read_header(&mut self, strmgr: &mut StreamManager) -> DemuxerResult<()> {
let (id, size, ver) = read_chunk(self.src)?;
#[allow(unused_variables)]
fn read_header(&mut self, strmgr: &mut StreamManager) -> DemuxerResult<()> {
let (id, size, ver) = read_chunk(self.src)?;