func (r *Reader) parseClusters(elmts *ebml.Element) {
var err error
for err == nil {
var c Cluster
var e *ebml.Element
e, err = elmts.Next()
if err == nil {
err = e.Unmarshal(&c)
}
if err != nil && err.Error() == "Reached payload" {
r.index.append(seekEntry{time.Millisecond * time.Duration(c.Timecode), e.Offset})
r.sendCluster(err.(ebml.ReachedPayloadError).Element,
time.Millisecond*time.Duration(c.Timecode))
err = nil
}
seek := BadTC
for len(r.seek) != 0 {
seek = <-r.seek
}
if err == io.EOF {
var eofpkt Packet
eofpkt.Timecode = BadTC
r.send(&eofpkt)
seek = <-r.seek
if seek != BadTC {
err = nil
}
}
if seek != BadTC {
entry := r.index.search(seek)
elmts.Seek(entry.offset, 0)
var seekpkt Packet
seekpkt.Timecode = seek
r.send(&seekpkt)
}
if seek == shutdown {
err = io.EOF
}
}
close(r.Chan)
}
