private void PostChannelInfo(AtomCollection parent, Channel channel)
{
var atom = new AtomCollection();
atom.SetChanID(channel.ChannelID);
atom.SetChanBCID(PeerCast.BroadcastID);
if (channel.ChannelInfo!=null) atom.SetChanInfo(channel.ChannelInfo.Extra);
if (channel.ChannelTrack!=null) atom.SetChanTrack(channel.ChannelTrack.Extra);
parent.SetChan(atom);
}