There's no reasons not to enable DVB support if libdvbpsi is present
and the kernel headers are present. It does not add any dependency over
the TS demux.

DVB headers were merged with Linux 2.5, so there is really no use for
--with-dvb anymore.

This fixes a crash with VoD when all tracks were not set up

This fixes problems with lost characters and failure to close
connections in some cases

No functionnal change

Should fix #4561, thanks to stiger

This is a follow-up to dae71aacSigned-off-by: Felix Paul Kühne <fkuehne@videolan.org>

I think this should be optimised to rotate symbolrates only
when we get signal but were unable to tune channels.

This commit also causes that eta shows even more strange
times until it gets lock on some channel with correct
modulation/symbolrate.

This enables to keep eg. channel names from dvb playlist when
copying them to medialibrary or inside playlist tree.

Signed-off-by: Ilkka Ollakka <ileoo@videolan.org>

Basicly code loops over all modulation before moving to
next frequency position untill we find some channels.

Side effect is that estimate-timer shows funky values.

gzip was including a timestamp, and tar was enumerating files in an
unspecified/variable order.
Signed-off-by: Rémi Denis-Courmont <remi@remlab.net>
(+ minor modifiations)