A gap in recording on PID change

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Hi,

I'm having some problems with the changing pids between programs with
different language specifications on the YLE mux in Finland. The problem
is that the pid changes a bit late on the program start, not during a
black screen. As a result, there is a short gap in the beginning of the
show, as vdr restarts the recording into a new file. The gap is
visible/hearable also on live tv, even without recording taking place.
The other muxes don't have this problem (their pids don't change).

I'm a bit surprised that I couldn't find anything from the archives on
this (or maybe I just failed in the search)... Anyone else experience
this? And are there any ways to circumvent it (to disable the
stop/start, or to make the switch more fluent)?

I've tried this with Nebula PCI DVB-T with kernel stock drivers of
2.6.7 and 2.6.11.5 and vdr 1.3.12 and 1.3.22, and, on a different
computer, with Terratec Cinery T2, 2.6.10 and 1.3.22.

I'm attaching a clip of a syslog (the actual recording started 2 minutes
earlier).

Mar 19 20:30:01 localhost vdr[19631]: channel 4 (YLE24) event 20:30
                'Tv-uutiset ja s' status 4 
Mar 19 20:30:02 localhost vdr[19629]: changing pids of channel 1 from
                512+128:650=eng:2321 to 512+128:650=fin:2321 
Mar 19 20:30:02 localhost vdr[19625]: stopping recording due to
                modification of channel 1  
Mar 19 20:30:03 localhost vdr[21696]: recording thread ended (pid=21696,
                tid=262161)  
Mar 19 20:30:03 localhost vdr[21695]: file writer thread ended
                (pid=21695, tid=245776)  
Mar 19 20:30:03 localhost vdr[19625]: buffer stats: 68056 (1%) used 
Mar 19 20:30:03 localhost vdr[19625]: timer 11 (1 2028-2054
                'Tv-uutiset ja s') stop 
Mar 19 20:30:03 localhost vdr[19625]: retuning due to modification of
                channel 1  
Mar 19 20:30:03 localhost vdr[19625]: switching to channel 1 
Mar 19 20:30:03 localhost vdr[19636]: transfer thread ended (pid=19636,
                tid=147466)  
Mar 19 20:30:03 localhost vdr[19625]: buffer stats: 97760 (4%) used 
Mar 19 20:30:03 localhost vdr[19625]: buffer stats: 0 (0%) used 
Mar 19 20:30:03 localhost vdr[22301]: transfer thread started
                (pid=22301, tid=278538)  
Mar 19 20:30:03 localhost vdr[19625]: buffer stats: 14852 (7%) used 
Mar 19 20:30:03 localhost vdr[19625]: buffer stats: 564 (0%) used 
Mar 19 20:30:03 localhost vdr[19625]: switching device 1 to channel 1 
Mar 19 20:30:03 localhost vdr[19625]: timer 11 (1 2028-2054 'Tv-uutiset
                ja s') start


Best Regards,

Timo


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