Carsten Koch wrote: > Luca Olivetti wrote: > >> VDR doesn't let you switch to a channel that you cannot decrypt. I >> usually like this feature, so I won't switch to a channel I cannot >> see, but today some channels at 28.5E are FTA (a sky promotion or a >> technical glitch?), even if they have a caid!=0, so I had to modify >> cDvbDevice::ProvidesCa to alway return true. I know that sky's to >> blame (or maybe they just don't want to advertise their channels as >> FTA), but maybe it should be a configurable option. > > > I strongly agree that the current mechanism is theoretically a good > idea but works poorly in practise. > > 1) Many channels have a caid=0, but when you tune to them, > all you see is a black screen. > Maybe they transmit only rarely or they are in fact > encrypted, but do not set the proper caid. > > 2) When you have a certain cam, it does not mean that you can > always receive *all* channels supported by its ID. > So you will have even more "dead" channels in your channels.conf. > > 3) Channels may broadcast unencrypted in spite of caid!=0 (see above). > > 4) If you do not have any cam, you tend to get a huge channels.conf > with mostly unusable garbage in it. > > What I would *love* to see is the following feature: > Every time VDR does an EPG scan, it reads from the channel it just > switched to. If there are no data within a few seconds, it increments > a number in the channel entry, if there are data, it clears this > number. If the number exceeds a configurable threshold, the > channel entry is deleted. > Before adding new channels to channels.conf, VDR switches to the > channel and reads from it. If there are no data within a few seconds, > it does not add it. > > With this feature, only interesting new channels (like the ones you > observed above) would appear at the end of channels.conf, inactive > channels would disappear automatically after a while and the whole > channels.conf would stay a lot cleaner and more manageable. Sounds like a good thing to do in a plugin - way too complex for the VDR core ;-) Klaus
