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MediaPortal 1
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Watch / Listen Media
Television (MyTV frontend and TV-Server)
FireDTV-Random occurences of Channel Scrambled-using SVN with CAM time delay setting
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<blockquote data-quote="erosco" data-source="post: 253714" data-attributes="member: 52829"><p>I have very similar problems using a Floppy DVB-S card with CAM and SelectTV smartcard. I have a few points but unfortunately no final answer.</p><p></p><p>I too see the above symptoms and am yet to work out the combination of events that screws up MP.</p><p></p><p>I am aware (from my comms days) that different channel groups use different keys for decoding, and depending on your provider these keys are rotated periodically.</p><p></p><p>Thus, you may have one group of channels happily playing using key-A (because it's changed everynight at midnight) but the other group rotated it's key (B) to a new sequence at noon.. if your PC or MP didn't happen to be running (listening to the Sat/Cable signal at that time) it would have missed the key change/update.. </p><p></p><p>By powering off your PC then back on you force the cable/sat decoder to listen for key changes and not use any 'old' stale keys it had in memory.. </p><p></p><p>This would explain your scenario. (and I'm sure is my problem at times). The only 'real' solution I've found is to leave my PC running 24x7 so I don't miss key updates or use an S1 type of standby which I don't feel gives me much gain as power is running..</p><p></p><p>Finally.. I do also see the situation where MP seems to get out of sync with the CAM while FireDTV works... I think the FireDTV interface to the CAM is NOT through the standard 'CI' API that the CI program uses and that I assume MP uses. In this situation if I start the FireDTV program 'CI' I get an 'error getting MMI object' message.. I assume this is the same error MP gets via the API and why it reports channel scrambled.. If I stop and start the CI program a few times I find the CAM interface comes good and MP also starts working.. I feel this is a FireDTV issue and not MP issue.</p><p></p><p>hope this info helps/makes sense.</p><p></p><p>Cheers</p><p>erosco</p></blockquote><p></p>
[QUOTE="erosco, post: 253714, member: 52829"] I have very similar problems using a Floppy DVB-S card with CAM and SelectTV smartcard. I have a few points but unfortunately no final answer. I too see the above symptoms and am yet to work out the combination of events that screws up MP. I am aware (from my comms days) that different channel groups use different keys for decoding, and depending on your provider these keys are rotated periodically. Thus, you may have one group of channels happily playing using key-A (because it's changed everynight at midnight) but the other group rotated it's key (B) to a new sequence at noon.. if your PC or MP didn't happen to be running (listening to the Sat/Cable signal at that time) it would have missed the key change/update.. By powering off your PC then back on you force the cable/sat decoder to listen for key changes and not use any 'old' stale keys it had in memory.. This would explain your scenario. (and I'm sure is my problem at times). The only 'real' solution I've found is to leave my PC running 24x7 so I don't miss key updates or use an S1 type of standby which I don't feel gives me much gain as power is running.. Finally.. I do also see the situation where MP seems to get out of sync with the CAM while FireDTV works... I think the FireDTV interface to the CAM is NOT through the standard 'CI' API that the CI program uses and that I assume MP uses. In this situation if I start the FireDTV program 'CI' I get an 'error getting MMI object' message.. I assume this is the same error MP gets via the API and why it reports channel scrambled.. If I stop and start the CI program a few times I find the CAM interface comes good and MP also starts working.. I feel this is a FireDTV issue and not MP issue. hope this info helps/makes sense. Cheers erosco [/QUOTE]
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FireDTV-Random occurences of Channel Scrambled-using SVN with CAM time delay setting
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