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<blockquote data-quote="snowball" data-source="post: 1122808" data-attributes="member: 86111"><p>Hi mm</p><p></p><p>maybe i was not precise enough.in the past there have been 2 issues why i implemented the grep on same channel</p><p>1. issue was with ARD/ZDF in Germany</p><p>they "own" multiple transmitters. and where sending on all transmitters epg data for all theire channels.</p><p>BUT. for channels on a different transponder only the ~ next hour of programms.</p><p>so with the old implementation the grapper would mark those channels that are on another transmitter as grapped. and wouldnt grap them on theire own transmitter. so would not get all the programms later.</p><p>This issue shouldnt be an issue with your new implementation as it would grap all transmitters regardless if you already found data for a channel on an earlyer channel.</p><p></p><p>2.issue was with SKY in Germany</p><p>Sky was also sending programinformation for next to all of theire channels on all their transmitters (would need to check if they still do)</p><p>but here it was different then in issue 1. They have been sending for all their channels all programms on all transmitters (all is not 100% correct as i rememberit was a subset of their own channels but not the 3rd party ones)</p><p>BUT they only send reduced information (e.g. no or short description only) for programentries on transmitters where the channel was not broadcasted on.</p><p>This resulted with the old implementation in missing description when a channel was grapped on a transmitter where it was not broadcasted on, because grapper marked the channel grapped and didnt tried it on the transmitter where the channel was actually broadcasted on where also the full description for the programmentry was available.</p><p></p><p>And here is where i am unsure if your implementation would cover this.</p><p>e.g. transmitter 21 and 22 is used by sky. channel A is broadcasted on 22.</p><p>lets say you grap first the transmitter 21 where you find EPG data for channel A but without or with limited description you would inject that data to DB.</p><p>Now grapper will run on transmitter 22 and will again find channel A -> will it now overwrite all the Programentries for Channel A?</p><p>If so it would be ok as Transmitter 22 has the more accurate data for the programm.</p><p>But when it would be the other way around you grap first Transmitter 22 and insert all and then on transmitter 21 you find the channel A programms with no descrtiption and overwrite the more accurate data from Transmitter 22 it would be a problem.</p><p></p><p>I hope this is more clear now. </p><p>And i also have to say that i am not sure if they still do this "mess" on Sky and ARD/ZDF as i am running with the setting since years and never tried to switch it off again as i was happy <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /></p><p></p><p>I am just about to set up a test system to verify this. i just have little time left to work on MP (unfortunately)</p><p></p><p>Also when the 2. issue would also be solved with your new solution ill try to get my test system running with your implementation soon.</p><p></p><p>Cheers Snow</p></blockquote><p></p>
[QUOTE="snowball, post: 1122808, member: 86111"] Hi mm maybe i was not precise enough.in the past there have been 2 issues why i implemented the grep on same channel 1. issue was with ARD/ZDF in Germany they "own" multiple transmitters. and where sending on all transmitters epg data for all theire channels. BUT. for channels on a different transponder only the ~ next hour of programms. so with the old implementation the grapper would mark those channels that are on another transmitter as grapped. and wouldnt grap them on theire own transmitter. so would not get all the programms later. This issue shouldnt be an issue with your new implementation as it would grap all transmitters regardless if you already found data for a channel on an earlyer channel. 2.issue was with SKY in Germany Sky was also sending programinformation for next to all of theire channels on all their transmitters (would need to check if they still do) but here it was different then in issue 1. They have been sending for all their channels all programms on all transmitters (all is not 100% correct as i rememberit was a subset of their own channels but not the 3rd party ones) BUT they only send reduced information (e.g. no or short description only) for programentries on transmitters where the channel was not broadcasted on. This resulted with the old implementation in missing description when a channel was grapped on a transmitter where it was not broadcasted on, because grapper marked the channel grapped and didnt tried it on the transmitter where the channel was actually broadcasted on where also the full description for the programmentry was available. And here is where i am unsure if your implementation would cover this. e.g. transmitter 21 and 22 is used by sky. channel A is broadcasted on 22. lets say you grap first the transmitter 21 where you find EPG data for channel A but without or with limited description you would inject that data to DB. Now grapper will run on transmitter 22 and will again find channel A -> will it now overwrite all the Programentries for Channel A? If so it would be ok as Transmitter 22 has the more accurate data for the programm. But when it would be the other way around you grap first Transmitter 22 and insert all and then on transmitter 21 you find the channel A programms with no descrtiption and overwrite the more accurate data from Transmitter 22 it would be a problem. I hope this is more clear now. And i also have to say that i am not sure if they still do this "mess" on Sky and ARD/ZDF as i am running with the setting since years and never tried to switch it off again as i was happy :-) I am just about to set up a test system to verify this. i just have little time left to work on MP (unfortunately) Also when the 2. issue would also be solved with your new solution ill try to get my test system running with your implementation soon. Cheers Snow [/QUOTE]
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