[vdr] EPGSearch doesn't avoid repeats anymore?
cwieninger at gmx.de
Wed Nov 10 23:20:13 CET 2010
well, the intended behaviour was:
setting 'if present': two events match if both have non empty episode
names that match. If not, the events are handled as different, resulting
in more eventually double recordings.
setting 'Yes': the match is achieved if the episode names match, also if
both are empty. If the provider delivers no episode names for two
different events, just one would be recorded.
IMHO, it seems the code should actually look like this:
if ((!compareTitle || Title1 == Title2)&&
(!compareSubtitle || (Subtitle1 == Subtitle2&&
(compareSubtitle==1 || Subtitle1!=""))))
please note the "compareSubtitle==1" ('Yes') instead of
"compareSubtitle==2 ('If present').
BTW, this was the code of my first commit on 2008-12-03, that I
'corrected' for any reason to the current code on the same day:
The documentation should also be fixed to:
...Caution: if your EPG data has no episode names for different episodes
don't use option 'yes'! 'if present' will then be the better choice even
results in double recordings.
Probably it would be the best solution to drop the 'Yes' setting.
Am 10.11.2010 14:43, schrieb Dominic Evans:
> On 10/11/10 13:25, Dominic Evans wrote:
>> I don't think its a bug, it seems to be the intended function.
>> 1) First it checks that we either said 'don't compare the title' or the
>> titles match (!compareTitle || Title1 == Title2)
>> 2a) Then it ANDs this with a check that either we said 'don't compare
>> the subtitle' (!compareSubtitle) OR the subtitles match (Subtitle1 ==
>> Subtitle2) AND also we've either said 'only if present'
>> (compareSubtitle==2) OR at least one of the sub-titles is non-empty
>> I just don't know why its a useful function :-)
> I did a bit more digging and discovered this was a new option since
> 0.9.25.beta7 and is listed in the HISTORY as:
>> Avoid repeats: 'Compare subtitle' has now a third value 'if present'
>> besides 'no' and 'yes'. With this setting epgsearch will classify two
>> events only as equal if their episode names match and are not empty.
>> Caution: if your EPG data has no episode names for different episodes
>> don't use this option! 'yes' will then be the better choice even if this
>> results in double recordings.
> I think the description here is incorrect though. "epgsearch will
> classify two events only as equal if their episode names match and are
> not empty" seems to be the behaviour when this option is set to 'yes',
> not when it is set to the new 'if present' third value. The last
> sentence also seems to be incorrect. 'if-present' is the optimal
> choice if your EPG data doesn't always have episode names, using them
> for the comparison if they're present, ignoring them if they're missing.
> For anyone interested, I've attached the git-diff of 53677636 (when
> this was introduced).
> vdr mailing list
> vdr at linuxtv.org
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