[mythtvnz] EPG Data for 'niche' channels ?

[Steven Ellis]

On Fri, May 11, 2012 12:52 pm, David Moore wrote:
> On 11/05/12 12:21, Nick Rout wrote:
>> On Fri, May 11, 2012 at 11:43 AM, Steven Ellis<steven at openmedia.co.nz>
>> wrote:
>>>
>>> On Thu, May 10, 2012 6:26 pm, David Moore wrote:
>>>> On 10/05/12 17:18, Steven Ellis wrote:
>>>>>
>>>>> On Thu, May 10, 2012 3:14 pm, David Moore wrote:
>>>>>> On 10/05/12 09:07, Steven Ellis wrote:
>>>>>>>
>>>>>>> Hi David. In your MythTV setup for the freeview source what time
>>>>>>> zone
>>>>>>> do
>>>>>>> you set for the EPG. In my case I default to using AUTO as I import
>>>>>>> multiple EPG feeds for different timezones, for example SBS (now
>>>>>>> sadly
>>>>>>> off
>>>>>>> air).
>>>>>>>
>>>>>>> When I generate listings with epgsnoop the data contains the +1200
>>>>>>> offset
>>>>>>> based on my local system vs the DVB data.
>>>>>>>
>>>>>>> In the case of DTT I merge DVB and MHEG data so that my DTT and DTH
>>>>>>> channels are being provided with identical EPG information. For the
>>>>>>> DTT
>>>>>>> exclusive channels I just pull them from the MHEG file using
>>>>>>> tv_split
>>>>>>> and
>>>>>>> tv_cat.
>>>>>>>
>>>>>>> Steve
>>>>>>>
>>>>>> Hi Steve. My setting is "none" for the EPG timezone. I only have
>>>>>> DVB-T
>>>>>> so it works fine with the MHEG EPG local times. I'll probably do a
>>>>>> quick
>>>>>> fix just for you :) that gives you the option to generate UTC +1200
>>>>>> (or
>>>>>> +1300 for DST). Then I'll think about a more general solution.
>>>>>> /David
>>>>>>
>>>>>
>>>>> Dave. That would be brilliant. Cheers
>>>>> --------------------------------------------
>>>>> Steven Ellis - Technical Director
>>>>> OpenMedia Limited - The Home of myPVR
>>>>> email   - steven at openmedia.co.nz
>>>>> website - http://www.openmedia.co.nz
>>>>
>>>> Version 0.3.4 just uploaded. Turned out to be not so simple because
>>>> (a)
>>>> I decided to try and do it right rather than quick and dirty and (b)
>>>> surprisingly Python doesn't do time zones very well. Anyway I think it
>>>> works. Just add "-z" command line arg. Enjoy.
>>>>
>>>
>>> Nice try but times are off by a couple of hours.
>>
>> 12 hours isn't it? (one says 0600 hours or 6am, t'other says 1800 or
>> 6pm)
>>
>>>
>>> For example take from DVB-S i get
>>>
>>> <programme channel="1035.dvb.guide" start="20120512180000 +1200"
>>> stop="20120512190000 +1200">
>>>         <title lang="eng">ONE News At 6pm</title>
>>>         <desc>The nation's leading team of journalists brings viewers
>>> the
>>> latest news and sport, plus the most comprehensive weather
>>> report.</desc>
>>>         <category>tvshow</category>
>>>         <category>News/Current Affairs</category>
>>>         <!-- Cat:2-0 -->
>>>         <!-- Unknown rating:0 -->
>>> </programme>
>>>
>>>
>>>  From MHEG I get
>>>
>>>         <programme channel="1200.dvb.guide" start="20120511060000
>>> +1200"
>>> stop="20120511070000 +1200">
>>>                 <title>ONE News At 6pm</title>
>>>                 <desc>The nation's leading team of journalists brings
>>> viewers the latest news and sport, plus the most
>>> comprehensive weather report.</desc>
>>>                 <episode-num system="dd_progid">10272257</episode-num>
>>>                 <subtitles type="teletext" />
>>>         </programme>
>>>
>>> Cheers
>>>
>>> Steve
>>>
>
> Well it looks like the DVB-S date/time is wrong to me. The UTC time for
> news at 6 pm should be 2012mmdd060000 because we're 12 hours ahead of
> UTC. The MHEG UTC time 2012mmdd060000 +1200 equals 6 pm local. Are you
> using a time offset of 12 hrs in the myth EPG config or just the auto
> setting with no offset?
>
> I have a minor tweak ready to upload which just produces UTC times with
> no offset. Maybe that will help.
>

The following patch fixes it. If the times are UTC you don't need to
specify the offset. If the times are local you need to specify the offset..

*** mhegepgsnoop-0.3.4.py	2012-05-10 18:20:48.000000000 +1200
--- mhegepgsnoop-0.3.4a.py	2012-05-11 12:11:28.000000000 +1200
***************
*** 649,655 ****
  				hh = int(offset/3600.0)	# Divide by float to get correct values for
negatives
  				mm = (offset - hh*3600)/60
  				offset  = hh * 100 + mm
! 	                	start_time = time.strftime("%Y%m%d%H%M00",
time.gmtime(time.mktime(date2)))
  				start_time = start_time + ' {0:+5}'.format(offset)
  			else:				# If times should be local
  	                	start_time = time.strftime("%Y%m%d%H%M00",
time.localtime(time.mktime(date2)))
--- 649,656 ----
  				hh = int(offset/3600.0)	# Divide by float to get correct values for
negatives
  				mm = (offset - hh*3600)/60
  				offset  = hh * 100 + mm
! 	                	#start_time = time.strftime("%Y%m%d%H%M00",
time.gmtime(time.mktime(date2)))
! 	                	start_time = time.strftime("%Y%m%d%H%M00",
time.localtime(time.mktime(date2)))
  				start_time = start_time + ' {0:+5}'.format(offset)
  			else:				# If times should be local
  	                	start_time = time.strftime("%Y%m%d%H%M00",
time.localtime(time.mktime(date2)))





--------------------------------------------
Steven Ellis - Technical Director
OpenMedia Limited - The Home of myPVR
email   - steven at openmedia.co.nz
website - http://www.openmedia.co.nz