[mythtv-commits] Ticket #10553: channelscanner can not added the found channels

[MythTV]

#10553: channelscanner can not added the found channels
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 Reporter:  lars.schmohl@…            |          Owner:  danielk
     Type:  Bug Report - General      |         Status:  new
 Priority:  minor                     |      Milestone:  unknown
Component:  MythTV - Channel Scanner  |        Version:  Master Head
 Severity:  medium                    |     Resolution:
 Keywords:                            |  Ticket locked:  0
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Comment (by dekarl@…):

 Lets see...
 Google hints that you might be in Switzerland.

 {{{
 Apr  6 11:28:15 HTPC-core mythtv-setup[11341]: E Scanner
 dvbchannel.cpp:797 (Tune) DVBChan(1:/dev/dvb/adapter0/frontend0): Tune():
 Setting Frontend tuning parameters failed.#012#011#011#011eno: Invalid
 argument (22)
 Apr  6 11:28:15  mythtv-setup[11341]: last message repeated 73 times
 }}}
 looks like your DVB card is unable to automatically guess one of the
 parameters and you have to manually scan one transport and learn the
 others from the network_information_section (NIT).

 Looking further it appears that you might be on DVB-C with CableCom and
 got a welcome letter with a network_id in it.
 The manual network_id setting is not yet hooked up to the GUI, see #7486,
 which enables MythTV to find the correct NIT and realize that your signal
 follows the DVB SI standard.
 {{{
 Apr  6 13:05:13 HTPC-core mythtv-setup[12526]: E CoreContext
 mythdbcon.cpp:648 (exec) Original query failed, but resend with empty
 strings in place of NULL strings worked. #012DB Error
 (MSqlQuery):#012Query was:#012INSERT INTO channelscan_dtv_multiplex  (
 scanid,     mplexid,            frequency,       inversion,
 symbolrate,         fec,             polarity,       hp_code_rate,
 lp_code_rate,    modulation,     transmission_mode,  guard_interval,
 hierarchy,      mod_sys,            rolloff,
 bandwidth,          sistandard,      tuner_type   ) VALUES  ( ?,    ?,
 ?,      ?,     ?,        ?,            ?,      ?,      ?,   ?,    ?, ?, ?,
 ?,           ?,                        ?,         ?,     ?
 );#012Bindings were:#012:BANDWIDTH="a", :FEC="none",
 :FREQUENCY="538000000", :GUARD_INTERVAL="auto",#012:HIERARCHY="a",
 :HP_CODE_RATE="auto", :INVERSION="a",
 :LP_CODE_RATE="auto",#012:MODULATION="qam_64", :MOD_SYS="UNDEFINED",
 :MPLEXID=0, :POLARITY="v",#012:ROLLOFF="0.35", :SCANID=1,
 :SISTANDARD=NULL, :SYMBOLRATE="6900000",#012:TRANSMISSION_MODE="a",
 :TUNER_TYPE=1#012Driver error was [2/1048]:#012QMYSQL3: Unable to execute
 statement#012Database error was:#012Column 'sistandard' cannot be null
 }}}

 Ohh, and the channel.conf parser is known broken at the moment, see #7701
 {{{
 Apr  6 12:51:58 HTPC-core mythtv-setup[12448]: I CoreContext
 dtvconfparser.cpp:317 (AddChannel) Imported channel:  10001 -1  on
 538000000 qam_64 a auto auto a a auto a v fec: none msys: UNDEFINED
 rolloff: 0.35
 }}}

 Looking further it appears that CableCom is only providing CI+ cards, but
 no CI cards, which do not work with Linux at all.
 Knowing some details on country/provider would help alot as especially
 DVB-C providers often need special handling.

-- 
Ticket URL: <http://code.mythtv.org/trac/ticket/10553#comment:2>
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