Marc Tousignant wrote:
I think I figured it out…
Since I knew C82 program 1 was my local PBS I located the correct frequency for this channel in dtv_multiplex
INSERT INTO dtv_multiplex (mplexid, sourceid, transportid, networkid, frequency, inversion, symbolrate, fec, polarity, modulation, bandwidth, lp_code_rate, transmission_mode, guard_interval, visible, constellation, hierarchy, hp_code_rate, sistandard, serviceversion, updatetimestamp) VALUES (89,1,NULL,NULL,573000000,'a',NULL,'auto',NULL,'qam_256','a','auto','a','auto',0,'auto','auto','auto','atsc',33,20050331082612);
Using this knowledge I then changed the mplexid of the correct listing to 89 in channel.
INSERT INTO channel (chanid, channum, freqid, sourceid, callsign, name, icon, finetune, videofilters, xmltvid, recpriority, contrast, brightness, colour, hue, tvformat, commfree, visible, outputfilters, useonairguide, mplexid, serviceid, atscsrcid) VALUES (1802,'802','802',1,'WGBHDT','WGBHDT (WGBH-DT)','none',NULL,'','28055',0,32768,32768,32768,32768,'Default',0,1,'',0,89,NULL,NULL);
Starting mythbackend I then saw
2005-03-31 13:55:09.792 SIParser: About to do a reset
2005-03-31 13:55:09.792 SIParser: Closing all PIDs
2005-03-31 13:55:09.792 SIParser: Using DelAllPids from SIParser which does nothing
2005-03-31 13:55:09.792 SIParser: Resetting all Table Handlers
2005-03-31 13:55:09.792 SIParser: SIParser Reset due to channel change
2005-03-31 13:55:09.793 DVB#0 DVB SI Table Parser Started
2005-03-31 13:55:09.793 DVB#0 Using DVB card 0, with frontend pcHDTV HD3000 HDTV.
2005-03-31 13:55:09.793 DVB#0 Trying to tune to channel 802.
2005-03-31 13:55:09.793 SIParser: Starting DVB Section Reader thread
2005-03-31 13:55:09.793 SIParser: Starting SIScanner
2005-03-31 13:55:09.794 DVB#0 Mod:
2005-03-31 13:55:09.794 SIParser: About to do a reset
2005-03-31 13:55:09.794 SIParser: Closing all PIDs
2005-03-31 13:55:09.795 SIParser: Resetting all Table Handlers
2005-03-31 13:55:09.795 SIParser: SIParser Reset due to channel change
2005-03-31 13:55:09.795 DVB#0 Waiting for frontend event after tune.
2005-03-31 13:55:10.055 DVB#0 DVB signal 977 | snr fde1 | ber 0 | unc 0
2005-03-31 13:55:10.055 DVB#0 Status: LOCK.
2005-03-31 13:55:10.055 SIParser: Requesting PAT
2005-03-31 13:55:10.055 DVB#0 Multiplex Locked
2005-03-31 13:55:10.055 SIParser: Adding a PMT (0) to the request list
2005-03-31 13:55:10.796 SIParser: Table[0]->RequirePIDs() == true
2005-03-31 13:55:10.797 SIParser: Adding PID 0 Filter 0 Mask ff Buffer 40960
2005-03-31 13:55:10.797 SIParser: Table[2]->RequirePIDs() == true
2005-03-31 13:55:10.797 SIParser: Adding PID 1ffb Filter ff Mask 0 Buffer 40960
2005-03-31 13:55:10.798 SIParser: Table[3]->RequirePIDs() == true
2005-03-31 13:55:10.798 SIParser: Adding PID 1ffb Filter ff Mask 0 Buffer 40960
2005-03-31 13:55:11.150 SIParser: PAT Version = 2
2005-03-31 13:55:11.150 SIParser: Tuned to TransportID: 32950
2005-03-31 13:55:11.150 SIParser: Services on this Transport: 1 2
2005-03-31 13:55:11.150 SIParser: Table[0]->Complete() == true
2005-03-31 13:55:11.150 SIParser: Table[1]->RequirePIDs() == true
2005-03-31 13:55:11.150 SIParser: Adding PID 0 Filter 2 Mask ff Buffer 40960
2005-03-31 13:55:16.059 DVB#0 Timeout Getting PMT
2005-03-31 13:55:16.059 DVB#0 ERROR - Tuning for channel #802 failed.
Taking a guess I then went back and changed the serviceid to 1 because it was subchannel 1
INSERT INTO channel (chanid, channum, freqid, sourceid, callsign, name, icon, finetune, videofilters, xmltvid, recpriority, contrast, brightness, colour, hue, tvformat, commfree, visible, outputfilters, useonairguide, mplexid, serviceid, atscsrcid) VALUES (1802,'802','802',1,'WGBHDT','WGBHDT (WGBH-DT)','none',NULL,'','28055',0,32768,32768,32768,32768,'Default',0,1,'',0,89,1,NULL);
Now I am getting this in mythbackend on start
2005-03-31 13:59:22.477 SIParser: About to do a reset
2005-03-31 13:59:22.477 SIParser: Closing all PIDs
2005-03-31 13:59:22.477 SIParser: Using DelAllPids from SIParser which does nothing
2005-03-31 13:59:22.477 SIParser: Resetting all Table Handlers
2005-03-31 13:59:22.477 SIParser: SIParser Reset due to channel change
2005-03-31 13:59:22.478 DVB#0 DVB SI Table Parser Started
2005-03-31 13:59:22.478 SIParser: Starting DVB Section Reader thread
2005-03-31 13:59:22.478 DVB#0 Using DVB card 0, with frontend pcHDTV HD3000 HDTV.
2005-03-31 13:59:22.478 DVB#0 Trying to tune to channel 802.
2005-03-31 13:59:22.478 SIParser: Starting SIScanner
2005-03-31 13:59:22.479 DVB#0 Mod:
2005-03-31 13:59:22.479 SIParser: About to do a reset
2005-03-31 13:59:22.480 SIParser: Closing all PIDs
2005-03-31 13:59:22.480 SIParser: Resetting all Table Handlers
2005-03-31 13:59:22.480 SIParser: SIParser Reset due to channel change
2005-03-31 13:59:22.480 DVB#0 Waiting for frontend event after tune.
2005-03-31 13:59:22.740 DVB#0 DVB signal 977 | snr fdc9 | ber 0 | unc 0
2005-03-31 13:59:22.740 DVB#0 Status: LOCK.
2005-03-31 13:59:22.740 SIParser: Requesting PAT
2005-03-31 13:59:22.740 DVB#0 Multiplex Locked
2005-03-31 13:59:22.740 SIParser: Adding a PMT (1) to the request list
2005-03-31 13:59:23.481 SIParser: Table[0]->RequirePIDs() == true
2005-03-31 13:59:23.481 SIParser: Adding PID 0 Filter 0 Mask ff Buffer 40960
2005-03-31 13:59:23.482 SIParser: Table[2]->RequirePIDs() == true
2005-03-31 13:59:23.482 SIParser: Adding PID 1ffb Filter ff Mask 0 Buffer 40960
2005-03-31 13:59:23.483 SIParser: Table[3]->RequirePIDs() == true
2005-03-31 13:59:23.483 SIParser: Adding PID 1ffb Filter ff Mask 0 Buffer 40960
2005-03-31 13:59:23.899 SIParser: PAT Version = 2
2005-03-31 13:59:23.900 SIParser: Tuned to TransportID: 32950
2005-03-31 13:59:23.900 SIParser: Services on this Transport: 1 2
2005-03-31 13:59:23.900 SIParser: Table[0]->Complete() == true
2005-03-31 13:59:23.900 SIParser: Table[1]->RequirePIDs() == true
2005-03-31 13:59:23.900 SIParser: Adding PID 30 Filter 2 Mask ff Buffer 40960
2005-03-31 13:59:24.121 SIParser: PMT ServiceID: 1 Version = 4
2005-03-31 13:59:24.121 SIParser: PID: 2048
2005-03-31 13:59:24.121 SIParser: Unknown descriptor, tag = 6
2005-03-31 13:59:24.121 SIParser: Unknown descriptor, tag = 134
2005-03-31 13:59:24.121 SIParser: PID: 2049
2005-03-31 13:59:24.121 SIParser: Unknown descriptor, tag = 129
2005-03-31 13:59:24.122 SIParser: PID: 2050
2005-03-31 13:59:24.122 SIParser: Unknown descriptor, tag = 129
2005-03-31 13:59:24.122 SIParser: Table[1]->EmitRequired() == true
2005-03-31 13:59:24.122 DVB#0 Successfully tuned to channel 802.
I am not sure if this is really working as I am not at home to try it. Was playing with it during my lunch break and wont be able to try till I get home.
My hopes are high that I am on the right track thou.
I think quite a few of us working with the hd3000 are having the same
problem and are looking for solutions. I've posted both here and in
the hd3000 forum but it seems like no one has been able to find a
solution to this problem yet. I haven't posted to myth-dev yet, but
maybe thats the place where we may find someone who knows the answer
to our question, as i think it is a problem with how mythtvsetup is
handling the hd3000-dvb. For example, when i run dvbscan -cvvv no
channel information is given, but i've seen examples with OTA ATSC
streams where channel information is explicitly supplied in the
stream. Mythtv may be looking for this and since it doesn't come
through, myth assumes the channels are 'unable to tune'.
-Adam
for reference:
http://www.xmission.com/~pchdtv/forum/viewtopic.php?t=639
http://www.xmission.com/~pchdtv/forum/viewtopic.php?t=634
http://www.gossamer-threads.com/lists/mythtv/users/121772
http://www.gossamer-threads.com/lists/mythtv/users/120911
http://www.linuxtv.org/wiki/index.php/PcHDTV
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AACK!
You shouldn't have to do this! Please make sure your card is configured correctly.. (see my previous post) Channel scanning should work just fine, and put all of the appropriate entries in your channels lineup. If it doesn't, something else is probably wrong.
-- John Sturgeon <>< http://www.sturgeonfamily.com/mythtv.php
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