[vdr] Re: DVB-T and channels.conf

Rainer Zocholl UseNet-Posting-Nospam-74308- at zocki.toppoint.de
Sun Jun 19 13:17:00 CEST 2005


marcel.wiesweg at gmx.de(Marcel Wiesweg)  18.06.05 23:29
>> Example:
>>
>> VOX;RTL
>> World:666000:I0C23D0M16B8T8G8Y0:T:27500:545:546=deu:551:0:16418:8468
>> :8706:0 VOX;RTL World:666000:I0C23D0M16B8T8G8Y0:T:27500:0:0:0:0:1641
>> 8:8468:2818:0
>>
>> Any usefull step to narrow the problem?

>If the pragmatical solution (new channels.conf) does not work, you
>might want to analyze the relevant SI information:
>Install dvbsnoop. For command line options, read their examples list.
>Retrieve the PAT at PID 0x00.
>Retrieve the PMT for VOX at the PID given by the PAT.

How to do that?

>Read the EITs at PID 0x12 and find the one for VOX. Look at the
>service ID it refers to.


msi:~/video# dvbsnoop -crc -sync  -demux /dev/dvb/adapter3/demux0 -dvr /dev/dvb/adapter3/dvr0 -frontend /dev/dvb/adapter3/frontend0 16
dvbsnoop V1.3.35 -- http://dvbsnoop.sourceforge.net/

----------------------------------------------------------
SECT-Packet: 00000001   PID: 16 (0x0010), Length: 67 (0x0043)
Time received: Sun 2005-06-19  13:11:20.046
----------------------------------------------------------
  0000:  40 f0 40 30 0b c7 00 00  f0 0b 40 09 54 2d 53 79   @. at 0......@.T-Sy
  0010:  73 74 65 6d 73 f0 28 0b  02 21 14 f0 22 41 0c 40   stems.(..!.."A.@
  0020:  15 01 40 16 01 40 1b 01  40 22 01 5a 0b 03 bb 33   .. at ..@..@".Z...3
  0030:  40 1f 41 1b ff ff ff ff  62 05 ff 03 f8 3c 40 5f   @.A.....b....<@_
  0040:  7e 37 21                                           ~7!

PID:  16 (0x0010)
NIT-decoding....
Table_ID: 64 (0x40)  [= Network Information Table (NIT) - actual network]
section_syntax_indicator: 1 (0x01)
reserved_1: 1 (0x01)
reserved_2: 3 (0x03)
Section_length: 64 (0x0040)
Network_ID: 12299 (0x300b)  [= --> please lookup at http://www.dvb.org]
reserved_3: 3 (0x03)
Version_number: 3 (0x03)
current_next_indicator: 1 (0x01)  [= valid now]
Section_number: 0 (0x00)
Last_Section_number: 0 (0x00)
reserved_4: 15 (0x0f)
Network_descriptor_length: 11 (0x000b)

        DVB-DescriptorTag: 64 (0x40)  [= network_name_descriptor]
        Descriptor_length: 9 (0x09)
        Network_name: "T-Systems"  -- Charset: Latin alphabet


reserved_5: 15 (0x0f)
Transport_stream_loop_length: 40 (0x0028)

    Transport_stream_ID: 2818 (0x0b02)
    Original_network_ID: 8468 (0x2114)  [= German Digital Terrestrial Television | IRT on behalf of the German DVB-T broadcasts]
    reserved_1: 15 (0x0f)
    Transport_descriptor_length: 34 (0x0022)

            DVB-DescriptorTag: 65 (0x41)  [= service_list_descriptor]
            Descriptor_length: 12 (0x0c)
               Service_ID: 16405 (0x4015)  [=  --> refers to PMT program_number]
               Service_type: 1 (0x01)  [= digital television service]

               Service_ID: 16406 (0x4016)  [=  --> refers to PMT program_number]
               Service_type: 1 (0x01)  [= digital television service]

               Service_ID: 16411 (0x401b)  [=  --> refers to PMT program_number]
               Service_type: 1 (0x01)  [= digital television service]

               Service_ID: 16418 (0x4022)  [=  --> refers to PMT program_number]
               Service_type: 1 (0x01)  [= digital television service]


            DVB-DescriptorTag: 90 (0x5a)  [= terrestrial_delivery_system_descriptor]
            Descriptor_length: 11 (0x0b)
            Center frequency: 0x03bb3340 (= 626000.000 kHz)
            Bandwidth: 0 (0x00)  [= 8 MHz]
            reserved_1: 31 (0x1f)
            Constellation: 1 (0x01)  [= 16-QAM]
            Hierarchy information: 0 (0x00)  [= non-hierarchical]
            Code_rate_HP_stream: 1 (0x01)  [= 2/3]
            Code_rate_LP_stream: 0 (0x00)  [= 1/2]
            Guard_interval: 3 (0x03)  [= 1/4]
            Transmission_mode: 1 (0x01)  [= 8k mode]
            Other_frequency_flag: 1 (0x01)
            reserved_2: 4294967295 (0xffffffff)

            DVB-DescriptorTag: 98 (0x62)  [= frequency_list_descriptor]
            Descriptor_length: 5 (0x05)
            reserved_1: 63 (0x3f)
            coding_type: 3 (0x03)  [= terrestrial]
               Centre_frequency: 03f83c40  (= 666000.000 kHz)

CRC: 1602107169 (0x5f7e3721)
==========================================================

msi:~/video# dvbsnoop -crc -sync  -demux /dev/dvb/adapter3/demux0 -dvr /dev/dvb/adapter3/dvr0 -frontend /dev/dvb/adapter3/frontend0 0
dvbsnoop V1.3.35 -- http://dvbsnoop.sourceforge.net/

----------------------------------------------------------
SECT-Packet: 00000001   PID: 0 (0x0000), Length: 32 (0x0020)
Time received: Sun 2005-06-19  13:14:53.230
----------------------------------------------------------
  0000:  00 b0 1d 0b 02 c5 00 00  00 00 e0 10 40 15 e1 50   ............ at ..P
  0010:  40 16 e1 60 40 1b e1 70  40 22 e2 20 c1 cd d7 05   @..`@..p@". ....

PID:  0 (0x0000)
PAT-decoding....
Table_ID: 0 (0x00)  [= Program Association Table (PAT)]
section_syntax_indicator: 1 (0x01)
(fixed): 0 (0x00)
reserved_1: 3 (0x03)
Section_length: 29 (0x001d)
Transport_Stream_ID: 2818 (0x0b02)
reserved_2: 3 (0x03)
Version_number: 2 (0x02)
current_next_indicator: 1 (0x01)  [= valid now]
Section_number: 0 (0x00)
Last_Section_number: 0 (0x00)

    Program_number: 0 (0x0000)
    reserved: 7 (0x07)
    Network_PID: 16 (0x0010)

    Program_number: 16405 (0x4015)
    reserved: 7 (0x07)
    Program_map_PID: 336 (0x0150)

    Program_number: 16406 (0x4016)
    reserved: 7 (0x07)
    Program_map_PID: 352 (0x0160)

    Program_number: 16411 (0x401b)
    reserved: 7 (0x07)
    Program_map_PID: 368 (0x0170)

    Program_number: 16418 (0x4022)
    reserved: 7 (0x07)
    Program_map_PID: 544 (0x0220)

CRC: 3251492613 (0xc1cdd705)
==========================================================


PID found:    0 (0x0000)  [SECTION: Program Association Table (PAT)]
PID found:   16 (0x0010)  [SECTION: Network Information Table (NIT) - actual network]
PID found:   18 (0x0012)  [SECTION: Event Information Table (EIT) - actual transport stream, schedule]
PID found:   20 (0x0014)  [SECTION: Time Date Table (TDT)] scanning pid   0x0017 to 0x002a  (got 20 dmx filters)

Where is a list of the PIDs? Or what is the number of "PMT"?
Rainer---<=====>                         Vertraulich
             //
           //                              
         <=====>--------------ocholl, Kiel, Germany ------------




More information about the vdr mailing list