Hi
there's one sat-provider from 9e which is sending NIT with wrong parameters
Frequency: 18437984 (= 11.95760 GHz) Kind: 0 (0x00) [= DVB-S] fixed ('00'): 0 (0x00) Modulation_type: 2 (0x02) [= 8PSK] Symbol_rate: 2506752 (= 26.4000) FEC_inner: 2 (0x02) [= 2/3 conv. code rate]
how VDR will manage with that table and with option "add new channels and transponders" ?
/video# dvbsnoop -n 1 16 dvbsnoop V1.4.50 -- http://dvbsnoop.sourceforge.net/
------------------------------------------------------------ SECT-Packet: 00000001 PID: 16 (0x0010), Length: 103 (0x0067) Time received: Sat 2009-04-25 16:16:14.037 ------------------------------------------------------------ 0000: 40 f0 64 00 01 e7 00 00 f0 18 40 0c 50 6c 61 74 @.d.......@.Plat 0010: 66 6f 72 6d 61 20 48 44 40 08 50 48 44 20 53 69 forma HD@.PHD Si 0020: 74 65 f0 3f 18 38 00 01 f0 21 41 12 00 0a 01 00 te.?.8...!A..... 0030: 14 19 00 1e 19 00 28 19 00 32 19 00 3c 19 43 0b ......(..2..<.C. 0040: 01 19 57 60 00 90 a2 02 64 00 02 1d 4c 00 01 f0 ..W`....d...L... 0050: 12 41 03 00 06 01 43 0b 00 00 00 00 00 00 02 00 .A....C......... 0060: 50 00 01 67 df 80 48 P..g..H
PID: 16 (0x0010) [= assigned for: DVB Network Information Table (NIT), Stuffing Table (ST)]
Guess table from table id... 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: 100 (0x0064) Network_ID: 1 (0x0001) [= Astra Satellite Network 19.2E / Satellite / SES] reserved_3: 3 (0x03) Version_number: 19 (0x13) current_next_indicator: 1 (0x01) [= valid now] Section_number: 0 (0x00) Last_Section_number: 0 (0x00) reserved_4: 15 (0x0f) Network_descriptor_length: 24 (0x0018)
DVB-DescriptorTag: 64 (0x40) [= network_name_descriptor] descriptor_length: 12 (0x0c) Network_name: "Platforma HD" -- Charset: Latin alphabet
DVB-DescriptorTag: 64 (0x40) [= network_name_descriptor] descriptor_length: 8 (0x08) Network_name: "PHD Site" -- Charset: Latin alphabet
reserved_5: 15 (0x0f) Transport_stream_loop_length: 63 (0x003f)
Transport_stream_ID: 6200 (0x1838) Original_network_ID: 1 (0x0001) [= Astra Satellite Network 19,2�E | Soci�t� Europ�enne des Satellites] reserved_1: 15 (0x0f) Transport_descriptor_length: 33 (0x0021)
DVB-DescriptorTag: 65 (0x41) [= service_list_descriptor] descriptor_length: 18 (0x12) service_ID: 10 (0x000a)[ --> refers to PMT program_number] service_type: 1 (0x01) [= digital television service]
service_ID: 20 (0x0014)[ --> refers to PMT program_number] service_type: 25 (0x19) [= advanced codec HD digital television service]
service_ID: 30 (0x001e)[ --> refers to PMT program_number] service_type: 25 (0x19) [= advanced codec HD digital television service]
service_ID: 40 (0x0028)[ --> refers to PMT program_number] service_type: 25 (0x19) [= advanced codec HD digital television service]
service_ID: 50 (0x0032)[ --> refers to PMT program_number] service_type: 25 (0x19) [= advanced codec HD digital television service]
service_ID: 60 (0x003c)[ --> refers to PMT program_number] service_type: 25 (0x19) [= advanced codec HD digital television service]
DVB-DescriptorTag: 67 (0x43) [= satellite_delivery_system_descriptor] descriptor_length: 11 (0x0b) Frequency: 18437984 (= 11.95760 GHz) Orbital_position: 144 (= 9.0) West_East_flag: 1 (0x01) [= EAST] Polarisation: 1 (0x01) [= linear - vertical] Kind: 0 (0x00) [= DVB-S] fixed ('00'): 0 (0x00) Modulation_type: 2 (0x02) [= 8PSK] Symbol_rate: 2506752 (= 26.4000) FEC_inner: 2 (0x02) [= 2/3 conv. code rate]
Transport_stream_ID: 7500 (0x1d4c) Original_network_ID: 1 (0x0001) [= Astra Satellite Network 19,2�E | Soci�t� Europ�enne des Satellites] reserved_1: 15 (0x0f) Transport_descriptor_length: 18 (0x0012)
DVB-DescriptorTag: 65 (0x41) [= service_list_descriptor] descriptor_length: 3 (0x03) service_ID: 6 (0x0006)[ --> refers to PMT program_number] service_type: 1 (0x01) [= digital television service]
DVB-DescriptorTag: 67 (0x43) [= satellite_delivery_system_descriptor] descriptor_length: 11 (0x0b) Frequency: 0 (= 0.00000 GHz) Orbital_position: 0 (= 0.0) West_East_flag: 0 (0x00) [= WEST] Polarisation: 0 (0x00) [= linear - horizontal] Kind: 0 (0x00) [= DVB-S] fixed ('00'): 0 (0x00) Modulation_type: 2 (0x02) [= 8PSK] Symbol_rate: 327680 (= 5.0000) FEC_inner: 1 (0x01) [= 1/2 conv. code rate]
CRC: 1742700616 (0x67df8048) ==========================================================
And which parameters are the wrong ones?
these two parameters are wrong
Frequency: 18437984 (= 11.95760 GHz) - should be another freq = 12.380 Kind: 0 (0x00) [= DVB-S] - should be dvb-s2
also, no any information about roll off factor, that's why vdr substituted roll off = auto , cx24116 based cards don't understand roll off = auto.
Goga
fixed ('00'): 0 (0x00) Modulation_type: 2 (0x02) [= 8PSK] Symbol_rate: 2506752 (= 26.4000) FEC_inner: 2 (0x02) [= 2/3 conv. code rate]
On 04/25/09 16:16, Goga777 wrote:
And which parameters are the wrong ones?
these two parameters are wrong
Frequency: 18437984 (= 11.95760 GHz) - should be another freq = 12.380 Kind: 0 (0x00) [= DVB-S] - should be dvb-s2also, no any information about roll off factor, that's why vdr substituted roll off = auto , cx24116 based cards don't understand roll off = auto.
Goga
fixed ('00'): 0 (0x00) Modulation_type: 2 (0x02) [= 8PSK] Symbol_rate: 2506752 (= 26.4000) FEC_inner: 2 (0x02) [= 2/3 conv. code rate]
Well, if VDR is told this is a DVB-S transponder, while in fact it is DVB-S2, I'm afraid there's nothing it can do about that.
Have you tried complaining to the provider?
Klaus
And which parameters are the wrong ones?
these two parameters are wrong
Frequency: 18437984 (= 11.95760 GHz) - should be another freq = 12.380 Kind: 0 (0x00) [= DVB-S] - should be dvb-s2also, no any information about roll off factor, that's why vdr substituted roll off = auto , cx24116 based cards don't understand roll off = auto.
Goga
fixed ('00'): 0 (0x00) Modulation_type: 2 (0x02) [= 8PSK] Symbol_rate: 2506752 (= 26.4000) FEC_inner: 2 (0x02) [= 2/3 conv. code rate]Well, if VDR is told this is a DVB-S transponder, while in fact it is DVB-S2, I'm afraid there's nothing it can do about that.
Have you tried complaining to the provider?
yes, sure.
Answer from provider - "please use our official receivers"
@klaus
could you change VDR behaviour if in the NIT the rolloff is missing - is it possible to substitute roll off = 35 instead of roll off = auto ?
Goga
On Sat, Apr 25, 2009 at 7:32 PM, Goga777 goga777@bk.ru wrote:
And which parameters are the wrong ones?
these two parameters are wrong
Frequency: 18437984 (= 11.95760 GHz) - should be another freq = 12.380 Kind: 0 (0x00) [= DVB-S] - should be dvb-s2
also, no any information about roll off factor, that's why vdr substituted roll off = auto , cx24116 based cards don't understand roll off = auto.
Goga
fixed ('00'): 0 (0x00) Modulation_type: 2 (0x02) [= 8PSK] Symbol_rate: 2506752 (= 26.4000) FEC_inner: 2 (0x02) [= 2/3 conv. code rate]
Well, if VDR is told this is a DVB-S transponder, while in fact it is DVB-S2, I'm afraid there's nothing it can do about that.
Have you tried complaining to the provider?
yes, sure.
Answer from provider - "please use our official receivers"
@klaus
could you change VDR behaviour if in the NIT the rolloff is missing - is it possible to substitute roll off = 35 instead of roll off = auto ?
It would be buggy to use Rolloff=35%, when the actual rolloff information is missing. In fact this is a bug in the driver, that it can't sensibly use the rolloff information.
With regards to DVB-S2, the rolloff information is present in the Stream header (MATYPE) and the driver is supposed to return back the rolloff information from the stream header.
According to EN300 468, a DVB-S2, NBC stream will not contain any rolloff information, but whereas the information is available in the BBHEADER, which the demodulator is able to understand.
In fact this is the job of the device driver and hence the reply from the provider to use their receiver, There are 2 options, fix the bug in the driver, or use a compliant device.
What will you do, if you have a narrow transponder, the same way ?
Regards, Manu
-
Goga777 -
Klaus Schmidinger -
Manu Abraham