[linux-dvb] Problem with section filters (HW vs SW)

[Jean-Claude Repetto <jean-claude.repetto@libertysurf.fr>]

I am currently working on mhwepg, a small utility to get EPG data from
private streams used by Canal+ (look at http://jrepetto.free.fr for more 
details). This utility was written for the Linux DVB API V2, and now I 
am trying to adapt it to the version 3 of the API.

I have discovered what I think it a bug in the software section filters, 
unless there is something I have not understood.

After tuning with szap on the Astra 19.2E / 12363 V, I have launched 
test_sections on the PID 211 to get the EPG data :
     DVB/apps/test/test_sections 211

With hardware filters (hw_sections=1), I get all the tables :

90 70 d8 00 44 37 aa ff  ff ff 00 4e 49 43 4b 54    .p..D7.....NICKT
4f 4f 4e 53 20 2d 20 4c  45 20 4d 41 52 53 55 50    OONS - LE MARSUP
[....]

90 71 24 00 44 67 3a ff  ff ff 00 53 45 52 49 45    .q$.Dg:....SERIE
20 43 41 4e 41 44 49 45  4e 4e 45 20 41 56 45 43     CANADIENNE AVEC
[....]

c0 b0 24 00 00 c1 00 00  44 45 54 41 49 4c 20 20    ..$.....DETAIL
90 45 44 54 20 20 20 20  20 91 47 4d 54 20 20 20    .EDT     .GMT
20 20 92 9e ea 43 5b                                  ...C[

91 76 31 ff 00 01 04 30  20 09 43 41 4e 41 4c 2b    .v1....0 .CANAL+
20 20 20 20 20 20 20 20  20 20 00 01 04 30 20 0b              ...0 .
43 41 4e 41 4c 2b 20 4a  41 55 4e 45 20 20 20 20    CANAL+ JAUNE
[....]

92 75 b0 00 10 20 26 32  3a 4a 50 5b 5d 5f ff ff    .u... &2:JP[]_..
ff ff ff 46 49 4c 4d 20  20 20 20 20 20 20 20 20    ...FILM
20 20 46 49 4c 4d 2d 50  41 53 53 49 4f 4e 20 20      FILM-PASSION
20 46 49 4c 4d 2d 41 43  54 49 4f 4e 20 20 20 20     FILM-ACTION
[....]


With software filters (hw_sections=0), I get only one table :

c0 b0 24 00 00 c1 00 00  44 45 54 41 49 4c 20 20    ..$.....DETAIL
90 45 44 54 20 20 20 20  20 91 47 4d 54 20 20 20    .EDT     .GMT
20 20 92 9e ea 43 5b                                  ...C[


I am using the 2003-05-10 CVS version of the driver, with a Hauppauge 
DVB-S Rev 1.3, and Gentoo Linux with a 2.4.20 kernel.

I think the output of test_sections should be the same, whether you use 
the hardware filters or the software filters.

Regards,
Jean-Claude





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