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

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

Ralph Metzler wrote:
> Johannes Stezenbach writes:
>  > Jean-Claude Repetto wrote:
>  > > 
>  > > I have discovered what I think it a bug in the software section filters, 
>  > > unless there is something I have not understood.
>  > ...
>  > > With hardware filters (hw_sections=1), I get all the tables :
>  > ...
>  > > With software filters (hw_sections=0), I get only one table :
>  > 
>  > I can confirm this bug. I looked at the TS packets for PID 211, and
>  > they do not use any stuffing at the end of sections but have
>  > a pointer field != 0 (when the PUSI is set). Maybe that's what
>  > triggers the software section filter bug.
>  > 
>  > dvb_dmx_swfilter_section_packet() should handle this, but maybe
>  > there's something wrong. Does someone want to fix it?
>
>
> If I disable CRC checks (not currently done with hardware filters) 
> I can get those sections with software filters.
> They seem to set the section syntax indicator bit (cf. 
> ISO 13818-1 table 2-29 "private sections") and then just 
> not use the CRC field anyway.
> Words in the text just go right into the CRC field.
> I guess with private sections you should expect anything ...
>
>
> Ralph
I have disabled the CRC check in mhwepg, and now it is working again.
I'll release the new version in a few days.

Thanks,

Jean-Claude




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