[mythtv] Any way to force DVB Audio PIDS in 0.17 ??

[John]

Jesper Sörensen wrote:

> John skrev:
>
>> Jesper Sörensen wrote:
>>
>>> John wrote:
>>>
>>>> I think you are right, if I am driving dvbsnoop properly, then the 
>>>> "missing" audio channel is not present in the PMT, but _is_ in the 
>>>> stream.
>>>> Taquilla5 and Taquilla6 both have spanish/original language 
>>>> channels at 80/81 and 124/135 respectively. Taquilla 5 has the 
>>>> original language channel in the PMT, Taquilla6 does not :-(
>>>
>>>
>>>
>>>
>>>
>>> Yeah, your PMT dump is correct and I can't find that audio stream in 
>>> there. It might be worth a shot to give D+ a call and talk to one of 
>>> their engineers and ask him what's up? It's probably totally 
>>> pointless but maybe it's something they can fix easily?
>>>
>>> We could create some kind of PID override based on the service ID. 
>>> The dvbrecorder is simple and only cares about the PIDs but I guess 
>>> the missing audio stream is encrypted too and we kinda need those CA 
>>> descriptors to be able to init the CAM properly which makes it a bit 
>>> more problematic...
>>>
>>> If you're not afraid to dive into the source you could try adding 
>>> some hard coded overrides in dvbrecorder.cpp and see what happens? 
>>> Also check if that audio stream is encrypted or not (with dvbstream 
>>> perhaps?)
>>>
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>> Thanks for the reply, I will give it a go. Unsure what I need to know 
>> apart form the audio PID though ? The exact same stream is decoded by 
>> Myth 0.16 when it has the PIDs entered by hand, so I assume setting 
>> the pids by hand within "auto-pid" code should work ;-?
>
>
>
> In DVBRecorder::SetDemuxFilters(), try adding something like this:
>
>    if (m_pmt.ServiceID == <serviceid of broken channel>)
>        OpenFilters(<missing PID>, ES_TYPE_UNKNOWN);
>
> If that works we could simply make it read the sid/pid from the db 
> instead, if this is an override that's needed long term...
>
> When was the last time you tried it with Myth 0.16? Maybe the PMT was 
> correct then? I'm a bit surprised that it would work with that broken 
> PMT, but everything is possible... Do you know if this is a new 
> problem or has the PID been missing for long?
>
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Tried the above, but not sure I added it in the right place :-0. I added 
a similar statement for each of the channels that dont work, and 
recompiled. Channels that I added all now stutter, but seem to be 
stuttering on the spanish track. I am pretty sure it is my lack of 
c/linux skills though.

I reran my 0.16 install, and it still works with the nailed up PIDs, and 
a windows install of progDVB also works. (progDVB does not automagically 
pick up the "missing" audio pids, but I can add them in easily, and then 
I get original language.)

thanks again.