[mythtv] DVBCam Class

Ed Wildgoose lists at wildgooses.com
Tue Sep 21 09:07:13 EDT 2004


>>This is especially exciting because I am just adding some extra speakers
>>here to have surround sound.  Being able to record the odd film which
>>has both two channel and AC3 audio would be fantastic.  I'm not sure
>>what level of changes would be required in the player app to auto switch
>>between two channel and AC3 when available, but I suspect that we would
>>need to be recording the raw TS to even have this available (rather than
>>straight to mpeg as now).
>>    
>>
>
>This part causes me a bit of confusion.. From my messing skimming of the hdtvrecorder.cpp
>functions it looks to be converting the stream ot Mpeg Program Stream, but I haven't read enough
>of the ISO Mpeg-2 docs to know for certain is it Stripped TS or PS.. I am not to the point to
>worry about that yet.. I am pretty sure that it will be trivial for the recorder to record
>whatever PIDs it wants to into the ringbuffer..  I think the bigger thing will be how do you make
>the player change audio tracks.. I also wonder if anyone knows how to do that for the PVR350..
>  
>

 From a limited observation following the lists here: I think the hdtv 
works by decoding the TS and repacking into a new ts with constant (and 
new) pid's.  I'm not sure why that is done though...?

Ed W



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