[linux-dvb] Re: TS -> PS stream - How?

[Felix Domke <tmbinc@elitedvb.net>]

Edward Wildgoose wrote:

> Does anyone have a good reference on how to do this (ie in addition to
> source for ts2ps and dvbstream).
>  
There are (delphi) sources for WinGrab around, a tool (for windows) to 
stream from a dbox2 (but can be used the same way as every other system 
as source). Wingrab does a full demux of TS (if neccessary), and remuxes 
it into a Program Stream.

ds.jar does the same thing, but i  don't know if there's the source 
available.

Honestly, using PS is a pita. In a perfect world, you JUST had to 
extract the PES-packets, and add correct PS-headers to them. But this 
doesn't work since Video-PES packets are allowed to have (nearly) 
infinite size on DVB. In a Program Stream, they are limited to 64k. 
Effectively you have to completely rebuild the PES-packets. Even if the 
packets are smaller than 64k, really strange effects are occuring in 
different players.

I think the best way is to keep all video data as TS. Support for TS is 
coming into all major programs, and it allows adding meta-informations 
in a DVB-compliant way (using the EIT for example). You can - if it 
makes sense - record teletext as well as all audio streams.

felix



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