[linux-dvb] [PATCH] tda1004x driver has code to support HIERARCHY_AUTO, but does not set FE_CAN_HIERARCHY_AUTO

Patrick Boettcher patrick.boettcher at desy.de
Tue Sep 18 23:35:31 CEST 2007


Hi again,

On Tue, 18 Sep 2007, Wolfgang Wegner wrote:
> > Each stream is a "standalone" MPEG2 transport stream. So if hierarchy is 
> > used, the user has to select the stream he wants.
> 
> Thank you, although this sounds really unlogical to me, because I always
> thought this was targeted at hierarchical coding, and then the high-
> priority data has to be sent twice.

I don't understand your conclusion.

Try this doc 
http://www.dvb.org/(RoxenUserID=cc5cd761bc596bbccaf4820a0a017e74)/technology/fact_sheets/WP01_DVB-T%20Hierarchical.pdf

It describes the constellation and the possibilities.

Patrick.

--
  Mail: patrick.boettcher at desy.de
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