[mythtv] Re: [mythtv-commits] Ticket #926: Radio channels for DVB-T

Daniel Kristjansson danielk at cuymedia.net
Thu Jan 5 00:48:19 UTC 2006

On Wed, 2006-01-04 at 19:49 -0500, Buechler, Mark R wrote:
> I followed the instructions in dummydtvrecorder.cpp but unfortunately they
> don't work. However I managed to get the following working:
> # convert /tmp/1280x720.png ppm:- | ppmtoy4m -n15 -F50:1 -A1:1 -I p -r |
> mpeg2enc -V 92 -c -n p -f0 -b1152 -a1 --no-constraints -o /tmp/tmp.es
> # mplex -f0 -b800 -o /tmp/tmp.ps /tmp/tmp.es
> # vlc /tmp/tmp.es --sout
> '#std{access=file,mux=ts{pid-pmt=0x20,pid-video=0x21.tsid=1},url="/tmp/tmp.t
> s"}'
> Which resulted in the attached ts. I tried this with at 854x480 but for some
> reason I couldn't get that to work. Anyone know why?

854 % 16 != 0

There are some constraints on an MPEG2 stream you need adhere to.
They are unfortunately too numerous too list in the dummydtvrecorder
instructions. But the apps used in the instructions do have more
information available in their man pages.

-- Daniel

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