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[vdr] Re: other MPEG Decoder cards?
see my comments:
Martin Hoffmann wrote:
> I have a Hollywood+ (same as DXR3), too. And i always thought it has
> somekind of OSD function !? Because for dvd playback, which was the initial
> intention of the card, subtitles must be displayed. I guess it is capable of
> doing somekind of overlay ...
yes, it can display spu-streams, which is (is i understand it) a
to be displayed (i don't know the actual encoding, i think mpeg2).
spu streams have size limitations, have to be muxed in on the fly ...
> However i'm unsure if such a complex osd that vdr has will be possible to
> show !? But there is no other way, unless you decode the mpeg stream, add
> your osd to the pictures and encode it to mpeg again. But this way it eats
> much too much cpu time :-)
see my earlier idea:
if we need a osd, we filter the i-frames out of the mpeg-stream (2 per
decode them, overlay the osd, encode again and display them.
i think this should not be too cpu-intensive AND give almost the same
look&feel as the siemens osd (and should not be too complicated to
> btw: Has the DXR3 output any advantage over the dvbs output ? (except for
> timeshifting with a dxr3 and a dvbs) ? As far as i know it can also only
> show mpeg1/2 - just as the dvbs card !???
it has a ac3-capable digital output and is rather cheap.
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