[linux-dvb] Re: dvb-input PATCH for mplayer

[David Mittelstädt <david@flowerz.de>]

Thanks thats great, because i now have a stable picture but i wasnt able 
to figure out how to switch between channels. Great work you did.

David


Nico wrote:

> Hi,
> sorry, my mail was down and I couldn't answer sooner.
>
> You're right, I forgot to include the howto in the patch.
>
> Here it is:
>
> +++ MPlayer-20030505-new/DOCS/en/dvbin-howto.txt	2003-05-05
> 23:18:24.000000000 +0200
> @@ -0,0 +1,81 @@
> +
> +How to watch tv from a dvb card:
> +
> +1) make sure you have a working driver set (I have it working with both
> 0.9.4 and DVB_HEAD in
> +its dvb-kernel incarnation); if you have dvbstream working then mplayer
> should work too.
> +The drivers are available at www.linuxtv.org.
> +
> +
> +2) compile a ~/.mplayer/channels.conf file compliant to the syntax
> defined for you tuner type;
> +valid examples are in szap (new drivers' tuning application) directory.
> +
> +3) run
> +mplayer dvb:// 	(it will load the first channel available in you
> config file)
> +
> +or
> +
> +mplayer dvb://mychannel  (it will try to tune to 'mychannel')
> +
> +Some parameters may be passed via cli prefixed by -dvbin:
> +
> +card=1..4				I count starting from 1, not from
> 0
> +type=SAT|TER|CBL  		if not specified mplayer will try to
> autodetect it
> +file=mychannels.conf	will override you channels file
> +
> +e.g.
> +
> +mplayer dvb://Pro7 -dvbin type=SAT:card=1:file=sat.file
> +
> +You can change channel either with 'h' and 'k' keys (to make it go to the
> next and previous respectively),
> +or running
> +
> +mplayer dvb:// --menu
> +
> +and using the OSD menu, where you will have a list of channels to choose
> from.
> +
> +To use the menu you should
> +a) compile mplayer with --menu
> +b) have a menu such as the one supplied in etc/menu.conf (dvbsel is the
> menu voice)
> +c) have the dvb input module running (otherwise a warning will be
> displayed).
> +
> +
> +
> +A note for SAT users:
> +the diseqc value in your config file has the following meaning:
> +
> +0: not used (so if you have a channel on position 2 and you are actually
> tuned on position 1 you
> +			  won't see the new channel)
> +
> +1..4	position 1..4	(tested only with 1 and 2).
> +
> +
> +
> +Recording:
> +either:
> +
> +mplayer dvb://mychannel -dumpstream -dumpfile mychannel.ts
> (it's MPEG-TS)
> +
> +or
> +
> +mencoder dvb://mychannel -ovc xvid -xvidencopts quant_range=1..4/1..8
> -oac copy -vop denoise3d,pp=lb -o film.avi
> +
> +that will capture and encode your movie.
> +XVID seems to be the best codec for encoding, but be warned:
> +this method seems to break randomly after some minutes or sometimes
> seconds.
> +It's still under investigation, so don't rely too much on it.
>
> NO more, it's working now
>
>
> +I based my code on dvbstream, which is usually considered the reference
> software for dvb-input.
> +I tested my patch only with my WinTV Nova-S, and I never had problems.
> +I had reports of success by DVB-T owners.
> +
> +In any case I'm not responsible for any damage provocated to your
> hardware, so if you don't want to
> +risk don't use this patch.
> +
> +Please report any problem to nsabbi at libero.it
> +
> +
> +Nico
> +
> +
> +
>
> On Thu, 19 Jun 2003, David Mittelstädt wrote:
>
>  
> > Nico wrote:
> >
> >    
> > > Hi,
> > >
> > > this patch for mplayer-cvs adds three things to the existing code (that is
> > > actually broken)
> > >
> > > 1) OSD menu of channels
> > > 2) howto instructions in DOCS/en/dvbin-howto.txt
> > > 3) recording to a recompressed format is now reliable (doesn't break at
> > > the first EOVERFLOW), but continues with eventual glitches in the recorded
> > > stream; as usual the more powerful CPU you have the better.
> > >
> > > As always non-FTA channels are not supported and mpalyer hangs when you
> > > select one of them, so please remove them from you ~/.mplayer/channels.conf.
> > >
> > > As the tuning code is taken from dvbstream, my patch always uses
> > > INVERSION_OFF, so it might suffer from the same problems reported some
> > > days ago by some DVB-T users. I'll update the code as soon as I have some
> > > more information about this issue.
> > >
> > > Feedback  and suggestions are welcome.
> > >
> > > Thanks,
> > > 		Nico
> > >
> > >
> > >      
> > Thanks for this patch, but i cant find the howto and when trying to just
> > read the input of the tuned device or when opening the input with
> > mplayer i get no output. Could you repost the howto, or give me an
> > information on how to solve that?
> >
> > David
> >
> >
> >    
>
>
>  



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