[linux-dvb] Mencoder, no-go muxes and picture aspect

Nico Sabbi nsabbi at tiscali.it
Thu Apr 28 12:28:44 CEST 2005

Simon Baxter wrote:

> Hi group
> I've been using mplayer's Mencoder to encode streams from my WinTV 
> NovaT card on the fly, with varied results.  I start a tzap to tune 
> the card, then mencode it.

why don't you use directly

$ mencoder dvb:// ...


> ...and nothing further.  No "TS file format detected", no avi created, 
> no nothing!!
> How come?

nothing is coming out of the card.  Maybe the card isn't locking the 

> 2)  Has anyone had any luck changing the aspect with Mencoder?  The 
> avi is too vertically stretched.  I had tried the following
> mencoder /dev/dvb/adapter0/dvr0 -force-avi-aspect 3.0 -ovc lavc 
> -lavcopts vcodec=mpeg4:vpass=1 -oac copy -o 
> /usr/video/Test25-9_2_280405.avi

what does mplayer say when you play it? 3.0 is allowed but a bit 
strange, though

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