[linux-dvb] Re: ffmpeg audio

[<mocm@convergence.de>]

Arpi writes:
 > Hi,
 > 
 > > jonas meyer writes:
 > >  > 
 > >  > grabbing from /dev/dsp doesn't work yet for me.is there a device that i can 
 > >  > grab audio from the dvb card?
 > >  > 
 > > No, you have to physically connect your DVB card to your soundcard and
 > > set the line in (or where ever the DVB card is plugged in) as
 > > recording source. Use an application like aumix or xmix. I also forgot
 > > to do that at first.
 > 
 > I think it's possible to grab mpeg audio from the DVB card while grabbing
 > uncompressed images via v4l interface. I didn't tried yet, but I'll try and
 > add this feature to mencoder. maybe there will be a-v sync problems :(
 > 

You probably can get the audio from /dev/ost/dvr, but sync will be
really hard to do. If you are lucky you will have a constant offset,
which will probably be different for every channel depending on the
bitrate of audio and video and the muxing of the original TS.

Marcus


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