[vdr] Re: 2 questions: bitrate - demux second audio PID

[Michel Jacquot <jacquot@lirmm.fr>]

Hi Thomas,

Thomas Heiligenmann wrote:

> Thomas Heiligenmann wrote:
> >
> > Michel Jacquot wrote:
> > >
> > > Dear all,
> > >
> > > I have 2 questions:
> > >
> > > - how to change the "nominal bit rate" in the recordings? It seems to be
> > > set to 15000000, which is out of bound for DVD recording.
> > >
> > > - How to demux a recording done with 2 audios?
> > > I tried all the softwares in mpegtools without success. It either gives
> > > me the first audio fine, or a mixture of the 2 audio channels.
> > >
> > > I could maybe work out a workaround patch if given the information where
> > > these parameters are set (15000000 and the audio PIDs).
> > >
> >
> > I had a look at the mpegtools. In 'main.cc' you'll find a function call
> > to 'extract_from_pes' with the Audio/Video PDIs hardcoded to 0xC0/0xE0.
> > It works for the other channels if you change them accordingly - maybe a
> > patch idea for an additional command line parameter...
> >
>
> ...and here it comes:
>
>        http://www.heiligenmann.de/download/main.cc.20020101.diff
>
> It adds the channel number for calls to pes2aud/vid(_es) eg. 'pes2aud_es
> 001.vdr 1 | mpeg123 -' should play the second audio channel.
>
> Just a brute force hack. Maybe there a some more qualified solutions?

It works fine, thanks.


Michel