Re: [linux-dvb] RE : How to convert MPEG-TS to MPEG-PS on the fly?

[Nico Sabbi <nicola.sabbi@poste.it>]

Il giorno lun, 25/08/2008 alle 21.55 +0200, Josef Wolf ha scritto:
> On Fri, Aug 22, 2008 at 10:10:09AM +0200, Thierry Lelegard wrote:
> > On Thu, Aug 21, 2008 at 09:17:58PM +0200, Josef Wolf wrote:
> > 
> > >The more I look at this PES stream the more confused I get:  The
> > >stream_id 0xe0 seems to transport PTS and DTS _only_.  Everything
> > >else seems to be contained in PES packets with those unknown
> > >stream_id's.  Here is what I see:
> > 
> > As mentioned in my previous post, the "stream ids" below B9
> > are ISO 13818-2 "start codes".
> 
> Thanks for the explanation, Thierry!
> 
> I now have tried to convert via ffmpeg.  The command I used was
> 
>   ffmpeg -vcodec copy -acodec copy z.ps.mp2 -i z.ts


give the output a .dvd extension

> 
> This creates pack headers which don't seem to fit to the syntax
> defined in table 2-33 of iso-13818-1:
> 
>   00 00 01 ba 21 00 01 00  01 a1 9f 0d 00 00 01 bb
> 
> This looks strange to me.  According to the syntax, the pack
> header should be 14 bytes.  Maybe I used the wrong options and
> created  a mpeg1 stream?
> 



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