[MPlayer-users] MEncoder: How to encode a CBR MPEG2 Transport Stream?

[Fabio Porcedda]

Many thanks.
Now i check all of your suggestions.
It's very nice to have answer from another Italian.


On Jan 24, 2008 10:04 AM, Nico Sabbi <Nicola.Sabbi at poste.it> wrote:
> Il Thursday 24 January 2008 09:57:48 Fabio Porcedda ha scritto:
>
> > Hi all,
> > i want to encode a Constant Bit Rate Transport Stream, but i
> > successfully encoded only VBR MPEG2 Transport Stream.
> >
> > There is an option for encoding CBR TS instead of VBR TS?
> >
> > CBR TS are VBR with null packets (PID = 0x1FFF).
> >
> > I used the muxrate option but seems don't change anything for me.
> >
> > For transcoding to a MPEG 2 - Transport Stream (DVB-T compliant)  i
> > use: mencoder <input-video> -o <output-video>.ts -ovc lavc -oac
> > lavc -of lavf \ -lavcopts
> > vcodec=mpeg2video:vbitrate=<rate>:acodec=mp2 -vf scale=720:576
> > -ofps 25
> >
> > I need this for DVB-T playout.
> > Sample of CBR MPEG2 Transport Stream is this:
> > http://www.dododge.net/roku/hd-test-streams/mpt-smart-travels-class
> >ical-clip.ts (http://www.dododge.net/roku/ts-samples.html)
> >
> > Thanks in advance and sorry for my bud english.
> > Fabio Porcedda
>
> give up: the TS muxer that mencoder uses is the same in ffmpeg,
> that royally sucks.
> In ffmpeg-soc there's a new TS muxer that is rumoured to be good,
> so if you wish you can begin backporting it to ffmpeg.
>
> There are also 2 other TS muxers that you can use: one is VLC
> (vls --sout '#std{mux=ts,access=file,url=file.ts}' ... or something
> impossible like that) and another one is in tcvp
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