reading, parsing and outputting a TS file synchronously ?

[Peter Maersk-Moller]

Hi Edward and Thiago.

Thanks a million for the info. Looking forward to a new release and forward
to that release trickles down to distros in a couple of years. Until then,
Gitmaster it is.

P

On Wed, Jun 3, 2015 at 11:13 AM, Edward Hervey <bilboed at bilboed.com> wrote:

> Hi,
>
>   git master tsparse can timestamp the output since this commit:
>   a49ce685d1b00fe7eb1fd3982847b58b0f8245a8
>
>   Just tested with tsparse set-timestamps=True, and the output is
> properly timestamped
>
>      Edward
>
> On Tue, 2015-06-02 at 23:24 -0300, Thiago Santos wrote:
> > On 06/02/2015 09:26 PM, Peter Maersk-Moller wrote:
> > > Hi.
> > >
> > > I was expecting that I could read, parse and output a TS file
> > > synchronously using a pipeline like this:
> > >
> > >   gst-launch-1.0  filesrc location=../Downloads/OC3.demo.ts  !
> > > queue  ! tsparse ! fakesink sync=1
> > >
> > > but what I see is that the pipeline reads the file, parse it and
> > > send it to the fakesink as fast as the hardware supports. That is,
> > > it does not decode the timestamps in the PES header and send it out
> > > synchrosnously although the sync flag has been set.
> > >
> > > Obviously fakesink is to be replaced by something else like a
> > > filesink to a pipe or a udpsink or .....
> > >
> > > What is the correct way for GStreamer to playout a TS file
> > > synchronously without having to decode and re-encode it? The module
> > > decodebin can obviously decode it synchronously.
> > The problem is that tsparse doesn't timestamp the buffers so sink
> > elements won't be able to sync. A fix for tsparse is needed to have
> > this working.
> >
> > >
> > > The ts testfile is available from Opencaster a
> > >
> > > http://www.avalpa.com/assets/video/OC3.demo.ts
> > >
> > > Best regards
> > > Peter MM
> > >
> > >
> > > _______________________________________________
> > > gstreamer-devel mailing list
> > > gstreamer-devel at lists.freedesktop.org
> > > http://lists.freedesktop.org/mailman/listinfo/gstreamer-devel
> >
> > --
> > Thiago Sousa Santos
> > Senior Multimedia Engineer, Open Source Group
> > Samsung Research America - Silicon Valley
> > _______________________________________________
> > gstreamer-devel mailing list
> > gstreamer-devel at lists.freedesktop.org
> > http://lists.freedesktop.org/mailman/listinfo/gstreamer-devel
> --
> Edward Hervey
> bilboed at bilboed.com
>
> _______________________________________________
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> gstreamer-devel at lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/gstreamer-devel
>
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