reading, parsing and outputting a TS file synchronously ?

[Edward Hervey]

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
> _______________________________________________
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> gstreamer-devel at lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/gstreamer-devel
-- 
Edward Hervey
bilboed at bilboed.com